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Muffels IJ, Schene IF, Rehmann H, Massink MP, van der Wal MM, Bauder C, Labeur M, Armando NG, Lequin MH, Houben ML, Giltay JC, Haitjema S, Huisman A, Vansenne F, Bluvstein J, Pappas J, Shailee LV, Zarate YA, Mokry M, van Haaften GW, Nieuwenhuis EE, Refojo D, van Wijk F, Fuchs SA, van Hasselt PM. Bi-allelic variants in NAE1 cause intellectual disability, ischiopubic hypoplasia, stress-mediated lymphopenia and neurodegeneration. Am J Hum Genet 2023; 110:146-160. [PMID: 36608681 PMCID: PMC9892777 DOI: 10.1016/j.ajhg.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 12/07/2022] [Indexed: 01/07/2023] Open
Abstract
Neddylation has been implicated in various cellular pathways and in the pathophysiology of numerous diseases. We identified four individuals with bi-allelic variants in NAE1, which encodes the neddylation E1 enzyme. Pathogenicity was supported by decreased NAE1 abundance and overlapping clinical and cellular phenotypes. To delineate how cellular consequences of NAE1 deficiency would lead to the clinical phenotype, we focused primarily on the rarest phenotypic features, based on the assumption that these would best reflect the pathophysiology at stake. Two of the rarest features, neuronal loss and lymphopenia worsening during infections, suggest that NAE1 is required during cellular stress caused by infections to protect against cell death. In support, we found that stressing the proteasome system with MG132-requiring upregulation of neddylation to restore proteasomal function and proteasomal stress-led to increased cell death in fibroblasts of individuals with NAE1 genetic variants. Additionally, we found decreased lymphocyte counts after CD3/CD28 stimulation and decreased NF-κB translocation in individuals with NAE1 variants. The rarest phenotypic feature-delayed closure of the ischiopubic rami-correlated with significant downregulation of RUN2X and SOX9 expression in transcriptomic data of fibroblasts. Both genes are involved in the pathophysiology of ischiopubic hypoplasia. Thus, we show that NAE1 plays a major role in (skeletal) development and cellular homeostasis during stress. Our approach suggests that a focus on rare phenotypic features is able to provide significant pathophysiological insights in diseases caused by mutations in genes with pleiotropic effects.
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Affiliation(s)
- Irena J.J. Muffels
- Department of Metabolic Diseases, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, the Netherlands,Center for Translational Immunology (CTI), Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Imre F. Schene
- Department of Metabolic Diseases, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, the Netherlands
| | - Holger Rehmann
- Department of Energy and Biotechnology, Flensburg University of Applied Sciences, Flensburg, Germany
| | - Maarten P.G. Massink
- Department of Genetics, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Maria M. van der Wal
- Center for Translational Immunology (CTI), Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Corinna Bauder
- Department of Neuroendocrinology, Max Planck Institute of Psychiatry, Munich, Germany,Institute of Developmental Genetics, Helmholtz Zentrum München, Munich, Germany
| | - Martha Labeur
- Department of Neuroendocrinology, Max Planck Institute of Psychiatry, Munich, Germany
| | - Natalia G. Armando
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA) - CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina
| | - Maarten H. Lequin
- Division Imaging and Oncology University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Michiel L. Houben
- Department of General Pediatrics, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Jaques C. Giltay
- Department of Genetics, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Saskia Haitjema
- Central Diagnostics Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Albert Huisman
- Central Diagnostics Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Fleur Vansenne
- Department of Medical Genetics, University Medical Center Groningen, Groningen, the Netherlands
| | - Judith Bluvstein
- Dravet Center and Comprehensive Epilepsy Center, NYU School of Medicine, New York, NY, USA
| | - John Pappas
- NYU Clinical Genetic Services, NYU Grossman School of Medicine, New York, NY, USA
| | - Lala V. Shailee
- Department of Radiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Yuri A. Zarate
- Section of Genetics and Metabolism, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Michal Mokry
- Laboratory of Experimental Cardiology, Department of Cardiology, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands
| | - Gijs W. van Haaften
- Department of Genetics, Division Laboratories, Pharmacy and Biomedical Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Edward E.S. Nieuwenhuis
- Department of Biomedical and Life Sciences, University College Roosevelt, Middelburg, the Netherlands
| | - Damian Refojo
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA) - CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina,Molecular Neurobiology, Max Planck Institute of Psychiatry, Munich, Germany
| | - Femke van Wijk
- Department of Genetics, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sabine A. Fuchs
- Department of Metabolic Diseases, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, the Netherlands
| | - Peter M. van Hasselt
- Department of Metabolic Diseases, Division Pediatrics, Wilhelmina Children’s Hospital University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, the Netherlands,Corresponding author
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Ramírez S, Haddad-Tóvolli R, Radosevic M, Toledo M, Pané A, Alcolea D, Ribas V, Milà-Guasch M, Pozo M, Obri A, Eyre E, Gómez-Valadés AG, Chivite I, Van Eeckhout T, Zalachoras I, Altirriba J, Bauder C, Imbernón M, Garrabou G, Garcia-Ruiz C, Nogueiras R, Soto D, Gasull X, Sandi C, Brüning JC, Fortea J, Jiménez A, Fernández-Checa JC, Claret M. Hypothalamic pregnenolone mediates recognition memory in the context of metabolic disorders. Cell Metab 2022; 34:269-284.e9. [PMID: 35108514 PMCID: PMC8815774 DOI: 10.1016/j.cmet.2021.12.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 10/29/2021] [Accepted: 12/27/2021] [Indexed: 12/30/2022]
Abstract
Obesity and type 2 diabetes are associated with cognitive dysfunction. Because the hypothalamus is implicated in energy balance control and memory disorders, we hypothesized that specific neurons in this brain region are at the interface of metabolism and cognition. Acute obesogenic diet administration in mice impaired recognition memory due to defective production of the neurosteroid precursor pregnenolone in the hypothalamus. Genetic interference with pregnenolone synthesis by Star deletion in hypothalamic POMC, but not AgRP neurons, deteriorated recognition memory independently of metabolic disturbances. Our data suggest that pregnenolone's effects on cognitive function were mediated via an autocrine mechanism on POMC neurons, influencing hippocampal long-term potentiation. The relevance of central pregnenolone on cognition was also confirmed in metabolically unhealthy patients with obesity. Our data reveal an unsuspected role for POMC neuron-derived neurosteroids in cognition. These results provide the basis for a framework to investigate new facets of POMC neuron biology with implications for cognitive disorders.
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Affiliation(s)
- Sara Ramírez
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Roberta Haddad-Tóvolli
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Marija Radosevic
- Neuroimmunology Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic de Barcelona, University of Barcelona, Barcelona, Spain
| | - Miriam Toledo
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Adriana Pané
- Obesity Unit, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Daniel Alcolea
- Memory Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Vicent Ribas
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Barcelona, Spain
| | - Maria Milà-Guasch
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Macarena Pozo
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Arnaud Obri
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Elena Eyre
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Alicia G Gómez-Valadés
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Iñigo Chivite
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Tomas Van Eeckhout
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Ioannis Zalachoras
- Laboratory of Behavioral Genetics, Brain Mind Institute, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Jordi Altirriba
- Laboratory of Metabolism, Department of Internal Medicine Specialties, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Corinna Bauder
- Department of Neuronal Control of Metabolism, Max Planck Institute for Metabolism Research, Cologne, Germany
| | - Mónica Imbernón
- Department of Physiology, Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), University of Santiago de Compostela, Instituto de Investigación Sanitaria (IDIS), Santiago de Compostela, Spain
| | - Gloria Garrabou
- Muscle Research and Mitochondrial Function Laboratory, CELLEX-IDIBAPS, Internal Medicine Department, Faculty of Medicine, University of Barcelona, Hospital Clínic de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain
| | - Carmen Garcia-Ruiz
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Barcelona, Spain; Center for ALPD, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Rubén Nogueiras
- Department of Physiology, Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), University of Santiago de Compostela, Instituto de Investigación Sanitaria (IDIS), Santiago de Compostela, Spain; Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Barcelona, Spain
| | - David Soto
- Neurophysiology Laboratory, Department of Biomedicine, Faculty of Medicine, Neuroscience Institute, University of Barcelona, Barcelona, Spain
| | - Xavier Gasull
- Neurophysiology Laboratory, Department of Biomedicine, Faculty of Medicine, Neuroscience Institute, University of Barcelona, Barcelona, Spain
| | - Carmen Sandi
- Laboratory of Behavioral Genetics, Brain Mind Institute, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Jens C Brüning
- Department of Neuronal Control of Metabolism, Max Planck Institute for Metabolism Research, Cologne, Germany; National Center for Diabetes Research (DZD), Neuherberg, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany; Center for Endocrinology, Diabetes and Preventive Medicine (CEPD), University Hospital of Cologne, Cologne, Germany
| | - Juan Fortea
- Memory Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain; Barcelona Down Medical Center, Fundació Catalana de Síndrome de Down, Barcelona, Spain
| | - Amanda Jiménez
- Obesity Unit, Hospital Clínic de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Barcelona, Spain; Translational Research in Diabetes, Lipids and Obesity, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - José C Fernández-Checa
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Barcelona, Spain; Center for ALPD, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Marc Claret
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain; Faculty of Medicine, Universitat de Barcelona, Barcelona, Spain.
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