1887

Abstract

A recombinant vaccinia virus containing most of the P1 region of hepatitis A virus (HAV) was constructed. Cell lysates of cultures infected with the virus contained HAV proteins detectable by radioimmunoassay. Western blot analysis revealed the presence of a single protein of 60K to 62K, bearing epitopes from structural polypeptides VP4, -3 and -2, and the N terminus of VP1. The size of the protein suggests that at least some of the vaccinia virus thymidine kinase is also expressed. Inoculation of tamarin monkeys with the recombinant virus resulted in the development of a specific anti-HAV immune response which was protective against challenge with a virulent strain of HAV. Recombinant viruses expressing the above region of HAV or the proteins expressed by such viruses may be useful in the development of a vaccine suitable for use in man.

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/content/journal/jgv/10.1099/0022-1317-72-9-2167
1991-09-01
2019-10-22
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-72-9-2167
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