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...
| Veröffentlicht in: | Clinical immunology (Orlando, Fla.). - 1999. - 131(2009), 3 vom: 20. Juni, Seite 395-403 |
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| 1. Verfasser: | |
| Weitere Verfasser: | , , , , |
| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2009
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| 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 |
| Zusammenfassung: | 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 |
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| Beschreibung: | Date Completed 09.06.2009 Date Revised 18.05.2009 published: Print-Electronic Citation Status MEDLINE |
| ISSN: | 1521-7035 |
| DOI: | 10.1016/j.clim.2009.02.002 |