proteiinisignaalien
Proteiinisignaalien, often translated as protein signaling, refers to the complex communication networks within and between cells that regulate nearly all cellular processes. These signals are crucial for cell growth, differentiation, metabolism, and response to the environment. The process typically involves a signaling molecule, such as a hormone or neurotransmitter, binding to a specific receptor on the cell surface or within the cell. This binding event triggers a cascade of intracellular events, often involving the activation or inactivation of other proteins, known as signal transduction.
These cascades amplify the initial signal and can lead to a variety of cellular responses. For example,