469K/E polymorphism of the ICAM-1 gene and the elderly with coronary heart disease
Pei-e Wen
Abstract
Pei-e Wen
Abstract
Objective To observe the relationship between intercellular adhesion molecule -1 (ICAM-1) gene 469K/E polymorphism and CHD in the elderly.Methods 122 controls and 117 patients with CHD were cnrolled.All patients and controls were genotyped by polymerase chain reaction and allele-specific oligonucleotide techniques (nested PCR) for the ICAM-1 polymorphism.Results Genotype distribution was in accordance with Hardy-Weinberg equilibrium. The frequency of (KK+KE) genotype was much higher than that of EE in CHD, which had significant difference with the control (P=0.011). By means of binary logistic regression analysis, it was found that K genotype and smoking enhanced the risk of CHD, and that there was a synergistic action between K genotype and smoking which can influence the risk of CHD.Conclusions ICAM-1 gene 469K/E polymorphism has a relationship with CHD in the elderly, and K genotype may be one of the genetic factors influencing the risk of CHD.
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Objective To observe the relationship between intercellular adhesion molecule -1 (ICAM-1) gene 469K/E polymorphism and CHD in the elderly.Methods 122 controls and 117 patients with CHD were cnrolled.All patients and controls were genotyped by polymerase chain reaction and allele-specific oligonucleotide techniques (nested PCR) for the ICAM-1 polymorphism.Results Genotype distribution was in accordance with Hardy-Weinberg equilibrium. The frequency of (KK+KE) genotype was much higher than that of EE in CHD, which had significant difference with the control (P=0.011). By means of binary logistic regression analysis, it was found that K genotype and smoking enhanced the risk of CHD, and that there was a synergistic action between K genotype and smoking which can influence the risk of CHD.Conclusions ICAM-1 gene 469K/E polymorphism has a relationship with CHD in the elderly, and K genotype may be one of the genetic factors influencing the risk of CHD.
Key concepts: Genotype, Medicine, Allele, Coronary heart disease, Internal medicine, Logistic regression, Polymorphism (computer science), Gene polymorphism