PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 8487265-4 1993 In terms of the parameter (turnover number)/Km, the bulky naphthyl analogs were invariably better substrates of MAO A than kynuramine, the reference substrate for this enzyme. Kynuramine 123-133 monoamine oxidase A Homo sapiens 112-117 3821373-1 1987 Type A monoamine oxidase (MAO-A) in human placental mitochondria was competitively inhibited by naturally occurring substances, quinoline and quinaldine, using kynuramine as substrate. Kynuramine 160-170 monoamine oxidase A Homo sapiens 7-24 8443155-4 1993 The second-order rate constant for the reoxidation was highest with monoamine oxidase A when kynuramine was the ligand (508 x 10(3) M-1 s-1) compared to 4 x 10(3) M-1 s-1 in its absence. Kynuramine 93-103 monoamine oxidase A Homo sapiens 68-87 3247497-4 1988 Inhibition of MAO-A of human placental mitochondria by L- and D-DOPA was non-competitive with the substrate kynuramine (Ki = 154 microM and 133 microM, respectively). Kynuramine 108-118 monoamine oxidase A Homo sapiens 14-19 2883261-4 1987 At the lower concentrations MPP+ inhibited MAO noncompetitively with respect to the substrate, kynuramine, and at the higher concentrations it increased both the Km and the Vmax values of MAO toward the substrate. Kynuramine 95-105 monoamine oxidase A Rattus norvegicus 43-46 2809594-3 1989 These values were similar to or even better than those of kynuramine and benzylamine, good substrates for MAO-A and MAO-B, respectively. Kynuramine 58-68 monoamine oxidase A Homo sapiens 106-111 2809594-3 1989 These values were similar to or even better than those of kynuramine and benzylamine, good substrates for MAO-A and MAO-B, respectively. Kynuramine 58-68 monoamine oxidase B Homo sapiens 116-121 2720850-2 1989 TL-1 showed mixed-type inhibition of MAO in mouse liver when kynuramine was used as a substrate, and the IC50 was 6.6 microM. Kynuramine 61-71 tumor necrosis factor (ligand) superfamily, member 15 Mus musculus 0-4 20504500-5 1989 MAO was inhibited by NMIQ(+) in competition with a substrate, kynuramine, and the K(i) value was 20 ?M. Kynuramine 62-72 monoamine oxidase A Rattus norvegicus 0-3 3601232-2 1987 MAO-A was found to be markedly inhibited by BQ competitively with the substrate, kynuramine, while MAO-B was less sensitive to this inhibitor and the inhibition was non-competitive with the substrate. Kynuramine 81-91 monoamine oxidase A Rattus norvegicus 0-5 3821373-1 1987 Type A monoamine oxidase (MAO-A) in human placental mitochondria was competitively inhibited by naturally occurring substances, quinoline and quinaldine, using kynuramine as substrate. Kynuramine 160-170 monoamine oxidase A Homo sapiens 26-31 6335034-4 1984 Additionally, MAO A, isolated from human placenta, oxidizes MPTP to the same product at about 12% of the rate of kynuramine, again with a comparable Km value. Kynuramine 113-123 monoamine oxidase A Homo sapiens 14-19 2952905-2 1987 By kinetic analysis, the inhibition of MAO-B activity by QUIN was competitive with the substrate, kynuramine. Kynuramine 98-108 monoamine oxidase B Homo sapiens 39-44 2420928-1 1986 Monoamine oxidase (MAO) type A and type B were measured using kynuramine, 3,4-dihydroxyphenylethylamine (dopamine, DA), and 5-hydroxytryptamine (5-HT, serotonin) in 20 brain areas. Kynuramine 62-72 monoamine oxidase A Homo sapiens 0-41 3494215-3 1987 By kinetic analysis, MPP+ was found to inhibit MAO-A in competition with the substrate, kynuramine. Kynuramine 88-98 monoamine oxidase A Homo sapiens 47-52 6877035-0 1983 Localization of rat striatal monoamine oxidase activities towards dopamine, serotonin and kynuramine by gradient centrifugation and nigro-striatal lesions. Kynuramine 90-100 monoamine oxidase A Rattus norvegicus 29-46 6877035-3 1983 As 5HT is specifically deaminated by MAO-A while KYN is a common MAO substrate, this supports earlier suggestions that in rat striatal preparations DA is deaminated preferentially by MAO-A. Kynuramine 49-52 monoamine oxidase A Rattus norvegicus 183-188 6877035-2 1983 The distribution pattern of monoamine oxidase (MAO) activity towards dopamine (DA) was very similar to the pattern of MAO activity towards serotonin (5HT), but differed from the pattern of MAO activity towards kynuramine (KYN). Kynuramine 222-225 monoamine oxidase A Rattus norvegicus 47-50 510362-6 1979 Differences in rat heart MAO seem to be exposed by some substrates but not others, such as kynuramine. Kynuramine 91-101 monoamine oxidase A Rattus norvegicus 25-28 7098495-2 1982 Kynuramine, a substrate for both types of MAO, was used and the sources of enzyme were rat heart (type A) and mouse heart (type B). Kynuramine 0-10 monoamine oxidase A Rattus norvegicus 42-45 476201-5 1979 Both in the PS and PF rats, hepatic MAO activity was strongly decreased when assayed with kynuramine. Kynuramine 90-100 monoamine oxidase A Rattus norvegicus 36-39 476201-6 1979 In U rats, hepatic MAO activity was highly increased when assayed with kynuramine but the other tissues responded differently. Kynuramine 71-81 monoamine oxidase A Rattus norvegicus 19-22 1262860-3 1976 When the activity of MAO was plotted as % of the highest specific activity towards tyramine, kynuramine oxidation remained fairly constant in fractions 10 to 30 but tyramine and dopamine showed separate peaks of activity in fractions 21 and 32 respectively. Kynuramine 93-103 monoamine oxidase A Rattus norvegicus 21-24 877399-1 1977 Monoamine oxidase (MAO) activity was characterized using whole tissue homogenates and kynuramine as the substrate. Kynuramine 86-96 monoamine oxidase A Rattus norvegicus 0-17 877399-1 1977 Monoamine oxidase (MAO) activity was characterized using whole tissue homogenates and kynuramine as the substrate. Kynuramine 86-96 monoamine oxidase A Rattus norvegicus 19-22 877399-3 1977 These studies, and mixed substrate experiments with tryptamine, proved that kynuramine is a substrate for MAO types A and B. Kynuramine 76-86 monoamine oxidase A Rattus norvegicus 106-109 938797-6 1976 3 MAO activity towards kynuramine, tyramine and dopamine increased after birth in all brain regions and also in the liver, to reach maximal values between days 40 and 80. Kynuramine 23-33 monoamine oxidase A Rattus norvegicus 2-5 26810928-13 2016 The MAO-A and -B activities were evaluated in vitro by an end-point method using kynuramine as the substrate and mitochondrial suspension or human recombinant enzymes as the enzymatic source. Kynuramine 81-91 monoamine oxidase A Homo sapiens 4-16 30809547-5 2019 Kynuramine metabolism by human recombinant MAO-A and MAO-B leads to formation of 4-hydroxyquinoline, with Vmax values of 10.2+-0.2 and 7.35+-0.69 nmol/mg/min, respectively, and Km values of 23.1+-0.8 muM and 18.0+-2.3 muM, respectively. Kynuramine 0-10 monoamine oxidase A Homo sapiens 43-48 30809547-5 2019 Kynuramine metabolism by human recombinant MAO-A and MAO-B leads to formation of 4-hydroxyquinoline, with Vmax values of 10.2+-0.2 and 7.35+-0.69 nmol/mg/min, respectively, and Km values of 23.1+-0.8 muM and 18.0+-2.3 muM, respectively. Kynuramine 0-10 monoamine oxidase B Homo sapiens 53-58 27028260-4 2016 The inhibitory activity of the compounds against MAO-A and MAO-B enzymes was evaluated by using in vitro flurometric method in which kynuramine was used as a substrate. Kynuramine 133-143 monoamine oxidase A Homo sapiens 49-54 27028260-4 2016 The inhibitory activity of the compounds against MAO-A and MAO-B enzymes was evaluated by using in vitro flurometric method in which kynuramine was used as a substrate. Kynuramine 133-143 monoamine oxidase B Homo sapiens 59-64 1164597-1 1975 6-Hydroxydopamine (6-OHDA) inhibits rat brain mitochondrial monoamine oxidase (MAO) when kynuramine or dopamine are used as substrates. Kynuramine 89-99 monoamine oxidase A Rattus norvegicus 60-77 1164597-1 1975 6-Hydroxydopamine (6-OHDA) inhibits rat brain mitochondrial monoamine oxidase (MAO) when kynuramine or dopamine are used as substrates. Kynuramine 89-99 monoamine oxidase A Rattus norvegicus 79-82 5420143-11 1970 Tyrosine in the brain showed a 30 to 96% increase in concentration and MAO activity, using kynuramine as substrate, showed an approximately 5% increase 0.5 to 2 h after the subcutaneous administration of 500 mg/kg sodium diethyldithiocarbamate.6. Kynuramine 91-101 monoamine oxidase A Rattus norvegicus 71-74 31714755-6 2019 The PcncAAAD-catalyzed decarboxylation products, kynuramine and 3-hydroxykynuramine, could further be converted to quinoline scaffolds through the addition of H. sapiens monoamine oxidase A (HsMAO-A). Kynuramine 49-59 monoamine oxidase A Homo sapiens 170-189 26579577-0 2015 Kynuramines induce overexpression of heat shock proteins in pancreatic cancer cells via 5-hydroxytryptamine and MT1/MT2 receptors. Kynuramine 0-11 metallothionein 1I, pseudogene Homo sapiens 112-129 19883764-8 2010 Compared with human MAO A, rat MAO A oxidizes serotonin or kynuramine with twofold higher k(cat)/K(m) values, oxidizes phenethylamine with a 6.7-fold higher catalytic efficiency and benzylamine with a approximately 40-fold higher catalytic efficiency. Kynuramine 59-69 monoamine oxidase A Rattus norvegicus 31-36 25857233-3 2015 In the present study, we found eight active compounds isolated from V. cinerea that comprise inhibitory activity toward CYP2A6 and MAO-A and MAO-B enzymes using activity-guided assays, with coumarin as substrate of CYP2A6 and kynuramine of MAOs. Kynuramine 226-236 cytochrome P450 family 2 subfamily A member 6 Homo sapiens 120-126 25857233-3 2015 In the present study, we found eight active compounds isolated from V. cinerea that comprise inhibitory activity toward CYP2A6 and MAO-A and MAO-B enzymes using activity-guided assays, with coumarin as substrate of CYP2A6 and kynuramine of MAOs. Kynuramine 226-236 monoamine oxidase A Homo sapiens 131-136 18036149-5 2008 Double immunofluorescent labeling and spectrofluorimetric assay via kynuramine oxidation showed MAO-B expression and activity in SC neurons. Kynuramine 68-78 monoamine oxidase B Mus musculus 96-101 9675034-5 1998 17beta-Estradiol treatment for 2 weeks significantly increased (P < 0.01) MAO activity in the hamster kidney (76.7 +/- 10.0 and 113.0 +/- 10.8% over controls for the substrates tyramine and kynuramine, respectively). Kynuramine 193-203 monoamine oxidase A Rattus norvegicus 77-80 17401535-2 2007 The pH dependence of the kinetic parameters for kynuramine oxidation by purified human MAO-A and for phenylethylamine oxidation by MAO-B in granulocytes at pH values from 5 to 10 was consistent with the protonated amine being used. Kynuramine 48-58 monoamine oxidase A Homo sapiens 87-92 16139309-3 2006 In this paper, "ready to drink" coffee brews exhibited inhibitory properties on recombinant human MAO A and B isozymes catalyzing the oxidative deamination of kynuramine, suggesting that coffee contains compounds acting as MAO inhibitors. Kynuramine 159-169 monoamine oxidase A Homo sapiens 98-103 11812236-7 2002 The steady-state kinetic properties of P. pastoris-expressed MAO-A are similar to those of S. cerevisiae-expressed MAO-A using the following substrates: phenethylamine, p-CF(3)-benzylamine, dopamine, serotonin, and kynuramine. Kynuramine 215-225 monoamine oxidase A Homo sapiens 61-66 11812236-7 2002 The steady-state kinetic properties of P. pastoris-expressed MAO-A are similar to those of S. cerevisiae-expressed MAO-A using the following substrates: phenethylamine, p-CF(3)-benzylamine, dopamine, serotonin, and kynuramine. Kynuramine 215-225 monoamine oxidase A Homo sapiens 115-120 9874092-5 1998 Kynuramine inhibited the metabolism of benzylamine by SSAO with high affinity in a non-competitive manner. Kynuramine 0-10 amine oxidase copper containing 2 Homo sapiens 54-58 17480205-3 2007 When purified human monoamine oxidase A was used to examine the interaction with the active site, inhibition by guanabenz, 2-(2-benzofuranyl)-2-imidazoline and idazoxan was competitive with kynuramine as substrate, giving K(i) values of 3 microM, 26 microM and 125 microM, respectively. Kynuramine 190-200 monoamine oxidase A Homo sapiens 20-39 15694196-6 2005 The platelet MAO-B activity was determined fluorimetrically using kynuramine as a substrate. Kynuramine 66-76 monoamine oxidase B Homo sapiens 13-18 15095350-2 2004 The method used kynuramine as a common substrate for both MAO-A and MAO-B in incubations, and the 4-hydroxyquinoline (4-HQ) resulting from deamination of kynuramine followed by intramolecular condensation was analyzed using LC/MS/MS; formation of 4-HQ was used as the marker of MAO activity to evaluate the effects of test compounds. Kynuramine 16-26 monoamine oxidase A Homo sapiens 58-63 11833714-2 2001 Coptisine showed an inhibitory effect on MAO-A activity in a concentration-dependent manner using a substrate kynuramine, but coptisine did not inhibit MAO-B activity. Kynuramine 110-120 monoamine oxidase A Mus musculus 41-46 11833714-5 2001 Coptisine competitively inhibited MAO-A activity with kynuramine. Kynuramine 54-64 monoamine oxidase A Mus musculus 34-39 11732903-2 2001 All mutant enzymes were expressed and exhibited lower specific activities as compared to WT MAO A using kynuramine as substrate. Kynuramine 104-114 monoamine oxidase A Homo sapiens 92-97 11732903-6 2001 Y444F MAO A oxidizes kynuramine with a k(cat) <2% of WT enzyme and is greater than 100-fold slower in catalyzing the oxidation of phenylethylamine or of serotonin. Kynuramine 21-31 monoamine oxidase A Homo sapiens 6-11 10606764-4 2000 Catalytic activities, as monitored by kynuramine oxidation, are equivalent to (MAO A) or 2-fold greater (MAO B) than control preparations expressed in the presence of riboflavin. Kynuramine 38-48 monoamine oxidase A Homo sapiens 79-84 7498967-6 1995 The tryptophan metabolite kynuramine, which possesses significant contractile activity at the 5-HT2B receptor, contracted hypertensive arteries significantly (50% of 5-HT maximum) but not sham arteries. Kynuramine 26-36 5-hydroxytryptamine receptor 2B Rattus norvegicus 94-100 8990278-4 1997 The oxidation of kynuramine by MAO A in the presence of the more effective inhibitors showed a lag period before reaching the steady state. Kynuramine 17-27 monoamine oxidase A Homo sapiens 31-36