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Javor J, Chmurova N, Parnicka Z, Ferencik S, Grosse-Wilde H, Buc M, Svecova D: TNF-alpha and IL-10 gene polymorphisms show a weak association with pemphigus vulgaris in the Slovak population. J Eur Acad Dermatol Venereol. 2010 Jan;24(1):65-8. Epub 2009 Apr 8.
BACKROUND: Pemphigus vulgaris is a rare chronic autoimmune disease of skin and mucous membranes, with several cytokines participating in its development. The role of their gene polymorphisms in susceptibility to the disease is, however, not fully understood. OBJECTIVE: The aim of our case-control study was to investigate whether some of 22 single nucleotide polymorphisms (SNPs) in 13 cytokine genes (IL-1alpha, IL-1beta, IL-1RI, IL-1Ra, IL-4Ralpha, IL-12, IFN-gamma, TGF-beta1, TNF-alpha, IL-2, IL-4, IL-6 and IL-10) are associated with pemphigus vulgaris in the Slovak population. METHODS: DNA samples were obtained from 34 pemphigus vulgaris patients and 140 healthy controls of Slovak origin. Cytokine gene SNPs were determined using the polymerase chain reaction with sequence-specific primers (PCR-SSP) method. Results We found a weak association between pemphigus vulgaris and polymorphic variants in TNF-alpha and IL-10 genes only, with haplotypes TNF-alpha-308G/-238G and IL-10 -1082A/-819C/-592C being significantly overrepresented in pemphigus vulgaris patients (TNF-alpha GG: 94.12% vs. 82.86%, P = 0.0216; IL-10 ACC: 44.12% vs. 30.00%, P = 0.0309). CONCLUSIONS: Our preliminary results suggest that certain TNF-alpha and IL-10 gene polymorphisms might contribute to genetic susceptibility to pemphigus vulgaris; however, their overall impact on disease development will be rather limited. |
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