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Liquid Core Nanoparticle with High Deformability Enables Efficient Penetration across Biological Barriers
Chun Wang1, Jian Xiao1, Xinyue Hu2
1State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China.
Advanced Healthcare Materials
|November 9, 2022
Summary
Newly developed liquid core nanoparticles (LCNs) demonstrate remarkable deformability, enabling effective drug delivery across challenging biological barriers like tumors and the blood-brain barrier.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Drug Delivery
Background:
- Biological barriers impede drug delivery system efficiency, leading to suboptimal therapeutic outcomes.
- Mechanical properties, particularly deformability, are critical for optimizing drug penetration but are often overlooked.
- Current drug delivery systems struggle to overcome physiological barriers effectively.
Purpose of the Study:
- To develop a novel nanoparticle with enhanced mechanical properties for improved biological barrier penetration.
- To investigate the potential of liquid core nanoparticles (LCNs) as a versatile drug delivery platform.
- To demonstrate the efficacy of LCNs in penetrating various biological barriers and delivering therapeutic agents.
Main Methods:
- Fabrication of liquid core nanoparticles (LCNs) using a polymer-encapsulated edible oil droplet structure.
- Characterization of LCN mechanical properties, focusing on deformability and softness.
- In vitro and in vivo assessments of LCN penetration capabilities across biological barriers (tumor tissue, blood-brain barrier, mucus, biofilms).
- Loading and release studies of various clinical drugs within the LCN system.
Main Results:
- LCNs exhibit high mechanical softness and deformability due to their unique liquid oil core and cross-linked polymer shell.
- Demonstrated effective penetration of LCNs through deep tumor tissues, blood-brain barriers, mucus layers, and bacterial biofilms.
- Successful loading and controlled release of multiple clinical drugs, confirming their potential as a drug delivery vehicle.
- LCNs show significant promise in overcoming biological barriers that limit conventional drug delivery.
Conclusions:
- Liquid core nanoparticles (LCNs) represent a promising new platform for drug delivery, overcoming limitations imposed by biological barriers.
- The high deformability of LCNs is a key factor enabling efficient penetration of challenging physiological environments.
- LCNs offer a potential solution for diseases requiring improved drug penetration and targeted delivery.
