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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 using the C3H/HeJ mouse model of alopecia areata, researchers found that hyperexpanded CD8⁺ T cell clones were sufficient to initiate disease, establishing a causal link between T cell clonality and pathogenicity.

This article discusses the role of neurohormones and neuropeptides in hair follicle pigmentation and outlines promising neuroendocrinological strategies to address greying and damage, but reports no new clinical results.

This case report documents the first instance of frontal fibrosing alopecia where lichen planopilaris developed at wig attachment sites, suggesting wigs may trigger the Koebner phenomenon in affected patients.

This review discusses the transmission and immune response of SARS-CoV-2 and highlights ongoing research for developing vaccines and antiviral treatments, but it presents no new clinical findings.

This source reports that platelet-rich plasma may be as effective as intralesional corticosteroids for treating patchy alopecia areata, with potential for earlier and more sustained results, while promising in vitro and animal studies on stem cells highlight the need for more clinical research.

In this review, the researchers highlight the role of fibroblasts in regulating the extracellular matrix and immune responses, emphasizing the impact on macrophages and potential therapeutic insights for fibrotic diseases and cancer.

In this study, researchers created a detailed human skin cell atlas by analyzing over 700,000 cells, finding that disrupted communication among specific immune and stromal cell subsets may play a key role in initiating and sustaining chronic skin inflammation in atopic dermatitis.

Low m6Ascores in melanoma predict better survival and response to immunotherapy.

This review discusses the potential benefits of nonantibiotic macrolides for treating inflammatory skin disorders and reports no new clinical results.

This mini-review details how the SOX family of transcription factors contributes to cancer immune evasion by affecting antigen presentation, impacting the tumor's immunosuppressive environment, and regulating immune checkpoints, offering insights for developing novel immunotherapy strategies.

This review highlights that malnutrition, including deficiencies in proteins and micronutrients, may exacerbate allergic conditions like dermatitis and asthma by promoting inflammation, while adequate micronutrient intake supports regulatory immune responses.

This article discusses the potential of extracellular vesicles for developing precise psychiatric therapies and the need for interdisciplinary collaboration, but reports no new clinical results.

This review highlights recent advancements in engineered probiotics for wound healing, reporting that genetically engineered strains of Lactobacillus reuteri and Lactococcus cremoris have shown promise in promoting faster wound healing in pre-clinical and clinical settings, particularly for diabetic foot ulcers.

Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.

This review discusses the current state of alopecia areata treatments, noting that while recent advances such as Janus Kinase inhibitors show promise, persistent challenges like limited efficacy, safety concerns, and patient compliance highlight the need for innovative drug discovery and development strategies.

In this observational study, SOX10 was expressed in 53 out of 81 examined hair follicles in patients with alopecia areata and showed a significant positive relation with the perifollicular lymphocytic infiltrate, suggesting that melanocytes may play a role in the disease's autoimmune pathogenesis.

The authors discussed that SOCS1 and SOCS3's inhibition of JAKs plays a significant role in the development of JAK inhibitor drugs for skin inflammatory diseases and malignancies.

This study proposes that neutralizing antibodies and exosomes in convalescent plasma may interfere with early immune responses, potentially explaining limited success of this therapy in active COVID-19 infections.

Alopecia areata involves complex immune cell interactions, especially between CD8+ T cells and macrophages, which could help develop new treatments.

Arg1+ macrophages may play a role in causing alopecia areata.

This study found that OR-101, a selective JAK3/TEK inhibitor, was associated with dose-dependent improvements in hair growth in humanized mice with alopecia areata, suggesting its potential as a treatment option.

This study found that blocking LFA-1 signaling completely prevented the development of alopecia areata in C3H/HeJ mice, suggesting that LFA-1 plays a crucial role in the disease's pathogenesis and could be a target for new therapies.

In this study, researchers found that miR-199a-3p plays a regulatory role in hair follicle development via the PTPRF/β-catenin axis and established a mouse model of alopecia areata by downregulating this small RNA, suggesting its potential value in studying alopecia diseases.

This study found that the proprietary aptamer TAGX-0003 significantly inhibited IFNγ-induced effects in pre-clinical human models of alopecia areata, promoting hair regrowth and potentially preventing disease relapse.

This review discusses the role of the complement pathway in alopecia areata and reports no new clinical results; the authors suggest that targeting this pathway could offer treatment options.

In this study, two female patients with severe, treatment-resistant alopecia areata showed significant hair regrowth after a single session of intradermal administration of adipose tissue–derived exosomes, without experiencing adverse events, suggesting a promising therapeutic strategy for refractory cases.

This review explores multidisciplinary advances in understanding alopecia areata, including epidemiology, pathogenesis, and innovative treatments, but reports no new research results.

Alopecia Areata affects 2% globally, with treatments like essential oils, garlic, and JAK inhibitors showing promise, but more research is needed.

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.