ReviewCurrent topics in developmental biology2026
Stem cell competition.
Review in Current topics in developmental biology, 2026. 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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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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1 author.
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Abstract
Cell competition is a conserved, fitness-based process in which "winner" cells eliminate or displace less-fit "loser" neighbors, thereby shaping development, tissue homeostasis, and disease. This review synthesizes how principles of competition operate in stem cell compartments, focusing on the adult Drosophila testis as a genetically tractable model where neutral competition provides a baseline for stem cell turnover, and defined genetic perturbations bias competition to favor specific clones. I compare intra- and inter-lineage competition among somatic cyst stem cells, germline stem cells, and dedifferentiating germ cells, highlighting mechanisms that link signaling, proliferation, adhesion, and niche remodeling to competitive fitness. I then discuss mammalian paradigms such as clonal hematopoiesis, intestinal "supercompetitors," and spermatogonial stem cell dynamics in open niches, framing stem cell competition as a driver of aging, clonal evolution, and cancer risk.
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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.