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Guedes JP, Boyer JB, Elurbide J, Carte B, Redeker V, Sago L, Meinnel T, Côrte-Real M, Giglione C, Aldabe R. NatB Protects Procaspase-8 from UBR4-Mediated Degradation and Is Required for Full Induction of the Extrinsic Apoptosis Pathway. Mol Cell Biol 2024:1-14. [PMID: 39099191 DOI: 10.1080/10985549.2024.2382453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 07/10/2024] [Accepted: 07/10/2024] [Indexed: 08/06/2024] Open
Abstract
N-terminal acetyltransferase B (NatB) is a major contributor to the N-terminal acetylome and is implicated in several key cellular processes including apoptosis and proteostasis. However, the molecular mechanisms linking NatB-mediated N-terminal acetylation to apoptosis and its relationship with protein homeostasis remain elusive. In this study, we generated mouse embryonic fibroblasts (MEFs) with an inactivated catalytic subunit of NatB (Naa20-/-) to investigate the impact of NatB deficiency on apoptosis regulation. Through quantitative N-terminomics, label-free quantification, and targeted proteomics, we demonstrated that NatB does not influence the proteostasis of all its substrates. Instead, our focus on putative NatB-dependent apoptotic factors revealed that NatB serves as a protective shield against UBR4 and UBR1 Arg/N-recognin-mediated degradation. Notably, Naa20-/- MEFs exhibited reduced responsiveness to an extrinsic pro-apoptotic stimulus, a phenotype that was partially reversible upon UBR4 Arg/N-recognin silencing and consequent inhibition of procaspase-8 degradation. Collectively, our results shed light on how the interplay between NatB-mediated acetylation and the Arg/N-degron pathway appears to impact apoptosis regulation, providing new perspectives in the field including in therapeutic interventions.
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Affiliation(s)
- Joana P Guedes
- CBMA/UM - Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Braga, Portugal
- CIMA/UNAV - Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain
| | - Jean Baptiste Boyer
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, Gif-sur-Yvette, France
| | - Jasmine Elurbide
- CIMA/UNAV - Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain
| | - Beatriz Carte
- CIMA/UNAV - Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain
| | - Virginie Redeker
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, Gif-sur-Yvette, France
| | - Laila Sago
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, Gif-sur-Yvette, France
| | - Thierry Meinnel
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, Gif-sur-Yvette, France
| | - Manuela Côrte-Real
- CBMA/UM - Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Braga, Portugal
| | - Carmela Giglione
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, Gif-sur-Yvette, France
| | - Rafael Aldabe
- CIMA/UNAV - Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain
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Heathcote KC, Keeley TP, Myllykoski M, Lundekvam M, McTiernan N, Akter S, Masson N, Ratcliffe PJ, Arnesen T, Flashman E. N-terminal cysteine acetylation and oxidation patterns may define protein stability. Nat Commun 2024; 15:5360. [PMID: 38918375 PMCID: PMC11199558 DOI: 10.1038/s41467-024-49489-2] [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: 08/17/2023] [Accepted: 06/05/2024] [Indexed: 06/27/2024] Open
Abstract
Oxygen homeostasis is maintained in plants and animals by O2-sensing enzymes initiating adaptive responses to low O2 (hypoxia). Recently, the O2-sensitive enzyme ADO was shown to initiate degradation of target proteins RGS4/5 and IL32 via the Cysteine/Arginine N-degron pathway. ADO functions by catalysing oxidation of N-terminal cysteine residues, but despite multiple proteins in the human proteome having an N-terminal cysteine, other endogenous ADO substrates have not yet been identified. This could be because alternative modifications of N-terminal cysteine residues, including acetylation, prevent ADO-catalysed oxidation. Here we investigate the relationship between ADO-catalysed oxidation and NatA-catalysed acetylation of a broad range of protein sequences with N-terminal cysteines. We present evidence that human NatA catalyses N-terminal cysteine acetylation in vitro and in vivo. We then show that sequences downstream of the N-terminal cysteine dictate whether this residue is oxidised or acetylated, with ADO preferring basic and aromatic amino acids and NatA preferring acidic or polar residues. In vitro, the two modifications appear to be mutually exclusive, suggesting that distinct pools of N-terminal cysteine proteins may be acetylated or oxidised. These results reveal the sequence determinants that contribute to N-terminal cysteine protein modifications, with implications for O2-dependent protein stability and the hypoxic response.
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Affiliation(s)
- Karen C Heathcote
- Department of Chemistry, University of Oxford, OX1 3TA, Oxford, UK
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, OX3 7FZ, Oxford, UK
- The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, UK
| | - Thomas P Keeley
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, OX3 7FZ, Oxford, UK
| | - Matti Myllykoski
- Department of Biomedicine, University of Bergen, 5020, Bergen, Norway
| | - Malin Lundekvam
- Department of Biomedicine, University of Bergen, 5020, Bergen, Norway
| | - Nina McTiernan
- Department of Biomedicine, University of Bergen, 5020, Bergen, Norway
| | - Salma Akter
- Department of Chemistry, University of Oxford, OX1 3TA, Oxford, UK
| | - Norma Masson
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, OX3 7FZ, Oxford, UK
| | - Peter J Ratcliffe
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, OX3 7FZ, Oxford, UK.
- The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, UK.
| | - Thomas Arnesen
- Department of Biomedicine, University of Bergen, 5020, Bergen, Norway.
- Department of Surgery, Haukeland University Hospital, 5021, Bergen, Norway.
| | - Emily Flashman
- Department of Biology, University of Oxford, OX1 3RB, Oxford, UK.
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8
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Chelban V, Aksnes H, Maroofian R, LaMonica LC, Seabra L, Siggervåg A, Devic P, Shamseldin HE, Vandrovcova J, Murphy D, Richard AC, Quenez O, Bonnevalle A, Zanetti MN, Kaiyrzhanov R, Salpietro V, Efthymiou S, Schottlaender LV, Morsy H, Scardamaglia A, Tariq A, Pagnamenta AT, Pennavaria A, Krogstad LS, Bekkelund ÅK, Caiella A, Glomnes N, Brønstad KM, Tury S, Moreno De Luca A, Boland-Auge A, Olaso R, Deleuze JF, Anheim M, Cretin B, Vona B, Alajlan F, Abdulwahab F, Battini JL, İpek R, Bauer P, Zifarelli G, Gungor S, Kurul SH, Lochmuller H, Da'as SI, Fakhro KA, Gómez-Pascual A, Botía JA, Wood NW, Horvath R, Ernst AM, Rothman JE, McEntagart M, Crow YJ, Alkuraya FS, Nicolas G, Arnesen T, Houlden H. Biallelic NAA60 variants with impaired n-terminal acetylation capacity cause autosomal recessive primary familial brain calcifications. Nat Commun 2024; 15:2269. [PMID: 38480682 PMCID: PMC10937998 DOI: 10.1038/s41467-024-46354-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/23/2024] [Indexed: 03/17/2024] Open
Abstract
Primary familial brain calcification (PFBC) is characterized by calcium deposition in the brain, causing progressive movement disorders, psychiatric symptoms, and cognitive decline. PFBC is a heterogeneous disorder currently linked to variants in six different genes, but most patients remain genetically undiagnosed. Here, we identify biallelic NAA60 variants in ten individuals from seven families with autosomal recessive PFBC. The NAA60 variants lead to loss-of-function with lack of protein N-terminal (Nt)-acetylation activity. We show that the phosphate importer SLC20A2 is a substrate of NAA60 in vitro. In cells, loss of NAA60 caused reduced surface levels of SLC20A2 and a reduction in extracellular phosphate uptake. This study establishes NAA60 as a causal gene for PFBC, provides a possible biochemical explanation of its disease-causing mechanisms and underscores NAA60-mediated Nt-acetylation of transmembrane proteins as a fundamental process for healthy neurobiological functioning.
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Affiliation(s)
- Viorica Chelban
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK.
- Neurobiology and Medical Genetics Laboratory, "Nicolae Testemitanu" State University of Medicine and Pharmacy, 165, Stefan cel Mare si Sfant Boulevard, MD, 2004, Chisinau, Republic of Moldova.
| | - Henriette Aksnes
- Department of Biomedicine, University of Bergen, Bergen, Norway.
| | - Reza Maroofian
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Lauren C LaMonica
- Department of Cell Biology, Yale School of Medicine, New Haven, CT, USA
| | - Luis Seabra
- Université Paris Cité, Imagine Institute, Laboratory of Neurogenetics and Neuroinflammation, INSERM UMR 1163, Paris, France
| | | | - Perrine Devic
- Hospices Civils de Lyon, Groupement Hospitalier Sud, Service d'Explorations Fonctionnelles Neurologiques, Lyon, France
| | - Hanan E Shamseldin
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Jana Vandrovcova
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - David Murphy
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Anne-Claire Richard
- Univ Rouen Normandie, Inserm U1245, CHU Rouen, Department of Genetics and CNRMAJ, F-76000, Rouen, France
| | - Olivier Quenez
- Univ Rouen Normandie, Inserm U1245, CHU Rouen, Department of Genetics and CNRMAJ, F-76000, Rouen, France
| | - Antoine Bonnevalle
- Univ Rouen Normandie, Inserm U1245, CHU Rouen, Department of Genetics and CNRMAJ, F-76000, Rouen, France
| | - M Natalia Zanetti
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Rauan Kaiyrzhanov
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
- South Kazakhstan Medical Academy Shymkent, Shymkent, 160019, Kazakhstan
| | - Vincenzo Salpietro
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Stephanie Efthymiou
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Lucia V Schottlaender
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
- Instituto de Investigaciones en Medicina Traslacional (IIMT), CONICET-Universidad Austral, Av. Juan Domingo Perón 1500, B1629AHJ, Pilar, Argentina
- Instituto de medicina genómica (IMeG), Hospital Universitario Austral, Universidad Austral, Av. Juan Domingo Perón 1500, B1629AHJ, Pilar, Argentina
| | - Heba Morsy
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
- Department of Human Genetics, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Annarita Scardamaglia
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Ambreen Tariq
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Alistair T Pagnamenta
- Oxford NIHR Biomedical Research Centre, Wellcome Centre for Human Genetics, Oxford, United Kingdom
| | - Ajia Pennavaria
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Liv S Krogstad
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Åse K Bekkelund
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Alessia Caiella
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Nina Glomnes
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Department of Clinical Science, University of Bergen, 5020, Bergen, Norway
| | | | - Sandrine Tury
- Institut de Recherche en Infectiologie de Montpellier, Université de Montpellier, CNRS, Montpellier, France
| | - Andrés Moreno De Luca
- Department of Radiology, Autism & Developmental Medicine Institute, Geisinger, Lewisburg, PA, USA
- Department of Radiology, Neuroradiology Section, Kingston Health Sciences Centre, Queen's University Faculty of Health Sciences, Kingston, Ontario, Canada
| | - Anne Boland-Auge
- Université Paris-Saclay, CEA, Centre National de Recherche en Génomique Humaine (CNRGH), 91057, Evry, France
| | - Robert Olaso
- Université Paris-Saclay, CEA, Centre National de Recherche en Génomique Humaine (CNRGH), 91057, Evry, France
| | - Jean-François Deleuze
- Université Paris-Saclay, CEA, Centre National de Recherche en Génomique Humaine (CNRGH), 91057, Evry, France
| | - Mathieu Anheim
- Neurology Department, Strasbourg University Hospital, Strasbourg, France
- Strasbourg Federation of Translational Medicine (FMTS), Strasbourg University, Strasbourg, France
- INSERM-U964; CNRS-UMR7104, University of Strasbourg, Illkirch-Graffenstaden, France
| | - Benjamin Cretin
- Neurology Department, Strasbourg University Hospital, Strasbourg, France
- Strasbourg Federation of Translational Medicine (FMTS), Strasbourg University, Strasbourg, France
- INSERM-U964; CNRS-UMR7104, University of Strasbourg, Illkirch-Graffenstaden, France
| | - Barbara Vona
- Institute of Human Genetics, University Medical Center Göttingen, 37073, Göttingen, Germany
- Institute for Auditory Neuroscience and InnerEarLab, University Medical Center Göttingen, 37075, Göttingen, Germany
| | - Fahad Alajlan
- Department of Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Firdous Abdulwahab
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Jean-Luc Battini
- Institut de Recherche en Infectiologie de Montpellier, Université de Montpellier, CNRS, Montpellier, France
| | - Rojan İpek
- Paediatric Neurology, Faculty of Medicine, Dicle University, Diyarbakır, Turkey
| | - Peter Bauer
- Centogene GmbH, Am Strande 7, 18055, Rostock, Germany
| | | | - Serdal Gungor
- Inonu University, Faculty of Medicine, Turgut Ozal Research Center, Department of Pediatrics, Division of Pediatric Neurology, Malatya, Turkey
| | - Semra Hiz Kurul
- Dokuz Eylul University, School of Medicine, Department of Paediatric Neurology, Izmir, Turkey
| | - Hanns Lochmuller
- Children's Hospital of Eastern Ontario Research Institute and Division of Neurology, Department of Medicine, The Ottawa Hospital, Ottawa, Canada
- Brain and Mind Research Institute, University of Ottawa, Ottawa, Canada
- Department of Neuropediatrics and Muscle Disorders, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Sahar I Da'as
- Department of Human Genetics, Sidra Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Khalid A Fakhro
- Department of Human Genetics, Sidra Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
- Weill Cornell Medical College, Doha, Qatar
| | - Alicia Gómez-Pascual
- Department of Information and Communications Engineering, University of Murcia, Campus Espinardo, 30100, Murcia, Spain
| | - Juan A Botía
- Department of Information and Communications Engineering, University of Murcia, Campus Espinardo, 30100, Murcia, Spain
| | - Nicholas W Wood
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
- Neurogenetics Laboratory, The National Hospital for Neurology and Neurosurgery, London, WC1N 3BG, UK
| | - Rita Horvath
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Andreas M Ernst
- Department of Cell Biology, Yale School of Medicine, New Haven, CT, USA
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California San Diego, La Jolla, CA, USA
| | - James E Rothman
- Department of Cell Biology, Yale School of Medicine, New Haven, CT, USA
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK
| | - Meriel McEntagart
- Medical Genetics Department, St George's University Hospitals, London, SWI7 0RE, UK
| | - Yanick J Crow
- Université Paris Cité, Imagine Institute, Laboratory of Neurogenetics and Neuroinflammation, INSERM UMR 1163, Paris, France
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Fowzan S Alkuraya
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Department of Anatomy and Cell Biology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Gaël Nicolas
- Univ Rouen Normandie, Inserm U1245, CHU Rouen, Department of Genetics and CNRMAJ, F-76000, Rouen, France
| | - Thomas Arnesen
- Department of Biomedicine, University of Bergen, Bergen, Norway.
- Department of Surgery, Haukeland University Hospital, Bergen, Norway.
| | - Henry Houlden
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, WC1N 3BG, UK.
- Neurogenetics Laboratory, The National Hospital for Neurology and Neurosurgery, London, WC1N 3BG, UK.
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