ArticleHeliyon2024
miR-4486 inhibits colorectal cancer proliferation via targeting MAP2K4 to inhibit the activation of the p38MAPK/JNK signaling.
Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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8 authors.
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Abstract
Objective: Since MAP2K4 was reportedly involved in colorectal cancer development and the p38MAPK/JNK signaling transcription, this study aimed to investigate the mechanism by which the microRNA (miR)-4486 acts on colorectal cell proliferation. Methods: RT-PCR was conducted to measure the expression levels of the MAP2K4 and miR-4486 in NCM460, SW1116, and HCT116 cells. TargetScanHuman site anticipated that MAP2K4 may be a target of miR-4486. The dual-luciferase reporter assay confirmed their relationship. After plasmids of miR-4486 mimic and si-MAP2K4 transfection, MAP2K4 was quantified again, The CCK-8 assay was carried out to assess cell proliferation, while Scratch and Transwell assays were used to evaluate cell migration and invasion. Finally, miR-4486 mimic and SB203580 were applied in HCT116 and SW1116 cells separately or in combination. CCK-8, Scratch and Transwell assay were performed again. In addition, the proteins including c-capase3, Bax, Bcl2, MAP2K4, and the p38MAPK/JNK signaling-related proteins expression levels were quantified by Western blot (WB). Results: Compared with the NCM460 cells, the expression level of MAP2K4 was elevated, while the expression level of miR-4486 was reduced in SW1116 and HCT116 cells. The results showed that elevated levels of miR-4486 suppressed cell proliferation, migration, and invasion in colorectal cells by downregulating MAP2K4 expression. miR-4486 mimic showed similar effects to SB203580, which promoted colorectal cell apoptosis and inhibited the p38 MAPK/JNK signaling transcription. Conclusion: miR-4486 may target MAP2K4 to inhibit colorectal cell proliferation by inhibiting the activation of the p38/JNK signaling pathway.
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