Differential effectiveness of anti-CD8 treatment on ongoing graft-versus-host reactions in mice

W.A. Noort, R. Benner, H.F.J. Savelkoul

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3 Citations (Scopus)


Analysis of T cell subsets in the spleen during graft-versus-host (GVH) reactions in a fully allogeneic mouse strain combination demonstrated that first CD4 T cells become activated, and initiate the GVH reaction. Subsequently, CD8 T cells become involved. Here we show that anti-CD8 treatment on day 3 resulted in a significant increase in survival, while early treatment (day -1 or day 1) did not. Acute GVH reactions were induced (day 0) in lethally irradiated (C57BL/6 X CBA/J)F1 (H-2b/k) mice by intravenous injection of BALB/c (H-2d) spleen and lymph node cells (3.6 X 107) within 24 h after irradiation. Mice were treated significantly with a single optimally depleting dose of rat anti-CD8 (YTS 169.4) or untreated. Symptoms of GVHD became obvious 6 days after reconstitution, and mortality started at day 8. The mutual influence of CD4 and CD8 T cells in the development of GVHD becomes apparent from our data, and demonstrates that GVHD lethality can be caused by CD8 T cells as well as by CD4 T cells.
Original languageEnglish
Pages (from-to)198-202
JournalTransplant Immunology
Issue number3
Publication statusPublished - 1996
Externally publishedYes

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