PMID: 9537057Jan 1, 1980Paper

Suppressor cells and their precursors in A/J mice, tolerant to heterologous gamma globulin

Scandinavian Journal of Immunology
K Nakano, B Cinader

Abstract

The role of suppressor cells and of their precursors was examined in A/J mice, immunized or tolerized-immunized with rabbit gamma globulin. Antibody response and tolerance were assessed by antigen elimination, followed by an indirect plaque-forming assay. Reconstitution experiments were performed to estimate loss of cooperative capacity in thymus and spleen cells. Infectious tolerance was examined by reconstitution with mixtures of spleen or thymus cells of normal and tolerant donors. Infectious tolerance could not be detected after neonatally induced tolerance. It could be detected when tolerance was induced 11-16 days after birth. Under these circumstances, loss of cooperative capacity and increased capacity for infectious tolerance occurred rapidly over the first 2 days and reached completion by the 10th-20th day after administration of tolerogen. Thymectomy, after tolerance induction, resulted in relative recovery of responsiveness of spleen cells and loss of capacity for infectious tolerance. Pretreatment with cyclophosphamide resulted in a less profound state of unresponsiveness and in the disappearance of the capacity for infectious tolerance. Simultaneous treatment with tolerogen and colchicine also resulted in a less p...Continue Reading

References

Jan 1, 1977·International Archives of Allergy and Applied Immunology·M Hosono, B Cinader
Jan 1, 1977·Immunological Communications·M HosonoJ R Ellerson
Apr 1, 1978·The Journal of Experimental Medicine·P N Shek, A H Coons
Jan 1, 1979·Immunological Communications·R R AlcalaS Dubiski
Oct 1, 1978·Cellular Immunology·B CinaderS Koh
Feb 1, 1979·Archives of Surgery·B SigelJ Ipsen
Apr 1, 1974·Cellular Immunology·M Fujiwara, B Cinader

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