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Lookup NU author(s): Professor Anne Dickinson, Dr Peter Carey, Professor Stephen Proctor
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A human skin explant model was used to investigate the role of cytokines in graft-versus-host reactions (GVHR). Responder cells from HLA mismatched mixed lymphocyte cultures (MLC) produced GVHR (Grades I-III) in skin explant assays. Cell-free supernatants from these experiments also induced similar histopathological changes in the skin. The greatest degree of correlation between the GVHR observed with responder cells and the supernatant was shown with CD4 enriched MLC (p < 0.001). Supernatants were assayed for tumour necrosis factor-alpha (TNF-alpha) and interferon-gamma (IFN-gamma) and CD4 enriched MLC populations produced high levels of these cytokines. These results correlated with the grade of GVHR observed in skin explant assays. The GVHR produced by the supernatant alone could be inhibited by both anti-IFN-gamma and anti-TNF-alpha polyclonal antibodies. The results suggest that TNF-alpha and IFN-gamma are directly involved in tissue damage during graft-versus-host disease in allogeneic transplant in man.
Author(s): Dickinson, A. M., Sviland, L., Dunn, J., Carey, P. J., Proctor, S. J.
Publication type: Article
Publication status: Published
Journal: Bone Marrow Transplantation
Year: 1991
Volume: 7
Issue: 3
Pages: 209-216
Print publication date: 01/03/1991
ISSN (print): 0268-3369
ISSN (electronic): 1476-5365
