Studysummary This study found that expressions of TLR-3, TLR-7, TLR-8, and TLR-9 were significantly higher in alopecia areata patients compared to healthy controls, indicating a potential role in disease autoimmunity. Our plain-language summary of this paper — not a Tressless recommendation.
This study investigated the expression of Toll-like receptors (TLR-3, TLR-7, TLR-8, and TLR-9) in 40 alopecia areata (AA) patients compared to 10 healthy controls. Using real-time quantitative PCR, it was found that the expression levels of these TLRs were significantly higher in AA patients, with average relative expressions of 54.40, 111.69, 34.45, and 112.51, respectively. The expression was slightly higher in male patients and peaked in the 21-30 age group. The findings suggest that TLRs play a crucial role in the autoimmunity of AA, potentially guiding new therapeutic strategies. Further research is needed to explore targeted TLR expression for developing new treatments for AA.
134 citations
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July 2020 in “Experimental dermatology” This review discusses immune privilege in anagen hair follicles and its collapse in alopecia areata, emphasizing the importance of restoring this function for effective management and disease relapse prevention.
148 citations
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December 2018 in “Journal of autoimmunity” This review discusses genetic and environmental factors contributing to autoimmunity in alopecia areata and reports no new clinical findings, emphasizing the need for further study on its aetiology and pathophysiology.
12 citations
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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.
162 citations
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October 2014 in “Autoimmunity reviews” This review discusses alopecia areata, highlighting its autoimmune aspects, environmental triggers, and current treatment options, but reports no new clinical results; recent studies suggest JAK pathway intervention may offer therapeutic potential.
701 citations
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August 2014 in “Nature medicine” This study found that JAK inhibitors promote hair regrowth in both mice and human alopecia areata cases by blocking key immune pathways involved in disease development.
18 citations
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January 2014 in “Postępy Dermatologii i Alergologii” This paper reviews current treatments for alopecia areata and emphasizes the importance of tailoring therapy to each patient's specific condition and needs without reporting new clinical results.
