ArticleJournal of intensive care2025
Low apolipoprotein A-II levels causally contribute to increased mortality in septic shock.
Article in Journal of intensive care, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Plasma apolipoprotein A-I is a causal protective factor in sepsis.Scientific reports · 2025Article
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6 authors.
Funding
Abstract
backgroundLipoproteins and their component apolipoproteins play an important role in sepsis. However, little is known with regard to the association and causal contribution of these proteins to mortality in patients of different ancestries following septic shock. The objective of this study was to determine whether lipoprotein and apolipoprotein levels, and related genetic variants, are associated with clinical outcomes in septic shock.
methodsWe investigated the association between lipoprotein and apolipoprotein levels at the point of admission to the intensive care unit and in-hospital mortality in 687 Japan patients diagnosed with septic shock. For each clinically significant candidate protein, we extracted haplotype tag single nucleotide polymorphisms (SNPs) of the corresponding gene and examined the association of the candidate gene variants with 28-day mortality and organ dysfunction. We tested for replication in a Caucasian septic shock cohort (Vasopressin and Septic Shock Trial, VASST, n = 474). To determine whether the candidate lipoprotein causally contributed to septic shock outcome, we used a Mendelian randomization analysis based on polygenic scores generated from a genome-wide association study (GWAS) in the Japan cohort.
resultsIn the Japan cohort, low apolipoprotein A-II levels were associated with increased septic shock mortality (adjusted odds ratio, 1.05; 95%CI, 1.02-1.09; P < 0.001). For a haplotype tag SNP of the corresponding ApoA2 gene, rs6413453 GG carriers had significantly higher 28-day mortality (adjusted hazard ratio [aHR], 1.79; 95% confidence interval [CI], 1.06-3.04; P = 0.029) and significantly fewer days free of cardiovascular, respiratory, renal and neurologic dysfunction than AG/AA carriers. This result was replicated in the Caucasian septic shock cohort (28-day mortality: aHR, 1.65; 95% CI, 1.02-2.68; P = 0.041). Mendelian randomization using 9 SNPs from an apolipoprotein A-II GWAS suggested that genetically decreased levels of apolipoprotein A-II were a causal factor for increased mortality in septic shock (odds ratio for mortality due to a 1 mg/dL decrease in apolipoprotein A-II is 1.05 [95% CI; 1.01-1.03, P = 0.0022]).
conclusionsIn septic shock, apolipoprotein A-II levels and ApoA2 genetic variations are important factors associated with outcome.
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