66 citations
,
March 2018 in “British journal of dermatology/British journal of dermatology, Supplement” This article reviews the role of perifollicular regulatory T cells in maintaining hair follicle integrity in the context of hidradenitis suppurativa and calls attention to inflammatory mechanisms without reporting new clinical results.
62 citations
,
June 2015 in “The Journal of Dermatology” This study found that patients with alopecia areata had higher levels of Th17 cells and lower levels of regulatory T cells compared to healthy controls, suggesting an immune imbalance in these patients.
September 2023 in “Journal of the American Academy of Dermatology” Increased Treg cells and IL-10 may help quick recovery in acute diffuse and total alopecia.
1 citations
,
May 2025 in “The Journal of Dermatology” In this study, increased Treg cell activity indicated by IL-10 and IL-15 was identified as a feature of ADTA, distinguishing it from AA and potentially explaining ADTA's more favorable prognosis.
January 2023 in “Annals of dermatology/Annals of Dermatology” This study found that overexpression of miR-1246 in peripheral CD4+ T cells can reduce markers associated with inflammation and T cell activation in severe active alopecia areata, suggesting potential therapeutic benefits.
January 2014 in “Journal of Jilin University” This study found that Th22 cells and their cytokine IL-22 may play an important role in the pathogenesis of systemic lupus erythematosus and could serve as bioindicators for monitoring disease severity.
32 citations
,
January 2012 in “Clinical & Developmental Immunology” In this study, rheumatoid arthritis patients showed no changes in the number of circulating follicular helper T cells, but these cells had increased CD200 expression, implicating them in disease pathogenesis and suggesting CD200/CD200R as a potential therapeutic target.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” People with acne have more CD4+ immune cells in their skin than healthy people.
273 citations
,
July 2020 in “British Journal of Dermatology” This review discusses recent insights into the role of regulatory T cells in psoriasis and the impact of current treatments on their function, but reports no new research findings.
34 citations
,
June 2020 in “British journal of dermatology/British journal of dermatology, Supplement” In this study, researchers observed that follicular damage and stem cell loss in frontal fibrosing alopecia may be mediated by immune attacks at the bulge region, suggesting potential for JAK/STAT-targeting treatments to prevent progression.
1 citations
,
May 2023 in “The Journal of Immunology” 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.
May 2023 in “Frontiers in Immunology” This article discusses the role of regulatory T cells in alopecia areata, where their deficiency in hair follicles may lead to impaired local immunity and suggests potential therapies like CAR-T reg cells and low-dose IL-2 to alleviate autoimmunity and promote hair regeneration in affected individuals.
2 citations
,
April 2025 in “Journal of Investigative Dermatology” T cells affect skin cell genes in inflammatory diseases, and therapy can normalize these changes.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib improves cicatricial alopecia and reduces key immune markers.
This study found that chronic UVR exposure in mice and humans leads to a permanent loss of papillary fibroblasts in the upper dermis, which is associated with changes in the extracellular matrix.
April 2023 in “Journal of Investigative Dermatology” This study reports that CD200R expression is significantly reduced in a mouse model of scarring alopecia, suggesting a potential role for this pathway in immune regulation and hair follicle protection.
16 citations
,
April 2024 in “Proceedings of the National Academy of Sciences” This study found that selectively targeting HDAC4 and HDAC7 in mice can reduce Th17 cell-mediated intestinal inflammation, suggesting a potential treatment approach for Th17-related inflammatory diseases like ulcerative colitis.
24 citations
,
September 2011 in “Autoimmunity” This review discusses the role of natural killer cells in the pathogenesis of blistering diseases and proposes further research on their interaction with the skin, reporting no new clinical results.
January 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, the researchers found that deleting ceramide synthase 4 in the skin's epidermis alters stem cell differentiation, disrupting hair follicle structure and barrier function, potentially leading to immune responses similar to atopic dermatitis.
71 citations
,
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.
November 2025 in “The Journal of Immunology” In a murine model of alopecia areata, this study observed that the IL-2 fusion protein HCW9302 helped prevent disease development by expanding regulatory T cells and reducing disease-causing effector T cell infiltrates, suggesting potential for using IL-2 fusion proteins in alopecia areata treatment.
35 citations
,
January 1993 in “International Journal of Dermatology” In this study, most hair disorders among HIV-1 positive patients were associated with low helper T cell counts, with papulosquamous conditions like seborrheic dermatitis and psoriasis being the most common.
26 citations
,
July 1992 in “International Journal of Dermatology” In this study, treating refractory alopecia universalis with low-dose cyclosporine A and prednisolone improved symptoms, with no recurring alopecia six months post-treatment and enhancements in immunologic function.
1 citations
,
January 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that targeting IL-17 signaling in aged skin reduces inflammation and delays age-related traits, suggesting a potential strategy to prevent age-associated skin ailments.
December 2022 in “Research Square (Research Square)” In this study, type I interferon response-related genes activated by RIG-1 and IL-17 signaling pathways were significantly up-regulated in both hair follicles and skin tissues affected by chronic discoidal lupus erythematosus.
October 2022 in “Research Square (Research Square)” This study found that type I interferon response-related genes activated by RIG-1 and IL-17 pathways were significantly up-regulated in hair follicle and skin samples with chronic discoidal lupus erythematosus.
This review discusses the immune-mediated mechanism behind alopecia areata, highlighting similarities between the condition in humans and animals, and reports no new clinical results.
46 citations
,
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.
59 citations
,
June 2023 in “Nature Aging” This study observed that in aged mouse skin, there was an increase in IL-17-expressing T helper cells, γδ T cells, and innate lymphoid cells, and blocking IL-17 signaling reduced skin inflammation and delayed age-related changes, suggesting it as a potential target to mitigate skin aging.
7 citations
,
November 2007 in “Annales de Dermatologie et de Vénéréologie” A man was diagnosed with a rare form of lupus after showing unique skin symptoms that responded well to treatment.