60 citations
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August 2005 in “Endocrinology” This study suggests that αMSH may play a regulatory role in human dermal papilla cells, potentially influencing immune and inflammatory responses in hair follicles, which could contribute to inflammatory alopecia.
October 2021 in “Journal of Investigative Dermatology” This study found that interleukin-12 signals play a role in hair follicle immune privilege collapse in ex vivo alopecia areata models, and a TYK2 inhibitor may help prevent or reverse this process.
December 2023 in “Journal of Volgograd State Medical University” This study reviewed current research on white, brown, and beige adipose tissue, highlighting their roles in metabolism, thermogenesis, tissue repair, and stem cell activity, and identified the study of adiponectins as important for advancing knowledge of metabolic syndrome and tissue regeneration mechanisms.
July 2025 in “Journal of Investigative Dermatology” This study found that autologous Foxp3+ γδTregs, when tested in human scalp hair follicle models and mouse xenotransplants, can both prevent and treat alopecia areata by reducing immune privilege collapse and lymphocytic infiltration, suggesting their potential as a novel cell-based therapy for the disease.
1 citations
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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.
August 2026 in “The Journal of Dermatology” In this review, the authors summarize recent findings on dermal white adipose tissue (dWAT), highlighting its crucial role in the hair follicle microenvironment by regulating inflammation and immune responses, thus influencing hair regeneration.
62 citations
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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.
17 citations
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December 1951 in “Experimental biology and medicine” In this study of immature male albino rats on a vitamin B12-deficient diet, vitamin B12 supplementation improved body, hair, and thymus growth more effectively than aureomycin when countering the negative effects of cortisone.
21 citations
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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.
14 citations
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February 2020 in “Scientific reports” This study found that telocytes in human scalp tissue were located around hair follicles and glands and may be involved in skin regeneration and homeostasis.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study indicates that a helminth-derived protein, TGF-β mimic, may accelerate wound healing and promote regenerative processes in skin tissue by interacting with TGF-β receptors.
286 citations
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June 2012 in “Nature Immunology” In this study, researchers found that mouse hair follicles recruit Langerhans cells by secreting chemokines, acting as key portals for these cells in both mice and humans.
29 citations
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July 2008 in “British Journal of Dermatology” This case report examines a patient with myasthenia gravis, invasive thymoma, and paraneoplastic pemphigus associated with alopecia areata, notably without the usual mucosal involvement.
February 2026 in “Journal of Cellular Physiology” This review discusses how TGF-β3 influences fate decisions of various stem cell types, highlighting its role in proliferation, differentiation, and cell death through classical and non-classical signalling pathways.
4 citations
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January 2023 in “Andrology” This review discusses the structure and function of the testes in male reproduction and development, noting the complex hormonal regulation within the hypothalamic-pituitary-gonadal axis but reports no new clinical results.
13 citations
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June 2018 in “Dermatopathology” This classification proposal introduces a novel system for categorizing cutaneous adnexal cysts based on their origin in the folliculosebaceous unit and sweat glands, aiming to simplify and enhance understanding of these skin lesions.
May 2020 in “JAAD case reports” This source describes a previous case report that combined anthralin and calcipotriene to treat alopecia areata, showing promising results, but highlights that further research is needed to understand the mechanisms and potential benefits of this combination therapy.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” This study investigates whether lymphocytes from mice with secondary alopecia areata can effectively induce the disease in a C3H/HeH mouse model, similar to lymphocytes from mice with spontaneous disease.
76 citations
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June 2018 in “EMBO Reports” This study demonstrates that YAP and TAZ are essential for initiating basal and squamous cell carcinomas in mice, and suggests targeting these pathways could be beneficial for treating skin cancers.
28 citations
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April 2024 in “Immunity” In this study, researchers found that hair follicle stem cells activate an immune-modulatory program during wound healing, promoting Treg cell expansion and aiding skin repair, while deleting certain immune components impaired healing and increased inflammation in a mouse model.
June 2026 in “Research Square” This study identified a group of dermal fibroblasts near hair follicle stem cells in mice that facilitate hair regeneration by creating a biomechanically compliant extracellular matrix, enhancing stem cell activation and promoting a positive feedback loop for tissue regeneration.
68 citations
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December 1983 in “British Journal of Dermatology” This study found HLA and beta 2-microglobulin antigens in various skin structures, with specific localization patterns in keratinocytes and hair follicle components, but not in eccrine or apocrine glands.
30 citations
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March 2015 in “PLoS ONE” This study found that thyroxine modulates peripheral molecular clock gene expression in human hair follicles, which may have implications for treating clock-related diseases in patients with thyroid dysfunction.
November 2024 in “Journal of Investigative Dermatology” γδT cells can protect hair follicles from alopecia areata and promote hair regrowth.
July 2023 in “Nature Immunology” CD8+ virtual memory T cells may cause hair loss in alopecia areata.
2 citations
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July 2012 in “InTech eBooks” This article reviews the influence of thyroid hormone on skin and hair health, emphasizing its role in epidermal homeostasis and hair growth, but reports no new experimental results.
December 2023 in “Journal of Investigative Dermatology” A specific type of immune cell plays a key role in causing alopecia areata and could be a target for treatment.
32 citations
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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.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” This study suggests that TGF-alpha may function in an autocrine or juxtacrine manner rather than promoting cell proliferation during hair growth cycles in ferrets and sheep.
November 2025 in “JOURNAL OF EXPERIMENTAL ZOOLOGY INDIA” This study observed that thymol from Origanum marjoram essential oil significantly promoted hair regrowth and reduced inflammation in cyclophosphamide-induced alopecia in rabbits, with effects that were comparable to or exceeded those of betamethasone, highlighting its potential as a safer treatment alternative.