Agents which increased cAMP levels , including cholera toxin , pertussis toxin , dibutyryl cAMP , and isoproterenol mimicked the actions of MM-LDL .
agents which increased camp levels , including cholera toxin , pertussis toxin , dibutyryl camp , and isoproterenol mimicked the actions of mm-ldl .
O O O B-nucleotide O O O B-other_organic_compound I-other_organic_compound O B-other_organic_compound I-other_organic_compound O B-amino_acid_monomer I-amino_acid_monomer O O B-other_organic_compound O O O O B-protein_family_or_group O