期刊
BIOCHIMIE
卷 118, 期 -, 页码 26-35出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biochi.2015.07.016
关键词
Resveratrol; TIGAR; Apoptosis; Autophagy
资金
- University Grants Commission, Government of India
Resveratrol has been shown to exhibit its anti-cancer effect through a variety of mechanisms. Here, TIGAR (TP53-Induced Glycolysis and Apoptosis Regulator) was identified as an important target of resveratrol for exhibiting ROS-dependent-consequences on apoptosis and autophagy. Resveratrol treatment decreased TIGAR protein irrespective of cell line used. Down-regulated TIGAR protein triggered a drop in reduced-glutathione levels which resulted in sustained ROS, responsible for apoptosis and autophagy. Over-expression and silencing experiments demonstrated the importance of TIGAR in affecting the ROS-dependent anti-cancer effects of resveratrol. Resveratrol treated cells exhibited autophagy to escape apoptosis, however, chloroquine treatment along with resveratrol, blocked protective autophagy and facilitated apoptosis. Collectively, results unravel the effects of resveratrol on TIGAR in mediating its ROS dependent influence and suggest a better combination therapy of resveratrol and chloroquine for probable cancer treatment. (C) 2015 Elsevier B.V. and Societe Francaise de Biochimie et Biologie Moleculaire (SFBBM). All rights reserved.
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