TLDR Alopecia areata is linked to immune-related genes, suggesting JAK inhibitors as a potential treatment.
The study on alopecia areata (AA) used genome-wide association studies (GWAS) to identify 14 genomic loci linked to the disease, involving 3,253 cases and 7,543 controls. It found shared genetic associations with other autoimmune diseases, indicating potential for drug repositioning, especially with Janus kinase (JAK) inhibitors. Analyses showed that many implicated genes were involved in immune processes, such as antigen presentation and T-cell activation, highlighting the JAK-STAT signaling and costimulatory pathways. These findings supported ongoing clinical trials with JAK inhibitors and abatacept, and suggested potential for biomarker panels and precision medicine in AA.
701 citations
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August 2014 in “Nature medicine” Alopecia areata can be reversed by JAK inhibitors, promoting hair regrowth.
717 citations
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June 2010 in “Nature” Alopecia areata involves both innate and adaptive immunity, with specific genes linked to the disease.
2 citations
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February 2009 in “Journal of Evidence-Based Medicine” No treatment showed significant long-term hair growth benefits for alopecia areata.
164 citations
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April 2008 in “Cochrane library” Current treatments for alopecia show no significant long-term benefits.
December 2025 in “ADMET & DMPK” Personalized treatments for hair loss focus on specific genetic and biological pathways.
63 citations
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July 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors can effectively reverse hair loss in people with alopecia areata.
April 2023 in “Medizinische Genetik” New research has found 14 genes linked to the risk of developing alopecia areata, improving understanding and treatment options.
701 citations
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August 2014 in “Nature medicine” Alopecia areata can be reversed by JAK inhibitors, promoting hair regrowth.
11 citations
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January 2022 in “Journal der Deutschen Dermatologischen Gesellschaft” Alopecia areata is a chronic condition causing hair loss, with new treatments targeting the immune system showing promise.