Abstract:
:Edible vaccines that can be made widely available and easily administered could bring great benefit to the worldwide battle against pandemic viral infections. They can be used not only for the vaccination of humans and domesticated animals, but also for wild herds and live stock which are otherwise difficult to vaccinate. In this study, we report the development of an edible mini-capsule form of live, non-persisting, recombinant Lactococcus lactis (L. lactis) vaccine against the highly virulent influenza H5N1 strain. Recombinant L. lactis-based H5N1 HA antigen expression constructs were made and shown to be able to induce higher levels of HA-specific serum IgG and fecal IgA antibody production after oral administration. The vectors were then formulated into a mini-capsule dosage form and fed to mouse. Four doses of oral administration rendered complete protection of the mouse against lethal challenges of H5N1 virus.
journal_name
Virologyjournal_title
Virologyauthors
Lei H,Xu Y,Chen J,Wei X,Lam DMdoi
10.1016/j.virol.2010.08.007subject
Has Abstractpub_date
2010-11-25 00:00:00pages
319-24issue
2eissn
0042-6822issn
1096-0341pii
S0042-6822(10)00524-6journal_volume
407pub_type
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