glucagon
cAMP [protein kinase A]
epinephrine (β, α2)
cAMP [protein kinase A]
epinephrine (α1)
IP3/DAG [protein kinase C]
ANP
cGMP [protein kinase G]
nitric oxide
cGMP [protein kinase G]
insulin
tyrosine kinase [JAK-STAT]
insulin-like growth factor
tyrosine kinase [JAK-STAT]
glucocorticoids
intracellular
thyroid hormones
intracellular