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Dupas T, Vergnaud A, Pelé T, Blangy-Letheule A, Aillerie V, Bouaud M, Erraud A, Maillard A, Hassoun D, Persello A, Lecomte J, Rivière M, Tessier A, Leroux AA, Rozec B, Denis M, Lauzier B. O-GlcNAcylation levels remain stable regardless of the anaesthesia in healthy rats. Sci Rep 2024; 14:10669. [PMID: 38724577 PMCID: PMC11082205 DOI: 10.1038/s41598-024-61445-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/06/2024] [Indexed: 05/12/2024] Open
Abstract
Anaesthetics are used daily in human and veterinary medicine as well as in scientific research. Anaesthetics have an impact on cell homeostasis especially through modulation of protein post-translational modifications. O-GlcNAcylation, a ubiquitous post-translational modification, plays a role in many biological processes. The aims of this study were to evaluate whether (1) anaesthesia influences O-GlcNAcylation and (2) its stimulation affects physiological parameters. Male Wistar rats (n = 38) were anaesthetized with ketamine-xylazine or isoflurane. They randomly received either an intravenous injection of Ringer's lactate or NButGT (10mg/kg) in order to increase O-GlcNAcylation levels. One hour after induction of anaesthesia, haemodynamic parameters and plasmatic markers were evaluated. Heart, brain and lungs were harvested and O-GlcNAcylation levels and O-GlcNAc-related enzymes were evaluated by western blot. Cardiac and pulmonary O-GlcNAcylation levels and cardiac, cerebral and pulmonary O-GlcNAc associated enzyme expression were not impacted with anaesthesia. Compared with ketamine-xylazine, isoflurane had a lower impact on blood pressure, heart rate and glycaemia. Pharmacological stimulation of O-GlcNAcylation by NButGT did not affect the physiological parameters. This study offers unprecedented insights into the regulation of O-GlcNAcylation and O-GlcNAc related enzymes during anaesthesia. Pharmacological stimulation of O-GlcNAcylation over a 1-h period did not disrupt the physiological balance in healthy anaesthetized rats.
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Affiliation(s)
- Thomas Dupas
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France.
| | - Amandine Vergnaud
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | - Thomas Pelé
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | | | - Virginie Aillerie
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | - Martin Bouaud
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | - Angélique Erraud
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | - Anaïs Maillard
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | - Dorian Hassoun
- INSERM, L'institut du thorax, CHU Nantes, CNRS, Nantes Université, 44000, Nantes, France
| | - Antoine Persello
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
| | - Jules Lecomte
- INSERM, L'institut du thorax, CHU Nantes, CNRS, Nantes Université, 44000, Nantes, France
| | - Matthieu Rivière
- Faculté des Sciences et des Techniques, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), UMR CNRS 6230, CNRS, Université de Nantes, Nantes, France
| | - Arnaud Tessier
- Faculté des Sciences et des Techniques, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), UMR CNRS 6230, CNRS, Université de Nantes, Nantes, France
| | - Aurélia A Leroux
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
- Oniris, 44300, Nantes, France
| | - Bertrand Rozec
- INSERM, L'institut du thorax, CHU Nantes, CNRS, Nantes Université, 44000, Nantes, France
| | - Manon Denis
- INSERM, L'institut du thorax, CHU Nantes, CNRS, Nantes Université, 44000, Nantes, France
| | - Benjamin Lauzier
- INSERM, L'institut du thorax, CNRS, Nantes Université, 8 Quai Moncousu, 44007, Nantes, France
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Bulangalire N, Claeyssen C, Douffi S, Agbulut O, Cieniewski-Bernard C. A novel 2D-electrophoresis method for the simultaneous visualization of phosphorylated and O-GlcNAcylated proteoforms of a protein. Electrophoresis 2024. [PMID: 38700120 DOI: 10.1002/elps.202400043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 04/16/2024] [Indexed: 05/05/2024]
Abstract
Post-translational modifications (PTMs), such as phosphorylation and O-N-acetyl-β-d-glucosaminylation (O-GlcNAcylation), are involved in the fine spatiotemporal regulation of protein functions, and their dynamic interplay is at the heart of protein language. The coexistence of phosphorylation and O-GlcNAcylation on a protein leads to the diversification of proteoforms. It is therefore essential to decipher the phosphorylation/O-GlcNAcylation interplay on protein species that orchestrates cellular processes in a specific physiological or pathophysiological context. However, simultaneous visualization of phosphorylation and O-GlcNAcylation patterns on a protein of interest remains a challenge. To map the proteoforms of a protein, we have developed an easy-to-use two-dimensional electrophoresis method with a single sample processing permitting simultaneous visualization of the phosphorylated and the O-GlcNAcylated forms of the protein of interest. This method, we termed 2D-WGA-Phos-tag-PAGE relies on proteoforms retardation by affinity gel electrophoresis. With this novel approach, we established the cartography of phospho- and glycoforms of αB-crystallin and desmin in the whole extract and the cytoskeleton protein subfraction in skeletal muscle cells. Interestingly, we have shown that the pattern of phosphorylation and O-GlcNAcylation depends of the subcellular subfraction. Moreover, we have also shown that proteotoxic stress condition increased the complexity of the pattern of PTMs on αB-crystallin.
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Affiliation(s)
- Nathan Bulangalire
- Univ. Lille, Univ. Artois, Univ. Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000, Lille, France
- CHU Lille, Université de Lille, F-59000, Lille, France
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005, Paris, France
| | - Charlotte Claeyssen
- Univ. Lille, Univ. Artois, Univ. Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000, Lille, France
| | - Sana Douffi
- Univ. Lille, Univ. Artois, Univ. Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000, Lille, France
| | - Onnik Agbulut
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005, Paris, France
| | - Caroline Cieniewski-Bernard
- Univ. Lille, Univ. Artois, Univ. Littoral Côte d'Opale, ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, F-59000, Lille, France
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Moore WM, Brea RJ, Knittel C, Wrightsman E, Hui B, Lou J, Ancajas CF, Best MD, Devaraj NK, Budin I. Subcellular imaging of lipids and sugars using genetically encoded proximity sensors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.01.592120. [PMID: 38746395 PMCID: PMC11092643 DOI: 10.1101/2024.05.01.592120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Live cell imaging of lipids and other metabolites is a long-standing challenge in cell biology. Bioorthogonal labeling tools allow for the conjugation of fluorophores to several phospholipid classes, but cannot discern their trafficking between adjacent organelles or asymmetry across individual membrane leaflets. Here we present fluorogen-activating coincidence sensing (FACES), a chemogenetic tool capable of quantitatively imaging subcellular lipid pools and reporting their transbilayer orientation in living cells. FACES combines bioorthogonal chemistry with genetically encoded fluorogen-activating proteins (FAPs) for reversible proximity sensing of conjugated molecules. We first validate this approach for quantifying discrete phosphatidylcholine pools in the ER and mitochondria that are trafficked by lipid transfer proteins. We then show that transmembrane domain-containing FAPs can be used to reveal the membrane asymmetry of multiple lipid classes that are generated in the trans-Golgi network. Lastly, we demonstrate that FACES is a generalizable tool for subcellular bioorthogonal imaging by measuring changes in mitochondrial N -acetylhexosamine levels. These results demonstrate the use of fluorogenic tags for spatially-defined molecular imaging.
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Yu H, Liu D, Zhang Y, Tang R, Fan X, Mao S, Lv L, Chen F, Qin H, Zhang Z, van Aalten DMF, Yang B, Yuan K. Tissue-specific O-GlcNAcylation profiling identifies substrates in translational machinery in Drosophila mushroom body contributing to olfactory learning. eLife 2024; 13:e91269. [PMID: 38619103 PMCID: PMC11018347 DOI: 10.7554/elife.91269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 03/14/2024] [Indexed: 04/16/2024] Open
Abstract
O-GlcNAcylation is a dynamic post-translational modification that diversifies the proteome. Its dysregulation is associated with neurological disorders that impair cognitive function, and yet identification of phenotype-relevant candidate substrates in a brain-region specific manner remains unfeasible. By combining an O-GlcNAc binding activity derived from Clostridium perfringens OGA (CpOGA) with TurboID proximity labeling in Drosophila, we developed an O-GlcNAcylation profiling tool that translates O-GlcNAc modification into biotin conjugation for tissue-specific candidate substrates enrichment. We mapped the O-GlcNAc interactome in major brain regions of Drosophila and found that components of the translational machinery, particularly ribosomal subunits, were abundantly O-GlcNAcylated in the mushroom body of Drosophila brain. Hypo-O-GlcNAcylation induced by ectopic expression of active CpOGA in the mushroom body decreased local translational activity, leading to olfactory learning deficits that could be rescued by dMyc overexpression-induced increase of protein synthesis. Our study provides a useful tool for future dissection of tissue-specific functions of O-GlcNAcylation in Drosophila, and suggests a possibility that O-GlcNAcylation impacts cognitive function via regulating regional translational activity in the brain.
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Affiliation(s)
- Haibin Yu
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Dandan Liu
- Life Sciences Institute, Zhejiang University, HangzhouZhejiangChina
| | - Yaowen Zhang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Ruijun Tang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Xunan Fan
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Song Mao
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Lu Lv
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Fang Chen
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Hongtao Qin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan UniversityChangshaChina
| | - Zhuohua Zhang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South UniversityChangshaChina
| | - Daan MF van Aalten
- Department of Molecular Biology and Genetics, University of AarhusAarhusDenmark
| | - Bing Yang
- Life Sciences Institute, Zhejiang University, HangzhouZhejiangChina
| | - Kai Yuan
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South UniversityChangshaChina
- The Biobank of Xiangya Hospital, Central South UniversityChangshaChina
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Dupas T, Lauzier B, McGraw S. O-GlcNAcylation: the sweet side of epigenetics. Epigenetics Chromatin 2023; 16:49. [PMID: 38093337 PMCID: PMC10720106 DOI: 10.1186/s13072-023-00523-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 11/24/2023] [Indexed: 12/17/2023] Open
Abstract
Histones display a wide variety of post-translational modifications, including acetylation, methylation, and phosphorylation. These epigenetic modifications can influence chromatin structure and function without altering the DNA sequence. Histones can also undergo post-translational O-GlcNAcylation, a rather understudied modification that plays critical roles in almost all biological processes and is added and removed by O-linked N-acetylglucosamine transferase and O-GlcNAcase, respectively. This review provides a current overview of our knowledge of how O-GlcNAcylation impacts the histone code both directly and by regulating other chromatin modifying enzymes. This highlights the pivotal emerging role of O-GlcNAcylation as an essential epigenetic marker.
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Affiliation(s)
- Thomas Dupas
- Centre Hospitalier Universitaire Sainte-Justine Research Center, Montréal, Canada.
- Department of Obstetrics and Gynecology, Université de Montréal, 2900 Boulevard Edouard‑Montpetit, Montréal, QC, H3T 1J4, Canada.
| | - Benjamin Lauzier
- Centre Hospitalier Universitaire Sainte-Justine Research Center, Montréal, Canada
- Nantes Université, CNRS, INSERM, L'institut du Thorax, 44000, Nantes, France
| | - Serge McGraw
- Centre Hospitalier Universitaire Sainte-Justine Research Center, Montréal, Canada.
- Department of Obstetrics and Gynecology, Université de Montréal, 2900 Boulevard Edouard‑Montpetit, Montréal, QC, H3T 1J4, Canada.
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