Transcription factor HOXC10 activates the expression of MTFR2 to regulate the proliferation, invasion and migration of colorectal cancer cells

Xie,Ying; Chen,Ran; Yan,Liujia; Jia,Zhangjun; Liang,Guangshu; Wang,Qin

doi:10.3892/mmr.2021.12437

Transcription factor HOXC10 activates the expression of MTFR2 to regulate the proliferation, invasion and migration of colorectal cancer cells

Authors:
- Ying Xie
- Ran Chen
- Liujia Yan
- Zhangjun Jia
- Guangshu Liang
- Qin Wang
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Affiliations: Department of Clinical Laboratory, Jiangsu Cancer Hospital, Nanjing, Jiangsu 210009, P.R. China
Published online on: September 14, 2021 https://doi.org/10.3892/mmr.2021.12437
Article Number: 797
Copyright: © Xie et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

HOXC10 and mitochondrial fission regulator 2 (MTFR2) have been reported to be abnormally expressed in multiple types of cancer tissues. However, the effects of HOXC10 and MTFR2 on colorectal cancer (CRC) remain poorly understood. Therefore, the present study aimed to investigate the expression of HOXC10 and MTFR2 in CRC tissues and cells, and analyze their effects on CRC cell proliferation, invasion and migration. Reverse transcription‑quantitative PCR and western blotting were used to detect the expression levels of MTFR2 and HOXC10 in tissues and cells. To investigate the association between MTFR2 and HOXC10, short hairpin RNA‑MTFR2 and overexpression vector‑HOXC10 were transfected into the cells, respectively. Furthermore, western blotting was performed to detect the expression levels of invasion‑associated proteins. The proliferation, clone formation, invasion and migration of colorectal cancer cells were in turn analyzed by the Cell Counting Kit‑8, clone formation, wound healing and Transwell assays. Japan Automotive Software Platform and Architecture software predicted the binding sites between HOXC10 and MTFR2, which was confirmed by the dual‑luciferase reporter assay and chromatin immunoprecipitation. The present study demonstrated that HOXC10 and MTFR2 mRNA and protein expression levels were significantly upregulated in CRC tissues and cells. MTFR2 knockdown significantly inhibited CRC cell proliferation, clone formation, invasion and migration. Furthermore, HOXC10 was shown to interact with MTFR2. HOXC10 overexpression was able to significantly reverse the inhibitory effects of MTFR2 knockdown on CRC cells. In conclusion, HOXC10 overexpression activated MTFR2 expression to enhance the proliferation, clone formation, invasion and migration of CRC cells.

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