From wrinkles to malignancy: small-molecule-mediated stem cell approaches in skin aging.

Skin aging is driven by the progressive exhaustion of stem cell niches, epigenetic drift, and accumulation of senescent cells, which together promote both aesthetic decline and a pro-tumorigenic microenvironment. This review focuses on the emerging methodological theme of small-molecule-mediated reprogramming as a strategy to restore skin homeostasis. We evaluated the shift from traditional regenerative medicine toward targeted chemical modulation, focusing on the use of small-molecule cocktails to induce partial reprogramming and rejuvenate aged stem cell populations without erasing cellular identity. Central to this theme is the integration of high-throughput virtual screening and AI-driven predictive modeling to identify potent modulators of Wnt, Notch, and TGF-β pathways. We further bridge the gap between preclinical innovation and clinical application by analyzing "serious clinical studies" with proven efficacy, including randomized controlled trials of stem cell-derived secretomes and clinically validated small molecules, such as tretinoin and firming peptides. By contextualizing advanced delivery systems, including microneedles and stimuli-responsive nanoparticles, within this reprogramming framework, we demonstrate how spatially controlled interventions can optimize clinical outcomes. This review provides a unified perspective on how the intersection of computational drug discovery and niche-targeted pharmacology is moving small-molecule skin rejuvenation from theoretical potential to widespread clinical translation.

• Publication year

  2026

• Venue

  Methods

• Publication date

  2026-02-01

• Fields of study

  Medicine

• Identifiers
  DOI 10.1016/j.ymeth.2026.02.003PMID 41655728
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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