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Virus-like particle production with yeast: ultrastructural and immunocytochemical insights into Pichia pastoris producing high levels of the hepatitis B surface antigen.
Lünsdorf, Heinrich Gurramkonda, Chandrasekhar Adnan, Ahmad Khanna, Navin Rinas, Ursula
Lünsdorf, Heinrich
Gurramkonda, Chandrasekhar
Adnan, Ahmad
Khanna, Navin
Rinas, Ursula
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2011-06-26
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Abstract
A protective immune response against Hepatitis B infection can be obtained through the administration of a single viral polypeptide, the Hepatitis B surface antigen (HBsAg). Thus, the Hepatitis B vaccine is generated through the utilization of recombinant DNA technology, preferentially by using yeast-based expression systems. However, the polypeptide needs to assemble into spherical particles, so-called virus-like particles (VLPs), to elicit the required protective immune response. So far, no clear evidence has been presented showing whether HBsAg assembles in vivo inside the yeast cell into VLPs or later in vitro during down-stream processing and purification.
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Virus-like particle production with yeast: ultrastructural and immunocytochemical insights into Pichia pastoris producing high levels of the hepatitis B surface antigen. 2011, 10:48 Microb. Cell Fact.
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en
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1475-2859