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This study found that activating BMP signaling in rodent and primate models significantly promotes nail and digit regeneration after amputation by enhancing the role of specific nail stem cells, though extreme proximal amputation only permitted partial regeneration without bone reconstruction.

The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.

This study found that pediatric HSCT recipients, especially those with chronic graft-versus-host disease, are at risk for developing various nonmalignant late cutaneous changes such as vitiligo, psoriasis, alopecia, and nail changes.

Stem cells in mouse nails are found in the nail matrix and may control nail growth.

This review discusses common hair and nail diseases in the elderly and reports no new clinical results, noting their significant impact on quality of life.

Adjusting the medication tacrolimus resolved a boy's red nail beds after a stem cell transplant.

This article reviews drug-induced hair and nail disorders and discusses their clinical recognition, underlying mechanisms, and potential treatment strategies, without presenting new research findings.

In this study, researchers identified slow cycling label retaining cells in nail and sweat gland appendages, showing stem cell characteristics similar to hair follicles but with distinct features.

This essay discusses the role of the nail in mammalian digit tip regeneration and explores whether nail stem cells are solely responsible for this regenerative ability, with no new results presented.

This review discusses the regeneration capabilities of various vertebrate tissues, focusing on the unique ability of certain species to regenerate teeth and lens, and reports no new results.

Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.

This source reports that biotin, a water-soluble vitamin B7, may benefit skin, hair, and nail health, including various types of alopecia, without the risk of hypervitaminosis even at high doses.

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.

The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.

This study suggests that short telomeres may produce similar aging-related symptoms across different segmental progeroid syndromes, offering potential insights into normative aging processes.

This article covers the VII International Congress of the Asociación Dermatológica del Caribe but provides no new research results.

This study identified and characterized progenitor cells from equine feet that may play a role in the pathogenesis and recovery of laminitis, suggesting potential therapeutic targets for treatment.

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 recent findings on the plasticity and regulation of epithelial stem cells and reports no new experimental results.

This study reports the successful differentiation of mouse induced pluripotent stem cells into keratinocytes that can regenerate skin and its structures in an in vivo environment.

This review explores recent insights into how intrinsic gene oscillations and molecular interactions in hair follicle stem cells contribute to their regenerative potential, with potential implications for regenerative medicine, but reports no new clinical results.

This review outlines the processes and potential of stem cells in regenerating skin, hair, and other tissues but presents no new experimental findings.

This chapter discusses the skin stem cell niche as a complex ecosystem and highlights the diverse components and interactions that influence stem cell function, but it reports no new experimental results.

This review discusses major dermatologic conditions occurring in the early post-hematopoietic stem cell transplant period and reports no new clinical results; it underscores dermatologists' role in recognizing critical complications.

Patients often experience long-lasting changes to their hair after stem cell transplants.

This study found that mice with a specific loss of DNA methyltransferase 1 showed uneven epidermal thickness, reduced hair regeneration, and progressive alopecia, emphasizing DNA methylation's role in stem cell homeostasis.

This study found that sweat gland stem cells primarily maintain sweat gland homeostasis but can trans-differentiate to aid in epidermal healing and regenerate diverse skin structures under certain conditions.

This chapter discusses stem cell activity in feather and hair follicles, emphasizing how stem cells maintain their population by cycling between quiescence and activation in specialized niches but reports no new results.

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.