Establishment of Hybridoma Cells with Natural Killer(NK)-Like Activity against Syngenic Tumor Cells
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The 4D1D4 hybridoma cells were derived from the fusion of spleen cells from BALB/c nude mice with NS-1 mouse myeloma cells. The surface phenotypes of 4D1D4 hybridoma cells were Thy-1.2+, L3T4 (CD4)-, Lyt-2 (CD8)-, Asialo GM1+, and p-55 interleukin-2 (IL-2) receptor (CD25)-. This phenotypic pattern was consistent with the surface phenotype of NK cells. The 4D1D4 cells showed the definite killer activity against a syngenic tumor cell line, RL_??_-1, but not against an allogenic YAC-1 line. The killer activity of the 4D1D4 cells was not affected by the addition of exogenous IL-2. It was, therefore, suggested that 4D1D4 cells might be representative of resting NK cells with expression of no functional IL-2 receptors. The hybridoma technology might be useful for establishment of the cloned NK cells.
- 微生物学・免疫学学会連合の論文
微生物学・免疫学学会連合 | 論文
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