ArticleNeurobiology of disease2026
ACSS2 mediates prenatal alcohol exposure-related morphological and behavioral phenotypes.
Article in Neurobiology of disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The metabolic enzyme Acetyl-CoA Synthetase 2 (ACSS2) recently emerged as an unexpected regulator of molecular and behavioral changes associated with alcohol use. Its role during prenatal exposure, however, remains unknown. Here, we use a combination of proteomic, genomic and behavioral approaches to establish ACSS2 as a key mediator of prenatal alcohol exposure-related phenotypes. We define the developmental window during which ACSS2 translocates to nuclei in the mouse brain, and show that alcohol-derived acetate is incorporated into fetal brain histone acetylation in utero. Using genetically engineered mice not expressing ACSS2, we demonstrate that loss of this enzyme attenuates chronic prenatal alcohol exposure-induced craniofacial abnormalities, motor function deficits, cognitive impairments as well as associated chromatin and gene expression changes in the dorsal hippocampus and the cerebellar vermis. Our results outline a previously unknown mechanism underlying prenatal alcohol exposure-related phenotypes regulated by ACSS2, which will inform the development of future therapeutic interventions.
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