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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pniewski, Tomasz Kapusta, Józef Bociąg, Piotr Wojciechowicz, Jacek Kostrzak, Anna Gdula, Michał Fedorowicz Strońska, Olga Wójcik, Piotr Otta, Halina Samardakiewicz, Sławomir Wolko, Bogdan Płucienniczak, Andrzej |
| Copyright Year | 2010 |
| Abstract | Efficient immunization against hepatitis B virus (HBV) and other pathogens with plant-based oral vaccines requires appropriate plant expressors and the optimization of vaccine compositions and administration protocols. Previous immunization studies were mainly based on a combination of the injection of a small surface antigen of HBV (S-HBsAg) and the feeding with raw tissue containing the antigen, supplemented with an adjuvant, and coming from plants conferring resistance to kanamycin. The objective of this study was to develop a prototype oral vaccine formula suitable for human immunization. Herbicide-resistant lettuce was engineered, stably expressing through progeny generation micrograms of S-HBsAg per g of fresh weight and formed into virus-like particles (VLPs). Lyophilized tissue containing a relatively low, 100-ng VLP-assembled antigen dose, administered only orally to mice with a long, 60-day interval between prime and boost immunizations and without exogenous adjuvant, elicited mucosal and systemic humoral anti-HBs responses at the nominally protective level. Lyophilized tissue was converted into tablets, which preserved S-HBsAg content for at least one year of room temperature storage. The results of the study provide indications on immunization methodology using a durable, efficacious, and convenient plant-derived prototype oral vaccine against hepatitis B. |
| Starting Page | 125 |
| Ending Page | 136 |
| Page Count | 12 |
| File Format | |
| ISSN | 12341983 |
| Journal | Journal of Applied Genetics |
| Volume Number | 52 |
| Issue Number | 2 |
| e-ISSN | 21903883 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2010-11-23 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Anti-HBV oral vaccine Lyophilized plant tissue Oral immunization Plant-based vaccines S-HBsAg Transgenic lettuce Animal Genetics and Genomics Microbial Genetics and Genomics Plant Genetics & Genomics Life Sciences Human Genetics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine |
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