TNFAIP3 and TNIP1 polymorphisms confer psoriasis risk in South Indian Tamils.

TNFAIP3 and TNIP1 polymorphisms confer psoriasis risk in South Indian Tamils. Br J Biomed Sci. 2015;72(4):168-73 Authors: Indhumathi S, Rajappa M, Chandrashekar L, Ananthanarayanan PH, Thappa DM, Negi VS Abstract Psoriasis is a chronic inflammatory skin disease with genetic and environmental factors having an important role in its aetiology. Several genome-wide association studies have reported the association of the genes of the TNFα signalling, tumour necrosis factor alpha-induced protein 3 (TNFAIP3), TNFAIP3-interacting protein 1 (TNIP1) with psoriasis in Western and Chinese populations. The aim of this study is to demonstrate whether the TNFAIP3 and TNIP1 genes contribute to the risk of psoriasis in the ethnically distinct South Indian population. 360 psoriatic subjects and 360 healthy controls were recruited in this case control study. TNFAIP3 (rs610604) and TNIP1 (rs17728338) polymorphisms were typed by using TaqMan 5 allele discrimination assay. The results demonstrated that the SNPs rs610604 and rs17728338 of the TNFAIP3 and TNIP1 genes, respectively, were associated with psoriasis in our population at both allelic and genotypic levels. Thus, our results suggest that TNFAIP3 (rs610604) and TNIP1 (rs17728338) polymorphisms confer increased risk of psoriasis and may play a vital role in its pathogenesis in our ethnic South Indian Tamils. PMID: 26738398 [PubMed - in process]
Source: British Journal of Biomedical Science - Category: Laboratory Medicine Tags: Br J Biomed Sci Source Type: research

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