Abstract:
INTRODUCTION:To determine whether single nucleotide polymorphisms (SNPs) in FAS and related genes are associated with acute kidney injury (AKI) in patients with acute respiratory distress syndrome (ARDS). METHODS:We studied 401 (Caucasian N = 310 and African-American N = 91) patients aged ≥ 13 years with ALI who enrolled in the Fluid and Catheter Treatment Trial (FACTT) between 2000 and 2005 from 20 North American centers. We genotyped 367 SNPs in 45 genes of the Fas/Fas ligand pathway to identify associations between SNPs in Fas pathway genes and the development of AKI by day 2 after enrollment in FACTT, adapting Acute Kidney Injury Network (AKIN) criteria. Written informed consent was obtained from participants or legally authorized surrogates in the original FACTT study and available to use for secondary analysis. RESULTS:In Caucasian patients, we identified associations between two SNPs and the incidence of AKI (stage 1 and above): rs1050851 and rs2233417; both are found within the gene for nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha (NFKBIA). For rs1050851 and rs2233417, the odds ratios (ORs) were 2.34 (95 % confidence interval (CI) = 1.58-3.46, p = 1.06 × 10(-5), FDR = 0.003) and 2.46 (CI = 1.61-3.76, p = 1.81 × 10(-5), FDR = 0.003) for each minor allele, respectively. The associations were stronger still for AKIN stage 2-3 with respective ORs 4.00 (CI = 2.10-7.62, p = 1.05 × 10(-5), FDR = 0.003) and 4.03 (CI = 2.09-7.77, p = 1.88 × 10(-5), FDR = 0.003) for each minor allele homozygote. We observed no significant association between these SNPs and AKI in the smaller subset of African Americans. CONCLUSION:In Caucasian patients with ALI, the presence of minor alleles in two SNPs in NFKBIA was strongly associated with the development of AKI. TRIAL REGISTRATION:NCT00281268 . Registered 20/01/2006.
journal_name
Crit Carejournal_title
Critical care (London, England)authors
Bhatraju P,Hsu C,Mukherjee P,Glavan BJ,Burt A,Mikacenic C,Himmelfarb J,Wurfel Mdoi
10.1186/s13054-015-1084-5subject
Has Abstractpub_date
2015-10-19 00:00:00pages
368eissn
1364-8535issn
1466-609Xpii
10.1186/s13054-015-1084-5journal_volume
19pub_type
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