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Solute carrier family 22 member 2 is a protein that in humans is encoded by the SLC22A2gene.[1][2]
Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. This gene is one of three similar cation transporter genes located in a cluster on chromosome 6. The encoded protein contains twelve putative transmembrane domains and is a plasma integral membrane protein. It is found primarily in the kidney, where it may mediate the first step in cation reabsorption.[2]
↑Koehler MR, Wissinger B, Gorboulev V, Koepsell H, Schmid M (Jun 1998). "The two human organic cation transporter genes SLC22A1 and SLC22A2 are located on chromosome 6q26". Cytogenet Cell Genet. 79 (3–4): 198–200. doi:10.1159/000134720. PMID9605850.
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Gorboulev V, Ulzheimer JC, Akhoundova A, et al. (1997). "Cloning and characterization of two human polyspecific organic cation transporters". DNA Cell Biol. 16 (7): 871–81. doi:10.1089/dna.1997.16.871. PMID9260930.
Busch AE, Karbach U, Miska D, et al. (1998). "Human neurons express the polyspecific cation transporter hOCT2, which translocates monoamine neurotransmitters, amantadine, and memantine". Mol. Pharmacol. 54 (2): 342–52. PMID9687576.
Verhaagh S, Schweifer N, Barlow DP, Zwart R (1999). "Cloning of the mouse and human solute carrier 22a3 (Slc22a3/SLC22A3) identifies a conserved cluster of three organic cation transporters on mouse chromosome 17 and human 6q26-q27". Genomics. 55 (2): 209–18. doi:10.1006/geno.1998.5639. PMID9933568.
Gründemann D, Schömig E (2000). "Gene structures of the human non-neuronal monoamine transporters EMT and OCT2". Hum. Genet. 106 (6): 627–35. doi:10.1007/s004390050035. PMID10942111.
Pietig G, Mehrens T, Hirsch JR, et al. (2001). "Properties and regulation of organic cation transport in freshly isolated human proximal tubules". J. Biol. Chem. 276 (36): 33741–6. doi:10.1074/jbc.M104617200. PMID11447227.
Barendt WM, Wright SH (2002). "The human organic cation transporter (hOCT2) recognizes the degree of substrate ionization". J. Biol. Chem. 277 (25): 22491–6. doi:10.1074/jbc.M203114200. PMID11953440.
Urakami Y, Akazawa M, Saito H, et al. (2002). "cDNA cloning, functional characterization, and tissue distribution of an alternatively spliced variant of organic cation transporter hOCT2 predominantly expressed in the human kidney". J. Am. Soc. Nephrol. 13 (7): 1703–10. doi:10.1097/01.ASN.0000019413.78751.46. PMID12089365.
Leabman MK, Huang CC, Kawamoto M, et al. (2003). "Polymorphisms in a human kidney xenobiotic transporter, OCT2, exhibit altered function". Pharmacogenetics. 12 (5): 395–405. doi:10.1097/00008571-200207000-00007. PMID12142729.
Cetinkaya I, Ciarimboli G, Yalçinkaya G, et al. (2003). "Regulation of human organic cation transporter hOCT2 by PKA, PI3K, and calmodulin-dependent kinases". Am. J. Physiol. Renal Physiol. 284 (2): F293–302. doi:10.1152/ajprenal.00251.2002. PMID12388397.