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Raised Interleukin-10 is an Indicator of Poor Outcome and Enhanced Systemic Inflammation in Patients with Acute Coronary Syndrome
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. (UCR)
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2008 (English)In: Heart, ISSN 1355-6037, E-ISSN 1468-201X, Vol. 94, no 6, 724-9 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: To re-evaluate the relation between plasma interleukin-10 (IL-10) concentration at hospital admission and outcome and to investigate the impact of single nucleotide polymorphisms (SNP) in the IL-10 gene in patients with non-ST elevation acute coronary syndrome (ACS). DESIGN: Determination of IL-10 plasma concentrations and genotyping of SNPs in the IL-10 gene in a prospective trial of patients with ACS and in a group of healthy controls. PATIENTS: 3179 patients in the Fragmin and fast revascularisation during InStability in Coronary artery disease II (FRISC II) trial and 393 healthy controls. MAIN OUTCOME MEASURES: Mortality and incidence of myocardial infarction (MI) at 12 months. RESULTS: The median and interquartile ranges of IL-10 were 0.8 (0.5-1.0) pg/ml in healthy controls and 1.1 (0.7-1.9) pg/ml in patients (p<0.001). In patients, IL-10 predicted a crude risk increase of death/MI, with the highest risk observed in the fourth quartile (adjusted odds ratio 1.7 (95% confidence interval 1.2 to 2.3)). Adjustment for common risk indicators, including C-reactive protein and interleukin-6, weakened the association to a non-significant level. The 1170 CC genotype weakly predicted increased plasma concentrations of IL-10 in patients (p = 0.04) and in controls (p = 0.03), which was consistent with the modest association of this variant with coronary disease (p = 0.01). CONCLUSION: In contrast with some previous reports, we conclude that IL-10 reflects a proinflammatory state in patients with ACS and we therefore suggest that IL-10 is as effective a biomarker for the risk prediction of future cardiovascular events as other markers of systemic inflammation.

Place, publisher, year, edition, pages
2008. Vol. 94, no 6, 724-9 p.
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Medical and Health Sciences
URN: urn:nbn:se:uu:diva-14758DOI: 10.1136/hrt.2007.119271.ISI: 000255864800011PubMedID: 17690160OAI: oai:DiVA.org:uu-14758DiVA: diva2:42529
Available from: 2008-01-31 Created: 2008-01-31 Last updated: 2010-05-04Bibliographically approved

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Mälarstig, AndersLindahl, BertilWallentin, LarsSiegbahn, Agneta
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