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Effect of in utero and lactational exposure to a thyroid hormone system disrupting chemical on mouse metabolome and brain transcriptome
2024
Poulsen, Rikke | Zekri, Yanis | Guyot, Romain | Flamant, Frederic | Hansen, Martin | Aarhus University [Aarhus] | Institut de Génomique Fonctionnelle de Lyon (IGFL) ; École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL) ; Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | We acknowledge funding from European Union's Horizon 2020 research and innovation program, under grant agreement No. 825753 (ERGO). This output reflects only the author's view, and the European Union cannot be held responsible for any use that may be made of the information contained therein. We also acknowledge the Carlsberg Foundation (grant no. CF20-0422) and MH acknowledge the financial support from Aarhus University Research Foundation (AUFF-T-2017- FLS-7-4). | European Project: 825753,ERGO
International audience | Mice were exposed to a low dose of the model thyroid hormone disruptor, propylthiouracil. Although this had only a modest effect on maternal thyroid hormones production, postnatal analysis of the pups’ plasma by mass spectrometry and the brain striatum by RNA sequencing gave evidence of low lasting changes that could reflect an adverse effect on neurodevelopment. Overall, these methods proved to be sensitive enough to detect minor disruptions of thyroid hormone signalling in vivo.
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