Expert opinion on drug discoveryJun 1, 2021

Designing mRNA Treatments and Vaccines Using Logical Planning

mRNA Technology Weekly Brief ↗PubMed ↗DOI ↗

Updated Mar 16, 2026

Abstract

Recent advances in mRNA modifications may enhance stability and translation efficiency for therapeutic applications.

Modifications to mRNA can help regulate its immune response and improve safety.
Optimizing the untranslated regions and codon usage may lead to better performance of mRNA constructs.
Chemical alterations to nucleotides and the 5' cap are associated with increased stability and delivery efficiency.
Tailoring design parameters specifically for each mRNA sequence and application could improve therapeutic outcomes.
Progress in mRNA design and delivery technologies is likely necessary for targeting specific cell types and organs.

Simplified

INTRODUCTION: Messenger RNA (mRNA)-based therapeutics and vaccines have emerged as a disruptive new drug class for various applications, including regenerative medicine, cancer treatment, and prophylactic and therapeutic vaccinations.

AREAS COVERED: This review provides an update about the rational structure-based design of various formats of mRNA-based therapeutics. The authors discuss the recent advances in the mRNA modifications that have been used to enhance stability, promote translation efficiency and regulate immunogenicity for specific applications.

EXPERT OPINION: Extensive research efforts have been made to optimize mRNA constructs and preparation procedures to unleash the full potential of mRNA-based therapeutics and vaccines. Sequence optimization (untranslated region and codon usage), chemical engineering of nucleotides and modified 5'cap, and optimization oftranscription and mRNA purification protocols have overcome the major obstacles (instability, delivery, immunogenicity and safety) hindering the clinical applications of mRNA therapeutics and vaccines. The optimized design parameters should not be applied as default to different biological systems, but rather individually optimized for each mRNA sequence and intended application. Further advancement in the mRNA design and delivery technologies for achieving cell type- and organ site-specificity will broaden the scope and usefulness of this new class of drugs. in vitro

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Designing mRNA Treatments and Vaccines Using Logical Planning

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