ArticleNature neuroscience2026
Glucose-dependent spatial and temporal modulation of oligodendrocyte progenitor cell proliferation via ACLY-regulated histone acetylation.
Article in Nature neuroscience, 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
How it is determined whether postnatal oligodendrocyte progenitor cells (OPCs) will survive, proliferate or differentiate remains unclear. Here we suggest that temporal and brain regional fluctuations of glucose, concomitant with changes in vascularization, modulate OPC population dynamics. We found that regions with high glucose levels exhibited greater OPC proliferation and histone acetylation than regions with low glucose and that this was mediated by the enzyme ATP-citrate lyase (ACLY), which converts glucose-derived citrate to acetyl-CoA. Mice with Acly deletion in OPCs showed a transient hypomyelination phenotype resulting from decreased OPC numbers, whereas their differentiation into oligodendrocytes (OLs) proceeded due to compensatory upregulation of enzymes responsible for extranuclear generation of acetyl-CoA from alternative metabolic substrates. Therefore, OPCs rely on ACLY-dependent nuclear acetyl-CoA from glucose-derived citrate, to regulate proliferation, whereas OLs rely on extranuclear acetyl-CoA from other sources for myelin formation. This suggests a metabolic regulation of OL lineage cell population dynamics.
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