Metabolic memory of Δ9-tetrahydrocannabinol exposure in pluripotent stem cells and primordial germ cells-like cells.

Metabolic memory of Δ9-tetrahydrocannabinol exposure in pluripotent stem cells and primordial germ cells-like cells.
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多能干细胞和原始生殖细胞样细胞中α9-四氢大麻酚暴露的代谢记忆。

DOI:
10.1101/2023.03.13.531968
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发表时间:
2023
期刊:
bioRxiv : the preprint server for biology
影响因子:
--
通讯作者:
Allard,Patrick
Allard,Patrick
中科院分区:
--
文献类型:
--
作者:
Verdikt,Roxane;Armstrong,AbigailA;Cheng,Jenny;Hwang,YoungSun;Clark,AmanderT;Yang,Xia;Allard,Patrick

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大麻是世界上消费最多的非法精神药物,孕妇越来越多地使用大麻。然而,虽然大麻素受体在早期胚胎中表达,但植物大麻素暴露对早期胚胎过程的影响是缺乏的。在这里,我们利用一个循序渐进的体外分化系统,捕捉早期胚胎发育级联,研究暴露于最丰富的植物大麻素Δ9-tetrahydrocannabinol (Δ9-THC)的影响。我们证明Δ9-THC增加了原始小鼠胚胎干细胞(ESCs)的增殖,而不是它们的引物对应物。令人惊讶的是,这种依赖于CB1受体结合的增殖增加只与适度的转录组变化有关。相反,Δ9-THC通过提高ESCs的糖酵解率和合成代谢能力来利用ESCs的代谢二价性。在没有直接暴露的情况下,这种代谢重新布线的记忆在分化到原始生殖细胞样细胞的整个过程中被保留,并与它们的转录谱的改变有关。这些结果代表了Δ9-THC暴露对生殖系发育早期阶段影响的首次深入分子表征。
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.
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影响因子: 14.9
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