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Evaluation of Polymeric Gene Delivery Nanoparticles by Nanoparticle Tracking Analysis and High-throughput Flow Cytometry
Published on: March 1, 2013
Development and characterization of pectinate micro/nanoparticles for gene delivery
Praneet Opanasopit1, Auayporn Apirakaramwong, Tanasait Ngawhirunpat
1Nanotechnology for Drug/Gene Delivery Systems Group, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, Thailand. praneet@email.pharm.su.ac.th
AAPS Pharmscitech
|May 1, 2008
Summary
Pectinate micro/nanoparticles show potential as safe gene delivery carriers. Researchers optimized their preparation and found they have low cytotoxicity, making them promising for gene therapy applications.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Gene Therapy
Background:
- Gene delivery systems are crucial for therapeutic applications.
- Developing safe and efficient non-viral vectors remains a challenge.
- Pectinate materials offer potential biocompatibility and biodegradability.
Purpose of the Study:
- To explore pectinate micro/nanoparticles as novel gene delivery vehicles.
- To investigate factors influencing pectinate nanoparticle formation and DNA loading.
- To evaluate the transfection efficiency and cytotoxicity of pectinate nanoparticles.
Main Methods:
- Pectinate micro/nanoparticles were synthesized using ionotropic gelation.
- Particle size, charge, and DNA incorporation efficiency were assessed.
- Transfection efficiency and cytotoxicity were evaluated in Huh7 cells.
Main Results:
- Particle size was influenced by pectin and cation concentrations and type.
- Calcium pectinate particles were larger than magnesium and manganese pectinate particles.
- Ca-pectinate nanoparticles exhibited higher DNA loading capacity than Mg-pectinate nanoparticles.
- Both Ca- and Mg-pectinate nanoparticles showed low transfection efficiency and negligible cytotoxicity.
Conclusions:
- Pectinate micro/nanoparticles are viable candidates for gene delivery.
- Optimization of cation type and concentration is key for DNA loading.
- Low cytotoxicity suggests potential for safe in vivo applications.
- Further research is needed to enhance transfection efficiency.
