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Vaccinations

Vaccinations

Drug Delivery: Miscellaneous Routes

Drug Delivery: Miscellaneous Routes

Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection, and rectal administration provide localized effects with reduced toxicity.
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
Transdermal patches transport drugs...

Drug Delivery: Parenteral Route

Drug Delivery: Parenteral Route

The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...

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Mannose in vaccine delivery.

Ummey Jannatun Nahar¹, Istvan Toth², Mariusz Skwarczynski¹

¹School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD 4072, Australia.

Journal of Controlled Release : Official Journal of the Controlled Release Society

|September 23, 2022

Summary

This summary is machine-generated.

Mannosylated vaccines enhance immune response by targeting mannose receptors on antigen-presenting cells (APCs). This review details mannosylation strategies, efficacy factors, and future directions for improved vaccine development.

Keywords:

Adjuvant Lectin receptor Mannose conjugation Mannose receptor Vaccine

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Area of Science:

Immunology
Vaccinology
Carbohydrate Chemistry

Background:

Adjuvants and vaccine delivery systems are crucial for enhancing vaccine efficacy.
Antigen-presenting cells (APCs) play a key role in initiating immune responses.
Carbohydrates, particularly mannose, are utilized to target APCs via specific receptors.

Purpose of the Study:

To review the role of mannose receptors in APCs.
To summarize strategies for producing mannosylated vaccines.
To discuss the efficacy and future directions of mannosylated vaccines.

Main Methods:

Literature review of immune system functions, focusing on mannose receptors.
Analysis of conjugation and formulation strategies for mannosylated vaccines.
Discussion of factors influencing mannosylated vaccine efficacy.

Main Results:

Mannose targeting enhances antigen delivery and uptake by APCs.
Vaccine efficacy is influenced by mannose ligand characteristics and administration route.
Mannosylation offers advantages but also presents challenges in vaccine design.

Conclusions:

Mannosylation is a promising strategy for developing effective vaccines.
Optimizing mannose ligand design and administration is key to maximizing efficacy.
Further research is needed to overcome limitations and advance mannosylated vaccine development.