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Published on: January 17, 2015
Probing the Antigenicity of HCV Envelope Glycoproteins by Phage Display Antibody Technology
Erick Giang1, Fernando Aleman1,2, Mansun Law3
1Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA.
Abstract:
The envelope glycoproteins E1 and E2 of hepatitis C virus form a heterodimeric complex on the viral surface. They are the targets of neutralizing antibodies and are being investigated as potential vaccine antigens. Because of the high level of cysteine residues and N-glycosylation sites in the polypeptide sequences, it is technically challenging to produce pure, folded recombinant E1, E2, and E1E2 complex for downstream analysis. In this chapter, the methods we used to isolate a panel of human antibodies specific to diverse antigenic regions on the glycoproteins are discussed. The antibodies have been found to be valuable reagents for the study of HCV envelope glycoproteins, including the determination of the first E2 core domain structure.
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