期刊
CANCER MEDICINE
卷 7, 期 9, 页码 4610-4618出版社
WILEY
DOI: 10.1002/cam4.1691
关键词
cryptotanshinone; glucose metabolism; ovarian cancer; SIRT3
类别
资金
- National Nature Science Foundation of China [81502235]
- Traditional Chinese Medicine Research Fund of Shanghai Municipal commission of Health and Family Planning [WS-ZY1201]
Ovarian cancer is the most malignant gynecologic cancer among women worldwide. Cryptotanshinone (CT), isolated from Salvia miltiorrhiza Bunge, has been identified as a potential therapeutic agent in treating several malignant tumors, but the molecular mechanism of CT in ovarian cancer still remains illustrated. Here, we sought to elucidate the regulatory function of CT on cell glucose metabolism in ovarian cancer. The treatment of CT on ovarian cancer cells effectively inhibited glucose uptake and lactate production in ovarian cancer cells. The expression levels of glycolysis-related proteins, such as GLUT1, LDHA, and HK2, were decreased by the treatment of CT detected by qRT-PCR and innunoblotting. Mechanistically, CT exerted its antitumor effect by targeting STAT3/SIRT3/HIF-1 alpha signaling pathway in vitro and in vivo, which could be rescued by the introduction of SIRT3 shRNA in ovarian cancer cells. The clinical data showed that the expression level of STAT3 in ovarian cancer patients' sera and tissues was positively correlated with those of GLUT], I,DHA, HK2 and HIF-1 alpha, but negatively with that of SIRT3 These findings provide evidence that CT inhibited cellular glycolysis-induced cell growth and proliferation through repression of STAT3/SIRT3/HIF-1 alpha signaling pathway, indicating that CT may be developed as a chemotherapeutic agent to treat ovarian cancer.
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