ArticleInternational journal of biological sciences2025
GPX1 expression promotes stemness and aggressiveness in myxoid liposarcomas.
Article in International journal of biological sciences, 2025. 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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Abstract
The sarcomagenic process initiates when mesenchymal stromal/stem cells (MSCs) or MSC-derived cells undergo tumoral transformation. Besides, sarcoma evolution is partly driven by the emergence of subpopulations of cancer stem cells (CSCs), which are strongly associated with more aggressive behaviors. Therefore, the characterization of CSC will contribute to the development of more effective therapies against sarcomas. Here, we compared the proteomes of adherent and CSC-enriched tumorsphere cultures in a tumor progression model of myxoid liposarcoma composed of three cell lines showing increasing aggressiveness after being serially transplanted in mice. We found that the expression of the antioxidant enzyme GPX1 increased constantly during the CSC-enrichment process in this model and other sarcoma lines. Depletion of GPX1 resulted in decreased proliferation and tumorsphere-forming potential and dramatically reduced tumor-formation ability
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