ArticlePLoS genetics2024
P53 and BCL-2 family proteins PUMA and NOXA define competitive fitness in pluripotent cell competition.
Article in PLoS genetics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 9 citations in OpenAlex.
- Cell engulfment defines spatially distinct competitive metabolic niches associated with clinical outcomes in colorectal cancer.Cell death and differentiation · 2026Article
- Flavonoids as Modulators of the p53-Bcl-2 Axis in Cancer: Molecular Mechanisms and Therapeutic Implications.Pharmaceutics · 2026Review
- Mosaic gastruloids reveal a temporal restriction for developmental cell competition.Nature cell biology · 2026Article
- Mechanisms of cellular fitness and cell competition: Towards an integrated view.Current opinion in cell biology · 2025Review
- Sensing of extracellular l-proline availability by the integrated stress response determines the outcome of cell competition.Science advances · 2025Article
- Cell competition eliminates aneuploid human pluripotent stem cells.Stem cell reports · 2025Article
- Mutation of p53 increases the competitive ability of pluripotent stem cells.Development (Cambridge, England) · 2024Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cell Competition is a process by which neighboring cells compare their fitness. As a result, viable but suboptimal cells are selectively eliminated in the presence of fitter cells. In the early mammalian embryo, epiblast pluripotent cells undergo extensive Cell Competition, which prevents suboptimal cells from contributing to the newly forming organism. While competitive ability is regulated by MYC in the epiblast, the mechanisms that contribute to competitive fitness in this context are largely unknown. Here, we report that P53 and its pro-apoptotic targets PUMA and NOXA regulate apoptosis susceptibility and competitive fitness in pluripotent cells. PUMA is widely expressed specifically in pluripotent cells in vitro and in vivo. We found that P53 regulates MYC levels in pluripotent cells, which connects these two Cell Competition pathways, however, MYC and PUMA/NOXA levels are independently regulated by P53. We propose a model that integrates a bifurcated P53 pathway regulating both MYC and PUMA/NOXA levels and determines competitive fitness.
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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.