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This study reviewed evidence on biologic drugs targeting immune cells for alopecia areata, finding mixed results: some achieved case-level hair regrowth, but controlled trials often showed limited efficacy.

Rituximab treatment led to complete hair regrowth and improved skin in a woman with pemphigus foliaceus.

This study found that Ber-EP4 immunoreactivity is present in specific areas of hair follicles across different stages of the hair cycle, particularly in the secondary hair germ, but not in mature anagen follicles.

This review discusses sex differences in immune responses and highlights mechanisms involving sex hormones, X-linked genes, and X-Chromosome Inactivation, but reports no new clinical findings.

This case report identifies a new type of hair matrix tumor called "rippled pattern trichomatricoma," distinguished by its unique cell arrangement and differentiation features.

This study found that deleting specific super-enhancer regions in mice affects CD25 expression in a cell type-specific manner, leading to autoimmune alopecia in some cases and revealing distinct regulatory mechanisms for constitutive and inducible expression of CD25.

This review discusses the role of tyrosine kinase signaling pathways in autoimmune and inflammatory skin diseases and reports no new clinical results, highlighting ongoing research into small-molecule tyrosine kinase inhibitors as potential treatments.

This case report describes a 6-year-old who developed autoimmune conditions including type III polyglandular autoimmune syndrome following drug-induced hypersensitivity syndrome, prompting an investigation into associated triggering factors.

This study suggests that sweat glands may have an immune privilege similar to hair follicles, and disruptions in this could contribute to autoimmune skin diseases.

This study found that FRβ knockout mice exhibited autoimmune symptoms and slower tumor growth compared to wild type mice, suggesting that the FRβ receptor may play a role in regulating immune responses in tumors and autoimmune conditions.

This study used machine learning to identify molecular predictors of drug response in alopecia areata, suggesting a tool for predicting treatment efficacy based on gene signatures.

This case report presented a 52-year-old man with cutaneous focal mucinosis, exhibiting rare follicular induction of the epidermis, underscoring the importance of recognizing this association in differential diagnoses.

This study reports that 14 of 19 patients with erythema nodosum leprosum had C3 deposits in vessel walls when examined using direct immunofluorescence.

This letter to the editor discusses the immune response related to hair loss in a case of atypical drug-induced hypersensitivity syndrome but reports no new research findings.

This article discusses the potential involvement of hair follicle melanocytes in follicular vitiligo, noting a pattern of depigmentation centered on follicles and supported by inflammatory infiltrates, without reporting new clinical results.

This article discusses the kinetic and topographical heterogeneity in follicular thyroid neoplasms and reports no new research findings; the authors emphasize understanding diverse growth patterns.

This study found that patients with Alopecia Areata had significantly higher levels of the chemokines MIG and IP-10 compared to healthy controls, suggesting these molecules may serve as potential biomarkers for diagnosing and monitoring the condition.

This study found that Thy1+ keratinocytes in the basal layer of the interfollicular epidermis play a crucial role in epidermal homeostasis and wound repair, with their ablation impairing these processes.

This review discusses the similar immune pathways and genetic risk factors of vitiligo and alopecia areata but reports no new clinical findings, emphasizing the potential for shared treatment research.

This study found that folliculin deficient renal cancer cells were more sensitive to irradiation due to increased autophagic cell death, suggesting a potentially enhanced therapeutic approach when combined with autophagy inducers like rapamycin.

This study suggests that NKG2D+ Vδ1 T cells may contribute to hair follicle pathology in alopecia areata by recognizing stressed keratinocytes and inducing immune privilege collapse.

This study observed that heavy draft horses with verrucous pastern dermatitis showed significantly increased expression of keratins K6 and K16, suggesting a phylogenetically conserved keratin expression pattern in response to skin inflammation and proliferation.

This study introduced a new technique, 2Phatal, enabling precise apoptotic cell ablation in living animals, revealing unique cell-type differences in apoptosis-related dynamics.

This report presents a rare case of a patient with type Wong dermatomyositis who also exhibits clinical and histologic features of porokeratosis, potentially signaling associated malignancies in dermatomyositis patients.

This article reviews common pitfalls in biopsy site selection and technique that can lead to misdiagnosis of various skin conditions, highlighting the importance of proper biopsy practices for improving diagnostic accuracy.

This editorial reviews how photobiomodulation therapy might effectively treat both hyperpigmentation and depigmentation skin disorders, but reports no new clinical results.

In this single-cell transcriptomic study, researchers analyzed AA scalp samples and found distinct immune and nonimmune cell activation patterns, with elevated TH1/TH2 and JAK/STAT markers potentially contributing to hair follicle immune privilege disruption and disease severity.

This source describes a case of a 12-year-old male diagnosed with folliculotropic mycosis fungoides, presenting with an asymptomatic, erythematous plaque. Histology and immunohistochemistry confirmed FMF, which is typically rare in children and marked by follicular infiltration by CD4+ lymphocytes.

This review of sequential immunotherapy strategies for alopecia areata suggests that combining initial intensive immunosuppression with maintenance therapy may effectively manage disease progression by modulating inflammation and restoring immune tolerance.