Reversal of Multidrug Resistance and Computational Studies of Pistagremic Acid Isolated from Pistacia integerrima

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Department of Geology, University of Swabi, Anbar-23561, Khyber Pakhtunkhwa, Pakistan

Abstract

Pistagremic acid (PA) is a bioactive triterpenoid isolated from various parts of Pistacia integerrima plants. The aim of this research was to investigate PA for reversion of multidrug resistant (MDR) mediated by P-glycoprotein using rhodamine-123 exclusion study on a multidrug resistant human ABCB1 (ATP-binding cassette, sub-family B, member 1) gene-transfected mouse T-lymphoma cell line in vitro. Results were similar to those with verapamil as a positive control. Docking studies of PA and standard Rhodamine123 were carried out against a P-gp crystal structure which showed satisfactory results. Actually, PA cannot bind exactly where co-crystallized ligand of P-gp is already present. However, the docking study predicted that if a compound gives a lesser score then it may have some potency. The docking scores of PA and Rhodamine were similar. Therefore, we can conclude that there are certain important chemical features of PA which are responsible for the inhibiting potency of P-gp.
Asian Pacific Journal of Cancer Prevention
Volume 17, Issue 4 - Serial Number 4
April 2016
Pages 2311-2314

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