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Interleukin (IL) 6 is an important mediator of inflammatory and immune responses, and IL6 gene polymorphisms are known to play a part in chronic inflammatory and autoimmune disorders.1,2 Increased IL6 plasma levels and enhanced IL6 mRNA expression have been found in patients with active Behçet’s disease.3,4 Therefore, this study aimed at investigating the associations between Behçet’s disease in Korean people and two functional IL6 gene polymorphisms—namely, a single nucleotide polymorphism at −174 (G → C) in the IL6 gene promoter (IL6prom) and a variable number of tandem repeat polymorphisms in the 3′ flanking region of the IL6 gene (IL6vntr): the terms IL6prom and IL6vntr were designated as in a previous study.5
METHODS AND RESULTS
The study group included 89 Korean patients with Behçet’s disease (36 men, 53 women; mean (SD) age 39.1 (8.5)), fulfilling the International Study Group criteria,6 and 123 controls (47 men, …
Footnotes
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H K Chang and W C Jang contributed equally to this manuscript.