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- Title
Metabolic memory of Δ9-tetrahydrocannabinol exposure in pluripotent stem cells and primordial germ cells-like cells.
- Authors
Verdikt, Roxane; Armstrong, Abigail A.; Jenny Cheng; Young Sun Hwang; Clark, Amander T.; Xia Yang; Allard, Patrick
- Abstract
Cannabis, the most consumed illicit psychoactive drug in the world, is increasingly used by pregnant women. However, while cannabinoid receptors are expressed in the early embryo, the impact of phytocannabinoids exposure on early embryonic processes is lacking. Here, we leverage a stepwise in vitro differentiation system that captures the early embryonic developmental cascade to investigate the impact of exposure to the most abundant phytocannabinoid, Δ9-tetrahydrocannabinol (Δ9-THC). We demonstrate that Δ9-THC increases the proliferation of naive mouse embryonic stem cells (ESCs) but not of their primed counterpart. Surprisingly, this increased proliferation, dependent on the CB1 receptor binding, is only associated with moderate transcriptomic changes. Instead, Δ9-THC capitalizes on ESCs' metabolic bivalence by increasing their glycolytic rates and anabolic capabilities. A memory of this metabolic rewiring is retained throughout differentiation to Primordial Germ Cell-Like Cells in the absence of direct exposure and is associated with an alteration of their transcriptional profile. These results represent the first in-depth molecular characterization of the impact of Δ9-THC exposure on early stages of germline development.
- Subjects
CANNABINOID receptors; EMBRYONIC stem cells; PSYCHIATRIC drugs; CANNABINOIDS; PREGNANT women; PLURIPOTENT stem cells
- Publication
eLife, 2023, p1
- ISSN
2050-084X
- Publication type
Article
- DOI
10.7554/eLife.88795