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This article reviews the structural similarities and common disorders of hair and nails, highlighting their joint involvement in congenital and acquired conditions, but it reports no new clinical results.

This study found that treating acute and chronic canine skin wounds with adipose-derived mesenchymal stem cells significantly improved healing and reduced inflammation, suggesting potential benefits for human wound care.

This article reviews drug-induced pigmentation and reports no new clinical findings, highlighting difficulty in confirming drug associations due to factors like delayed onset and polypharmacy.

This review discusses recent findings on the epigenetic regulation of adult stem cells and cancer stem cells, highlighting shared and distinct features, and reports no new clinical results.

This study found that nano-sized minoxidil formulations significantly increased skin penetration and follicular drug delivery for alopecia areata treatment, compared to conventional ethanol-based solutions, and demonstrated effective controlled release over six hours.

This review examines how caloric restriction could promote autophagy to rejuvenate aging stem cells, though the precise molecular mechanisms remain unclear.

This study indicates that transient Msx2 expression is critical for wound-induced hair follicle neogenesis, with distinct phases in the healing process essential for epidermal competence and hair regeneration.

In this study, the researchers found that worse sleep scores were associated with progression of lower urinary tract symptoms and suggestively linked to their development in asymptomatic men.

This study demonstrated that supplementing aged mice with pro-IGF-II improved muscle regeneration by enhancing satellite cell proliferation and reducing adipogenesis, suggesting potential benefits for treating muscle injuries in elderly individuals.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This review discusses environmental factors like UV radiation and smoking that affect hair health and highlights the potential role of nutrition, but it reports no new results.

This study found that follicular density and various hair growth ratios differ statistically between nonscarring and scarring alopecia, though significant overlap exists due to factors like sample size and scalp variation.

Minoxidil affects rat fluid dynamics, altering pressure and circulation, improving blood flow and hair growth.

The researchers reported that minor salivary gland stem cells exhibit stem cell characteristics and respond to tobacco-derived carcinogens, implicating the transforming growth factor beta pathway in their maintenance.

This review discusses the current procedure for follicular unit hair transplantation, emphasizing its natural and reproducible results, but does not report new clinical findings.

In this study, partially purified apple polyphenols were found to inhibit preadipocyte differentiation in mouse cells by reducing GPDH activity and triglyceride accumulation.

Oral minoxidil effectively controls blood pressure quickly and safely.

This study reported that allethrin caused dose-dependent toxico-pathological effects, including decreased feed intake, body weight, and blood parameters, and organ damage in adult male albino rats.

This review examines the recent progress in using bioactive molecules for skin regenerative medicine and reports no new clinical results; the authors suggest this method could become a promising strategy for in situ skin regeneration.

This study observed dynamic behaviors such as cluster formation, migration, and active proliferation of transplanted bone marrow cells in a mouse model, providing insight into cellular-level changes post-transplantation.

This study reports that epidermal neural crest stem cells from dogs (cEPI-NCSC) can generate neural crest derivatives and may offer a new cell-based therapy for canine spinal cord injury, with potential as a model for human treatments.

This review explores theories on the evolution of hair from synapsid scales and glands, proposing mechanisms supported by comparative studies, but reports no new experimental findings.

This study analyzes the cultural ideology of female body image as portrayed in makeover TV programs, focusing on the impact of patriarchy, but it reports no new empirical results.

This study found that a serum-free DMEM-F12 medium with 45% oxygen best supports in vitro development and differentiation of human fetal skin, closely mimicking the in vivo state.

In this study, trichoscopic features aiding differential diagnosis of alopecia in Korean patients were found to be similar to those in Caucasians, but pigment pattern frequencies differed due to racial characteristics.

This study developed a mouse model to monitor hair follicle cycling macroscopically through live bioluminescence imaging, enabling detailed analysis of hair cycle and propagation dynamics influenced by environmental factors.

In this study, researchers characterized the normal scalp hair properties in South Koreans, observing that hair density declined with age and varied across scalp sites, while hair thickness patterns remained relatively stable until later in life.

This study found that formulation factors like pH, viscosity, and chemical enhancers can significantly influence intrafollicular hydrocortisone permeation in vitro, with higher pH and enhancers reducing follicular contribution.

This study found that keratinocytes show increased expression of the TGF-β system and collagen type I with age, suggesting a heightened profibrotic response during skin differentiation associated with scarring.

This study demonstrates that bioequivalence for proposed 50-mg ritlecitinib capsules versus clinical 100-mg capsules can be supported using a PBPK model-based biowaiver, achieving over 90% probability of success.