Because these genes play a positive role in cell proliferation , we suggest that this regulatory switch contributes to controlling entry into the cell cycle .
because these genes play a positive role in cell proliferation , we suggest that this regulatory switch contributes to controlling entry into the cell cycle .
O O O O O O O O O O O O O O O B-other_name I-other_name O O O O O O B-other_name I-other_name O