Second Messengers. Glucose Mobilization- cAMP. A second Major signalling Pathway. Glucagon + Epinephrine (Hormone) acts on liver cells ----------- promotes release of glucose to blood stream. Insulin acts on liver and muscle cells to initiate an opposite series of reaction.
(i.e) glucose is removed from blood stream and polymerized as glycogen.
also called as rassignalingpathway
A mitogen is a chemical substance that encourages a cell to commence cell division, triggering mitosis. A mitogen is usually some form of a protein.
MAP Kinase cascade-similar to cAMP- Both cAMP & MAP Kinase is extracellular signals influence gene expression