Allogeneic virus-specific T cells with HLA alloreactivity do not produce GVHD in human subjects

Melenhorst, J. Joseph, Leen, Ann M., Bollard, Catherine M., Quigley, Maire F., Price, David ORCID: https://orcid.org/0000-0001-9416-2737, Rooney, Cliona M., Brenner, Malcolm K., Barrett, A. John and Heslop, Helen E. 2010. Allogeneic virus-specific T cells with HLA alloreactivity do not produce GVHD in human subjects. Blood 116 (22) , pp. 4700-4702. 10.1182/blood-2010-06-289991

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Abstract

Adoptive transfer of viral antigen-specific memory T cells can reconstitute antiviral immunity, but in a recent report a majority of virus-specific cytotoxic T-lymphocyte (CTL) lines showed in vitro cross-reactivity against allo-human leukocyte antigen (HLA) molecules as measured by interferon-γ secretion. We therefore reviewed our clinical experience with adoptive transfer of allogeneic hematopoietic stem cell transplantation donor-derived virus-specific CTLs in 153 recipients, including 73 instances where there was an HLA mismatch. There was no de novo acute graft-versus-host disease after infusion, and incidence of graft-versus-host disease reactivation was low and not significantly different in recipients of matched or mismatched CTL. However, we found that virus-specific T cell lines recognized up to 10% of a panel of 44 HLA disparate targets, indicating that virus-specific T cells can have cross-reactivity with HLA-mismatched targets in vitro. These data indicate that the adoptive transfer of partially HLA-mismatched virus-specific CTL is safe despite in vitro recognition of recipient HLA molecules.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine Systems Immunity Research Institute (SIURI)
Subjects:	R Medicine > R Medicine (General)
Publisher:	American Society of Hematology
ISSN:	0006-4971
Last Modified:	20 Oct 2022 08:26
URI:	https://orca.cardiff.ac.uk/id/eprint/28364

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