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Query: UNIPROT:P10145 (
IL-8
)
23,849
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Susceptibility to viral bronchiolitis, the commonest cause of infant admissions to hospital in the industrialised world, is associated with polymorphism at the
IL8
locus. Here we map the genomic boundaries of the disease association by case-control analysis and TDT in 580 affected UK infants. Markers for association mapping were chosen after determining patterns of linkage disequilibrium across the surrounding region of chromosome 4q, a 550-kb segment containing nine genes, extending from AFP to PPBP. The region has three major clusters of high linkage disequilibrium and is notable for its low haplotypic diversity. We exclude adjacent chemokine genes as the cause of the association, and identify a disease-associated haplotype that spans a 250-kb region from AFM to
IL8
. In between these two genes there is only one structural feature of interest, a novel gene
RASSF6
, which is predicted to encode a Ras effector protein.
...
PMID:Haplotype mapping of the bronchiolitis susceptibility locus near IL8. 1460 70
Cystic fibrosis pulmonary disease is characterized by excessive and prolonged inflammation. CF Pulmonary disease severity exhibits considerable variation that, to some extent, appears to be due to the presence of modifier genes. Several components of the inflammatory response are known to have altered regulation in the CF lung. Genetic variants in 52 inflammatory genes were tested for associations with lung disease indices in a CF patient population (n=737) homozygous for the DeltaF508 cystic fibrosis transmembrane conductance regulator mutation. Variants in three inflammatory genes showed significant genotypic associations with CF lung disease severity, including
IL8
and previously reported TGFbeta1 (P< or =0.05). When analyzed by gender, it was apparent that
IL8
variant associations were predominantly due to males. The
IL8
variants were tested in an additional CF population (n=385) and the association in males verified (P< or =0.01). The
IL8
variants were in strong linkage disequilibrium with each other (R2> or =0.82), while variants in neighboring genes CXCL6,
RASSF6
and PF4V1 did not associate (P> or =0.26) and were in weaker LD with each other and with the
IL8
variants (0.01< or =R2< or =0.49). Studies revealed differential expression between the
IL8
promoter variant alleles (P<0.001). These results suggest that
IL8
variants modify CF lung disease severity and have functional consequences.
...
PMID:Modulation of cystic fibrosis lung disease by variants in interleukin-8. 1856 70