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- W3197443913 abstract "NCOR1 is a corepressor that mediates transcriptional repression through its association with nuclear receptors and specific transcription factors. Some evidence supports a role for NCOR1 in neonatal intestinal epithelium maturation and the maintenance of epithelial integrity during experimental colitis in mice. We hypothesized that NCOR1 could control colorectal cancer cell proliferation and tumorigenicity. Conditional intestinal epithelial deletion of Ncor1 in ApcMin/+ mice resulted in a significant reduction in polyposis. RNAi targeting of NCOR1 in Caco-2/15 and HT-29 cell lines led to a reduction in cell growth, characterized by cellular senescence associated with a secretory phenotype. Tumor growth of HT-29 cells was reduced in the absence of NCOR1 in the mouse xenografts. RNA-seq transcriptome profiling of colon cancer cells confirmed the senescence phenotype in the absence of NCOR1 and predicted the occurrence of a pro-migration cellular signature in this context. SOX2, a transcription factor essential for pluripotency of embryonic stem cells, was induced under these conditions. In conclusion, depletion of NCOR1 reduced intestinal polyposis in mice and caused growth arrest, leading to senescence in human colorectal cell lines. The acquisition of a pro-metastasis signature in the absence of NCOR1 could indicate long-term potential adverse consequences of colon-cancer-induced senescence." @default.
- W3197443913 created "2021-09-13" @default.
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- W3197443913 date "2021-09-01" @default.
- W3197443913 modified "2023-10-03" @default.
- W3197443913 title "NCOR1 Sustains Colorectal Cancer Cell Growth and Protects against Cellular Senescence" @default.
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- W3197443913 doi "https://doi.org/10.3390/cancers13174414" @default.
- W3197443913 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8430780" @default.
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- W3197443913 hasPublicationYear "2021" @default.
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