Enzyme-Linked Receptor Signaling
Receptors with intrinsic enzymatic activity or direct enzyme coupling.
G-Protein Coupled Receptor Signaling
The most common family of drug receptor signaling pathways.
Intracellular Receptor Signaling
Signaling through receptors located within the cell cytoplasm or nucleus.
Ion Channel Signaling
Rapid signaling through ligand-gated and voltage-gated ion channels.
Second Messenger Systems
Intracellular signaling molecules that amplify and transmit receptor signals.
