Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Suppressor cells in transplantation tolerance: the mechanisms of tolerance in radiation chimeras

Journal Article · · Transplantation; (United States)
Histoincompatible-complete radiation chimeras, after resolving acute graft-vs-host (GVHD), establish specific tolerance to host and donor alloantigens. This tolerance can be perturbed with immunosuppressive agents and infusions of small numbers of donor-type cells with infusions of massive numbers of donor-type cells, or with infusions of a small number of donor-type cells, that were sensitized against host antigens prior to transfer. These chimeras possess T lymphocytes in the spleen that specifically suppress donor to host mixed lymphocyte reactions and adoptively transfer suppression of GVHD to secondary hosts. Nylon-wool fractionation of chimeric spleen cells restores the response of chimeric lymphocytes to host alloantigens, suggesting that transplantation tolerance is not attributable to clonal deletion but the activity of nylon-wool-adherent T suppressor spleen cells.
Research Organization:
Johns Hopkins Univ., Baltimore, MD
OSTI ID:
6055243
Journal Information:
Transplantation; (United States), Journal Name: Transplantation; (United States) Vol. 32:3; ISSN TRPLA
Country of Publication:
United States
Language:
English