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Influenza virus changes cell-surface glycoproteins including major histocompatibility complex determinants on lymphocytes

Identifieur interne : 002155 ( Main/Exploration ); précédent : 002154; suivant : 002156

Influenza virus changes cell-surface glycoproteins including major histocompatibility complex determinants on lymphocytes

Auteurs : Francien T. M. Rotteveel [Pays-Bas] ; Jacques J. Neefjes [Pays-Bas] ; Hidde L. Ploegh [Pays-Bas] ; Cornelius J. Lucas [Pays-Bas]

Source :

RBID : ISTEX:D36754121A7E41800B73EDDF7F83E7AC9C87BA9B

English descriptors

Abstract

Abstract: The effect of influenza virus infection on the expression of major histocompatibility complex (MHC) antigens was investigated. Infection with influenza virus resulted in an increase of the binding of anti-MHC class I and class II antibodies to resting T cells. The binding of anti-MHC class II antibodies to activated T cells was increased approximately threefold. The binding of anti-MHC class I and class II antibodies to Epstein-Barr virus — transformed B cells appeared unaffected after influenza virus infection. Recombinant human interferon-α and/or-γ added to T cells did not enhance the binding of anti-MHC antibodies. Biochemical analysis revealed no increase in the amount of class I and class II antigens as a consequence of viral infection, but a marked decrease in sialic acid content was found, most probably caused by the viral neuraminidase. Pulse-chase experiments suggest that the viral neuraminidase can catalyze the removal of sialic acids both en route to and at the cell surface. The absence of sialic acid residues can explain the increased binding of anti-MHC antibodies, because neuraminidase (clostridium perfringens) treatment of T and Epstein-Barr virus-transformed B cells resulted in a shift in both isoelectric point and antibody binding similar to that observed after influenza virus infection.

Url:
DOI: 10.1016/0198-8859(89)90039-6


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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<term>Central laboratory</term>
<term>Control cells</term>
<term>Determinant</term>
<term>Final concentration</term>
<term>Fluorescence intensity</term>
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<term>Histocompatibility</term>
<term>Human immunol</term>
<term>Immune</term>
<term>Immunol</term>
<term>Infection</term>
<term>Influenza</term>
<term>Influenza changes glycoproteins</term>
<term>Influenza virus</term>
<term>Influenza virus infection</term>
<term>Interferon</term>
<term>Lymphoblast</term>
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<term>Neuraminidase</term>
<term>Neuraminidase treatment</term>
<term>Noninfected</term>
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<term>Other antibodies</term>
<term>Perfringens neuraminidase</term>
<term>Positive cells</term>
<term>Proc natl acad</term>
<term>Region products</term>
<term>Rotteveel</term>
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<div type="abstract" xml:lang="en">Abstract: The effect of influenza virus infection on the expression of major histocompatibility complex (MHC) antigens was investigated. Infection with influenza virus resulted in an increase of the binding of anti-MHC class I and class II antibodies to resting T cells. The binding of anti-MHC class II antibodies to activated T cells was increased approximately threefold. The binding of anti-MHC class I and class II antibodies to Epstein-Barr virus — transformed B cells appeared unaffected after influenza virus infection. Recombinant human interferon-α and/or-γ added to T cells did not enhance the binding of anti-MHC antibodies. Biochemical analysis revealed no increase in the amount of class I and class II antigens as a consequence of viral infection, but a marked decrease in sialic acid content was found, most probably caused by the viral neuraminidase. Pulse-chase experiments suggest that the viral neuraminidase can catalyze the removal of sialic acids both en route to and at the cell surface. The absence of sialic acid residues can explain the increased binding of anti-MHC antibodies, because neuraminidase (clostridium perfringens) treatment of T and Epstein-Barr virus-transformed B cells resulted in a shift in both isoelectric point and antibody binding similar to that observed after influenza virus infection.</div>
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