Results are not reported in this abstract, which notes that while Janus kinase inhibitors like baricitinib show therapeutic benefits for alopecia areata, the mechanisms and reliable predictors of response remain unclear.
58 citations
,
July 2018 in “Journal of Allergy and Clinical Immunology” Alopecia areata severity is linked to increased TH1 and TH2 activity.
1 citations
,
September 2025 in “Frontiers in Immunology” This study reviewed the expression of chemokines in patients with alopecia areata, finding elevated Th1 and Th2 chemokine levels, suggesting a complex immune profile that may require broad immunomodulatory strategies to address the disease's underlying immune dysregulation.
65 citations
,
December 2015 in “Experimental dermatology” This study found that both Th1 and Th2 immune responses, along with IL-23 and IL-32 cytokine pathways, are active in alopecia areata lesions, and corticosteroid injections significantly altered these immune markers.
64 citations
,
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.
48 citations
,
January 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified chemokine receptor ligands cxcl10 and cxcl11 as new hair-specific transcriptional targets of the Eda pathway, suggesting chemokine signaling plays a role in primary hair follicle patterning.
42 citations
,
December 2011 in “The journal of immunology/The Journal of immunology” In this study, transgenic mice with Rank expression in hair follicles showed excessive lymph node growth, which could be normalized by neutralizing the overproduced RANKL, underscoring its role in immune system regulation.
40 citations
,
December 2012 in “PLoS ONE” This study found that selective deletion of Ctip2 in epidermal keratinocytes in adult mice leads to atopic dermatitis-like inflammation and suggests Ctip2 plays a crucial role in skin barrier maintenance and inflammatory regulation.
37 citations
,
January 2022 in “Frontiers in Genetics” This study found that dermal sheath stem cell characteristics are lost with aging in humans, affecting skin rejuvenation and structure, and identified specific proteins like Activin A influencing keratinocyte and fibroblast activity.
22 citations
,
August 2009 in “Evidence-based Complementary and Alternative Medicine” This study found that a composition including Serenoa repens extract and anti-inflammatory agents effectively suppressed inflammation-related gene expression in a keratinocyte model, suggesting a potential dual strategy for treating androgenetic alopecia.
12 citations
,
November 2024 in “Journal of Ovarian Research” This study found that interleukin-1-alpha and oncostatin-M levels were positively associated with PCOS development, while interleukin-7, IL15RA, and CXCL11 were negatively associated, suggesting a connection between inflammatory factors and PCOS.
2 citations
,
April 2018 in “Journal of Investigative Dermatology” This study suggests that frontal fibrosing alopecia is a highly inflammatory disease involving TH1 and JAK-STAT pathways, without reduced hair keratins, highlighting JAK-STAT signaling as a potential therapeutic target.
June 2026 in “Immunity Inflammation and Disease” In this study, researchers observed that dandruff involves altered keratinocyte activity and a low-grade inflammatory response characterized by increased interleukin-17-producing T-cells and CCL17 levels, but without significant changes in immune cell populations or skin barrier lipids.
In this clinical trial, patients with lichen planopilaris treated with the oral TYK2 inhibitor deucravacitinib showed significant improvement in PGA, LPPAI, and Skindex-16 scores over 24 weeks, with transcriptomic analyses indicating decreased inflammatory and immune pathway activity post-treatment.
September 2025 in “Figshare” This study conducted a scoping review and meta-analysis revealing a complex chemokine profile in alopecia areata patients, with elevated Th1, Th2, and other immune pathway chemokines, suggesting broader immunomodulatory strategies may help address the disease's multifaceted immune dysregulation.
September 2025 in “Figshare” In this scoping review and meta-analysis, researchers found that patients with alopecia areata show a complex serum chemokine profile, predominantly involving Th1- and Th2-associated chemokines, suggesting that broader immunomodulatory strategies might address the diverse immune dysregulation observed in the disease.
September 2025 in “Figshare” In this scoping review and meta-analysis, researchers found that patients with alopecia areata exhibit complex chemokine profiles, with elevated levels of Th1, Th2, and other immune pathway-associated chemokines, suggesting the potential for broad immunomodulatory strategies to address the disease's immune dysregulation.
August 2025 in “Dermatology and Therapy” This study conducted a meta-analysis of gene expression data from alopecia areata patients, identifying 5109 differentially expressed genes and highlighting enriched pathways like JAK-STAT signaling, providing insights into the disease's pathogenesis and potential treatment targets.
September 2024 in “Archives of Medical Science” Alopecia areata is linked to immune system differences, with specific biomarkers like CXCL9 and CXCL10 being key for diagnosis and potential treatment targets.
July 2024 in “Journal of Investigative Dermatology” OR101 may effectively treat atopic dermatitis and similar skin conditions.
April 2024 in “Bioscience trends” This study found that patients with alopecia areata had significantly higher levels of circulating DNA for certain cytokines compared to healthy controls, suggesting that increased circulating DNA may be linked to hair follicle damage in these patients.
April 2023 in “Journal of Investigative Dermatology” In this study, researchers developed a mouse model of scarring alopecia and observed significant reductions in CD200R expression in affected skin, potentially linking this signaling pathway to immune attacks on hair follicles and suggesting new treatment targets for scarring hair loss.
October 2017 in “Journal of Investigative Dermatology” This article presents a diagnostic quiz based on clinical images and reports findings from the mentioned article but does not provide new clinical results.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that dysregulated microRNA expression in mice may be linked to aberrant gene activity that contributes to the development of alopecia areata.
April 2010 in “Cancer Research” This study found significant upregulation of IDO-1 and IDO-2 in human basal cell carcinomas, suggesting that IDO production may confer immune privilege characteristics to the tumors, potentially impacting their growth.
June 2005 in “Journal of Investigative Dermatology” A bull with a gene mutation was asymptomatic, synthetic retinoids cause hair loss, and new therapeutic targets were identified for skin diseases.
November 2025 in “animal” In this study, researchers analyzed 24 European Merino sheep populations to investigate genetic adaptations to climate, identifying 168 significant SNPs and related genes associated with temperature variation and environmental adaptation, focusing on traits like isothermality and pathways related to immune response and system development.
225 citations
,
April 2018 in “Journal of Investigative Dermatology” Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.
68 citations
,
November 2015 in “The Journal of Allergy and Clinical Immunology” In this study, three patients with extensive alopecia areata showed varying degrees of hair regrowth after 20 weeks of treatment with ustekinumab, a cytokine-targeting therapy.
36 citations
,
January 2021 in “Scientific Reports” This study identified key genes and signaling pathways involved in the growth phases of Pashmina goat hair follicles, highlighting the role of several gene families and transcription factors in fiber quality and growth regulation.