Follicle-stimulating hormone promoted pyruvate kinase isozyme type M2-induced glycolysis and proliferation of ovarian cancer cells

Archives of Gynecology and Obstetrics
Shuangdi LiYi Miao

Abstract

Reprogramming of cell metabolism is essential for tumor progression and the best-studied metabolic phenomenon of cancer cells is aerobic glycolysis, in which pyruvate kinase isozyme type M2 (PKM2) plays a critical role. Follicle-stimulating hormone (FSH) contributes to epithelial ovarian cancer progression and has been shown to regulate cell metabolism in ovaries. The aim of this study was to investigate the interaction between FSH and PKM2 and their effect on aerobic glycolysis and cell proliferation in ovarian cancer. SKOV3 and OVCAR3 ovarian cancer cells were treated with FSH at various doses to investigate its effect on cell proliferation and PKM2 expression. siRNA-PKM2-transfected SKOV3 and OVCAR3 cells were treated with FSH to examine whether the changes induced by FSH could be altered by siRNA-PKM2. Glucose and lactate levels were evaluated to observe the change in glycolysis in these cells. In the current study, FSH upregulated the expression of PKM2 and glycolysis in SKOV3 and OVCAR3 cells. PKM2 knockdown reduced FSH-induced cell growth and glycolysis. Moreover, FSH attenuated apoptosis that was induced by the inhibition of PKM2. Collectively, the findings of this study indicated that FSH promoted glycolysis in epithel...Continue Reading

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Citations

Apr 8, 2020·Cancers·Nurbubu T MoldogazievaAlexander A Terentiev

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