Ion channels
Secondary messengers
#cAMP #cGMP #IP3 DAG #Calcium
G proteins
#Trimeric G proteins #Monomeric G proteins
Tyr kinase/MAP kinase
Chromaffin cells in adrenal medulla
cyclic nucleotide phosphoesterase (caffeine theophylline)
Practolo (心得灵） cardiac muscle cells possess b1 eceptor continuously
Smooth muscle cells have b2 receptor whose activation promotes relaxation
specificity amplification desensitization Guanylyl cyclase