Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
2002-11-8
pubmed:abstractText
The objective of the study was to examine the prevalence and distribution of four major single nucleotide polymorphisms (SNPs) (T59G, T1067G, T202C, and C314T) of the Lewis ( FUT3)gene in a biethnic United States population. This population-based cross-sectional study was based on data from the Atherosclerosis Risk in Communities (ARIC) Study, which included 761 males and females aged 45-64 years, who had no known/detected clinical atherosclerotic disease (577 Caucasians, 184 African Americans). The main outcome measures were prevalence of the Lewis genotype and allele frequencies for four SNPs of the FUT3gene. The most common genotype was the "wild type" at all four nucleotide positions ( WWWW), which was found to be present in 46.9% of ARIC participants. At least one mutant allele was detected in 51.7% of Caucasians, and 56.7% of African Americans ( P=0.59). The frequencies of mutant alleles ranged from 6.3% to 18.4% at the four FUT3gene sites examined. The distribution of the Lewis genotype and allele frequencies differed significantly by ethnicity at sites 59, 202, and 314. The prevalence of the Lewis genotype suggesting a lack of alpha(1,3/1,4) fucosyltransferase activity was 11.6% in Caucasians and 9.9% in African Americans ( P=0.67). Four specific SNPs of the Lewis genotype are common in the population at large. However, these four SNPs seem to fail to explain the majority of Lewis-negative phenotype in African Americans, given that Lewis-negative genotype prevalence was about one-third of what was expected. Use of rapid DNA sequencing and simultaneous Lewis phenotype determination could avoid the problems associated with haplotype determination and Lewis genotype grouping. Further studies testing SNPs of the Lewisgene are warranted, in particular among African Americans.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0939-5555
pubmed:author
pubmed:issnType
Print
pubmed:volume
81
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
558-65
pubmed:dateRevised
2008-8-15
pubmed:meshHeading
pubmed-meshheading:12424536-African Continental Ancestry Group, pubmed-meshheading:12424536-Age Factors, pubmed-meshheading:12424536-Aged, pubmed-meshheading:12424536-Alleles, pubmed-meshheading:12424536-Cross-Sectional Studies, pubmed-meshheading:12424536-European Continental Ancestry Group, pubmed-meshheading:12424536-Female, pubmed-meshheading:12424536-Fucosyltransferases, pubmed-meshheading:12424536-Gene Frequency, pubmed-meshheading:12424536-Genotype, pubmed-meshheading:12424536-Humans, pubmed-meshheading:12424536-Lewis Blood-Group System, pubmed-meshheading:12424536-Male, pubmed-meshheading:12424536-Middle Aged, pubmed-meshheading:12424536-Phenotype, pubmed-meshheading:12424536-Polymorphism, Single Nucleotide, pubmed-meshheading:12424536-Sex Factors, pubmed-meshheading:12424536-United States
pubmed:year
2002
pubmed:articleTitle
Distribution of Lewis (FUT3)genotype and allele: frequencies in a biethnic United States population.
pubmed:affiliation
Department of Public Health, Hacettepe University Faculty of Medicine, Ankara, Turkey.
pubmed:publicationType
Journal Article