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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.

In this study, different donor and recipient site preparation techniques for melanocyte-keratinocyte suspension were associated with similar repigmentation outcomes in stable vitiligo, but efficacy varied by body site.

This study found that melanocyte progenitor cells are present in human subcutaneous adipose tissue and may differentiate into mature melanocytes, suggesting potential applications in treating skin diseases and rejuvenation.

This study found that stressed dermal fibroblasts significantly increased dopa oxidase activity in melanocytes from hair, skin, and eyes, suggesting the involvement of fibroblast-derived factors like basic Fibroblast Growth Factor.

This study found that epidermal melanocytes can regenerate hair follicles, whereas non-cutaneous or dermal melanocytes cannot, suggesting two distinct melanocyte lineages with potential implications for melanocyte-related diseases.

This study reports that the side population technique can isolate melanocyte stem cells from human hair follicles, potentially allowing them to be used for skin pigmentation repopulation.

This review discusses transplantation of melanocyte stem cells for vitiligo treatment and reports no new clinical results; it suggests the procedure could be effective in reactivating melanocyte precursors for repigmentation.

This study found that non-vitiliginous melanocyte stem cells from vitiligo patients were unaffected by the disease and could effectively differentiate into melanin-producing melanocytes, suggesting their potential for use in cellular therapy for vitiligo repigmentation.

This review concludes that the two-stage technique of hair transplantation with prior fat grafting appears effective for treating scalp scars, based on existing literature.

In this study using genetic mouse models, researchers discovered that senescent melanocytes in nevi secrete osteopontin, which activates hair stem cells, enhancing hair growth; this process is mirrored in human hairy nevi, suggesting a potential therapeutic target for regenerative disorders.

A new surgical technique using vellus hair grafts effectively treated vitiligo without causing unwanted hair growth.

This study observed that human hair follicles were able to regenerate fiber-forming structures after the bulb was amputated and transplanted onto athymic mice, suggesting a general regenerative capacity.

This study found that applying minced residual skin grafts to donor sites significantly reduced healing time and improved scar quality compared to untreated sites.

This study demonstrated that implanting μm-scale full-thickness columns of human skin tissue into immunodeficient mice restored key features of normal human skin, suggesting potential for human wound repair with minimal donor site morbidity.

This article offers no abstract or new results regarding hair replacement, as reported in the International Journal of Dermatology.

This study reported that surgical treatments for vitiligo, including tissue and cellular grafting methods, are safe and effective in selected patients, although specific advantages and disadvantages vary by technique.

This study demonstrated that stem cells from the small intestine can differentiate into skin cells and reduce skin damage in irradiated mice, supporting the theory of stem cell plasticity.

In this study, researchers found that punch grafting was more effective than follicular hair transplantation for treating stable vitiligo; however, follicular hair transplantation was found to be cosmetically preferable for exposed areas like the face due to fewer side effects.

This chapter reviews recent developments in vitiligo research, highlighting the role of melanocyte stem cell differentiation and oxidative stress in its management, but reports no new clinical results.

This study demonstrates that a novel autologous hair follicle-derived epithelial sheet can effectively repigment skin in patients with stable vitiligo, offering a potential new treatment option.

This review found that among emerging technologies for skin anti-aging, stem cell therapies using recipient chimerism might be more beneficial than CRISPR-Cas9 and other current innovations, though further studies on safety and efficacy are needed.

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.

This review highlights the diverse roles of melanocytes in pigmentation, immunity, and hearing among other functions, their involvement in disorders, and their emerging potential in regenerative medicine, including applications in disease modeling and therapy development using advanced technologies.

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 review discusses the various stem cell populations associated with hair follicles and their potential in regenerative medicine, highlighting differences between murine and human hair follicles but reports no new clinical results.

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 review discusses the advancements and challenges in developing in vitro human skin models incorporating components like vasculature for drug testing and disease research, but reports no new clinical results.

In this study, single hair grafting was reported to be an effective treatment for localized/segmental vitiligo, notably in hairy skin areas, with repigmentation observed in 82% of those cases.

This review discusses the biology of hair follicle stem cells and highlights their potential for applications in regenerative medicine, drug, and gene delivery, but reports no new clinical results.

This study found that compromised antioxidant activity in gray hair follicles affects both mature melanocytes and their immature precursors, linked to down-regulation of melanogenesis-related genes.