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Cholesterol: Can't Live With It, Can't Live Without It
Henry J Pownall1, Antonio M Gotto1
1HOUSTON METHODIST RESEARCH INSTITUTE, HOUSTON, TEXAS; WEILL CORNELL MEDICINE, NEW YORK, NEW YORK.
Methodist Debakey Cardiovascular Journal
|May 4, 2019
Summary
High HDL-C levels may not protect against cardiovascular disease. New research suggests both low and high levels of high-density lipoprotein cholesterol (HDL-C) increase atherosclerotic cardiovascular disease risk.
Area of Science:
- Biochemistry
- Cardiovascular Medicine
- Lipid Metabolism
Background:
- Cholesterol is vital for biochemical processes and steroidogenesis.
- High-density lipoprotein cholesterol (HDL-C) is traditionally viewed as atheroprotective.
- Low and high HDL-C levels are increasingly linked to atherosclerotic cardiovascular disease (ASCVD) risk.
Purpose of the Study:
- To review the evolving understanding of cholesterol research.
- To examine the role of HDL-C in cardiovascular health.
- To discuss advancements in lipid-lowering therapies and reverse cholesterol transport.
Main Methods:
- Literature review of historical and recent studies.
- Analysis of research on cholesterol metabolism and transport.
- Examination of epidemiological data and clinical trial outcomes.
Main Results:
- Traditional views on HDL-C's atheroprotective role are being challenged.
- Both low and high plasma HDL-C concentrations are associated with increased ASCVD risk.
- The established mechanisms of reverse cholesterol transport are under scrutiny.
Conclusions:
- Cholesterol research is dynamic, with new findings reshaping established concepts.
- The relationship between HDL-C levels and ASCVD risk is complex and requires further investigation.
- Re-evaluation of reverse cholesterol transport mechanisms is crucial for understanding HDL cardioprotection.