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Synthesis and Characterization of mRNA-Loaded Poly(Beta Aminoesters) Nanoparticles for Vaccination Purposes

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Nanotechnology in vaccine delivery.

Laura J Peek¹, C Russell Middaugh, Cory Berkland

¹Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047 USA.

Advanced Drug Delivery Reviews

|March 8, 2008

Summary

Novel nanoscale vaccine adjuvants and delivery systems are crucial for eliciting robust humoral, cellular, and mucosal immunity against infections like HIV and malaria. Clinical trials show promise for various platforms, including viral vectors and nanoparticles.

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Whole-animal Imaging and Flow Cytometric Techniques for Analysis of Antigen-specific CD8+ T Cell Responses after Nanoparticle Vaccination

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Published on: April 29, 2015

Area of Science:

Vaccinology
Immunology
Nanotechnology

Background:

Limited availability of effective vaccine adjuvants and delivery vehicles hinders development of vaccines against viral and parasitic diseases.
Novel immunopotentiators are needed to induce humoral, cellular, and mucosal immunity for diseases like hepatitis, HIV, malaria, and cancer.

Purpose of the Study:

To review clinical trial results for nanoscale (<1000 nm) vaccine adjuvants and delivery vehicles.
To assess their ability to elicit humoral, cellular, and mucosal immune responses.

Main Methods:

Review of clinical trial data for various vaccine adjuvants and delivery platforms.
Analysis of immune responses, including humoral, cellular (cytotoxic T cells, Th1), and mucosal immunity.
Evaluation of alternative administration routes (intranasal, oral).

Main Results:

Most adjuvants and delivery platforms induced humoral immune responses.
Viral vectors, ISCOMs, and Montanide ISA 51/720 demonstrated cytotoxic T cell responses.
MF59 and MPL elicited Th1 responses; virus-like particles, nanoparticles, and liposomes generated cellular immunity.
Successful intranasal delivery of viral vectors and proteosomes, and oral delivery of virus-like particle vaccines were reported.

Conclusions:

Nanoscale vaccine adjuvants and delivery systems show significant potential for inducing diverse immune responses.
Several platforms are progressing in clinical trials, offering new avenues for vaccines against challenging infectious diseases.
Alternative delivery routes like intranasal and oral administration are feasible and successful for specific vaccine components.