Abstract:
:In the murine system, we tested in vivo the immunogenicity of different preparations of the yeast-derived surface antigen (S-antigen or S-protein) of hepatitis B virus (HBV). Native S-protein molecules self-assemble into stable 22-nm particles. BALB/c mice immunized with low doses of native S-particles without adjuvants efficiently generated an H-2 class I-restricted CD8+ cytotoxic T lymphocyte (CTL) response, and developed easily detectable serum antibody titers against conformational determinants of the native S-particle or linear epitopes of the denatured S-protein. Disruption of S-particles with sodium dodecyl sulfate and beta-2-mercaptoethanol generated p24 S-monomers. Injection of an equal dose of S-monomers into mice efficiently primed CTL, but did not stimulate an antibody response against conformational or linear epitopes of the native or denatured S-protein. In vivo priming of CTL by S-particles or S-monomers required "endogenous" processing of the antigen because the injection of an equimolar (or higher) dose of an antigenic, S-derived 12-mer peptide into mice did not prime CTL. Native (particulate) or denatured (monomeric) S-antigen injected with mineral oil (incomplete Freund's adjuvant) or aluminum hydroxide failed to stimulate a CTL response. Hence, different preparations can be produced from a small protein antigen which specifically stimulate selected compartments of the immune system.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Schirmbeck R,Melber K,Mertens T,Reimann Jdoi
10.1002/eji.1830240512subject
Has Abstractpub_date
1994-05-01 00:00:00pages
1088-96issue
5eissn
0014-2980issn
1521-4141journal_volume
24pub_type
杂志文章abstract::In this study we have investigated the specificity of bioassays in which interleukin (IL) 1 and/or IL 6 are active. The thymocyte assay cannot be used to discriminate between IL 1 and IL 6; both monokines are active in this assay. Moreover the detection limit for both IL 1 and IL 6 is around 100 pg/ml. IL 6 activity c...
journal_title:European journal of immunology
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journal_title:European journal of immunology
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doi:10.1002/eji.1830050408
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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更新日期:1993-01-01 00:00:00
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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abstract::In rheumatoid arthritis (RA), T cells in the inflamed joint are considered to play a crucial role in the pathogenesis. However, despite the fact that synovial T cells have an activated memory phenotype, they are functionally suppressed upon combined CD3 and CD28 stimulation. Here, we analyzed the contribution of both ...
journal_title:European journal of immunology
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更新日期:1998-05-01 00:00:00
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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更新日期:2007-05-01 00:00:00
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830190409
更新日期:1989-04-01 00:00:00
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journal_title:European journal of immunology
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doi:10.1002/eji.200737650
更新日期:2008-06-01 00:00:00