PCPA: The Brain’s Serotonin Switch
Introduction and Definition Parachlorophenylalanine, widely known by its abbreviation PCPA or sometimes p-chlorophenylalanine, is a specialized chemical compound classified primarily as a pharmacological tool used extensively in neuroscientific research. It functions as a potent and often irreversible inhibitor of the enzymatic processes responsible for the synthesis of the crucial neurotransmitter serotonin (5-hydroxytryptamine, or 5-HT). Structurally, […]