CEM-C7 , a human leukemic CD4+ T-lymphocyte cell line and three of its subclones , CEM-4R4 , CEM-3R43 , and ICR-27 , previously cultured in a medium supplemented with 5 to 10% fetal bovine serum , have been adapted to serum-free media .
cem-c7 , a human leukemic cd4+ t-lymphocyte cell line and three of its subclones , cem-4r4 , cem-3r43 , and icr-27 , previously cultured in a medium supplemented with 5 to 10% fetal bovine serum , have been adapted to serum-free media .
B-cell_line O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O O O O O B-cell_line O B-cell_line O O B-cell_line O O O O O O O O O O O B-tissue I-tissue I-tissue O O O O O B-other_organic_compound I-other_organic_compound O