Lack of association polymorphisms of the IL1RN, IL1A, and IL1B genes with knee osteoarthritis in Turkish patients

Sezgin, Melek; Erdal, M. Emin; Altıntaş, Zuhal Mert; Ankaralı, Handan Çamdeviren; Barlas, İ. Ömer; Türkmen, Ebru; Şahin, Günşah
April 2007
Clinical & Investigative Medicine;Apr2007, Vol. 30 Issue 2, pE86
Academic Journal
Purpose: To examine whether polymorphisms of the interleukin 1 receptor antagonist (IL1RN), interleukin 1 alpha (IL1A) and interleukin 1 beta (IL1B) genes are markers of genetic susceptibility to knee osteoarthritis in Turkish patients. Methods: One hundred and seven patients with knee osteoarthritis and 67 controls were studied. Three polymorphisms of IL1A, IL1B, and IL1RN genes were typed from genomic DNA. Allelic frequencies were compared between patients and control subjects. Results: No significant differences were observed in genotype and allele frequencies of the IL1RN VNTR, IL1A+4845, IL1B+3953 genes polymorphisms between patients and controls. Furthermore, we did not detect any association genotypes of the polymorphisms with the clinical, radiological, and laboratory profiles of patients. Conclusions: The present study suggest that the IL1RN VNTR, IL1A+4845, IL1B+3953 genes polymorphisms are not genetic markers of susceptibility to knee osteoarthritis in Turkish patients, and are unrelated to the clinical, radiological, and laboratory characteristics of knee osteoarthritis.


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