Geon Signaling Via G-Protein-Coupled Receptors

 

Abstract

This article first reviews the basic functions of G proteins and G protein-coupled receptors (GPCRs), followed by the signaling cascades induced by major neurotransmitters, including norepinephrine, acetylcholine, glutamate, dopamine and serotonin (5-HT). The exact signaling pathways depend on GPCR subtypes. This article also discusses the G protein-gated inwardly rectifying potassium (GIRK) channels and explain how alcohol reduces conscious level.

 

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