Purpose:An insertion/deletion(I/D)polymorphism of the gene for angiotensin-converting enzyme(ACE)is associated with higher ACE plasma levels and activity.This enzyme is known to play an important role in blood pressur...Purpose:An insertion/deletion(I/D)polymorphism of the gene for angiotensin-converting enzyme(ACE)is associated with higher ACE plasma levels and activity.This enzyme is known to play an important role in blood pressure regulation and the ACE I/D gene polymorphism has been suggested as a risk factor for atherosclerotic vascular diseases.The purpose of the present study was to investigate a hypothesized association between the ACE I/D polymorphism and retinal artery occlusion(RAO).Methods:A total of 159 patients with RAO and 304 control subjects were enrolled in the present retrospective case-control study.ACE I/D genotypes were determined by polymerase chain reaction.Results:Allelic frequencies and genotype distribution of the ACE I/D polymorphism did not significantly differ between patients and control subjects(ACE DD 25.8% versus 28.0% ;p=0.36).A logistic regression analysis predicted the presence of RAO by arterial hypertension and current smoking status,but not by ACE I/D genotypes.Conclusion:Our data gest that the ACE I/D polymorphism is not a major risk factor for RAO.展开更多
文摘Purpose:An insertion/deletion(I/D)polymorphism of the gene for angiotensin-converting enzyme(ACE)is associated with higher ACE plasma levels and activity.This enzyme is known to play an important role in blood pressure regulation and the ACE I/D gene polymorphism has been suggested as a risk factor for atherosclerotic vascular diseases.The purpose of the present study was to investigate a hypothesized association between the ACE I/D polymorphism and retinal artery occlusion(RAO).Methods:A total of 159 patients with RAO and 304 control subjects were enrolled in the present retrospective case-control study.ACE I/D genotypes were determined by polymerase chain reaction.Results:Allelic frequencies and genotype distribution of the ACE I/D polymorphism did not significantly differ between patients and control subjects(ACE DD 25.8% versus 28.0% ;p=0.36).A logistic regression analysis predicted the presence of RAO by arterial hypertension and current smoking status,but not by ACE I/D genotypes.Conclusion:Our data gest that the ACE I/D polymorphism is not a major risk factor for RAO.