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Distribution of ACE insertion/deletion (I/D) polymorphism in Iranian populations.

ABSTRACT: Angiotensin converting enzyme (ACE; OMIM: 106180) has an important role in the conversion of angiotensin I to angiotensin II and degradation of bradykinin. Genetic polymorphism I/D (rs4646994) in the gene encoding ACE has been well defined. To get more insight into the genetic structure of Iranian populations, the distribution of the ACE I/D polymorphism among Iranians was compared with each other and with other populations. Prevalence of the D allele was 0.5886 (95% CI: 0.5725-0.6047) in Iran. There was significant difference between Iranian populations (x2=27.7, df=6, P<0.001). The major part of this difference was due to difference between Zahedan study and the other populations, as by removing this population, the heterogeneity between populations, remarkably decreased (x2=10.15, df=5, P=0.071). The D allele showed high frequency in Iran which is similar to Caucasians.

SUBMITTER: Saadat M

PROVIDER: S-EPMC5019291 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Distribution of ACE insertion/deletion (I/D) polymorphism in Iranian populations.

Saadat Mostafa M

Molecular biology research communications 20150601 2

Angiotensin converting enzyme (ACE; OMIM: 106180) has an important role in the conversion of angiotensin I to angiotensin II and degradation of bradykinin. Genetic polymorphism I/D (rs4646994) in the gene encoding ACE has been well defined. To get more insight into the genetic structure of Iranian populations, the distribution of the ACE I/D polymorphism among Iranians was compared with each other and with other populations. Prevalence of the D allele was 0.5886 (95% CI: 0.5725-0.6 ...[more]

PMID: 27843997

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Project description:BackgroundThe Angiotensin Converting Enzyme (ACE) insertion/deletion (I/D) polymorphism has received much attention in pharmacogenetic research because observed variations in response to ACE inhibitors might be associated with this polymorphism. Pharmacogenetic testing raises the hope to individualise ACE inhibitor therapy in order to optimise its effectiveness and to reduce adverse effects for genetically different subgroups. However, the extent of its effect modification in patients treated with ACE inhibitors remains inconclusive. Therefore our objective is to quantify the effect modification of the insertion/deletion polymorphism of the angiotensin converting enzyme gene on any surrogate and clinically relevant parameters in patients with cardiovascular diseases, diabetes, renal transplantation and/or renal failure.MethodsSystematic Review. We will perform literature searches in six electronic databases to identify randomised controlled trials comparing the effectiveness and occurrence of adverse events of ACE inhibitor therapy against placebo or any active treatment stratified by the I/D gene polymorphism. In addition, authors of trials, experts in pharmacogenetics and pharmaceutical companies will be contacted for further published or unpublished data. Hand searching will be accomplished by reviewing the reference lists of all included studies. The methodological quality of included papers will be assessed. Data analyses will be performed in clinically and methodologically cogent subgroups. The results of the quantitative assessment will be pooled statistically where appropriate to produce an estimate of the differences in the effect of ACE inhibitors observed between the three ACE genotypes.DiscussionThis protocol describes a strategy to quantify the effect modification of the ACE polymorphism on ACE inhibitors in relevant clinical domains using meta-epidemiological research methods. The results may provide evidence for the usefulness of pharmacogenetic testing for individualised ACE inhibitor therapy.

Dataset Information

Distribution of ACE insertion/deletion (I/D) polymorphism in Iranian populations.

Publications

Distribution of <i>ACE</i> insertion/deletion (I/D) polymorphism in Iranian populations.

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