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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, fetal stem cells were identified in adult human hair follicles long after childbirth, indicating potential for autologous therapies due to their pluripotent characteristics.

This case report describes a 60-year-old woman with an ovarian Leydig cell tumor leading to elevated testosterone levels and hirsutism, highlighting the need to consider androgen-secreting tumors in similar postmenopausal cases.

This study used single-cell RNA sequencing to map the cellular composition of sheep hair follicles, revealing differentiation pathways and potential molecular mechanisms for wool curvature, which may inform sheep breeding.

In this study, finasteride was found to enhance stem cell properties in dermal papilla cells, suggesting potential benefits for hair loss management and regenerative therapies.

In this study, dermal papilla cells from rat vibrissae showed potential for treating CNS injuries by secreting neurotrophic factors and promoting neuronal differentiation more effectively than bone marrow mesenchymal stem cells.

In this study, PKC ε transgenic mice exposed to ultraviolet radiation showed increased hair follicle stem cell frequency and altered gene expression compared to wild-type mice, suggesting a potential role in skin cancer susceptibility.

This study found that patients with alopecia areata and androgenetic alopecia showed increased c-kit expression and decreased Ki-67 expression in hair follicle cells compared to controls, suggesting a possible feedback mechanism involving stem cell factor signaling.

This study documented distinct expression patterns of stem cell markers LGR5 and LGR6 in various human skin tumors, highlighting differences in their potential roles and contributions to tumor development.

This study found that hairless mice with homozygous mutations developed significantly more aggressive basal cell carcinomas and a heightened inflammatory response to UVB exposure compared to their haired littermates.

This report describes two prepubertal children with autoimmune gastritis, highlighting the need to screen paediatric patients with organ-specific autoimmune diseases for co-existing conditions.

This study found that Celsr1, not Celsr2, is the primary protein involved in establishing planar cell polarity and hair follicle polarization in the epidermis of mice.

This study found that thymus transplantation in athymic mice resulted in T-cell-driven hair follicle depigmentation and loss, without multiorgan autoimmune disease, highlighting mechanisms of tissue-specific tolerance.

In this study, re-activating SOX9 in adult epidermal stem cells led to a fate switch towards hair follicle stem cell identity, with altered chromatin dynamics and oncogenic activation, contributing insights into developmental processes and cancer pathways.

This study found that B6.CD80CD86−/− mice developed autoimmune-like alopecia with nearly 100% incidence by 40 weeks, making them a promising model for studying human alopecia areata.

This review discusses the complex role of Runx family genes in regulating stem cells in blood and skin tissues and reports no new experimental results.

This study identified distinct gene expression programs in keratinocytes responsible for forming hard scales and soft interscale epidermis in chickens, revealing conserved differentiation genes similar to those in human skin.

The researchers found that exosome-like vesicles from irradiated cheek skin in neonatal mice may offer protective effects against hair follicle loss after high-dose radiation exposure.

This study observed that skin stem cells in dogs could be identified using CD34 and CD200 markers, although further refinement in isolation and cultivation methods is needed for better identification.

This study found that epidermal stem cells in nonglabrous skin are connected to the distal end of the arrector pili muscle, which may play a role in epidermal renewal and wound healing.

This case report introduces a novel instance of long-term cutaneous neoplastic degeneration following artificial hair implantation, a previously unreported complication in such procedures.

This meeting in Heidelberg highlighted diverse contributions on stem cell research, including pre-clinical and clinical applications, but reported no new experimental results.

This review discusses the impact of calorie restriction on enhancing stem cell potency and regenerative abilities in mammalian tissues and reports no new experimental results.

This review explores the potential role of caveolin-1 in cicatricial alopecia, particularly frontal fibrosing alopecia, and discusses possibilities for targeted therapies without providing new research results.

In this case study, a 71-year-old woman with postmenopausal hirsutism was diagnosed with a Leydig cell tumor and endometrial carcinoma, with hirsutism improving one month after surgery.

This case study reported that a 51-year-old woman with hirsutism and voice thickening had a Leydig cell tumor detected by PET-CT, which normalized hormone levels and resolved symptoms after surgical removal.

This study observed that disrupting the Pnkp gene in adult mice resulted in a premature aging-like phenotype, suggesting PNKP's vital role in maintaining normal growth and survival of certain progenitor cell populations.

This study found that basal cell carcinoma cells differentiate along hair follicle lineages and may be influenced by hair follicle cycle modulators for potential therapeutic targeting.

Photodynamic therapy may not work for erythroplasia of Queyrat and could lead to invasive squamous cell carcinoma.

This study found that SYP123 and VAMP727 are involved in the secretion and transport of inner cell wall components, which is crucial for hardening the root hair shank in Arabidopsis.