One of the major problems related with the curative treatment of cancer patients is resistance against anticancer drugs. This resistance, which may occur from the beginning or is evident only later as an acquired phenomenon, is due to the action of drug transporters. These transmembrane proteins belong to the ATP-binding cassette (ABC) transporters which reduce bioavailability of drugs, but also determine the elimination of xenobiotics into bile, urine and feces. The present review summarizes recent knowledge in this area, highlighting the mechanism of action of these transporters, its clinical significance and its possible modulation. Novel approaches to overcome multidrug resistance include agents which inhibit or circumvent this efflux mechanism. For the latter category developments in nanomedicine may be of consequence. However, in spite of considerable progress in research regarding multidrug resistance, the phase of efficacious clinical use of this knowledge has not been reached yet.

Multidrug resistance in cancer: Its mechanism and its modulation

ERBA, PAOLA ANNA;MARIANI, GIULIANO;
2007-01-01

Abstract

One of the major problems related with the curative treatment of cancer patients is resistance against anticancer drugs. This resistance, which may occur from the beginning or is evident only later as an acquired phenomenon, is due to the action of drug transporters. These transmembrane proteins belong to the ATP-binding cassette (ABC) transporters which reduce bioavailability of drugs, but also determine the elimination of xenobiotics into bile, urine and feces. The present review summarizes recent knowledge in this area, highlighting the mechanism of action of these transporters, its clinical significance and its possible modulation. Novel approaches to overcome multidrug resistance include agents which inhibit or circumvent this efflux mechanism. For the latter category developments in nanomedicine may be of consequence. However, in spite of considerable progress in research regarding multidrug resistance, the phase of efficacious clinical use of this knowledge has not been reached yet.
2007
Pauwels, Ek; Erba, PAOLA ANNA; Mariani, Giuliano; Gomes, Cm
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/183095
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