Epitope‐specific CD4+, but not CD8+, T‐cell responses induced by recombinant influenza A viruses protect against Mycobacterium tuberculosis infection
Tuberculosis remains a global health problem, in part due to failure of the currently available vaccine, BCG, to protect adults against pulmonary forms of the disease. We explored the impact of pulmonary delivery of recombinant influenza A viruses (rIAVs) on the induction of Mycobacterium tuberculosis ( M. tuberculosis )‐specific CD4 + and CD8 + T‐cell responses and the resultant protection against M. tuberculosis infection in C57BL/6 mice. Intranasal infection with rIAVs expressing a CD4 + T‐cell epitope from the Ag85B protein (PR8.p25) or CD8 + T‐cell epitope from the TB10.4 protein (PR8.TB10.4) generated strong T‐cell responses to the M. tuberculosis ‐specific epitopes in the lung that persisted long after the rIAVs were cleared. Infection with PR8.p25 conferred protection against subsequent M. tuberculosis challenge in the lung, and this was associated with increased levels of poly‐functional CD4 + T cells at the time of challenge. By contrast, infection with PR8.TB10.4 did not induce protection despite the presence of IFN‐γ‐producing M. tuberculosis ‐specific CD8 + T cells in the lung at the time of challenge and during infection. Therefore, the induction of pulmonary M. tuberculosis epitope‐specific CD4 + , but not CD8 + T cells, is essential for protection against acute M. tuberculosis infection in the lung..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:45 |
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| Enthalten in: |
European journal of immunology - 45(2015), 3, Seite 780-793 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Flórido, Manuela [VerfasserIn] |
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| Links: |
Volltext |
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| doi: |
10.1002/eji.201444954 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC1962968863 |
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| 245 | 1 | 0 | |a Epitope‐specific CD4+, but not CD8+, T‐cell responses induced by recombinant influenza A viruses protect against Mycobacterium tuberculosis infection |
| 264 | 1 | |c 2015 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 520 | |a Tuberculosis remains a global health problem, in part due to failure of the currently available vaccine, BCG, to protect adults against pulmonary forms of the disease. We explored the impact of pulmonary delivery of recombinant influenza A viruses (rIAVs) on the induction of Mycobacterium tuberculosis ( M. tuberculosis )‐specific CD4 + and CD8 + T‐cell responses and the resultant protection against M. tuberculosis infection in C57BL/6 mice. Intranasal infection with rIAVs expressing a CD4 + T‐cell epitope from the Ag85B protein (PR8.p25) or CD8 + T‐cell epitope from the TB10.4 protein (PR8.TB10.4) generated strong T‐cell responses to the M. tuberculosis ‐specific epitopes in the lung that persisted long after the rIAVs were cleared. Infection with PR8.p25 conferred protection against subsequent M. tuberculosis challenge in the lung, and this was associated with increased levels of poly‐functional CD4 + T cells at the time of challenge. By contrast, infection with PR8.TB10.4 did not induce protection despite the presence of IFN‐γ‐producing M. tuberculosis ‐specific CD8 + T cells in the lung at the time of challenge and during infection. Therefore, the induction of pulmonary M. tuberculosis epitope‐specific CD4 + , but not CD8 + T cells, is essential for protection against acute M. tuberculosis infection in the lung. | ||
| 540 | |a Nutzungsrecht: © 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim | ||
| 540 | |a © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 650 | 4 | |a Recombinant influenza A virus | |
| 650 | 4 | |a CD4 | |
| 650 | 4 | |a Tuberculosis | |
| 650 | 4 | |a Lung | |
| 650 | 4 | |a T cells | |
| 650 | 4 | |a Interferon‐γ | |
| 650 | 4 | |a Mycobacterium tuberculosis - genetics | |
| 650 | 4 | |a Tuberculosis Vaccines - genetics | |
| 650 | 4 | |a Mycobacterium tuberculosis - immunology | |
| 650 | 4 | |a Tuberculosis Vaccines - immunology | |
| 650 | 4 | |a CD8-Positive T-Lymphocytes - immunology | |
| 650 | 4 | |a Epitopes - genetics | |
| 650 | 4 | |a CD4-Positive T-Lymphocytes - immunology | |
| 650 | 4 | |a Epitopes - immunology | |
| 650 | 4 | |a Tuberculosis, Pulmonary - prevention & control | |
| 650 | 4 | |a Tuberculosis, Pulmonary - immunology | |
| 700 | 1 | |a Pillay, Roman |4 oth | |
| 700 | 1 | |a Gillis, Caitlin M |4 oth | |
| 700 | 1 | |a Xia, Yingju |4 oth | |
| 700 | 1 | |a Turner, Stephen J |4 oth | |
| 700 | 1 | |a Triccas, James A |4 oth | |
| 700 | 1 | |a Stambas, John |4 oth | |
| 700 | 1 | |a Britton, Warwick J |4 oth | |
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| 773 | 1 | 8 | |g volume:45 |g year:2015 |g number:3 |g pages:780-793 |
| 856 | 4 | 1 | |u http://dx.doi.org/10.1002/eji.201444954 |3 Volltext |
| 856 | 4 | 2 | |u http://onlinelibrary.wiley.com/doi/10.1002/eji.201444954/abstract |
| 856 | 4 | 2 | |u http://www.ncbi.nlm.nih.gov/pubmed/25430701 |
| 856 | 4 | 2 | |u http://search.proquest.com/docview/1661797671 |
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| 952 | |d 45 |j 2015 |e 3 |h 780-793 | ||