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Genet Mol Res ; 9(1): 58-68, 2010 Jan 12.
Article in English | MEDLINE | ID: mdl-20082271

ABSTRACT

Sarcoidosis is a chronic inflammatory disease, characterized by granulomatous inflammation, prominently involving the respiratory system. The etiology of this disease has not yet been elucidated and the contribution of genetic is not yet completely understood. We searched for novel candidate genes, utilizing a system biology approach, based on data from published transcriptional, proteomic and linkage studies of sarcoidosis. The search revealed several new potential candidate genes involved in the pathogenesis of inflammatory lung diseases: 25-(OH)-vitamin D(3)-1alpha-hydroxylase (CYP27B1), endothelin-1 (EDN1) and glutathione S-transferase Pi (GSTP1). Variants of selected polymorphisms: -1260/ C>A in CYP27B1, Lys198Asn in EDN1, and Ile105Val in GSTP1, were examined to determine if they confer susceptibility to sarcoidosis, based on an analysis of 180 Slovenian patients in comparison with 283 healthy controls. Polymerase chain reactions using allele-specific oligonucleotides were performed. This disease was not significantly associated with genotypes CC at -1260/ C>A polymorphism in CYP27B1 (P = 0.68, odds ratio (OR) = 1.10, 95% confidence interval (CI) = 0.75-1.61), GG genotype at Lys198Asn polymorphism in EDN1 (P = 1.00, OR = 0.97, 95%CI = 0.65-1.44) and AA genotypes at Ile105Val polymorphism in GSTP1 (P = 0.53, OR = 0.87, 95%CI = 0.60-1.27). There was no association of polymorphisms in any of the genes with sarcoidosis.


Subject(s)
Genetic Predisposition to Disease , Immunity/genetics , Polymorphism, Genetic , Sarcoidosis/genetics , 25-Hydroxyvitamin D3 1-alpha-Hydroxylase/genetics , Adult , Endothelin-1/genetics , Female , Glutathione S-Transferase pi/genetics , Humans , Male , Middle Aged , Sarcoidosis/immunology , Slovenia
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