AC	Adenylate cyclase/adenylyl cyclase
ATP	Adenosine 5’-triphosphate
cAMP	3’,5’-adenosine monophosphate
CNG	Cyclic nucleotide-gated ion channel
CRE	Cyclic nucleotide-regulated element (TGACGTCA)
CREB	Cyclic nucleotide-regulated element-binding protein
DMEM	Dulbecco’s minimal essential medium
EGR1	Early growth response protein 1 (synonyms: zif268, NGFI-A, Krox-24, TIS8, ZENK)
EPAC	Exchange factor directly activated by cAMP
FBS	Fetal bovine serum
FGF1	Fibroblast growth factor 1/ acidic fibroblast growth factor
OEA	Organic anion exchanger/transporter
PDE	3’,5’-cyclic nucleotide phosphodiesterase
PKA	3’,5’-monophosphate-dependent protein kinase
RLU	Relative luminescence unit