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This article reviews the role of epithelial-mesenchymal interactions in hair follicle morphogenesis and the hair cycle, suggesting potential paths for developing treatments for hair growth disorders but providing no new clinical findings.

This review discusses immune pathways involved in alopecia areata and explores emerging, more targeted therapeutic strategies, noting their potential for better safety and effectiveness compared to traditional immune suppressants.

This study identified the Hairless (Hr) gene-encoded protein as a corepressor that plays a crucial role in maintaining skin and hair by regulating epithelial stem cell differentiation and gene expression via chromatin remodeling, which may impact both development and disease.

This review explored the new and emerging treatments for androgenetic alopecia and alopecia areata, finding that JAK inhibitors show promise for alopecia areata, while advancements in stem-cell research may eventually lead to new and improved treatments for androgenetic alopecia.

This review discusses the role of hair follicle stem cells as active signaling centers in skin homeostasis, highlighting recent advancements and reporting no new clinical results.

This study found that glycyrrhizic acid significantly reduced stem cell characteristics of dermal papilla cells by down-regulating key signaling pathways, suggesting potential use in suppressing unwanted hair growth.

This study found that transgenic mice with expression of HPV16 E6/E7 oncogenes showed improved ear tissue regeneration, including hair follicles and cartilage, without tumor formation.

This review found that among emerging technologies for skin anti-aging, stem cell therapies using recipient chimerism might be more beneficial than CRISPR-Cas9 and other current innovations, though further studies on safety and efficacy are needed.

In this study, vitiligo and alopecia areata were more common among patients with chronic graft-vs-host disease than previously reported, linked to higher NIH skin scores and greater immunosuppressive treatment.

This study found that Wnt ligands from CD133-positive dermal papilla cells are essential for maintaining hair growth by supporting cell signaling between different hair follicle structures.

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.

In this study, knockdown of XIST in 3D-cultured dermal papilla cells inhibited hair follicle regeneration by interfering with miR-424 and hedgehog signaling, highlighting XIST's role in hair development.

This case report presents the first evidence of significant antigen presenting cells around hair follicles in a patient with alopecia due to active systemic lupus erythematosus.

This study found that the natural extract e-CAF promotes the proliferation and migration of human hair dermal papilla cells in vitro, suggesting potential benefits for skin regeneration and tissue repair.

This study suggests that an in ovo injection of CHIR-99021 promoted feather growth and follicle development in goose embryos by activating the Wnt signaling pathway.

This review discusses how JAK inhibitors, like tofacitinib and baricitinib, show promise in improving conditions like lichen planopilaris and frontal fibrosing alopecia by reducing severity scores and enhancing hair regrowth, though further research on safety and personalized approaches is needed.

This study shows that in a mouse model of Alopecia Areata, selective JAK1 inhibition facilitated hair regrowth and inflammation resolution while potentially offering a better safety profile compared to pan-JAK inhibition.

This study found that vitamin A significantly enhanced the proliferation and inhibited apoptosis of rabbit dermal papilla cells under heat stress, likely by modulating miR-195/IGF1 and Wnt10b/β-catenin signaling pathways.

This review summarizes the role of G-protein-coupled receptors in wound healing and reports no new clinical results, highlighting their importance in signaling pathways and recent discoveries in their functions.

This study reports that PADI4, an enzyme involved in posttranslational protein modifications, regulates progenitor cell transitions in hair follicle development by repressing transcription and interacting with translational and ribosomal processes.

This review highlights new treatment options for alopecia, including JAK inhibitors and Wnt pathway-targeting therapies, which may offer better efficacy and safety than traditional treatments like minoxidil and finasteride, but notes the need for more research on long-term effects and patient-specific responses.

This study found that low molecular weight collagen peptide from fish may promote hair growth in both human cells and mice by activating the Wnt/β-catenin signaling pathway.

This review discusses the pathophysiology of alopecia areata, highlighting the role of CD8 cytotoxic T cells and the upregulation of JAK signaling pathways; it reports no new experimental results.

This study suggests that edelweiss extract may promote hair growth and reduce shedding in ex vivo experiments by affecting hair follicle anagen phase duration and keratinocyte proliferation.

This study found that fermented mackerel oil increased hair growth by promoting dermal papilla cell proliferation and cell cycle progression through wnt/β-catenin signaling activation in vibrissa follicles.

This study found that mackerel fermented fish oil protected human keratinocyte cells from UVB-induced oxidative stress by scavenging free radicals and reducing cellular damage.

This study observed that follistatin and activin interactions significantly influence hair follicle development in mice, suggesting potential regenerative treatments for alopecia.

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.

This study reported that depleting the pro-apoptotic protein Bax in hair follicle stem cells enables these cells to kill nearby viable cells by sequestering TNFα, which increases the stem cell pool and accelerates tissue regeneration, suggesting potential implications for therapies targeting tissue repair and cancer.

This study found that Rubus coreanum extract promotes hair growth in mice, but its effects are not due to inhibition of specific enzymatic activities or growth factor expression.