53 citations
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August 2019 in “American journal of human genetics” This study found that FOXN1 haploinsufficiency is a significant genetic factor causing T cell lymphopenia at birth, linked to reduced thymic function in both humans and mice.
January 2010 in “Journal of Animal Science” This study demonstrated that transcutaneous vaccination via cyanoacrylate skin surface stripping effectively induced both CD4 and CD8 T cell responses in humans, offering a promising alternative to intramuscular injection.
46 citations
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November 2022 in “The Journal of Dermatology” This review discusses recent findings on the mechanisms driving bullous pemphigoid, highlighting epitope spreading and the roles of regulatory T cells, and reports no new experimental results.
178 citations
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June 1994 in “Journal of Investigative Dermatology” This study found that a non-scarring alopecia in C3H/HeJ mice resembles human alopecia areata and may serve as a valuable model for studying specific subtypes of the human condition.
This study found that UV radiation-induced fibroblast depletion in the skin is primarily due to a deregulated inflammatory response, with T cells aiding fibroblast survival under stress.
21 citations
,
December 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” This study demonstrates that T-cell responses in extensive alopecia areata scalp may be aberrantly regulated, with reduced cytokine production but activated phenotype, providing insight into the disease's immune mechanisms.
August 2024 in “International Journal of Molecular Sciences” The study investigated immune cell patterns around the hair follicle infundibulum in androgenetic alopecia, revealing significant differences in immune signatures between patients with AGA and control donors, specifically noting an enrichment of CD4 cells in the patient group.
March 2026 in “Indian Dermatology Online Journal” This report details a case study where a 40-year-old woman experienced allergic contact dermatitis and angioedema-like symptoms after using PPD-containing hair dye. Patch testing confirmed a positive reaction to PPD, highlighting the substance's potential to cause both T-cell and IgE-mediated hypersensitivity reactions.
21 citations
,
April 2019 in “Journal of cutaneous pathology” This study found a significant reduction in Treg cell frequency in alopecia areata compared to other autoimmune and non-autoimmune skin diseases using immunohistochemical staining.
1 citations
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October 2022 in “International Journal of Molecular Sciences” This study suggests that allogenic human mesenchymal stem cell treatments have potential therapeutic effects by inducing immune tolerance and anti-inflammatory effects in severe alopecia areata patients.
71 citations
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May 2019 in “Rheumatology” This study observed that PD-1+CXCR5-CD4+T peripheral helper cells are significantly elevated in patients with systemic lupus erythematosus and are correlated with disease activity indicators, suggesting their potential role in lupus pathogenesis.
6 citations
,
January 2023 in “International journal of molecular sciences” This review discusses the bidirectional interactions between human mast cells and CD8 T cells in the skin, particularly in the context of disorders like psoriasis, atopic dermatitis, and vitiligo, and reports no new findings.
June 2024 in “Research Square (Research Square)” This study demonstrated that in mice, the absence of Jagged-1 expression in skin-resident regulatory T cells significantly delays wound healing by reducing the accumulation of neutrophils, highlighting the role of Jagged-1 in coordinating immune cell recruitment during injury.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that orally administering the CCR5 inhibitor Maraviroc improved hair loss in 4 out of 5 mice with alopecia areata and also reduced the development of the condition, evidenced by decreased CCR5+ T-cell infiltration in treated mice.
18 citations
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May 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” This study observed significant differences in immune cell infiltration and gene expression across different skin sites, with the back displaying higher tolerance-promoting immune mechanisms, which may enhance epicutaneous immunotherapy outcomes.
9 citations
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February 2002 in “International Journal of Dermatology” This case study reports that a combination of PUVA therapy and oral methyl prednisolone initially improved symptoms of a woman's cutaneous T-cell lymphoma but required ongoing treatment due to recurrence.
3 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Enhancing regulatory T cells may help treat autoimmune diseases like alopecia areata.
12 citations
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June 2005 in “Journal of the European Academy of Dermatology and Venereology” This case report describes an instance of alopecia and severe seborrhoeic dermatitis potentially linked to the immune response from starting combination antiretroviral therapy for acute retroviral syndrome.
60 citations
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September 2015 in “Expert Review of Clinical Immunology” 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.
11 citations
,
March 2014 in “Journal of Investigative Dermatology” In this study, basal cell carcinoma developed in Ptch-deficient mice only after chemical treatment, not skin wounding, suggesting a second unknown event is necessary for tumor formation.
3 citations
,
February 2023 in “Frontiers in Immunology” In this study, researchers reported that a newly developed interferon-γ release assay for cell-mediated immunity to SARS-CoV-2 nucleocapsid peptides demonstrated high sensitivity and specificity, making it a robust tool for routine diagnostic tests and potentially useful in predicting clinical outcomes after pathogen re-exposure.
November 2020 in “International journal of contemporary pediatrics” This study reports two siblings with severe combined immunodeficiency due to a mutation in the FOXN1 gene, characterized by T-cell immunodeficiency, alopecia totalis, and nail dystrophy.
7 citations
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May 2020 in “Trends in molecular medicine” This study explored the immune environment of the hair follicle's bulge region and suggested that its unique signaling may prevent melanoma formation by lacking necessary proinflammatory signals for full oncogenic transformation, indicating potential strategies for melanoma prevention by replicating this immune-privileged environment.
January 2024 in “Inflammation and regeneration” This study identified Th22 cells as key effectors in hair regeneration driven by thymosin beta 15, suggesting they could be potential targets for hair regrowth therapies.
July 2020 in “Stem Cells Translational Medicine” In this study, Caplan et al. found that treatment with human Tregs expanded from umbilical cord blood may modulate immune responses and improve outcomes in a rodent model of traumatic brain injury.
143 citations
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January 2004 in “Journal of Investigative Dermatology Symposium Proceedings” This review discusses the autoimmune nature of alopecia areata, potential therapeutic targets, and highlights the need for further studies on immunomodulatory treatments and genetic factors, but it reports no new clinical results.
1 citations
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December 2022 in “Frontiers in Immunology” This review summarizes recent findings about the multi-site differentiation of tissue regulatory T cells, emphasizing the pivotal role of epigenetic remodeling, but it reports no new clinical results.
This article hypothesizes that thymoma with aplastic anemia may result from abnormal autoimmune CD8+ T lymphocytes produced by the thymoma, potentially leading to other cytotoxic T-cell-mediated autoimmune diseases.
286 citations
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August 2007 in “Journal of Clinical Investigation” This review examines the interplay of genetics and neuroimmunology in alopecia areata, highlighting its potential to inform broader autoimmunity research, but reports no new findings.
3 citations
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May 2018 in “Journal of Cosmetic Dermatology” This study reported that the most reliable way to differentiate alopecia areata from androgenic alopecia is by detecting intrafollicular CD3 and CD8 cell density, with CD3 being the most specific and sensitive marker.