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NFE2L3 drives hepatocellular carcinoma cell proliferation by regulating the proteasome-dependent degradation of ISGylated p53

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机构: [1]Institute of Basic Medicine and Forensic Medicine, North Sichuan Medical College, Nanchong, China. [2]Research Center of Clinical Medical Sciences, Affiliated Hospital of North Sichuan Medical College, Nanchong, China. [3]Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Institute of Translational Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China. [4]School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen, China. [5]Shenzhen Luohu Hospital Group, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China.
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关键词: cell proliferation ISGylation NFE2L3 p53 proteasome

摘要:
Nuclear factor erythroid 2-like 3 (NFE2L3) is a member of the cap 'n' collar basic-region leucine zipper (CNC-bZIP) transcription factor family that plays a vital role in modulating oxidation-reduction steady-state and proteolysis. Accumulating evidence suggests that NFE2L3 participates in cancer development; however, little is known about the mechanism by which NFE2L3 regulates hepatocellular carcinoma (HCC) cell growth. Here, we confirmed that NFE2L3 promotes HCC cell proliferation by acting as a transcription factor, which directly induces the expression of proteasome and interferon-stimulated gene 15 (ISG15) to enhance the proteasome-dependent degradation of ISGylated p53. Post-translational ISGylation abated the stability of p53 and facilitated HCC cell growth. In summary, we uncovered the pivotal role of NFE2L3 in promoting HCC cell proliferation during proteostasis. This finding may provide a new target for the clinical treatment of HCC.© 2023 The Authors. Cancer Science published by John Wiley & Sons Australia, Ltd on behalf of Japanese Cancer Association.

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大类 | 2 区 医学
小类 | 2 区 肿瘤学
最新[2023]版:
大类 | 2 区 医学
小类 | 2 区 肿瘤学
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Q1 ONCOLOGY
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Q1 ONCOLOGY

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第一作者机构: [1]Institute of Basic Medicine and Forensic Medicine, North Sichuan Medical College, Nanchong, China. [2]Research Center of Clinical Medical Sciences, Affiliated Hospital of North Sichuan Medical College, Nanchong, China. [3]Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Institute of Translational Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China. [*1]Institute of Basic Medicine and Forensic Medicine, North Sichuan Medical College, 55 Dongshun Road, Gaoping District, Nanchong 637000, China
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通讯机构: [1]Institute of Basic Medicine and Forensic Medicine, North Sichuan Medical College, Nanchong, China. [2]Research Center of Clinical Medical Sciences, Affiliated Hospital of North Sichuan Medical College, Nanchong, China. [3]Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Institute of Translational Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China. [5]Shenzhen Luohu Hospital Group, The Third Affiliated Hospital of Shenzhen University, Shenzhen, China. [*1]Institute of Basic Medicine and Forensic Medicine, North Sichuan Medical College, 55 Dongshun Road, Gaoping District, Nanchong 637000, China [*2]Shenzhen Luohu Hospital Group, The Third Affiliated Hospital of Shenzhen University, 47 Youyi Road, Luohu District, Shenzhen 518035, China
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