Journal
JOURNAL OF INTERNAL MEDICINE
Volume 272, Issue 1, Pages 55-64Publisher
WILEY
DOI: 10.1111/j.1365-2796.2011.02476.x
Keywords
biomarkers; cardiovascular system; galectin-3; general population; prognosis
Categories
Funding
- BG Medicine, Inc.
- Netherlands Heart Foundation [2007T046]
- Innovational Research Incentives Scheme of the Netherlands Organization for Scientific Research (NWO VENI) [916.10.117]
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. de Boer RA, van Veldhuisen DJ, Gansevoort RT, Muller Kobold AC, van Gilst WH, Hillege HL, Bakker SJL, van der Harst P (University of Groningen). The fibrosis marker galectin-3 and outcome in the general population. J Intern Med 2012; 272: 5564. Objective. Galectin-3 is involved in fibrosis and inflammation and plays a role in heart failure, renal disease, obesity and cancer. We aimed to establish the relationship between galectin-3 and cardiovascular (CV) risk factors and mortality in the general population. Design and subjects. This study included 7968 subjects from the Prevention of REnal and Vascular ENd-stage Disease (PREVEND) cohort, with a median follow-up of approximately 10 years. Plasma galectin-3 was measured in baseline samples. Main outcome measures. We investigated the relationships between galectin-3 levels, demographic characteristics and risk factors of CV disease. We determined the prognostic value for all-cause, CV and cancer mortality. Results. The mean age of the population was 50 +/- 13 years. Mean blood pressure was 129/74 mmHg, mean cholesterol was 5.7 +/- 1.1 mmol L-1 and median galectin-3 was 10.9 ng mL-1 [interquartile range (IQR) 9.013.1]. Galectin-3 levels correlated with a wide range of risk factors of CV disease, including blood pressure, serum lipids, body mass index, renal function and N-terminal pro-B-type natriuretic peptide (P < 0.0001). We observed a strong association between galectin-3 and age. Furthermore, we found a gender interaction, with female subjects (n = 4001) having higher median galectin-3 levels (11.0 ng mL-1, IQR 9.113.4 vs. men (n = 3967) 10.7 ng mL-1, IQR 8.912.8; P < 0.0001), and galectin-3 levels in women more strongly correlated with risk factors of CV disease. After correction for the classical CV risk factors (smoking, blood pressure, cholesterol and diabetes), galectin-3 levels independently predicted all-cause mortality (hazard ratio per SD galectin-3 1.09, 95% CI 1.011.19; P = 0.036), but not CV and cancer mortality separately. Conclusions. Galectin-3 is associated with age and risk factors of CV disease, with a strong gender interaction for these correlations. Galectin-3 predicts all-cause mortality in the general population.
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