ArticleTranslational cancer research2020
MAP kinase-interacting kinase 1 (MNK1) plays as a tumor suppressor in bladder cancer.
Article in Translational cancer research, 2020. 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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10 authors at 5 institutions in 1 country.
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Abstract
backgroundMAP kinase-interacting kinase 1 (MNK1) has been reported to be over-expressed in several cancers, however, its expression level and biological function in bladder cancer (BCa) remains unclear.
methodsBesides analyzing human publicly available dataset, we used quantitative real-time PCR, western blotting and immunohistochemistry to evaluate the expression of MNK1 in BCa and the adjacent normal bladder epithelial tissues. In vitro and in vivo proliferation assays including cell counting kit-8 and xenograft assay were carried out to explore the role of MNK1 in BCa. Chi-square test and Cox proportional hazards regression model were performed to describe MNK1's clinical significance in BCa patients.
resultsCompared to normal bladder epithelia, MNK1 was down-regulated in the clinical tumor specimens and cell lines of BCa both at mRNA and protein level. MNK1 expression was found significantly associated with advanced T status and poor overall survival (OS) of BCa patients who had received radical cystectomy and was an independent prognostic biomarker for OS. Biological function assays demonstrated that MNK1 could impair the proliferation capacities of BCa cell lines both
conclusionsUnlike other cancers, MNK1 is low-expressed in BCa tissues and could inhibit the proliferation ability of BCa cells, which suggests that MNK1 might play as a tumor suppressor in BCa.
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