Microfluidic Production and Application of Lipid Nanoparticles for Nucleic Acid Transfection

Area of Science:

• Biotechnology
• Nanomedicine
• Molecular Biology

Background:

• Lipid nanoparticles (LNPs) are key for delivering nucleic acids in biopharmaceutical applications.
• Current LNP formulations are in clinical trials for therapeutic development.
• LNPs offer advantages for both therapeutic applications and basic research.

Purpose of the Study:

• To describe a microfluidic method for preparing lipid nanoparticles (LNPs).
• To demonstrate LNP preparation for siRNA, mRNA, and plasmid delivery.
• To provide guidelines for applying LNPs in cell culture.

Main Methods:

• Utilized a commercially available microfluidic instrument for LNP preparation.
• Employed an accompanying transfection kit for LNP formulation.
• Scaled down LNP preparations for cell culture applications.

Main Results:

• Successfully prepared LNPs loaded with siRNA, mRNA, and plasmids.
• Maintained LNP particle characteristics suitable for genetic medicine development.
• Demonstrated scalability from cell culture to in vivo models.

Conclusions:

• The described microfluidic method provides a scalable approach for LNP preparation.
• This method conserves expensive nucleic acids while ensuring LNP efficacy.
• LNPs prepared via this method are suitable for diverse research and therapeutic applications.