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논문 기본 정보

자료유형
학술저널
저자정보
Sahng Wook Park (Yonsei University) Sarah Yoon (Yonsei University) Jong-Seok Moon (Yonsei University) Byeong-Woo Park (Yonsei University) Kyung-Sup Kim (Yonsei University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 17. no 5
발행연도
2008.10
수록면
1,047 - 1,051 (5page)

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Overexpression of HER2 in breast cancer cells is considered to induce the expression of acetyl-CoA carboxylase α (ACACA) and fatty acid synthase (FASN) through activation of mammalian target of rapamycin (mTOR) signaling pathway. Resveratrol, a red wine polyphenol, has been shown to induce apoptosis in several cancers by interfering in several signaling pathways. Present study elucidated the mechanism by which resveratrol downregulates ACACA and FASN in breast cancer cells. Resveratrol activated AMP-activated protein kinase (AMPK) and downregulated mTOR in BT-474 cells. These effects of resveratrol were mimicked by AICAR, an AMPK activator, and exogenously expressed constitutively active AMPK, while they were abolished by a dominant-negative mutant of AMPK. The downregulation of mTOR was not accompanied with changes in Akt, the upstream regulator of mTOR. These findings indicate that the downregulation of ACACA and FASN by resveratrol is mediated by the downregulation of mTOR signaling pathway via activation of AMPK.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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