【摘 要】
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Lipid metabolism disorder caused by the upregulation of lipogenic genes is a typical feature of prostate cancer.The synthesis of fatty acids is enhanced to accelerate the development of prostate cancer and is considered as a potential therapeutic target.E
【机 构】
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School of Integrative Medicine,Tianjin University of Traditional Chinese Medicine,Tianjin 301617,Chi
论文部分内容阅读
Lipid metabolism disorder caused by the upregulation of lipogenic genes is a typical feature of prostate cancer.The synthesis of fatty acids is enhanced to accelerate the development of prostate cancer and is considered as a potential therapeutic target.Epicatechin gallate,an active compound of green tea,has been reported to modulate lipid metabolism.In this research,the potential role of epicatechin gallate in prostate cancer cells was evaluated.The results indicated that epicatechin gallate downregulates the expression of acetyI-CoA carboxylase,ATP citrate lyase,and fatty acid synthase in prostate cancer cells and prostate xenograft tissues,suggesting that epicatechin gal-late can inhibit de novo fatty acid synthesis.Moreover,epicatechin gallate significantly restrains the migration rather than the viability of prostate cancer ceils.PI3K/AKT/mTOR signaling path-way,which exhibits regulatory effect on lipogenesis,is also inhibited under epicatechin gallate treatment,while pretreatment with AKT activator SC79 or mTOR activator MHY1485 blocks the inhibitory effect of epicatechin gallate on the expression of lipogenic genes and the migration of prostate cancer cells.In conclusion,this study revealed that epicatechin gallate impairs the synthesis of fatty acids via inhibition PI3K/AKT/mTOR signaling pathway and then attenuates the migration of prostate cancer cells.
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