1. Membrane Transporter/Ion Channel
  2. URAT1

URAT1

URAT1, a member of the OAT (organic anion transporter) family was first cloned from the human kidney, where it is localized to the apical (brush border) membrane of renal proximal tubular cells. URAT1 mediates the reabsorption of uric acid, thereby regulating blood uric acid concentrations. Impairment in URAT1 activity, either due to polymorphisms, or drug-drug interactions, can have toxicological consequences. In the kidney, URAT1 is distributed along the renal tubular cell membrane and involved in reabsorption and excretion of uric acid, organic acids, drugs and their metabolites. Uric acid is taken up by OAT1 and OAT3 from the blood and reabsorbed into renal tubular cells via URAT1, in exchange for dicarboxylic acid. URAT1, along with OAT4 mediates uptake of uric acid from the renal tubule into renal tubular cells in exchange for organic anions such as lactic acid and nicotinic acid. This exchange is electroneutral and can be trans-stimulated by Cl- gradients and gradients of lactate transported by the sodium-monocarboxylate transporter. In the salivary glands, URAT1 is distributed along the entire surface, including the ductal and acinar cells, suggesting a role in the transport of organic acids and uric acid in the whole salivary gland.

URAT1 相关产品 (3):

Cat. No. Product Name Effect Purity
  • HY-15258
    Lesinurad Inhibitor 99.96%
    Lesinurad 是一种 URAT1OAT 抑制剂,用作肾转运蛋白OAT1 和OAT3 的底物,Km值分别为 0.85 和 2 μM。
  • HY-15258A
    Lesinurad sodium Inhibitor 99.92%
    Lesinurad sodium (RDEA594 sodium)是URAT1抑制剂。
  • HY-16733
    Verinurad Inhibitor >98.0%
    Verinurad (RDEA3170) 是一种高效特异的 URAT1 抑制剂,IC50 为 25 nM。
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