1. Trim21-mediated HIF-1α degradation attenuates aerobic glycolysis to inhibit renal cancer tumorigenesis and metastasis
- Author
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Zhongwei Li, Sufang Chu, Wenwen Wang, Xintian Chen, Junnian Zheng, Hongmei Yong, Pingfu Hou, Diandian Wang, Minle Li, and Jin Bai
- Subjects
0301 basic medicine ,Cancer Research ,Carcinogenesis ,Mice, Nude ,urologic and male genital diseases ,medicine.disease_cause ,Metastasis ,03 medical and health sciences ,Mice ,0302 clinical medicine ,In vivo ,Renal cell carcinoma ,Cell Line, Tumor ,Medicine ,Animals ,Humans ,Glycolysis ,Neoplasm Metastasis ,neoplasms ,Carcinoma, Renal Cell ,Mice, Inbred BALB C ,business.industry ,Cancer ,medicine.disease ,Hypoxia-Inducible Factor 1, alpha Subunit ,Prognosis ,female genital diseases and pregnancy complications ,In vitro ,Kidney Neoplasms ,030104 developmental biology ,Oncology ,Ribonucleoproteins ,Anaerobic glycolysis ,030220 oncology & carcinogenesis ,Cancer research ,Heterografts ,business - Abstract
Tripartite motif-containing 21 (Trim21) is mainly involved in antiviral responses and autoimmune diseases. Although Trim21 has been reported to have a cancer-promoting or anticancer effect in various tumours, its role in renal cell cancer (RCC) remains to be elucidated. In this study, we demonstrate that Trim21 is downregulated in primary RCC tissues. Low Trim21 expression in RCC is correlated with poor clinicopathological characteristics and short overall survival. Moreover, we illustrate that Trim21 inhibits RCC cells glycolysis through the ubiquitination-mediated degradation of HIF-1α, which inhibits the proliferation, tumorigenesis, migration, and metastasis of RCC cells in vitro and in vivo. Our findings show that Trim21 may become a promising predictive biomarker for the prognosis of patients with RCC.
- Published
- 2021