Effect of Cannabinoids on Brain Metabolites: A Review of Animal and Human Studies

Jiyoung Ma, In Kyoon Lyoo, Perry F. Renshaw, Deborah A. Yurgelun-Todd

Research output: Contribution to journalArticlepeer-review

Abstract

Cannabis has been widely used medically and recreationally for centuries. With a renewed interest in the therapeutic use of cannabinoids, which are active components of Cannabis sativa, it has become important to understand the cannabinoids’ neurobiological mechanisms related to both therapeutic and harmful effects. This review summarizes the effects of two major cannabinoids, delta-9-tetrahydrocannabinol and cannabidiol, on brain metabolites. We focus on human studies applying 1H-magnetic resonance spectroscopy (MRS) and animal studies using more invasive and direct methods to measure brain metabolites associated with glutamatergic neurotransmission or glial and neuronal functions. Although studies are limited in number, current evidence suggests that two major cannabinoids, which are thought to have differential effects on the brain, may alter the brain metabolite levels in distinct ways from each other. Potential limitations of present studies of cannabinoids on brain metabolites and suggestions regarding future studies are also discussed. We believe that issues clarified in this review may contribute to the design of future studies of cannabinoids on brain metabolites.

Original languageEnglish
JournalExperimental and Clinical Psychopharmacology
DOIs
StateAccepted/In press - 2022

Keywords

  • Cannabidiol
  • Cannabis
  • Delta-9-tetrahydrocannabinol
  • Magnetic resonance spectroscopy

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