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This study suggests that CD8+ cytotoxic T lymphocytes play a crucial role in the development of alopecia areata, based on observations in rodent models that mimic human autoimmune disease.

This paper proposes that the induction of HF-specific neo-antigens by peripheral CD8+ T cells may maintain self-tolerance but could also lead to immunopathology in conditions like alopecia areata.

This study observed that expanding regulatory T cells in the skin of mice with alopecia areata did not reverse the condition, indicating that additional immunotherapy may be necessary.

This study found that RANKL signaling enhances CD8+ T cell-mediated anti-viral immunity during herpes simplex virus infection by preventing apoptosis of Langerhans cells, suggesting potential therapeutic applications.

This article reviews the epidemiology, clinical evaluation, and pathogenesis of alopecia areata and highlights recent advancements, but it does not report new clinical findings.

In this case study, the progression of alopecia universalis in a Japanese man was linked to the involvement of Th1 and Th17 cells, suggesting an autoimmune mechanism.

In this study, researchers found that alopecia areata is linked to immune cell activation against hair follicle autoantigens and is associated with heart changes and cardiac marker alterations in humans and mice.

This review outlines the proposed theories behind the development of alopecia areata, emphasizing the autoimmune process involving lost immune privilege in hair follicles, and stresses the need to pinpoint specific pathogenic mechanisms for potential treatments.

In this study, researchers found that serum granulysin levels might serve as a novel marker for disease activity in acute alopecia areata, being significantly associated with broader bald skin areas, poorer prognosis, and co-existing allergic disorders.

This study found that JAK inhibitors promote hair regrowth in both mice and human alopecia areata cases by blocking key immune pathways involved in disease development.

Harris et al. describe a new mouse model for vitiligo, where interfollicular melanocytes are retained and melanocyte-targeting immune responses are simulated, aiding the development of immunomodulatory therapies.

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.

In this study, researchers observed that dormant TRP-2+ melanoma cells in bone marrow can interact with CD8+ T cells in tumor-bearing ret transgenic mice, potentially influencing immune responses.

This study observed that pantethine, a vitamin B5 precursor, attenuates tumor growth in immunocompetent mice by enhancing antitumor immunity, but its effect is limited by immune cell exhaustion over time.

This study outlines new strategies for overcoming "cold" tumors, which are typically unresponsive to cancer immunotherapy, with approaches like dendritic cell-based treatments and local immune microenvironment modification, bolstered by both preclinical and clinical trial data.

This preclinical study found that exercise-induced extracellular vesicles delayed breast cancer tumor growth in mice, potentially by enhancing the immune response within the tumor microenvironment.

This article shares the researchers' challenging journey in exploring the pathobiology of alopecia areata and reports no definitive clinical advances.

In this study, researchers observed that Melan A, a melanocytic marker, was significantly expressed in hair follicles of alopecia areata patients and correlated with immune infiltrates, suggesting melanocytes might contribute to the autoimmune response in this condition.

This study explored the effectiveness of the oral JAK1/2 inhibitor ruxolitinib in treating patients with moderate-to-severe alopecia areata, building on prior success with JAK inhibitors in mice, but results are not reported in this abstract.

This article is a Letter to the Editor discussing rebound effects associated with JAK inhibitor use in treating alopecia areata and reports no new clinical results.

This study found that in patients with alopecia areata, serum granulysin levels decreased significantly after treatment with tofacitinib and correlated with reduced disease severity, suggesting serum granulysin as an indicator of immunological activity and response to therapy.

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 reports that extracellular microvesicles isolated from stimulated dermal fibroblasts enhanced hair follicle growth ex vivo and identified norrin as a novel modulator in hair regeneration processes.

This study observed a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting that serological tests could help diagnose subclinical celiac disease in these patients, with IgA and IgG showing 100% sensitivity and specificity at specific cutoff points.

This study found a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting a need for celiac disease screening in these patients.

This article reviews the clinical presentation and histopathologic features of alopecia areata and proposes a hypothesis for its development, but it reports no new clinical results.

This article reviews the multifunctional roles of calreticulin outside the ER and highlights its impact on wound healing in animal models, but reports no new clinical results.

This review discusses the therapeutic potential of MSC-derived secretomes for treating degenerative and inflammatory diseases, reporting no new clinical results but highlighting their proposed mechanisms and advantages over direct MSC transplantation.

This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.

This review discusses the clinical manifestations and immune response to Rhodococcus equi infection in foals but reports no new clinical results.