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This review discusses the potential role of vascular endothelial cells as signaling niches influencing epithelial stem cell states in the skin, emphasizing the need for further exploration in this area.

This review discusses the role of hair follicle stem cells as active signaling centers in skin homeostasis, highlighting recent advancements and reporting no new clinical results.

This study found that gelatin sponges used as scaffolds in rats with deep wounds and periosteal defects enabled regeneration of diverse tissue types, including periosteum, skin, and appendages, highlighting the role of vascular niche formation.

This review synthesizes current knowledge on hair follicle biology in androgenetic alopecia and explores potential regenerative therapies, but it reports no new clinical results.

This narrative review explores molecular signaling pathways and their impact on hair follicle microenvironments in androgenetic alopecia, alongside potential treatments like stromal vascular fraction therapies and exosome-based strategies.

This review integrates current understanding of hair follicle biology and signaling pathways into a comprehensive framework for androgenetic alopecia, but presents no new empirical findings.

Hair follicle stem cells rely on nearby blood vessels for their maintenance and function.

This review highlights morphological factors contributing to age-related alopecia and suggests further research to understand and potentially mitigate cellular aging processes affecting hair quality.

This review explores the complex interactions between hair follicle stem cells and surrounding structures that are essential for understanding hair regeneration, reporting no new experimental results.

This review describes the hair follicle's structure, particularly its role as a stem cell niche, and discusses its potential application in skin tissue engineering, but does not present new research findings.

This study found that Ng2+ perivascular cells in mouse skin are a diverse lineage-restricted population primarily recruited from papillary or reticular fibroblast lineages during wound healing, maintaining heterogeneity in both wounded and non-wounded skin.

This study found that lymphatic vessels in mice are important for hair follicle development and organization, as their depletion blocks hair growth.

In this study, 17β-estradiol increased VEGF production in differentiated THP-1 cells, while dihydrotestosterone counteracted this effect by modulating adenylate cyclase activity.

This review examines the literature on the molecular and cellular makeup of the hair follicle niche and how it influences stem cell behavior during hair regeneration, but does not provide new experimental results.

This study found that scalp injection of fat enriched with stem cells may offer a promising alternative for treating early genetic alopecia in both men and women.

In this study, hair follicle germs containing vascular endothelial cells showed improved hair regeneration and morphogenesis-related gene expression in mice, suggesting a promising strategy for hair regenerative medicine.

This review discusses the potential effectiveness of cell therapy for hair loss, highlighting promising early findings but emphasizing that more research is needed to explore specific therapies like autologous fat grafting and mesenchymal stem cells.

Both methods improve hair density and thickness; double-spin may be more effective.

This study found that early male hair loss treatment with Puregraft fat and low-dose adipose-derived regenerative cells increased terminal hair counts at 24 weeks compared to a saline control, indicating promise for androgenetic alopecia treatment.

This study found that canine adipose-derived mesenchymal stem cell-derived dermal papilla-like tissues promoted new hair follicle formation and increased vascularization in mice, suggesting potential for hair regeneration.

This study found that tdDPC-EVs significantly improved wound healing by enhancing angiogenesis through the KLF4/VEGFA axis, offering advantages over traditional DPC-EVs.

This review article examines recent studies on the role of diverse immune cells in forming an active niche for hair follicles, offering new insights into hair growth and related diseases.

This study identifies key transcriptomic features and a necessary dermal niche for eccrine gland development, advancing potential regenerative approaches for these vital skin appendages.

Minoxidil improves blood flow and vessel flexibility, potentially helping with vascular stiffness.

This review discusses manipulating the stem cell niche as a strategy in regenerative medicine to repair damaged tissues, highlighting the potential benefits and challenges but reporting no new results.

This review discusses experimental data, technologies, and genetic factors related to stem cell niches, highlighting their role in tissue regeneration and diseases, but reports no new results.

This forum article in BMC Biology discusses evolving views on the concept of the stem cell niche, highlighting varied mechanisms and the need for better understanding of the niche's roles and functions.

This article discusses the bi-compartmental organization of hair follicle stem cell niches for balancing stem cell cycling and organ growth and proposes similar structures may exist in other adult stem cell niches but reports no new experimental results.

In this systematic review, tSVF-based therapy demonstrated favorable outcomes for various pathologies, including aged skin and osteoarthritis, with low incidence of adverse events, while highlighting the need for further research into optimal protocols and mechanisms of action.

This study found that dedifferentiated corneal epithelial cells can revert to a stem-cell-like state, aiding tissue homeostasis and repair, with this plasticity limited to the epithelial lineage and enhanced by niche-derived cytokines.