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  • 标题:Endotoxin-induced serum factor controlling differentiation of bone-marrow-derived lymphocytes
  • 本地全文:下载
  • 作者:M K Hoffmann ; H F Oettgen ; L J Old
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:1977
  • 卷号:74
  • 期号:3
  • 页码:1200-1203
  • DOI:10.1073/pnas.74.3.1200
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:Serum from bacillus Calmette-Guerin-infected mice injected with endotoxin induces the appearance of surface immunoglobulin, Ia antigen, and complement receptor on the surface of precursor bone-marrow-derived (B) cells. While endotoxin itself causes phenotypic conversion of both thymus-derived (T) cells and B cells in vitro, the endotoxin-induced serum factor was found to be a selective inducer of B cell differentiation. Spleen cells rendered immunodeficient by removal of B cells bearing the complement receptor regained the capacity to cooperate with helper T cells and to produce antibody against red cell antigens in vitro upon upon addition of the serum factor to the culture medium. Thus, a factor that controls selective phenotypic and functional differentiation of B cells has been identified and can now be characterized,
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