Serveur d'exploration H2N2

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Gamma-irradiated influenza A virus can prime for a cross-reactive and cross-protective immune response against influenza A viruses.

Identifieur interne : 002199 ( Main/Exploration ); précédent : 002198; suivant : 002200

Gamma-irradiated influenza A virus can prime for a cross-reactive and cross-protective immune response against influenza A viruses.

Auteurs : A. Müllbacher ; G L Ada ; R T Hla

Source :

RBID : pubmed:2846435

Descripteurs français

English descriptors

Abstract

A-strain influenza virus A/JAP (H2N2) was tested for its ability to induce cytotoxic T cells (Tc) after being rendered non-infectious by either UV or gamma irradiation. Gamma-irradiated virus proved to be more efficient than UV-inactivated virus in priming for a memory Tc cell response or in boosting memory spleen cells in vitro. Most importantly, gamma-inactivated, but not UV-inactivated, A/JAP immunized animals survived lethal challenge with heterologous (A/PC(H3N2), A/WSN(H1N1)) virus as effectively as mice primed with infectious virus.

DOI: 10.1038/icb.1988.19
PubMed: 2846435


Affiliations:


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<term>Rayons gamma</term>
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<term>Virus de la grippe A (effets des radiations)</term>
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<term>Immunité</term>
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<div type="abstract" xml:lang="en">A-strain influenza virus A/JAP (H2N2) was tested for its ability to induce cytotoxic T cells (Tc) after being rendered non-infectious by either UV or gamma irradiation. Gamma-irradiated virus proved to be more efficient than UV-inactivated virus in priming for a memory Tc cell response or in boosting memory spleen cells in vitro. Most importantly, gamma-inactivated, but not UV-inactivated, A/JAP immunized animals survived lethal challenge with heterologous (A/PC(H3N2), A/WSN(H1N1)) virus as effectively as mice primed with infectious virus.</div>
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