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Biochem Biophys Res Commun. 1987 Dec 31;149(3):1172-8.

Properties of recombinant hepatitis B vaccine.

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  • 1Central Research Laboratories, Green Cross Corporation, Osaka, Japan.


A large-scale purification method for hepatitis B surface antigen produced in a recombinant yeast (Saccharomyces cerevisiae) was established. The resulting HBsAg was greater than 99% pure and suitable for vaccine use. The yeast-derived HBsAg was structurally and biochemically similar to plasma-derived HBsAg. The anti-HBs antibody producing potency of the yeast-derived vaccine in mice was significantly higher than that of the plasma-derived vaccine. The yeast-derived vaccine induced protective antibody against hepatitis B virus of either adr or ayw subtype in a chimpanzee efficacy study. These observations demonstrate the usefulness of the yeast-derived vaccine as a second-generation hepatitis B vaccine.

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