title: Biological activity of hepatitis B antigens in cell culture.
abstract: Direct interference by purified hepatitis B surface antigen or virus particles was not demonstrated in tissue culture. Significant levels of interferon were not induced. The surface antigen did not block the adsorption of other viruses.
mesh_terms: D000327:Adsorption; D000818:Animals; D002460:Cell Line; D003588:Cytopathogenic Effect, Viral; D006511:Hepatitis B Antigens; D006515:Hepatitis B virus / Q000254:growth & development*; D006524:Hepatitis, Viral, Animal / Q000276:immunology*; D006801:Humans; D007372:Interferons / Q000096:biosynthesis; D002679:Pan troglodytes; D012845:Sindbis Virus / Q000254:growth & development; D014762:Viral Interference
chemical_list: D006511:Hepatitis B Antigens; D007372:Interferons