NCIt definition : Ubiquitously or widely expressed human CREB Family Genes (bZIP/CREB Family) encode
conserved cAMP Responsive Element Binding Proteins, nuclear bZIP domain dimeric transcription
factors that bind to octameric DNA palindrome cAMP-response elements (CRE) present
in many viral and cellular promoters and induce gene transcription in response to
cAMP signaling pathways. CREB proteins bind to DNA as a homodimer or a heterodimer
with JUN/c-Jun or ATF2/CREBP1. Increased cAMP levels following stimulation activate
cAMP-dependent protein kinase A, which phosphorylates CREB proteins that stimulate
transcription of cAMP-responsive genes. Calcium-regulated CREB transcription factors
integrate calcium and cAMP signals. cAMP pathways provide a chief means by which cellular
growth, differentiation, and function can be influenced by extracellular signals.
(NCI);