Definition of "mitogen" [mitogen]

• An agent that induces mitosis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The protein process, a series of chemical reactions officially known as the mitogen activated protein kinase (MAPK) signal transduction cascade, plays a role in many cellular functions, including cell growth and development, cell division, and death."
• "Over the period of five weeks, the researchers found that cigarette smoke turned on enzymes called mitogen-activated protein kinases linked to cell growth and survival in heart muscle."
• "Extracellular regulated kinase (ERK) 1/2, also called mitogen-activated protein kinase (MAPK), has been reported to phosphorylate cytosolic phospholipase A2 (cPLA"