Issue 24, 2024

Rational design of polymer-based mRNA delivery systems for cancer treatment

Abstract

Messenger RNA (mRNA)-based cancer therapeutics have shown great promise in cancer prevention and treatment, such as mRNA cancer vaccines and protein replacement therapeutics. The key to mRNA cancer therapeutics is to develop safe and effective delivery systems that can efficiently encapsulate mRNA, protect them from degradation, selectively target specific tissues, facilitate cellular uptake and endosomal escape, and ultimately release them into the cytoplasm for protein expression. Polymer-based mRNA delivery systems have received increasing attention for cancer therapy due to their virtues of customizable chemical structures, easy functionalization, and controllable stability, allowing the overcoming of tumor delivery barriers and enhancing therapeutic efficacy. This review introduces the characteristics and applications of mRNA therapeutics, the principles, and classification of polymer-based mRNA delivery systems, and summarizes several advanced mRNA delivery strategies to realize cancer-selective and intracellular delivery, organ-targeted delivery, and tissue-penetrating delivery. The review aims to provide guidance for the design of future polymer-based cancer mRNA delivery systems.

Graphical abstract: Rational design of polymer-based mRNA delivery systems for cancer treatment

Article information

Article type
Review Article
Submitted
23 Kol 2024
Accepted
13 Mot 2024
First published
21 Mot 2024

Polym. Chem., 2024,15, 2437-2456

Rational design of polymer-based mRNA delivery systems for cancer treatment

Q. Wan, Y. Sun, X. Sun and Z. Zhou, Polym. Chem., 2024, 15, 2437 DOI: 10.1039/D4PY00206G

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