Title : Modulation of P-gp expression by lapatinib.

Pub. Date : 2011 Dec

PMID : 20607587






5 Functional Relationships(s)
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1 Modulation of P-gp expression by lapatinib. Lapatinib ATP binding cassette subfamily B member 1 Homo sapiens
2 We examined the impact of co-incubation of chemotherapy drugs in combination with lapatinib in P-gp over-expressing drug resistant cells. Lapatinib ATP binding cassette subfamily B member 1 Homo sapiens
3 Unexpectedly, lapatinib treatment, at clinically relevant concentrations, increased levels of the P-gp drug transporter in a dose- and time-responsive manner. Lapatinib ATP binding cassette subfamily B member 1 Homo sapiens
4 Despite the lapatinib-induced alteration in P-gp expression, use of accumulation, efflux and toxicity assays demonstrated that the induced alteration in P-gp expression by lapatinib had little direct impact on drug resistance. Lapatinib ATP binding cassette subfamily B member 1 Homo sapiens
5 Despite the lapatinib-induced alteration in P-gp expression, use of accumulation, efflux and toxicity assays demonstrated that the induced alteration in P-gp expression by lapatinib had little direct impact on drug resistance. Lapatinib ATP binding cassette subfamily B member 1 Homo sapiens