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- W1259547403 abstract "BACKGROUND. Celiac disease (CD) is an autoimmune enteropathy that affects 1% of the general population. The association between CD and other autoimmune disorders is well established and increased prevalence of CD has been found in patients with type 1 diabetes (7%) and autoimmune thyroiditis (2%). Some reports on co-morbidity of CD and alopecia areata (AA), an autoimmune skin disorder that causes hair loss, have shown a variable hair re-growth upon institution of a gluten-free diet. No studies have addressed the association between CD and the different clinical subtypes of AA, which vary in duration and degree of hair loss. The aim of this study was to investigate the prevalence of CD across the phenotypic spectrum of AA using serological screening methods that have high sensitivity and specificity for CD diagnosis. METHODS. Sera obtained through the National Alopecia Areata Registry of the United States from 16 patients with transient AA (AAT), 24 with patchy persistent AA (AAP), 27 with total scalp hair loss (AT) and 32 with complete body hair loss (AU), were screened for CD using a commercial ELISA kit against combined antitissue transglutaminase and anti-deamidated gliadin peptide IgA and IgG antibodies (antitTG/DGP) from INOVA Diagnostics Inc. Titers >20 IU were considered positive and titers >30 IU were considered strongly positive and suggestive of CD. RESULTS. Of 99 samples (females=64, males=35), a total of 9 (9%) patients (all female) were positive for anti-tTG/ DGP antibodies (range 20.4 61.7 IU) and 4% (2 AT, 1 AU and 1 AAP) were strongly positive. By type of presentation, anti-tTG/DGP titers were elevated in 15% AT, 9% AU and 8% AAP patients but in none of AAT patients. CONCLUSIONS. These results demonstrate that AA patients have a higher prevalence of CD-associated antibodies (9%) than the general population (~3%). CD seropositivity is present in the more severe forms of AA, where hair loss is experienced for more than one year and/or results in total loss of hair from the scalp and/or body. Patients with the least severe form of the disease, transient hair loss lasting less than one year, do not appear to have an elevated risk for CD. Screening for CD is recommended in AA for early detection and institution of a gluten-free diet." @default.
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- W1259547403 date "2012-05-01" @default.
- W1259547403 modified "2023-09-23" @default.
- W1259547403 title "Sa1345 Increased Duodenal IL12A mRNA Expression in Celiac Disease Patients Might Lead to Increased IL-35 Production" @default.
- W1259547403 doi "https://doi.org/10.1016/s0016-5085(12)61052-x" @default.
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