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题目:: Natural killer cells may be the only cells in normal mouse lymphoid cell populations endowed with cytolytic ability for antibody-coated tumour target cells.
作者:: Ojo(E),Wigzell(H)
状态:: 发布时间1978-07-26 , 更新时间 2008-11-21
期刊:: Scand J Immunol
摘要:: Mouse normal lymphoid cells were analysed as to their ability to perform in three cytolytic systems: Ability to act as 'natural killer', NK, cells against a NK sensitive tumour target, YAC; as effector cells against IgG-coated 815 cells, or to function as effector cells against IgG-coated CRBC. NK activity and ADCC against the IgG-coated P815 cells were found to vary in parallel as affected by age, organ distribution and genotype of the effector cells. On the other hand, ADCC against CRBC was largely carried out by effector cells distinct from those functioning as NK cells or in ADCC against P815. Temperature pretreatment schedules at 37 degrees C showed both NK cells and ADCC ability against P815 to be highly sensitive on contrast to ADCC against CRBC. Likewise, inoculation of Corynebacterium parvum intraperitoneally will lead to reduction in ADCC ability against CRBC but increase in ADCC against P815 and NK activity. Blocking experiments using 'cold' inhibitor cells in the cytolytic assays indicated that NK cells and effector cells against IgG-coated P815 cells are the very same cells. We thus conclude that NK cells in the mouse also have the ability to express K cell activity against IgG-coated tumour target cells. In fact, our data suggest that the NK cells may be the only cell type in the mouse equipped with cytolytic potential for antibody-coated murine nucleated cells
语言:: eng
DOI:

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