mRNA Vaccine Nanoplatforms and Innate Immunity.

Viruses

Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA.

Published: January 2024

AI Article Synopsis

  • mRNA vaccine technology has seen significant advancements, particularly with the authorization of COVID-19 vaccines, utilizing nano-scale biomaterials as delivery platforms.
  • The impact of these mRNA nanoplatforms on immune responses is still not fully understood, prompting a review of their effects on both innate and adaptive immunity.
  • Additionally, while mRNA vaccines have inherent adjuvant properties, the use of supplemental adjuvants may be necessary to better regulate immune responses.

Article Abstract

mRNA-based vaccine technology has been significantly developed and enhanced, particularly highlighted by the authorization of mRNA vaccines for addressing the COVID-19 pandemic. Various biomaterials are developed in nano-scales and applied as mRNA vaccine delivery platforms. However, how these mRNA nanoplatforms influence immune responses has not been thoroughly studied. Hence, we have reviewed the current understanding of various mRNA vaccine platforms. We discussed the possible pathways through which these platforms moderate the host's innate immunity and contribute to the development of adaptive immunity. We shed light on their development in reducing biotoxicity and enhancing antigen delivery efficiency. Beyond the built-in adjuvanticity of mRNA vaccines, we propose that supplementary adjuvants may be required to fine-tune and precisely control innate immunity and subsequent adaptive immune responses.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10820759PMC
http://dx.doi.org/10.3390/v16010120DOI Listing

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