growth factor signaling

Growth factor signaling is a process where specific proteins, called growth factors, bind to receptors on the surface of cells. This triggers a series of internal signals that tell the cell to grow, divide, or repair itself. It's essential for development, healing, and maintaining healthy tissues. Think of it like a relay race: the growth factor hands the baton to the receptor, which then passes the signal inside the cell to activate actions necessary for growth and survival. Proper signaling ensures cells function correctly; disruptions can lead to issues like uncontrolled growth or diseases.