PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21187369-5 2011 We also observed that the PDE8-selective inhibitor (PF-04957325) potentiates adrenocorticotropin stimulation of steroidogenesis by increasing cAMP-dependent protein kinase activity in both primary isolated adrenocortical cells and Y-1 cells. PF-04957325 52-63 phosphodiesterase 8B Mus musculus 26-30