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Structural and metabolic consequences of liposome-lipoprotein interactions
Williams1, Phillips, Rodrigueza
1Department of Biochemistry, Allegheny University of the Health Sciences, MCPdiamondHahnemann University School of Medicine, 2900 Queen Lane, Philadelphia, PA 1912, USA
Advanced Drug Delivery Reviews
|June 6, 2000
Summary
Liposomes used for drug delivery or cholesterol mobilization interact with lipoproteins. Strategies like membrane stiffening can control liposome stability and drug release for therapeutic applications.
Area of Science:
- Biochemistry
- Nanotechnology
- Pharmacology
Background:
- Liposomes have two main applications: drug delivery and cholesterol mobilization.
- Liposome structure significantly impacts interactions with lipoproteins and apolipoproteins.
Purpose of the Study:
- To explore how lipoproteins and apolipoproteins affect liposome structure and content leakage.
- To discuss strategies for controlling liposome stability and half-life for therapeutic use.
Main Methods:
- Analysis of lipoprotein-induced disc formation and liposome content leakage.
- Evaluation of receptor-mediated whole-particle uptake mechanisms.
- Review of strategies for enhancing liposome stability and controlling circulation time.
Main Results:
- Lipoproteins can disrupt liposome membranes, causing content release via disc formation.
- Liposomes are recognized for uptake by lipoprotein metabolism receptors.
- Strategies like membrane stiffening and surface shielding improve liposome stability.
Conclusions:
- Liposome design must consider lipoprotein interactions for effective drug delivery and anti-atherogenic therapies.
- Controlling liposome stability is crucial for both drug delivery vehicles and cholesterol-lowering particles.
- Further research is needed to optimize liposome strategies for clinical applications.