miR-193a-5p Inhibits Migration and Invasion of Colorectal Cancer Cells Via Targeting Vimentin

Saeed Noorolyai, Behzad Baradaran


Background and Purpose: Colorectal cancer is the third leading cause of cancer death worldwide. MicroRNAs are a group of post-transcription regulators whose expression are altered in various cancers and affect the expression of different genes and contribute to cancer progression. According to studies, the expression of miR-193a-5p in some cancers, including colorectal cancer, is reduced. But so far, the main effects and mechanisms of miR-193a-5p in colorectal cancer are ambiguous and unknown. The purpose of this study was to investigate the effects of miR-193a-5p mimic transfection on HT-29 cell line and investigate the expression of vimentin molecule on these cells. Materials and Methods: First, the HT-29 cell line from colorectal cancer was cultured in RPMI-1640 culture media. Then, miR-193a-5p was transfected with Jet-PEI reagent and using the qRT-PCR technique, the expression of miR-193a-5p and vimentin gene was evaluated in miR-193a-5p transfected HT-29 cells and control group. Statistical analyzes were performed using GraphPad Prism 6 statistical software. Results: In this study, the simultaneous effect of miR-193a-5p mimic on HT-29 cells was investigated. Expression levels of miR-193a-5p was increased after transfection, and then, vimentin expression was altered, which was evaluated by using qRT-PCR. Conclusion: The results of this study revealed that miR-193a-5p may act as a tumor-suppressor by affecting the molecules such as vimentin. This microRNA has an important role in tumor metastasis. Therefore, it may be suggested as a potential therapeutic target in the treatment of colorectal cancer.


Colorectal Cancer, HT-29, miR193a, Vimentin

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DOI: https://doi.org/10.7575/aiac.abcmed.v.7n.1p.1


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