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This review summarizes recent research on the molecular properties and functions of L-PGDS and PGD2, but reports no new findings, highlighting their pathophysiological roles and guiding future studies.

This review discusses the fundamental features of hair follicle biology and its clinical importance, but it reports no new clinical results.

In this study, BLIMP1 was found to function in terminally differentiated epidermal cells to maintain homeostasis, rather than defining a sebocyte progenitor population.

This study found that ionizing radiation primarily affects keratinocyte stem cells in the hair follicle, suggesting they play a central role in radiation-induced hair graying, rather than melanocyte stem cells.

This review discusses the various roles of RANK signaling in bone remodeling, immune function, and epithelial differentiation, highlighting its potential involvement in cancer mechanisms; it reports no new clinical results.

This study suggests that low-dose IL-2 and IL-15 may help restore immune tolerance in alopecia areata by maintaining Treg cell function, presenting a potential new treatment strategy.

This study identified gene expression patterns in a mouse model that may influence tumor susceptibility and tissue functions related to inflammation and cell proliferation, highlighting Lgr5 and the vitamin D receptor as key regulators.

This study demonstrated that an engineered human skin equivalent can generate follicle-like structures resembling fetal skin, highlighting the role of the dermal compartment in directing epithelial cell fate in vitro.

This article reviews sebaceous immunobiology and highlights the complex role of sebaceous glands and sebocytes in skin barrier function and inflammation, particularly in acne pathogenesis, but reports no new results.

This review discusses hair follicle organoids as emerging models for studying hair biology and disorders, emphasizing their promise for bridging basic research and clinical applications, but reports no new results.

This manuscript reviews the latest understanding of alopecia areata's pathogenesis, highlighting the roles of genetic, immunological, and environmental factors, with a focus on immune responses involving IFN-γ and cytotoxic CD8+ T-cells as key contributors to hair follicle inflammation and function disruption without follicle destruction.

In this study using a transgenic mouse model, Id2 overexpression in hair follicle stem cells prolonged quiescence by affecting gene expression, partly independent from BMP signaling.

This review highlights the role of matriptase in epithelial differentiation and cancer, noting that unregulated matriptase expression can enhance cancer progression in animal models, but reports no new experimental data.

This study found that in squamous cell carcinomas, the inhibition of the tumor-suppressor function of TAp73β by ΔNp63α occurs through promoter squelching, not direct protein interaction.

This review discusses recent advancements in regenerative medicine, including functional organ regeneration and the creation of mini-organs, and reports no new clinical results.

This study revealed that in androgenic alopecia, the proximal attachment of the arrector pili muscle to the hair follicle is often lost or significantly reduced.

This study found that GDNF promotes hair formation and wound repair in mice by enhancing the function of bulge stem cells.

This study found that PDLLA filler treatment may help combat age-related hair thinning by reducing oxidative stress and enhancing hair follicle function in both cell and animal models.

This review discusses circadian clock regulation in stem cells and its role in processes like neurogenesis, but reports no new results; the authors emphasize its significance in stem cell function across various tissues.

This review discusses the role of Hedgehog signaling in epidermal and hair follicle development and its involvement in basal cell carcinoma, without reporting new empirical findings.

In this study, targeted inactivation of the integrin-linked kinase gene in melanoblasts led to defects in cell migration, proliferation, and ability to populate the skin, implicating an integrin-linked kinase-Rac1 connection in melanocyte function.

This study found that Ifidancitinib, a JAK1/3 inhibitor, significantly promoted hair regrowth and reduced inflammation in a mouse model of alopecia areata by decreasing pathogenic T cell activity and inducing T cell exhaustion.

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 review summarizes advancements in biomedical engineering for hair follicle regeneration, highlighting strategies like cell transplantation and tissue engineering to reconstruct hair follicles, and discusses both their technical limitations and potential future innovations in regenerative medicine.

This study found that VE-cadherin and Alk1, traditionally linked to vascular functions, also play crucial roles in maintaining nerve homeostasis in mice during hair growth cycles by modulating certain cell populations.

This study found that the dysfunction of hair follicle dermal stem cells with age contributes to hair follicle aging and hair loss in mice.

This review explores the novel roles of white adipose tissue in tissue homeostasis and regeneration, emphasizing its impact on epithelial, muscle, and immune tissues, and reports no new clinical results.

This review discusses the role of the immune niche in hair follicle regeneration and its impact on different forms of alopecia, highlighting research gaps and potential therapeutic strategies.

This study found that the retinol dehydrogenases SDR16C5 and SDR16C6 in mice play a crucial role in skin retinol dehydrogenase activity, affecting hair growth and gland functions without impacting survival.

This review explores the role of Foxn1 in mammalian skin biology, discussing its influence on hair follicle function and the potential for further research to enhance understanding of epithelial differentiation.