The involvement of a calmodulin-dependent phosphodiesterase in the negative control of carbamylcholine on cyclic AMP levels in dog thyroid slices.

1-Methyl-3-isobutylxanthine/pharmacology 3',5'-Cyclic-AMP Phosphodiesterases/metabolism 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone/pharmacology Animals Calcium-Binding Proteins/pharmacology Calmodulin/pharmacology Carbachol/pharmacology Cyclic AMP/metabolism Cyclic Nucleotide Phosphodiesterases, Type 1 Dogs In Vitro Techniques Kinetics Thyroid Gland/drug effects,metabolism

Calcium-Binding Proteins Calmodulin 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone Carbachol Cyclic AMP 3',5'-Cyclic-AMP Phosphodiesterases Cyclic Nucleotide Phosphodiesterases, Type 1 1-Methyl-3-isobutylxanthine