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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
Tumor cells whose multidrug resistance is caused by the P-glycoprotein ( Pgp) mediated anti-cancer drug (ACD) efflux can be chemosensitized by cyclosporins, whose derivatives were found to display a whole range of resistance-modulating activities. Similarly, derivatives of the non-immunosuppressive natural fungus cyclic peptolide SDZ 90-215 were recently shown to display a broad range of chemosensitizing activities. With highly resistant cells expressing high levels of Pgp, one such compound (SDZ 280-125) was shown here to restore both a normal sensitivity to the growth-inhibitory effects of ACD and a normal retention of an anthracycline antibiotic. With both read-outs, SDZ 280-125 activity was about 3-fold that of cyclosporin A (CsA). SDZ 280-125 also displayed the same profile of chemosensitization as CsA for different ACD classes.[1]
