Resveratrol-induced apoptosis is enhanced by inhibition of autophagy in esophageal squamous cell carcinoma |
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| Institution: | 1. Department of Integrative Oncology, Affiliated Cancer Hospital of Shantou University Medical College, Shantou, China;2. Cancer Research Center, Shantou University, Shantou, China;3. Open Laboratory for Tumor Molecular Biology and Department of Biochemistry, Shantou University, Shantou, China;4. Department of Biochemistry and Molecular Biology and Center for Chronic, Disorders of Aging, Philadelphia College of Osteopathic Medicine, Philadelphia, USA |
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| Abstract: | The anti-cancer activity of resveratrol in human esophageal squamous cell carcinoma (ESCC) was investigated focusing on the role of autophagy and its effects on apoptotic cell death. We demonstrated that resveratrol inhibits ESCC cell growth in a dose-dependent manner by inducing cell cycle arrest at the sub-G1 phase and resulting in subsequent apoptosis. Mechanistically, resveratrol-induced autophagy in the ESCC cells is AMPK/mTOR pathway independent. Since both pharmacological and genetic inhibition of autophagy enhanced the resveratrol-induced cytotoxicity to the ESCC cells, this provided a novel strategy in potentiating the anti-cancer effects of resveratrol and other chemotherapeutic reagents in ESCC cancer treatment. |
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| Keywords: | Resveratrol Esophageal squamous cell carcinoma Autophagy Apoptosis |
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