| 研究背景 |
Mediates the Na(+-independent transport of organic anions such as estrone-3-sulfate. Mediates transport of prostaglandins (PG E1 and E2, thyroxine (T4, deltorphin II, BQ-123 and vasopressin, but not DPDPE (a derivative of enkephalin lacking an N-terminal tyrosine residue, estrone-3-sulfate, taurocholate, digoxin nor DHEAS. |
| 组织表达 |
Generally the expression of isoform 1 is higher than that of isoform 2.; [Isoform 1]: Expressed in placental trophoblasts (PubMed:10873595, PubMed:12409283). Expressed in pancreas, kidney, liver, lung, brain, heart, cerebellum, peripheral blood leukocyte, colon, small intestine, ovary, testis, prostate, thyroid, thymus and spleen (PubMed:10873595, PubMed:16971491). Expressed in fetal brain, heart, kidney, liver, lung, skeletal muscle, spleen and pancreas (PubMed:10873595). In testis, detected in spermatogonia at different stages and absent from Sertoli cells. Expressed in the choroid plexus epithelium, at the basolateral membrane. In brain, also very abundant in the gray matter of the frontal cortex, but not associated with neuronal cell bodies. Not detected in the white matter (PubMed:16971491).; [Isoform 2]: Expressed in heart, brain, cerebellum, testis, lung, thyroid, spoleen and liver (PubMed:16971491). In testis, primarily localized to the basal membrane of Sertoli cells and weakly expressed within the tubules (PubMed:35307651, PubMed:16971491). In testis, also present in spermatogonia at different stages. In brain, expressed in the choroid plexus epithelium, at the apical membrane as well as in the subapical intracellular vesicular compartments. In brain, also associated with neuronal bodies and axons in both the gray and the white matters of the frontal cortex (PubMed:16971491). |
| 功能 |
Mediates the Na+-independent transport of organic anions such as estrone-3-sulfate (PubMed:10873595). Mediates transport of prostaglandins (PG) E1 and E2, thyroxine (T4), deltorphin II, BQ-123 and vasopressin, but not DPDPE (a derivative of enkephalin lacking an N-terminal tyrosine residue), estrone-3-sulfate, taurocholate, digoxin nor DHEAS (PubMed:16971491). |