scholarly journals Human Herpesvirus 6 (HHV-6) Reactivation and HHV-6 Encephalitis After Allogeneic Hematopoietic Cell Transplantation: A Multicenter, Prospective Study

2013 ◽  
Vol 57 (5) ◽  
pp. 671-681 ◽  
Author(s):  
Masao Ogata ◽  
Takako Satou ◽  
Jun-ichi Kadota ◽  
Noriyuki Saito ◽  
Takashi Yoshida ◽  
...  
Keyword(s):  
Prospective Study ◽  
Cell Transplantation ◽  
Hematopoietic Cell Transplantation ◽  
Human Herpesvirus ◽  
Hematopoietic Cell ◽  
Allogeneic Hematopoietic Cell Transplantation ◽  
Human Herpesvirus 6 ◽  
Herpesvirus 6 ◽  
Multicenter Prospective Study

scholarly journals Donor-Derived CD4+ T Cells and Human Herpesvirus 6B Detection After Allogeneic Hematopoietic Cell Transplantation

2020 ◽  
Author(s):  
Derek J Hanson ◽  
Hu Xie ◽  
Danielle M Zerr ◽  
Wendy M Leisenring ◽  
Keith R Jerome ◽  
...  
Keyword(s):  
T Cells ◽  
T Cell ◽  
Cell Transplantation ◽  
Cd4 T Cells ◽  
Hematopoietic Cell Transplantation ◽  
Mononuclear Cells ◽  
Human Herpesvirus ◽  
Hematopoietic Cell ◽  
Allogeneic Hematopoietic Cell Transplantation ◽  
Peripheral Blood Mononuclear

Abstract We sought to determine whether donor-derived human herpesvirus (HHV) 6B–specific CD4+ T-cell abundance is correlated with HHV-6B detection after allogeneic hematopoietic cell transplantation. We identified 33 patients who received HLA-matched, non–T-cell–depleted, myeloablative allogeneic hematopoietic cell transplantation and underwent weekly plasma polymerase chain reaction testing for HHV-6B for 100 days thereafter. We tested donor peripheral blood mononuclear cells for HHV-6B–specific CD4+ T cells. Patients with HHV-6B detection above the median peak viral load (200 copies/mL) received approximately 10-fold fewer donor-derived total or HHV-6B–specific CD4+ T cells than those with peak HHV-6B detection at ≤200 copies/mL or with no HHV-6B detection. These data suggest the importance of donor-derived immunity for controlling HHV-6B reactivation.

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