ArticleInternational journal of molecular sciences2025
Over-Represented Senescent Keratinocytes in Hyperpigmented Spots Promote Melanocyte Activation via IGFBP3 and NGF.
Article in International journal of molecular 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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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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7 authors.
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Abstract
The occurrence and impact of cellular senescence on skin aging and hyperpigmentation is an ongoing area of exploration, encompassing both intrinsic and extrinsic stressors. Traditionally, research has focused on melanocyte and fibroblast senescence due to their slower turnover compared to keratinocytes. In this study, we identified the accumulation of p16, a senescence marker, in keratinocytes from biopsies of multiple spot types. We explored their impact using doxorubicin-induced senescent keratinocytes in vitro. Conditioned media from these senescent keratinocytes stimulated melanocyte dendricity, a hallmark of hyperpigmented spots. Transcriptomic analysis of senescent keratinocytes identified two key senescence-induced factors: Insulin-like Growth Factor-Binding Protein 3 (
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