Therefore , we also evaluated activation of the MAP kinase extracellular signal-regulated kinase ( ERK ) 2 by the phorbol ester phorbol 12-myristate 13-acetate ( PMA ) .
therefore , we also evaluated activation of the map kinase extracellular signal-regulated kinase ( erk ) 2 by the phorbol ester phorbol 12-myristate 13-acetate ( pma ) .
O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O O B-other_organic_compound I-other_organic_compound B-other_organic_compound I-other_organic_compound I-other_organic_compound O B-other_organic_compound O O