MCM2 promotes the stemness and sorafenib resistance of hepatocellular carcinoma cells via hippo signaling.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:36243809", "kind": "science-record", "revision": 5, "content_hash": "sha256:2678355c5363a5f8f95e5eec1f52df9070e59f4491a163c32d1c4e7006947fed", "created_at": "2026-11-01T18:15:37Z", "updated_at": "2026-11-01T22:50:22Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "MCM2 promotes the stemness and sorafenib resistance of hepatocellular carcinoma cells via hippo signaling.", "doi": "10.1038/s41420-022-01201-3", "pmid": "36243809", "authors": ["Xin Zhou", "Jianzhu Luo", "Haixiang Xie", "Zhongliu Wei", "Tianman Li", "Junqi Liu", "Xiwen Liao", "Guangzhi Zhu", "Tao Peng"], "journal": "Cell death discovery", "year": 2022, "abstract": "OBJECT: A large number of studies have suggested that stemness is an essential mechanism for drug resistance, metastasis and relapse in hepatocellular carcinoma (HCC). The aim of this study was to determine the impact of MCM2 on stemness and identify potential mechanisms that complement the stemness regulatory network in HCC.\nMETHODS: MCM2 expression features and prognostic significance were analyzed in multiple cohorts, including TCGA LIHC dataset, GSE14520 dataset, Guangxi cohort, and GSE76427 dataset. Stemness-related molecules and phenotypes were examined to evaluate the impact of MCM2 on stemness. The expression levels of key molecules of the hippo signaling pathway together with downstream target genes were examined to evaluate the effect of MCM2 on hippo signaling. This was further demonstrated by rescue experiments with hippo signaling pathway inhibitors (super-TDU). Sorafenib-resistant cells were constructed to assess the effect of MCM2 on drug resistance. A xenotransplantation model of nude mice was constructed to validate the role of MCM2 in vivo.\nRESULTS: MCM2, which is expressed at higher levels in HCC tissue than in normal liver tissues, is a good indicator for distinguishing tumor tissues from normal liver tissues and can help differentiate HCC patients at different BCLC stages. The annotation of the differentially expressed genes in the MCM2 high and low expression groups indicated that MCM2 may be associated with the hippo signaling pathway. In addition, the expression of MCM2 in HCC tissues was correlated with the expression of YAP1/TAZ, which are key molecules of the hippo signaling pathway. It indicated that manipulation of MCM2 expression affects hippo signaling and stemness, while the inhibition of hippo signaling significantly reversed the effect of MCM2 on stemness. Disruption of MCM2 expression significantly elevated the sensitivity of sorafenib-resistant cells to sorafenib, as evidenced by the decrease in IC50 and diminished sphere-forming capacity. The in vivo assays showed that MCM2 effectively enhanced the efficacy of sorafenib.\nCONCLUSION: MCM2 is a good prognostic marker. MCM2 enhances the stemness of HCC cells by affecting the Hippo signaling pathway, while the downregulation of MCM2 inhibits resistance towards sorafenib.", "claims": [{"id": "claim-method", "statement": "Under the background of no significance in F-test and in accordance with normal distribution, Student’s t test was applied to analyze differences in MCM2 expression between HCC and para-carcinoma tissues. Under the background of no significance in F-test, ANOVA was used to inspect differences in MCM2 expression among HCC patients at different stages. 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