SECOND MESSENGER | Anatomy2Medicine
SECOND MESSENGER

SECOND MESSENGER

Mechanisms of Hormone Action and Second Messengers

  • The mechanisms of hormone action on target cells are the
    • adenylyl cyclase mechanism
      • in which cAMP is the second messenger
    • the phospholipase C mechanism
      • in which IP3/Ca2+ is the second messenger
    • steroid hormone mechanism.
    • tyrosine kinase mechanism
      • insulin and insulin-like growth factors (IGFs)
    • guanylate cyclase,
      • cyclic GMP, or cGMP is the second messenger