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This review highlights the significant advancements in regenerative medicine from stem cells, PRP, and exosomes for dermatology, but notes that regulatory challenges and the need for standardization are slowing their clinical application.

This study found that exosomes derived from dermal papilla cells can enhance the proliferation of hair follicle stem cells by stimulating the LEF1 pathway, offering insights into hair follicle growth regulation.

This meta-analysis reported that stem cell-derived conditioned medium effectively increases hair density and thickness in patients with alopecia, with longer treatment durations showing greater improvements.

In this study on male androgenetic alopecia, the researchers reported significant increases in hair count, density, and thickness with minimal side effects over 6 weeks using adipose-derived stem cell conditioned media and minoxidil, but found no significant differences between concentrated and non-concentrated treatments.

This study found that knocking out the integrin β1 subunit in induced pluripotent stem cells enhanced their migration and improved their wound-healing effects in a mouse model.

In this study, patients with alopecia areata received a single intradermal injection of Wharton's jelly-derived mesenchymal stem cells, resulting in an average hair regrowth of 67% at treated sites within 24 weeks, demonstrating both efficacy and safety without side effects.

This review discusses the potential of single cell technologies to improve understanding and treatment of impaired wound healing and reports no new clinical results.

This study found that encapsulating hADSCs-derived exosomes in PF-127 hydrogel improved wound healing in mice, suggesting a promising approach for enhancing skin repair.

This study found that exosome-incorporated human amniotic membrane scaffolds notably enhanced diabetic skin wound healing in mice, suggesting potential applications for ADSC-derived exosomes in clinical settings.

This paper reviews the emerging potential of menstrual blood-derived mesenchymal stem cell extracellular vesicles in regenerative medicine, highlighting their promise for treating several diseases without providing new clinical results.

This review discusses the challenges of skin graft acceptance and examines current strategies and alternatives for full-thickness skin replacement and repair, noting that immunological rejection remains a significant hurdle.

This article reviews the potential and current applications of adult oral stem cells in regenerative medicine, highlighting promising animal model results but noting that few human clinical trials have yet been conducted.

This study found that incorporating adipose-derived stem cell conditioned medium into a polysaccharide hydrogel effectively reduced scar hyperplasia, with the combination offering better outcomes in preventing hypertrophic scarring compared to the medium alone in a rabbit ear model.

This study found that conditioned medium from placental cells and sub-cultured placental tissue promoted angiogenesis in human umbilical vein endothelial cells in vitro, with early pregnancy cells having a more significant effect.

This review discusses the regulation and dynamics of the Wnt/β-catenin signaling pathway in development, pluripotency, and cancer, highlighting potential mechanisms and future research directions, but reports no new results.

This study observed that while X-ray radiation did not alter major hair keratin composition in mice, it decreased hair follicle stem cell markers and increased Krt5, suggesting potential as a radiation biomarker.

In this study, transgenic mice altered to express a Clim-inhibiting molecule under a keratin promoter showed corneal degradation and hair follicle failure, highlighting Clim proteins' role in maintaining these tissues.

This study demonstrated that a 3D air–liquid culture system using Wnt-CM-treated cells can induce hair regeneration in nude mice and may facilitate large-scale preparation for hair loss treatment.

This review examines the potential mechanisms by which stem cell-derived cell-free therapy may prevent skin aging, highlighting various molecular targets and pathways involved in regeneration, oxidative stress regulation, ECM preservation, cell activity modulation, and inflammation.

This study found that miR-339-5p negatively regulates loureirin A-induced differentiation of hair follicle stem cells, potentially impacting skin repair and regeneration by inhibiting the Wnt/β-catenin signaling pathway.

This study found that irradiating human adipose-derived stem cells with green OLEDs enhanced their wound healing capability and increased cell proliferation, migration, and adhesion in preclinical models.

This study demonstrated that genetically engineered stem cells from human hair follicles can reverse hyperglycemia and reduce mortality in mice with type 1 diabetes by overexpressing the human insulin gene.

This study developed a nanoscale biomimetic matrix that effectively and stably expands human hair follicle stem cells, offering a new tool for hair follicle reconstruction research.

This study discusses the rise of commercial direct-to-consumer stem cell therapies, highlighting how they are marketed as biomedical 'lifestyle' products that blend science, medicine, and consumer culture, despite ongoing safety and efficacy concerns.

This study used single-cell RNA sequencing to create a detailed atlas of human scalp hair follicles and found that early-stage hair graying involves matrix hair progenitor depletion linked to P53 pathway activation.

This study found that suspension culture was more effective than hydrogel-based systems for maintaining spheroid morphology and differentiation of human iPSC-derived definitive endoderm cells.

This review discusses the potential of stem cell-derived extracellular vesicles for improving diabetic wound healing and highlights their mechanisms, limitations, and challenges, but provides no new clinical findings.

This study found that using induced pluripotent stem cell-derived mesenchymal stem cells with acellular nerve allografts significantly improved axon regeneration and functional recovery in rats with sciatic nerve injuries, suggesting a promising approach for clinical nerve repair therapies.

In this study, researchers found that Sox9 is critical for determining whether Nestin⁺ stem cells in adult mouse skin develop into melanocytes or glial cells, offering insights into possible paths for melanoma research.

This study discusses how redox imbalance, specifically through reduced Insulin-like Growth Factor-1 mediated by the transcription factor JunB and sphingolipid metabolism changes, contributes to skin aging by depleting stem cell pools and altering the extracellular matrix, ultimately impacting skin integrity and function.