Presentation of alloantigens by host cells
- 1 January 1986
- journal article
- research article
- Published by Wiley in European Journal of Immunology
- Vol. 16 (5), 569-574
- https://doi.org/10.1002/eji.1830160519
Abstract
Presentation of alloantigens by host cells has been examined in vivo by means of a murine cell transfer system. Primary (1°) hosts were activated by the i.p. administration of allogeneic spleen cells and their spleen or peritoneal cells were transferred into syngeneic secondary (2°) hosts 3 days later. Sensitization of 2° hosts was assessed by their ability to reject donor strain skin grafts prematurely. The transferred cells were routinely depleted of T lymphocytes. We show that (a) 5 × 107 spleen and 3 × 106 peritoneal cells consistently caused marked accelerated graft rejection; (b) this effect was antigen specific and observable in all strain combinations studied; (c) it was caused by the active sensitization of 2° hosts, but not by contaminating donor strain cells; (d) the cells involved were plastic adherent and viability was not a requirement; and (e) both class I and II, but not minor, histocompatibility antigens played a role in this model. We conclude that presentation of alloantigens by host antigen-presenting cells can be a potent route of allosensitization.This publication has 17 references indexed in Scilit:
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