Abstract
The miR-497-195 cluster facilitates the occurrence and development of cancer. This study aims to investigate whether the miR-195-497 cluster could regulate the progression of colorectal cancer by regulating the common target gene, FOS-related antigen 1 (FRA1). Overexpression of the miR-195/497 vector was used to evaluate the effect of overexpression of miR-195-497 clusters on the biological behavior of colon cancer cells. In animal experiments, tumor growth and metastasis were recorded by constructing a nude mouse model of a subcutaneously implanted tumor. miR-195 and miR-497 were expressed to varying degrees in Caco-2, LoVo, and HT-29 cells. Overexpression of miR-195/497 and inhibition of FRA1 decreased HT-29 cell proliferation, inhibited cell invasion and migration, and promoted Epithelial-mesenchymal transition (EMT). In vivo experiments showed that the overexpression of miR-195/497 or inhibition of FRA1 inhibited tumor growth, affected EMT in tumor cells, and inhibited the expression of FRA1. Additionally, the aforementioned conditions had the best effect when used together. The miR-195-497 cluster can regulate the proliferation, EMT, invasion, and migration of colorectal cancer cells by regulating the common target gene FRA1, thereby affecting the development of colorectal cancer.
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LH and WD conceptualized, designed the study and write manuscript. HW responsible for data collection and analysis. JZ responsible for article checking literature search.
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This study was approved by the ethics committee of Wuhan Myhalic Biotechnology Co., Ltd (HLK-20220520-005). All animal experiments are in compliance with the relevant regulations of the Hubei Provincial Animal Management Committee “Experimental Animal Ethics Certificate”. This article does not contain any studies with human participants performed by any of the authors.
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Huang, L., Ding, W., Wu, H. et al. miR-497/195 Cluster Affects the Development of Colorectal Cancer by Targeting FRA1. Mol Biotechnol 66, 1019–1030 (2024). https://doi.org/10.1007/s12033-023-01000-w
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DOI: https://doi.org/10.1007/s12033-023-01000-w