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Updated: May 7, 2025

Using Lipid Nanoparticles for the Delivery of Chemically Modified mRNA into Mammalian Cells

Using Lipid Nanoparticles for the Delivery of Chemically Modified mRNA into Mammalian Cells

Published on: June 10, 2022

Nonviral targeted mRNA delivery: principles, progresses, and challenges.

Xi He^1,2, Guohong Li¹, Letao Huang¹

¹Department of Critical Care Medicine State Key Laboratory of Biotherapy West China Hospital Sichuan University Chengdu Sichuan China.

|January 6, 2025

Summary

Messenger RNA (mRNA) therapeutics show promise but face delivery challenges. This review explores advanced delivery systems designed to overcome barriers, improve transfection efficiency, and enhance targeted distribution for better therapeutic outcomes.

Keywords:

delivery obstacles mRNA therapeutics nonviral delivery targeted delivery systems

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Area of Science:

Biotechnology and Pharmaceutical Sciences
Molecular and Cellular Biology
Drug Delivery Systems

Background:

Messenger RNA (mRNA) therapeutics offer significant therapeutic potential, evidenced by approved COVID-19 and RSV vaccines.
mRNA's inherent instability and negative charge necessitate sophisticated delivery systems for effective intracellular delivery and protein expression.
Current mRNA delivery systems face challenges in transfection efficiency and targeted biodistribution.

Purpose of the Study:

To review physiological barriers encountered during mRNA delivery.
To discuss design strategies and recent advancements in mRNA delivery systems, focusing on tissue/cell-targeting capabilities.
To identify existing challenges and future research directions for efficient mRNA delivery systems.

Main Methods:

Comprehensive literature review of physiological barriers in mRNA delivery.
Analysis of design approaches and recent innovations in mRNA delivery systems.
Emphasis on strategies for achieving targeted delivery to specific tissues or cells.

Main Results:

Detailed description of physiological barriers impacting mRNA delivery efficiency.
Overview of various advanced mRNA delivery systems and their targeting abilities.
Identification of key challenges, including transfection efficiency and biodistribution.

Conclusions:

High-precision targeted delivery systems are crucial for improving the therapeutic efficacy and safety of mRNA therapeutics.
Advancements in delivery systems can accelerate the clinical translation of mRNA-based therapies.
This review provides insights and guidance for designing next-generation mRNA delivery systems.