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This paper explores the complex immune processes and cellular diversity that enable the skin to heal and resist invasion, and highlights its potential as a model for studying regeneration.

This study found that IL-25-mediated-IL-17RB signaling improved diabetic wound healing by enhancing angiogenesis, collagen deposition, and endothelial cell function, suggesting a potential therapeutic strategy for poorly healing diabetic wounds.

This study identified key mRNAs and lncRNAs, along with related pathways, that play potentially important roles in hair follicle development and cycling in cashmere goats.

This review discusses leptin's regulatory roles in the progression of various dermatological diseases and reports no new clinical results, highlighting a complex relationship still under investigation.

This review explores the molecular mechanisms through which NGF may enhance burn wound healing by reducing healing time and improving scar quality, but it presents no new clinical results.

This study found that chemical sympathectomy inhibited hair follicle growth in mice, suggesting that sympathetic nerves may regulate keratinocyte behavior to promote hair growth.

This review discusses the bidirectional interactions between human mast cells and CD8 T cells in the skin, particularly in the context of disorders like psoriasis, atopic dermatitis, and vitiligo, and reports no new findings.

This study found that skin-infiltrating neutrophils play a crucial role in triggering chronic itch in atopic dermatitis by promoting skin hyperinnervation and enhanced expression of itch signaling molecules in a mouse model.

This review highlights advancements in the understanding and treatment of alopecia areata, noting that the approval of oral Janus kinase inhibitors like baricitinib and ritlecitinib marks a significant development in managing severe cases of this autoimmune condition.

This study suggests that bio-nanovesicles, such as exosomes and microvesicles, may enhance skin and hair follicle regeneration by modulating key signaling pathways, potentially overcoming the limitations of conventional treatments for alopecia and chronic skin diseases.

This narrative review synthesizes findings suggesting that exosomes show promise for dermatological and regenerative applications, with early human studies indicating acceptable safety and potential benefits for wound care, rejuvenation, and alopecia, though clinical and regulatory development is still in its infancy.

This review synthesizes recent molecular and preclinical advances in alopecia areata and androgenetic alopecia, highlighting how interventions targeting specific intracellular signaling pathways and utilizing stem cell technologies can support precision regrowth and structural follicle reconstruction.

In this study, PA-011, a traditional Chinese medicine extract, was shown to improve hair growth in alopecia areata model mice by reducing skin inflammation and altering skin microbiota, indicating its potential therapeutic role for this condition.

This study found that pediatric alopecia areata patients with atopic predisposition showed heightened immune and inflammatory responses, including significant immune cell infiltration, compared to adults and healthy controls.

Topical JAK inhibitors can effectively treat alopecia areata and vitiligo by modulating immune responses.

Hedgehog signaling is crucial for hair development, cadherins affect cell adhesion, neutrophils play a role in skin lesions, and BP230 autoantibodies impact skin stability.

In this case report, the temporal relationship between starting dupilumab treatment and the onset of psoriasis in an adult with atopic dermatitis suggests that dupilumab may contribute to psoriatic lesions, and dermatologists should consider psoriasis a potential adverse event of the medication.

This review discusses recent findings on the mechanisms driving bullous pemphigoid, highlighting epitope spreading and the roles of regulatory T cells, and reports no new experimental results.

In this study, activation of Tgr5 was found to improve alopecia areata and bone microstructure in mice by down-regulating the JAK1-STAT3 signaling pathway.

This study found that S-Methylmethionine sulfonium (SMMS) enhances cell survival and reduces damage from UVB irradiation in skin cells, suggesting its potential as a cosmetic ingredient for UV protection.

This review discusses the biological effects of honokiol for treating skin diseases and reports no new clinical results; the authors recommend further exploration of topical applications.

This review highlights emerging evidence that chemotherapy-induced alopecia may be driven by immune mechanisms similar to alopecia areata, involving hair follicle immune privilege collapse, and evaluates Janus kinase inhibitors as potential treatments, while cautioning about their immunosuppressive risks in cancer patients.

In this study, authors present a case where a 26-year-old patient with alopecia areata experienced relapse after initially responding to Tofacitinib, mitigated by corticosteroids, highlighting challenges and potential insights into the treatment and pathogenesis of the condition.

In this animal study, researchers found that local administration of mesenchymal stem cell therapy improved hair regrowth and reduced local inflammatory cytokines in mice with Alopecia Areata, although systemic cytokine levels were unchanged.

This study found that an extract from Justicia procumbens may prevent hair loss in a mouse model of androgenic alopecia by enhancing hair follicle cell proliferation and improving hair characteristics.

This study found that miRNAs increase and target mRNAs and lncRNAs decrease from the anagen to telogen phase in mouse hair follicles, and these ceRNA networks may play a role in hair follicle cycling.

This study found that TGFbeta is a key pathway causing age-related loss of dermal fat's antimicrobial function, suggesting that targeting TGFBR might help restore skin defense against infections in older age.

This review identifies shared interferon gamma-driven immune pathways in vitiligo and alopecia areata, revealing potential targets for new treatments, but reports no clinical results.

This review explores regenerative medicine approaches for vitiligo and alopecia areata, focusing on pathways for repopulating melanocytes and regrowing hair follicles, and summarizes potential treatments without reporting new clinical results.

This study observed mixed responses to dupilumab in patients with both atopic dermatitis and alopecia areata, suggesting a potential role for Th2 axis dysregulation in alopecia areata.