Pathway maps

Beta-2 adrenergic-dependent CFTR expression
Beta-2 adrenergic-dependent CFTR expression

Object List (links open in MetaCore):

Beta-1 adrenergic receptor, PKA-cat (cAMP-dependent), CFTR, ATF-1, Noradrenaline extracellular region, cAMP,, Adenylate cyclase, PKA-reg (cAMP-dependent), Beta-3 adrenergic receptor, ATP, Adrenaline extracellular region, G-protein alpha-s, Beta-2 adrenergic receptor, CREB1


Beta-adrenergic-dependent CFTR expression

Beta-adrenergic receptor modulates expression of the Cystic fibrosis transmembrane conductance regulator ( CFTR ) [1] via elevation of Adenosine 3',5'-cyclic phosphate -( cAMP ) mediated by GNAS complex locus ( G - protein alpha-s )/ Adenylate cyclase/ cAMP. High cAMP concentration leads to activation of the PKA and, subsequently, of cAMP responsive element binding protein 1 ( CREB1 ) and transcription factor 1 ( ATF-1 )-dependent transcription of CFTR. cAMP-dependent activation of CFTR transcription is still being studied and appears to be more complex than believed previously [2], [3], [1].


  1. Matthews RP, McKnight GS
    Characterization of the cAMP response element of the cystic fibrosis transmembrane conductance regulator gene promoter. The Journal of biological chemistry 1996 Dec 13;271(50):31869-77
  2. Pittman N, Shue G, LeLeiko NS, Walsh MJ
    Transcription of cystic fibrosis transmembrane conductance regulator requires a CCAAT-like element for both basal and cAMP-mediated regulation. The Journal of biological chemistry 1995 Dec 1;270(48):28848-57
  3. McDonald RA, Matthews RP, Idzerda RL, McKnight GS
    Basal expression of the cystic fibrosis transmembrane conductance regulator gene is dependent on protein kinase A activity. Proceedings of the National Academy of Sciences of the United States of America 1995 Aug 1;92(16):7560-4