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CTLA4 +49AG (rs231775) and CT60 (rs3087243) gene variants are not associated with alopecia areata in a Mexican population from Monterrey Mexico.


ABSTRACT: BACKGROUND:Alopecia areata is an autoimmune disease that produces non-scarring hair loss around the body. Gene variants of the cytotoxic T-lymphocyte antigen 4 (CTLA4) gene, a negative regulator of T-cell response, have been associated with a predisposition to autoimmune diseases in different populations; however, the involvement of these genetic variants in the development of AA is controversial. OBJECTIVE:The present study evaluated the potential association of two CTLA4 gene variants with alopecia areata in a Mexican population. METHODS:We genotyped +49AG (rs231775) and CT60 (rs3087243) variants in 50 AA patients and 100 healthy control participants through PCR-RFLP. RESULTS:No statistical difference was observed for either of the gene variants regarding allele or genotype frequencies between AA patients and the controls when the parameters of family/personal history of autoimmune diseases or gender were considered (p>0.05). STUDY LIMITATIONS:Small sample size of patients and the data were obtained from Northeast Mexico population. CONCLUSION:The genetic variants rs231775 and rs3087243 of the CTLA4 gene are not a risk factor for the development of alopecia areata in the analyzed Mexican population.

SUBMITTER: Salinas-Santander MA 

PROVIDER: S-EPMC7253907 | BioStudies | 2020-01-01

REPOSITORIES: biostudies

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