Cited by 263Lipoproteins and Cardiovascular HealthLipid metabolism and disordersCholesterol and Lipid Metabolism

The DOI matches its Crossref record; 53 of the 54 references it cites were found in a registry or an index.

Evidence for a New Pathophysiological Mechanism for Coronary Artery Disease Regression: Hepatic Lipase–Mediated Changes in LDL Density

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Abstract

BACKGROUND: Small, dense LDL particles are associated with coronary artery disease (CAD) and predict angiographic changes in response to lipid-lowering therapy. Intensive lipid-lowering therapy in the Familial Atherosclerosis Treatment Study (FATS) resulted in significant improvement in CAD. This study examines the relationship among LDL density, hepatic lipase (HL), and CAD progression, identifying a new biological mechanism for the favorable effects of lipid-altering therapy. METHODS AND RESULTS: Eighty-eight of the subjects in FATS with documented coronary disease, apolipoprotein B levels >/=125 mg/dL, and family history of CAD were selected for this study. They were randomly assigned to receive lovastatin (40 mg/d) and colestipol (30 g/d), niacin (4 g/d) and colestipol, or conventional therapy with placebo alone or with colestipol in those with elevated LDL cholesterol levels. Plasma hepatic lipase (HL), lipoprotein lipase, and LDL density were measured when subjects were and were not receiving lipid-lowering therapy. LDL buoyancy increased with lovastatin-colestipol therapy (7.7%; P<0.01) and niacin-colestipol therapy (10.3%; P<0.01), whereas HL decreased in both groups (-14% [P<0.01] and -17% [P<0.01] with lovastatin-colestipol and niacin-colestipol, respectively). Changes in LDL buoyancy and HL activity were associated with changes in disease severity (P<0.001). In a multivariate analysis, an increase in LDL buoyancy was most strongly associated with CAD regression, accounting for 37% of the variance of change in coronary stenosis (P<0.01), followed by reduction in apolipoprotein Bl (5% of variance; P<0.05). CONCLUSIONS: These studies support the hypothesis that therapy-associated changes in HL alter LDL density, which favorably influences CAD progression. This is a new and potentially clinically relevant mechanism linking lipid-altering therapy to CAD improvement.

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Metadata

Authors
Zambon, A., Hokanson, J. E., Brown, B. G., & Brunzell, J. D.
Affiliations
University of Washington (US)
Venue
Circulation
Published
1999-04-20
Volume
99
Issue
15
Pages
1959-1964
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W1999551921
Cited by
263
References
54
Citations by year
2022: 3 · 2021: 1 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 3 · 2015: 5 · 2014: 4 · 2013: 8 · 2012: 6
FWCI
22.45
Type
journal article
Language
en
Open access
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, other-oa)
Funders
  • American Heart Association
  • National Institutes of Health (5r01hl019451-14, DK35816, 1r01hl042419-01)
  • National Heart, Lung, and Blood Institute (HL-42419, P01HL030086, HL3-0086, HL19451)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipoproteins and Cardiovascular Health
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Cholesterol and Lipid Metabolism
Keywords
hepatic lipase, lipid-lowering therapy, lovastatin, nicotinic acid, colestipol, apolipoprotein B, coronary artery stenosis, lipoprotein lipase
MeSH terms
Aged, Anticholesteremic Agents, Hypolipidemic Agents, Apolipoproteins B, Centrifugation, Density Gradient, Chemistry, Physical, Colestipol, Combined Modality Therapy, Coronary Artery Disease, Drug Therapy, Combination, Humans, Lipase, Lipids, Lipolysis, Lipoproteins, Cholesterol, LDL, Liver, Lovastatin, Male, Middle Aged, Niacin, Chemical Phenomena

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