Abstract:
:The contribution of T cell responses to immunity against respiratory syncytial virus (RSV) is not fully defined, but this is an important issue for vaccine design. Recent studies demonstrating RSV-induced pulmonary T cell suppression suggest that RSV may have evolved strategies to escape T cell immunity. Here we evaluated potential consequences of RSV-mediated immunosuppression for protective memory T cell responses in vivo. Surprisingly, we found strong ex vivo cytolytic activity and interferon production of pulmonary RSV-specific CD8(+) T cells both in the acute and the memory phase of primary murine RSV infection. More significantly, T cell memory made an important contribution to immunity against RSV independent of antibodies. Thus, RSV-primed mice were protected against challenge with RSV-recombinant vaccinia viruses, which can be controlled by RSV-specific T cells, but not by RSV-specific antibodies. In conclusion, RSV does not appear to impair acute and protective memory T cell responses induced by a primary infection. These findings further support that induction of T cell immunity should be a relevant goal for RSV vaccines.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Ostler T,Ehl Sdoi
10.1002/1521-4141(200209)32:9<2562::AID-IMMU2562>3keywords:
subject
Has Abstractpub_date
2002-09-01 00:00:00pages
2562-9issue
9eissn
0014-2980issn
1521-4141journal_volume
32pub_type
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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
pub_type: 杂志文章
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830071016
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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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pub_type: 评论,杂志文章
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830191005
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830100902
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journal_title:European journal of immunology
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doi:10.1002/eji.201243022
更新日期:2013-01-01 00:00:00
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journal_title:European journal of immunology
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