Summary
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 Δ9-THC were administered in 3 logarithmically increasing doses to mice. Azathioprine (Imuran®), given as a positive control, caused a statistically significant increase in micronucleated cells.
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G. F. Van Went, to be published.
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Acknowledgment. The expert technical assistance of Mr Joop Branger is greatfully acknowledged. We thank Prof. Dr C. A. Salemink, University of Utrecht, for the supply of the THC, and Dr J. Fokkens, National Institute of Public Health, for preparing the solutions.
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Van Went, G.F. Mutagenicity testing of 3 hallucinogens: LSD, psilocybin and‡ 9-THC using the micronucleus test. Experientia 34, 324–325 (1978). https://doi.org/10.1007/BF01923013
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DOI: https://doi.org/10.1007/BF01923013