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Updated: Aug 5, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
Therapeutic modulation of low-density lipoprotein size
1Lipid Laboratory, Cape Heart Centre and MRC Cape Heart Group, University of Cape Town Health Sciences Faculty, Anzio Road, Observatory 7925, South Africa. dmarais@uctgsh1.uct.ac.za
Small, dense low-density lipoprotein (LDL) particles are linked to atherosclerosis and are an autosomal dominant trait. While lifestyle and drug interventions may alter LDL size, clinical benefits remain unproven.
Area of Science:
- Cardiovascular Science
- Metabolic Health
- Genetics
Background:
- Small, dense LDL particles are associated with atherosclerosis.
- This condition affects about 20% of adults, often alongside other risk factors.
- Recent studies highlight its genetic basis and links to metabolic issues.
Purpose of the Study:
- To review the current understanding of small, dense LDL particles.
- To explore their genetic determinants and associations with metabolic syndrome components.
- To assess the potential impact of interventions on LDL particle size and clinical outcomes.
Main Methods:
- Review of recent scientific literature and studies.
- Analysis of genetic and phenotypic data related to LDL particle size.
- Evaluation of evidence for lifestyle and pharmacological interventions.
Main Results:
- Small, dense LDL is confirmed as an autosomal dominant trait.
- Key influencing factors include hypertriglyceridemia, obesity, insulin resistance, and diabetes mellitus.
- Compositional and functional differences in small LDL are noted.
- Emerging evidence suggests interventions can modulate LDL size, but clinical benefit is not yet established.
Conclusions:
- Small, dense LDL particles represent a significant risk factor for atherosclerosis with a strong genetic component.
- Further research is needed to confirm the clinical utility of interventions targeting LDL particle size.
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Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Bioavailability Enhancement: Drug Permeability Enhancement
Dosage Regimen: Individualization
Therapeutic Drug Monitoring: Affecting Factors
Modified-Release Drug Delivery Systems: Influencing Factors
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