T cell hybridomas respond to activation signals by undergoing apoptotic cell death , and this is likely to represent comparable events related to tolerance induction in immature and mature T cells in vivo .
t cell hybridomas respond to activation signals by undergoing apoptotic cell death , and this is likely to represent comparable events related to tolerance induction in immature and mature t cells in vivo .
B-cell_line I-cell_line I-cell_line O O B-other_name I-other_name O O B-other_name I-other_name I-other_name O O O O O O O O O O O O O O O O O O O O O O