PMID: 11921766Mar 30, 2002Paper

Prevalence of interleukin 1 periodontal genotype in a Hispanic dental population

Quintessence International
Raul G CaffesseLuis F Mota

Abstract

A genetic polymorphism in the interleukin 1 gene has been implicated as a factor in determining the severity of adult periodontitis. Among white Europeans, the prevalence of genotype-positive subjects has been reported to be around 30%. The purpose of this study was to assess the prevalence of genotype-positive individuals in a Hispanic population. Fifty Mexicans were evaluated for their interleukin 1 genotype with a commercially available test. Subjects were divided into groups, as determined by their genotype (positive or negative), and were then analyzed according to age, sex, and smoking habits. Thirteen of 50 subjects were genotype positive, a prevalence of 26%. The most common polymorphisms found in genotype-positive subjects were allele 1.2 for the IL 1A gene and allele 1.2 for the IL 1B gene. When only subjects older than 30 years were evaluated, the prevalence of genotype-positive individuals was 31%. The prevalence of genotype-positive subjects in a Hispanic population was 26%, similar to the prevalence found among ethnic populations from or descended from Northern, Central, and Southern Europe.

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