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Recent Development and Future Prospects of Plant-Based Vaccines

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Background: Growing world population and continuous disease emergence have invited the development of more efficient new vaccines against a range of diseases. Conventional vaccines are being wildly used in the world but their production requires higher cost, more time and better infrastructure. Thus, the idea of plant-based edible vaccine technology has emerged and showed promising results with strong and effective protection against many diseases. Plants have been utilized since more than two decades as pharmaceuticals against many diseases.

Methods: Plant-based technology has great potential to express genes and produce clinically important compounds in the desired tissue. Plant biotechnology has played important role in the production of pharmaceutical compounds like vaccines, antibodies, antigens, sub-units, growth hormones and enzymes by utilizing genetic modification. It has also been opened a new approach for developing an edible vaccine as an oral delivery.

Results: Edible vaccines have been shown to induce both mucosal as well as systemic immunity. Currently, many pharmaceuticals proteins as an edible vaccine have been developed in different plant expression systems and evaluated against various life-threatening diseases and some of them have reached advanced phase of the clinical trial and exhibited promising results.

Conclusion: In this review, we have discussed about the molecular pharming, edible vaccines, plant base technology and current status of developed edible vaccines in the different plant tissue expression system, mechanism of action and clinical applications with clinical trials stage, significance, requirements, advantage and disadvantage of edible vaccines.
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Keywords: Plant-based edible vaccine; human health; immune response; infectious agents; molecular farming; transgenic plant

Document Type: Review Article

Publication date: September 1, 2017

This article was made available online on July 25, 2017 as a Fast Track article with title: "Edible Vaccine: Current Status and Future Perspectives".

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  • Current Drug Metabolism aims to cover all the latest and outstanding developments in drug metabolism and disposition. The journal serves as an international forum for the publication of timely reviews in drug metabolism. Current Drug Metabolism is an essential journal for academic, clinical, government and pharmaceutical scientists who wish to be kept informed and up-to-date with the latest and most important developments. The journal covers the following areas:

    In vitro systems including CYP-450; enzyme induction and inhibition; drug-drug interactions and enzyme kinetics; pharmacokinetics, toxicokinetics, species scaling and extrapolations; P-glycoprotein and transport carriers; target organ toxicity and interindividual variability; drug metabolism and disposition studies; extrahepatic metabolism; phase I and phase II metabolism; recent developments for the identification of drug metabolites and adducts.
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