Title : Antifolate resistance mediated by the multidrug resistance proteins MRP1 and MRP2.

Pub. Date : 1999 Jun 1

PMID : 10363967






1 Functional Relationships(s)
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1 Evidence for MRP-mediated antifolate efflux relies upon the following findings: (a) a 2-3.3-fold lower accumulation of [3H]MTX and subsequent reduced formation of long-chain polyglutamate forms of MTX; (b) reversal of MTX resistance by probenecid in both transfectants, and (c) ATP-dependent uptake of [3H]MTX in inside-out vesicles of MRP1 and MRP2 transfectants. Probenecid ATP binding cassette subfamily C member 1 Homo sapiens