MIGRATION INHIBITION AND HOMOGRAFT REJECTION IN RATS

Abstract
SUMMARY The relationship of cell-mediated immunity to transplantation antigens and clinical graft rejection was studied in inbred Wistar rats using an in vitro capillary tube migration- inhibition technique. Spleen cells from animals sensitised by grafting were inhibited by donor strain (AGUS)-derived antigens but not by recipient strain (Wistar)- derived antigens. Inhibition became significant 24-48 hr before the onset of clinical graft rejection. In a comparison of the response of skin-grafted animals to a small number of heart-transplanted animals, no difference was seen in the onset of sensitisation.

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