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J Med Chem. 2012 Jan 12;55(1):424-36. doi: 10.1021/jm201305y. Epub 2011 Dec 23.

Potent galloyl-based selective modulators targeting multidrug resistance associated protein 1 and P-glycoprotein.

Author information

1
Dipartimento Farmaco-Chimico, Università degli Studi di Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy.

Abstract

The multifactorial nature of chemotherapy failure in controlling cancer is often associated with the occurrence of multidrug resistance (MDR), a phenomenon likely related to the increased expression of members of the ATP binding cassette (ABC) transporter superfamily. In this respect, the most extensively characterized MDR transporters include ABCB1 (also known as MDR1 or P-glycoprotein) and ABCC1 (also known as MRP1) whose inhibition remains a priority to circumvent drug resistance. Herein, we report how the simple galloyl benzamide scaffold can be easily and properly decorated for the preparation of either MRP1 or P-gp highly selective inhibitors. In particular, some gallamides and pyrogallol-1-monomethyl ethers showed remarkable affinity and selectivity toward MRP1. On the other hand, trimethyl ether galloyl anilides, with few exceptions, exhibited moderate to very high and selective P-gp inhibition.

PMID:
22112208
DOI:
10.1021/jm201305y
[Indexed for MEDLINE]

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