Treatment with rIFN-γ has no effect on cardiac allograft rejection

J. N.M. Ijzermans*, E. Bouwman, R. W.F. De Bruin, J. Jeekel, R. L. Marquet

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

The effect of recombinant rat interferon-gamma (rRIFN-γ) on allograft rejection was studied in two rat heart transplantation models. Recipients were treated with rRIFN-γ by intraperitoneal or intravenous injection, either by bolus or continuous infusion. Treatment was started after transplantation and continued during a period ranging from 4 to 10 days; dosages varied from 2.5 x 102 U/kg/day to 3 x 106 U/kg/day. Controls were infused with PBS. Treatment with rRIFN-γ had no effect on allograft survival, irrespective of the route of administration, the dosage used or the duration of treatment. Higher dosages of rRIFN-γ induced serious morbidity and mortality. In conclusion, systemic treatment of cardiac allograft recipients with rRIFN-γ has no effect on graft rejection and is associated with serious toxicity and mortality when high dosages are used.

Original languageEnglish
Pages (from-to)243-245
Number of pages3
JournalImmunology
Volume73
Issue number2
Publication statusPublished - 1991

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