DRUG-INDUCED IN VITRO TOLERANCE TO ALLOGENEIC ANTIGENS

DOI PubMed

書誌事項

タイトル別名
  • Ii. Further Analysis of In Vitro—Tolerized Spleen Cells in a Fully Allogeneic Murine Combination

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説明

C3H/HeSlc (C3H, H-2k) spleen cells were made tolerant in vitro to C57BL/6CrSlc (B6, H-2b) at the cell-mediated cytotoxicity (CMC) level by in vitro stimulation for 48 hr with mitomycin C (MMC)-treated B6 spleen cells, and treatment with 5 micrograms/ml of 5-fluorouracil for a further 9 hr. These cells were given intraperitoneally to neonate (C3HxB6) F1 mice to examine whether these tolerized spleen cells would cause lethal graft-versus-host disease (GVHD). Despite the lack of CMC, the tolerized C3H spleen cells caused lethal GVHD in most of the neonate F1 mice. Evaluating from various immune parameters, it was evident that T cell populations responsible for IL-2 production, cytostasis, and delayed footpad reaction (DFR) were retained intact after in vitro tolerance induction, probably because of their less-proliferative characteristics in response to fully allogeneic antigen stimulation, and were considered to be responsible for lethal GVHD. Contribution of natural killer (NK) cells to lethal GVHD was not ruled out.

収録刊行物

  • Transplantation

    Transplantation 45 464-469, 1988-02-01

    Ovid Technologies (Wolters Kluwer Health)

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