Apolipoprotein E gene polymorphism and total serum cholesterol level in Iranian population

Background: Apolipoprotein E (APOE) is known as a major regulator of blood lipid levels in humans. A number of APOE gene allelic variants have been reported including E2, E3 and E4. Recent studies suggested a role for APOE in obesity and increased Body Mass Index (BMI) and plasma lipid levels in obe...

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Veröffentlicht in:Journal of postgraduate medicine 2010-07, Vol.56 (3), p.173-175
Hauptverfasser: Bazzaz, J. T, Nazari, M, Nazem, H, Amiri, P, Fakhrzadeh, H, Heshmat, R, Abbaszadeh, S, Amoli, M. M
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container_end_page 175
container_issue 3
container_start_page 173
container_title Journal of postgraduate medicine
container_volume 56
creator Bazzaz, J. T
Nazari, M
Nazem, H
Amiri, P
Fakhrzadeh, H
Heshmat, R
Abbaszadeh, S
Amoli, M. M
description Background: Apolipoprotein E (APOE) is known as a major regulator of blood lipid levels in humans. A number of APOE gene allelic variants have been reported including E2, E3 and E4. Recent studies suggested a role for APOE in obesity and increased Body Mass Index (BMI) and plasma lipid levels in obese children. Aim: The aim of this study was to examine the association between APOE genetic variants and the BMI and lipid profile in an Iranian cohort. Setting and Design: Samples were obtained from subjects who participated in a study based on the WHO-designed MONICA (multinational monitoring of trends and determinants in cardiovascular disease) study for coronary artery disease risk assessment in Zone 17 of Tehran. The study was approved by the local ethical committee. Informed consent was obtained from all subjects included in this study. Materials and Methods: Subjects (n=320) were recruited. The level of triglyceride (TG) and total serum cholesterol was tested for all subjects in this study. Genotyping for APOE was carried using polymerase chain reaction-Restriction fragment length polymorphism (PCR-RFLP)technique. Statistical Analysis: Levels of significance were determined using contingency tables by either Chi-square or Fisher exact analysis using the STATA (v8) software. The analysis of regression and significance of differences for level of cholesterol and TG was established by one-way analysis of variance followed by Dunnett post hoc multiple comparison tests using SPSS software Version 11.5. Results: The frequency of allele E2 was significantly higher in patients with total serum cholesterol level
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T ; Nazari, M ; Nazem, H ; Amiri, P ; Fakhrzadeh, H ; Heshmat, R ; Abbaszadeh, S ; Amoli, M. M</creator><creatorcontrib>Bazzaz, J. T ; Nazari, M ; Nazem, H ; Amiri, P ; Fakhrzadeh, H ; Heshmat, R ; Abbaszadeh, S ; Amoli, M. M</creatorcontrib><description>Background: Apolipoprotein E (APOE) is known as a major regulator of blood lipid levels in humans. A number of APOE gene allelic variants have been reported including E2, E3 and E4. Recent studies suggested a role for APOE in obesity and increased Body Mass Index (BMI) and plasma lipid levels in obese children. Aim: The aim of this study was to examine the association between APOE genetic variants and the BMI and lipid profile in an Iranian cohort. Setting and Design: Samples were obtained from subjects who participated in a study based on the WHO-designed MONICA (multinational monitoring of trends and determinants in cardiovascular disease) study for coronary artery disease risk assessment in Zone 17 of Tehran. The study was approved by the local ethical committee. Informed consent was obtained from all subjects included in this study. Materials and Methods: Subjects (n=320) were recruited. The level of triglyceride (TG) and total serum cholesterol was tested for all subjects in this study. Genotyping for APOE was carried using polymerase chain reaction-Restriction fragment length polymorphism (PCR-RFLP)technique. Statistical Analysis: Levels of significance were determined using contingency tables by either Chi-square or Fisher exact analysis using the STATA (v8) software. The analysis of regression and significance of differences for level of cholesterol and TG was established by one-way analysis of variance followed by Dunnett post hoc multiple comparison tests using SPSS software Version 11.5. Results: The frequency of allele E2 was significantly higher in patients with total serum cholesterol level &lt;200 mg/dl (P 0.01 OR 2.1 95% CI 1.1-4.2). Conclusion: The association found in this study between allele E2 and lower total cholesterol level had been reported in previous studies. We have also observed that the frequency of genotype E2/E3 and E2/E4 was significantly higher in patients with normal total serum cholesterol level compared to patients with abnormal cholesterol (P=0.003 OR 2.4 95% CI; 1.3-4.6). Our data needs to be repeated in a larger population with more information for serum LDL and HDL levels and their subgroups.</description><identifier>ISSN: 0022-3859</identifier><identifier>EISSN: 0972-2823</identifier><identifier>DOI: 10.4103/0022-3859.68629</identifier><identifier>PMID: 20739760</identifier><language>eng</language><publisher>India: Medknow Publications and Staff Society of Seth GS Medical College and KEM Hospital, Mumbai, India</publisher><subject>Adult ; Alleles ; Apolipoprotein, cholesterol, diabetes ; Apolipoproteins ; Apolipoproteins E - genetics ; Arabs - genetics ; Blood cholesterol ; Body Mass Index ; Cardiovascular disease ; Cholesterol ; Cholesterol - blood ; Confidence intervals ; Deoxyribonucleic acid ; DNA ; Female ; Genetic polymorphisms ; Genotype ; Humans ; Hyperlipidemias - genetics ; Identification and classification ; Iran ; Lipids ; Low density lipoprotein ; Male ; Measurement ; Middle Aged ; Polymerase Chain Reaction ; Polymorphism, Restriction Fragment Length - genetics ; Properties ; Regression analysis ; Risk assessment ; Triglycerides - blood</subject><ispartof>Journal of postgraduate medicine, 2010-07, Vol.56 (3), p.173-175</ispartof><rights>Copyright 2010 Journal of Postgraduate Medicine.</rights><rights>COPYRIGHT 2010 Medknow Publications and Media Pvt. 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T</creatorcontrib><creatorcontrib>Nazari, M</creatorcontrib><creatorcontrib>Nazem, H</creatorcontrib><creatorcontrib>Amiri, P</creatorcontrib><creatorcontrib>Fakhrzadeh, H</creatorcontrib><creatorcontrib>Heshmat, R</creatorcontrib><creatorcontrib>Abbaszadeh, S</creatorcontrib><creatorcontrib>Amoli, M. M</creatorcontrib><title>Apolipoprotein E gene polymorphism and total serum cholesterol level in Iranian population</title><title>Journal of postgraduate medicine</title><addtitle>J Postgrad Med</addtitle><description>Background: Apolipoprotein E (APOE) is known as a major regulator of blood lipid levels in humans. A number of APOE gene allelic variants have been reported including E2, E3 and E4. Recent studies suggested a role for APOE in obesity and increased Body Mass Index (BMI) and plasma lipid levels in obese children. Aim: The aim of this study was to examine the association between APOE genetic variants and the BMI and lipid profile in an Iranian cohort. 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The analysis of regression and significance of differences for level of cholesterol and TG was established by one-way analysis of variance followed by Dunnett post hoc multiple comparison tests using SPSS software Version 11.5. Results: The frequency of allele E2 was significantly higher in patients with total serum cholesterol level &lt;200 mg/dl (P 0.01 OR 2.1 95% CI 1.1-4.2). Conclusion: The association found in this study between allele E2 and lower total cholesterol level had been reported in previous studies. We have also observed that the frequency of genotype E2/E3 and E2/E4 was significantly higher in patients with normal total serum cholesterol level compared to patients with abnormal cholesterol (P=0.003 OR 2.4 95% CI; 1.3-4.6). 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T</au><au>Nazari, M</au><au>Nazem, H</au><au>Amiri, P</au><au>Fakhrzadeh, H</au><au>Heshmat, R</au><au>Abbaszadeh, S</au><au>Amoli, M. M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Apolipoprotein E gene polymorphism and total serum cholesterol level in Iranian population</atitle><jtitle>Journal of postgraduate medicine</jtitle><addtitle>J Postgrad Med</addtitle><date>2010-07-01</date><risdate>2010</risdate><volume>56</volume><issue>3</issue><spage>173</spage><epage>175</epage><pages>173-175</pages><issn>0022-3859</issn><eissn>0972-2823</eissn><abstract>Background: Apolipoprotein E (APOE) is known as a major regulator of blood lipid levels in humans. A number of APOE gene allelic variants have been reported including E2, E3 and E4. Recent studies suggested a role for APOE in obesity and increased Body Mass Index (BMI) and plasma lipid levels in obese children. Aim: The aim of this study was to examine the association between APOE genetic variants and the BMI and lipid profile in an Iranian cohort. Setting and Design: Samples were obtained from subjects who participated in a study based on the WHO-designed MONICA (multinational monitoring of trends and determinants in cardiovascular disease) study for coronary artery disease risk assessment in Zone 17 of Tehran. The study was approved by the local ethical committee. Informed consent was obtained from all subjects included in this study. Materials and Methods: Subjects (n=320) were recruited. The level of triglyceride (TG) and total serum cholesterol was tested for all subjects in this study. Genotyping for APOE was carried using polymerase chain reaction-Restriction fragment length polymorphism (PCR-RFLP)technique. Statistical Analysis: Levels of significance were determined using contingency tables by either Chi-square or Fisher exact analysis using the STATA (v8) software. The analysis of regression and significance of differences for level of cholesterol and TG was established by one-way analysis of variance followed by Dunnett post hoc multiple comparison tests using SPSS software Version 11.5. Results: The frequency of allele E2 was significantly higher in patients with total serum cholesterol level &lt;200 mg/dl (P 0.01 OR 2.1 95% CI 1.1-4.2). Conclusion: The association found in this study between allele E2 and lower total cholesterol level had been reported in previous studies. We have also observed that the frequency of genotype E2/E3 and E2/E4 was significantly higher in patients with normal total serum cholesterol level compared to patients with abnormal cholesterol (P=0.003 OR 2.4 95% CI; 1.3-4.6). Our data needs to be repeated in a larger population with more information for serum LDL and HDL levels and their subgroups.</abstract><cop>India</cop><pub>Medknow Publications and Staff Society of Seth GS Medical College and KEM Hospital, Mumbai, India</pub><pmid>20739760</pmid><doi>10.4103/0022-3859.68629</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Alleles
Apolipoprotein, cholesterol, diabetes
Apolipoproteins
Apolipoproteins E - genetics
Arabs - genetics
Blood cholesterol
Body Mass Index
Cardiovascular disease
Cholesterol
Cholesterol - blood
Confidence intervals
Deoxyribonucleic acid
DNA
Female
Genetic polymorphisms
Genotype
Humans
Hyperlipidemias - genetics
Identification and classification
Iran
Lipids
Low density lipoprotein
Male
Measurement
Middle Aged
Polymerase Chain Reaction
Polymorphism, Restriction Fragment Length - genetics
Properties
Regression analysis
Risk assessment
Triglycerides - blood
title Apolipoprotein E gene polymorphism and total serum cholesterol level in Iranian population
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