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This review discusses emerging research areas in alopecia areata pathobiology, highlighting the potential roles of unconventional immune cells and the need for more targeted therapeutic strategies, but reports no new experimental 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.

This review discusses the role of the long form of thymic stromal lymphopoietin in cutaneous immune-mediated diseases and reports no new results.

Developing human skin has immune cells with memory-like features.

This study identified four immune-related signaling molecules (LGR5, PTN, JAG1, and DKK1) associated with keloid, suggesting their potential role in its pathogenesis and as targets for new treatments.

This review discusses advances in understanding the mechanisms behind radiation-induced skin reactions, highlighting recent insights into the roles of stem cells and immune cells in injury mitigation and late carcinogenesis, as reported in the context of ionizing radiation exposure.

This review of seborrheic dermatitis highlights the role of complex immunoinflammatory processes in its pathogenesis and discusses emerging treatments, such as PDE4 inhibitors, JAK inhibitors, and microbiome-targeted therapies, which may benefit patients with severe or treatment-resistant forms, according to the authors.

This review discusses the complex role of immune disturbances and the JAK-STAT pathway in alopecia areata, noting the success of JAK inhibitors in treatment, while highlighting ongoing debates and challenges in targeting other pathways like IL-17 and TNF-α.

This review highlights the limitations of existing hair loss treatments like minoxidil and finasteride and suggests that future therapies may benefit from focusing on antibody and cell-based treatments, which offer targeted and potentially transformative options for managing hair loss disorders.

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.

This study examines the similarities and differences in the pathogenesis of autoimmune conditions alopecia areata and vitiligo, highlighting shared features like immune cell involvement and cytokine pathways, while noting differing immune responses in skin and hair.

This review article reports recent advancements in understanding, diagnosing, and treating various hair loss conditions, like androgenetic alopecia and alopecia areata, including their genetic factors and new therapeutic options, while also examining the impact of COVID-19 on hair loss.

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

This review analyzes the interplay between atopic dermatitis and alopecia areata, suggesting that epidermal barrier dysfunction and genetic predispositions exacerbate both conditions through immune responses.

This review summarizes the pathophysiology and immune mechanisms of inflammatory skin diseases like psoriasis and atopic dermatitis, highlighting the therapeutic potential of targeted immunotherapies, but reports no new clinical results.

This narrative review highlights the shared immunopathogenesis of alopecia areata and atopic dermatitis and discusses approved and investigational therapies that target common pathways, suggesting a future for personalized treatment strategies.

This review discusses the role of the skin microbiome in maintaining health and modulating atopic dermatitis, emphasizing the need for novel therapeutic strategies, but reports no new clinical results.

In this study, selective inhibition of JAK3 signaling effectively prevented and reversed alopecia areata in a mouse model, while JAK2 inhibitors did not restore hair growth.

JAK inhibitors and platelet-rich plasma show promise for treating alopecia areata.

Emerging therapies like JAK inhibitors show promise for hair regrowth in alopecia areata.

This review examines the role of cannabinoid compounds in treating various skin conditions and suggests their potential as systemic and topical therapies, but it reports no new experimental results.

This study observed that Epigallocatechin-3-gallate (EGCG) can inhibit phosphorylation of STAT1 and reduce a specific subset of immune cells in vitro and ex vivo, suggesting a potential role in maintaining immune privilege in alopecia areata.

This review discusses the role of autophagy in skin cells and its potential implications for treating immune-related skin diseases, reporting no new clinical results.

This study found that elevated TSPEAR expression in colorectal cancer was associated with poor overall prognosis and correlated with tumor infiltrating immune cells, suggesting its potential as a predictive biomarker.

This article reviews the influence of vitamin D on various dermatological diseases and suggests that vitamin D supplementation might aid in maintaining skin cell homeostasis; it reports no new clinical results.

This study found that PPARα agonists provided protective effects in mouse models of alopecia areata by promoting early reversal of the condition and inhibiting T effector cell function, indicating potential therapeutic value for this inflammatory condition.

This study characterized two siblings with hereditary vitamin D resistant rickets and a mutation in the vitamin D receptor, finding no immune-related disorders despite a defective T cell response to vitamin D.

In this study, OEA was found to significantly enhance sebaceous lipogenesis and potentially reduce inflammation in human sebocytes, suggesting it as a promising candidate for treating skin dryness.

This study found that acne lesions and nonlesional skin in mild-to-moderate acne patients showed significant Th17-skewing and increased antimicrobials, suggesting systemic targets like IL-17/IL-23/IL-36 could be therapeutic.

This study found that high TSPEAR expression in colorectal cancer was associated with poor prognosis and correlated with various tumor and immune-related factors.