Transcriptional Repression of Aerobic Glycolysis by OVOL2 in Breast Cancer.

Transcriptional Repression of Aerobic Glycolysis by OVOL2 in Breast Cancer.
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OVOL2 在乳腺癌中对有氧糖酵解的转录抑制

DOI:
10.1002/advs.202200705
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发表时间:
2022-09
期刊:
影响因子:
15.1
通讯作者:
Ye, Qinong
Ye, Qinong
中科院分区:
材料科学1区
文献类型:
--
作者:
Zhang, Xiujuan;Luo, Fei;Luo, Shaliu;Li, Ling;Ren, Xinxin;Lin, Jing;Liang, Yingchun;Ma, Chao;Ding, Lihua;Zhang, Deyu;Ye, Tianxing;Lin, Yanni;Jin, Bilian;Gao, Shan;Ye, Qinong

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有氧糖酵解(瓦尔堡效应)是癌症的标志,在癌细胞生长和转移中起着关键作用;然而,直接抑制瓦尔堡效应在很大程度上仍然未知。在此,转录因子OVO‐like zinc finger 2(OVOL 2)被证明在体外和体内直接抑制几种糖酵解基因的表达,阻断瓦尔堡效应和乳腺肿瘤生长和转移。OVOL 2通过募集核受体辅阻遏物(NCoR)和组蛋白脱乙酰酶3(HDAC 3)来抑制糖酵解。肿瘤抑制因子p53是癌症代谢的关键调节因子,通过与癌蛋白小鼠双微体2同源物(MDM 2)结合并抑制MDM 2介导的OVOL 2泛素化和降解来激活OVOL 2。OVOL 2表达与糖酵解基因表达呈负相关,可作为乳腺癌患者预后的良好预测因子。因此,靶向p53/MDM 2/OVOL 2轴为癌症治疗,特别是乳腺癌提供了潜在的途径。OVOL 2抑制糖酵解基因的转录(例如,小鼠双微体2同源物,HK 2)。OVOL 2可被MDM 2介导的泛素化和降解抑制,并在缺氧条件下被p53诱导,p53结合MDM 2并阻断MDM 2-OVOL 2相互作用。因此,p53/MDM 2/OVOL 2轴将糖酵解基因表达与糖酵解以及肿瘤生长和转移联系起来。
Aerobic glycolysis (Warburg effect), a hallmark of cancer, plays a critical role in cancer cell growth and metastasis; however, direct inhibition of the Warburg effect remains largely unknown. Herein, the transcription factor OVO‐like zinc finger 2 (OVOL2) is demonstrated to directly repress the expression of several glycolytic genes, blocking the Warburg effect and breast tumor growth and metastasis in vitro and in vivo. OVOL2 inhibits glycolysis by recruiting the nuclear receptor co‐repressor (NCoR) and histone deacetylase 3 (HDAC3). The tumor suppressor p53, a key regulator of cancer metabolism, activates OVOL2 by binding to the oncoprotein mouse double minute 2 homolog (MDM2) and inhibiting MDM2‐mediated ubiquitination and degradation of OVOL2. OVOL2 expression is negatively correlated with glycolytic gene expression and can be a good predictor of prognosis in patients with breast cancer. Therefore, targeting the p53/MDM2/OVOL2 axis provides a potential avenue for cancer treatment, especially breast cancer. OVOL2 inhibits the transcription of glycolytic genes (e.g., mouse double minute 2 homolog, HK2) by recruiting NCoR and HDAC3. OVOL2 can be repressed by MDM2‐mediated ubiquitination and degradation and induced under hypoxia by p53, which binds MDM2 and blocks the MDM2–OVOL2 interaction. Thus, the p53/MDM2/OVOL2 axis links glycolytic gene expression to glycolysis and tumor growth and metastasis.
Ovol2的表达与上皮特征相关,并在肝细胞癌中显示出良好的临床结果
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