Thus , we were able to derive a hematopoietic cell line , called 47 . 10 , that grew indefinitely under these conditions , whereas no cell line could be developed from nontransgenic mice .
thus , we were able to derive a hematopoietic cell line , called 47 . 10 , that grew indefinitely under these conditions , whereas no cell line could be developed from nontransgenic mice .
O O O O O O O O B-cell_line I-cell_line I-cell_line O O B-cell_line I-cell_line I-cell_line O O O O O O O O O O O O O O O O B-multi_cell I-multi_cell O