Recently , several groups have described marked alterations in signal transduction elements in T cells from cancer patients or in mice bearing tumor for a few weeks ( >26 days ) .
recently , several groups have described marked alterations in signal transduction elements in t cells from cancer patients or in mice bearing tumor for a few weeks ( >26 days ) .
O O O O O O O O O B-other_name I-other_name I-other_name O B-cell_type I-cell_type O B-multi_cell I-multi_cell O O B-multi_cell O B-tissue O O O O O O O O O