APOA1 polymorphisms are associated with variations in serum triglyceride concentrations in hypercholesterolemic individuals.

Abstract:

BACKGROUND:Apolipoprotein A-I gene (APOA1) polymorphisms have been associated with variations in serum low-density lipoprotein (LDL)- and high-density lipoprotein (HDL)-cholesterol. We have investigated whether APOA1 common variants are also associated with variations in basal triglyceride serum concentrations and response to atorvastatin in individuals with hypercholesterolemia. METHODS:APOA1 G-75A and C83T polymorphisms and variations in serum lipids were evaluated in 150 hypercholesterolemic (HC) and 93 normolipidemic (NL) unrelated European-derived Brazilians treated with atorvastatin (10 mg/day for 4 weeks). Genomic DNA was extracted from blood leukocytes using a salting-out method and APOA1 polymorphisms were analyzed by polymerase chain reaction and restriction fragment length polymorphism. RESULTS:G-75A polymorphism was associated with differences in serum concentrations of triglyceride and very low-density lipoprotein (VLDL)-cholesterol (p=0.026) in HC men. After atorvastatin treatment, women carrying the GG/CC haplotype had lower serum triglyceride and VLDL-cholesterol (p=0.020) than non-carriers. In men, the reduction in serum triglyceride in response to atorvastatin was found to be slightly lower in GG/CC haplotype carriers (p=0.051). CONCLUSION:Our data suggest that APOA1 polymorphisms are associated with variations of baseline serum concentrations of triglyceride and VLDL-cholesterol and in response to atorvastatin in a gender-specific manner.

journal_name

Clin Chem Lab Med

authors

Sorkin SC,Forestiero FJ,Hirata MH,Guzmán EC,Cavalli SA,Bertolami MC,Salazar LA,Hirata RD

doi

10.1515/CCLM.2005.229

keywords:

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

1339-45

issue

12

eissn

1434-6621

issn

1437-4331

journal_volume

43

pub_type

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