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Luan N, Mu Y, Mu J, Chen Y, Ye X, Zhou Q, Xu M, Deng Q, Hu Y, Tang Z, Wang J. Dicer1 Promotes Colon Cancer Cell Invasion and Migration Through Modulation of tRF-20-MEJB5Y13 Expression Under Hypoxia. Front Genet 2021; 12:638244. [PMID: 33763118 PMCID: PMC7982525 DOI: 10.3389/fgene.2021.638244] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 02/15/2021] [Indexed: 01/01/2023] Open
Abstract
Hypoxia plays a key role in colorectal cancer (CRC) metastasis, but its underlying mechanism remains largely unknown. Dicer1, an RNase, has been considered as a tumor regulator in many tumors. However, whether Dicer1 affects CRC progression under hypoxia remains uncertain. In this study, we found that Dicer1 expression was induced by hypoxia in CRC cells and it mediates hypoxia-induced CRC cell progression. Furthermore, we found that the expression of tRF-20-MEJB5Y13, a small non-coding RNA derived from tRNA, was increased under hypoxic conditions, and its upregulation by Dicer1 resulted in hypoxia-induced CRC cell invasion and migration. These results advance the current understanding of the role of Dicer1 in regulating hypoxia signals and provide a new pathway for the development of therapeutic interventions for inhibiting cancer progression.
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Affiliation(s)
- Na Luan
- Department of Colorectal Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yali Mu
- Department of Colorectal Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiayi Mu
- Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yiquan Chen
- Department of Colorectal Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xun Ye
- Department of Colorectal Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qin Zhou
- Department of Colorectal Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Miaorong Xu
- Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qun Deng
- Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yeting Hu
- Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhe Tang
- Department of Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Surgery, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianwei Wang
- Department of Colorectal Surgery, 4th Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, Department of Colorectal Surgery and Oncology, 2nd Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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