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Adaptive responses of renal organic anion transporter 3 (OAT3) during cholestasis

机译:胆汁淤积过程中肾脏有机阴离子转运蛋白3(OAT3)的适应性反应

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摘要

During cholestasis, bile acids are mainly excreted into the urine, but adaptive renal responses to cholestasis, especially molecular mechanisms for renal secretion of bile acids, have not been well understood. Organic anion transporters (OAT1 and OAT3) are responsible for membrane transport of anionic compounds at the renal basolateral membranes. In the present study, we investigated the pathophysiological roles of OAT1 and OAT3 in terms of renal handling of bile acids. The Eisai hyperbilirubmemic rats (EHBR), mutant rats without multidrug resistance-associated protein 2, showed higher serum and urinary concentrations of bile acids, compared with Sprague-Dawley (SD) rats (wild type).
机译:在胆汁淤积过程中,胆汁酸主要排入尿液,但是对胆汁淤积的适应性肾脏反应,特别是肾分泌胆汁酸的分子机制尚未得到很好的了解。有机阴离子转运蛋白(OAT1和OAT3)负责阴离子化合物在肾基底外侧膜的膜转运。在本研究中,我们调查了在肾脏处理胆汁酸方面OAT1和OAT3的病理生理作用。与Sprague-Dawley(SD)大鼠(野生型)相比,Eisai高胆红素血症大鼠(EHBR)是没有多药耐药相关蛋白2的突变大鼠,其血清和尿液中的胆汁酸浓度更高。

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