Title : The sulphonylurea glibenclamide inhibits multidrug resistance protein (MRP1) activity in human lung cancer cells.

Pub. Date : 2001 Feb

PMID : 11159731






7 Functional Relationships(s)
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1 The sulphonylurea glibenclamide inhibits multidrug resistance protein (MRP1) activity in human lung cancer cells. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens
2 Intracellular accumulation of calcein, an anionic dye substrate for MRP1, was strongly increased by glibenclamide in a dose-dependent manner in MRP1-overexpressing lung tumour GLC4/Sb30 cells through inhibition of MRP1-related calcein efflux. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens
3 Intracellular accumulation of calcein, an anionic dye substrate for MRP1, was strongly increased by glibenclamide in a dose-dependent manner in MRP1-overexpressing lung tumour GLC4/Sb30 cells through inhibition of MRP1-related calcein efflux. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens
4 Intracellular accumulation of calcein, an anionic dye substrate for MRP1, was strongly increased by glibenclamide in a dose-dependent manner in MRP1-overexpressing lung tumour GLC4/Sb30 cells through inhibition of MRP1-related calcein efflux. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens
5 Glibenclamide used at 12.5 microM was, moreover, found to strongly enhance the sensitivity of GLC4/Sb30 cells towards vincristine, an anticancer drug handled by MRP1. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens
6 In summary, glibenclamide reversed MRP1-mediated drug resistance likely through inhibiting MRP1 activity and blocked organic anion efflux from MRP2-expressing hepatocytes. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens
7 In summary, glibenclamide reversed MRP1-mediated drug resistance likely through inhibiting MRP1 activity and blocked organic anion efflux from MRP2-expressing hepatocytes. Glyburide ATP binding cassette subfamily B member 1 Homo sapiens