ArticleOncogene2003
Bypass of telomere-dependent replicative senescence (M1) upon overexpression of Cdk4 in normal human epithelial cells.
Article in Oncogene, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
What it found
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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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Who cites it
50 citing papers in PubMed, 107 citations in OpenAlex.
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Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
Many stimuli causing 'stress' or DNA damage in cells can produce phenotypes that overlap with telomere-based replicative senescence. In epithelial systems, the p16/RB pathway may function as a stress senescence-signaling pathway independent of telomere shortening. Overexpressing cyclin-dependent kinase 4 (Cdk4) in human epidermal keratinocytes and human mammary epithelial cells not only prevents the p16(INK4a)-associated premature growth arrest due to telomere-independent stress (e.g., inadequate culture conditions), but also bypasses the ensuing telomere-dependent senescence (M1). Overexpressed Cdk4 in epithelial cells induces a dramatic upregulation of p16(INK4a) and milder upregulation of p53 and p21(WAF1), which become unresponsive to UV irradiation. Despite the high levels of these checkpoint factors, Cdk4-overexpressing cells divide in an apparently normal regulated fashion, are able to respond to changes in calcium levels, retain the stem cell phenotype, and fully differentiate and stratify. These results suggest that the differentiation pathways in Cdk4-overexpressing cells remain intact.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.