Physiological roles of renal anion transporters NaS1 and Sat1 - PubMed (original) (raw)

Review

. 2011 Jun;300(6):F1267-70.

doi: 10.1152/ajprenal.00061.2011. Epub 2011 Apr 13.

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Review

Physiological roles of renal anion transporters NaS1 and Sat1

Daniel Markovich. Am J Physiol Renal Physiol. 2011 Jun.

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Abstract

This review will briefly summarize current knowledge on the renal anion transporters sodium-sulfate cotransporter-1 (NaS1; Slc13a1) and sulfate-anion transporter-1 (Sat1; Slc26a1). NaS1 and Sat1 mediate renal proximal tubular sulfate reabsorption and thereby regulate blood sulfate levels. Sat1 also mediates renal oxalate transport and controls blood oxalate levels. Targeted disruption of murine NaS1 and Sat1 leads to hyposulfatemia and hypersulfaturia. Sat1 null mice also exhibit hyperoxalemia, hyperoxaluria, and calcium oxalate urolithiasis. NaS1 and Sat1 null mice also have other phenotypes that result due to changes in blood sulfate and oxalate levels. Experimental data indicate that NaS1 is essential for maintaining sulfate homeostasis, whereas Sat1 controls both sulfate and oxalate homeostasis in vivo.

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