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Identification of donor-derived antigen-specific suppressor cells in murine bone marrow chimeras prepared with total-lymphoid irradiation

Journal Article · · Transplantation; (United States)
OSTI ID:6847457
The suppressor activity of the spleen cells from bone marrow chimeras prepared with total-lymphoid irradiation was analyzed in vitro. The chimeric spleen cells lacked responsiveness to host-type, but not to third-party, antigens in the mixed-leukocyte reaction (MLR) as judged by (3H)thymidine incorporation and the generation of cytolytic cells. When the donor-type chimeric spleen cells were used as cocultured cells in the MLR, modest nonspecific suppression of (3H)thymidine incorporation and potent antigen-specific suppression of the generation of the cytolytic cells was observed. The donor-type suppressor cells may play an important role in preventing graft-versus-host disease in vivo.
OSTI ID:
6847457
Journal Information:
Transplantation; (United States), Journal Name: Transplantation; (United States) Vol. 36:4; ISSN TRPLA
Country of Publication:
United States
Language:
English