ArticleJournal of cancer research and clinical oncology2024
miR-182-5p promotes the proliferation and invasion of hilar cholangiocarcinoma cells by inhibiting FBXW7.
Article in Journal of cancer research and clinical oncology, 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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Abstract
backgroundHilar cholangiocarcinoma (HCCA) is a common type of cholangiocarcinoma (CHOL) that originates from the right and/or left hepatic duct near the biliary tract confluence. The objective of this study is to investigate the impact of miR-182-5p on the proliferation and invasion of HCCA cells and identify a potential target for HCCA treatment.
methodsHCCA tissues were collected and HCCA cells were cultured. miR-182-5p and F-box and WD repeat domain containing 7 (FBXW7) were detected. After transfection of miR-182-5p inhibitor into HCCA cells, cell proliferation and invasion were detected by cell counting 8-kit and Transwell assay. FBXW7 expression was detected by Western blot. The targeted relationship between miR-182-5p and FBXW7 3'UTR was verified by dual-luciferase report assay. si-FBXW7 and miR-182-5p inhibitor were transfected into cells for combined experiments. HCCA cells with lowly-expressed miR-182-5p were injected into nude mice to establish the xenograft tumor model, and subsequent observations were made on tumor growth and gene expression changes.
resultsmiR-182-5p exhibited high expression levels in both HCCA tissues and cell lines. Inhibiting miR-182-5p effectively suppressed the proliferation and migration of HCCA cells. miR-182-5p bounded to FBXW7 3 'UTR and inhibited FBWX7 expression. Suppressing FBXW7 expression partially reversed the inhibitory effect of miR-182-5p inhibitor on HCCA cell proliferation and invasion. Silencing miR-182-5p could inhibit the HCCA growth in vivo.
conclusionmiR-182-5p promoted the proliferation and invasion of HCCA cells by targeting and inhibiting FBXW7 expression.
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