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首页> 外文期刊>Journal of pharmaceutical sciences. >Sodium-dependent phosphate cotransporters: lessons from gene knockout and mutation studies.
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Sodium-dependent phosphate cotransporters: lessons from gene knockout and mutation studies.

机译:钠依赖性磷酸盐共转运蛋白:基因敲除和突变研究的教训。

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摘要

Inorganic phosphate (Pi) is an essential physiological compound, highlighted by the syndromes caused by hypo or hyperphosphatemic states. Hyperphosphatemia is associated with ectopic calcification, cardiovascular disease, and increased mortality in patients with chronic kidney disease (CKD). As phosphate control is not efficient with diet or dialysis, oral Pi binders are used in over 90% of patients with renal failure. However, achieving tight control of serum Pi is difficult, and lower levels of serum Pi (severe hypophosphatemia) do not lead to better outcomes. The inhibition of sodium-dependent Pi (NaPi) transporter would be a preferable method to control serum Pi levels in patients with CKD or patients undergoing dialysis. Three types of NaPi transporters (types I-III) have been identified: solute carrier series SLC17A1 (NPT1/NaPi-I/OATv1), SLC34 (NaPi-IIa, NaPi-IIb, NaPi-IIc), and SLC20 (PiT1, PiT2), respectively. Knockout mice have been created for types I-III NaPi transporters. In this review, we discuss the roles of the NaPi transporters in Pi homeostasis.
机译:无机磷酸盐(Pi)是必不可少的生理化合物,低磷或高磷状态引起的综合症特别突出。高磷血症与异位钙化,心血管疾病和慢性肾脏病(CKD)患者的死亡率增加有关。由于饮食或透析对磷酸盐的控制无效,因此90%以上的肾衰竭患者使用口服Pi粘合剂。但是,很难严格控制血清Pi,较低的血清Pi水平(严重的低磷血症)不会导致更好的预后。抑制钠依赖性Pi(NaPi)转运蛋白将是控制CKD患者或接受透析的患者血清Pi水平的优选方法。已经确定了三种类型的NaPi转运蛋白(I-III型):溶质载体系列SLC17A1(NPT1 / NaPi-I / OATv1),SLC34(NaPi-IIa,NaPi-IIb,NaPi-IIc)和SLC20(PiT1,PiT2 ), 分别。已经为I-III型NaPi转运蛋白创建了敲除小鼠。在这篇综述中,我们讨论了NaPi转运蛋白在Pi动态平衡中的作用。

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