Original Article

International Journal of Obesity advance online publication 13 October 2009; doi: 10.1038/ijo.2009.204

Adipocytokines and the risk of coronary heart disease in healthy middle aged men: the PRIME Study

Members of the PRIME study group are listed in the Appendix

G Luc1,2,3,4, J-P Empana5, P Morange6, I Juhan-Vague6, D Arveiler7, J Ferrieres8, P Amouyel9, A Evans10, F Kee10, A Bingham5, E Machez1,2,3 and P Ducimetiere5

  1. 1Université de Lille Nord de France, Lille, France
  2. 2INSERM U545, Faculté de Médecine, Pôle Recherche, University of Lille 2, Lille, France
  3. 3UDSL, Lille, France
  4. 4Institut Pasteur de Lille, Lille, France
  5. 5INSERM U970, Paris Cardiovascular Research Centre (PAARC); Paris V University, Paris, France
  6. 6INSERM U626, The Laboratory of Hematology, La Timone Hospital, Marseille, France
  7. 7Department of Epidemiology and Public Health, Faculté de Médecine, Strasbourg, France
  8. 8Department of Epidemiology, INSERM U558, Toulouse, France
  9. 9INSERM U744, Institut Pasteur de Lille, Lille, France
  10. 10Department of Epidemiology and Public Health, Queen's University Belfast, Belfast, Northern Ireland

Correspondence: Professor G Luc, INSERM U545, Faculté de Médecine, Pôle Recherche, University of Lille 2, bld Prof Leclerc, Lille 59037, France. E-mail: gerald.luc@univ-lille2.fr

Received 14 January 2009; Revised 14 July 2009; Accepted 10 August 2009; Published online 13 October 2009.

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Abstract

Background:

 

Adipokines play an important role in glucose, lipid and lipoprotein metabolisms, as well as in coagulation and inflammatory processes. So far, studies have evaluated the association of individual adipokines with future coronary heart disease (CHD) event and provided mixed results.

Objectives:

 

We sought to investigate the association of a set of adipocytokines, including total adiponectin, adipsin, resistin, leptin and plasminogen activator inihibitor-1 (PAI-1), with future CHD events in apparently healthy men.

Methods:

 

We built a nested case–control study within the PRIME Study, a multicenter prospective cohort of 9779 healthy European middle-aged men. Total adiponectin, adipsin, resistin, leptin and PAI-1 were measured in the baseline plasma sample of 617 men who developed a first CHD event (coronary death, myocardial infarction, stable or unstable angina) during 10 years of follow-up and in 1215 study-matched controls, by multiplex assays using commercial kits. HRs for CHD were estimated by conditional logistic regression analysis.

Results:

 

Median concentrations of total adiponectin, adipsin and resistin were similar in cases and in controls, whereas those of leptin and PAI-1 were higher in cases than in controls, 6.30 vs 5.40 ng ml-1, and 10.09 vs 8.48 IU ml-1, respectively. The risk of future CHD event increased with increasing quintiles of baseline leptin and PAI-1 concentrations only in unadjusted analysis (P-value for trend <0.003 and <0.0001, respectively). However, these associations were no longer significant after adjustment for usual CHD risk factors including hypertension, diabetes, smoking, total cholesterol, triglycerides and HDL cholesterol. Conversely, baseline CRP and IL-6 levels remained associated with CHD risk in multivariate analysis.

Conclusions:

 

In apparently healthy men, circulating total adiponectin, adipsin, resistin, leptin and PAI-1 were not independent predictors of future CHD event.

Keywords:

myocardial infarction, coronary heart disease, adipokine, CRP, epidemiology

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