Hsa_circ_0003596, As a Novel Oncogene, Regulates the Malignant Behavior of Renal Cell Carcinoma by Modulating Glycolysis

Overview

Journal Eur J Med Res

Publisher Biomed Central

Specialty General Medicine

Date 2023 Sep 2

PMID 37660068

Authors

Qingzhi Xie

Fuqiang Qin

Lihui Luo

ShaoQuan Deng

Ke Zeng

Yunchou Wu

DunMing Liao

Lin Luo

Kangning Wang

Affiliations

Soon will be listed here.

Abstract

Background: This research was planned to analyze hsa_circ_0003596 (circCOL5A1) and glycolysis-focused mechanisms in renal cell carcinoma (RCC).

Methods: circCOL5A1, miR-370-5p, and PRKCSH levels were determined in RCC tissues and selected cell lines by RT-qPCR and/or Western blot. RCC cells after corresponding transfection were tested by colony formation assay, EdU assay, Transwell assay, and flow cytometry to analyze cell proliferation, invasion, migration, and apoptosis. Meanwhile, glycolysis in cells was evaluated by measuring glucose consumption, lactic acid, and ATP production, as well as immunoblotting for HK2 and PKM2. In addition, circCOL5A1 knockdown was performed in animal experiments to observe tumor growth and glycolysis. Finally, the ceRNA network between circCOL5A1, miR-370-5p, and PRKCSH was studied by luciferase reporter assay and RIP experiment.

Results: circCOL5A1 and PRKCSH were highly expressed and miR-370-5p was poorly expressed in RCC. circCOL5A1 knockdown depressed RCC proliferation, invasion, migration, and glycolysis, and enhanced apoptosis. circCOL5A1 competitively adsorbed miR-370-5p. Artificial upregulation of miR-370-5p saved the pro-tumor effect of circCOL5A1 on RCC cells, as evidenced by suppression of tumor malignancy and glycolysis. miR-370-5p targeted PRKCSH. PRKCSH overexpression contributed to a reversal of the anti-tumor effect of circCOL5A1 silencing. Silencing circCOL5A1 inhibited RCC tumor growth and glycolysis.

Conclusions: circCOL5A1 regulates the malignant behavior of RCC by modulating glycolysis.

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