tokens: Inhibition of the MAP kinase cascade with PD98059 , a specific inhibitor of MAPK kinase 1 , prevented the expression of the alpha2 integrin subunit in cells induced to become megakaryocytic .
folded_tokens: inhibition of the map kinase cascade with pd98059 , a specific inhibitor of mapk kinase 1 , prevented the expression of the alpha2 integrin subunit in cells induced to become megakaryocytic .
labels: O O O B-protein_family_or_group I-protein_family_or_group O O B-other_organic_compound O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O B-protein_subunit I-protein_subunit I-protein_subunit O O O O O O O