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Apolipoprotein J and leptin levels in patients with coronary heart disease

Maria V Poulakou1, Kosmas I Paraskevas, Mark R Wilson

  • 1Department of Experimental Surgery and Surgical Research N.S. Christeas, Medical School, National and Kapodistrian University of Athens, Athens, Greece.

In Vivo (Athens, Greece)
|August 21, 2008
PubMed

Insights

Elevated apolipoprotein J (ApoJ) and lower leptin levels are associated with coronary heart disease (CHD). These findings suggest ApoJ and leptin may serve as important biomarkers for cardiovascular risk.

Area of Science:

  • Cardiovascular Research
  • Biomarker Discovery
  • Endocrinology

Background:

  • Preliminary evidence suggests apolipoprotein J (ApoJ) involvement in atherosclerosis development.
  • Leptin, a hormone from adipose tissue, has known cardiovascular effects.
  • The relationship between ApoJ, leptin, and coronary heart disease (CHD) requires further investigation.

Purpose of the Study:

  • To assess the association between serum apolipoprotein J (ApoJ) and leptin concentrations in patients with established or suspected coronary heart disease (CHD).

Main Methods:

  • Serum ApoJ and leptin levels were measured in 67 patients undergoing coronary angiography.
  • Patients were categorized based on the presence (significant coronary artery stenosis, >=50%) or absence of coronary artery stenosis.

Main Results:

  • Significantly higher serum ApoJ concentrations were observed in patients with significant coronary artery stenosis compared to those without (303.9 vs. 121.2 microg/mL, p<0.001).
  • Conversely, serum leptin levels were significantly lower in patients with significant coronary artery stenosis (8.6 vs. 20.6 ng/mL, p=0.016).
  • A significant negative correlation was found between ApoJ and leptin levels (r=-0.353, p=0.003).

Conclusions:

  • Apolipoprotein J (ApoJ) and leptin may function as potential biomarkers for coronary heart disease (CHD).
  • Further research is warranted to elucidate the specific roles of ApoJ and leptin in CHD pathogenesis.
Abstract

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