June 2025 in “American Journal of Dermatopathology” This case report describes a rare instance of sarcoidal granulomatous alopecia areata in a 42-year-old man, with histopathological findings suggesting inflammation but ruling out causes like tuberculosis and syphilis, resulting in treatment with tofacitinib.
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.
7 citations
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January 2015 in “Current problems in dermatology” This chapter reviews common drug-related and systemic disorder-induced alopecias, focusing on their epidemiology, causes, symptoms, diagnosis, and treatment, but reports no new findings.
13 citations
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August 2017 in “Journal of Cellular Physiology” In this study, researchers found that in mouse models of alopecia areata, the expression of immune-regulating molecules PD-L1 and PD-L2 in dermal fibroblasts is increased by activated T cells, potentially indicating a lack of negative immune control in affected skin.
12 citations
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September 2022 in “Frontiers in Genetics” This study identified seven genes that may serve as biomarkers for diagnosing skin cutaneous melanoma by analyzing the relationship between UV exposure, ferroptosis, and the cancer's pathology.
1 citations
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June 2017 in “Nature Reviews Immunology” Immune cells called Treg cells are essential for hair growth and regeneration.
130 citations
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November 2017 in “Frontiers in Immunology” This review explores recent findings on regulatory T cells, focusing on their unique functions in non-lymphoid tissues and new mechanisms of action, but presents no original clinical results.
November 2025 in “Frontiers in Immunology” This review discusses the role of immune cells in the pathogenesis of alopecia areata and highlights emerging immunomodulatory strategies and novel therapeutic targets aimed at offering more effective and durable treatments for this autoimmune hair loss disorder.
57 citations
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August 2023 in “American Journal of Clinical Dermatology” JAK inhibitors and platelet-rich plasma show promise for treating alopecia areata.
28 citations
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January 2016 in “Vitamins and hormones” This source reports that thymosin beta 4 accelerated dermal wound repair in phase 2 clinical trials for pressure ulcers, stasis ulcers, and epidermolysis bullosa wounds and was well tolerated.
2 citations
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January 2020 in “Enlighten: Theses (The University of Glasgow)” This study found that alopecia areata is associated with distinct systemic and tissue immune signatures, with macrophages implicated as contributors to hair loss, suggesting potential therapeutic targeting of macrophage activity.
2 citations
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April 2024 in “Advanced Materials” This study tested a hydrogel microneedle patch delivering T reg attractants in mice with alopecia, finding it boosted regulatory T cell numbers at the site, leading to hair regrowth without causing peripheral immunosuppression, suggesting a potential new approach for autoimmune skin disease treatment.
This study found that in rats, combined treatment with finasteride and doxazosin altered epithelial cell behavior and matrix metalloproteinases activity, suggesting effects possibly mediated by TGF-β1 and androgen pathways.
6 citations
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May 2013 in “The Journal of Dermatology” This case study suggests that autoimmunity involving cytotoxic CD8+ T cells may link alopecia areata and human T-cell lymphotropic virus-1-associated myelopathy in adult T-cell leukemia/lymphoma patients.
May 2023 in “The Journal of Immunology” In this study, treatment with IL-2C to expand Tregs effectively halted hair loss progression in a murine model of alopecia areata.
June 2026 in “Journal of Investigative Dermatology” This study found that certain proteins linked to immune suppression and melanogenesis are associated with repigmentation in vitiligo patients undergoing standard treatment, suggesting these proteins and their pathways play roles distinct from merely reversing skin lesions.
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.
December 2023 in “International journal of research in dermatology” This study found that using 'moha: 5-in-1' hair oil for 8 weeks significantly reduced hair fall, increased hair growth rate and thickness, and decreased scalp dandruff among healthy adults with alopecia, with no adverse effects reported.
16 citations
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August 2003 in “Journal of The American Academy of Dermatology” This preliminary study observed that topical nitrogen mustard was beneficial for only 1 out of 6 patients with extensive alopecia areata, with 4 patients not completing the trial.
11 citations
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October 2002 in “Pharmacology Biochemistry and Behavior” This study found that formalin-induced pain in rats nearly eliminates testosterone in the brain and spinal cord by likely increasing 5α-reductase activity, but normalizes serum levels after 24 hours.
October 2023 in “Regular and Young Investigator Award Abstracts” This study found that Baricitinib significantly reduced hair loss and immune response in a mouse model of alopecia areata.
19 citations
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February 2016 in “Journal of The American Academy of Dermatology” This study found that the presence of CD3(+) T-cells within empty follicular fibrous tracts is a reliable indicator for diagnosing diffuse alopecia areata instead of pattern hair loss.
28 citations
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September 2014 in “Journal of Veterinary Internal Medicine” This study found that the novel drug VDC-1101 showed a 45% objective response rate in treating canine cutaneous T-cell lymphoma, offering a potential treatment option for this challenging disease.
May 2023 in “The Journal of Immunology” In this study, researchers found that BST2 expression is significantly upregulated in skin sections of mice with alopecia areata, implicating BST2's role in the disease pathogenesis through the action of epidermal γδ T cells and macrophages.
34 citations
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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.
January 2026 in “Forum Dermatologicum” This study observed that 2.5% of patients with mycosis fungoides or Szary syndrome experienced alopecia, predominantly within skin lesions, with scalp metastases from other cancers also potentially causing hair loss, highlighting the diagnostic value of trichoscopy in differentiating alopecia types.
64 citations
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July 2016 in “Journal of Immunology” In this study, blocking the CXCR3 receptor in mice prevented the development of alopecia areata by inhibiting the accumulation of specific T cells in the skin, suggesting a potential therapeutic approach for humans.
11 citations
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May 2021 in “Journal of Medical Virology” This review discusses sex differences in immune response to respiratory viral infections, including SARS-CoV-2, and highlights that hormones like estrogen may provide females with better protection, but it reports no new results.
7 citations
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March 2011 in “Hormone and Metabolic Research” This study found that in PCOS patients, variations in the lipin 1 gene, particularly the intron 1 SNP, may protect against insulin resistance and glucose intolerance, highlighting a potential genetic factor in the disorder's cardiometabolic complications.