The membrane bound drug efflux pump P-glycoprotein (P-gp) transports a wide variety of functionally and structurally diverse cytotoxic drugs out of tumour cells. Overexpression of P-glycoprotein is one of the predominant mechanisms responsible for development of multiple drug resistance in tumour therapy. Thus, inhibition of P-gp represents a promising approach for treatment of multidrug resistant tumours. This review highlights concepts for identification and optimization of new inhibitors of Pglycoprotein.
Keywords: inhibitors of p-glycoprotein, multidrug resistance, qsar, pharmacophore models
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