RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway

Chaochao Wang, Hao Xue, Rongrong Zhao, Zhongzheng Sun, Xiao Gao, Yanhua Qi, Huizhi Wang, Jianye Xu, Lin Deng, Gang Li

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Front. Med. ›› 2023, Vol. 17 ›› Issue (1) : 143-155. DOI: 10.1007/s11684-022-0929-y
RESEARCH ARTICLE
RESEARCH ARTICLE

RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway

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Abstract

Gliomas are the most common central nervous system tumours; they are highly aggressive and have a poor prognosis. RGS16 belongs to the regulator of G-protein signalling (RGS) protein family, which plays an important role in promoting various cancers, such as breast cancer, pancreatic cancer, and colorectal cancer. Moreover, previous studies confirmed that let-7c-5p, a well-known microRNA, can act as a tumour suppressor to regulate the progression of various tumours by inhibiting the expression of its target genes. However, whether RGS16 can promote the progression of glioma and whether it is regulated by miR let-7c-5p are still unknown. Here, we confirmed that RGS16 is upregulated in glioma tissues and that high expression of RGS16 is associated with poor survival. Ectopic deletion of RGS16 significantly suppressed glioma cell proliferation and migration both in vitro and in vivo. Moreover, RGS16 was validated as a direct target gene of miR let-7c-5p. The overexpression of miR let-7c-5p obviously downregulated the expression of RGS16, and knocking down miR let-7c-5p had the opposite effect. Thus, we suggest that the suppression of RGS16 by miR let-7c-5p can promote glioma progression and may serve as a potential prognostic biomarker and therapeutic target in glioma.

Keywords

RGS16 / let-7c-5p / glioma / proliferation / migration

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Chaochao Wang, Hao Xue, Rongrong Zhao, Zhongzheng Sun, Xiao Gao, Yanhua Qi, Huizhi Wang, Jianye Xu, Lin Deng, Gang Li. RGS16 regulated by let-7c-5p promotes glioma progression by activating PI3K-AKT pathway. Front. Med., 2023, 17(1): 143‒155 https://doi.org/10.1007/s11684-022-0929-y

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Acknowledgements

This work was supported by grants from the National Natural Science Foundation of China (Nos. 81874083, 82072776, 82072775, 81702468, 81802966, 81902540, 81874082, and 81472353), Natural Science Foundation of Shandong Province of China (Nos. ZR2019BH057, ZR2020QH174, and ZR2021LSW025), the Jinan Science and Technology Bureau of Shandong Province (No. 2021GXRC029), Key Clinical Research Project of Clinical Research Center of Shandong University (No. 2020SDUCRCA011) and Taishan Scholars of Shandong Province of China (No. tspd20210322), and Scientific Research Foundation of Qilu Hospital (Qingdao) (No. QDKY2019QN03).

Compliance with ethics guidelines

Chaochao Wang, Hao Xue, Rongrong Zhao, Zhongzheng Sun, Xiao Gao, Yanhua Qi, Huizhi Wang, Jianye Xu, Lin Deng , and Gang Li declare that they have no conflict of interest. All institutional and national guidelines for the care and use of laboratory animals were followed.

Electronic Supplementary Material

Supplementary material is available in the online version of this article at https://doi.org/10.1007/s11684-022-0929-y and is accessible for authorized users.

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