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Genetic effects of marijuana.
1Division of Natural Science, Glendon College, York University, Toronto, Ontario, Canada.
The International Journal of the Addictions
|January 1, 1990
Summary
Cannabinoids like THC, CBN, and CBD from marijuana can harm mammalian cells by causing chromosome damage and suppressing essential synthesis. These effects suggest cannabinoids are generally detrimental to individual health.
Area of Science:
- Cell Biology
- Genetics
- Pharmacology
Background:
- Marijuana contains cannabinoids such as tetrahydrocannabinol (THC), cannabinol (CBN), and cannabidiol (CBD).
- These compounds are known to interact with mammalian cells, but their precise effects require further elucidation.
Purpose of the Study:
- To investigate the cytogenetic and molecular effects of cannabinoids on mammalian cells.
- To understand the mechanisms underlying cannabinoid-induced cellular damage.
Main Methods:
- Review of existing in vivo and in vitro cytogenetic studies.
- Analysis of data on cannabinoid-induced chromosome aberrations.
- Examination of effects on macromolecular synthesis (DNA, RNA, protein) and gene expression.
Main Results:
- Cannabinoids induce various chromosome aberrations, including breaks, deletions, translocations, and segregation errors.
- These effects stem from clastogenic actions or disruption of mitotic events.
- Cannabinoids suppress DNA, RNA, and protein synthesis and reduce histone gene expression.
Conclusions:
- Cannabinoids demonstrably induce cytogenetic damage and interfere with fundamental cellular processes.
- Conflicting study results may arise from variations in experimental design.
- Overall, cannabinoids appear detrimental to mammalian cell health.