PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Fidaxomicin 123-134 solute carrier family 51 subunit alpha Homo sapiens 56-69 33844255-9 2021 Serum OST-alpha and OST-beta levels can be used as diagnostic and monitoring markers of ICP, and the inhibition of these molecules could provide therapeutic benefit in ICP by reducing the circulation of enterohepatic bile acids. Bile Acids and Salts 217-227 solute carrier family 51 subunit alpha Homo sapiens 6-15 32711025-2 2020 Apical sodium-dependent bile acid transporter (ASBT), an ileal Na+-dependent transporter, plays the leading role of bile acid absorption into enterocytes, where bile acids are delivered to basolateral side by ileal bile acid binding protein (IBABP) and then released by organic solute transporter OSTalpha/beta. Bile Acids and Salts 24-33 solute carrier family 51 subunit alpha Homo sapiens 297-310 32711025-2 2020 Apical sodium-dependent bile acid transporter (ASBT), an ileal Na+-dependent transporter, plays the leading role of bile acid absorption into enterocytes, where bile acids are delivered to basolateral side by ileal bile acid binding protein (IBABP) and then released by organic solute transporter OSTalpha/beta. Bile Acids and Salts 161-171 solute carrier family 51 subunit alpha Homo sapiens 297-310 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. troglitazone sulfate 136-156 solute carrier family 51 subunit alpha Homo sapiens 56-69 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Ethinyl Estradiol 161-178 solute carrier family 51 subunit alpha Homo sapiens 56-69 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Taurochenodeoxycholic Acid 228-250 solute carrier family 51 subunit alpha Homo sapiens 56-69 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Glycochenodeoxycholic Acid 295-317 solute carrier family 51 subunit alpha Homo sapiens 56-69 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Taurocholic Acid 361-373 solute carrier family 51 subunit alpha Homo sapiens 56-69 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Glycocholic Acid 418-430 solute carrier family 51 subunit alpha Homo sapiens 56-69 32294204-6 2020 The potential role of OSTalpha/beta in hepatocellular glycine-conjugated bile acid accumulation and cholestatic DILI was evaluated using sandwich-cultured human hepatocytes (SCHH). Bile Acids and Salts 73-82 solute carrier family 51 subunit alpha Homo sapiens 22-35 32294204-7 2020 Treatment of SCHH with the farnesoid X receptor agonist chenodeoxycholate (100microM) resulted in substantial OSTalpha/beta induction, among other proteomic alterations, reducing glycochenodeoxycholate and glycocholate accumulation in cells+bile 4.0-fold and 4.5-fold, respectively. Chenodeoxycholic Acid 56-73 solute carrier family 51 subunit alpha Homo sapiens 110-123 32294204-7 2020 Treatment of SCHH with the farnesoid X receptor agonist chenodeoxycholate (100microM) resulted in substantial OSTalpha/beta induction, among other proteomic alterations, reducing glycochenodeoxycholate and glycocholate accumulation in cells+bile 4.0-fold and 4.5-fold, respectively. Glycochenodeoxycholic Acid 179-201 solute carrier family 51 subunit alpha Homo sapiens 110-123 32294204-7 2020 Treatment of SCHH with the farnesoid X receptor agonist chenodeoxycholate (100microM) resulted in substantial OSTalpha/beta induction, among other proteomic alterations, reducing glycochenodeoxycholate and glycocholate accumulation in cells+bile 4.0-fold and 4.5-fold, respectively. Glycocholic Acid 206-218 solute carrier family 51 subunit alpha Homo sapiens 110-123 32294204-8 2020 Treatment of SCHH with troglitazone and fidaxomicin together under cholestatic conditions resulted in increased hepatocellular toxicity compared to either compound alone, suggesting that OSTalpha/beta inhibition may accentuate DILI. Troglitazone 23-35 solute carrier family 51 subunit alpha Homo sapiens 187-200 32294204-8 2020 Treatment of SCHH with troglitazone and fidaxomicin together under cholestatic conditions resulted in increased hepatocellular toxicity compared to either compound alone, suggesting that OSTalpha/beta inhibition may accentuate DILI. Fidaxomicin 40-51 solute carrier family 51 subunit alpha Homo sapiens 187-200 32294204-9 2020 In conclusion, this study provides insights into the role of OSTalpha/beta in preferential disposition of bile acids associated with hepatotoxicity, the impact of xenobiotics on OSTalpha/beta-mediated bile acid transport, and the role of this transporter in SCHH and cholestatic DILI. Bile Acids and Salts 106-116 solute carrier family 51 subunit alpha Homo sapiens 61-74 32294204-9 2020 In conclusion, this study provides insights into the role of OSTalpha/beta in preferential disposition of bile acids associated with hepatotoxicity, the impact of xenobiotics on OSTalpha/beta-mediated bile acid transport, and the role of this transporter in SCHH and cholestatic DILI. Bile Acids and Salts 106-115 solute carrier family 51 subunit alpha Homo sapiens 61-74 29487110-10 2018 Increased basolateral efflux of TCA was consistent with increased OSTalpha/beta protein expression in OCA- and CDCA-treated SCHH. Taurocholic Acid 32-35 solute carrier family 51 subunit alpha Homo sapiens 66-79 32294204-0 2020 Role of Organic Solute Transporter Alpha/Beta in Hepatotoxic Bile Acid Transport and Drug Interactions. Bile Acids and Salts 61-70 solute carrier family 51 subunit alpha Homo sapiens 8-40 32294204-1 2020 Organic solute transporter (OST) alpha/beta is a key bile acid transporter expressed in various organs, including the liver under cholestatic conditions. Bile Acids and Salts 53-62 solute carrier family 51 subunit alpha Homo sapiens 0-43 32294204-4 2020 Kinetic studies with OSTalpha/beta-overexpressing cells revealed that OSTalpha/beta preferentially transported bile acids in the following order: taurochenodeoxycholate>glycochenodeoxycholate>taurocholate>glycocholate. Bile Acids and Salts 111-121 solute carrier family 51 subunit alpha Homo sapiens 21-34 32294204-4 2020 Kinetic studies with OSTalpha/beta-overexpressing cells revealed that OSTalpha/beta preferentially transported bile acids in the following order: taurochenodeoxycholate>glycochenodeoxycholate>taurocholate>glycocholate. Bile Acids and Salts 111-121 solute carrier family 51 subunit alpha Homo sapiens 70-83 32294204-4 2020 Kinetic studies with OSTalpha/beta-overexpressing cells revealed that OSTalpha/beta preferentially transported bile acids in the following order: taurochenodeoxycholate>glycochenodeoxycholate>taurocholate>glycocholate. Taurochenodeoxycholic Acid 146-168 solute carrier family 51 subunit alpha Homo sapiens 70-83 32294204-4 2020 Kinetic studies with OSTalpha/beta-overexpressing cells revealed that OSTalpha/beta preferentially transported bile acids in the following order: taurochenodeoxycholate>glycochenodeoxycholate>taurocholate>glycocholate. Glycochenodeoxycholic Acid 169-191 solute carrier family 51 subunit alpha Homo sapiens 70-83 32294204-4 2020 Kinetic studies with OSTalpha/beta-overexpressing cells revealed that OSTalpha/beta preferentially transported bile acids in the following order: taurochenodeoxycholate>glycochenodeoxycholate>taurocholate>glycocholate. Taurocholic Acid 192-204 solute carrier family 51 subunit alpha Homo sapiens 70-83 32294204-4 2020 Kinetic studies with OSTalpha/beta-overexpressing cells revealed that OSTalpha/beta preferentially transported bile acids in the following order: taurochenodeoxycholate>glycochenodeoxycholate>taurocholate>glycocholate. Glycocholic Acid 205-217 solute carrier family 51 subunit alpha Homo sapiens 70-83 32294204-5 2020 The apparent half-maximal inhibitory concentrations for OSTalpha/beta-mediated bile acid (5microM) transport inhibition by fidaxomicin, troglitazone sulfate and ethinyl estradiol were: 210, 334 and 1050microM, respectively, for taurochenodeoxycholate; 97.6, 333 and 337microM, respectively, for glycochenodeoxycholate; 140, 265 and 527microM, respectively, for taurocholate; 59.8, 102 and 117microM, respectively, for glycocholate. Bile Acids and Salts 79-88 solute carrier family 51 subunit alpha Homo sapiens 56-69 31863603-1 2020 SLC51A encodes the alpha subunit of the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta), an important contributor to intestinal bile acid (BA) reabsorption in the enterohepatic circulation(1,2). Bile Acids and Salts 149-158 solute carrier family 51 subunit alpha Homo sapiens 91-99 31863603-1 2020 SLC51A encodes the alpha subunit of the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta), an important contributor to intestinal bile acid (BA) reabsorption in the enterohepatic circulation(1,2). Bile Acids and Salts 160-162 solute carrier family 51 subunit alpha Homo sapiens 0-6 31863603-1 2020 SLC51A encodes the alpha subunit of the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta), an important contributor to intestinal bile acid (BA) reabsorption in the enterohepatic circulation(1,2). Bile Acids and Salts 160-162 solute carrier family 51 subunit alpha Homo sapiens 91-99 32005758-3 2020 In this study, we found OSTbeta (Organic solute transporter beta), an important bile acid export transporter, was significantly down-regulated in CRC. Bile Acids and Salts 80-89 solute carrier family 51 subunit alpha Homo sapiens 24-31 30853579-0 2019 Characterization of conjugated and unconjugated bile acid transport via human organic solute transporter alpha/beta. Bile Acids and Salts 48-57 solute carrier family 51 subunit alpha Homo sapiens 78-110 30853579-3 2019 Organic solute transporter (OST) alpha/beta, which is known as a bidirectional transporter for some organic anions, contributes to the transport of bile acids; however, the transport properties of individual bile acids are not well understood. Bile Acids and Salts 148-158 solute carrier family 51 subunit alpha Homo sapiens 0-38 30853579-3 2019 Organic solute transporter (OST) alpha/beta, which is known as a bidirectional transporter for some organic anions, contributes to the transport of bile acids; however, the transport properties of individual bile acids are not well understood. Bile Acids and Salts 208-218 solute carrier family 51 subunit alpha Homo sapiens 0-38 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Chenodeoxycholic Acid 47-51 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Deoxycholic Acid 48-51 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Glycochenodeoxycholic Acid 58-84 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Glycochenodeoxycholic Acid 86-91 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Glycodeoxycholic Acid 94-115 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Glycodeoxycholic Acid 117-121 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. glycolithocholic acid 124-145 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. glycolithocholic acid 147-151 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Taurochenodeoxycholic Acid 154-180 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Taurochenodeoxycholic Acid 182-187 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Taurolithocholic Acid 194-215 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-7 2019 Saturable OSTalpha/beta-mediated transports of CDCA, DCA, glycochenodeoxycholic acid (GCDCA), glycodeoxycholic acid (GDCA), glycolithocholic acid (GLCA), taurochenodeoxycholic acid (TCDCA), and taurolithocholic acid (TLCA) were observed. Taurolithocholic Acid 217-221 solute carrier family 51 subunit alpha Homo sapiens 10-18 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. Chenodeoxycholic Acid 36-40 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. Deoxycholic Acid 37-40 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. Glycochenodeoxycholic Acid 47-52 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. Glycodeoxycholic Acid 54-58 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. glycolithocholic acid 60-64 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. Taurochenodeoxycholic Acid 66-71 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-8 2019 The apparent Michaelis constants of CDCA, DCA, GCDCA, GDCA, GLCA, TCDCA, and TLCA for OSTalpha/beta were 23.0 +- 4.0, 14.9 +- 1.9, 864.2 +- 80.7, 586.4 +- 43.2, 12.8 +- 0.5, 723.7 +- 4.8, and 23.9 +- 0.3 muM, respectively. Taurolithocholic Acid 77-81 solute carrier family 51 subunit alpha Homo sapiens 86-99 30853579-10 2019 Our results indicate that OSTalpha/beta has a low affinity but a high capacity for transporting bile acids. Bile Acids and Salts 96-106 solute carrier family 51 subunit alpha Homo sapiens 26-39 30481467-5 2019 Seven compounds and one fixed-dose combination (100 muM final concentration) inhibited OSTalpha/beta-mediated dehydroepiandrosterone sulfate (DHEAS) uptake by >25%. Dehydroepiandrosterone Sulfate 110-140 solute carrier family 51 subunit alpha Homo sapiens 87-100 30481467-5 2019 Seven compounds and one fixed-dose combination (100 muM final concentration) inhibited OSTalpha/beta-mediated dehydroepiandrosterone sulfate (DHEAS) uptake by >25%. Dehydroepiandrosterone Sulfate 142-147 solute carrier family 51 subunit alpha Homo sapiens 87-100 30481467-6 2019 Concentration-dependent OSTalpha/beta inhibition was evaluated for all putative inhibitors (atorvastatin, ethinylestradiol, fidaxomicin, glycochenodeoxycholate, norgestimate, troglitazone, and troglitazone sulfate). Atorvastatin 92-104 solute carrier family 51 subunit alpha Homo sapiens 24-37 30481467-6 2019 Concentration-dependent OSTalpha/beta inhibition was evaluated for all putative inhibitors (atorvastatin, ethinylestradiol, fidaxomicin, glycochenodeoxycholate, norgestimate, troglitazone, and troglitazone sulfate). Glycochenodeoxycholic Acid 137-159 solute carrier family 51 subunit alpha Homo sapiens 24-37 31571170-5 2019 The role played by bile acid transport proteins (e.g., ASBT and OST-alpha/beta) is included in the discussion. Bile Acids and Salts 19-28 solute carrier family 51 subunit alpha Homo sapiens 64-73 28898457-3 2018 Another major transporter involved in the intestinal reclamation of bile acids is the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta; SLC51A-SLC51B), which exports bile acid across the basolateral membrane. Bile Acids and Salts 68-78 solute carrier family 51 subunit alpha Homo sapiens 137-145 28898457-3 2018 Another major transporter involved in the intestinal reclamation of bile acids is the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta; SLC51A-SLC51B), which exports bile acid across the basolateral membrane. Bile Acids and Salts 68-78 solute carrier family 51 subunit alpha Homo sapiens 155-161 28898457-3 2018 Another major transporter involved in the intestinal reclamation of bile acids is the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta; SLC51A-SLC51B), which exports bile acid across the basolateral membrane. Bile Acids and Salts 68-77 solute carrier family 51 subunit alpha Homo sapiens 137-145 28898457-3 2018 Another major transporter involved in the intestinal reclamation of bile acids is the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta; SLC51A-SLC51B), which exports bile acid across the basolateral membrane. Bile Acids and Salts 68-77 solute carrier family 51 subunit alpha Homo sapiens 155-161 28898457-8 2018 These studies underscore OSTalpha-OSTbeta"s key role in the enterohepatic circulation of bile acids in humans. Bile Acids and Salts 89-99 solute carrier family 51 subunit alpha Homo sapiens 25-33 29420067-6 2018 The effect of bile acids and drugs, including those associated with cholestatic drug-induced liver injury, on OSTalpha/beta-mediated transport was evaluated. Bile Acids and Salts 14-24 solute carrier family 51 subunit alpha Homo sapiens 110-118 29420067-8 2018 Studies in the novel cell-based system showed rapid and linear OSTalpha/beta-mediated transport for all tested compounds: dehydroepiandrosterone sulfate, digoxin, estrone sulfate, and taurocholate. Dehydroepiandrosterone Sulfate 122-152 solute carrier family 51 subunit alpha Homo sapiens 63-71 29420067-8 2018 Studies in the novel cell-based system showed rapid and linear OSTalpha/beta-mediated transport for all tested compounds: dehydroepiandrosterone sulfate, digoxin, estrone sulfate, and taurocholate. Digoxin 154-161 solute carrier family 51 subunit alpha Homo sapiens 63-71 29420067-8 2018 Studies in the novel cell-based system showed rapid and linear OSTalpha/beta-mediated transport for all tested compounds: dehydroepiandrosterone sulfate, digoxin, estrone sulfate, and taurocholate. estrone sulfate 163-178 solute carrier family 51 subunit alpha Homo sapiens 63-71 29420067-8 2018 Studies in the novel cell-based system showed rapid and linear OSTalpha/beta-mediated transport for all tested compounds: dehydroepiandrosterone sulfate, digoxin, estrone sulfate, and taurocholate. Taurocholic Acid 184-196 solute carrier family 51 subunit alpha Homo sapiens 63-71 29420067-9 2018 The interaction study with 26 compounds revealed novel OSTalpha/beta inhibitors: a biomarker for cholestasis, glycochenodeoxycholic acid; the major metabolite of troglitazone, troglitazone sulfate; and a macrocyclic antibiotic, fidaxomicin. Glycochenodeoxycholic Acid 110-136 solute carrier family 51 subunit alpha Homo sapiens 55-68 29420067-9 2018 The interaction study with 26 compounds revealed novel OSTalpha/beta inhibitors: a biomarker for cholestasis, glycochenodeoxycholic acid; the major metabolite of troglitazone, troglitazone sulfate; and a macrocyclic antibiotic, fidaxomicin. Troglitazone 162-174 solute carrier family 51 subunit alpha Homo sapiens 55-68 29420067-9 2018 The interaction study with 26 compounds revealed novel OSTalpha/beta inhibitors: a biomarker for cholestasis, glycochenodeoxycholic acid; the major metabolite of troglitazone, troglitazone sulfate; and a macrocyclic antibiotic, fidaxomicin. troglitazone sulfate 176-196 solute carrier family 51 subunit alpha Homo sapiens 55-68 29420067-9 2018 The interaction study with 26 compounds revealed novel OSTalpha/beta inhibitors: a biomarker for cholestasis, glycochenodeoxycholic acid; the major metabolite of troglitazone, troglitazone sulfate; and a macrocyclic antibiotic, fidaxomicin. Fidaxomicin 228-239 solute carrier family 51 subunit alpha Homo sapiens 55-68 29420067-10 2018 Additionally, some drugs (e.g., digoxin) consistently stimulated taurocholate uptake in OSTalpha/beta-overexpressing cells. Digoxin 32-39 solute carrier family 51 subunit alpha Homo sapiens 88-101 29420067-10 2018 Additionally, some drugs (e.g., digoxin) consistently stimulated taurocholate uptake in OSTalpha/beta-overexpressing cells. Taurocholic Acid 65-77 solute carrier family 51 subunit alpha Homo sapiens 88-101 29420067-11 2018 Our findings demonstrate that OSTalpha/beta is an important transporter in liver disease and imply a role for this transporter in bile acid-bile acid and drug-bile acid interactions, as well as cholestatic drug-induced liver injury. Bile Acids and Salts 130-139 solute carrier family 51 subunit alpha Homo sapiens 30-43 29420067-11 2018 Our findings demonstrate that OSTalpha/beta is an important transporter in liver disease and imply a role for this transporter in bile acid-bile acid and drug-bile acid interactions, as well as cholestatic drug-induced liver injury. Bile Acids and Salts 140-149 solute carrier family 51 subunit alpha Homo sapiens 30-43 29420067-11 2018 Our findings demonstrate that OSTalpha/beta is an important transporter in liver disease and imply a role for this transporter in bile acid-bile acid and drug-bile acid interactions, as well as cholestatic drug-induced liver injury. Bile Acids and Salts 140-149 solute carrier family 51 subunit alpha Homo sapiens 30-43 29420067-12 2018 NEW & NOTEWORTHY The organic solute transporter OSTalpha/beta is highly expressed in hepatocytes of liver tissue obtained from patients with nonalcoholic steatohepatitis and primary biliary cholangitis. Adenosine Monophosphate 5-8 solute carrier family 51 subunit alpha Homo sapiens 52-65 29420067-15 2018 These data suggest that hepatic OSTalpha/beta plays an essential role in patients with cholestasis and may have important clinical implications for bile acid and drug disposition. Bile Acids and Salts 148-157 solute carrier family 51 subunit alpha Homo sapiens 32-45 32247663-1 2020 Organic solute transporter alpha/beta (OSTalpha/beta) is a heteromeric solute carrier protein that transports bile acids, steroid metabolites and drugs into and out of cells. Bile Acids and Salts 110-120 solute carrier family 51 subunit alpha Homo sapiens 0-37 32247663-1 2020 Organic solute transporter alpha/beta (OSTalpha/beta) is a heteromeric solute carrier protein that transports bile acids, steroid metabolites and drugs into and out of cells. Bile Acids and Salts 110-120 solute carrier family 51 subunit alpha Homo sapiens 39-52 32247663-1 2020 Organic solute transporter alpha/beta (OSTalpha/beta) is a heteromeric solute carrier protein that transports bile acids, steroid metabolites and drugs into and out of cells. Steroids 122-129 solute carrier family 51 subunit alpha Homo sapiens 0-37 32247663-1 2020 Organic solute transporter alpha/beta (OSTalpha/beta) is a heteromeric solute carrier protein that transports bile acids, steroid metabolites and drugs into and out of cells. Steroids 122-129 solute carrier family 51 subunit alpha Homo sapiens 39-52 32247663-2 2020 OSTalpha/beta protein is expressed in various tissues, but its expression is highest in the gastrointestinal tract where it facilitates the recirculation of bile acids from the gut to the liver. Bile Acids and Salts 157-167 solute carrier family 51 subunit alpha Homo sapiens 0-13 32247663-3 2020 Previous studies established that OSTalpha/beta is upregulated in liver tissue of patients with extrahepatic cholestasis, obstructive cholestasis, and primary biliary cholangitis (PBC), conditions that are characterized by elevated bile acid concentrations in the liver and/or systemic circulation. Bile Acids and Salts 232-241 solute carrier family 51 subunit alpha Homo sapiens 34-47 32247663-5 2020 Since OSTalpha/beta is closely linked to the homeostasis of bile acids, and tightly regulated by the nuclear receptor farnesoid X receptor (FXR), OSTalpha/beta is a potential drug target for treatment of cholestatic liver disease, and other bile acid-related metabolic disorders such as obesity and diabetes. Bile Acids and Salts 60-70 solute carrier family 51 subunit alpha Homo sapiens 6-19 32247663-5 2020 Since OSTalpha/beta is closely linked to the homeostasis of bile acids, and tightly regulated by the nuclear receptor farnesoid X receptor (FXR), OSTalpha/beta is a potential drug target for treatment of cholestatic liver disease, and other bile acid-related metabolic disorders such as obesity and diabetes. Bile Acids and Salts 60-70 solute carrier family 51 subunit alpha Homo sapiens 146-159 32247663-5 2020 Since OSTalpha/beta is closely linked to the homeostasis of bile acids, and tightly regulated by the nuclear receptor farnesoid X receptor (FXR), OSTalpha/beta is a potential drug target for treatment of cholestatic liver disease, and other bile acid-related metabolic disorders such as obesity and diabetes. Bile Acids and Salts 60-69 solute carrier family 51 subunit alpha Homo sapiens 6-19 32247663-5 2020 Since OSTalpha/beta is closely linked to the homeostasis of bile acids, and tightly regulated by the nuclear receptor farnesoid X receptor (FXR), OSTalpha/beta is a potential drug target for treatment of cholestatic liver disease, and other bile acid-related metabolic disorders such as obesity and diabetes. Bile Acids and Salts 60-69 solute carrier family 51 subunit alpha Homo sapiens 146-159 32247663-6 2020 Obeticholic acid, a semi-synthetic bile acid used to treat PBC, under review for the treatment of NASH, and in development for the treatment of other metabolic disorders, induces OSTalpha/beta. obeticholic acid 0-16 solute carrier family 51 subunit alpha Homo sapiens 179-192 32247663-6 2020 Obeticholic acid, a semi-synthetic bile acid used to treat PBC, under review for the treatment of NASH, and in development for the treatment of other metabolic disorders, induces OSTalpha/beta. Bile Acids and Salts 35-44 solute carrier family 51 subunit alpha Homo sapiens 179-192 31863603-1 2020 SLC51A encodes the alpha subunit of the heteromeric organic solute transporter alpha-beta (OSTalpha-OSTbeta), an important contributor to intestinal bile acid (BA) reabsorption in the enterohepatic circulation(1,2). Bile Acids and Salts 149-158 solute carrier family 51 subunit alpha Homo sapiens 0-6 32316603-12 2020 Both human OST complexes, OST-A (with STT3A) and OST-B (containing STT3B), are involved in the N-linked glycosylation of proteins in the ER. Nitrogen 95-96 solute carrier family 51 subunit alpha Homo sapiens 26-31 31894354-7 2020 Moreover, as low as 0.01 muM EPI upregulated the expression of key BA synthesis genes (CYP7A1, by 65% and CYP8B1, by 67%) and BA transporters (NTCP, OSTA and BSEP), and downregulated FGF19. epi 29-32 solute carrier family 51 subunit alpha Homo sapiens 149-153 31175181-5 2019 As mithramycin affects cellular response to bile acid treatment by altering the expression of multiple bile transporters (e.g., ABCB4, ABCB11, sodium/taurocholate cotransporting polypeptide, organic solute transporter alpha/beta) in several cell lines [Huh7, HepaRG, HepaRG BSEP (-/-)] and primary human hepatocytes, we hypothesized that mithramycin inhibited bile-mediated activation of the farnesoid X receptor (FXR). Plicamycin 3-14 solute carrier family 51 subunit alpha Homo sapiens 191-223 31175181-5 2019 As mithramycin affects cellular response to bile acid treatment by altering the expression of multiple bile transporters (e.g., ABCB4, ABCB11, sodium/taurocholate cotransporting polypeptide, organic solute transporter alpha/beta) in several cell lines [Huh7, HepaRG, HepaRG BSEP (-/-)] and primary human hepatocytes, we hypothesized that mithramycin inhibited bile-mediated activation of the farnesoid X receptor (FXR). Bile Acids and Salts 44-53 solute carrier family 51 subunit alpha Homo sapiens 191-223 30778102-7 2019 These compounds, including fluticasone, increased mRNA expression of FXR target genes OSTalpha and OSTbeta in Huh7 cells, and in most cases also of MRP2, SHP and FGF19. Fluticasone 27-38 solute carrier family 51 subunit alpha Homo sapiens 86-94 30778102-7 2019 These compounds, including fluticasone, increased mRNA expression of FXR target genes OSTalpha and OSTbeta in Huh7 cells, and in most cases also of MRP2, SHP and FGF19. Fluticasone 27-38 solute carrier family 51 subunit alpha Homo sapiens 99-106 30481467-6 2019 Concentration-dependent OSTalpha/beta inhibition was evaluated for all putative inhibitors (atorvastatin, ethinylestradiol, fidaxomicin, glycochenodeoxycholate, norgestimate, troglitazone, and troglitazone sulfate). Troglitazone 175-187 solute carrier family 51 subunit alpha Homo sapiens 24-37 29487110-10 2018 Increased basolateral efflux of TCA was consistent with increased OSTalpha/beta protein expression in OCA- and CDCA-treated SCHH. Chenodeoxycholic Acid 111-115 solute carrier family 51 subunit alpha Homo sapiens 66-79 29226620-7 2017 Glycine conjugate of OCA increased mRNA levels of FXR target genes in Caco-2 cells, FGF-19, SHP, OSTalpha/beta, and IBABP, but not ASBT, in a concentration-dependent manner, while glycine conjugate of UDCA had no effect on the expression of these genes. Glycine 0-7 solute carrier family 51 subunit alpha Homo sapiens 97-110 29695968-8 2018 Furthermore, a role of the organic solute transporter OSTalpha-OSTbeta (SLC51A/B) in brain DHEAS/PregS homeostasis has been proposed. Dehydroepiandrosterone Sulfate 91-96 solute carrier family 51 subunit alpha Homo sapiens 72-80 24703425-1 2015 BACKGROUND & AIMS: The organic solute transporters alpha and beta (OSTalpha-OSTbeta) form a heterodimeric transporter located at the basolateral membrane of intestinal epithelial cells and hepatocytes. Adenosine Monophosphate 12-15 solute carrier family 51 subunit alpha Homo sapiens 27-69 28805978-10 2017 The upregulation of BSEP and OSTalpha and OSTbeta, by OCA reduced the intracellular concentrations of d8 -TCA, a model bile acid, to 39.6 +- 8.9% relative to control. d8 -tca 102-109 solute carrier family 51 subunit alpha Homo sapiens 29-37 28805978-10 2017 The upregulation of BSEP and OSTalpha and OSTbeta, by OCA reduced the intracellular concentrations of d8 -TCA, a model bile acid, to 39.6 +- 8.9% relative to control. Bile Acids and Salts 119-128 solute carrier family 51 subunit alpha Homo sapiens 29-37 28455390-1 2017 Transport of bile acids across the basolateral membrane of the intestinal enterocyte is carried out by the organic solute transporter (Ost) composed of a seven-transmembrane domain (TMD) subunit (Ostalpha) and an ancillary single TMD subunit (Ostbeta). Bile Acids and Salts 13-23 solute carrier family 51 subunit alpha Homo sapiens 196-204 24703425-1 2015 BACKGROUND & AIMS: The organic solute transporters alpha and beta (OSTalpha-OSTbeta) form a heterodimeric transporter located at the basolateral membrane of intestinal epithelial cells and hepatocytes. Adenosine Monophosphate 12-15 solute carrier family 51 subunit alpha Homo sapiens 71-79 24703425-4 2015 METHODS: OSTalpha-OSTbeta expression was measured in Huh7 cells and primary human hepatocytes (PHH) exposed to chenodeoxycholic acid (CDCA), hypoxia or both. Chenodeoxycholic Acid 111-132 solute carrier family 51 subunit alpha Homo sapiens 9-17 24703425-4 2015 METHODS: OSTalpha-OSTbeta expression was measured in Huh7 cells and primary human hepatocytes (PHH) exposed to chenodeoxycholic acid (CDCA), hypoxia or both. Chenodeoxycholic Acid 134-138 solute carrier family 51 subunit alpha Homo sapiens 9-17 24703425-8 2015 Exposure of Huh7 cells or PHH to CDCA (50 muM) enhanced the effect of hypoxia on OSTalpha mRNA levels. Chenodeoxycholic Acid 33-37 solute carrier family 51 subunit alpha Homo sapiens 81-89 24703425-9 2015 In luciferase assays and EMSA, the inducing effect of low oxygen could be assigned to HIF-1alpha, which binds to hypoxia responsive elements (HRE) in the OSTalpha and OSTbeta gene promoters. Oxygen 58-64 solute carrier family 51 subunit alpha Homo sapiens 154-162 24703425-10 2015 Site-directed mutagenesis of either the predicted HRE or the bile acid responsive FXR binding site abolished inducibility of the OSTalpha promoter, indicating that both elements need to be intact for induction by hypoxia and CDCA. Bile Acids and Salts 61-70 solute carrier family 51 subunit alpha Homo sapiens 129-137 24703425-10 2015 Site-directed mutagenesis of either the predicted HRE or the bile acid responsive FXR binding site abolished inducibility of the OSTalpha promoter, indicating that both elements need to be intact for induction by hypoxia and CDCA. Chenodeoxycholic Acid 225-229 solute carrier family 51 subunit alpha Homo sapiens 129-137 24264050-1 2014 The organic solute transporter-alpha/beta (OSTalpha/beta) is a heteromeric transporter that is essential for bile acid and sterol disposition and for the enterohepatic circulation. Bile Acids and Salts 109-118 solute carrier family 51 subunit alpha Homo sapiens 43-56 24264050-2 2014 To better understand the mechanism underlying OST gene regulation, the effects of retinoic acid (RA) on OSTalpha/beta gene expression were investigated. Tretinoin 97-99 solute carrier family 51 subunit alpha Homo sapiens 104-117 24264050-2 2014 To better understand the mechanism underlying OST gene regulation, the effects of retinoic acid (RA) on OSTalpha/beta gene expression were investigated. Tretinoin 82-95 solute carrier family 51 subunit alpha Homo sapiens 104-117 23097745-2 2012 Physical association of hOSTalpha and beta subunits is essential for their polarized basolateral plasma membrane localization and function in the export of bile acids and steroids. Bile Acids and Salts 156-166 solute carrier family 51 subunit alpha Homo sapiens 24-42 22535958-3 2012 Bimolecular fluorescence complementation analysis revealed that a 25-amino acid peptide containing the Ostbeta transmembrane (TM) domain heterodimerized with Ostalpha, although the resulting complex failed to reach the plasma membrane and generate cellular [(3)H]taurocholate transport activity. amino acid peptide 69-87 solute carrier family 51 subunit alpha Homo sapiens 158-166 23518683-8 2013 The responses of other genes to CDCA or GCDCA (50 muM) were smaller: median increases of ileal bile acid binding protein, organic solute transporter-alpha and -beta, and short heterodimer partner were 2.4- to 4.0-fold; apical membrane sodium bile acid transporter and farnesoid X receptor (FXR) showed little change. Chenodeoxycholic Acid 32-36 solute carrier family 51 subunit alpha Homo sapiens 122-164 22800197-11 2012 In LS174T/R cells, GW4064 induced the expression of FGF19, SHP, OSTalpha/beta, but not MRP2 and BCRP, although the sensitivity of these cells to cisplatin was further reduced. GW 4064 19-25 solute carrier family 51 subunit alpha Homo sapiens 64-77 23097745-2 2012 Physical association of hOSTalpha and beta subunits is essential for their polarized basolateral plasma membrane localization and function in the export of bile acids and steroids. Steroids 171-179 solute carrier family 51 subunit alpha Homo sapiens 24-42 20422499-0 2010 Organic solute transporter, OSTalpha-OSTbeta: its role in bile acid transport and cholestasis. Bile Acids and Salts 58-67 solute carrier family 51 subunit alpha Homo sapiens 28-36 22291955-6 2012 Exposure of HepG2 cells to theonellasterol antagonizes the effect of natural and synthetic FXR agonists on FXR-regulated genes, including SHP, OSTalpha, BSEP and MRP4. 7-hydroxytheonellasterol 27-42 solute carrier family 51 subunit alpha Homo sapiens 143-151 21691099-1 2011 The heteromeric organic solute transporter alpha-beta (Ostalpha-Ostbeta) is expressed at relatively high levels on the basolateral membrane of enterocytes, where it plays a critical role in the intestinal absorption of bile acids and the enterohepatic circulation. Bile Acids and Salts 219-229 solute carrier family 51 subunit alpha Homo sapiens 55-63 21691099-2 2011 However, this transporter is also expressed in nearly all human tissues, including those that are not normally thought to be involved in bile acid homeostasis, indicating that Ostalpha-Ostbeta may have additional roles beyond bile acid transport in these other tissues, or that bile acids and their derivatives are more pervasive than currently envisioned. Bile Acids and Salts 137-146 solute carrier family 51 subunit alpha Homo sapiens 176-184 21691099-2 2011 However, this transporter is also expressed in nearly all human tissues, including those that are not normally thought to be involved in bile acid homeostasis, indicating that Ostalpha-Ostbeta may have additional roles beyond bile acid transport in these other tissues, or that bile acids and their derivatives are more pervasive than currently envisioned. Bile Acids and Salts 226-235 solute carrier family 51 subunit alpha Homo sapiens 176-184 21691099-5 2011 In addition, studies examining Ostalpha-Ostbeta substrate specificity have revealed that this transporter can also accept conjugated steroids, including some neurosteroids, and that the transporter is selectively expressed in steroidogenic cells of the brain and adrenal gland, suggesting a novel function for Ostalpha-Ostbeta. Steroids 133-141 solute carrier family 51 subunit alpha Homo sapiens 31-39 21691099-5 2011 In addition, studies examining Ostalpha-Ostbeta substrate specificity have revealed that this transporter can also accept conjugated steroids, including some neurosteroids, and that the transporter is selectively expressed in steroidogenic cells of the brain and adrenal gland, suggesting a novel function for Ostalpha-Ostbeta. Steroids 133-141 solute carrier family 51 subunit alpha Homo sapiens 310-318 21691099-6 2011 The broad tissue expression of Ostalpha-Ostbeta is also consistent with the emerging concept that bile acids and their derivatives act as signaling molecules in diverse tissues. Bile Acids and Salts 98-108 solute carrier family 51 subunit alpha Homo sapiens 31-39 20649839-5 2010 OSTalpha and OSTbeta proteins were also localized to the zona reticularis of human adrenal gland, the major region for DHEAS production in the periphery. Dehydroepiandrosterone Sulfate 119-124 solute carrier family 51 subunit alpha Homo sapiens 0-8 20548267-10 2010 In the CP-12h group, the ratios of the ASBT/ILBP, ASBT/Ostalpha and ASBT/Ostbeta expression levels were correlated with the injury severity scores of large but not small bile ducts. cp-12h 7-13 solute carrier family 51 subunit alpha Homo sapiens 55-63 20422499-6 2010 OSTalpha-OSTbeta is directly regulated by the bile acid sensing nuclear receptor, farnesoid X receptor (FXR). Bile Acids and Salts 46-55 solute carrier family 51 subunit alpha Homo sapiens 0-8 17622954-3 2007 In HepG2 cells, stigmasterol acetate (StigAc), a water-soluble Stig derivative, suppressed ligand-activated expression of FXR target genes involved in adaptation to cholestasis (i.e. BSEP, FGF-19, OSTalpha/beta). STIGMASTEROL ACETATE 16-36 solute carrier family 51 subunit alpha Homo sapiens 197-210 19059462-4 2009 Transfection of H295R adrenocortical cells with FXR expression vector effectively increased FXR expression levels and additional treatment with chenodeoxycholic acid (CDCA) caused a 25-fold increase in the mRNA for organic solute transporter alpha (OSTalpha), a known FXR target gene. Chenodeoxycholic Acid 144-165 solute carrier family 51 subunit alpha Homo sapiens 215-247 19059462-4 2009 Transfection of H295R adrenocortical cells with FXR expression vector effectively increased FXR expression levels and additional treatment with chenodeoxycholic acid (CDCA) caused a 25-fold increase in the mRNA for organic solute transporter alpha (OSTalpha), a known FXR target gene. Chenodeoxycholic Acid 144-165 solute carrier family 51 subunit alpha Homo sapiens 249-257 19059462-4 2009 Transfection of H295R adrenocortical cells with FXR expression vector effectively increased FXR expression levels and additional treatment with chenodeoxycholic acid (CDCA) caused a 25-fold increase in the mRNA for organic solute transporter alpha (OSTalpha), a known FXR target gene. Chenodeoxycholic Acid 167-171 solute carrier family 51 subunit alpha Homo sapiens 215-247 19059462-4 2009 Transfection of H295R adrenocortical cells with FXR expression vector effectively increased FXR expression levels and additional treatment with chenodeoxycholic acid (CDCA) caused a 25-fold increase in the mRNA for organic solute transporter alpha (OSTalpha), a known FXR target gene. Chenodeoxycholic Acid 167-171 solute carrier family 51 subunit alpha Homo sapiens 249-257 18847488-1 2008 BACKGROUND: The organic solute transporter (OSTalpha-OSTbeta) is a heteromeric transporter that is expressed on the basolateral membrane of epithelium in intestine, kidney, liver, testis and adrenal gland and facilitates efflux of bile acids and other steroid solutes. Bile Acids and Salts 231-241 solute carrier family 51 subunit alpha Homo sapiens 44-52 18847488-1 2008 BACKGROUND: The organic solute transporter (OSTalpha-OSTbeta) is a heteromeric transporter that is expressed on the basolateral membrane of epithelium in intestine, kidney, liver, testis and adrenal gland and facilitates efflux of bile acids and other steroid solutes. Steroids 252-259 solute carrier family 51 subunit alpha Homo sapiens 44-52 18847488-4 2008 RESULTS: Tunicamycin treatment demonstrated that human OSTalpha is glycosylated. Tunicamycin 9-20 solute carrier family 51 subunit alpha Homo sapiens 55-63 17650074-6 2007 The interaction between Ostalpha and Ostbeta was required not only for delivery of the proteins to the plasma membrane, but it increased their stability, as noted in transfected HEK-293 cells and in tissues from Ostalpha-deficient (Ostalpha-/-) mice. ostalpha 24-32 solute carrier family 51 subunit alpha Homo sapiens 232-244 19273238-4 2009 Collectively, the data indicate that Ost alpha-Ost beta is essential for bile acid and sterol disposition, and suggest that the carrier may be involved in human conditions related to imbalances in bile acid or lipid homeostasis. Bile Acids and Salts 73-82 solute carrier family 51 subunit alpha Homo sapiens 37-46 19273238-4 2009 Collectively, the data indicate that Ost alpha-Ost beta is essential for bile acid and sterol disposition, and suggest that the carrier may be involved in human conditions related to imbalances in bile acid or lipid homeostasis. Bile Acids and Salts 197-206 solute carrier family 51 subunit alpha Homo sapiens 37-46 17622954-3 2007 In HepG2 cells, stigmasterol acetate (StigAc), a water-soluble Stig derivative, suppressed ligand-activated expression of FXR target genes involved in adaptation to cholestasis (i.e. BSEP, FGF-19, OSTalpha/beta). STIGMASTEROL ACETATE 38-44 solute carrier family 51 subunit alpha Homo sapiens 197-210 17622954-3 2007 In HepG2 cells, stigmasterol acetate (StigAc), a water-soluble Stig derivative, suppressed ligand-activated expression of FXR target genes involved in adaptation to cholestasis (i.e. BSEP, FGF-19, OSTalpha/beta). stig 38-42 solute carrier family 51 subunit alpha Homo sapiens 197-210 16269519-0 2006 The nuclear receptor for bile acids, FXR, transactivates human organic solute transporter-alpha and -beta genes. Bile Acids and Salts 25-35 solute carrier family 51 subunit alpha Homo sapiens 63-105 17332473-1 2007 Two proteins that mediate bile acid export from the ileal enterocyte, organic solute transporter (OST)-alpha and -beta, have recently been identified. Bile Acids and Salts 26-35 solute carrier family 51 subunit alpha Homo sapiens 70-118 17332473-4 2007 The results demonstrated that coexpression of hOST-alpha and -beta in transfected cells resulted in a three- to fivefold increase of the initial rate of taurocholate influx or efflux compared with cells expressing each protein individually and nontransfected cells. Taurocholic Acid 153-165 solute carrier family 51 subunit alpha Homo sapiens 46-66 17332473-7 2007 Truncation of the amino-terminal 50 amino acid extracellular residues of hOST-alpha abolished its interaction with hOST-beta and led to an intracellular accumulation of the two proteins and to only background levels of taurocholate transport. Taurocholic Acid 219-231 solute carrier family 51 subunit alpha Homo sapiens 73-83 16423920-0 2006 Upregulation of a basolateral FXR-dependent bile acid efflux transporter OSTalpha-OSTbeta in cholestasis in humans and rodents. Bile Acids and Salts 44-53 solute carrier family 51 subunit alpha Homo sapiens 73-81 16423920-1 2006 Organic solute transporter (OSTalpha-OSTbeta) is a novel heteromeric bile acid and sterol transporter expressed at the basolateral membranes of epithelium in the ileum, kidney, and liver. Bile Acids and Salts 69-78 solute carrier family 51 subunit alpha Homo sapiens 28-36 16423920-5 2006 HepG2 cells treated for 24 h with chenodeoxycholic acid, a selective FXR ligand, had higher levels of OSTalpha and OSTbeta mRNA and protein. Chenodeoxycholic Acid 34-55 solute carrier family 51 subunit alpha Homo sapiens 102-110 16269519-3 2006 At the basolateral domain of ileal enterocytes, bile acids are extruded into portal blood by the heterodimeric organic solute transporter OSTalpha/OSTbeta. Bile Acids and Salts 48-58 solute carrier family 51 subunit alpha Homo sapiens 138-146 16269519-5 2006 We show here that human OSTalpha/OSTbeta expression is induced by bile acids through ligand-dependent transactivation of both OST genes by the nuclear bile acid receptor/farnesoid X receptor (FXR). Bile Acids and Salts 66-76 solute carrier family 51 subunit alpha Homo sapiens 24-32 16269519-11 2006 In conclusion, the genes encoding the human OSTalpha/OSTbeta complex are induced by bile acids and FXR. Bile Acids and Salts 84-94 solute carrier family 51 subunit alpha Homo sapiens 44-52 16269519-12 2006 By coordinated control of OSTalpha/OSTbeta expression, bile acids may adjust the rate of their own efflux from enterocytes in response to changes in intracellular bile acid levels. Bile Acids and Salts 55-65 solute carrier family 51 subunit alpha Homo sapiens 26-34 16269519-12 2006 By coordinated control of OSTalpha/OSTbeta expression, bile acids may adjust the rate of their own efflux from enterocytes in response to changes in intracellular bile acid levels. Bile Acids and Salts 55-64 solute carrier family 51 subunit alpha Homo sapiens 26-34 16317684-7 2005 In conclusion, the selective localization of OSTalpha and OSTbeta to the basolateral plasma membrane of epithelial cells responsible for bile acid and sterol reabsorption, the substrate selectivity of the transporter, and the facilitated diffusion transport mode collectively indicate that OSTalpha-OSTbeta is a key basolateral transporter for the reabsorption of these important steroid-derived molecules. Bile Acids and Salts 137-146 solute carrier family 51 subunit alpha Homo sapiens 45-53 16251721-10 2006 Finally, overexpression of human OSTalpha and OSTbeta facilitated the uptake of conjugated chenodeoxycholate and the activation of FXR target genes. Chenodeoxycholic Acid 91-108 solute carrier family 51 subunit alpha Homo sapiens 33-41 16317684-7 2005 In conclusion, the selective localization of OSTalpha and OSTbeta to the basolateral plasma membrane of epithelial cells responsible for bile acid and sterol reabsorption, the substrate selectivity of the transporter, and the facilitated diffusion transport mode collectively indicate that OSTalpha-OSTbeta is a key basolateral transporter for the reabsorption of these important steroid-derived molecules. Sterols 151-157 solute carrier family 51 subunit alpha Homo sapiens 45-53 16871660-0 2005 Modified OSTA index for referring women for DEXA measurement. Dexa-BEAM protocol 44-48 solute carrier family 51 subunit alpha Homo sapiens 9-13 16317684-7 2005 In conclusion, the selective localization of OSTalpha and OSTbeta to the basolateral plasma membrane of epithelial cells responsible for bile acid and sterol reabsorption, the substrate selectivity of the transporter, and the facilitated diffusion transport mode collectively indicate that OSTalpha-OSTbeta is a key basolateral transporter for the reabsorption of these important steroid-derived molecules. Steroids 380-387 solute carrier family 51 subunit alpha Homo sapiens 45-53 35224661-7 2022 Exposure to DON downregulates expression of the genes coding for the apical sodium-dependent bile acid transporter (ASBT), the ileal bile acid-binding protein (IBABP) and the organic solute transporter alpha (OSTalpha), and it counteracts the agonist activity of Farnesoid X receptor (FXR) agonist GW4064 on these genes. deoxynivalenol 12-15 solute carrier family 51 subunit alpha Homo sapiens 175-207 33031748-8 2020 rs5855544, upstream of SLC51A, was associated with higher levels of three steroid sulfates and co-localized with expression levels of SLC51A in several tissues. Steroids 74-81 solute carrier family 51 subunit alpha Homo sapiens 23-29 33031748-8 2020 rs5855544, upstream of SLC51A, was associated with higher levels of three steroid sulfates and co-localized with expression levels of SLC51A in several tissues. Steroids 74-81 solute carrier family 51 subunit alpha Homo sapiens 134-140 34767876-7 2021 Activation of NRF2 by sulforaphane also resulted in downregulation of NTCP, OSTalpha, ABCG5, CYP7A1 and CYP8B1. sulforaphane 22-34 solute carrier family 51 subunit alpha Homo sapiens 76-84 34599072-1 2021 Organic solute transporter alpha/beta (OSTalpha/beta; SLC51A/B) is a bidirectional bile acid transporter localized on the basolateral membrane of hepatic, intestinal, and renal epithelial cells. Bile Acids and Salts 83-92 solute carrier family 51 subunit alpha Homo sapiens 0-37 34599072-1 2021 Organic solute transporter alpha/beta (OSTalpha/beta; SLC51A/B) is a bidirectional bile acid transporter localized on the basolateral membrane of hepatic, intestinal, and renal epithelial cells. Bile Acids and Salts 83-92 solute carrier family 51 subunit alpha Homo sapiens 39-52 34599072-1 2021 Organic solute transporter alpha/beta (OSTalpha/beta; SLC51A/B) is a bidirectional bile acid transporter localized on the basolateral membrane of hepatic, intestinal, and renal epithelial cells. Bile Acids and Salts 83-92 solute carrier family 51 subunit alpha Homo sapiens 54-62 34599072-2 2021 OSTalpha/beta plays a critical role in intestinal bile acid reabsorption and is upregulated in hepatic diseases characterized by elevated bile acids, while genetic variants in SLC51A/B have been associated with clinical cholestasis. Bile Acids and Salts 50-59 solute carrier family 51 subunit alpha Homo sapiens 0-13 34599072-2 2021 OSTalpha/beta plays a critical role in intestinal bile acid reabsorption and is upregulated in hepatic diseases characterized by elevated bile acids, while genetic variants in SLC51A/B have been associated with clinical cholestasis. Bile Acids and Salts 138-148 solute carrier family 51 subunit alpha Homo sapiens 0-13 34599072-5 2021 The present study addressed this knowledge gap and identified amino acids in OSTalpha that are important for bile acid transport. Bile Acids and Salts 109-118 solute carrier family 51 subunit alpha Homo sapiens 77-85 34599072-7 2021 Out of the ten OSTalpha/beta mutants investigated, four (S228K, T229S, Q269E, Q269K) exhibited decreased (3H)-taurocholate (TCA) uptake (ratio of geometric means relative to OSTalpha/beta WT of 0.76, 0.75, 0.79, 0.13, respectively). Tritium 106-108 solute carrier family 51 subunit alpha Homo sapiens 15-28 34599072-7 2021 Out of the ten OSTalpha/beta mutants investigated, four (S228K, T229S, Q269E, Q269K) exhibited decreased (3H)-taurocholate (TCA) uptake (ratio of geometric means relative to OSTalpha/beta WT of 0.76, 0.75, 0.79, 0.13, respectively). Taurocholic Acid 110-122 solute carrier family 51 subunit alpha Homo sapiens 15-28 34599072-7 2021 Out of the ten OSTalpha/beta mutants investigated, four (S228K, T229S, Q269E, Q269K) exhibited decreased (3H)-taurocholate (TCA) uptake (ratio of geometric means relative to OSTalpha/beta WT of 0.76, 0.75, 0.79, 0.13, respectively). Taurocholic Acid 124-127 solute carrier family 51 subunit alpha Homo sapiens 15-28 34599072-8 2021 Three OSTalpha/beta mutants (S228K, Q269K, E305A) had reduced (3H)-TCA efflux % (ratio of geometric means relative to OSTalpha/beta WT of 0.86, 0.65, 0.79, respectively). Tritium 63-65 solute carrier family 51 subunit alpha Homo sapiens 6-19 34599072-8 2021 Three OSTalpha/beta mutants (S228K, Q269K, E305A) had reduced (3H)-TCA efflux % (ratio of geometric means relative to OSTalpha/beta WT of 0.86, 0.65, 0.79, respectively). Taurocholic Acid 67-70 solute carrier family 51 subunit alpha Homo sapiens 6-19 34599072-10 2021 In summary, we identified OSTalpha residues (Ser228, Thr229, Gln269, Glu305) in predicted transmembrane domains that affect expression of OSTalpha/beta and may influence OSTalpha/beta-mediated bile acid transport. Bile Acids and Salts 193-202 solute carrier family 51 subunit alpha Homo sapiens 26-34 34599072-10 2021 In summary, we identified OSTalpha residues (Ser228, Thr229, Gln269, Glu305) in predicted transmembrane domains that affect expression of OSTalpha/beta and may influence OSTalpha/beta-mediated bile acid transport. Bile Acids and Salts 193-202 solute carrier family 51 subunit alpha Homo sapiens 170-183 34599072-12 2021 Significance Statement OSTalpha/beta is a clinically important transporter involved in enterohepatic bile acid recycling with currently no high-resolution protein structure and limited structure-function data. Bile Acids and Salts 101-110 solute carrier family 51 subunit alpha Homo sapiens 23-36 34599072-13 2021 This study identified four OSTalpha amino acids (Ser228, Thr229, Gln269, Glu305) that affect expression of OSTalpha/beta and may influence OSTalpha/beta-mediated bile acid transport. Bile Acids and Salts 162-171 solute carrier family 51 subunit alpha Homo sapiens 27-35 34599072-13 2021 This study identified four OSTalpha amino acids (Ser228, Thr229, Gln269, Glu305) that affect expression of OSTalpha/beta and may influence OSTalpha/beta-mediated bile acid transport. Bile Acids and Salts 162-171 solute carrier family 51 subunit alpha Homo sapiens 139-152 12719432-5 2003 None of the proteins elicited a transport signal when expressed individually in oocytes; however, all nine OSTalpha-OSTbeta combinations (i.e. OSTalpha-OSTbeta pairs from human, mouse, or skate) generated robust estrone 3-sulfate transport activity. 3-sulfate 220-229 solute carrier family 51 subunit alpha Homo sapiens 107-115 12719432-7 2003 Human and mouse OSTalpha-OSTbeta also were able to mediate transport of taurocholate, digoxin, and prostaglandin E2 but not of estradiol 17beta-d-glucuronide or p-aminohippurate. Taurocholic Acid 72-84 solute carrier family 51 subunit alpha Homo sapiens 16-24 12719432-7 2003 Human and mouse OSTalpha-OSTbeta also were able to mediate transport of taurocholate, digoxin, and prostaglandin E2 but not of estradiol 17beta-d-glucuronide or p-aminohippurate. Digoxin 86-93 solute carrier family 51 subunit alpha Homo sapiens 16-24 12719432-7 2003 Human and mouse OSTalpha-OSTbeta also were able to mediate transport of taurocholate, digoxin, and prostaglandin E2 but not of estradiol 17beta-d-glucuronide or p-aminohippurate. Dinoprostone 99-115 solute carrier family 51 subunit alpha Homo sapiens 16-24 12719432-7 2003 Human and mouse OSTalpha-OSTbeta also were able to mediate transport of taurocholate, digoxin, and prostaglandin E2 but not of estradiol 17beta-d-glucuronide or p-aminohippurate. estradiol-17 beta-glucuronide 127-157 solute carrier family 51 subunit alpha Homo sapiens 16-24 35224661-7 2022 Exposure to DON downregulates expression of the genes coding for the apical sodium-dependent bile acid transporter (ASBT), the ileal bile acid-binding protein (IBABP) and the organic solute transporter alpha (OSTalpha), and it counteracts the agonist activity of Farnesoid X receptor (FXR) agonist GW4064 on these genes. deoxynivalenol 12-15 solute carrier family 51 subunit alpha Homo sapiens 209-217 35224661-7 2022 Exposure to DON downregulates expression of the genes coding for the apical sodium-dependent bile acid transporter (ASBT), the ileal bile acid-binding protein (IBABP) and the organic solute transporter alpha (OSTalpha), and it counteracts the agonist activity of Farnesoid X receptor (FXR) agonist GW4064 on these genes. GW 4064 298-304 solute carrier family 51 subunit alpha Homo sapiens 175-207 35224661-7 2022 Exposure to DON downregulates expression of the genes coding for the apical sodium-dependent bile acid transporter (ASBT), the ileal bile acid-binding protein (IBABP) and the organic solute transporter alpha (OSTalpha), and it counteracts the agonist activity of Farnesoid X receptor (FXR) agonist GW4064 on these genes. GW 4064 298-304 solute carrier family 51 subunit alpha Homo sapiens 209-217 35462858-2 2022 Patients with deficiency of OSTalpha or OSTbeta display considerable variation in the level of bile acid malabsorption, chronic diarrhea, and signs of cholestasis. Bile Acids and Salts 95-104 solute carrier family 51 subunit alpha Homo sapiens 40-47 35462858-13 2022 Lay summary: Organic solute transporter (OST) subunits OSTalpha and OSTbeta together facilitate the efflux of conjugated bile acids into the portal circulation. Bile Acids and Salts 121-131 solute carrier family 51 subunit alpha Homo sapiens 55-63 35462858-13 2022 Lay summary: Organic solute transporter (OST) subunits OSTalpha and OSTbeta together facilitate the efflux of conjugated bile acids into the portal circulation. Bile Acids and Salts 121-131 solute carrier family 51 subunit alpha Homo sapiens 68-75