• Tara C Mills, Stephen Chapman, Paula Hutton, Anthony C Gordon, Julian Bion, Jean-Daniel Chiche, Paul A H Holloway, Frank Stüber, Chris S Garrard, Charles J Hinds, Adrian V S Hill, Anna Rautanen, and ESICM/ECCRN GenOSept Investigators.
• Wellcome Trust Centre for Human Genetics, University of Oxford.
• Clin. Infect. Dis. 2015 Sep 1; 61 (5): 695-703.

BackgroundSepsis is an increasingly common condition, which continues to be associated with unacceptably high mortality. A large number of association studies have investigated susceptibility to, or mortality from, sepsis for variants in the functionally important immune-related gene MBL2. These studies have largely been underpowered and contradictory.MethodsWe genotyped and analyzed 4 important MBL2 single nucleotide polymorphisms (SNPs; rs5030737, rs1800450, rs1800451, and rs7096206) in 1839 European community-acquired pneumonia (CAP) and peritonitis sepsis cases, and 477 controls from the United Kingdom. We analyzed the following predefined subgroups and outcomes: 28-day and 6 month mortality from sepsis due to CAP or peritonitis combined, 28-day mortality from CAP sepsis, peritonitis sepsis, pneumococcal sepsis or sepsis in younger patients, and susceptibility to CAP sepsis or pneumococcal sepsis in the United Kingdom.ResultsThere were no significant associations (all P-values were greater than .05 after correction for multiple testing) between MBL2 genotypes and any of our predefined analyses.ConclusionsIn this large, well-defined cohort of immune competent adult patients, no associations between MBL2 genotype and sepsis susceptibility or outcome were identified.© The Author 2015. Published by Oxford University Press on behalf of the Infectious Diseases Society of America.

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