article 18 cyclic AMP dependent protein kinase inhibitor 18 cyclic AMP dependent protein kinase 16 controlled study 14 enzyme inhibition 12 nonhuman 12 cyclic AMP 10 enzyme activation 10 priority journal 10 protein kinase C inhibitor 10 signal transduction 8 unclassified drug 8 Cyclic AMP-Dependent Protein Kinases 6 animal cell 6 cell line 6 chorionic gonadotropin 6 enzyme activity 6 enzyme phosphorylation 6 human 6 human cell 6 male 6 messenger RNA 6 mitogen activated protein kinase 6 protein expression 6 1 (5 isoquinolinesulfonyl) 2 methylpiperazine 4 Animals 4 Base Sequence 4 Bewo cell 4 Blotting, Western 4 Cell Line, Tumor 4