Using the specific MAPK /extracellular signal-regulated kinase kinase ( MAPK kinase ) inhibitor PD98059 , we found that MAPK activation is necessary for FcR -dependent activation of the nuclear factor NF-kappaB .
using the specific mapk /extracellular signal-regulated kinase kinase ( mapk kinase ) inhibitor pd98059 , we found that mapk activation is necessary for fcr -dependent activation of the nuclear factor nf-kappab .
O O O B-protein_family_or_group O O O O O O O O O B-other_organic_compound O O O O B-protein_family_or_group O O O O B-protein_family_or_group O O O O B-protein_family_or_group I-protein_family_or_group B-protein_complex O