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    J Immunol. 1996 Dec 15;157(12):5387-93.

    A major role for the Fas pathway in acute graft-versus-host disease.

    Source

    Research Service, Department of Veteran Affairs Medical Center, and Division of Rheumatology and Clinical Immunology, University of Maryland School of Medicine, Baltimore 21201, USA.

    Abstract

    Recent studies have suggested a role for the Fas pathway in the wasting syndrome associated with lpr-->wild-type bone marrow transplants. To directly examine whether Fas ligand has a major role in the development of acute graft-vs-host disease (GVHD), Fas ligand-deficient (gld) mice were used as donors and C3H/HeJ x C57BL/6F1 as recipients in the parent-into-F1 model of acute GVHD. Transplantation of C3H/gld spleen cells induced significantly less host lymphoid depletion and was associated with less antihost cytotoxic activity in vitro when compared with wild-type C3H donor cells. The reduced depletion of host lymphocytes was explained by both impaired antihost T cell cytolytic activity and by reduced expansion of gld donor T cells in F1 recipients. These findings not only indicate that the Fas ligand is an important effector molecule in acute GVHD, but also provide in vivo evidence supporting a role for Fas/Fas ligand interactions in T cell expansion and maturation.

    PMID:
    8955186
    [PubMed - indexed for MEDLINE]

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