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This source explores alopecia areata, an immune-mediated disorder causing patchy hair loss due to immunological attacks on hair follicles, with a complex interaction of genetic, environmental, and immunological factors, particularly T-cell-mediated inflammation, contributing to its onset.

This study identified key genes linked to immune cells and potential therapeutic compounds for alopecia areata by evaluating upregulated genes from patient datasets, highlighting T and NK cell involvement in hair follicle attack and suggesting drug candidates through molecular docking and dynamics simulations.

In this animal study, researchers discovered that CD4 T cells from mice with alopecia areata can induce the disease more efficiently than those from unaffected mice, likely by supporting CD8 T cell activation and hair follicle attack.

This review discusses immune privilege in anagen hair follicles and its collapse in alopecia areata, emphasizing the importance of restoring this function for effective management and disease relapse prevention.

This study developed a technique to limit genetic recombination to regulatory T cells to investigate whether self-tolerance is maintained in non-lymphoid tissues, an area previously not well understood.

This study found that direct immunofluorescence of hair is a simple and non-invasive alternative for monitoring pemphigus vulgaris, matching skin biopsy results in the cases observed.

This study found that acute stress can cause rapid hair loss by triggering necrosis in hair follicle cells and initiating autoimmunity, revealing a mechanism where stress-induced nerve activity leads to tissue damage and immune system activation.

This study reviews the role of hair follicles in the development, symptoms, and treatment options for vitiligo and alopecia areata, aiming to enhance understanding of their involvement in these autoimmune conditions and explore potential therapies.

This study proposes the miR-22-5p-LEF1 axis as a novel pathway that may regulate hair follicle stem cell proliferation.

This protocol describes a method for cultivating stem cells on a fibrin carrier for potential transplantation to the eye, but it reports no new clinical findings.

In this research, the author hypothesizes that curly hair is influenced by the contraction of the Arrector Pili muscle, suggesting that its relaxation through specific treatments could potentially modulate hair follicle curvature, but further studies are needed to confirm this mechanism.

This review highlights the importance of using 3D scaffolds in vitro to support hair follicle regeneration, emphasizing how these structures help maintain cell function and mimic the natural environment, which is crucial for developing hair follicle organoids for transplantation.

This review discusses alopecia areata as a model for studying tissue-directed autoimmune diseases and reports no new clinical findings.

This review discusses the interplay between hormonal and immune systems in hair follicles and reports no new results, highlighting the need for further research on their role in skin biology and alopecia areata.

This review discusses the mechanisms underlying the collapse of hair follicle immune privilege in alopecia areata and emphasizes the importance of therapeutic strategies aimed at restoring immune tolerance.

This case report describes the presence of a teratoma within an equine antral follicle and suggests that the ovary maintained functionality despite the teratoma, as indicated by active antral follicles and recent ovulation.

In this study, a dual-layer electrospun nanofibrous mat incorporating chitosan nanoparticles, growth factors, and hair follicle bulge stem cells significantly enhanced wound healing in a rat model.

This study used cashmere goats to reveal distinct intermediate states of dermal papilla cells, each with specific roles in hair growth, shedding, and regeneration.

This study found that hair follicle stem cells can proliferate and differentiate into keratinocytes on chitosan skin-engineered templates, suggesting potential applications in regenerative medicine.

This study found that dermal papilla cells in culture may enhance and attract follicular epithelial cell growth, suggesting their pivotal role in hair and follicle development.

The excimer laser may help hair regrow in alopecia areata patients.

Scarring alopecia involves increased immune cells and specific gene changes near damaged hair follicles.

This review discusses various treatment options for alopecia areata, focusing on manipulating the immune response around hair follicles, but reports no new clinical results.

This study found that melatonin receptor genes play a key regulatory role in the development of goose skin feather follicles during embryonic development.

In this study, canine hair follicle stem cells were shown to be multipotent, capable of differentiating into various cell types like adipocytes in vitro.

This article reviews current and emerging treatments for alopecia areata, emphasizing the need for biomarker-driven patient stratification to optimize therapeutic strategies and reduce potential side effects; it reports no new clinical findings.

This review summarizes the role of Hoxc13 in regulating hair follicle development and growth, noting its influence on keratin and keratin-associated proteins, and reports no new experimental findings.

In this narrative review, researchers outlined the role of T cells in the autoimmune pathogenesis of alopecia areata and highlighted ongoing research into therapeutic pathways, beyond current JAK inhibitors, aimed at developing new treatments for the disease.

This literature review examines the complexities of childhood alopecia areata, focusing on its forms, gene expression, and causes, providing a comprehensive analysis of this autoimmune disorder.

This abstract discusses alopecia areata, highlighting its complex autoimmune pathogenesis involving immune cells and signaling molecules, and underscores the importance of accurate diagnosis and tailored management strategies, noting the need for further research to improve treatments.