The role of cell-mediated cytotoxicity in the complex pathophysiology of graft-versus-host disease (GVHD) has remained poorly defined for several decades. We transplanted T cells from Fas-ligand (FasL)-defective and perforin-deficient mutant donor mice into lethally irradiated MHC-matched allogeneic recipient mice to characterize the role of cell-mediated cytotoxicity in GVHD. Although recipients of allogeneic FasL-defective donor T cells underwent severe GVHD-associated cachexia, they exhibited only minimal signs of hepatic and cutaneous GVHD pathology. Recipients of perforin-deficient allogeneic donor T cells developed signs of acute GVHD, but the time of onset was significantly delayed. These findings demonstrate that Fas-mediated anti-recipient cytotoxicity may be critical for the development of hepatic and cutaneous GVHD, but is not required for GVHD-associated cachexia. In addition, perforin-mediated anti-recipient cytotoxicity appears to play an important role in the kinetics of GVHD pathophysiology, but is not required for GVHD-associated tissue damage.
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1 June 1996
Article|
June 01 1996
The role of cell-mediated cytotoxicity in acute GVHD after MHC-matched allogeneic bone marrow transplantation in mice.
M B Baker,
M B Baker
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
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N H Altman,
N H Altman
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
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E R Podack,
E R Podack
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
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R B Levy
R B Levy
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
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M B Baker
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
N H Altman
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
E R Podack
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
R B Levy
Department of Microbiology and Immunology, University of Miami School of Medicine, Florida 33101, USA.
Online ISSN: 1540-9538
Print ISSN: 0022-1007
J Exp Med (1996) 183 (6): 2645–2656.
Citation
M B Baker, N H Altman, E R Podack, R B Levy; The role of cell-mediated cytotoxicity in acute GVHD after MHC-matched allogeneic bone marrow transplantation in mice.. J Exp Med 1 June 1996; 183 (6): 2645–2656. doi: https://doi.org/10.1084/jem.183.6.2645
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