Title : Metformin Is a Substrate and Inhibitor of the Human Thiamine Transporter, THTR-2 (SLC19A3).

Pub. Date : 2015 Dec 7

PMID : 26528626






4 Functional Relationships(s)
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1 Our study demonstrated that human THTR-2 (hTHTR-2), SLC19A3, which is highly expressed in the small intestine, but not hTHTR-1, transports metformin (Km = 1.15 +- 0.2 mM) and other cationic compounds (MPP(+) and famotidine). Famotidine solute carrier family 19 member 3 Homo sapiens
2 Our study demonstrated that human THTR-2 (hTHTR-2), SLC19A3, which is highly expressed in the small intestine, but not hTHTR-1, transports metformin (Km = 1.15 +- 0.2 mM) and other cationic compounds (MPP(+) and famotidine). Famotidine solute carrier family 19 member 3 Homo sapiens
3 Our study demonstrated that human THTR-2 (hTHTR-2), SLC19A3, which is highly expressed in the small intestine, but not hTHTR-1, transports metformin (Km = 1.15 +- 0.2 mM) and other cationic compounds (MPP(+) and famotidine). Famotidine solute carrier family 19 member 3 Homo sapiens
4 Furthermore, metformin as well as other drugs including phenformin, chloroquine, verapamil, famotidine, and amprolium inhibited hTHTR-2 mediated uptake of both thiamine and metformin. Famotidine solute carrier family 19 member 3 Homo sapiens