Related Experiment Video
Updated: Nov 22, 2025

10:16
Efficient Transfection of In vitro Transcribed mRNA in Cultured Cells Using Peptide-Poloxamine Nanoparticles
Published on: August 17, 2022
3.6K
RNA Vaccines: A Suitable Platform for Tackling Emerging Pandemics?
Jonas B Sandbrink1, Robin J Shattock2
1Medical School, Medical Sciences Division, University of Oxford, Oxford, United Kingdom.
Frontiers in Immunology
|January 8, 2021
Summary
Rapid RNA vaccine development offers a potential solution for future pandemics. These vaccines show promise for fast production, safety, and efficacy, though further optimization is needed.
Area of Science:
- Vaccinology
- Molecular Biology
- Infectious Diseases
Background:
- Pandemics caused by novel pathogens pose a significant global threat.
- Current vaccine development timelines are insufficient for controlling emerging pandemics.
- RNA-based vaccines present a promising alternative due to their potential for rapid development and production.
Purpose of the Study:
- To evaluate the suitability of RNA-based vaccines for combating emerging pandemics.
- To explore the potential of messenger RNA (mRNA) and self-amplifying RNA (saRNA) vaccine technologies.
Main Methods:
- Review of theoretical properties and early clinical trial data of RNA vaccines.
- Assessment of mRNA in vitro transcription for manufacturing scalability and cost-effectiveness.
- Consideration of RNA vaccine modification and formulation strategies.
Main Results:
- RNA vaccines offer theoretical advantages in speed, scalability, and cost for manufacturing.
- Early clinical trials indicate acceptable tolerability and promising immunogenicity for SARS-CoV-2 mRNA vaccines.
- Optimization of cellular immunity induction and formulation may enable single-dose regimens.
Conclusions:
- RNA-based vaccines demonstrate significant potential for rapid response to emerging pandemics.
- Further research and clinical trials are crucial to confirm the efficacy of RNA vaccines.
- Self-amplifying RNA vaccines may offer enhanced potency at lower doses and reduced manufacturing costs.
Related Concept Videos
Microorganisms in Medicine and Therapeutics
676
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
676
Vaccinations
49.3K
Overview
49.3K
Cancer Vaccines
628
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
628
Viral Recombination
24.4K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
24.4K
Viral Mutations
37.8K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
37.8K
Viruses with RNA Genomes
422
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
422

