期刊
CLINICAL IMMUNOLOGY
卷 136, 期 2, 页码 269-281出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2010.04.008
关键词
Human cytomegalovirus; T-cell response; Infected dendritic cells; Infected cell lysate; Epitopic peptide pool; Immunocompetent host; Immunocompromised patients
类别
资金
- Ministero della Salute
- Fondazione IRCCS Policlinic San Matteo Ricerca Corrente [80425, 80221]
- Progetto Italia-USA 28C5/3 [98083]
Human cytomegalovirus (HCMV)-specific CD4(+) and CD8(+) T-cells were measured in the immunocompetent host as well as in 13 solid-organ transplant recipients (SOTR), and 12 young hematopoietic stem cell transplant recipients (HSCTR) by using a long-term (7-day) assay based on PBMC stimulation by HCMV-infected dendritic cells (iDC), and two short-term (24 h) assays, one for CD4(+) stimulation by infected cell lysate (iCL), and the other for CD8(+) stimulation by a pool of 34 epitopic peptides (pep-pool). In the immunocompetent, the number of T-cells activated by either iCL or the pep-pool was significantly reduced with respect to iDC. In both SOTR and HSCTR, the number of T-cells activated by iDC was comparable to that activated by iCL or the pep-pool. A significant correlation between iDC-activated T-cells and T-cells activated by either iCL or the pep-pool was observed. In conclusion, whenever a rapid result is needed, short-term assays may efficiently replace the iDC assay. (C) 2010 Elsevier Inc. All rights reserved.
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