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Mutagenicity testing of 3 hallucinogens: LSD, psilocybin and‡ 9-THC using the micronucleus test

Greg Went

Cellular and Molecular Life Sciences March 1, 1978 DOI: 10.1007/bf01923013 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Population Mice
Interventions LSD psilocybin delta-9-THC
Dose 3 logarithmically increasing doses
Topics Psilocybin Cannabis LSD
Keywords Hallucinogen Micronucleus test Pharmacology
Citations 43
Key findings LSD, psilocybin, and delta-9-THC did not cause a significant increase in micronuclei in mice, while azathioprine did.

Abstract

Using the micronucleus test as a screening method for mutagenic activity, no significant increase in the number of micronuclei was found when LSD, psilocybin or delta 9-THC were administered in 3 logarithmically increasing doses to mice, Azathioiprine (Imuran), given as a positive control, caused a statistically significantt increase in the micronucleated cells.

Comparable studies

Other preclinical and animal studies on LSD, most cited first.

Study Year Design Participants
Transcriptome Fingerprints Distinguish Hallucinogenic and Nonhallucinogenic 5-Hydroxytryptamine 2A Receptor Agonist Effects in Mouse Somatosensory Cortex Human embryonic kidney 293 cells stably expressing 5-HT2ARs; wild-type and 5-HT2AR... 2003 Experimental study
Evidence for a central 5‐hydroxytryptamine receptor stimulation by lysergic acid diethylamide Rats 1968 Experimental study
Psychedelics, but Not Ketamine, Produce Persistent Antidepressant-like Effects in a Rodent Experimental System for the Study of Depression Rats 2020 Preclinical study
Lysergic acid diethylamide (LSD) promotes social behavior through mTORC1 in the excitatory neurotransmission Male mice 2021 Multidisciplinary experimental study with in vivo electrophysiology, optogenetics, behavioral paradigms, molecular biology, and conditional knockout mice
A non-hallucinogenic LSD analog with therapeutic potential for mood disorders. Mice and cultured rat cortical neurons 2023 Preclinical study

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