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HDL metabolism and atherosclerosis
1Institut für Klinische Chemie und Laboratoriumsmedizin, Westfälische Wilhelms-Universität Münster, F.R.G.
Journal of Cardiovascular Pharmacology
|January 1, 1990
Summary
Low high-density lipoprotein (HDL) cholesterol is linked to atherosclerosis. Studies show HDL cholesterol is a key predictor of cardiovascular disease, highlighting its role in reverse cholesterol transport and potential genetic links to deficiencies.
Area of Science:
- Cardiovascular Epidemiology
- Biochemistry
- Genetics
Background:
- Epidemiologic studies reveal a strong association between low high-density lipoprotein (HDL) cholesterol and atherosclerosis development.
- The Prospective Cardiovascular Münster (PROCAM) study identified HDL cholesterol as the most potent single predictor of cardiovascular events.
Purpose of the Study:
- To explore the role of HDL cholesterol in atherosclerosis.
- To elucidate the mechanisms of reverse cholesterol transport mediated by HDL.
Main Methods:
- Analysis of data from epidemiologic studies, including PROCAM and the Helsinki Heart Study.
- Investigation of HDL cholesterol concentrations in coronary artery disease (CAD) patients versus controls.
- Examination of cellular mechanisms for cholesterol uptake and hepatic targeting by HDL.
Main Results:
- HDL cholesterol is a significant predictor of CAD, contributing substantially to predictive algorithms.
- Gemfibrozil, an HDL-increasing drug, reduced CAD incidence in the Helsinki Heart Study.
- Significant differences in HDL cholesterol levels exist between CAD patients and controls, increasing with age.
Conclusions:
- Low HDL cholesterol is a critical factor in atherosclerosis.
- HDL cholesterol plays a vital role in reverse cholesterol transport, facilitating cellular cholesterol disposal.
- Understanding HDL mechanisms may identify candidate genes for HDL deficiencies.