SNPs at the APOA5 gene account for the strong association with hypertriglyceridaemia at the APOA5/ A4/ C3/ A1 locus on chromosome 11q23 in the Northern Irish population

Serum triglyceride levels (TG) are important independent risk factors for coronary heart disease. The apolipoproteins C-III (apoCIII) and A-V (apoAV) are central to normal TG metabolism and the complete sequence analysis of these genes was carried out in severe cases (TG > 9 mmol/l) and controls...

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Veröffentlicht in:Atherosclerosis 2006-04, Vol.185 (2), p.353-360
Hauptverfasser: Wright, William T., Young, Ian S., Nicholls, D. Paul, Patterson, Chris, Lyttle, Kelly, Graham, Colin A.
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container_end_page 360
container_issue 2
container_start_page 353
container_title Atherosclerosis
container_volume 185
creator Wright, William T.
Young, Ian S.
Nicholls, D. Paul
Patterson, Chris
Lyttle, Kelly
Graham, Colin A.
description Serum triglyceride levels (TG) are important independent risk factors for coronary heart disease. The apolipoproteins C-III (apoCIII) and A-V (apoAV) are central to normal TG metabolism and the complete sequence analysis of these genes was carried out in severe cases (TG > 9 mmol/l) and controls (TG < 2 mmol/l). A total of 53 SNPs were identified in these genes with 17 being novel to this study. Further analysis defined four APOC3 SNPs and three APOA5 SNPs showing strong association with TG levels. Analysis of the two major SNPs from APOA5 [c.56C > G, c.-3A > G] and from APOC3 [c.102C > T, c.340C > G] using THESIAS has identified two major haplotypes relative to the most common CACC haplotype showing very strong association with hypertriglyceridaemia, CGTG and GATC (odds ratio 7.45 and 5.26). Logistic regression analysis of these four SNPs revealed that, carriage of the APOA5 c.56 G allele (odd ratios 4.49) and the APOA5 c.-3 G allele (odds ratio 3.23) were strong independent predictors of hypertriglyceridaemia ( P < 0.001), whereas in contrast, carriage of the APOC3 c102 T allele (odds ratio 1.35) and the APOC3 c.340 G allele (odds ratio 1.37), did not show any significant effects that were independent of APOA5.
doi_str_mv 10.1016/j.atherosclerosis.2005.06.043
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Paul</creatorcontrib><creatorcontrib>Patterson, Chris</creatorcontrib><creatorcontrib>Lyttle, Kelly</creatorcontrib><creatorcontrib>Graham, Colin A.</creatorcontrib><title>SNPs at the APOA5 gene account for the strong association with hypertriglyceridaemia at the APOA5/ A4/ C3/ A1 locus on chromosome 11q23 in the Northern Irish population</title><title>Atherosclerosis</title><addtitle>Atherosclerosis</addtitle><description>Serum triglyceride levels (TG) are important independent risk factors for coronary heart disease. The apolipoproteins C-III (apoCIII) and A-V (apoAV) are central to normal TG metabolism and the complete sequence analysis of these genes was carried out in severe cases (TG &gt; 9 mmol/l) and controls (TG &lt; 2 mmol/l). A total of 53 SNPs were identified in these genes with 17 being novel to this study. Further analysis defined four APOC3 SNPs and three APOA5 SNPs showing strong association with TG levels. 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A total of 53 SNPs were identified in these genes with 17 being novel to this study. Further analysis defined four APOC3 SNPs and three APOA5 SNPs showing strong association with TG levels. Analysis of the two major SNPs from APOA5 [c.56C &gt; G, c.-3A &gt; G] and from APOC3 [c.102C &gt; T, c.340C &gt; G] using THESIAS has identified two major haplotypes relative to the most common CACC haplotype showing very strong association with hypertriglyceridaemia, CGTG and GATC (odds ratio 7.45 and 5.26). Logistic regression analysis of these four SNPs revealed that, carriage of the APOA5 c.56 G allele (odd ratios 4.49) and the APOA5 c.-3 G allele (odds ratio 3.23) were strong independent predictors of hypertriglyceridaemia ( P &lt; 0.001), whereas in contrast, carriage of the APOC3 c102 T allele (odds ratio 1.35) and the APOC3 c.340 G allele (odds ratio 1.37), did not show any significant effects that were independent of APOA5.</abstract><cop>Amsterdam</cop><pub>Elsevier Ireland Ltd</pub><pmid>16125709</pmid><doi>10.1016/j.atherosclerosis.2005.06.043</doi><tpages>8</tpages></addata></record>
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subjects APOA5
APOC3
Apolipoprotein A-I - genetics
Apolipoprotein A-V
Apolipoprotein C-III
Apolipoproteins - genetics
Apolipoproteins A - genetics
Apolipoproteins C - genetics
Atherosclerosis (general aspects, experimental research)
Biological and medical sciences
Blood and lymphatic vessels
Cardiology. Vascular system
Chromosomes, Human, Pair 11
Diseases of the cardiovascular system
Female
Fundamental and applied biological sciences. Psychology
General aspects
Genetics
Genotype
Haplotypes
Humans
Hypertriglyceridaemia
Hypertriglyceridemia - blood
Hypertriglyceridemia - genetics
Male
Medical sciences
Middle Aged
Polymorphism, Single Nucleotide
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Sequence Analysis, DNA
Triglycerides - blood
Vertebrates: cardiovascular system
title SNPs at the APOA5 gene account for the strong association with hypertriglyceridaemia at the APOA5/ A4/ C3/ A1 locus on chromosome 11q23 in the Northern Irish population
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