In comparison , UT-7 Epo cells expressed alpha-globin and higher levels of gamma-globin ( 5-fold ) and beta-globin ( from barely to clearly detectable ) .
in comparison , ut-7 epo cells expressed alpha-globin and higher levels of gamma-globin ( 5-fold ) and beta-globin ( from barely to clearly detectable ) .
O O O B-cell_line I-cell_line I-cell_line O O O O O O B-protein_molecule O O O O B-protein_molecule O O O O O O O O