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This review examines beta-catenin's role in stem cell renewal, lineage selection, and tumor formation in the epidermis and reports no new experimental findings.

This article discusses the etiology, clinical features, and treatment of alopecia areata but presents no new clinical findings, underlining the palliative nature of current therapies.

This study reviewed the role of the JAK/STAT signaling pathway in skin diseases and the potential of JAK inhibitors for treating conditions like psoriasis and atopic dermatitis. Although the findings are promising, the authors concluded it is premature to establish their place in dermatological treatments.

In this study, alopecia areata patients treated with diphencyprone showed a significant increase in CD8 lymphocytes around hair bulbs, which may be associated with hair regrowth.

This article reviews potential animal models for studying androgenetic alopecia and reports no new experimental results; the authors highlight the need for further development of rodent models.

This review discusses rodent models of alopecia areata and suggests they are crucial for understanding the autoimmune mechanisms and potential treatments but reports no new clinical results.

This review summarizes current genetic knowledge of alopecia areata and provides a theoretical framework for future genetic mapping studies, but reports no new results.

This review discusses various Wnt pathway modulators developed between 2014 and 2020, highlighting their potential as treatments for diseases like cancer and osteoarthritis, but reports no new clinical results.

This review emphasizes the potential of repurposing topical L-thyroxine for skin ulcers and telogen effluvium and highlights the need for further exploration of its use in dermatology.

In this study, saw palmetto supplements showed varied effects on cell growth in vitro and did not significantly inhibit growth in the hamster flank organ model despite a notable trend.

In this study, ob/ob mice were found to have a prolonged telogen hair cycle phase from 10 to 24 weeks, suggesting their potential as a model for studying telogen effluvium.

This study found that Meth-A cells induced alopecia in mice, but this effect was blocked by a protein kinase inhibitor, suggesting immunological mechanisms involving lymphokine-activated killer cells.

This study found that hair follicles from dogs with recurrent flank alopecia regenerated and regrew hair when grafted onto mice, suggesting systemic rather than local factors may drive the condition.

This study provides evidence that innate lymphoid cells-type 1 can induce alopecia areata in human hair follicles, challenging the view that it is solely a CD8+ T cell-driven autoimmune disease.

This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.

This study reported that CCT oligodeoxynucleotide induced patchy hair loss in male mice with specific genetic traits, suggesting gender and genetic preferences in immune response.

This study suggests that skin-derived precursors from Sox2(+) hair follicle dermal cells have the potential to function as dermal stem cells, supporting hair morphogenesis, dermal maintenance, and wound-healing.

This review discusses various methods for obtaining stem cell-derived conditioned media and its applications in disease treatment, finding generally positive results but highlighting the need for standardized production methods.

This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.

This article presents a comprehensive guide for classifying human hair follicle cycle stages in vivo using scalp xenografts on immunocompromised mice, offering valuable resources for researchers in the field.

This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.

In a neonatal rat model, this study found that topical CDK2 inhibitors reduced chemotherapy-induced hair loss in 33 to 50% of the animals, suggesting a potential strategy for preventing alopecia in cancer patients.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

This review discusses the potential of targeting the endocannabinoid system for treating skin disorders and reports no new clinical results, highlighting the need for further research.

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.

This study found that prolactin plays a direct role in regulating the timing of hair growth cycles in mice by affecting the skin, rather than through other endocrine factors.

This article reviews the generation of complex integument patterns through genetic, chemical, and environmental influences, with applications in tissue engineering, but reports no new experimental results.

This review discusses the potential of plant polyphenols to overcome multidrug resistance in various solid cancers and reports no new experimental results; further research is suggested.

This review discusses baricitinib's applications for various inflammatory disorders and highlights its promising efficacy alongside potential adverse effects, advocating for further research before it becomes a standard treatment.

This study found that human hair follicle dermal cells, specifically dermal sheath cells, can serve as an alternative and potentially superior cell source for constructing the dermal component of bioengineered skin in both in vitro and in vivo settings.