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Article Publish Status: FREE
Abstract Title:

The reversal of antineoplastic drug resistance in cancer cells byβ-elemene.

Abstract Source:

Chin J Cancer. 2015 Sep 14 ;34(11):488-95. Epub 2015 Sep 14. PMID: 26370907

Abstract Author(s):

Guan-Nan Zhang, Charles R Ashby, Yun-Kai Zhang, Zhe-Sheng Chen, Huiqin Guo

Article Affiliation:

Guan-Nan Zhang

Abstract:

Multidrug resistance (MDR), defined as the resistance of cancer cells to compounds with diverse structures and mechanisms of actions, significantly limits the efficacy of antitumor drugs. A major mechanism that mediates MDR in cancer is the overexpression of adenosine triphosphate (ATP)-binding cassette transporters. These transporters bind to their respective substrates and catalyze their efflux from cancer cells, thereby lowering the intracellular concentrations of the substrates and thus attenuating or even abolishing their efficacy. In addition, cancer cells can become resistant to drugs via mechanisms that attenuate apoptosis and cell cycle arrest such as alterations in the p53, check point kinase, nuclear factor kappa B, and the p38 mitogen-activated protein kinase pathway. In this review, we discuss the mechanisms by whichβ-elemene, a compound extracted from Rhizoma zedoariae that has clinical antitumor efficacy, overcomes drug resistance in cancer.

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Sayer Ji
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