Mouse monoclonal antibodies to hepatitis B virus preS1 produced after immunization with recombinant preS1 peptide

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Title
Mouse monoclonal antibodies to hepatitis B virus preS1 produced after immunization with recombinant preS1 peptide
Author(s)
Chun Jeih Ryu; Youn Kyu Kim; Hyang Suk Hur; Hee Sun Kim; Jai Min Oh; Young Jun Kang; Hyo Jeong Hong
Bibliographic Citation
Hybridoma, vol. 19, no. 2, pp. 185-189
Publication Year
2000
Abstract
We have efficiently generated mouse monoclonal antibodies (MAbs), which bind specifically to amino acids 21-47 of the preS1 domain of hepatitis B virus (HBV) by immunizing mice with the preS1 peptide (amino acids, aa 1-56) conjugated to keyhole limpet hemocyanin. Hybridomas were screened by an indirect enzyme-linked immunosorbent assay (ELISA) using the purified preS1 peptide as a coated antigen. Eighteen positive hybridomas were selected and subjected to isotyping. of these, 5 clones secreted immunoglobulin G (IgG) and 13 clones secreted IgM. Four (KR1, KR2, KR3, and KR4) of the 5 IgG MAbs bound to preS1 peptide (aa 21-47). Epitope mapping using bacterially expressed GST fusion proteins revealed that three clones (KR2, KR3, KR4) (IgG1, κ) recognize aa 21-35, while KR1 (IgG2a, κ) recognizes aa 35-47 of the preS1. These MAbs immunoprecipitated HBV particles, demonstrating that they bind to native HBV particles.
ISSN
0272-457X
Publisher
Mary Ann Liebert
DOI
http://dx.doi.org/10.1089/02724570050031248
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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