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Abstract Title:

Vitamin C induces apoptosis in AGS cells via production of ROS of mitochondria.

Abstract Source:

Oncol Lett. 2016 Nov ;12(5):4270-4276. Epub 2016 Sep 29. PMID: 27895802

Abstract Author(s):

Jae Young Lim, Donghyun Kim, Bok Ran Kim, Jin Su Jun, Jung Sook Yeom, Ji Sook Park, Ji-Hyun Seo, Chan Hoo Park, Hyang Ok Woo, Hee-Shang Youn, Seung-Chul Baik, Woo-Kon Lee, Myung-Je Cho, Kwang-Ho Rhee

Article Affiliation:

Jae Young Lim

Abstract:

It has been demonstrated that vitamin C exhibits anti-cancer activity in various tumor cell lines; however, its specific mechanism of action remains unknown. Although the diagnosis and therapy of cancer patients have markedly improved in recent years, safer and more cost-effective treatments are still required. Therefore, the present study examined the effect of vitamin C on the induction of cell death in gastric cancer and its underlying mechanism of action. It was observed that the cytotoxicity of vitamin C on the human gastric cancer cell line AGS is dependent on the apoptotic pathway, including caspase cascades, but not on the necroptotic pathway. It was demonstrated that the vitamin C-induced calcium influx and ROS generation have critical roles in the induction of apoptosis. Furthermore, vitamin C treatment depleted adenosine triphosphate (ATP) production in AGS cells, and the autophagy pathway may be involved in this process. Taken together, the current study suggests that a high dose of vitamin C may induce gastric cancer cell apoptosis through the dysfunction of mitochondria, including calcium influx, reactive oxygen species generation and ATP depletion.

Study Type : In Vitro Study

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