Hemicholinium-3

Hemicholinium-3.svg

Hemicholinium-3 (HC-3) is a chemical compound that acts as an inhibitor of the high-affinity choline transporter (CHT1). It is primarily used in neuroscience research to study the role of acetylcholine in the nervous system.

Mechanism of Action

Hemicholinium-3 inhibits the uptake of choline into the presynaptic terminal of cholinergic neurons. By blocking the high-affinity choline transporter, HC-3 reduces the availability of choline for the synthesis of acetylcholine. This leads to a decrease in acetylcholine production and release, thereby affecting cholinergic neurotransmission.

Applications in Research

HC-3 is widely used in research to investigate the function of cholinergic systems in the brain and peripheral nervous system. It helps in understanding the role of acetylcholine in various physiological and pathological processes, including memory, learning, and neurodegenerative diseases such as Alzheimer's disease.

Pharmacology

Hemicholinium-3 is not used therapeutically due to its potent inhibitory effects on acetylcholine synthesis. Its primary use is in experimental settings to study the dynamics of cholinergic neurotransmission.

Safety and Handling

As a research chemical, HC-3 should be handled with care. Appropriate safety measures, including the use of personal protective equipment (PPE), should be followed to avoid exposure.

Related Compounds

• Vesamicol - another inhibitor that affects acetylcholine storage.
• Physostigmine - an acetylcholinesterase inhibitor that increases acetylcholine levels.

See Also

• Choline
• Acetylcholine
• Cholinergic system
• Neurotransmitter
• Synapse

External Links

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