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An NFKB1 promoter insertion/deletion polymorphism influences risk and outcome in acute respiratory distress syndrome among Caucasians.


ABSTRACT: Nuclear factor-?B (NF-?B) is required for transcription of many pro-inflammatory genes and has been implicated in the pathogenesis of acute respiratory distress syndrome (ARDS). We hypothesized that a known functional polymorphism in the promoter of the NFKB1 gene may affect susceptibility to and outcome from ARDS.A case control study was conducted among a cohort of patients admitted to the intensive care unit (ICU) with risk factors for the development of ARDS. 379 patients with ARDS and 793 at-risk controls were studied. Patients were followed for 60 days with development of ARDS as a primary outcome; ARDS-related mortality and organ dysfunction were secondary outcomes.Patients homozygous for the 4 base pair deletion in the promoter of NFKB1 (del/del) did not have an increased odds ratio (OR) of developing ARDS in unadjusted analysis but were more likely to develop ARDS in the presence of a significant interaction between the del/del genotype and age (OR 5.21, 95% CI 1.35-20.0). In multivariate analysis, patients with ARDS and the del/del genotype also had increased 60 day mortality (HR 1.54, 95% CI 1.01-2.36) and more severe daily organ dysfunction (P<.001) when compared to ARDS patients with other genotypes.The del/del genotype is associated with an age-dependent increase in odds of developing ARDS. Patients with the del/del genotype and ARDS also have increased hazard of 60 day mortality and more organ failure.

SUBMITTER: Bajwa EK 

PROVIDER: S-EPMC3090449 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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An NFKB1 promoter insertion/deletion polymorphism influences risk and outcome in acute respiratory distress syndrome among Caucasians.

Bajwa Ednan K EK   Cremer Paul C PC   Gong Michelle N MN   Zhai Rihong R   Su Li L   Thompson B Taylor BT   Christiani David C DC  

PloS one 20110509 5


<h4>Background</h4>Nuclear factor-κB (NF-κB) is required for transcription of many pro-inflammatory genes and has been implicated in the pathogenesis of acute respiratory distress syndrome (ARDS). We hypothesized that a known functional polymorphism in the promoter of the NFKB1 gene may affect susceptibility to and outcome from ARDS.<h4>Methods</h4>A case control study was conducted among a cohort of patients admitted to the intensive care unit (ICU) with risk factors for the development of ARDS  ...[more]

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