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<p>The skin is the body’s most fundamental protective barrier but also a prominent indicator of aging. Skin aging is a complex process influenced by both intrinsic and extrinsic factors. In recent years, stem cell therapy has emerged as a novel approach widely applied in the field of skin rejuvenation. However, how Mesenchymal Stem Cells (MSCs) coordinately and dynamically regulate this network of pathways remains largely unknown. We propose an integrative hypothesis: MSCs improve skin rejuvenation through a dynamic, interactive multi-pathway network, exhibiting temporal and spatial specificity. We hypothesize that MSCs can dynamically regulate multiple signaling pathways at different levels, including MAPK, TGF-β/Smad, PI3K/Akt, Wnt/β-catenin, Notch, NF-κB, and Nrf2, to exert their therapeutic effects. By modulating the interactions between these pathways, including synergistic or antagonistic effects, and regulating various cellular responses such as anti-oxidation, anti-apoptosis, anti-inflammation, and promotion of dermal fibroblast proliferation, MSCs achieve skin rejuvenation. This knowledge may contribute to the future development of more precise targeted therapies and help in formulating tailored treatment strategies, potentially optimizing efficacy and mitigating the risk of subsequent complications.</p>

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Hypothesis: Stem Cells Improve Skin Rejuvenation Through Multiple Signaling Pathways

  • 期刊论文

  • 发表日期：

    2025年12月12日

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  • Huimin You,
  • Hongyuan Zhu,
  • Chunhui Ou,
  • Ju Tian

摘要

The skin is the body’s most fundamental protective barrier but also a prominent indicator of aging. Skin aging is a complex process influenced by both intrinsic and extrinsic factors. In recent years, stem cell therapy has emerged as a novel approach widely applied in the field of skin rejuvenation. However, how Mesenchymal Stem Cells (MSCs) coordinately and dynamically regulate this network of pathways remains largely unknown. We propose an integrative hypothesis: MSCs improve skin rejuvenation through a dynamic, interactive multi-pathway network, exhibiting temporal and spatial specificity. We hypothesize that MSCs can dynamically regulate multiple signaling pathways at different levels, including MAPK, TGF-β/Smad, PI3K/Akt, Wnt/β-catenin, Notch, NF-κB, and Nrf2, to exert their therapeutic effects. By modulating the interactions between these pathways, including synergistic or antagonistic effects, and regulating various cellular responses such as anti-oxidation, anti-apoptosis, anti-inflammation, and promotion of dermal fibroblast proliferation, MSCs achieve skin rejuvenation. This knowledge may contribute to the future development of more precise targeted therapies and help in formulating tailored treatment strategies, potentially optimizing efficacy and mitigating the risk of subsequent complications.