Human cytomegalovirus-specific CD4+ and CD8+ T cell responses in primary infection of the immunocompetent and the immunocompromised host

The kinetics of primary human cytomegalovirus (HCMV) infection and specific T-cell responses were investigated in 16 immunocompetent pregnant women and 8 solid-organ transplant recipients (SOTR). T-cell responses to whole HCMV and to pp65 and IE-1 peptides were determined by flow cytometry evaluatio...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 131(2009), 3 vom: 20. Juni, Seite 395-403
1. Verfasser: Lilleri, Daniele (VerfasserIn)
Weitere Verfasser: Zelini, Paola, Fornara, Chiara, Comolli, Giuditta, Revello, Maria Grazia, Gerna, Giuseppe
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't IE1 protein, cytomegalovirus Immediate-Early Proteins Immunosuppressive Agents Phosphoproteins Viral Matrix Proteins cytomegalovirus matrix protein 65kDa Interferon-gamma 82115-62-6
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520 |a The kinetics of primary human cytomegalovirus (HCMV) infection and specific T-cell responses were investigated in 16 immunocompetent pregnant women and 8 solid-organ transplant recipients (SOTR). T-cell responses to whole HCMV and to pp65 and IE-1 peptides were determined by flow cytometry evaluation of IFNgamma production. HCMV-specific CD4(+) and CD8(+) T-cells appeared earlier and simultaneously in immunocompetent subjects, whereas specific CD8(+) T-cells preceded CD4(+) T-cells in half of the SOTR examined. The magnitude of the HCMV-specific T-cell pool was comparable. HCMV load reached peak levels 100-1000 times higher in SOTR than in immunocompetent women, while the virus persisted for months in blood of both groups. T-cells directed to pp65 and IE-1 were only detected in a portion of subjects developing a full T-cell response to the whole virus. Thus, the development of cell-mediated immune response in primary HCMV infection may be missed when looking at pp65 and IE-1 peptide-stimulated T-cells only 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Immediate-Early Proteins  |2 NLM 
650 7 |a Immunosuppressive Agents  |2 NLM 
650 7 |a Phosphoproteins  |2 NLM 
650 7 |a Viral Matrix Proteins  |2 NLM 
650 7 |a cytomegalovirus matrix protein 65kDa  |2 NLM 
650 7 |a Interferon-gamma  |2 NLM 
650 7 |a 82115-62-6  |2 NLM 
700 1 |a Zelini, Paola  |e verfasserin  |4 aut 
700 1 |a Fornara, Chiara  |e verfasserin  |4 aut 
700 1 |a Comolli, Giuditta  |e verfasserin  |4 aut 
700 1 |a Revello, Maria Grazia  |e verfasserin  |4 aut 
700 1 |a Gerna, Giuseppe  |e verfasserin  |4 aut 
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773 1 8 |g volume:131  |g year:2009  |g number:3  |g day:20  |g month:06  |g pages:395-403 
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