May 2026 in “Iranian journal of pharmaceutical research” This study found that HAMA hydrogels promote faster healing of skin wounds in mice by enhancing the accumulation of anti-inflammatory macrophages and increasing type III collagen in the local wound environment.
April 2018 in “Journal of Investigative Dermatology” In this study, researchers observed that alopecia areata patients showed higher Th1 and Th2 responses against specific melanogenesis-related protein epitopes, suggesting a role in disease activity and potential targets for diagnostics and therapies.
September 2025 in “Radboud University Press eBooks” This study investigated AHR signaling's role in skin biology and reported that novel AHR ligands may help restore keratinocyte function and reduce inflammation in skin diseases, suggesting their potential as therapeutic agents.
December 2025 in “Cureus” This study suggests that elevated levels of IL-17A and IL-23 in alopecia areata may play roles in disease severity and activity, providing insights into potential therapeutic targets.
6 citations
,
May 2023 in “Dermatology Research and Practice” This study observed that patients with alopecia areata had significantly higher serum levels of IL-15 and TNF-α compared to controls, with TNF-α levels particularly elevated in individuals with alopecia totalis, though these biomarkers were not influenced by disease duration or activity.
28 citations
,
January 2012 in “Biological & pharmaceutical bulletin” This study found that the protein hairless acts as both a corepressor and coactivator of the vitamin D receptor, influencing gene transcription in a ligand-selective manner.
5 citations
,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” In this study, plasma levels of MSH and cortisol in patients with alopecia areata did not show significant changes compared to healthy controls.
14 citations
,
January 2020 in “Advances in Dermatology and Allergology” This study found that elevated serum levels of IL-15 in active alopecia areata patients are correlated with disease severity, suggesting it plays a role in disease pathogenesis.
39 citations
,
August 2022 in “Cell Death and Disease” This study found that a dopamine-methacrylated hyaluronic acid hydrogel enhances the efficacy of adipose-derived stem cells in promoting skin regeneration, potentially involving the Notch signaling pathway.
October 2020 in “The American journal of gastroenterology” This case study reports a previously undescribed cause of drug-induced autoimmune hepatitis triggered by para-aminobenzoic acid (PABA), emphasizing the need for caution with this supplement.
6 citations
,
April 2023 in “Current Issues in Molecular Biology” This study identified three variants in the HR gene among Mexican patients with alopecia areata, with one novel variant potentially serving as a risk factor for the disease.
70 citations
,
January 2000 in “Hormone Research in Paediatrics” This article reviews the characteristics and classification of SAHA syndrome and its relationship with other conditions, without presenting new clinical findings.
January 2019 in “Springer eBooks” Modified HDL can better deliver drugs and genes, potentially improving treatments and reducing side effects.
4 citations
,
October 1988 in “Clinics in Dermatology” This paper reviews current knowledge about androgens' role in androgenic alopecia and female hirsutism but presents no new clinical findings.
January 2019 in “Egyptian Journal of Dermatology and Venereology /Egyptian Journal of Dermatology and Venerology” This study found that patients with alopecia areata had significantly lower serum 25(OH)D levels, which may be associated with increased disease severity.
18 citations
,
October 2009 in “Endocrinology” This study demonstrated that both HR isoforms are expressed in keratinocytes, but HRDelta1072-1126 lacks corepressor activity and may act as a coactivator by inhibiting HDAC recruitment to the VDR transcriptional complex.
April 2018 in “Journal of Investigative Dermatology” This study found that DC-HIL+ myeloid derived suppressor cells are increased in the blood and skin of patients with cutaneous lupus erythematosus and show immunosuppressive properties.
2 citations
,
October 1990 in “PubMed” This study suggests that autoimmune dysregulation involving HLA-DR+ T and NK cell subsets may contribute to severe patchy alopecia areata and alopecia universalis, with normalization seen after betamethasone treatment.
April 2023 in “Journal of Investigative Dermatology” Trichohyalin in hair can trigger immune attacks in alopecia areata.
66 citations
,
October 1987 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study found that serum 3 alpha-diol G levels in women with idiopathic hirsutism correlated well with their clinical response to treatment, suggesting its usefulness in evaluating treatment outcomes.
12 citations
,
March 2016 in “BBA clinical” This study found that intracellular Toll-like receptors were significantly up-regulated in peripheral blood mononuclear cells of alopecia areata patients, suggesting a potential role in inflammatory signaling and pathogenesis.
354 citations
,
August 1991 in “Molecular Endocrinology” This study found that distinct isoenzymes of 3 beta-hydroxysteroid dehydrogenase are expressed in human adrenals and gonads compared to the placenta and skin.
April 2023 in “The Egyptian Journal of Hospital Medicine” This case control study investigated serum IL-17A levels in alopecia areata patients compared to healthy controls to explore its potential role in the disease's pathogenesis.
2 citations
,
September 2020 in “Journal of Education Health and Sport” This review examines the role of IL-15 in alopecia areata treatment but reports no clinical results, as there are currently insufficient studies to determine its therapeutic potential.
68 citations
,
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.
April 2023 in “Journal of Investigative Dermatology” This study found that in biopsied skin samples of alopecia areata, a lower anagen/telogen ratio was associated with increased T cell infiltration, and enhancing the PD-1/PD-L1 axis may inhibit CD8+T cell infiltration and improve the condition.
In this study, PDLLA treatment in middle-aged mice was observed to enhance hair growth by increasing macrophage M2 polarization and hair follicle stem cell proliferation, potentially rejuvenating the skin's microenvironment and offering a novel approach for age-related hair loss.
12 citations
,
January 2015 in “Indian Journal of Dermatology, Venereology and Leprology” This case report describes a 67-year-old woman with frontal fibrosing alopecia and her daughter with lichen planopilaris, noting identical HLA D types which suggest a phenotypical link between these conditions.
5 citations
,
August 2021 in “Frontiers in Cell and Developmental Biology” This study found that DHEA along with osteogenic induction medium significantly promotes the osteogenic differentiation and proliferation of human bone marrow mesenchymal stem cells from older individuals.
April 2021 in “Journal of Investigative Dermatology” This study found that CD1a-restricted CD4+ T cells responsive to lysyl-phosphatidylglycerol were more frequent in the blood of atopic dermatitis patients, suggesting a potential role in the disease's Th2-mediated pathology.