SGK2 promotes prostate cancer metastasis by inhibiting ferroptosis via upregulating GPX4.
SGK2 promotes prostate cancer metastasis by inhibiting ferroptosis via upregulating GPX4.
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DOI：
10.1038/s41419-023-05614-5
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发表时间：
2023-01-31
影响因子：
9
通讯作者：
Xing, Yifei
中科院分区：
文献类型：
--
作者：
Cheng, Lulin;He, Qingliu;Liu, Bing;Chen, Liang;Lv, Fang;Li, Xuexiang;Li, Yunxue;Liu, Chunyu;Song, Yarong;Xing, Yifei
Recent research has shown that ferroptosis, the iron-dependent accumulation of lipid peroxides that leads to cell death, suppresses cancer metastasis. However, the role of ferroptosis in prostate cancer metastasis has not been completely elucidated. In the current study, we identified the essential role of serum/glucocorticoid regulated kinase 2 (SGK2) in promoting prostate cancer metastasis by inhibiting ferroptosis. We found that the expression of SGK2 was higher in metastatic prostate cancer and predicted poor clinical outcomes. SGK2 knockdown inhibited the metastatic capacity of prostate cancer cells in vivo and in vitro, while SGK2 overexpression inhibited ferroptosis and facilitated prostate cancer metastasis by phosphorylating the Thr-24 and Ser-319 sites of forkhead box O1 (FOXO1). This process induced the translocation of FOXO1 from the nucleus to the cytoplasm, relieving the inhibitory effect of FOXO1 on glutathione peroxidase 4 (GPX4). These findings delineated a novel role of SGK2 in ferroptosis regulation of prostate cancer metastasis, identifying a new key pathway driving prostate cancer metastasis and potentially providing new treatment strategies for metastatic prostate cancer.
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影响因子：
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