The transfected cell lines expressed elevated levels of spi-1 mRNA and protein and high Spi-1 -DNA binding activity .
the transfected cell lines expressed elevated levels of spi-1 mrna and protein and high spi-1 -dna binding activity .
O B-cell_line I-cell_line I-cell_line O O O O B-protein_molecule O O O O O B-protein_molecule O O O O