Marshall, RP; Webb, S; Bellingan, GJ; Montgomery, HE; Chaudhari, B; McAnulty, RJ; ... Laurent, GJ; + view all Marshall, RP; Webb, S; Bellingan, GJ; Montgomery, HE; Chaudhari, B; McAnulty, RJ; Humphries, SE; Hill, MR; Laurent, GJ; - view fewer (2002) Angiotensin converting enzyme insertion /deletion polymorphism is associated with susceptibility and outcome in acute respiratory distress syndrome. AM J RESP CRIT CARE , 166 (5) 646 - 650. 10.1164/rccm.2108086.
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Acute respiratory distress syndrome (ARDS) is an often fatal condition for which a genetic predisposition is postulated, although no specific genes have been identified to date. Angiotensin converting enzyme (ACE) has a potential role in the pathogenesis of ARDS via effects on pulmonary vascular tone/permeability, epithelial cell survival, and fibroblast activation. Forty-seven percent of the variance in plasma ACE activity is accounted for by the ACE insertion/deletion (I/D) polymorphism, the D allele being associated with higher activity. We therefore hypothesized that the presence of the D allele would be associated with the development of ARDS. Ninety-six white patients fulfilling American/European Consensus Committee criteria for ARDS were genotyped for the ACE polymorphism together with individuals from three comparison groups: 88 white patients with non-ARDS respiratory failure ventilated in the intensive care unit (ICU), 174 ICU patients undergoing coronary artery bypass grafting, and 1,906 individuals from a general population group. DD genotype frequency was increased in the patients with ARDS compared with the ICU (p = 0.00008), coronary artery bypass grafting (p = 0.0009), and general population group (p = 0.00004) control groups and was significantly associated with mortality in the ARDS group (p < 0.02). These data suggest a potential role for renin-angiotensin systems in the pathogenesis of ARDS and for the first time implicate genetic factors in the development and progression of this syndrome.
|Title:||Angiotensin converting enzyme insertion /deletion polymorphism is associated with susceptibility and outcome in acute respiratory distress syndrome|
|Keywords:||acute respiratory distress syndrome, angiotensin converting enzyme, polymorphism (genetic), ACE GENE, ESSENTIAL-HYPERTENSION, PULMONARY-EDEMA, RECEPTOR GENE, LUNG, BRADYKININ, CAPTOPRIL, PEPTIDES, CELLS, ARDS|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Medicine (Division of) > Clinical Physiology|
UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Medicine (Division of) > Internal Medicine
UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science
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