Binding Interactions of Lysergic Acid Diethylamide and Related Agents with Dopamine Receptors in the Brain

Summary & key facts

The researchers measured how lysergic acid diethylamide, better known as LSD, and a few similar chemicals attach to dopamine receptors in brain tissue. They found that LSD and some related agents do bind to certain dopamine receptor types, but how strongly they bind depends on the specific drug and the receptor. These lab results suggest dopamine systems may play a part in LSD's complex actions in the brain, but they do not prove what causes the psychedelic experience in people.

Key facts:

• The team used laboratory tests on brain tissue to see how well LSD and related chemicals stick to dopamine receptors. A receptor is a protein on a brain cell that a drug can attach to.
• LSD and some related agents do attach to some dopamine receptor types, but the amount of attachment varies by drug and by receptor.
• Finding that a drug binds to a receptor in a dish does not prove it causes the same effect in a living person. How a drug acts in the body also depends on dose, metabolism, and other brain systems.
• Because LSD binds to dopamine receptors as well as other receptors, the drug's effects are likely the result of multiple brain systems acting together, not a single one.
• The study helps scientists map which brain receptors different psychedelic chemicals interact with. That mapping can guide further research into how these drugs affect behavior and perception.

Topics

Neurotransmitter Receptor Influence on Behavior Plant and fungal interactions Psychedelics and Drug Studies

Categories

Clinical Psychology Psychology Social Sciences

Tags

5-HT receptor Biochemistry Biology Caudate nucleus Chemistry Dopamine Dopamine receptor Endocrinology Lysergic acid diethylamide Pharmacology Postsynaptic potential Receptor Serotonin

Substances

LSD