Molecular Targets of Cannabidiol warn against its consumption during pregnancy

Main Article Content

Emily Anne Bates, PhD Won Chan Oh

Abstract

People use cannabidiol (CBD), the primary non-psychoactive cannabinoid of cannabis, as a treatment for symptoms that are commonly associated with pregnancy including nausea, pain, and anxiety. Many people believe CBD is safe to take during pregnancy. However, CBD crosses the placenta and affects the activity of protein targets that are expressed in the fetal brain. Cannabidiol alters the activity of ion channels including voltage-gated sodium, potassium, and calcium channels that control the electrical activity of neurons. Abnormal electrical activity could disrupt brain function via changes in axon growth and synapse structure and function. Furthermore, CBD alters the activity of G-protein coupled receptors that are expressed in the fetal brain and are important for axon growth and guidance suggesting that fetal exposure could prevent axons from reaching their correct targets. Indeed, cannabidiol exposure reduces axon growth in vitro and in vivo. This raises the possibility that CBD consumption during pregnancy could disrupt fetal brain development. Recent studies show that oral cannabidiol consumption during pregnancy alters the excitability of the pyramidal neurons of the prefrontal cortex and affects postnatal cognitive function in mouse offspring. Furthermore, fetal CBD exposure increases thermal pain sensitivity in offspring. Gestational cannabidiol exposure affects compulsivity and memory in a different rodent model. Here, we discuss how CBD affects various ion channels and G-protein coupled receptors, the roles of these proteins in neurodevelopment, and evidence that CBD affects brain development.

Keywords: Cannabidiol, pregnancy, Cannabidiol warn

Article Details

How to Cite
BATES, Emily Anne; OH, Won Chan. Molecular Targets of Cannabidiol warn against its consumption during pregnancy. Medical Research Archives, [S.l.], v. 12, n. 5, june 2024. ISSN 2375-1924. Available at: <https://esmed.org/MRA/mra/article/view/5450>. Date accessed: 19 june 2024. doi: https://doi.org/10.18103/mra.v12i5.5450.
Section
Review Articles

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