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This study constructed a comprehensive atlas of prenatal human skin, revealing that innate immune cells, such as macrophages, play a crucial role in skin morphogenesis by interacting with non-immune cells, influencing hair follicle formation and angiogenesis beyond their traditional immune functions.

This report highlights the usefulness of specific diagnostic procedures, including penile/preputial cytology and transabdominal ultrasonography, in diagnosing cryptorchidism and Sertoli cell tumors in dogs with generalized skin conditions.

This article reviews current research on epidermal stem cells and differentiation, presenting models of basal layer composition, but reports no new experimental findings.

This study found that the absence of Hif-p4h-2 in specific mouse skin cells disrupted hair follicle development, leading to hair loss due to irregular keratin formation and pathway signaling.

This study found that in obese mice, local antimicrobial activity is reduced due to a loss of adipogenic stem cells and an increase in mature adipocytes, leading to higher susceptibility to skin infections.

This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.

This study found that PRC1 plays crucial roles in skin epithelial stem cell regulation, with catalytic and non-catalytic functions impacting epidermal integrity, hair development, and Merkel cell dynamics in murine models.

The researchers reported that iPSCs derived from Sendai virus reprogrammed blood cells can mature into functional keratinocytes for up to 60 days, potentially offering new approaches for DEB treatment.

This study found that long-term hair follicle stem cells originate from embryonic progenitor cells in a niche with reduced Wnt/β-catenin signaling, which is essential for their specification.

This case report describes a 69-year-old woman with hirsutism and elevated serum testosterone, where surgery resolved symptoms and serum testosterone, suggesting ovarian steroid cell tumor consideration in similar profiles.

This study found that premature hair loss due to stress does not occur in NK-1 receptor knockout or mast cell deficient mice, suggesting a key role for neurokinin substance P and mast cell interaction in stress-related hair follicle changes.

This review of stem cell-based tissue engineering treatments in preclinical burn wound models reports promising improvements in skin repair, suggesting potential as an enhanced therapy for burn wounds.

The researchers reported that hair follicle germinative epidermal cells can form complex structures when associating with papilla cells in culture, unlike other types of epidermal cells.

This study reported that a single local subcutaneous infusion of mesenchymal stromal cells from the human umbilical cord promoted wound healing, improved blood circulation, and reduced wound size in patients with chronic wounds without significant adverse effects over one year.

This article reviews mammalian skin epidermis as a model for studying stem cell regulation, noting the utility of in vitro and ex vivo platforms, but it reports no new empirical findings.

In this study, the activation of Notch1 signaling in keratinocytes was found to play a key role in recruiting immune cells and facilitating skin repair after injury.

This review discusses the role of TGF-β signaling in stem cell recruitment and tissue regeneration, indicating that abnormalities in TGF-β activation contribute to various major diseases and suggesting avenues for therapeutic intervention.

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.

This review discusses the potential roles of calcium in the regulation of pluripotent and tissue-specific stem cells but reports no new experimental results, highlighting areas for future research.

This review discusses the role of stem cell heterogeneity and compartmentalization within the epidermis and highlights their significance as niches for neighboring cells, without reporting new experimental results.

This study found that angiogenin is expressed in human dermal papilla cells, where it might stimulate hair growth by promoting cell proliferation and local skin angiogenesis.

This study found that micro-current electrical stimulation may promote hair growth in human hair follicle-derived papilla cells and a mice model by enhancing cell proliferation, migration, and activating key growth pathways.

This review discusses insights from scar-free animal models and cellular factors in skin regeneration, suggesting potential strategies for developing scar-free treatments in clinical and cosmetic practices, but reports no new clinical results.

This study reports that a new protocol using Angio PRP improved wound healing in mice by enhancing key healing processes and regulating inflammation, suggesting potential for clinical advancements.

This study found that ascorbigen increased growth of dermal papilla cells but did not significantly protect against chemotherapy-induced alopecia in a mouse model, suggesting limited effectiveness for hair regrowth in this context.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

This study found that a mesenchymal stromal cell-derived regenerative extracellular matrix (rECM) significantly accelerated wound closure and improved healing in diabetic mice, also enhancing nerve and blood vessel formation compared to controls.

This review discusses current knowledge of keratinocyte stem cell dynamics, including their regenerative roles and potential applications beyond wound healing, but presents no new clinical findings.

In this review, the authors highlight the crucial role of mesenchymal stem cells in dermatologic therapies, noting their potential to enhance skin structure and appearance through regenerative mechanisms like inflammation induction, angiogenesis, and recruitment of tissue-specific progenitors.

This study revealed that nestin-expressing progenitor cells capable of becoming ORS keratinocytes are present during both hair follicle development and in adult hair follicles.