PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 10913616-0 2000 Flavones and flavonols at dietary levels inhibit a transformation of aryl hydrocarbon receptor induced by dioxin. Flavonols 13-22 aryl hydrocarbon receptor Homo sapiens 69-94 11950788-11 2002 In contrast, all tested 5,7-dihydroxyflavones and -flavonols induced CYP1A1 activity (ethoxyresorufin deethylation). Flavonols 51-60 cytochrome P450 family 1 subfamily A member 1 Homo sapiens 69-75 11409965-2 2001 From seven structurally divergent groups of flavonoids, only flavonols with a free hydroxyl group at the C-3 position of the flavonoid skeleton showed high inhibitory activity to beta-carotene oxidation. Flavonols 61-70 complement C3 Homo sapiens 105-108 11105561-2 2000 Besides their antioxidative properties and effects on the arachidonic acid metabolism including cyclooxygenase/lipoxygenase inhibition, some flavones and flavonols were previously found to show inhibitory activity on nitric oxide production by inducible nitric oxide synthase (iNOS; NOS type 2) through suppression of iNOS induction. Flavonols 154-163 nitric oxide synthase 2, inducible Mus musculus 244-275 11105561-2 2000 Besides their antioxidative properties and effects on the arachidonic acid metabolism including cyclooxygenase/lipoxygenase inhibition, some flavones and flavonols were previously found to show inhibitory activity on nitric oxide production by inducible nitric oxide synthase (iNOS; NOS type 2) through suppression of iNOS induction. Flavonols 154-163 nitric oxide synthase 2, inducible Mus musculus 277-281 11105561-2 2000 Besides their antioxidative properties and effects on the arachidonic acid metabolism including cyclooxygenase/lipoxygenase inhibition, some flavones and flavonols were previously found to show inhibitory activity on nitric oxide production by inducible nitric oxide synthase (iNOS; NOS type 2) through suppression of iNOS induction. Flavonols 154-163 nitric oxide synthase 2, inducible Mus musculus 318-322 11792676-2 2002 In this study, we used human liver microsomes and recombinant P450 isoforms to examine the metabolism of two flavonols, galangin and kaempferide, and one flavone, chrysin. Flavonols 109-118 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 62-66 11792676-6 2002 In addition, CYP1A1, although less efficient, was also able to oxidize the two flavonols. Flavonols 79-88 cytochrome P450 family 1 subfamily A member 1 Homo sapiens 13-19 10913616-3 2000 We examined flavonoids ubiquitously expressed in plant foods as one of the best candidates, and found that the subclasses flavones and flavonols suppressed antagonistically the transformation of AhR induced by 1 nM of 2,3,7,8-tetrachlorodibenzo-p-dioxin, without exhibiting agonistic effects that transform AhR. Flavonols 135-144 aryl hydrocarbon receptor Homo sapiens 195-198 10913616-3 2000 We examined flavonoids ubiquitously expressed in plant foods as one of the best candidates, and found that the subclasses flavones and flavonols suppressed antagonistically the transformation of AhR induced by 1 nM of 2,3,7,8-tetrachlorodibenzo-p-dioxin, without exhibiting agonistic effects that transform AhR. Flavonols 135-144 aryl hydrocarbon receptor Homo sapiens 307-310 10976523-0 2000 Flavonols from Heterotheca inuloides: tyrosinase inhibitory activity and structural criteria. Flavonols 0-9 tyrosinase Homo sapiens 38-48 10976523-1 2000 Tyrosinase inhibitory activity of flavonols, galangin, kaempferol and quercetin, was found to come from their ability to chelate copper in the enzyme. Flavonols 34-43 tyrosinase Homo sapiens 0-10 10864017-9 2000 Flavonols, such as quercetin and kaempferol, inhibited the P-ST activity at low concentrations. Flavonols 0-9 sulfotransferase family 1A member 1 Homo sapiens 59-63 11216487-6 2000 As the results, flavones and flavonols at dietary levels act as the antagonists for AhR and suppress the transformation. Flavonols 29-38 aryl hydrocarbon receptor Homo sapiens 84-87 9461039-7 1997 The data show that, of the flavonoids, the flavonols are the most effective inducers of quinone reductase activity in Hepa1c1c7 cells (kaempferol approximately galangin > quercetin > myricetin approximately apigenin (a flavone)) and that flavanols and flavans are ineffective. Flavonols 43-52 crystallin, zeta Mus musculus 88-105 9492341-4 1998 We found that naringenin, a flavanone, and quercetin and kaempferol, flavonols, inhibit estrogen binding to AFP with apparent Kds of about 5 x 10(-7) M. To our surprise, the two isoflavonoids, daidzein and genistein, have Kds of about 5 x 10(-6) M for AFP. Flavonols 69-78 alpha-fetoprotein Rattus norvegicus 108-111 10359656-0 1999 Dietary flavonols quercetin and kaempferol are ligands of the aryl hydrocarbon receptor that affect CYP1A1 transcription differentially. Flavonols 8-17 aryl hydrocarbon receptor Homo sapiens 62-87 10359656-0 1999 Dietary flavonols quercetin and kaempferol are ligands of the aryl hydrocarbon receptor that affect CYP1A1 transcription differentially. Flavonols 8-17 cytochrome P450 family 1 subfamily A member 1 Homo sapiens 100-106 10359656-13 1999 These results demonstrate that the dietary flavonols quercetin and kaempferol are natural, dietary ligands of the AhR that exert different effects on CYP1A1 transcription. Flavonols 43-52 aryl hydrocarbon receptor Homo sapiens 114-117 10359656-13 1999 These results demonstrate that the dietary flavonols quercetin and kaempferol are natural, dietary ligands of the AhR that exert different effects on CYP1A1 transcription. Flavonols 43-52 cytochrome P450 family 1 subfamily A member 1 Homo sapiens 150-156 9025306-5 1997 Fls gene expression was detected in pistils, anthers, petals and ovaries, the organs in which flavonols are accumulating. Flavonols 94-103 flavonol synthase/flavanone 3-hydroxylase Solanum tuberosum 0-3 7673925-3 1995 Flavones and flavonols exhibited a strong inhibitory effect on trypsin; the presence of hydroxyl groups at positions C-5 and C-7 in ring A is necessary for inhibition of the enzyme, while the simultaneous presence of free hydroxyl groups at positions C-3" and C-4" enhances the inhibitory activity. Flavonols 13-22 complement C5 Homo sapiens 117-120 8720382-1 1996 Flavonols like quercetin, myricetin, and kaempferol inhibit the activity of the adenosine deaminase of endothelial cells (IC50 between 26 and 32 mumol/l), while flavones are inactive. Flavonols 0-9 adenosine deaminase Homo sapiens 80-99 7673925-3 1995 Flavones and flavonols exhibited a strong inhibitory effect on trypsin; the presence of hydroxyl groups at positions C-5 and C-7 in ring A is necessary for inhibition of the enzyme, while the simultaneous presence of free hydroxyl groups at positions C-3" and C-4" enhances the inhibitory activity. Flavonols 13-22 complement C7 Homo sapiens 125-128 7673925-3 1995 Flavones and flavonols exhibited a strong inhibitory effect on trypsin; the presence of hydroxyl groups at positions C-5 and C-7 in ring A is necessary for inhibition of the enzyme, while the simultaneous presence of free hydroxyl groups at positions C-3" and C-4" enhances the inhibitory activity. Flavonols 13-22 complement C3 Homo sapiens 251-254 7673925-3 1995 Flavones and flavonols exhibited a strong inhibitory effect on trypsin; the presence of hydroxyl groups at positions C-5 and C-7 in ring A is necessary for inhibition of the enzyme, while the simultaneous presence of free hydroxyl groups at positions C-3" and C-4" enhances the inhibitory activity. Flavonols 13-22 complement C4A (Rodgers blood group) Homo sapiens 260-263 7550105-6 1995 It is suggested that the inhibitory effect of Buddlejae Flos on aldose reductase is partially attributable to these flavonols or their glycosides. Flavonols 116-125 aldo-keto reductase family 1 member B1 Rattus norvegicus 64-80 7773305-1 1995 Flavanone 3-hydroxylase (F3H) activity is necessary for the production of both flavonols and anthocyanins. Flavonols 79-88 Flavanone 3-dioxygenase 1 Zea mays 0-23 7773305-1 1995 Flavanone 3-hydroxylase (F3H) activity is necessary for the production of both flavonols and anthocyanins. Flavonols 79-88 Flavanone 3-dioxygenase 1 Zea mays 25-28 7773305-7 1995 Slot blot analysis showed that F3H transcript levels in young seedlings are increased by high fluence-rate white light treatment in the presence of the anthocyanin regulatory gene -r. HPLC analysis of extracts from developmentally staged anthers showed that flavonol accumulation begins at the uninucleate microspore stage, continues until maturity, and is not controlled by -r. When the expression pattern of several flavonoid biosynthetic genes was analyzed during microsporogenesis, only F3H transcript accumulation was coordinate with the appearance of flavonols in anthers. Flavonols 557-566 Flavanone 3-dioxygenase 1 Zea mays 31-34 7475916-0 1995 Effects of flavonols on P-glycoprotein activity in cultured rat hepatocytes. Flavonols 11-20 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 24-38 7475916-1 1995 The effects of flavonols on P-glycoprotein (Pgp) activity were studied in cultured rat hepatocytes by assessing and transmembrane transport of Rhodamine-123 (R-123) and doxorubicin (DOX). Flavonols 15-24 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 28-42 7475916-1 1995 The effects of flavonols on P-glycoprotein (Pgp) activity were studied in cultured rat hepatocytes by assessing and transmembrane transport of Rhodamine-123 (R-123) and doxorubicin (DOX). Flavonols 15-24 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 44-47 7475916-2 1995 In freshly-plated hepatocytes, containing a low amount of Pgp, flavonols did not affect the cellular retention of DOX, but strongly inhibited the Pgp-mediated efflux of R-123. Flavonols 63-72 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 58-61 7475916-2 1995 In freshly-plated hepatocytes, containing a low amount of Pgp, flavonols did not affect the cellular retention of DOX, but strongly inhibited the Pgp-mediated efflux of R-123. Flavonols 63-72 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 146-149 7475916-3 1995 In 72h-cultured hepatocytes, spontaneously overexpressing functional Pgp, flavonols inhibited R-123 efflux in a dose-dependent manner, but significantly reduced DOX retention while increasing its efflux. Flavonols 74-83 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 69-72 7475916-5 1995 These findings indicate that flavonols, dietary compounds reported to strongly upregulate the apparent activity of Pgp in cancer cell lines, may also modulate differently the transport of putative Pgp substrates in normal rat hepatocytes. Flavonols 29-38 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 115-118 7475916-5 1995 These findings indicate that flavonols, dietary compounds reported to strongly upregulate the apparent activity of Pgp in cancer cell lines, may also modulate differently the transport of putative Pgp substrates in normal rat hepatocytes. Flavonols 29-38 ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus 197-200 7857510-4 1994 The MAO inhibiting fraction contained hypericins as well as flavonols, the COMT-inhibition fraction being mainly flavonols and xanthones. Flavonols 113-122 catechol-O-methyltransferase Homo sapiens 75-79 7903198-4 1993 In our attempt to find naturally occurring dietary compounds which may stimulate the P-gp-mediated efflux of carcinogens, we found that certain flavonols, kaempferol, quercetin, and galangin, are potent stimulators of the P-gp-mediated efflux of 7,12-dimethylbenz(a)-anthracene. Flavonols 144-153 ATP binding cassette subfamily B member 1 Homo sapiens 85-89 7903198-4 1993 In our attempt to find naturally occurring dietary compounds which may stimulate the P-gp-mediated efflux of carcinogens, we found that certain flavonols, kaempferol, quercetin, and galangin, are potent stimulators of the P-gp-mediated efflux of 7,12-dimethylbenz(a)-anthracene. Flavonols 144-153 ATP binding cassette subfamily B member 1 Homo sapiens 222-226 11607312-0 1992 Biochemical complementation of chalcone synthase mutants defines a role for flavonols in functional pollen. Flavonols 76-85 chalcone synthase Zea mays 31-48 7480205-3 1995 It can be supposed that the main effect of the tested flavonols is based on their inhibition of myeloperoxidase, besides inhibition of enzymes involved in activating the NADPH-oxidase, and a direct reaction with oxygen radicals. Flavonols 54-63 myeloperoxidase Homo sapiens 96-111 33588278-2 2021 Whithin this field sixteen novel Co(III) ternary complexes with the general formula [Co(4N)(flav)](ClO4)2, where 4N = tris(2-aminoethyl)amine (tren) or tris(2-pyridylmethyl)amine (tpa) and flav = deprotonated form of differently substituted flavonols have been synthesized, characterized, and their cytotoxicity assayed under both normoxic and hypoxic conditions. Flavonols 241-250 mitochondrially encoded cytochrome c oxidase III Homo sapiens 33-40 34803449-0 2021 Determination of the interaction between the receptor binding domain of 2019-nCoV spike protein, TMPRSS2, cathepsin B and cathepsin L, and glycosidic and aglycon forms of some flavonols. Flavonols 176-185 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 82-87 34659296-5 2021 According to the significant changes in gene expression encoding auxin transport carriers and their correlation with flavonols during stage 5, the flavonols were speculated to have a direct inhibitory effect on the expression of PIN4 encoding gene, which may inhibit the process of polar auxin transport. Flavonols 117-126 peptidylprolyl cis/trans isomerase, NIMA-interacting 4 Homo sapiens 229-233 34659296-5 2021 According to the significant changes in gene expression encoding auxin transport carriers and their correlation with flavonols during stage 5, the flavonols were speculated to have a direct inhibitory effect on the expression of PIN4 encoding gene, which may inhibit the process of polar auxin transport. Flavonols 147-156 peptidylprolyl cis/trans isomerase, NIMA-interacting 4 Homo sapiens 229-233 34638702-12 2021 Inhibition of the PI3-K/Akt pathway abolished the neuroprotective effect of the investigated flavonols. Flavonols 93-102 AKT serine/threonine kinase 1 Homo sapiens 24-27 33770716-9 2021 Our results shown that the ectopic PAP1 expression led to significant accumulation of cyanidin-type anthocyanins, quercetin-type flavonols and hydroxycinnamic acids and their glycosylated derivatives. Flavonols 129-138 phosphatidic acid phosphatase 1 Arabidopsis thaliana 35-39 34946578-4 2021 The flavonols could decrease the production of prostaglandin E2 and three pro-inflammatory cytokines interleukin-1beta (IL-1beta), IL-6, and tumor necrosis factor-alpha, and simultaneously promote the production of two anti-inflammatory cytokines IL-10 and transforming growth factor-beta. Flavonols 4-13 interleukin 1 beta Rattus norvegicus 101-118 34946578-4 2021 The flavonols could decrease the production of prostaglandin E2 and three pro-inflammatory cytokines interleukin-1beta (IL-1beta), IL-6, and tumor necrosis factor-alpha, and simultaneously promote the production of two anti-inflammatory cytokines IL-10 and transforming growth factor-beta. Flavonols 4-13 interleukin 1 alpha Rattus norvegicus 120-128 34946578-4 2021 The flavonols could decrease the production of prostaglandin E2 and three pro-inflammatory cytokines interleukin-1beta (IL-1beta), IL-6, and tumor necrosis factor-alpha, and simultaneously promote the production of two anti-inflammatory cytokines IL-10 and transforming growth factor-beta. Flavonols 4-13 interleukin 6 Rattus norvegicus 131-135 34946578-4 2021 The flavonols could decrease the production of prostaglandin E2 and three pro-inflammatory cytokines interleukin-1beta (IL-1beta), IL-6, and tumor necrosis factor-alpha, and simultaneously promote the production of two anti-inflammatory cytokines IL-10 and transforming growth factor-beta. Flavonols 4-13 tumor necrosis factor Rattus norvegicus 141-168 34946578-4 2021 The flavonols could decrease the production of prostaglandin E2 and three pro-inflammatory cytokines interleukin-1beta (IL-1beta), IL-6, and tumor necrosis factor-alpha, and simultaneously promote the production of two anti-inflammatory cytokines IL-10 and transforming growth factor-beta. Flavonols 4-13 interleukin 10 Rattus norvegicus 247-252 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 43-52 toll-like receptor 4 Rattus norvegicus 98-102 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 43-52 NFKB inhibitor alpha Rattus norvegicus 122-134 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 43-52 synaptotagmin 1 Rattus norvegicus 139-142 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 43-52 toll-like receptor 4 Rattus norvegicus 232-236 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 206-215 toll-like receptor 4 Rattus norvegicus 98-102 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 206-215 NFKB inhibitor alpha Rattus norvegicus 122-134 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 206-215 synaptotagmin 1 Rattus norvegicus 139-142 34946578-5 2021 The Western-blot results verified that the flavonols could suppress the LPS-induced expression of TLR4 and phosphorylated IkappaBalpha and p65, while the molecular docking results also illustrated that the flavonols could bind with TLR4 and NF-kappaB to yield energy decreases of -(21.9-28.6) kJ/mol. Flavonols 206-215 toll-like receptor 4 Rattus norvegicus 232-236 34946578-6 2021 Furthermore, an inhibitor BAY 11-7082 blocked the NF-kappaB signaling pathway by inhibiting the expression of phosphorylated IkappaBalpha/p65 and thus mediated the production of IL-6/IL-10 as the flavonols did, which confirmed the assessed anti-inflammatory effect of the flavonols. Flavonols 196-205 interleukin 6 Rattus norvegicus 178-182 34946578-6 2021 Furthermore, an inhibitor BAY 11-7082 blocked the NF-kappaB signaling pathway by inhibiting the expression of phosphorylated IkappaBalpha/p65 and thus mediated the production of IL-6/IL-10 as the flavonols did, which confirmed the assessed anti-inflammatory effect of the flavonols. Flavonols 196-205 interleukin 10 Rattus norvegicus 183-188 34946578-6 2021 Furthermore, an inhibitor BAY 11-7082 blocked the NF-kappaB signaling pathway by inhibiting the expression of phosphorylated IkappaBalpha/p65 and thus mediated the production of IL-6/IL-10 as the flavonols did, which confirmed the assessed anti-inflammatory effect of the flavonols. Flavonols 272-281 NFKB inhibitor alpha Rattus norvegicus 125-137 34946578-6 2021 Furthermore, an inhibitor BAY 11-7082 blocked the NF-kappaB signaling pathway by inhibiting the expression of phosphorylated IkappaBalpha/p65 and thus mediated the production of IL-6/IL-10 as the flavonols did, which confirmed the assessed anti-inflammatory effect of the flavonols. Flavonols 272-281 synaptotagmin 1 Rattus norvegicus 138-141 34946578-6 2021 Furthermore, an inhibitor BAY 11-7082 blocked the NF-kappaB signaling pathway by inhibiting the expression of phosphorylated IkappaBalpha/p65 and thus mediated the production of IL-6/IL-10 as the flavonols did, which confirmed the assessed anti-inflammatory effect of the flavonols. Flavonols 272-281 interleukin 6 Rattus norvegicus 178-182 34946578-6 2021 Furthermore, an inhibitor BAY 11-7082 blocked the NF-kappaB signaling pathway by inhibiting the expression of phosphorylated IkappaBalpha/p65 and thus mediated the production of IL-6/IL-10 as the flavonols did, which confirmed the assessed anti-inflammatory effect of the flavonols. Flavonols 272-281 interleukin 10 Rattus norvegicus 183-188 34946578-8 2021 It is highlighted that the flavonols could antagonize the LPS-caused IEC-6 cells inflammation via suppressing TLR4/NF-kappaB activation, but heat treatment of the flavonols led to reduced anti-inflammatory efficacy. Flavonols 27-36 toll-like receptor 4 Rattus norvegicus 110-114 34679762-0 2021 Anti-Oxidative, Anti-Inflammatory and Anti-Apoptotic Effects of Flavonols: Targeting Nrf2, NF-kappaB and p53 Pathways in Neurodegeneration. Flavonols 64-73 NFE2 like bZIP transcription factor 2 Homo sapiens 85-89 34679762-0 2021 Anti-Oxidative, Anti-Inflammatory and Anti-Apoptotic Effects of Flavonols: Targeting Nrf2, NF-kappaB and p53 Pathways in Neurodegeneration. Flavonols 64-73 nuclear factor kappa B subunit 1 Homo sapiens 91-100 34679762-0 2021 Anti-Oxidative, Anti-Inflammatory and Anti-Apoptotic Effects of Flavonols: Targeting Nrf2, NF-kappaB and p53 Pathways in Neurodegeneration. Flavonols 64-73 tumor protein p53 Homo sapiens 105-108 34679762-7 2021 Herein, we review the current understanding of the therapeutic potential and limitations of flavonols in neuroprotection, with emphasis on their anti-oxidative, anti-inflammatory and anti-apoptotic effects along the Nrf2, NF-kappaB and p53 pathways. Flavonols 92-101 NFE2 like bZIP transcription factor 2 Homo sapiens 216-220 34679762-7 2021 Herein, we review the current understanding of the therapeutic potential and limitations of flavonols in neuroprotection, with emphasis on their anti-oxidative, anti-inflammatory and anti-apoptotic effects along the Nrf2, NF-kappaB and p53 pathways. Flavonols 92-101 nuclear factor kappa B subunit 1 Homo sapiens 222-231 34679762-7 2021 Herein, we review the current understanding of the therapeutic potential and limitations of flavonols in neuroprotection, with emphasis on their anti-oxidative, anti-inflammatory and anti-apoptotic effects along the Nrf2, NF-kappaB and p53 pathways. Flavonols 92-101 tumor protein p53 Homo sapiens 236-239 34803449-2 2021 In this research, the interactions between specific flavonols and the 2019-nCoV receptor binding domain (RBD), transmembrane protease, serine 2 (TMPRSS2), and cathepsins (CatB and CatL) were analyzed. Flavonols 52-61 cathepsin B Homo sapiens 171-175 34803449-2 2021 In this research, the interactions between specific flavonols and the 2019-nCoV receptor binding domain (RBD), transmembrane protease, serine 2 (TMPRSS2), and cathepsins (CatB and CatL) were analyzed. Flavonols 52-61 cathepsin L Homo sapiens 180-184 34151085-4 2021 Meanwhile, pretreatment of the cells with these flavonols for 24 and 48 h before the indomethacin exposure could alleviate cytotoxicity and especially barrier loss, resulting in increased cell viability and transepithelial resistance, decreased LDH release, ROS production, and paracellular permeability, together with the promoted expression of three tight junction proteins zonula occluden-1, occludin, and claudin-1. Flavonols 48-57 occludin Rattus norvegicus 395-403 34177989-8 2021 Our study demonstrated that LaPT2 from white lupin is responsible for the biosynthesis of prenylated flavonoids, in particular flavonols, which could be utilized as phytoalexin for plant defense and bioactive flavonoid compounds for human health. Flavonols 127-136 5'-nucleotidase, cytosolic IIIA Homo sapiens 45-50 34151085-5 2021 Moreover, the intracellular Ca2+ concentration and expression levels of p-JNK and p-Src arisen from the indomethacin damage were also reduced by the flavonols, suggesting an inhibited calcium-mediated JNK/Src activation. Flavonols 149-158 mitogen-activated protein kinase 8 Rattus norvegicus 74-77 34151085-5 2021 Moreover, the intracellular Ca2+ concentration and expression levels of p-JNK and p-Src arisen from the indomethacin damage were also reduced by the flavonols, suggesting an inhibited calcium-mediated JNK/Src activation. Flavonols 149-158 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 84-87 34151085-5 2021 Moreover, the intracellular Ca2+ concentration and expression levels of p-JNK and p-Src arisen from the indomethacin damage were also reduced by the flavonols, suggesting an inhibited calcium-mediated JNK/Src activation. Flavonols 149-158 mitogen-activated protein kinase 8 Rattus norvegicus 201-204 34151085-5 2021 Moreover, the intracellular Ca2+ concentration and expression levels of p-JNK and p-Src arisen from the indomethacin damage were also reduced by the flavonols, suggesting an inhibited calcium-mediated JNK/Src activation. Flavonols 149-158 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 205-208 34065200-6 2021 This effect was attributed to flavonols, which might also account for the ability of RNLE to impair TNF-alpha/IL-4-induced TSLP release in a cAMP-independent manner. Flavonols 30-39 tumor necrosis factor Homo sapiens 100-109 34065200-6 2021 This effect was attributed to flavonols, which might also account for the ability of RNLE to impair TNF-alpha/IL-4-induced TSLP release in a cAMP-independent manner. Flavonols 30-39 interleukin 4 Homo sapiens 110-114 34065200-6 2021 This effect was attributed to flavonols, which might also account for the ability of RNLE to impair TNF-alpha/IL-4-induced TSLP release in a cAMP-independent manner. Flavonols 30-39 thymic stromal lymphopoietin Homo sapiens 123-127 34151085-4 2021 Meanwhile, pretreatment of the cells with these flavonols for 24 and 48 h before the indomethacin exposure could alleviate cytotoxicity and especially barrier loss, resulting in increased cell viability and transepithelial resistance, decreased LDH release, ROS production, and paracellular permeability, together with the promoted expression of three tight junction proteins zonula occluden-1, occludin, and claudin-1. Flavonols 48-57 claudin 1 Rattus norvegicus 409-418 35636503-0 2022 Substrate-selective positive allosteric modulation of PTPRD"s phosphatase by flavonols. Flavonols 77-86 protein tyrosine phosphatase receptor type D Homo sapiens 54-59 35636503-5 2022 We also report discovery that quercetin and other flavonols, though not closely-related flavones, enhance rates of PTPRD"s dephosphorylation of a group of these candidate substrate PTPPs but not others. Flavonols 50-59 protein tyrosine phosphatase receptor type D Homo sapiens 115-120 35063619-2 2022 However, whether myricetin and other homologous dietary flavonols affect the activities of UDP-glucuronosyltransferases (UGT) enzymes and facilitated food-drug interactions remains unclear. Flavonols 56-65 beta-1,3-glucuronyltransferase 2 Homo sapiens 91-119 35630816-3 2022 Flavanone 3-hydroxylase (F3H) catalyzes the conversion of naringenin into dihydroflavonols and is responsible for the biosynthesis of flavonols and anthocyanidins. Flavonols 134-143 flavanone 3-hydroxylase Nicotiana tabacum 0-23 35630816-3 2022 Flavanone 3-hydroxylase (F3H) catalyzes the conversion of naringenin into dihydroflavonols and is responsible for the biosynthesis of flavonols and anthocyanidins. Flavonols 134-143 flavanone 3-hydroxylase Nicotiana tabacum 25-28 35063619-2 2022 However, whether myricetin and other homologous dietary flavonols affect the activities of UDP-glucuronosyltransferases (UGT) enzymes and facilitated food-drug interactions remains unclear. Flavonols 56-65 beta-1,3-glucuronyltransferase 2 Homo sapiens 121-124 35039839-7 2022 In Arabidopsis, over-expression of miR172 reduced flavonoid (including anthocyanins and flavonols) concentration and RNA transcript abundance of flavonoid genes in plantlets cultured on medium containing 7% sucrose. Flavonols 88-97 MIR172a Arabidopsis thaliana 35-41 35164310-5 2022 HPLC and MS/MS analyses of the enzymatic products showed that the VvANS-catalyzed oxidative transformation of (+)-dihydroflavonols, such as dihydroquercetin, dihydrokaempferol and dihydromyricetin, leads only to the corresponding flavonols. Flavonols 230-239 leucoanthocyanidin dioxygenase Vitis vinifera 66-71 3729991-8 1986 Evidence is presented that the mitochondrial respiratory bursts induced by both flavonols and their auto-oxidation resulted in the generation of O-2 and H2O2. Flavonols 80-89 immunoglobulin kappa variable 1D-39 Homo sapiens 145-148 3497895-6 1987 These peroxyl radicals cannot be observed directly, but their reactions with the two flavonols, kaempferol and quercetin, acting as radical-scavenging antioxidants, produced strongly absorbing aroxyl radicals (ArO.). Flavonols 85-94 cytochrome P450 family 19 subfamily A member 1 Homo sapiens 210-213 33831169-0 2021 Involvement of the R2R3-MYB transcription factors MYB21 and its homologs in regulating the stamen flavonols accumulation in Arabidopsis. Flavonols 98-107 myb domain protein 21 Arabidopsis thaliana 50-55 33831169-2 2021 Commonly found flavonols are synthesized from dihydroflavonols by flavonol synthase (FLS). Flavonols 15-24 flavonol synthase 1 Arabidopsis thaliana 66-83 33831169-2 2021 Commonly found flavonols are synthesized from dihydroflavonols by flavonol synthase (FLS). Flavonols 15-24 flavonol synthase 1 Arabidopsis thaliana 85-88 34009430-9 2021 CONCLUSIONS: Higher intakes of dietary flavonoids, specifically flavonols and flavan-3-ols, could be associated with better long-term treatment outcomes in nAMD patients receiving anti-VEGF therapy. Flavonols 64-73 vascular endothelial growth factor A Homo sapiens 185-189 34056184-5 2021 Molecular interactions between flavonols (kaempferol, quercetin, and myricetin) with human/murine CCL2 orthologs and their monomeric/dimeric variants were systematically investigated using a combination of biophysical approaches. Flavonols 31-40 chemokine (C-C motif) ligand 2 Mus musculus 98-102 33948972-8 2021 Plant responses to the pre-treatment were notably different: (1) H2 O2 increased the activity of catalase (CAT, EC 1.11.1.6), phenylalanine ammonia lyase (PAL; EC 4.3.1.5) and peroxidase activities (POD, EC 1.11.1.7), and (2) the combined treatment induced epidermal flavonols which were key to drought tolerance. Flavonols 267-276 catalase isozyme 1 Nicotiana tabacum 97-105 33923487-8 2021 Flavones, flavonols, flavanones, and isoflavones are the main subclasses of flavonoids reported as AhR modulators. Flavonols 10-19 aryl hydrocarbon receptor Homo sapiens 99-102 32916406-3 2021 In the present study, we identified 44 flavonols and chlorogenic acid in 30 samples of Highbush and Rabbiteye blueberry, using HPLC-DAD-ESI-MSn. Flavonols 39-48 moesin Homo sapiens 140-143 34056184-6 2021 Fluorescence studies have unveiled that flavonols interact with CCL2 orthologs specifically but with differential affinities. Flavonols 40-49 chemokine (C-C motif) ligand 2 Mus musculus 64-68 34056184-8 2021 The NMR- and computational docking-based outcomes have strongly suggested that the flavonols interact with CCL2, comprising the N-terminal and beta1- and beta3-sheets. Flavonols 83-92 chemokine (C-C motif) ligand 2 Mus musculus 107-111 34056184-8 2021 The NMR- and computational docking-based outcomes have strongly suggested that the flavonols interact with CCL2, comprising the N-terminal and beta1- and beta3-sheets. Flavonols 83-92 BCL2 related protein A1 Homo sapiens 143-159 34056184-10 2021 Further, the binding surface of these flavonols to CCL2 orthologs was observed to be extensively overlapped with that of the receptor/GAG-binding surface, thus suggesting attenuation of CCL2-CCR2/GAG interactions in their presence. Flavonols 38-47 chemokine (C-C motif) ligand 2 Mus musculus 51-55 34056184-10 2021 Further, the binding surface of these flavonols to CCL2 orthologs was observed to be extensively overlapped with that of the receptor/GAG-binding surface, thus suggesting attenuation of CCL2-CCR2/GAG interactions in their presence. Flavonols 38-47 chemokine (C-C motif) ligand 2 Mus musculus 186-190 34056184-10 2021 Further, the binding surface of these flavonols to CCL2 orthologs was observed to be extensively overlapped with that of the receptor/GAG-binding surface, thus suggesting attenuation of CCL2-CCR2/GAG interactions in their presence. Flavonols 38-47 C-C motif chemokine receptor 2 Homo sapiens 191-195 34056184-11 2021 Considering the pivotal role of CCL2 during monocyte/macrophage trafficking and the immunomodulatory features of these flavonols, their direct interactions highlight the promising role of flavonols as nutraceuticals. Flavonols 188-197 chemokine (C-C motif) ligand 2 Mus musculus 32-36 33276066-3 2021 Cell pretreatment with 5 mumol/L flavonols also resisted cell barrier dysfunction by increasing transepithelial resistance, reducing paracellular permeability, and promoting mRNA and protein expression of three tight junction proteins zonula occluden-1, occludin, and claudin-1. Flavonols 33-42 occludin Rattus norvegicus 254-262 33568298-2 2021 WRKY11 promotes the biosynthesis of flavonoids in apple, but the molecular mechanism of WRKY11 regulating flavonols biosynthesis, and whether WRKY11 plays the same roles in other plants species remains to be further studied. Flavonols 106-115 probable WRKY transcription factor 7 Malus domestica 88-94 33568298-2 2021 WRKY11 promotes the biosynthesis of flavonoids in apple, but the molecular mechanism of WRKY11 regulating flavonols biosynthesis, and whether WRKY11 plays the same roles in other plants species remains to be further studied. Flavonols 106-115 probable WRKY transcription factor 7 Malus domestica 88-94 33986761-4 2021 Ectopic expression of AtCXE20 in Arabidopsis and maize resulted in phenotypes characteristic of strigolactone (SL)-deficient mutants, including increased branching and tillering, decreased plant height, delayed senescence, hyposensitivity to ethylene, and reduced flavonols. Flavonols 264-273 carboxyesterase 20 Arabidopsis thaliana 22-29 33249077-0 2021 Flavonols as potential antiviral drugs targeting SARS-CoV-2 proteases (3CLpro and PLpro), spike protein, RNA-dependent RNA polymerase (RdRp) and angiotensin-converting enzyme II receptor (ACE2). Flavonols 0-9 ORF1a polyprotein;ORF1ab polyprotein Severe acute respiratory syndrome coronavirus 2 82-87 33249077-0 2021 Flavonols as potential antiviral drugs targeting SARS-CoV-2 proteases (3CLpro and PLpro), spike protein, RNA-dependent RNA polymerase (RdRp) and angiotensin-converting enzyme II receptor (ACE2). Flavonols 0-9 ORF1a polyprotein;ORF1ab polyprotein Severe acute respiratory syndrome coronavirus 2 135-139 33249077-0 2021 Flavonols as potential antiviral drugs targeting SARS-CoV-2 proteases (3CLpro and PLpro), spike protein, RNA-dependent RNA polymerase (RdRp) and angiotensin-converting enzyme II receptor (ACE2). Flavonols 0-9 angiotensin converting enzyme 2 Homo sapiens 188-192 33249077-5 2021 In this context, the present study reviews the efficacy of many dietary flavonols as potential antiviral drugs targeting the SARS-CoV-2 enzymes and proteins including Chymotrypsin-Like Protease (3CLpro), Papain Like protease (PLpro), Spike protein (S protein) and RNA-dependent RNA polymerase (RdRp), and also their ability to interact with the angiotensin-converting enzyme II (ACE2) receptor. Flavonols 72-81 ORF1a polyprotein;ORF1ab polyprotein Severe acute respiratory syndrome coronavirus 2 226-231 33249077-5 2021 In this context, the present study reviews the efficacy of many dietary flavonols as potential antiviral drugs targeting the SARS-CoV-2 enzymes and proteins including Chymotrypsin-Like Protease (3CLpro), Papain Like protease (PLpro), Spike protein (S protein) and RNA-dependent RNA polymerase (RdRp), and also their ability to interact with the angiotensin-converting enzyme II (ACE2) receptor. Flavonols 72-81 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 234-239 33249077-5 2021 In this context, the present study reviews the efficacy of many dietary flavonols as potential antiviral drugs targeting the SARS-CoV-2 enzymes and proteins including Chymotrypsin-Like Protease (3CLpro), Papain Like protease (PLpro), Spike protein (S protein) and RNA-dependent RNA polymerase (RdRp), and also their ability to interact with the angiotensin-converting enzyme II (ACE2) receptor. Flavonols 72-81 vitronectin Homo sapiens 249-258 33249077-5 2021 In this context, the present study reviews the efficacy of many dietary flavonols as potential antiviral drugs targeting the SARS-CoV-2 enzymes and proteins including Chymotrypsin-Like Protease (3CLpro), Papain Like protease (PLpro), Spike protein (S protein) and RNA-dependent RNA polymerase (RdRp), and also their ability to interact with the angiotensin-converting enzyme II (ACE2) receptor. Flavonols 72-81 ORF1a polyprotein;ORF1ab polyprotein Severe acute respiratory syndrome coronavirus 2 294-298 33276066-3 2021 Cell pretreatment with 5 mumol/L flavonols also resisted cell barrier dysfunction by increasing transepithelial resistance, reducing paracellular permeability, and promoting mRNA and protein expression of three tight junction proteins zonula occluden-1, occludin, and claudin-1. Flavonols 33-42 claudin 1 Rattus norvegicus 268-277 33276066-4 2021 Although indomethacin injury increased intracellular Ca2+ concentration ([Ca2+]i) and consequently caused JNK/Src activation, the flavonols could decrease [Ca2+]i and attenuate the calcium-mediated JNK/Src activation. Flavonols 130-139 mitogen-activated protein kinase 8 Rattus norvegicus 198-201 33276066-4 2021 Although indomethacin injury increased intracellular Ca2+ concentration ([Ca2+]i) and consequently caused JNK/Src activation, the flavonols could decrease [Ca2+]i and attenuate the calcium-mediated JNK/Src activation. Flavonols 130-139 SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus 202-205 33011286-5 2021 The results from real-time PCR and western-blot assays indicated that the cells treated with heated and unheated flavonols of 5 mumol/L dosage had up-regulated mRNA (1.13-1.81 folds) and protein (1.15-5.11 folds) expression for zonula occluden-1, occludin, and claudin-1 that are vital to the tight junctions (TJ) of the cells. Flavonols 113-122 occludin Rattus norvegicus 247-255 33011286-5 2021 The results from real-time PCR and western-blot assays indicated that the cells treated with heated and unheated flavonols of 5 mumol/L dosage had up-regulated mRNA (1.13-1.81 folds) and protein (1.15-5.11 folds) expression for zonula occluden-1, occludin, and claudin-1 that are vital to the tight junctions (TJ) of the cells. Flavonols 113-122 claudin 1 Rattus norvegicus 261-270 32526471-2 2020 Toxicology research of HBCD on Arabidopsis thaliana (Col and fls1-3) not only shows the toxic effect of HBCD on plants, but also indicates that flavonols could improve plant resistance to HBCD, including root length, shoot biomass and chlorophyll content. Flavonols 144-153 flavonol synthase 1 Arabidopsis thaliana 61-67 32696979-3 2020 In this study, two FLS genes were shown to be expressed synchronously with the flower development- and tissue- specific biosynthesis of flavonols in Freesia hybrida. Flavonols 136-145 flavonol synthase 1 Arabidopsis thaliana 19-22 33839683-4 2021 We observed the tt4 and fls1 mutants, which produce no flavonols, have increased lateral root emergence. Flavonols 55-64 flavonol synthase 1 Arabidopsis thaliana 24-28 31319297-0 2019 Flavonols and 4-thioflavonols as potential acetylcholinesterase and butyrylcholinesterase inhibitors: Synthesis, structure-activity relationship and molecular docking studies. Flavonols 0-9 butyrylcholinesterase Homo sapiens 68-89 32637131-4 2020 CsMYB60 activated CsFLS and CsLAR by binding to their promoters and directly or indirectly promoted the expression of CsbHLH42, CsMYC1, CsWD40, and CsTATA-box binding protein, resulting in the formation of complexes of these four proteins to increase the expression of Cs4CL and interact with CsTATA-box binding protein to regulate the expression of CsCHS, thereby regulating the biosynthesis of flavonols and PAs in cucumber. Flavonols 396-405 TATA-box-binding protein Cucumis sativus 148-174 32340142-6 2020 These properties could be attributed to the polyphenols, mainly anthocyanins and flavonols, detected by RP-HPLC-DAD-ESI-MSn. Flavonols 81-90 moesin Homo sapiens 120-123 31996451-7 2020 In Cox proportional hazards models, dietary intakes of flavonols were inversely associated with incident Alzheimer dementia in models adjusted for age, sex, education, APOE e4, and participation in cognitive and physical activities. Flavonols 55-64 apolipoprotein E Homo sapiens 168-172 32038672-7 2019 We further demonstrated that NtCHS-overexpressing plants and NtPT2-overexpressing plants also had increased flavonol and P accumulation and higher tolerance to low Pi stress, showing a similar phenotype to NtMYB12-overexpressing transgenic tobacco under low Pi stress. Flavonols 108-116 inorganic phosphate transporter 1-4-like Nicotiana tabacum 61-66 32038672-8 2019 These results suggested that tobacco NtMYB12 acts as a phosphorus starvation response enhancement factor and regulates NtCHS and NtPT2 expression, which results in increased flavonol and P accumulation and enhances tolerance to low Pi stress. Flavonols 174-182 inorganic phosphate transporter 1-4-like Nicotiana tabacum 129-134 31880932-1 2020 4G-alpha-Glucopyranosylrutin (monoglucosylrutin, MGR) is a flavonol glycoside with quercetin as an aglycone, is pale yellow in color, and engages in both copigmentation and anticopigmentation. Flavonols 59-77 MGR6 Homo sapiens 49-52 32388479-2 2020 Quercetin and certain other planar flavones/flavonols can inhibit CK2 in high nanomolar concentrations; this may explain quercetin"s ability to slow the proliferation of RNA viruses in cell cultures and in mice. Flavonols 44-53 casein kinase 2, alpha prime polypeptide Mus musculus 66-69 30326823-7 2020 Flavonols and flavanones showed ROS scavenger activity (P < 0.05), attenuation of caspase-3 and -9 activation (P < 0.05) and restoration of the reduced chymotrypsin-like activity of proteasome 20S (P < 0.05) upon H2O2 exposure of APPswe cells. Flavonols 0-9 caspase 3 Homo sapiens 85-101 32079157-7 2020 Together, these findings indicate a role of AtMyb12 in promoting the early stages of Cyst nematode infection, while flavonols produced through the action of AtFLS1 are essential for plant defense. Flavonols 116-125 flavonol synthase 1 Arabidopsis thaliana 157-163 31944087-1 2020 BACKGROUND AND OBJECTIVE: Flavonols in plants are catalyzed by flavonol synthase (FLS) enzyme. Flavonols 26-35 flavonol synthase 1 Arabidopsis thaliana 82-85 31609578-0 2019 Structure-Dependent Modulation of Substrate Binding and Biodegradation Activity of Pirin Proteins toward Plant Flavonols. Flavonols 111-120 pirin Homo sapiens 83-88 31894062-3 2019 Among tested flavonoids, the para substituted chloro containing flavonol (OF2) and flavone (F2) revealed a considerable in-vitro AChE and BuChE % inhibition with an IC50 values. Flavonols 64-72 acetylcholinesterase Mus musculus 129-133 30510558-4 2018 Following transient and stable expression in Nicotiana and Arabidopsis, respectively, the GSTs were recovered using Strep-Tactin affinity chromatography and the bound ligands desorbed and characterized by LC-MS. AtGSTF2 predominantly bound phenolic derivatives including S-glutathionylated lignanamides and methylated variants of the flavonols kaempferol and quercetin. Flavonols 334-343 glutathione S-transferase PHI 2 Arabidopsis thaliana 212-219 30755473-4 2019 Here, metabolome and transcriptome analyses of anthers from mutant and overexpression genotypes revealed that Arabidopsis MYB99, a putative ortholog of the petunia (Petunia hybrida) floral scent regulator ODORANT1 (ODO1), controls the exclusive production of tapetum diglycosylated flavonols and hydroxycinnamic acid amides. Flavonols 282-291 myb domain protein 99 Arabidopsis thaliana 122-127 31013947-6 2019 The flavonols were more active than the flavones against LDL oxidation, suggesting that hydroxyl group at C-3 and the catechol moiety at B-ring may play important roles in protecting LDL from oxidation. Flavonols 4-13 complement C3 Homo sapiens 106-109 30567381-4 2018 The flavonols 3h, 3i, 3k, 3l and 3p exhibited moderate inhibitory effect against AChE, but significant inhibition against BChE. Flavonols 4-13 acetylcholinesterase (Cartwright blood group) Homo sapiens 81-85 30567381-4 2018 The flavonols 3h, 3i, 3k, 3l and 3p exhibited moderate inhibitory effect against AChE, but significant inhibition against BChE. Flavonols 4-13 butyrylcholinesterase Homo sapiens 122-126 29068268-0 2018 Structural insights into the binding mode of flavonols with the active site of matrix metalloproteinase-9 through molecular docking and molecular dynamic simulations studies. Flavonols 45-54 matrix metallopeptidase 9 Homo sapiens 79-105 30380747-6 2018 OFIE, hydrolyzed (hdl) OFIE, and several flavonols induced the transcriptional activities of both CYP2B6 and CYP3A4 genes in HepG2 cells. Flavonols 41-50 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 98-104 30380747-6 2018 OFIE, hydrolyzed (hdl) OFIE, and several flavonols induced the transcriptional activities of both CYP2B6 and CYP3A4 genes in HepG2 cells. Flavonols 41-50 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 109-115 30380657-7 2018 Intakes of anthocyanins, catechins, and flavonols were strongly inversely associated with cardiovascular disease risk (anthocyanins: Hazard Ratio (HR)for a 1-point increment of 10 mg/day = 0.98 (0.96-0.99, p = 0.03, HRT3vs.T1 = 0.66 (0.52-0.83), ptrend = 0.0003; catechins: HRfor a 1-point increment of 10 mg/day = 0.98 (0.96-0.99), p = 0.02, HRT3vs.T1 = 0.74 (0.60-0.91), ptrend = 0.004; flavonols: HRfor a 1-point increment of 10 mg/day = 0.94 (0.90-0.99), p = 0.02, HRT3vs.T1 = 0.75 (0.61-0.94), ptrend = 0.006). Flavonols 40-49 hes related family bHLH transcription factor with YRPW motif like Homo sapiens 216-220 30380657-7 2018 Intakes of anthocyanins, catechins, and flavonols were strongly inversely associated with cardiovascular disease risk (anthocyanins: Hazard Ratio (HR)for a 1-point increment of 10 mg/day = 0.98 (0.96-0.99, p = 0.03, HRT3vs.T1 = 0.66 (0.52-0.83), ptrend = 0.0003; catechins: HRfor a 1-point increment of 10 mg/day = 0.98 (0.96-0.99), p = 0.02, HRT3vs.T1 = 0.74 (0.60-0.91), ptrend = 0.004; flavonols: HRfor a 1-point increment of 10 mg/day = 0.94 (0.90-0.99), p = 0.02, HRT3vs.T1 = 0.75 (0.61-0.94), ptrend = 0.006). Flavonols 40-49 hes related family bHLH transcription factor with YRPW motif like Homo sapiens 343-347 29953891-0 2018 Importance of the hydroxyl substituents in the B-ring of plant flavonols on their preferential binding interactions with VEGF G-quadruplex DNA: Multi-spectroscopic and molecular modeling studies. Flavonols 63-72 vascular endothelial growth factor A Homo sapiens 121-125 28978264-0 2018 Interaction of two flavonols with fat mass and obesity-associated protein investigated by fluorescence quenching and molecular docking. Flavonols 19-28 FTO alpha-ketoglutarate dependent dioxygenase Homo sapiens 34-73 28978264-1 2018 The binding of two flavonols with fat mass and obesity-associated protein (FTO) was studied using fluorescence spectroscopy, Stern-Volmer kinetics, UV-Vis absorption, and molecular docking. Flavonols 19-28 FTO alpha-ketoglutarate dependent dioxygenase Homo sapiens 34-73 28978264-1 2018 The binding of two flavonols with fat mass and obesity-associated protein (FTO) was studied using fluorescence spectroscopy, Stern-Volmer kinetics, UV-Vis absorption, and molecular docking. Flavonols 19-28 FTO alpha-ketoglutarate dependent dioxygenase Homo sapiens 75-78 30010959-9 2018 Metabolite and gene expression analysis also suggests a negative role for CONSTITUTIVE PHOTOMORPHOGENIC1 (COP1) in accumulation of flavonols in response to low temperature. Flavonols 131-140 Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana 74-104 30010959-9 2018 Metabolite and gene expression analysis also suggests a negative role for CONSTITUTIVE PHOTOMORPHOGENIC1 (COP1) in accumulation of flavonols in response to low temperature. Flavonols 131-140 Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana 106-110 30010959-10 2018 Overexpression of AtMYB12 enhanced accumulation of flavonols under low temperature in a light-dependent manner. Flavonols 51-60 myb domain protein 12 Arabidopsis thaliana 18-25 29778797-0 2018 Discovery of potent alpha-glucosidase inhibitor flavonols: Insights into mechanism of action through inhibition kinetics and docking simulations. Flavonols 48-57 sucrase-isomaltase Homo sapiens 20-37 29068268-4 2018 The results show that flavonols can convincingly bind to active site of MMP-9 as demonstrated by their stable interactions at the S1" specificity pocket and favourable binding energies. Flavonols 22-31 matrix metallopeptidase 9 Homo sapiens 72-77 28259640-4 2017 NADP(H)-dependent 17beta-HSD from the filamentous fungus Cochliobolus lunatus (17beta-HSDcl) has been the subject of extensive biochemical, kinetic and quantitative structure-activity relationship studies that have shown that the flavonols are the most potent inhibitors. Flavonols 230-239 hydroxysteroid 17-beta dehydrogenase 1 Homo sapiens 18-28 29505161-5 2018 In this study, we found that flavonols indirectly modify the rhm1 helical petal phenotype by altering rhamnose flux to the cell wall. Flavonols 29-38 rhamnose biosynthesis 1 Arabidopsis thaliana 61-65 29505161-6 2018 Given this finding, we further investigated the relationship between flavonols and the cell wall in rhm1 cotyledons. Flavonols 69-78 rhamnose biosynthesis 1 Arabidopsis thaliana 100-104 29403524-13 2018 These flavonols are endogenous inhibitors of auxin transport in planta; auxin levels in both roots and shoots of the cad1-3 mutant were in fact lower than those of the wild-type. Flavonols 6-15 cinnamyl-alcohol dehydrogenase Arabidopsis thaliana 117-121 28742839-0 2017 Flavonols reduce aortic atherosclerosis lesion area in apolipoprotein E deficient mice: A systematic review and meta-analysis. Flavonols 0-9 apolipoprotein E Mus musculus 55-71 28742839-9 2017 Sub-analyses suggested that the flavonols (SMD 1.31, 95% CI 0.66, 1.91) but not the flavan-3-ols (SMD 0.33, 95% CI -0.19, 0.85) significantly decreased atherosclerosis area. Flavonols 32-41 small nuclear ribonucleoprotein D1 Mus musculus 43-48 28742839-12 2017 Based on the included studies, the flavonols appear to be the most effective flavonoids for reducing aortic atherosclerotic lesion area in apolipoprotein E deficient mice. Flavonols 35-44 apolipoprotein E Mus musculus 139-155 26498393-4 2015 Herein we report an in vitro inhibition study of human (h) CA isoforms hCAs I, II, IV, VII and XII with a panel of natural polyphenols including flavones, flavonols, flavanones, flavanols, isoflavones and depsides, some of which extracted from Quercus ilex and Salvia miltiorrhiza. Flavonols 155-164 cytochrome P450 family 24 subfamily A member 1 Homo sapiens 71-90 28165500-3 2017 Flavonols have been shown to alter auxin transport activity and changes in flavonol accumulation in the Arabidopsis thaliana rol1-2 mutant cause defects in auxin transport and seedling development. Flavonols 0-9 rhamnose biosynthesis 1 Arabidopsis thaliana 125-131 27911811-2 2016 SULT1A1, the predominant isoform in adult liver, harbors two noninteracting allosteric sites, each of which binds a different molecular family: the catechins (naturally occurring flavonols) and nonsteroidal antiinflammatory drugs (NSAIDs). Flavonols 179-188 sulfotransferase family 1A member 1 Homo sapiens 0-7 25724173-7 2016 Flavonols and resveratrol significantly reduced also the endothelial expression and release of M-CSF. Flavonols 0-9 colony stimulating factor 1 Homo sapiens 95-100 26565375-8 2016 The related natural flavonols, kaempferol and quercetin were less potent inhibitors of TRPC5. Flavonols 20-29 transient receptor potential cation channel subfamily C member 5 Homo sapiens 87-92 28232125-10 2017 We concluded that observed inhibition of CYP2E1 and CYP3A by some flavonols were not gender-dependent. Flavonols 66-75 cytochrome P450 family 2 subfamily E member 1 Homo sapiens 41-47 28232125-10 2017 We concluded that observed inhibition of CYP2E1 and CYP3A by some flavonols were not gender-dependent. Flavonols 66-75 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 52-57 28165500-7 2017 In vivo analysis of PINOID action, a kinase known to influence PIN protein localization in a PP2A-antagonistic manner, revealed a negative impact of flavonols on PINOID activity. Flavonols 149-158 serine/threonine protein phosphatase 2A Arabidopsis thaliana 93-97 27041117-0 2016 Cell-based and in silico evidence against quercetin and structurally-related flavonols as activators of vitamin D receptor. Flavonols 77-86 vitamin D receptor Homo sapiens 104-122 27041117-4 2016 Therefore, we investigated systematically whether quercetin and other flavonols are agonists of rVDR, mouse VDR (mVDR), or human VDR (hVDR). Flavonols 70-79 vitamin D receptor Rattus norvegicus 96-100 26773068-9 2016 The prorelaxant effect retained in these structurally similar flavonols provides a novel pharmacological method for dual inhibition of PLCbeta and PDE4 and therefore may serve as a potential treatment option for acute ASM constriction. Flavonols 62-71 phospholipase C, beta 1 Mus musculus 135-142 26773068-9 2016 The prorelaxant effect retained in these structurally similar flavonols provides a novel pharmacological method for dual inhibition of PLCbeta and PDE4 and therefore may serve as a potential treatment option for acute ASM constriction. Flavonols 62-71 sphingomyelin phosphodiesterase 1 Homo sapiens 218-221 26793227-5 2015 Comparisons of expression patterns of gene related to the flavonoid biosynthesis indicated that disequilibrium expression of flavonol synthase (FLS) and dihydroflavonol-4-reductase (DFR) genes determined the accumulation of flavonols and anothcyanins in both red and white flowers of seven species. Flavonols 224-233 flavonol synthase/flavanone 3-hydroxylase-like Nicotiana tabacum 125-142 26793227-5 2015 Comparisons of expression patterns of gene related to the flavonoid biosynthesis indicated that disequilibrium expression of flavonol synthase (FLS) and dihydroflavonol-4-reductase (DFR) genes determined the accumulation of flavonols and anothcyanins in both red and white flowers of seven species. Flavonols 224-233 flavonol synthase/flavanone 3-hydroxylase-like Nicotiana tabacum 144-147 26793227-5 2015 Comparisons of expression patterns of gene related to the flavonoid biosynthesis indicated that disequilibrium expression of flavonol synthase (FLS) and dihydroflavonol-4-reductase (DFR) genes determined the accumulation of flavonols and anothcyanins in both red and white flowers of seven species. Flavonols 224-233 dihydroflavonol-4-reductase Nicotiana tabacum 153-180 26793227-5 2015 Comparisons of expression patterns of gene related to the flavonoid biosynthesis indicated that disequilibrium expression of flavonol synthase (FLS) and dihydroflavonol-4-reductase (DFR) genes determined the accumulation of flavonols and anothcyanins in both red and white flowers of seven species. Flavonols 224-233 dihydroflavonol-4-reductase Nicotiana tabacum 182-185 26793227-9 2015 On this basis, we propose a model in which FLS and DFR gene-products compete for common substrates in order to direct the biosynthesis of flavonols and anthocyanins, respectively, thereby determining white vs. red coloration of flowers. Flavonols 138-147 flavonol synthase/flavanone 3-hydroxylase-like Nicotiana tabacum 43-46 26793227-9 2015 On this basis, we propose a model in which FLS and DFR gene-products compete for common substrates in order to direct the biosynthesis of flavonols and anthocyanins, respectively, thereby determining white vs. red coloration of flowers. Flavonols 138-147 dihydroflavonol-4-reductase Nicotiana tabacum 51-54 26497596-2 2015 A number of transcription factors have been used to upregulate-specific branches of phenylpropanoid metabolism, but by far the most effective has been the fruit-specific expression of AtMYB12 in tomato, which resulted in as much as 10% of fruit dry weight accumulating as flavonols and hydroxycinnamates. Flavonols 272-281 myb domain protein 12 Arabidopsis thaliana 184-191 25981047-10 2015 This study demonstrated that AtMYB11 can be strategically used for enhancing the health beneficial flavonols in species other than Arabidopsis. Flavonols 99-108 myb domain protein 11 Arabidopsis thaliana 29-36 26238175-9 2015 Overall, flavonols activate PXR in an analogue-specific and species-dependent manner. Flavonols 9-18 nuclear receptor subfamily 1 group I member 2 Homo sapiens 28-31 26238175-11 2015 Understanding the structure-activity relationship of flavonols in hPXR activation may facilitate nutraceutical development efforts in the treatment of PXR-associated intestinal diseases, such as inflammatory bowel disease. Flavonols 53-62 nuclear receptor subfamily 1 group I member 2 Homo sapiens 66-70 26238175-11 2015 Understanding the structure-activity relationship of flavonols in hPXR activation may facilitate nutraceutical development efforts in the treatment of PXR-associated intestinal diseases, such as inflammatory bowel disease. Flavonols 53-62 nuclear receptor subfamily 1 group I member 2 Homo sapiens 67-70 26442064-3 2015 Dihydroflavonol 4-reductase (DFR) is a vital enzyme of the flavonoid pathway which displays major impact on the formation of anthocyanins, flavan 3-ols and flavonols. Flavonols 156-165 putative anthocyanidin reductase Gossypium hirsutum 0-27 26442064-3 2015 Dihydroflavonol 4-reductase (DFR) is a vital enzyme of the flavonoid pathway which displays major impact on the formation of anthocyanins, flavan 3-ols and flavonols. Flavonols 156-165 putative anthocyanidin reductase Gossypium hirsutum 29-32 26071529-9 2015 Among these, the transcripts coding for MYB and bZIP transcription factors, methyltranferases, and glucosyltranferases specific for flavonols, proteins, and factors belonging to the UV-B signalling pathway and co-localizing with the QTL regions are proposed as candidate genes for the fine regulation of flavonol content and composition in mature grapes. Flavonols 132-141 MYB proto-oncogene, transcription factor Homo sapiens 40-43 25712349-7 2015 A mixture of all flavonols significantly increased mRNA expression of the main glucose transporter Glut1 in HepG2 cells. Flavonols 17-26 solute carrier family 2 member 1 Homo sapiens 99-104 26206248-9 2015 Taken together, results demonstrate that modulation of primary carbon metabolism and other pathways by AtMYB12 in tomato may lead to sufficient substrate supply for enhanced content of phenolics in general and flavonols in particular. Flavonols 210-219 myb domain protein 12 Arabidopsis thaliana 103-110 25867625-12 2015 Moreover, the increased accumulation of the flavonols quercetin and kaempferol appears closely related to the increase of PAL5, chalcone synthase (CHS) and flavonol synthase/flavanone 3-hydroxylase-like (FLS) genes. Flavonols 44-53 phenylalanine ammonia-lyase Solanum lycopersicum 122-126 25867625-12 2015 Moreover, the increased accumulation of the flavonols quercetin and kaempferol appears closely related to the increase of PAL5, chalcone synthase (CHS) and flavonol synthase/flavanone 3-hydroxylase-like (FLS) genes. Flavonols 44-53 chalcone synthase 1 Solanum lycopersicum 128-145 25867625-12 2015 Moreover, the increased accumulation of the flavonols quercetin and kaempferol appears closely related to the increase of PAL5, chalcone synthase (CHS) and flavonol synthase/flavanone 3-hydroxylase-like (FLS) genes. Flavonols 44-53 LOC101250319 Solanum lycopersicum 156-202 25867625-12 2015 Moreover, the increased accumulation of the flavonols quercetin and kaempferol appears closely related to the increase of PAL5, chalcone synthase (CHS) and flavonol synthase/flavanone 3-hydroxylase-like (FLS) genes. Flavonols 44-53 LOC101250319 Solanum lycopersicum 204-207 25442631-4 2015 More interestingly, it was the flavonols, not the flavanols, which showed the inhibitory activities against alpha-glucosidase and pancreatic lipase. Flavonols 31-40 sucrase-isomaltase Homo sapiens 108-125 25541401-1 2015 Photophysical properties of a bioactive flavonol which can be used as a model for polyhydroxylated natural flavonols, 3,6-diHydroxyflavone (3,6-diHF) in cyclodextrins (CDs)/bovine serum albumin (BSA) systems have been studied by absorption and fluorescence spectroscopy. Flavonols 107-116 albumin Homo sapiens 180-193 25622620-0 2015 Evaluation of flavonols and derivatives as human cathepsin B inhibitor. Flavonols 14-23 cathepsin B Homo sapiens 49-60 25444741-8 2015 Insulin and insulin resistance were inversely correlated with intakes of flavones and flavonols among the male subjects. Flavonols 86-95 insulin Homo sapiens 0-7 25444741-8 2015 Insulin and insulin resistance were inversely correlated with intakes of flavones and flavonols among the male subjects. Flavonols 86-95 insulin Homo sapiens 12-19 25580686-0 2015 The role of selected flavonols in tumor necrosis factor-related apoptosis-inducing ligand receptor-1 (TRAIL-R1) expression on activated RAW 264.7 macrophages. Flavonols 21-30 tumor necrosis factor (ligand) superfamily, member 10 Mus musculus 102-107 25580686-3 2015 In this study, the expression level of TRAIL-R1 on murine RAW264.7 macrophages in the presence of selected flavonols: galangin, kaempferol, kaempferide and quercetin, which differ from their phenyl ring substituents, were studied. Flavonols 107-116 tumor necrosis factor (ligand) superfamily, member 10 Mus musculus 39-44 25622620-6 2015 The results demonstrated polyhydroxylated flavonols as promising inhibitors of catB. Flavonols 42-51 cathepsin B Homo sapiens 79-83 25315603-4 2014 The elevated flavonols are required for the growth effect, because the transparent testa4 mutation reverses the noa1 mutant root elongation phenotype. Flavonols 13-22 P-loop containing nucleoside triphosphate hydrolases superfamily protein Arabidopsis thaliana 112-116 25518925-2 2015 In this study, we analyzed the effect of flavonols on MMP-9 expression in phorbol-12-myristate-13-acetate (PMA)-induced human fibrosarcoma HT-1080 cells. Flavonols 41-50 matrix metallopeptidase 9 Homo sapiens 54-59 25518925-8 2015 Therefore, these flavonols could be used as chemopreventive agents to lower the risk of diseases involving MMP-9. Flavonols 17-26 matrix metallopeptidase 9 Homo sapiens 107-112 25468534-10 2015 A comparison of a wide spectrum of beta-glucosides showed that recombinant BGLU15 preferentially hydrolyses the 3-O-beta-glucosides of flavonols, but does not attack quercetin 3-O-alpha-rhamnoside, quercetin 3-O-beta-galactoside and rutin. Flavonols 135-144 beta glucosidase 15 Arabidopsis thaliana 75-81 25143139-9 2014 The AChE inhibitions generally increase with the increasing affinities of flavonoids within the class, especially for flavones and flavonols. Flavonols 131-140 acetylcholinesterase (Cartwright blood group) Homo sapiens 4-8 25006027-3 2014 Complementation of are with the p35S:F3H transgene reduced naringenin and increased flavonols to wild-type levels. Flavonols 84-93 flavanone 3-dioxygenase Solanum lycopersicum 32-40 24954290-2 2014 Flavonols exert a favourable effect on endothelium-derived vasodilation via the stimulation of nitric oxide-synthase (NOS), the increased availability of l-arginine (NO donor) and the decreased degradation of NO. Flavonols 0-9 nitric oxide synthase 2 Homo sapiens 95-116 24492725-4 2014 Coumarins, flavonols, and catechin inhibited hMATE1 activity. Flavonols 11-20 solute carrier family 47 member 1 Homo sapiens 45-51 25026921-0 2014 Apple flavonols and n-3 polyunsaturated fatty acid-rich fish oil lowers blood C-reactive protein in rats with hypercholesterolemia and acute inflammation. Flavonols 6-15 C-reactive protein Rattus norvegicus 78-96 24846090-5 2014 The results suggest that AtMYB111 expression in transgenic tobacco enhances expression of genes of the phenylpropanoid pathway leading to an elevated content of flavonols. Flavonols 161-170 myb domain protein 111 Arabidopsis thaliana 25-33 24720993-6 2014 It was found that flavonols (quercetin and myricetin) and flavans (epicatechin gallate (ECG) and epigallocatechin (EGC)) showed higher TOD inhibitory activity than flavones and flavanones. Flavonols 18-27 monoamine oxidase B Homo sapiens 135-138 24353343-3 2014 Compared with the RG diet, the MYB10 diet contained elevated concentrations of the flavonoid subclasses anthocyanins, flavanol monomers (epicatechin) and oligomers (procyanidin B2), and flavonols (quercetin glycosides), but other plant secondary metabolites were largely unaltered. Flavonols 186-195 transcription factor MYB113-like Malus domestica 31-36 24102754-0 2014 Co-expression of Arabidopsis transcription factor, AtMYB12, and soybean isoflavone synthase, GmIFS1, genes in tobacco leads to enhanced biosynthesis of isoflavones and flavonols resulting in osteoprotective activity. Flavonols 168-177 myb domain protein 12 Arabidopsis thaliana 51-58 23050660-2 2012 To define the functional features of two such families of compounds, the flavonols and the ethyl caffeates, we have determined the high-resolution structures of representative inhibitors in complex with human pancreatic alpha-amylase. Flavonols 73-82 amylase alpha 2A Homo sapiens 209-233 24118612-4 2013 Seedlings and seeds of mTCP3 plants were found to hyper-accumulate flavonols, anthocyanins and proanthocyanidins, whereas levels of proanthocyanidins were slightly reduced in TCP3SRDX plants. Flavonols 67-76 t-complex protein 3 Mus musculus 23-28 24118612-4 2013 Seedlings and seeds of mTCP3 plants were found to hyper-accumulate flavonols, anthocyanins and proanthocyanidins, whereas levels of proanthocyanidins were slightly reduced in TCP3SRDX plants. Flavonols 67-76 chaperonin-containing T-complex subunit CCT3 Saccharomyces cerevisiae S288C 24-28 23801300-4 2013 Two UGTs isolated from Arabidopsis thaliana, AtUGT78D2 and AtUGT78D3, showed 89 % amino acid sequence similarity (75 % amino acid sequence identity) and both attached a sugar to the 3-hydroxyl group of flavonols using a UDP-sugar. Flavonols 202-211 UDP-glucosyl transferase 78D2 Arabidopsis thaliana 45-54 23801300-4 2013 Two UGTs isolated from Arabidopsis thaliana, AtUGT78D2 and AtUGT78D3, showed 89 % amino acid sequence similarity (75 % amino acid sequence identity) and both attached a sugar to the 3-hydroxyl group of flavonols using a UDP-sugar. Flavonols 202-211 UDP-glucosyl transferase 78D3 Arabidopsis thaliana 59-68 23760261-2 2013 In this context, we have examined five classes of plant-derived flavonoids (flavonols, flavones, flavanones, catechins, and cyanidin) for their ability to regulate cytokine release induced by the Toll-like receptor 2 (TLR2) agonist Pam3CSK4. Flavonols 76-85 toll like receptor 2 Homo sapiens 196-216 23760261-3 2013 We found that the flavonols selectively co-stimulated IL-1beta secretion but had no impact on the secretion of IL-6. Flavonols 18-27 interleukin 1 beta Homo sapiens 54-62 23760261-6 2013 In contrast, the methylated flavonols enhanced IL-1beta gene expression through transcriptional regulation, involving mechanisms that operate downstream of the initial NF-kappaB and STAT1 activation events. Flavonols 28-37 interleukin 1 beta Homo sapiens 47-55 23760261-6 2013 In contrast, the methylated flavonols enhanced IL-1beta gene expression through transcriptional regulation, involving mechanisms that operate downstream of the initial NF-kappaB and STAT1 activation events. Flavonols 28-37 signal transducer and activator of transcription 1 Homo sapiens 182-187 23279849-8 2013 Comparing the activities of morin with those of four structurally related flavonols demonstrated the importance of hydroxyl groups in the B ring in inhibiting STAT3 activation. Flavonols 74-83 signal transducer and activator of transcription 3 Homo sapiens 159-164 22980861-4 2012 It was found that all the three dietary flavonols could ameliorate the oxidative stress, enhance the activity of Na(+),K(+)-ATPase and regulate the expression of ERK-CREB pathway in mice. Flavonols 40-49 mitogen-activated protein kinase 1 Mus musculus 162-165 22980861-4 2012 It was found that all the three dietary flavonols could ameliorate the oxidative stress, enhance the activity of Na(+),K(+)-ATPase and regulate the expression of ERK-CREB pathway in mice. Flavonols 40-49 cAMP responsive element binding protein 1 Mus musculus 166-170 23809009-8 2013 The flavonols 3-Hydroxyflavone, galangin, quercetin and tamarixetin transactivated the ligand-binding domain of hCAR-WT, but only 3-hydroxyflavone recruited SRC-1, SRC-2 and SRC-3 to the receptor. Flavonols 4-13 CXADR Ig-like cell adhesion molecule Homo sapiens 112-116 23809009-8 2013 The flavonols 3-Hydroxyflavone, galangin, quercetin and tamarixetin transactivated the ligand-binding domain of hCAR-WT, but only 3-hydroxyflavone recruited SRC-1, SRC-2 and SRC-3 to the receptor. Flavonols 4-13 nuclear receptor coactivator 2 Homo sapiens 164-169 23809009-8 2013 The flavonols 3-Hydroxyflavone, galangin, quercetin and tamarixetin transactivated the ligand-binding domain of hCAR-WT, but only 3-hydroxyflavone recruited SRC-1, SRC-2 and SRC-3 to the receptor. Flavonols 4-13 nuclear receptor coactivator 3 Homo sapiens 174-179 23180627-6 2013 Once produced in the gut by digestion, glucose is absorbed by SGLT1 and GLUT2 transporters, inhibited by flavonols and flavonol glycosides, phlorizin and green tea catechins. Flavonols 105-114 solute carrier family 5 member 1 Homo sapiens 62-67 23180627-6 2013 Once produced in the gut by digestion, glucose is absorbed by SGLT1 and GLUT2 transporters, inhibited by flavonols and flavonol glycosides, phlorizin and green tea catechins. Flavonols 105-114 solute carrier family 2 member 2 Homo sapiens 72-77 21557334-1 2012 In vitro studies have found that flavanol epigallocatechin (EGC) and flavonols, but not flavanol epicatechin (EC), activate glutathione S-transferases (GSTs), a family of phase II enzymes that detoxify reactive oxygen species, such as catechol estrogen metabolites. Flavonols 69-78 glutathione S-transferase mu 1 Homo sapiens 152-156 22258746-2 2012 Whereas CCoAOMT1 displays a strong preference for caffeoyl coenzyme A, COMT1 preferentially methylates 5-hydroxyferuloyl CoA derivatives and also performs methylation of flavonols with vicinal aromatic dihydroxy groups, such as quercetin. Flavonols 170-179 S-adenosyl-L-methionine-dependent methyltransferases superfamily protein Arabidopsis thaliana 8-16 22258746-2 2012 Whereas CCoAOMT1 displays a strong preference for caffeoyl coenzyme A, COMT1 preferentially methylates 5-hydroxyferuloyl CoA derivatives and also performs methylation of flavonols with vicinal aromatic dihydroxy groups, such as quercetin. Flavonols 170-179 O-methyltransferase 1 Arabidopsis thaliana 71-76 29243607-3 2012 The active components were identified as prenylated flavonols (2-4) that inhibited two related human cholinesterases in a dose-dependent manner, with IC50"s ranging between 0.8 and 3.1muM and between 0.5 and 24.7muM against human acetylcholinesterase (hAChE) and butylcholinesterase (BChE), respectively. Flavonols 52-61 acetylcholinesterase (Cartwright blood group) Homo sapiens 252-257 29243607-3 2012 The active components were identified as prenylated flavonols (2-4) that inhibited two related human cholinesterases in a dose-dependent manner, with IC50"s ranging between 0.8 and 3.1muM and between 0.5 and 24.7muM against human acetylcholinesterase (hAChE) and butylcholinesterase (BChE), respectively. Flavonols 52-61 butyrylcholinesterase Homo sapiens 263-282 29243607-3 2012 The active components were identified as prenylated flavonols (2-4) that inhibited two related human cholinesterases in a dose-dependent manner, with IC50"s ranging between 0.8 and 3.1muM and between 0.5 and 24.7muM against human acetylcholinesterase (hAChE) and butylcholinesterase (BChE), respectively. Flavonols 52-61 butyrylcholinesterase Homo sapiens 284-288 29243607-5 2012 Flavonols (2-4) showed mixed inhibition kinetics as well as slow and time-dependent reversible inhibition toward hAChE. Flavonols 0-9 acetylcholinesterase (Cartwright blood group) Homo sapiens 113-118 21557334-6 2012 Urinary excretion of flavonols and flavanols, particularly EGC (P = 0.02), was significantly higher among women null for GSTM1 than those positive for GSTM1. Flavonols 21-30 glutathione S-transferase mu 1 Homo sapiens 121-126 21557334-6 2012 Urinary excretion of flavonols and flavanols, particularly EGC (P = 0.02), was significantly higher among women null for GSTM1 than those positive for GSTM1. Flavonols 21-30 glutathione S-transferase mu 1 Homo sapiens 151-156 21557334-7 2012 Flavonols and flavanols (EGC in particular) were associated with a reduced risk of breast cancer among those null for GSTM1 and GSTT1, with a P-value of 0.04 for the interaction between EGC and GSTM1 polymorphism. Flavonols 0-9 glutathione S-transferase mu 1 Homo sapiens 118-123 21557334-7 2012 Flavonols and flavanols (EGC in particular) were associated with a reduced risk of breast cancer among those null for GSTM1 and GSTT1, with a P-value of 0.04 for the interaction between EGC and GSTM1 polymorphism. Flavonols 0-9 glutathione S-transferase theta 1 Homo sapiens 128-133 21557334-7 2012 Flavonols and flavanols (EGC in particular) were associated with a reduced risk of breast cancer among those null for GSTM1 and GSTT1, with a P-value of 0.04 for the interaction between EGC and GSTM1 polymorphism. Flavonols 0-9 glutathione S-transferase mu 1 Homo sapiens 194-199 21557334-8 2012 In contrast, among women possessing both GSTM1 and GSTT1, breast cancer risk increased with levels of flavonols, particularly kaempferol. Flavonols 102-111 glutathione S-transferase mu 1 Homo sapiens 41-46 21557334-8 2012 In contrast, among women possessing both GSTM1 and GSTT1, breast cancer risk increased with levels of flavonols, particularly kaempferol. Flavonols 102-111 glutathione S-transferase theta 1 Homo sapiens 51-56 22352375-8 2012 In conclusion, molecular docking studies explain why SULT1A3 exclusively mediates sulfonation at the 7-OH position of flavones/flavonols, and correlation studies indicate that SULT1A3 is the main isoform responsible for flavonoid sulfonation in the Caco-2 cells. Flavonols 127-136 sulfotransferase family 1A member 3 Homo sapiens 53-60 22352375-8 2012 In conclusion, molecular docking studies explain why SULT1A3 exclusively mediates sulfonation at the 7-OH position of flavones/flavonols, and correlation studies indicate that SULT1A3 is the main isoform responsible for flavonoid sulfonation in the Caco-2 cells. Flavonols 127-136 sulfotransferase family 1A member 3 Homo sapiens 176-183 21472492-0 2011 Regioselective glucuronidation of flavonols by six human UGT1A isoforms. Flavonols 34-43 UDP glucuronosyltransferase family 1 member A complex locus Homo sapiens 57-62 22307611-5 2012 Using reduction-of-function and overexpression approaches in parallel, we demonstrate that the WRKY23 transcription factor is needed for proper root growth and development by stimulating the local biosynthesis of flavonols. Flavonols 213-222 WRKY DNA-binding protein 23 Arabidopsis thaliana 95-101 22249996-9 2012 The dependence of the PAL feedback inhibition on flavonols was confirmed by chemical complementation of tt4 ugt78d1 ugt78d2 using naringenin, a downstream flavonoid intermediate, which restored the PAL repression. Flavonols 49-58 UDP-glucosyl transferase 78D1 Arabidopsis thaliana 108-115 22249996-9 2012 The dependence of the PAL feedback inhibition on flavonols was confirmed by chemical complementation of tt4 ugt78d1 ugt78d2 using naringenin, a downstream flavonoid intermediate, which restored the PAL repression. Flavonols 49-58 UDP-glucosyl transferase 78D2 Arabidopsis thaliana 116-123 22300659-6 2012 Counter screening, where the ability of these chosen flavonols to inhibit caspase 8 binding to itself was assessed, demonstrated that myricetin, morin and quercetin inhibited GST-E6 and His-caspase 8 binding in a specific manner. Flavonols 53-62 caspase 8 Homo sapiens 74-83 22300659-6 2012 Counter screening, where the ability of these chosen flavonols to inhibit caspase 8 binding to itself was assessed, demonstrated that myricetin, morin and quercetin inhibited GST-E6 and His-caspase 8 binding in a specific manner. Flavonols 53-62 caspase 8 Homo sapiens 190-199 22153059-5 2011 During the roasting process, tree nut isoflavones, flavanols and flavonols were found to be more resistant to heat than the anthocyanins, PAC and trans-resveratrol. Flavonols 65-74 NUT midline carcinoma family member 1 Homo sapiens 34-37 21472492-2 2011 We aimed to determine the regioselective glucuronidation of four model flavonols using six expressed human UGT1A isoforms (UGT1A1, 1A3, 1A7, 1A8, 1A9, 1A10). Flavonols 71-80 UDP glucuronosyltransferase family 1 member A complex locus Homo sapiens 107-112 21472492-2 2011 We aimed to determine the regioselective glucuronidation of four model flavonols using six expressed human UGT1A isoforms (UGT1A1, 1A3, 1A7, 1A8, 1A9, 1A10). Flavonols 71-80 UDP glucuronosyltransferase family 1 member A1 Homo sapiens 123-129 21472492-3 2011 METHODS: In vitro reaction kinetic profiles of six UGT1A-mediated metabolism of four flavonols (all with 7-OH group) were characterized; kinetic parameters (K(m), V(max) and CL(int) = V(max)/K(m)) were determined. Flavonols 85-94 UDP glucuronosyltransferase family 1 member A complex locus Homo sapiens 51-56 21472492-8 2011 CONCLUSION: UGT1A isoforms displayed distinct positional preferences between 3-OH and 7-OH of flavonols. Flavonols 94-103 UDP glucuronosyltransferase family 1 member A complex locus Homo sapiens 12-17 20460144-10 2010 All three tested flavonols significantly (P<0.01) inhibited histamine content at 10 mg/kg, and phospholipase A(2) (PLA(2)) and EPO activities at 30 mg/kg (p.o.) Flavonols 17-26 erythropoietin Cavia porcellus 130-133 21502189-3 2011 The rol1-2 (for repressor of lrx1) mutation of Arabidopsis (Arabidopsis thaliana) induces aberrant accumulation of flavonols and a cell-growth phenotype in the shoot. Flavonols 115-124 rhamnose biosynthesis 1 Arabidopsis thaliana 4-10 21502189-3 2011 The rol1-2 (for repressor of lrx1) mutation of Arabidopsis (Arabidopsis thaliana) induces aberrant accumulation of flavonols and a cell-growth phenotype in the shoot. Flavonols 115-124 leucine-rich repeat/extensin 1 Arabidopsis thaliana 29-33 21502189-5 2011 Indeed, the identification of several transparent testa, myb, and fls1 (for flavonol synthase1) alleles in a rol1-2 suppressor screen provides genetic evidence that flavonols interfere with shoot development in rol1-2 seedlings. Flavonols 165-174 flavonol synthase 1 Arabidopsis thaliana 66-70 21502189-5 2011 Indeed, the identification of several transparent testa, myb, and fls1 (for flavonol synthase1) alleles in a rol1-2 suppressor screen provides genetic evidence that flavonols interfere with shoot development in rol1-2 seedlings. Flavonols 165-174 rhamnose biosynthesis 1 Arabidopsis thaliana 109-115 21502189-5 2011 Indeed, the identification of several transparent testa, myb, and fls1 (for flavonol synthase1) alleles in a rol1-2 suppressor screen provides genetic evidence that flavonols interfere with shoot development in rol1-2 seedlings. Flavonols 165-174 rhamnose biosynthesis 1 Arabidopsis thaliana 211-217 21502189-8 2011 Inhibition of flavonol biosynthesis in rol1-2 fls1-3 restores naphthalene-1-acetic acid transport to wild-type levels, indicating a very specific mode of action of flavonols on the auxin transport machinery. Flavonols 164-173 rhamnose biosynthesis 1 Arabidopsis thaliana 39-45 21502189-8 2011 Inhibition of flavonol biosynthesis in rol1-2 fls1-3 restores naphthalene-1-acetic acid transport to wild-type levels, indicating a very specific mode of action of flavonols on the auxin transport machinery. Flavonols 164-173 flavonol synthase 1 Arabidopsis thaliana 46-50 21329749-8 2011 The inhibitory potency of flavonols on CYP1A1 activity in presence of B[a]P was much stronger for the aglycones than for the 3-O-rutinosides, explaining the slight effect observed with the GBE, mainly composed of glycosylated flavonoids. Flavonols 26-35 cytochrome P450 family 1 subfamily A member 1 Homo sapiens 39-45 21278283-8 2011 These results indicate that two of the major flavonols found in green tea have a substantial effect on the function of OATPs expressed in enterocytes and hepatocytes and can potentially alter the pharmacokinetics of drugs and other OATP substrates. Flavonols 45-54 solute carrier organic anion transporter family member 1A2 Homo sapiens 119-123 21077260-1 2011 It was previously reported that prenylated flavonols from Sophora flavescens are inhibitors of rat lens aldose reductase (RLAR), human recombinant aldose reductase (HRAR), advanced glycation endproducts (AGE), beta-secretase (BACE1) and cholinesterases (ChE). Flavonols 43-52 aldo-keto reductase family 1 member B1 Rattus norvegicus 104-120 21077260-1 2011 It was previously reported that prenylated flavonols from Sophora flavescens are inhibitors of rat lens aldose reductase (RLAR), human recombinant aldose reductase (HRAR), advanced glycation endproducts (AGE), beta-secretase (BACE1) and cholinesterases (ChE). Flavonols 43-52 aldo-keto reductase family 1 member B Homo sapiens 147-163 21077260-1 2011 It was previously reported that prenylated flavonols from Sophora flavescens are inhibitors of rat lens aldose reductase (RLAR), human recombinant aldose reductase (HRAR), advanced glycation endproducts (AGE), beta-secretase (BACE1) and cholinesterases (ChE). Flavonols 43-52 beta-secretase 1 Homo sapiens 226-231 22145036-6 2011 Flavonol synthase (FLS) is an important enzyme of flavonoid pathway that catalyzes the formation of flavonols. Flavonols 100-109 flavonol synthase/flavanone 3-hydroxylase-like Nicotiana tabacum 0-17 22145036-6 2011 Flavonol synthase (FLS) is an important enzyme of flavonoid pathway that catalyzes the formation of flavonols. Flavonols 100-109 flavonol synthase/flavanone 3-hydroxylase-like Nicotiana tabacum 19-22 20444210-10 2010 These results confirm that KAN4 is a regulatory protein which modulates the content of flavonols and PA in Arabidopsis seeds. Flavonols 87-96 Homeodomain-like superfamily protein Arabidopsis thaliana 27-31 21487097-2 2011 Anthocyanins and flavonols are derived from Phe and share common precursors, dihydroflavonols, which are substrates for both flavonol synthase and dihydroflavonol 4-reductase. Flavonols 17-26 dihydroflavonol 4-reductase Arabidopsis thaliana 147-174 21068207-0 2011 Three-dimensional quantitative structure-activity relationship studies on UGT1A9-mediated 3-O-glucuronidation of natural flavonols using a pharmacophore-based comparative molecular field analysis model. Flavonols 121-130 UDP glucuronosyltransferase family 1 member A9 Homo sapiens 74-80 21068207-3 2011 This article aims to construct position (3-OH)-specific comparative molecular field analysis (CoMFA) models to describe UDP-glucuronosyltransferase (UGT) 1A9-mediated glucuronidation of flavonols, which can be used to design poor UGT1A9 substrates. Flavonols 186-195 UDP glucuronosyltransferase family 1 member A9 Homo sapiens 120-157 21068207-4 2011 The kinetics of recombinant UGT1A9-mediated 3-O-glucuronidation of 30 flavonols was characterized, and kinetic parameters (K(m), V(max), CL(int)) were obtained. Flavonols 70-79 UDP glucuronosyltransferase family 1 member A9 Homo sapiens 28-34 21068207-6 2011 To model UGT1A9-mediated glucuronidation, 30 flavonols were split into the training (23 compounds) and test (7 compounds) sets. Flavonols 45-54 UDP glucuronosyltransferase family 1 member A9 Homo sapiens 9-15 21068207-10 2011 In conclusion, the approach of coupling CoMFA analysis with a pharmacophore-based structural alignment is viable for constructing a predictive model for regiospecific glucuronidation rates of flavonols by UGT1A9. Flavonols 192-201 UDP glucuronosyltransferase family 1 member A9 Homo sapiens 205-211 20383790-5 2010 RESULTS: Flavonols inhibited the secretion of allergic mediators in RBL-2H3 cells and suppressed the CD23 mRNA expression and p38 MAPK activation in IL-4 stimulated Caco-2 cells. Flavonols 9-18 Fc epsilon receptor II Rattus norvegicus 101-105 20383790-5 2010 RESULTS: Flavonols inhibited the secretion of allergic mediators in RBL-2H3 cells and suppressed the CD23 mRNA expression and p38 MAPK activation in IL-4 stimulated Caco-2 cells. Flavonols 9-18 interleukin 4 Rattus norvegicus 149-153 20383790-6 2010 Flavonols also suppressed IgE-OVA induced extra signal-regulated protein kinase (ERK) activation and chemokine release. Flavonols 0-9 immunoglobulin heavy constant epsilon Homo sapiens 26-29 20383790-6 2010 Flavonols also suppressed IgE-OVA induced extra signal-regulated protein kinase (ERK) activation and chemokine release. Flavonols 0-9 mitogen-activated protein kinase 1 Homo sapiens 81-84 20450880-4 2010 Flavones and flavonols suppressed the TCDD-induced nuclear translocation of the AhR and dissociation of its partner proteins, heat shock protein 90 and X-associated protein 2, whereas flavanones and catechins did not. Flavonols 13-22 aryl-hydrocarbon receptor Mus musculus 80-83 20580386-1 2010 Cabernet Sauvignon 3",5"-O-methyltransferase showing strong preference for anthocyanins and glycosylated flavonols. Flavonols 105-114 O-methyltransferase Vitis vinifera 25-44 20621794-8 2010 Transfer of UGT78K1 into the Arabidopsis T-DNA mutant (ugt78d2) deficient in anthocyanidin and flavonol 3-O-glucosyltransferase activity, restored the accumulation of anthocyanins and flavonols, suggesting the in vivo function of the enzyme as a flavonoid 3-O-glucosyltransferase. Flavonols 184-193 UDP-glucose:flavonoid 3-O-glucosyltransferase Glycine max 12-19 20696580-4 2010 Flavones and flavonols indicated relatively strong inhibitory effects on CYP1s compared with flavanone that does not have the double bond between C-positions 2 and 3 on the C-ring. Flavonols 13-22 cytochrome P450 family 1 subfamily A member 1 Homo sapiens 73-77 20696580-6 2010 In particular, methoxy types of flavones and flavonols such as chrysoeriol and isorhamnetin showed strong and selective inhibition against CYP1B1. Flavonols 45-54 cytochrome P450 family 1 subfamily B member 1 Homo sapiens 139-145 20059741-3 2010 By homology with an Arabidopsis flavonol synthase (AtFLS1), we cloned a maize gene encoding a protein (ZmFLS1) capable of converting the dihydrokaempferol (DHK) and dihydroquercetin (DHQ) dihydroflavonols to the corresponding flavonols, kaempferol (K) and quercetin (Q). Flavonols 195-204 flavonol synthase 1 Arabidopsis thaliana 51-57 20153296-2 2010 In this work we analyzed the effect of a group of 20 structurally related flavonoids, including flavones, flavonols and isoflavones, on the production of vascular endothelial growth factor (VEGF) induced by hypoxia in NCI-H157 cells. Flavonols 106-115 vascular endothelial growth factor A Homo sapiens 154-188 20153296-2 2010 In this work we analyzed the effect of a group of 20 structurally related flavonoids, including flavones, flavonols and isoflavones, on the production of vascular endothelial growth factor (VEGF) induced by hypoxia in NCI-H157 cells. Flavonols 106-115 vascular endothelial growth factor A Homo sapiens 190-194 20484173-0 2010 Interleukin-6 as a potential indicator for prevention of high-risk adenoma recurrence by dietary flavonols in the polyp prevention trial. Flavonols 97-106 interleukin 6 Homo sapiens 0-13 20484173-3 2010 We estimated odds ratios and 95% confidence intervals (95% CI) to determine whether serum IL-6 was associated with colorectal adenoma recurrence and flavonol intake and thus may serve as a risk indicator and as a response indicator to dietary flavonols. Flavonols 243-252 interleukin 6 Homo sapiens 90-94 20484173-5 2010 Intake of flavonols, especially of isorhamnetin, kaempferol, and quercetin, was inversely associated with serum IL-6 concentrations (highest versus lowest flavonol intake quartile, 1.80 versus 2.20 pg/mL) and high-risk (OR, 0.51; 95% CI, 0.26-0.98) and advanced adenoma recurrence (OR, 0.17; 95% CI, 0.06-0.50). Flavonols 10-19 interleukin 6 Homo sapiens 112-116 20484173-8 2010 Our results suggest that serum IL-6 may serve as a risk indicator and as a response indicator to dietary flavonols for colorectal cancer prevention. Flavonols 105-114 interleukin 6 Homo sapiens 31-35 20415488-0 2010 Evaluation of inhibitory actions of flavonols and related substances on lysophospholipase d activity of serum autotaxin by a convenient assay using a chromogenic substrate. Flavonols 36-45 phospholipase B1 Homo sapiens 72-89 20415488-0 2010 Evaluation of inhibitory actions of flavonols and related substances on lysophospholipase d activity of serum autotaxin by a convenient assay using a chromogenic substrate. Flavonols 36-45 ectonucleotide pyrophosphatase/phosphodiesterase 2 Homo sapiens 110-119 20415488-4 2010 Flavonols, phenolic acids, free fatty acids, and N-acyltyrosines inhibited lysoPLD activity in a micromolar range. Flavonols 0-9 ectonucleotide pyrophosphatase/phosphodiesterase 2 Homo sapiens 75-82 19917299-0 2010 Anti-depressant natural flavonols modulate BDNF and beta amyloid in neurons and hippocampus of double TgAD mice. Flavonols 24-33 brain derived neurotrophic factor Mus musculus 43-47 19917299-4 2010 We report here that ginkgo flavonols quercetin and kaempferol stimulates depression-related signaling pathways involving brain-derived neurotrophic factor BDNF/phosphorylation of cyclic AMP response element binding protein CREB/postsynaptic density proteins PSD95, and reduces amyloid-beta peptide (Abeta) in neurons isolated from double transgenic AD mouse (TgAPPswe/PS1e9). Flavonols 27-36 brain derived neurotrophic factor Mus musculus 155-159 20190095-3 2010 We have expressed an Arabidopsis (Arabidopsis thaliana) transcription factor, AtMYB12, in tobacco (Nicotiana tabacum), which resulted in enhanced expression of genes involved in the phenylpropanoid pathway, leading to severalfold higher accumulation of flavonols. Flavonols 253-262 myb domain protein 12 Arabidopsis thaliana 78-85 21117316-5 2010 The article discusses recent reports on the EpRE-mediated induction of NQO1 (NAD(P)H: quinone oxidoreductase) gene expression by the flavonoids (flavonols, flavones and flavan-3-oles) and the role of pro-oxidant properties of the flavonoids in the mechanism of this induction. Flavonols 145-154 NAD(P)H quinone dehydrogenase 1 Homo sapiens 71-75 21117316-5 2010 The article discusses recent reports on the EpRE-mediated induction of NQO1 (NAD(P)H: quinone oxidoreductase) gene expression by the flavonoids (flavonols, flavones and flavan-3-oles) and the role of pro-oxidant properties of the flavonoids in the mechanism of this induction. Flavonols 145-154 crystallin zeta Homo sapiens 86-108 19433090-3 2009 Nevertheless, other FLS activities must be present, because A. thalianafls1 mutants still accumulate significant amounts of flavonols. Flavonols 124-133 flavonol synthase 1 Arabidopsis thaliana 20-23 19487249-0 2009 Inhibition of human CYP2B6-catalyzed bupropion hydroxylation by Ginkgo biloba extract: effect of terpene trilactones and flavonols. Flavonols 121-130 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 20-26 19487249-5 2009 Therefore, we investigated the effect of G. biloba extract and some of its chemical constituents (terpene trilactones and flavonols) on the in vitro catalytic activity of CYP2B6 as assessed by the bupropion hydroxylation assay with recombinant enzyme and hepatic microsomes. Flavonols 122-131 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 171-177 19617894-11 2009 CONCLUSION: These data show that the flavonols quercetin and kaempferol have higher anti-invasion potency and higher MMP-3 inhibitory activity than isoflavones genistein, genistin and daidzein. Flavonols 37-46 matrix metallopeptidase 3 Homo sapiens 117-122 19914244-5 2010 Therefore, these flavones and flavonols utilize alternative mechanisms to influence the transcriptional activities of ERRgamma and PGC-1alpha. Flavonols 30-39 estrogen related receptor gamma Homo sapiens 118-126 19914244-5 2010 Therefore, these flavones and flavonols utilize alternative mechanisms to influence the transcriptional activities of ERRgamma and PGC-1alpha. Flavonols 30-39 PPARG coactivator 1 alpha Homo sapiens 131-141 19741049-5 2009 Transcript analysis of VvMYBF1 throughout grape berry development revealed its expression during flowering and in skins of ripening berries, which correlates with the accumulation of flavonols and expression of VvFLS1. Flavonols 183-192 R2R3 MYB 12 transcription factor Vitis vinifera 23-30 19433090-5 2009 This enzyme is therefore likely responsible for the formation of flavonols in the ldox/fls1-2 double mutant. Flavonols 65-74 leucoanthocyanidin dioxygenase Arabidopsis thaliana 82-86 19433090-5 2009 This enzyme is therefore likely responsible for the formation of flavonols in the ldox/fls1-2 double mutant. Flavonols 65-74 flavonol synthase 1 Arabidopsis thaliana 87-91 19433090-6 2009 These double mutant and biochemical data demonstrate for the first time that LDOX is capable of catalyzing the in planta formation of flavonols. Flavonols 134-143 leucoanthocyanidin dioxygenase Arabidopsis thaliana 77-81 17869316-4 2008 On the other hand, some flavones such as apigenin, flavonols such as quercetin, and anthraquinones such as emodin, showed notable inhibitory effects on the in vitro activation of AhR induced by the dioxin [2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)]. Flavonols 51-60 aryl hydrocarbon receptor Homo sapiens 179-182 19244381-0 2009 The flavonols quercetin, kaempferol, and myricetin inhibit hepatocyte growth factor-induced medulloblastoma cell migration. Flavonols 4-13 hepatocyte growth factor Homo sapiens 59-83 19244381-3 2009 Using immunoblotting procedures, we observed that the dietary-derived flavonols quercetin, kaempferol, and myricetin inhibited HGF/Met signaling in a medulloblastoma cell line (DAOY), preventing the formation of actin-rich membrane ruffles and resulting in the inhibition of Met-induced cell migration in Boyden chambers. Flavonols 70-79 hepatocyte growth factor Homo sapiens 127-130 19074529-0 2009 Mechanism of CYP2C9 inhibition by flavones and flavonols. Flavonols 47-56 cytochrome P450 family 2 subfamily C member 9 Homo sapiens 13-19 19074529-1 2009 This article describes an in vitro investigation of the inhibition of cytochrome P450 (P450) 2C9 by a series of flavonoids made up of flavones (flavone, 6-hydroxyflavone, 7-hydroxyflavone, chrysin, baicalein, apigenin, luteolin, scutellarein, and wogonin) and flavonols (galangin, fisetin, kaempferol, morin, and quercetin). Flavonols 260-269 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 70-96 19020811-2 2009 Since the activity of the other MDR transporter, P-glycoprotein, is sensitive to membrane perturbation, we aimed to check whether the changes in lipid bilayer properties induced by flavones (apigenin, acacetin) and flavonols (morin, myricetin) were related to their MRP1 inhibitory activity. Flavonols 215-224 ATP binding cassette subfamily B member 1 Homo sapiens 49-63 19129169-6 2009 Flavonols were the most drastically reduced flavonoids following shading and leaf removal treatments, related to the reduced expression of FLAVONOL SYNTHASE 4 and its putative transcriptional regulator MYB12. Flavonols 0-9 R2R3 MYB 12 transcription factor Vitis vinifera 202-207 18998159-1 2009 Flavonol synthase (FLS) (EC-number 1.14.11.23), the enzyme that catalyses the conversion of flavonols into dihydroflavonols, is part of the flavonoid biosynthesis pathway. Flavonols 92-101 flavonol synthase 1 Arabidopsis thaliana 0-17 18998159-1 2009 Flavonol synthase (FLS) (EC-number 1.14.11.23), the enzyme that catalyses the conversion of flavonols into dihydroflavonols, is part of the flavonoid biosynthesis pathway. Flavonols 92-101 flavonol synthase 1 Arabidopsis thaliana 19-22 18331776-6 2008 It was found that the treatment of OE33 cells with flavones and flavonols caused G2/M arrest through up-regulation of GADD45beta and 14-3-3sigma and down-regulation of cyclin B1 at the mRNA and protein levels, and induced p53-independent mitochondrial-mediated apoptosis through up-regulation of PIG3 and cleavage of caspase-9 and caspase-3. Flavonols 64-73 growth arrest and DNA damage inducible beta Homo sapiens 118-144 18643978-3 2008 AtMYB12 is able to induce the expression of additional target genes in tobacco, leading to the accumulation of very high levels of flavonols. Flavonols 131-140 myb domain protein 12 Arabidopsis thaliana 0-7 18657430-1 2008 Flavanone 3beta-hydroxylase (F3H; EC 1.14.11.9) is a 2-oxoglutarate dependent dioxygenase that catalyzes the synthesis of dihydrokaempferol, the common precursor for three major classes of 3-hydroxy flavonoids, the flavonols, anthocyanins, and proanthocyanidins. Flavonols 215-224 flavanone 3-hydroxylase Arabidopsis thaliana 0-27 18657430-1 2008 Flavanone 3beta-hydroxylase (F3H; EC 1.14.11.9) is a 2-oxoglutarate dependent dioxygenase that catalyzes the synthesis of dihydrokaempferol, the common precursor for three major classes of 3-hydroxy flavonoids, the flavonols, anthocyanins, and proanthocyanidins. Flavonols 215-224 flavanone 3-hydroxylase Arabidopsis thaliana 29-32 18700775-5 2008 Of the compounds investigated, the majority of flavones, flavonols, flavanones, and isoflavones were bound to betaLG. Flavonols 57-66 beta-lactoglobulin Bos taurus 110-116 18645237-0 2008 Structural evidence for the inhibition of grape dihydroflavonol 4-reductase by flavonols. Flavonols 79-88 dihydroflavonol 4-reductase Vitis vinifera 48-75 18645237-8 2008 The results suggest that flavonols could be inhibitors of the activity of DFR towards dihydroflavonols. Flavonols 25-34 dihydroflavonol 4-reductase Vitis vinifera 74-77 18467451-2 2008 This apparent redundancy suggests the possibility that Arabidopsis uses multiple isoforms of FLS with different substrate specificities to mediate the production of the flavonols, quercetin and kaempferol, in a tissue-specific and inducible manner. Flavonols 169-178 flavonol synthase 1 Arabidopsis thaliana 93-96 18718912-5 2008 Application of nanomolar concentrations of flavonols to pin2 roots is sufficient to partially restore root gravitropism. Flavonols 43-52 telomeric repeat binding factor 1 Homo sapiens 56-60 19008647-3 2008 To find activators or inhibitors to SIRT1, we examined thirty-six polyphenols, including stilbenes, chalcones, flavanones, and flavonols, with the SIRT1 deacetylase activity assay using the acetylated peptide of p53 as a substrate. Flavonols 127-136 sirtuin 1 Homo sapiens 147-152 18507367-2 2008 Four flavonols and three flavones, out of the 19 flavonoids tested, exhibited IC50 values less than 100 microM against human salivary alpha-amylase activity. Flavonols 5-14 amylase alpha 1A Homo sapiens 125-147 18331776-6 2008 It was found that the treatment of OE33 cells with flavones and flavonols caused G2/M arrest through up-regulation of GADD45beta and 14-3-3sigma and down-regulation of cyclin B1 at the mRNA and protein levels, and induced p53-independent mitochondrial-mediated apoptosis through up-regulation of PIG3 and cleavage of caspase-9 and caspase-3. Flavonols 64-73 cyclin B1 Homo sapiens 168-177 18331776-6 2008 It was found that the treatment of OE33 cells with flavones and flavonols caused G2/M arrest through up-regulation of GADD45beta and 14-3-3sigma and down-regulation of cyclin B1 at the mRNA and protein levels, and induced p53-independent mitochondrial-mediated apoptosis through up-regulation of PIG3 and cleavage of caspase-9 and caspase-3. Flavonols 64-73 tumor protein p53 Homo sapiens 222-225 18331776-6 2008 It was found that the treatment of OE33 cells with flavones and flavonols caused G2/M arrest through up-regulation of GADD45beta and 14-3-3sigma and down-regulation of cyclin B1 at the mRNA and protein levels, and induced p53-independent mitochondrial-mediated apoptosis through up-regulation of PIG3 and cleavage of caspase-9 and caspase-3. Flavonols 64-73 tumor protein p53 inducible protein 3 Homo sapiens 296-300 18331776-6 2008 It was found that the treatment of OE33 cells with flavones and flavonols caused G2/M arrest through up-regulation of GADD45beta and 14-3-3sigma and down-regulation of cyclin B1 at the mRNA and protein levels, and induced p53-independent mitochondrial-mediated apoptosis through up-regulation of PIG3 and cleavage of caspase-9 and caspase-3. Flavonols 64-73 caspase 9 Homo sapiens 317-326 18331776-6 2008 It was found that the treatment of OE33 cells with flavones and flavonols caused G2/M arrest through up-regulation of GADD45beta and 14-3-3sigma and down-regulation of cyclin B1 at the mRNA and protein levels, and induced p53-independent mitochondrial-mediated apoptosis through up-regulation of PIG3 and cleavage of caspase-9 and caspase-3. Flavonols 64-73 caspase 3 Homo sapiens 331-340 18567791-3 2008 Flavonols in the cell are glycosylated, and the repressor of lrx1 (rol1) mutants of Arabidopsis thaliana, affected in rhamnose biosynthesis, have a modified flavonol glycosylation profile. Flavonols 0-9 leucine-rich repeat/extensin 1 Arabidopsis thaliana 61-65 18567791-3 2008 Flavonols in the cell are glycosylated, and the repressor of lrx1 (rol1) mutants of Arabidopsis thaliana, affected in rhamnose biosynthesis, have a modified flavonol glycosylation profile. Flavonols 0-9 rhamnose biosynthesis 1 Arabidopsis thaliana 67-71 18414005-0 2008 Accumulation of flavonols in response to ultraviolet-B irradiation in soybean is related to induction of flavanone 3-beta-hydroxylase and flavonol synthase. Flavonols 16-25 flavonol synthase Glycine max 138-155 18295609-0 2008 Flavonols and flavones as BACE-1 inhibitors: structure-activity relationship in cell-free, cell-based and in silico studies reveal novel pharmacophore features. Flavonols 0-9 beta-secretase 1 Homo sapiens 26-32 18473744-5 2008 Studies on these isoforms with a range of environmental chemicals and dietary components have shown that SULT 1A1 is significantly inhibited by flavonoids; all flavones and flavonols with a 3",4"-dihydroxy motif had an IC(50) of < 100 nm against 3 microM 4-nitrophenol as the standard substrate. Flavonols 173-182 sulfotransferase family 1A member 1 Homo sapiens 105-113 18333618-0 2008 Influence of B-ring hydroxylation on interactions of flavonols with bovine serum albumin. Flavonols 53-62 albumin Homo sapiens 75-88 18321380-4 2008 Based on enzyme studies, the recombinant UGT is a 7-O-glycosyltransferase whose natural substrates include both anthocyanidins and flavonols such as kaempferol and quercetin. Flavonols 131-140 hydroquinone glucosyltransferase-like Solanum tuberosum 54-73 17886198-3 2007 Against recombinant human MMP-1, flavonols such as quercetin and kaempferol were strong inhibitors with IC50 values of 39.6 and 43.7 microM, respectively, while flavones such as apigenin and wogonin showed only weak inhibitory activity. Flavonols 33-42 matrix metallopeptidase 1 Homo sapiens 26-31 17693661-5 2007 Here we demonstrated that 3,3",4",5,5",7-hexahydroxyflavone (myricetin), one of the major flavonols in red wine, is a novel inhibitor of MEK1 activity and transformation of JB6 P+ mouse epidermal cells. Flavonols 90-99 mitogen-activated protein kinase kinase 1 Homo sapiens 137-141 17384531-6 2007 Analyses of structure-activity relationships of 45 flavones, flavonols and their related compounds showed that luteolin, ayanin, apigenin and fisetin were the strongest inhibitors of IL-4 production with an IC(50) value of 2-5 microM and determined a fundamental structure for the inhibitory activity. Flavonols 61-70 interleukin 4 Mus musculus 183-187 17141727-0 2007 Differential effects of flavonols on inactivation of alpha1-antitrypsin induced by hypohalous acids and the myeloperoxidase-hydrogen peroxide-halide system. Flavonols 24-33 serpin family A member 1 Homo sapiens 53-71 17601828-7 2007 TT12 does not transport glycosylated flavonols and procyanidin dimers, and a direct transport activity for catechin-3-O-glucoside, a glucosylated flavan-3-ol, was not detectable. Flavonols 37-46 MATE efflux family protein Arabidopsis thaliana 0-4 17601828-8 2007 However, catechin-3-O-glucoside inhibited TT12-mediated transport of cyanidin-3-O-glucoside in a dose-dependent manner, while flavan-3-ol aglycones and glycosylated flavonols had no effect on anthocyanin transport. Flavonols 165-174 MATE efflux family protein Arabidopsis thaliana 42-46 17141727-3 2007 The flavonols rutin, quercetin, myricetin, and kaempferol inhibited the inactivation of alpha1-antitrypsin by HOCl and HOBr with rutin having the most pronounced effect. Flavonols 4-13 serpin family A member 1 Homo sapiens 88-106 17268053-4 2007 On the other hand, flavone and flavonols such as rutin (a 3-glycosidic flavone), quercitrin (a 3-glycosidic flavonol), myricetin, and kaempferol (flavonols), respectively, lowered the CL intensity to a greater extent at low concentrations (<0.1 microM) when catalase was present than when catalase was absent, indicating that these flavonoids activate catalase. Flavonols 31-40 catalase Homo sapiens 261-269 17268053-4 2007 On the other hand, flavone and flavonols such as rutin (a 3-glycosidic flavone), quercitrin (a 3-glycosidic flavonol), myricetin, and kaempferol (flavonols), respectively, lowered the CL intensity to a greater extent at low concentrations (<0.1 microM) when catalase was present than when catalase was absent, indicating that these flavonoids activate catalase. Flavonols 31-40 catalase Homo sapiens 292-300 17268053-4 2007 On the other hand, flavone and flavonols such as rutin (a 3-glycosidic flavone), quercitrin (a 3-glycosidic flavonol), myricetin, and kaempferol (flavonols), respectively, lowered the CL intensity to a greater extent at low concentrations (<0.1 microM) when catalase was present than when catalase was absent, indicating that these flavonoids activate catalase. Flavonols 31-40 catalase Homo sapiens 292-300 17172639-3 2007 Robust inhibition of glucose and fructose transport by GLUT2 expressed in Xenopus laevis oocytes was produced by the flavonols myricetin, fisetin, the widely consumed flavonoid quercetin, and its glucoside precursor isoquercitrin [corrected]. Flavonols 117-126 solute carrier family 2 member 2 S homeolog Xenopus laevis 55-60 15912140-0 2005 Flavonols inhibit proinflammatory mediator release, intracellular calcium ion levels and protein kinase C theta phosphorylation in human mast cells. Flavonols 0-9 protein kinase C theta Homo sapiens 89-111 17635218-5 2007 Moreover, tapetum-specific overexpression of AtDOF4;2 led to pollen grains devoid of flavonols. Flavonols 85-94 Dof-type zinc finger domain-containing protein Arabidopsis thaliana 45-53 17083738-9 2006 Most interestingly was the opposite temporal fluctuation in transcript abundance between early responsive genes in defense (CHS and IFS1) and F3H, the gene encoding a pivotal enzyme in the synthesis of anthocyanins, proanthocyanidins and flavonols. Flavonols 238-247 isoflavone synthase 1 Glycine max 132-136 17083738-9 2006 Most interestingly was the opposite temporal fluctuation in transcript abundance between early responsive genes in defense (CHS and IFS1) and F3H, the gene encoding a pivotal enzyme in the synthesis of anthocyanins, proanthocyanidins and flavonols. Flavonols 238-247 flavanone 3-hydroxylase Glycine max 142-145 16787048-12 2006 It is possible that an absorption mechanism other than the SGLT1 is involved, which has a structural preference toward flavonols. Flavonols 119-128 solute carrier family 5 (sodium/glucose cotransporter), member 1 Mus musculus 59-64 16169200-5 2006 These flavonols at approximately 0.5 LD50 doses suppressed the vascular endothelial growth factor (VEGF)-stimulated HUVEC tubular structure formation by: M (47%) > Q (37%) > K (15%) > G (14%), which was not linearly associated with their numbers of -OH moieties. Flavonols 6-15 vascular endothelial growth factor A Homo sapiens 63-97 16169200-5 2006 These flavonols at approximately 0.5 LD50 doses suppressed the vascular endothelial growth factor (VEGF)-stimulated HUVEC tubular structure formation by: M (47%) > Q (37%) > K (15%) > G (14%), which was not linearly associated with their numbers of -OH moieties. Flavonols 6-15 vascular endothelial growth factor A Homo sapiens 99-103 16249367-2 2006 We have synthesized a new beta-lactam with an N-linked galloyl moiety, the latter identified as strategic in conferring anti-LE properties to some flavonols. Flavonols 147-156 elastase, neutrophil expressed Homo sapiens 125-127 16358292-1 2006 Common substitution positions of flavonols are at C-5 and C-7; 6-substituted flavonol derivatives are rarely found in natural sources. Flavonols 33-42 complement C5 Homo sapiens 50-53 16358292-1 2006 Common substitution positions of flavonols are at C-5 and C-7; 6-substituted flavonol derivatives are rarely found in natural sources. Flavonols 33-42 complement C7 Homo sapiens 58-61 16434028-8 2006 In RAW264.7 cells, a monocyte/macrophage precursor for osteoclasts, both kaempferol and quercetin dose-dependently inhibited the receptor activator of NF-kappaB ligand (RANKL)-induced immediate-early oncogene c-fos expression at 6 h. After 3-5 days, both flavonols robustly inhibited RANKL-induced expression of the osteoclastic differentiation markers, RANK and calcitonin receptor. Flavonols 255-264 tumor necrosis factor (ligand) superfamily, member 11 Mus musculus 129-167 16434028-8 2006 In RAW264.7 cells, a monocyte/macrophage precursor for osteoclasts, both kaempferol and quercetin dose-dependently inhibited the receptor activator of NF-kappaB ligand (RANKL)-induced immediate-early oncogene c-fos expression at 6 h. After 3-5 days, both flavonols robustly inhibited RANKL-induced expression of the osteoclastic differentiation markers, RANK and calcitonin receptor. Flavonols 255-264 tumor necrosis factor (ligand) superfamily, member 11 Mus musculus 169-174 16434028-9 2006 Consistent with down regulation of these osteoclastic differentiation markers, both flavonols strongly attenuated the RANKL-induced formation of multinucleated osteoclasts. Flavonols 84-93 tumor necrosis factor (ligand) superfamily, member 11 Mus musculus 118-123 15912140-8 2005 These flavonols suppressed intracellular calcium ion elevations in a dose-response manner, with morin being the weakest; they also inhibited phosphorylation of the calcium-insensitive protein kinase C theta (PKC theta). Flavonols 6-15 protein kinase C theta Homo sapiens 184-206 15912140-8 2005 These flavonols suppressed intracellular calcium ion elevations in a dose-response manner, with morin being the weakest; they also inhibited phosphorylation of the calcium-insensitive protein kinase C theta (PKC theta). Flavonols 6-15 protein kinase C theta Homo sapiens 208-217 15821875-1 2005 Chalcone synthase (CHS), chalcone flavanone isomerase (CFI), flavanone 3-hydroxylase (F3H) and flavonol synthase (FLS) catalyze successive steps in the biosynthetic pathway leading to the production of flavonols. Flavonols 202-211 Chalcone-flavanone isomerase family protein Arabidopsis thaliana 25-53 15832817-5 2005 Thus, flavonols only inhibited transcription factor AP-1 activation, whereas isoflavones suppressed the DNA binding activation of NF-kappaB and C/EBPbeta. Flavonols 6-15 jun proto-oncogene Mus musculus 52-56 15688188-9 2005 Both flavonols increased nuclear ERbeta protein and decreased ERalpha protein of osteoclast progenitors. Flavonols 5-14 estrogen receptor 2 Homo sapiens 33-39 15688188-9 2005 Both flavonols increased nuclear ERbeta protein and decreased ERalpha protein of osteoclast progenitors. Flavonols 5-14 estrogen receptor 1 Homo sapiens 62-69 15688188-12 2005 Thus, the anti-resorbing properties of flavonols are mainly mediated by ER proteins through the inhibition of RANK protein or the activation of caspases. Flavonols 39-48 caspase 8 Homo sapiens 144-152 15828450-2 2005 This study demonstrates that some putative flavonoids, i.e., flavonols (quercetin and kaempferol) and isoflavones (genistein and daidzein) markedly increase the sensitivity of the multidrug-resistant human cervical carcinoma KB-V1 cells (high Pgp expression) to vinblastine and paclitaxel dose-dependently, and also decrease the relative resistance of these anti-cancer-drugs in KB-V1 cells. Flavonols 61-70 ATP binding cassette subfamily B member 1 Homo sapiens 243-246 15828450-5 2005 The flavonols increased the inhibitory effectiveness of Pgp activity in MDR KB-V1 cells more than isoflavones. Flavonols 4-13 ATP binding cassette subfamily B member 1 Homo sapiens 56-59 15828450-6 2005 Only treatment with flavonols up to 48 h was able to significantly decrease the Pgp expression in a dose-dependent manner in KB-V1 cells. Flavonols 20-29 ATP binding cassette subfamily B member 1 Homo sapiens 80-83 15828450-7 2005 These findings provide evidence that flavonols reduced Pgp expression and function resulting in the inhibition of Pgp activity, but isoflavones modulated intracellular drug levels by inhibiting Pgp function with no effect on Pgp expression. Flavonols 37-46 ATP binding cassette subfamily B member 1 Homo sapiens 55-58 15828450-7 2005 These findings provide evidence that flavonols reduced Pgp expression and function resulting in the inhibition of Pgp activity, but isoflavones modulated intracellular drug levels by inhibiting Pgp function with no effect on Pgp expression. Flavonols 37-46 ATP binding cassette subfamily B member 1 Homo sapiens 114-117 15828450-7 2005 These findings provide evidence that flavonols reduced Pgp expression and function resulting in the inhibition of Pgp activity, but isoflavones modulated intracellular drug levels by inhibiting Pgp function with no effect on Pgp expression. Flavonols 37-46 ATP binding cassette subfamily B member 1 Homo sapiens 114-117 15828450-7 2005 These findings provide evidence that flavonols reduced Pgp expression and function resulting in the inhibition of Pgp activity, but isoflavones modulated intracellular drug levels by inhibiting Pgp function with no effect on Pgp expression. Flavonols 37-46 ATP binding cassette subfamily B member 1 Homo sapiens 114-117 15923334-8 2005 Quantitative real time reverse transcription-PCR using these mutant plants showed MYB12 to be a transcriptional regulator of CHALCONE SYNTHASE and FLAVONOL SYNTHASE in planta, the gene products of which are indispensable for the biosynthesis of flavonols. Flavonols 245-254 myb domain protein 12 Arabidopsis thaliana 82-87 15923334-8 2005 Quantitative real time reverse transcription-PCR using these mutant plants showed MYB12 to be a transcriptional regulator of CHALCONE SYNTHASE and FLAVONOL SYNTHASE in planta, the gene products of which are indispensable for the biosynthesis of flavonols. Flavonols 245-254 Chalcone and stilbene synthase family protein Arabidopsis thaliana 125-142 15914907-2 2005 Our previous study found that flavones and flavonols at dietary levels suppress AhR transformation. Flavonols 43-52 aryl-hydrocarbon receptor Mus musculus 80-83 15832299-5 2005 While for catechin and epicatechin the first ionizable OH group occurs in ring 1 and the second ionizable group in ring 2, in flavonols the first deprotonation occurs in ring 2 and the second in ring 1. Flavonols 126-135 ring finger protein 2 Homo sapiens 115-121 15832299-5 2005 While for catechin and epicatechin the first ionizable OH group occurs in ring 1 and the second ionizable group in ring 2, in flavonols the first deprotonation occurs in ring 2 and the second in ring 1. Flavonols 126-135 ring finger protein 2 Homo sapiens 170-176 15832299-5 2005 While for catechin and epicatechin the first ionizable OH group occurs in ring 1 and the second ionizable group in ring 2, in flavonols the first deprotonation occurs in ring 2 and the second in ring 1. Flavonols 126-135 ring finger protein 1 Homo sapiens 195-201 15821875-1 2005 Chalcone synthase (CHS), chalcone flavanone isomerase (CFI), flavanone 3-hydroxylase (F3H) and flavonol synthase (FLS) catalyze successive steps in the biosynthetic pathway leading to the production of flavonols. Flavonols 202-211 Chalcone-flavanone isomerase family protein Arabidopsis thaliana 55-58 15821875-1 2005 Chalcone synthase (CHS), chalcone flavanone isomerase (CFI), flavanone 3-hydroxylase (F3H) and flavonol synthase (FLS) catalyze successive steps in the biosynthetic pathway leading to the production of flavonols. Flavonols 202-211 flavanone 3-hydroxylase Arabidopsis thaliana 61-84 15821875-1 2005 Chalcone synthase (CHS), chalcone flavanone isomerase (CFI), flavanone 3-hydroxylase (F3H) and flavonol synthase (FLS) catalyze successive steps in the biosynthetic pathway leading to the production of flavonols. Flavonols 202-211 flavanone 3-hydroxylase Arabidopsis thaliana 86-89 15821875-1 2005 Chalcone synthase (CHS), chalcone flavanone isomerase (CFI), flavanone 3-hydroxylase (F3H) and flavonol synthase (FLS) catalyze successive steps in the biosynthetic pathway leading to the production of flavonols. Flavonols 202-211 flavonol synthase 1 Arabidopsis thaliana 95-112 15043421-0 2004 Effects of natural flavones and flavonols on the kinase activity of Cdk5. Flavonols 32-41 cyclin dependent kinase 5 Homo sapiens 68-72 15013846-0 2004 Stimulatory effect of naturally occurring flavonols quercetin and kaempferol on alkaline phosphatase activity in MG-63 human osteoblasts through ERK and estrogen receptor pathway. Flavonols 42-51 alkaline phosphatase, placental Homo sapiens 80-100 15013846-0 2004 Stimulatory effect of naturally occurring flavonols quercetin and kaempferol on alkaline phosphatase activity in MG-63 human osteoblasts through ERK and estrogen receptor pathway. Flavonols 42-51 mitogen-activated protein kinase 1 Homo sapiens 145-148 15013846-3 2004 In this study, we investigated the in vitro effect of two widespread flavonols, quercetin and kaempferol, on alkaline phosphatase (ALP) activity in MG-63 cultured human osteoblasts. Flavonols 69-78 alkaline phosphatase, placental Homo sapiens 109-129 15013846-3 2004 In this study, we investigated the in vitro effect of two widespread flavonols, quercetin and kaempferol, on alkaline phosphatase (ALP) activity in MG-63 cultured human osteoblasts. Flavonols 69-78 alkaline phosphatase, placental Homo sapiens 131-134 15013846-4 2004 We found that both flavonols significantly increased ALP activity. Flavonols 19-28 alkaline phosphatase, placental Homo sapiens 53-56 15013846-6 2004 Western blot studies confirmed that ERK is rapidly activated in cells treated by both flavonols. Flavonols 86-95 mitogen-activated protein kinase 1 Homo sapiens 36-39 15013846-8 2004 The data presented in this study support the conclusion that, in MG-63 osteoblasts (i) the increase in ALP activity by flavonols involves a rapid stimulation of ERK activation but also involves the ER, and that (ii) the activation of ERK by flavonols occurs most likely downstream of the ERs activation. Flavonols 119-128 alkaline phosphatase, placental Homo sapiens 103-106 15013846-8 2004 The data presented in this study support the conclusion that, in MG-63 osteoblasts (i) the increase in ALP activity by flavonols involves a rapid stimulation of ERK activation but also involves the ER, and that (ii) the activation of ERK by flavonols occurs most likely downstream of the ERs activation. Flavonols 119-128 mitogen-activated protein kinase 1 Homo sapiens 161-164 15013846-8 2004 The data presented in this study support the conclusion that, in MG-63 osteoblasts (i) the increase in ALP activity by flavonols involves a rapid stimulation of ERK activation but also involves the ER, and that (ii) the activation of ERK by flavonols occurs most likely downstream of the ERs activation. Flavonols 119-128 mitogen-activated protein kinase 1 Homo sapiens 234-237 15013846-8 2004 The data presented in this study support the conclusion that, in MG-63 osteoblasts (i) the increase in ALP activity by flavonols involves a rapid stimulation of ERK activation but also involves the ER, and that (ii) the activation of ERK by flavonols occurs most likely downstream of the ERs activation. Flavonols 241-250 alkaline phosphatase, placental Homo sapiens 103-106 15013846-8 2004 The data presented in this study support the conclusion that, in MG-63 osteoblasts (i) the increase in ALP activity by flavonols involves a rapid stimulation of ERK activation but also involves the ER, and that (ii) the activation of ERK by flavonols occurs most likely downstream of the ERs activation. Flavonols 241-250 mitogen-activated protein kinase 1 Homo sapiens 234-237 14969565-4 2004 A red wine fraction rich in polymeric flavanols and a white wine one rich in phenolic acids, flavonols, and tyrosol strongly lowered Hsp27 levels. Flavonols 93-102 heat shock protein family B (small) member 1 Homo sapiens 133-138 15072439-10 2004 Certain natural flavonols (e.g., kaempferol, quercetin, and galangin) are potent stimulators of the Pgp-mediated efflux of 7,12-dimethylbenz(a)-anthracene (a carcinogen). Flavonols 16-25 ATP binding cassette subfamily B member 1 Homo sapiens 100-103 15630228-2 2004 We have previously demonstrated that certain natural flavones and flavonols at the dietary levels suppress AhR transformation. Flavonols 66-75 aryl-hydrocarbon receptor Mus musculus 107-110 14646171-5 2003 These results suggested that the impairment of mast cell degranulation by several flavonoids classified into flavones and flavonols might be mediated via inhibition of the intracellular activation of Syk. Flavonols 122-131 spleen associated tyrosine kinase Homo sapiens 200-203 14646185-4 2003 Among them, flavones, flavonols, anthraquinones, piperine, coumestrol, brevifolincarboxylic acid, and resveratrol showed marked inhibitory effects on AhR-based bioassay activation by TCDD, and their effects were dose dependent. Flavonols 22-31 aryl hydrocarbon receptor Homo sapiens 150-153 14750022-18 2003 However, if the C-3 hydroxy group on the C-ring of flavonols, but not flavones which lack this hydroxy group, is methoxylated, the relaxant effects may increase. Flavonols 51-60 complement C3 Cavia porcellus 16-19 14977446-3 2003 Flavones, flavonols, and chalcone are the most potent inhibitors of production of TNF-alpha. Flavonols 10-19 tumor necrosis factor Mus musculus 82-91