ArticleFrontiers in aging2021
Defining the Dynamic Regulation of O-GlcNAc Proteome in the Mouse Cortex---the O-GlcNAcylation of Synaptic and Trafficking Proteins Related to Neurodegenerative Diseases.
Article in Frontiers in aging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 24 citations in OpenAlex.
- Site-Specific and Quantitative O-GlcNAc Proteomics for Hepatocellular Carcinoma.Journal of proteome research · 2026Article
- WSGC@FA@PEG/PEI-SPIONs Mitigate Chemoresistance in Gastric Adenocarcinoma by Modulating the Notch Signaling Pathway and Mitophagy.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Brain Transcriptome Changes Associated With an Acute Increase of Protein O-GlcNAcylation and Implications for Neurodegenerative Disease.Journal of neurochemistry · 2025Article
- Ultradeep O-GlcNAc proteomics reveals widespread O-GlcNAcylation on tyrosine residues of proteins.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The post-translational modification O-GlcNAc is a sensor and regulator of metabolism.Open biology · 2024Review
- Glycosylation in aging and neurodegenerative diseases.Acta biochimica et biophysica Sinica · 2024Review
- Roles of O-GlcNAcylation in Mitochondrial Homeostasis and Cardiovascular Diseases.Antioxidants (Basel, Switzerland) · 2024Review
- Top/Middle-Down Characterization of α-Synuclein Glycoforms.Analytical chemistry · 2023Article
- Understanding and exploiting the roles of O-GlcNAc in neurodegenerative diseases.The Journal of biological chemistry · 2023Review
- Chemical Biology Approaches to Understanding Neuronal O-GlcNAcylation.Israel journal of chemistry · 2023Article
- Review
- Nutrient-sensitive protein O-GlcNAcylation shapes daily biological rhythms.Open biology · 2022Review
- Acute inhibition of OGA sex-dependently alters the networks associated with bioenergetics, autophagy, and neurodegeneration.Molecular brain · 2022Article
Corrections and comments
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
Abstract
O-linked conjugation of ß-N-acetyl-glucosamine (O-GlcNAc) to serine and threonine residues is a post-translational modification process that senses nutrient availability and cellular stress and regulates diverse biological processes that are involved in neurodegenerative diseases and provide potential targets for therapeutics development. However, very little is known of the networks involved in the brain that are responsive to changes in the O-GlcNAc proteome. Pharmacological increase of protein O-GlcNAcylation by Thiamet G (TG) has been shown to decrease tau phosphorylation and neurotoxicity, and proposed as a therapy in Alzheimer's disease (AD). However, acute TG exposure impairs learning and memory, and protein O-GlcNAcylation is increased in the aging rat brain and in Parkinson's disease (PD) brains. To define the cortical O-GlcNAc proteome that responds to TG, we injected young adult mice with either saline or TG and performed mass spectrometry analysis for detection of O-GlcNAcylated peptides. This approach identified 506 unique peptides corresponding to 278 proteins that are O-GlcNAcylated. Of the 506 unique peptides, 85 peptides are elevated by > 1.5 fold in O-GlcNAcylation levels in response to TG. Using pathway analyses, we found TG-dependent enrichment of O-GlcNAcylated synaptic proteins, trafficking, Notch/Wnt signaling, HDAC signaling, and circadian clock proteins. Significant changes in the O-GlcNAcylation of DNAJC6/AUXI, and PICALM, proteins that are risk factors for PD and/or AD respectively, were detected. We compared our study with two key prior O-GlcNAc proteome studies using mouse cerebral tissue and human AD brains. Among those identified to be increased by TG, 15 are also identified to be increased in human AD brains compared to control, including those involved in cytoskeleton, autophagy, chromatin organization and mitochondrial dysfunction. These studies provide insights regarding neurodegenerative diseases therapeutic targets.
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