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In this study, mesenchymal stem cell-conditioned medium gel significantly improved wound healing and accelerated hair growth in rats with third-degree burns compared to a placebo, silver sulfadiazine, or no treatment.

This study reported that molecules from Zebrafish embryo cell differentiation can counteract neurodegeneration, regenerate tissues, and potentially reverse hair follicle damage in androgenetic alopecia.

This study found that injecting xeno-free, three-dimensional cell masses from human adipose-derived stem cells improved blood perfusion and preserved limb function in mice without causing tumors or toxicity, suggesting potential for treating severe ischemic diseases.

This narrative review highlights the potential of autologous adipose mesenchymal stem cell-derived exosomes (AMSCs-Exos) in anti-skin aging, noting their superior biocompatibility and manufacturing advantages while stressing the need for standardized production protocols to overcome existing application challenges.

This review examines the diversity and role of stem cells in the adult dermis, noting a lack of precise understanding about their hierarchy and relationship to dermal fibroblast subpopulations, and reports no new results.

This review discusses current and potential approaches using stem cells for treating hypopigmentation disorders like vitiligo but does not present new clinical findings.

Stem cell research and regenerative medicine have made significant advancements in treating various diseases and conditions.

At the 21st Royan International Stem Cell Congress, researchers highlighted the growing integration in regenerative medicine, emphasizing advances in pluripotency, AI applications, and bioengineering for the development of accessible stem cell therapies.

In this review, recent innovations in hair transplantation, such as AI-assisted graft selection, robotic systems, stem cell therapy, and advanced drug delivery techniques, are reported to enhance hair density and thickness for more natural results and higher patient satisfaction by addressing limitations of traditional methods.

In this phase I/II clinical trial, placenta-derived mesenchymal stem cell exosome therapy significantly improved hair density and diameter, and reduced hair loss in patients with androgenetic alopecia, though further large-scale studies are needed to confirm these results and investigate the underlying molecular mechanisms.

In this review study, researchers examined existing literature on regenerative medicine and stem cells for androgenetic alopecia and highlighted potential new therapeutic techniques for hair regrowth, emphasizing stem cells' impact on prognosis.

This randomized control trial reported that mesenchymal stem cell-derived exosomes significantly increased hair density and thickness in patients with androgenic alopecia, with a mean increase of 35 hairs/cm² over 12 weeks compared to the placebo group, which showed minimal hair density changes.

This research examined the transcriptional landscape of quiescent melanocyte stem cells (qMcSCs) in adult female mice, revealing significant heterogeneity within this cell population and identifying novel subpopulations that vary in immune privilege regulation, melanocyte differentiation potential, and neural crest potential.

This study found that disrupted cholesterol homeostasis impairs hair regrowth in individuals with primary cicatricial alopecia by damaging hair follicle stem cells, highlighting the importance of cholesterol in maintaining stem cell function and hair follicle integrity.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

This study found that epidermal-specific deletion of aPKCλ in mice disrupted hair follicle stem cell quiescence and regeneration, leading to abnormal hair cycling and skin changes.

This article reviews the potential advantages of secretome derivatives from human uterine cervical stem cells in MSC therapy and notes the need for regulatory standards to ensure safety and efficacy.

This review examines cell-based therapies for limbal stem cell deficiency, highlighting epidermal and hair follicle-derived stem cells as promising candidates for future clinical trials, but reports no new clinical findings.

This review discusses the interactions between melanocyte stem cells and their niche in hair regeneration and repair, but reports no new results; recent studies on molecular pathways are highlighted.

This study discusses how different modes of regulated cell death in keratinocytes affect skin stem cell niches, and their role in skin inflammation, injury repair, and cancer, based on findings from human dermatological conditions and experimental mouse models.

This study found multipotent progenitors in sweat ducts that become unipotent after sweat gland development, highlighting distinct regenerative capabilities in adult glandular skin stem cell populations.

Different types of stem cells and their environments are key to skin repair and maintenance.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

This review examines the role of stem cells and their niches in continuously growing ectodermal organs like teeth, hair, and claws, providing insights from mouse models without presenting new research findings.

In this study, RT1640 was found to promote hair pigment system regeneration and expand melanocyte stem cell pools in a mouse model, suggesting potential applications for aging-related hair disorders.

This study found that CD90+ stem cells with fibroblast-like morphology are present in the lower part of the anagen hair follicle in dogs.

This review discusses melanocyte stem cells in hair follicles and their potential role in cell-based therapy for vitiligo, reporting no new experimental results.

This article reviews advancements in understanding skin regeneration and suggests that bioengineering skin surrogates may soon enhance treatments for skin trauma, but it presents no new clinical findings.

In this study, researchers suggest that hair follicle miniaturization in conditions like androgenetic alopecia may result from impaired conversion of quiescent stem cells to progenitor cells, influenced by the follicular niche, its collagen network, and various mechanical constraints.

This review discusses epidermal stem cell diversity, revealing previously unrecognized differences in stem cell populations, but reports no new experimental results; it highlights the need for further exploration of stem cell interactions and quiescence.