Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2009-11-2
pubmed:abstractText
Tuberculosis (TB) has substantial mortality worldwide with 5-10% of those exposed progressing to active TB disease. Studies in mice and humans indicate that the inducible nitric oxide synthase (iNOS) molecule plays an important role in immune response to TB. A mixed case-control association study of individuals with TB, relatives, or close contact controls was performed in 726 individuals (279 case and 166 control African-Americans; 198 case and 123 control Caucasians). Thirty-nine single nucleotide polymorphisms (SNPs) were selected from the NOS2A gene for single SNP, haplotype, and multilocus interaction analyses with other typed candidate genes using generalized estimating equations. In African-Americans, ten NOS2A SNPs were associated with TB. The strongest associations were observed at rs2274894 (odds ratio (OR) = 1.84, 95% confidence interval (CI) [1.23-2.77], p = 0.003) and rs7215373 (OR = 1.67, 95% CI [1.17-2.37], p = 0.004), both of which passed a false discovery rate correction for multiple comparisons (q* = 0.20). The strongest gene-gene interactions were observed between NOS2A rs2248814 and IFNGR1 rs1327474 (p = 0.0004) and NOS2A rs944722 and IFNGR1 rs1327474 (p = 0.0006). Three other SNPs in NOS2A interacted with TLR4 rs5030729 and five other NOS2A SNPs interacted with IFNGR1 rs1327474. No significant associations were observed in Caucasians. These results suggest that NOS2A variants may contribute to TB susceptibility, particularly in individuals of African descent, and may act synergistically with SNPs in TLR4 and IFNGR1.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1432-1203
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
126
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
643-53
pubmed:dateRevised
2011-10-27
pubmed:meshHeading
pubmed-meshheading:19575238-Adolescent, pubmed-meshheading:19575238-Adult, pubmed-meshheading:19575238-African Continental Ancestry Group, pubmed-meshheading:19575238-Case-Control Studies, pubmed-meshheading:19575238-Child, pubmed-meshheading:19575238-Chromosome Mapping, pubmed-meshheading:19575238-European Continental Ancestry Group, pubmed-meshheading:19575238-Exons, pubmed-meshheading:19575238-Family, pubmed-meshheading:19575238-Female, pubmed-meshheading:19575238-Genetic Predisposition to Disease, pubmed-meshheading:19575238-Genotype, pubmed-meshheading:19575238-Humans, pubmed-meshheading:19575238-Introns, pubmed-meshheading:19575238-Male, pubmed-meshheading:19575238-Models, Genetic, pubmed-meshheading:19575238-Nitric Oxide Synthase Type II, pubmed-meshheading:19575238-Polymorphism, Single Nucleotide, pubmed-meshheading:19575238-Promoter Regions, Genetic, pubmed-meshheading:19575238-Receptors, Interferon, pubmed-meshheading:19575238-Toll-Like Receptor 4, pubmed-meshheading:19575238-Tuberculosis, Pulmonary, pubmed-meshheading:19575238-United States
pubmed:year
2009
pubmed:articleTitle
NOS2A, TLR4, and IFNGR1 interactions influence pulmonary tuberculosis susceptibility in African-Americans.
pubmed:affiliation
Dr. John T. Macdonald Foundation Department of Human Genetics, Miami Institute of Human Genomics, Miller School of Medicine, University of Miami, Miami, FL 33136, USA. dvelez@med.miami.edu
pubmed:publicationType
Journal Article, Research Support, N.I.H., Extramural