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Glutamine synthetase licenses APC/C-mediated mitotic progression to drive cell growth
JS. Zhao, S. Shi, HY. Qu, Z. Keckesova, ZJ. Cao, LX. Yang, X. Yu, L. Feng, Z. Shi, J. Krakowiak, RY. Mao, YT. Shen, YM. Fan, TM. Fu, C. Ye, D. Xu, X. Gao, J. You, W. Li, T. Liang, Z. Lu, YX. Feng
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- glutaminsynthetasa MeSH
- licence MeSH
- lidé MeSH
- myši MeSH
- nádory plic * MeSH
- nemalobuněčný karcinom plic * MeSH
- proliferace buněk MeSH
- proteiny buněčného cyklu metabolismus MeSH
- zvířata MeSH
- Check Tag
- lidé MeSH
- myši MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Tumors can reprogram the functions of metabolic enzymes to fuel malignant growth; however, beyond their conventional functions, key metabolic enzymes have not been found to directly govern cell mitosis. Here, we report that glutamine synthetase (GS) promotes cell proliferation by licensing mitotic progression independently of its metabolic function. GS depletion, but not impairment of its enzymatic activity, results in mitotic arrest and multinucleation across multiple lung and liver cancer cell lines, patient-derived organoids and xenografted tumors. Mechanistically, GS directly interacts with the nuclear pore protein NUP88 to prevent its binding to CDC20. Such interaction licenses activation of the CDC20-mediated anaphase-promoting complex or cyclosome to ensure proper metaphase-to-anaphase transition. In addition, GS is overexpressed in human non-small cell lung cancer and its depletion reduces tumor growth in mice and increases the efficacy of microtubule-targeted chemotherapy. Our findings highlight a moonlighting function of GS in governing mitosis and illustrate how an essential metabolic enzyme promotes cell proliferation and tumor development, beyond its main metabolic function.
Cancer Center Zhejiang University Hangzhou China
Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Prague Czech Republic
Institute of Translational Medicine Zhejiang University School of Medicine Hangzhou China
Life Sciences Institute Zhejiang University Hangzhou China
School of Life Sciences Westlake University Hangzhou China
Shanghai Advanced Institute of Immunochemical Studies ShanghaiTech University Shanghai China
Citace poskytuje Crossref.org
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