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The red wine component ellagic acid induces autophagy and exhibits anti‐lung cancer activity in vitro and in vivo
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The red wine component ellagic acid induces autophagy and exhibits anti‐lung cancer activity in vitro and in vivo
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Journal Article
The red wine component ellagic acid induces autophagy and exhibits anti‐lung cancer activity in vitro and in vivo
2019
Overview
Red wine consists of a large amount of compounds such as resveratrol, which exhibits chemopreventive and therapeutic effects against several types of cancers by targeting cancer driver molecules. In this study, we tested the anti‐lung cancer activity of 11 red wine components and reported that a natural polyphenol compound ellagic acid (EA) inhibited lung cancer cell proliferation at an efficacy approximately equal to that of resveratrol. EA markedly increased the expression of the autophagosomal marker LC3‐II as well as inactivation of the mechanistic target of rapamycin signalling pathway. EA elevated autophagy‐associated cell death by down‐regulating the expression of cancerous inhibitor of protein phosphatase 2A (CIP2A), and CIP2A overexpression attenuated EA‐induced autophagy of lung cancer cells. Treating tumour‐bearing mice with EA resulted in significant inhibition of tumour growth with suppression of CIP2A levels and increased autophagy. In addition, EA potentiated the inhibitory effects of the natural compound celastrol on lung cancer cells in vitro and in vivo by enhancing autophagy and down‐regulating CIP2A. These findings indicate that EA may be a promising chemotherapeutic agent for lung cancer, and that the combination of EA and celastrol may have applicability for the treatment of this disease.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc
Subject
/ Antineoplastic Agents - pharmacology
/ Antineoplastic Combined Chemotherapy Protocols - pharmacology
/ Cell Proliferation - drug effects
/ CIP2A
/ Ellagic Acid - administration & dosage
/ Female
/ Gene Expression Regulation, Neoplastic - drug effects
/ Humans
/ Intracellular Signaling Peptides and Proteins - genetics
/ Kinases
/ Lung Neoplasms - drug therapy
/ Membrane Proteins - genetics
/ Original
/ Triterpenes - administration & dosage
/ Tumors
/ Wine
