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There is still more to be learned about the impact of enhancing global protein O\u2010GlcNAcylation, which is important for understanding the potential of using OGA inhibition to treat neurodegenerative diseases. In this study, we investigated the acute effect of pharmacologically increasing O\u2010GlcNAc levels, using the OGA inhibitor Thiamet G (TG), in normal mouse brains. We hypothesized that the transcriptome signature in response to a 3 h TG treatment (50\u2009mg\/kg) provides a comprehensive view of the effect of OGA inhibition. We then performed mRNA sequencing of the brain using NovaSeq PE 150 (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u20095 each group). We identified 1234 significant differentially expressed genes with TG versus saline treatment. Functional enrichment analysis of the upregulated genes identified several upregulated pathways, including genes normally down in AD. Among the downregulated pathways were the cell adhesion pathway as well as genes normally up in AD and aging. When comparing acute to chronic TG treatment, protein autophosphorylation and kinase activity pathways were upregulated, whereas cell adhesion and astrocyte markers were downregulated in both datasets. AMPK subunit Prkab2 was one gene in the kinase activity pathway, and the increase after acute and chronic treatment was confirmed using qPCR. Interestingly, mitochondrial genes and genes normally down in AD were up in acute treatment and down in chronic treatment. Data from this analysis will enable the evaluation of the mechanisms underlying the impact of OGA inhibition in the treatment of AD. In particular, OGA inhibitors appear to have downstream effects related to bioenergetics which may limit their therapeutic benefits.\n                    <jats:boxed-text content-type=\"graphic\" position=\"anchor\">\n                      <jats:graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" mimetype=\"image\/png\" position=\"anchor\" specific-use=\"enlarged-web-image\" xlink:href=\"graphic\/jnc16302-fig-0008-m.png\">\n                        <jats:alt-text>image<\/jats:alt-text>\n                      <\/jats:graphic>\n                    <\/jats:boxed-text>\n                  <\/jats:p>","DOI":"10.1111\/jnc.16302","type":"journal-article","created":{"date-parts":[[2025,1,17]],"date-time":"2025-01-17T14:20:05Z","timestamp":1737123605000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Brain Transcriptome Changes Associated With an Acute Increase of Protein O\u2010\n                    <scp>GlcNAcylation<\/scp>\n                    and Implications for Neurodegenerative Disease"],"prefix":"10.1111","volume":"169","author":[{"given":"Margaret B.","family":"Bell","sequence":"first","affiliation":[{"name":"Department of Pathology University of Alabama at Birmingham  Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariame S.","family":"Kane","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Alabama at Birmingham  Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaosen","family":"Ouyang","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Alabama at Birmingham  Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin E.","family":"Young","sequence":"additional","affiliation":[{"name":"Department of Medicine University of Alabama at Birmingham  Birmingham Alabama 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