Cyclin G2 Inhibits the Warburg Effect and Tumour Progression by Suppressing LDHA Phosphorylation in Glioma

Li, Sen; Gao, Jinlan; Zhuang, Xinbin; Zhao, Chenyang; Hou, Xiaoyu; Xing, Xuesha; Chen, Chen; Liu, Qi; Liu, Shuang; Luo, Yang

doi:10.7150/ijbs.30297

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International Journal of Medical Sciences

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Int J Biol Sci 2019; 15(3):544-555. doi:10.7150/ijbs.30297 This issue Cite

Research Paper

Cyclin G2 Inhibits the Warburg Effect and Tumour Progression by Suppressing LDHA Phosphorylation in Glioma

Sen Li, Jinlan Gao, Xinbin Zhuang, Chenyang Zhao, Xiaoyu Hou, Xuesha Xing, Chen Chen, Qi Liu, Shuang Liu, Yang Luo^✉

The Research Center for Medical Genomics, Key Laboratory of Cell Biology, Ministry of Public Health, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China

Citation:

Li S, Gao J, Zhuang X, Zhao C, Hou X, Xing X, Chen C, Liu Q, Liu S, Luo Y. Cyclin G2 Inhibits the Warburg Effect and Tumour Progression by Suppressing LDHA Phosphorylation in Glioma. Int J Biol Sci 2019; 15(3):544-555. doi:10.7150/ijbs.30297. https://www.ijbs.com/v15p0544.htm

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Abstract

Cyclin G2 has been identified as a tumour suppressor in several cancers. However, its regulatory roles and underlying mechanisms in tumours are still unknown. In this study, we demonstrated that cyclin G2 was expressed at low levels in glioma, which was as a poor prognostic factor for this disease. We also found that, cyclin G2 could suppress cell proliferation, initiate cell apoptosis and reduce aerobic glycolysis, suggesting that cyclin G2 plays a tumour suppressive role in glioma. Mechanistically, cyclin G2 could negatively regulate tyrosine-10 phosphorylation of a critical glycolytic enzyme, lactate dehydrogenase A, through direct interaction. Taken together, these results indicate that cyclin G2 acts as a tumour suppressor in glioma by repressing glycolysis and tumour progression through its interaction with LDHA.

Keywords: glioma, Warburg effect, cyclin G2, lactate dehydrogenase A

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APA

Li, S., Gao, J., Zhuang, X., Zhao, C., Hou, X., Xing, X., Chen, C., Liu, Q., Liu, S., Luo, Y. (2019). Cyclin G2 Inhibits the Warburg Effect and Tumour Progression by Suppressing LDHA Phosphorylation in Glioma. International Journal of Biological Sciences, 15(3), 544-555. https://doi.org/10.7150/ijbs.30297.

ACS

Li, S.; Gao, J.; Zhuang, X.; Zhao, C.; Hou, X.; Xing, X.; Chen, C.; Liu, Q.; Liu, S.; Luo, Y. Cyclin G2 Inhibits the Warburg Effect and Tumour Progression by Suppressing LDHA Phosphorylation in Glioma. Int. J. Biol. Sci. 2019, 15 (3), 544-555. DOI: 10.7150/ijbs.30297.

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CSE

Li S, Gao J, Zhuang X, Zhao C, Hou X, Xing X, Chen C, Liu Q, Liu S, Luo Y. 2019. Cyclin G2 Inhibits the Warburg Effect and Tumour Progression by Suppressing LDHA Phosphorylation in Glioma. Int J Biol Sci. 15(3):544-555.

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