1
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Shin T, Song JHT, Kosicki M, Kenny C, Beck SG, Kelley L, Antony I, Qian X, Bonacina J, Papandile F, Gonzalez D, Scotellaro J, Bushinsky EM, Andersen RE, Maury E, Pennacchio LA, Doan RN, Walsh CA. Rare variation in non-coding regions with evolutionary signatures contributes to autism spectrum disorder risk. CELL GENOMICS 2024; 4:100609. [PMID: 39019033 DOI: 10.1016/j.xgen.2024.100609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 03/11/2024] [Accepted: 06/24/2024] [Indexed: 07/19/2024]
Abstract
Little is known about the role of non-coding regions in the etiology of autism spectrum disorder (ASD). We examined three classes of non-coding regions: human accelerated regions (HARs), which show signatures of positive selection in humans; experimentally validated neural VISTA enhancers (VEs); and conserved regions predicted to act as neural enhancers (CNEs). Targeted and whole-genome analysis of >16,600 samples and >4,900 ASD probands revealed that likely recessive, rare, inherited variants in HARs, VEs, and CNEs substantially contribute to ASD risk in probands whose parents share ancestry, which enriches for recessive contributions, but modestly contribute, if at all, in simplex family structures. We identified multiple patient variants in HARs near IL1RAPL1 and in VEs near OTX1 and SIM1 and showed that they change enhancer activity. Our results implicate both human-evolved and evolutionarily conserved non-coding regions in ASD risk and suggest potential mechanisms of how regulatory changes can modulate social behavior.
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Affiliation(s)
- Taehwan Shin
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Janet H T Song
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Michael Kosicki
- Environmental Genomics & System Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Connor Kenny
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Samantha G Beck
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Lily Kelley
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA
| | - Irene Antony
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Xuyu Qian
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Julieta Bonacina
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA
| | - Frances Papandile
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Dilenny Gonzalez
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Julia Scotellaro
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Evan M Bushinsky
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Rebecca E Andersen
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Eduardo Maury
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA
| | - Len A Pennacchio
- Environmental Genomics & System Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Ryan N Doan
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA.
| | - Christopher A Walsh
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Allen Discovery Center for Human Brain Evolution, Boston, MA 02115, USA; Department of Neurology, Harvard Medical School, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA 02115, USA.
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2
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Martins-Costa C, Wiegers A, Pham VA, Sidhaye J, Doleschall B, Novatchkova M, Lendl T, Piber M, Peer A, Möseneder P, Stuempflen M, Chow SYA, Seidl R, Prayer D, Höftberger R, Kasprian G, Ikeuchi Y, Corsini NS, Knoblich JA. ARID1B controls transcriptional programs of axon projection in an organoid model of the human corpus callosum. Cell Stem Cell 2024; 31:866-885.e14. [PMID: 38718796 DOI: 10.1016/j.stem.2024.04.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 02/13/2024] [Accepted: 04/17/2024] [Indexed: 06/09/2024]
Abstract
Mutations in ARID1B, a member of the mSWI/SNF complex, cause severe neurodevelopmental phenotypes with elusive mechanisms in humans. The most common structural abnormality in the brain of ARID1B patients is agenesis of the corpus callosum (ACC), characterized by the absence of an interhemispheric white matter tract that connects distant cortical regions. Here, we find that neurons expressing SATB2, a determinant of callosal projection neuron (CPN) identity, show impaired maturation in ARID1B+/- neural organoids. Molecularly, a reduction in chromatin accessibility of genomic regions targeted by TCF-like, NFI-like, and ARID-like transcription factors drives the differential expression of genes required for corpus callosum (CC) development. Through an in vitro model of the CC tract, we demonstrate that this transcriptional dysregulation impairs the formation of long-range axonal projections, causing structural underconnectivity. Our study uncovers new functions of the mSWI/SNF during human corticogenesis, identifying cell-autonomous axonogenesis defects in SATB2+ neurons as a cause of ACC in ARID1B patients.
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Affiliation(s)
- Catarina Martins-Costa
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna and Medical University of Vienna, 1030 Vienna, Austria
| | - Andrea Wiegers
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Vincent A Pham
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Jaydeep Sidhaye
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Balint Doleschall
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna and Medical University of Vienna, 1030 Vienna, Austria
| | - Maria Novatchkova
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Thomas Lendl
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Marielle Piber
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Angela Peer
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Paul Möseneder
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Marlene Stuempflen
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
| | - Siu Yu A Chow
- Institute of Industrial Science, The University of Tokyo, 153-8505 Tokyo, Japan; Institute for AI and Beyond, The University of Tokyo, 113-0032 Tokyo, Japan
| | - Rainer Seidl
- Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, 1090 Vienna, Austria
| | - Daniela Prayer
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
| | - Romana Höftberger
- Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, 1090 Vienna, Austria
| | - Gregor Kasprian
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
| | - Yoshiho Ikeuchi
- Institute of Industrial Science, The University of Tokyo, 153-8505 Tokyo, Japan; Institute for AI and Beyond, The University of Tokyo, 113-0032 Tokyo, Japan
| | - Nina S Corsini
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria.
| | - Jürgen A Knoblich
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria; Department of Neurology, Medical University of Vienna, 1090 Vienna, Austria.
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3
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Boraschi D, Italiani P, Migliorini P, Bossù P. Cause or consequence? The role of IL-1 family cytokines and receptors in neuroinflammatory and neurodegenerative diseases. Front Immunol 2023; 14:1128190. [PMID: 37223102 PMCID: PMC10200871 DOI: 10.3389/fimmu.2023.1128190] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/11/2023] [Indexed: 05/25/2023] Open
Abstract
Cytokines and receptors of the IL-1 family are key mediators in innate immune and inflammatory reactions in physiological defensive conditions, but are also significantly involved in immune-mediated inflammatory diseases. Here, we will address the role of cytokines of the IL-1 superfamily and their receptors in neuroinflammatory and neurodegenerative diseases, in particular Multiple Sclerosis and Alzheimer's disease. Notably, several members of the IL-1 family are present in the brain as tissue-specific splice variants. Attention will be devoted to understanding whether these molecules are involved in the disease onset or are effectors of the downstream degenerative events. We will focus on the balance between the inflammatory cytokines IL-1β and IL-18 and inhibitory cytokines and receptors, in view of future therapeutic approaches.
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Affiliation(s)
- Diana Boraschi
- Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Naples, Italy
- Stazione Zoologica Anton Dohrn (SZN), Napoli, Italy
- China-Italy Joint Laboratory of Pharmacobiotechnology for Medical Immunomodulation, Shenzhen, China
| | - Paola Italiani
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Naples, Italy
- Stazione Zoologica Anton Dohrn (SZN), Napoli, Italy
- China-Italy Joint Laboratory of Pharmacobiotechnology for Medical Immunomodulation, Shenzhen, China
| | - Paola Migliorini
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Paola Bossù
- Laboratory of Experimental Neuro-psychobiology, Department of Clinical and Behavioral Neurology, Santa Lucia Foundation, Rome, Italy
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4
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O'Shea JJ, Gadina M, Sciumè, G, Meylan F. Cytokines and Cytokine Receptors. Clin Immunol 2023. [DOI: 10.1016/b978-0-7020-8165-1.00014-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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5
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Meziane H, Birling MC, Wendling O, Leblanc S, Dubos A, Selloum M, Pavlovic G, Sorg T, Kalscheuer VM, Billuart P, Laumonnier F, Chelly J, van Bokhoven H, Herault Y. Large-Scale Functional Assessment of Genes Involved in Rare Diseases with Intellectual Disabilities Unravels Unique Developmental and Behaviour Profiles in Mouse Models. Biomedicines 2022; 10:biomedicines10123148. [PMID: 36551904 PMCID: PMC9775489 DOI: 10.3390/biomedicines10123148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Major progress has been made over the last decade in identifying novel genes involved in neurodevelopmental disorders, although the task of elucidating their corresponding molecular and pathophysiological mechanisms, which are an essential prerequisite for developing therapies, has fallen far behind. We selected 45 genes for intellectual disabilities to generate and characterize mouse models. Thirty-nine of them were based on the frequency of pathogenic variants in patients and literature reports, with several corresponding to de novo variants, and six other candidate genes. We used an extensive screen covering the development and adult stages, focusing specifically on behaviour and cognition to assess a wide range of functions and their pathologies, ranging from basic neurological reflexes to cognitive abilities. A heatmap of behaviour phenotypes was established, together with the results of selected mutants. Overall, three main classes of mutant lines were identified based on activity phenotypes, with which other motor or cognitive deficits were associated. These data showed the heterogeneity of phenotypes between mutation types, recapitulating several human features, and emphasizing the importance of such systematic approaches for both deciphering genetic etiological causes of ID and autism spectrum disorders, and for building appropriate therapeutic strategies.
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Affiliation(s)
- Hamid Meziane
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Marie-Christine Birling
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Olivia Wendling
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Sophie Leblanc
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Aline Dubos
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Mohammed Selloum
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Guillaume Pavlovic
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Tania Sorg
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Vera M. Kalscheuer
- Max Planck Institute for Molecular Genetics, Research Group Development and Disease, Ihnestr. 63-73, 14195 Berlin, Germany
| | - Pierre Billuart
- Institute of Psychiatry and Neuroscience of Paris (IPNP), Université de Paris, INSERM U1266, “Genetic and Development of Cerebral Cortex”, 75014 Paris, France
- GHU Paris Psychiatrie et Neurosciences, Hôpital Sainte Anne, 75014 Paris, France
| | - Frédéric Laumonnier
- UMR1253, iBrain, University of Tours, Inserm, 37032 Tours, France
- Service de Génétique, Centre Hospitalier Régional Universitaire, 37044 Tours, France
| | - Jamel Chelly
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 1 rue Laurent Fries, 67404 Illkirch, France
| | - Hans van Bokhoven
- Department of Cognitive Neuroscience, Radboudumc, 6500 HB Nijmegen, The Netherlands
- Department of Human Genetics, Radboudumc, 6500 HB Nijmegen, The Netherlands
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, 6525 AJ Nijmegen, The Netherlands
| | - Yann Herault
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de la Souris (ICS), PHENOMIN, CELPHEDIA, 1 rue Laurent Fries, 67404 Illkirch, France
- Université de Strasbourg, CNRS, INSERM, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 1 rue Laurent Fries, 67404 Illkirch, France
- Correspondence: ; Tel.: +33-388-65-5715
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6
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Alam MS, Azam S, Pham K, Leyva D, Fouque KJD, Fernandez-Lima F, Miksovska J. Nanomolar affinity of EF-hands in neuronal calcium sensor 1 for bivalent cations Pb2+, Mn2+ and Hg2. Metallomics 2022; 14:6601456. [PMID: 35657675 DOI: 10.1093/mtomcs/mfac039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 05/31/2022] [Indexed: 11/12/2022]
Abstract
Abiogenic metals Pb and Hg are highly toxic since chronic and/or acute exposure often leads to severe neuropathologies. Mn2+ is an essential metal ion but in excess can impair neuronal function. In this study, we address in vitro the interactions between neuronal calcium sensor 1 (NCS1) and divalent cations. Results showed that non-physiological ions (Pb2+, Mn2+ and Hg2+) bind to EF-hands in NCS1 with nanomolar affinity and lower equilibrium dissociation constant than the physiological Ca2+ ion. (Kd,Pb2+ = 7.0±1.0 nM; Kd,Mn2+ = 34.0±6.0 nM; Kd, Hg2+ = 0.5±0.1 nM and 27.0±13.0 nM and Kd,Ca2+ = 96.0±48.0 nM). Native ultra-high resolution mass spectrometry (FT-ICR MS) and trapped ion mobility spectrometry - mass spectrometry (nESI-TIMS-MS) studies provided the NCS1-metal complex compositions - up to four Ca2+ or Mn2+ ions and three Pb2+ ions (M⋅Pb1-3Ca1-3, M⋅Mn1-4Ca1-2, and M⋅Ca1-4) were observed in complex - and similarity across the mobility profiles suggests that the overall native structure is preserved regardless of the number and type of cations. However, the non-physiological metal ions (Pb2+, Mn2+, and Hg2+) binding to NCS1 leads to more efficient quenching of Trp emission and a decrease in W30 and W103 solvent exposure compared to the apo and Ca2+ bound form, although the secondary structural rearrangement and exposure of hydrophobic sites are analogous to those for Ca2+ bound protein. Only Pb2+ and Hg2+ binding to EF-hands leads to the NCS1 dimerization whereas Mn2+ bound NCS1 remains in the monomeric form, suggesting that other factors in addition to metal ion coordination, are required for protein dimerization.
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Affiliation(s)
- Md Shofiul Alam
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA
| | - Samiol Azam
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA
| | - Khoa Pham
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA
| | - Dennys Leyva
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA
| | - Kevin Jeanne Dit Fouque
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA.,Biomolecular Sciences Institute, Florida International University, Miami, 33199USA
| | - Francisco Fernandez-Lima
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA.,Biomolecular Sciences Institute, Florida International University, Miami, 33199USA
| | - Jaroslava Miksovska
- Department of Chemistry and Biochemistry, Florida International University, Miami FL 33199USA.,Biomolecular Sciences Institute, Florida International University, Miami, 33199USA
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7
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Interleukin-38 in Health and Disease. Cytokine 2022; 152:155824. [DOI: 10.1016/j.cyto.2022.155824] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 12/13/2022]
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8
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Nimma S, Gu W, Manik MK, Ve T, Nanson JD, Kobe B. Crystal structure of the Toll/interleukin-1 receptor (TIR) domain of IL-1R10 provides structural insights into TIR domain signaling. FEBS Lett 2022; 596:886-897. [PMID: 35038778 DOI: 10.1002/1873-3468.14288] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/24/2021] [Accepted: 01/03/2022] [Indexed: 11/09/2022]
Abstract
The Toll/interleukin-1 receptor (TIR) domains are key innate immune signaling modules. Here, we present the crystal structure of the TIR domain of human Interleukin-1 receptor 10 (IL-1R10), also called IL-1RAPL2. It is similar to that of IL-1R9 (IL-1RAPL1) but shows significant structural differences to those from Toll-like receptors (TLRs) and the adaptor proteins MAL and MyD88. Interactions of TIR domains in their respective crystals and the higher-order assemblies (MAL and MyD88) reveal the presence of a common 'BCD surface', suggesting its functional significance. We also show that the TIR domains of IL-1R10 and IL-1R9 lack NADase activity, consistent with their structures. Our study provides a foundation for unraveling the functions of IL-1R9 and IL-1R10.
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Affiliation(s)
- Surekha Nimma
- The University of Queensland, School of Chemistry and Molecular Biosciences, Australian Infectious Diseases Research Centre and Institute of Molecular Bioscience, Brisbane, Queensland, 4072, Australia
| | - Weixi Gu
- The University of Queensland, School of Chemistry and Molecular Biosciences, Australian Infectious Diseases Research Centre and Institute of Molecular Bioscience, Brisbane, Queensland, 4072, Australia
| | - Mohammad K Manik
- The University of Queensland, School of Chemistry and Molecular Biosciences, Australian Infectious Diseases Research Centre and Institute of Molecular Bioscience, Brisbane, Queensland, 4072, Australia
| | - Thomas Ve
- Griffith University, Institute for Glycomics, Southport, Queensland, 4222, Australia
| | - Jeffrey D Nanson
- The University of Queensland, School of Chemistry and Molecular Biosciences, Australian Infectious Diseases Research Centre and Institute of Molecular Bioscience, Brisbane, Queensland, 4072, Australia
| | - Bostjan Kobe
- The University of Queensland, School of Chemistry and Molecular Biosciences, Australian Infectious Diseases Research Centre and Institute of Molecular Bioscience, Brisbane, Queensland, 4072, Australia
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9
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IL-1 family cytokines as drivers and inhibitors of trained immunity. Cytokine 2021; 150:155773. [PMID: 34844039 DOI: 10.1016/j.cyto.2021.155773] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 12/20/2022]
Abstract
Trained immunity is the long-term memory of innate immune cells, characterised by increased pro-inflammatory responses towards homo- and heterologous secondary stimuli. Interleukin (IL)-1 signalling plays an essential role in the induction of trained immunity, also called innate immune memory. As such, certain anti-inflammatory members of the IL-1 family of cytokines (IL-1F) which interfere with the inflammatory process have the potential to regulate the induction of a trained phenotype. The aim of this review is to provide an update on the role of IL-1F members in the context of trained immunity, emphasising the role of anti-inflammatory cytokines from the IL-1F to inhibit the induction of trained immunity, and touching upon their potential as therapeutics in IL-1-driven inflammatory disorders.
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10
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Han MM, Yuan XR, Shi X, Zhu XY, Su Y, Xiong DK, Zhang XM, Zhou H, Wang JN. The Pathological Mechanism and Potential Application of IL-38 in Autoimmune Diseases. Front Pharmacol 2021; 12:732790. [PMID: 34539413 PMCID: PMC8443783 DOI: 10.3389/fphar.2021.732790] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/17/2021] [Indexed: 12/19/2022] Open
Abstract
Interleukin-38 (IL-38), a new cytokine of interleukin-1 family (IL-1F), is expressed in the human heart, kidney, skin, etc. Recently, new evidence indicated that IL-38 is involved in the process of different autoimmune diseases. Autoimmune diseases are a cluster of diseases accompanied with tissue damage caused by autoimmune reactions, including rheumatoid arthritis (RA), psoriasis, etc. This review summarized the links between IL-38 and autoimmune diseases, as well as the latest knowledge about the function and regulatory mechanism of IL-38 in autoimmune diseases. Especially, this review focused on the differentiation of immune cells and explore future prospects, such as the application of IL-38 in new technologies. Understanding the function of IL-38 is helpful to shed light on the progress of autoimmune diseases.
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Affiliation(s)
- Miao-Miao Han
- School of Health Management, Anhui Medical University, Hefei, China
| | - Xin-Rong Yuan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Shi
- School of Health Management, Anhui Medical University, Hefei, China
| | - Xing-Yu Zhu
- School of Pharmacy, Bengbu Medical College, Bengbu, China.,National Drug Clinical Trial Institution, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yue Su
- National Drug Clinical Trial Institution, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China.,Public Basic College, Bengbu Medical College, Bengbu, China
| | - De-Kai Xiong
- School of Health Management, Anhui Medical University, Hefei, China
| | - Xing-Min Zhang
- School of Health Management, Anhui Medical University, Hefei, China
| | - Huan Zhou
- School of Pharmacy, Bengbu Medical College, Bengbu, China.,National Drug Clinical Trial Institution, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Ji-Nian Wang
- Department of Education, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
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11
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Jiang E, Fitzgerald MP, Helbig KL, Goldberg EM. IL1RAPL1 Gene Deletion in a Female Patient with Developmental Delay and Continuous Spike-Wave during Sleep. JOURNAL OF PEDIATRIC EPILEPSY 2021. [DOI: 10.1055/s-0041-1731816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractInterleukin-1 receptor accessory protein-like 1 (IL1RAPL1) encodes a protein that is highly expressed in neurons and has been shown to regulate neurite outgrowth as well as synapse formation and synaptic transmission. Clinically, mutations in or deletions of IL1RAPL1 have been associated with a spectrum of neurological dysfunction including autism spectrum disorder and nonsyndromic X-linked developmental delay/intellectual disability of varying severity. Nearly all reported cases are in males; in the few reported cases involving females, the clinical presentation was mild or the deletion was identified in phenotypically normal carriers in accordance with X-linked inheritance. Using genome-wide microarray analysis, we identified a novel de novo 373 kb interstitial deletion of the X chromosome (Xp21.1-p21.2) that includes exons 4 to 6 of the IL1RAPL1 gene in an 8-year-old girl with severe intellectual disability and behavioral disorder with a history of developmental regression. Overnight continuous video electroencephalography revealed electrical status epilepticus in sleep (ESES). This case expands the clinical genetic spectrum of IL1RAPL1-related neurodevelopmental disorders and highlights a new genetic association of ESES.
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Affiliation(s)
- Evan Jiang
- College of Arts and Sciences, The University of Pennsylvania, Philadelphia, Pennsylvania, United States
| | - Mark P. Fitzgerald
- Department of Pediatrics, Division of Neurology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
- The Epilepsy NeuroGenetics Initiative, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
| | - Katherine L. Helbig
- Department of Pediatrics, Division of Neurology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
- The Epilepsy NeuroGenetics Initiative, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
| | - Ethan M. Goldberg
- Department of Pediatrics, Division of Neurology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
- The Epilepsy NeuroGenetics Initiative, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States
- Department of Neuroscience, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States
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12
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Zengeler KE, Lukens JR. Innate immunity at the crossroads of healthy brain maturation and neurodevelopmental disorders. Nat Rev Immunol 2021; 21:454-468. [PMID: 33479477 PMCID: PMC9213174 DOI: 10.1038/s41577-020-00487-7] [Citation(s) in RCA: 131] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2020] [Indexed: 12/29/2022]
Abstract
The immune and nervous systems have unique developmental trajectories that individually build intricate networks of cells with highly specialized functions. These two systems have extensive mechanistic overlap and frequently coordinate to accomplish the proper growth and maturation of an organism. Brain resident innate immune cells - microglia - have the capacity to sculpt neural circuitry and coordinate copious and diverse neurodevelopmental processes. Moreover, many immune cells and immune-related signalling molecules are found in the developing nervous system and contribute to healthy neurodevelopment. In particular, many components of the innate immune system, including Toll-like receptors, cytokines, inflammasomes and phagocytic signals, are critical contributors to healthy brain development. Accordingly, dysfunction in innate immune signalling pathways has been functionally linked to many neurodevelopmental disorders, including autism and schizophrenia. This review discusses the essential roles of microglia and innate immune signalling in the assembly and maintenance of a properly functioning nervous system.
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Affiliation(s)
- Kristine E Zengeler
- Department of Neuroscience, Center for Brain Immunology and Glia (BIG), Charlottesville, VA, USA.
- Neuroscience Graduate Program, Charlottesville, VA, USA.
- Cell and Molecular Biology Training Program, School of Medicine, University of Virginia, Charlottesville, VA, USA.
| | - John R Lukens
- Department of Neuroscience, Center for Brain Immunology and Glia (BIG), Charlottesville, VA, USA.
- Neuroscience Graduate Program, Charlottesville, VA, USA.
- Cell and Molecular Biology Training Program, School of Medicine, University of Virginia, Charlottesville, VA, USA.
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13
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Markouli M, Strepkos D, Chlamydas S, Piperi C. Histone lysine methyltransferase SETDB1 as a novel target for central nervous system diseases. Prog Neurobiol 2020; 200:101968. [PMID: 33279625 DOI: 10.1016/j.pneurobio.2020.101968] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 07/31/2020] [Accepted: 11/29/2020] [Indexed: 12/14/2022]
Abstract
Epigenetic changes that regulate chromatin structure have a major impact in genome stabilization and maintenance of cellular homeostasis, been recently implicated in the pathophysiology of central nervous system (CNS). Aberrant expression and dysregulation of histone modification enzymes has been associated with the development of several CNS disorders, revealing these enzymes as putative targets for drug development and novel therapeutic approaches. SETDB1 is a histone lysine methyltransferase responsible for the di- and tri-methylation of histone 3 (H3) at lysine (K) 9 in euchromatic regions further promoting gene silencing through heterochromatin formation. By this way, SETDB1 has been shown to regulate gene expression and influence normal cellular homeostasis required for nervous system function while it is also implicated in the pathogenesis of CNS disorders. Among them, brain tumors, schizophrenia, Huntington's disease, autism spectrum disorders along with alcohol-induced fetal neurobehavioral deficits and Prader-Willi syndrome are representative examples, indicating the aberrant expression and function of SETDB1 as a common pathogenic factor. In this review, we focus on SETDB1-associated molecular mechanisms implicated in CNS physiology and disease while we further discuss current pharmacological approaches targeting SETDB1 enzymatic activity with beneficial effects.
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Affiliation(s)
- Mariam Markouli
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Dimitrios Strepkos
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Sarantis Chlamydas
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece.
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14
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Han Y, Huard A, Mora J, da Silva P, Brüne B, Weigert A. IL-36 family cytokines in protective versus destructive inflammation. Cell Signal 2020; 75:109773. [PMID: 32898612 DOI: 10.1016/j.cellsig.2020.109773] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/14/2022]
Abstract
The IL-1 family of cytokines and receptors are critical regulators of inflammation. Within the IL-1 family and in contrast to its IL-1 and IL-18 subfamilies, the IL-36 subfamily is still poorly characterized. Three pro-inflammatory agonists IL-36α, IL-36β, IL-36γ, one IL-36 receptor (IL-1R6) antagonist, IL-36RA, and one putative IL-1R6 antagonist, IL-38, have been grouped into the IL-36 cytokine subfamily. IL-36 agonists signal through a common receptor complex to serve as early triggers of inflammatory responses by activating and cross-regulating a number of inflammatory pathways including NF-κB, MAPK and IFN signaling. IL-36RA binds to IL-1R6 to limit inflammatory signaling, while IL-38 may be an antagonist of more than one IL-1 family receptor. Expression patterns of IL-36 family cytokines, being most prominently expressed in epithelial barrier tissues such as the skin and intestines as well as in immune cells, suggest a role in protecting these barriers from infection. Dysregulation of IL-36 family cytokine signaling at physiological barriers, most prominently the skin, induces autoimmune inflammation. However, transferring the potential of IL-36 to induce tissue damage to tumors might benefit cancer patients. Here we summarize signaling pathways regulated by IL-36 family cytokines, including IL-38, and the consequences for physiological protective and pathophysiological destructive inflammation. Moreover, we discuss the limits of current knowledge on IL-36 family function to open potential avenues for research in the future.
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Affiliation(s)
- Yingying Han
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Special Key Laboratory of Oral Diseases Research, Higher Education Institutions of Guizhou Province, Zunyi Medical University, Zunyi 563006, Guizhou, China; School of Stomatology, Zunyi Medical University, Zunyi 563006, Guizhou, China
| | - Arnaud Huard
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany
| | - Javier Mora
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Faculty of Microbiology, University of Costa Rica, San José 2060, Costa Rica
| | - Priscila da Silva
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Translational Medicine and Pharmacology (TMP), Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt 60590, Germany
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Translational Medicine and Pharmacology (TMP), Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt 60590, Germany; Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt 60596, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt 60596, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt, Germany.
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15
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Gao J, Jiang X, Wang J, Xue Y, Li X, Sun Z, Xie H, Nie P, Zou J, Gao Q. Phylogeny and expression modulation of interleukin 1 receptors in grass carp (Ctenopharyngodon idella). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 99:103401. [PMID: 31145914 DOI: 10.1016/j.dci.2019.103401] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 05/22/2019] [Accepted: 05/22/2019] [Indexed: 06/09/2023]
Abstract
The interleukin (IL) -1 family members play an important role in regulating inflammatory responses and their functions are mediated by a group of receptors consisting of immunoglobulin and Toll/IL-1 receptor (TIR) domains. In humans, 10 IL-1Rs are found. In this study, 5 IL-1 receptors including IL-1R3/IL-1RAcP, IL-1R8/SIGIRR, IL-1R9a/IL-1RAcPL1a, IL-1R9b/IL-1RAcPL1b and IL-1R10/IL-1RAcPL2 were identified in grass carp (Ctenopharyngodon idella). Phylogenetic analysis reveals that the IL-1R9a/IL-1RAcPL1a and IL-1R9b/IL-1RAcPL1b share significantly high sequence similarity and are believed to have been duplicated from the same gene prior to the radiation of teleosts. Further, these two receptors closely relate to the IL-1R10/IL-1RAcPL2, suggesting that they may have evolved from a common ancestor. The IL-1R3/IL-1RAcP, IL-1R9a/IL-1RAcPL1a, IL-1R9b/IL-1RAcPL1b and IL-1R10/IL-1RAcPL2 are highly expressed in the brain. Stimulation of primary spleen leucocytes by LPS and intraperitoneal injection of fish with poly (I:C) or bacterial infection results in significant increases of IL-1R3/IL-1RAcP expression. Interestingly, the IL-1R8/SIGIRR and IL-1R10/IL-1RAcPL2 showed similar expression patterns.
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Affiliation(s)
- Jingduo Gao
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Xinyu Jiang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Junya Wang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Yujie Xue
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Xia Li
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Zhaosheng Sun
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Haixia Xie
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China
| | - Pin Nie
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China
| | - Jun Zou
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.
| | - Qian Gao
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China.
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16
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The IL-1 family of cytokines and receptors in rheumatic diseases. Nat Rev Rheumatol 2019; 15:612-632. [DOI: 10.1038/s41584-019-0277-8] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/18/2019] [Indexed: 02/07/2023]
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17
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Duplication of The SOX3 Gene in an Sry-negative 46,XX Male with Associated Congenital Anomalies of Kidneys and the Urinary Tract: Case Report and Review of the Literature. Balkan J Med Genet 2019; 22:81-88. [PMID: 31523625 PMCID: PMC6714342 DOI: 10.2478/bjmg-2019-0006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Disorders of sex development (DSD) are a group of rare conditions characterized by discrepancy between chromosomal sex, gonads and external genitalia. Congenital abnormalities of the kidney and urinary tract are often associated with DSD, mostly in multiple malformation syndromes. We describe the case of an 11-year-old Caucasian boy, with right kidney hypoplasia and hypospadias. Genome-wide copy number variation (CNV) analysis revealed a unique duplication of about 550 kb on chromosome Xq27, and a 46,XX karyotype, consistent with a sex reversal phenotype. This region includes multiple genes, and, among these, SOX3 emerged as the main phenotypic driver. This is the fifth case reporting a genomic imbalance involving the SOX3 gene in a 46,XX SRY-negative male, and the first with associated renal malformations. Our data provide plausible links between SOX3 gene dosage and kidney malformations. It is noteworthy that the current and reported SOX3 gene duplications are below the detection threshold of standard karyotypes and were found only by analyzing CNVs using DNA microarrays. Therefore, all 46,XX SRY-negative males should be screened for SOX3 gene duplications with DNA microarrays.
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18
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Xie L, Huang Z, Li H, Liu X, Zheng S, Su W. IL-38: A New Player in Inflammatory Autoimmune Disorders. Biomolecules 2019; 9:E345. [PMID: 31387327 PMCID: PMC6723600 DOI: 10.3390/biom9080345] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/26/2019] [Accepted: 07/27/2019] [Indexed: 12/21/2022] Open
Abstract
Interleukin (IL)-38, a newly discovered IL-1 family cytokine, is expressed in several tissues and secreted by various cells. IL-38 has recently been reported to exert an anti-inflammatory function by binding to several receptors, including interleukin-36 receptor (IL-36R), interleukin-1 receptor accessory protein-like 1 (IL-1RAPL1), and interleukin-1 receptor 1 (IL-1R1) to block binding with other pro-inflammatory cytokines and inhibit subsequent signaling pathways; thereby regulating the differentiation and function of T cells, peripheral blood mononuclear cells, macrophages, and dendritic cells. Inflammatory autoimmune diseases, which are common immune-mediated inflammatory syndromes, are characterized by an imbalance between T helper cells (Ths), especially Th1s and Th17s, and regulatory T cells (Tregs). Recent findings have shown that abnormal expression of IL-38 in inflammatory autoimmune diseases, such as rheumatoid arthritis, psoriatic arthritis, systemic lupus erythematosus, primary Sjogren's syndrome, psoriasis, inflammatory bowel disease, hidradenitis suppurativa, ankylosing spondylitis, and glaucoma, involves Th1s, Th17s, and Tregs. In this review, the expression, regulation, and biological function of IL-38 are discussed, as are the roles of IL-38 in various inflammatory autoimmune disorders. Current data support that the IL-38/IL-36R and/or IL-38/IL-1RAPL1 axis primarily play an anti-inflammatory role in the development and resolution of inflammatory autoimmune diseases and indicate a possible therapeutic benefit of IL-38 in these diseases.
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Affiliation(s)
- Lihui Xie
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong 510000, China
| | - Zhaohao Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong 510000, China
| | - He Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong 510000, China
| | - Xiuxing Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong 510000, China
| | - Songguo Zheng
- Department of Internal Medicine, Ohio State University College of Medicine, Columbus, OH 43210, USA.
| | - Wenru Su
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong 510000, China.
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19
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Hsueh YP. Synaptic Formation, Neural Circuits and Neurodevelopmental Disorders Controlled by Signaling, Translation, and Epigenetic Regulation. Dev Neurobiol 2019; 79:2-7. [PMID: 30672130 DOI: 10.1002/dneu.22655] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Yi-Ping Hsueh
- Institute of Molecular Biology, Academia Sinica, Taipei, 11529, Taiwan, Republic of China
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20
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Cresto N, Pillet LE, Billuart P, Rouach N. Do Astrocytes Play a Role in Intellectual Disabilities? Trends Neurosci 2019; 42:518-527. [PMID: 31300246 DOI: 10.1016/j.tins.2019.05.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 05/06/2019] [Accepted: 05/31/2019] [Indexed: 11/29/2022]
Abstract
Neurodevelopmental disorders, including those involving intellectual disability, are characterized by abnormalities in formation and functions of synaptic circuits. Traditionally, research on synaptogenesis and synaptic transmission in health and disease focused on neurons, however, a growing number of studies have highlighted the role of astrocytes in this context. Tight structural and functional interactions of astrocytes and synapses indeed play important roles in brain functions, and the repertoire of astroglial regulations of synaptic circuits is large and complex. Recently, genetic studies of intellectual disabilities have underscored potential contributions of astrocytes in the pathophysiology of these disorders. Here we review how alterations of astrocyte functions in disease may interfere with neuronal excitability and the balance of excitatory and inhibitory transmission during development, and contribute to intellectual disabilities.
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Affiliation(s)
- Noémie Cresto
- Neuroglial Interactions in Cerebral Physiopathology, Center for Interdisciplinary Research in Biology, Collège de France, CNRS UMR 7241, INSERM U1050, 75005 Paris, France; Université de Paris, Institut de Psychiatrie et de Neuroscience de Paris, INSERM U1266, Paris, France
| | - Laure-Elise Pillet
- Neuroglial Interactions in Cerebral Physiopathology, Center for Interdisciplinary Research in Biology, Collège de France, CNRS UMR 7241, INSERM U1050, 75005 Paris, France; Université de Paris, Institut de Psychiatrie et de Neuroscience de Paris, INSERM U1266, Paris, France; Doctoral School N°562, Paris Descartes University, Paris 75006, France
| | - Pierre Billuart
- Université de Paris, Institut de Psychiatrie et de Neuroscience de Paris, INSERM U1266, Paris, France.
| | - Nathalie Rouach
- Neuroglial Interactions in Cerebral Physiopathology, Center for Interdisciplinary Research in Biology, Collège de France, CNRS UMR 7241, INSERM U1050, 75005 Paris, France.
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21
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Ponzoni L, Sala C, Verpelli C, Sala M, Braida D. Different attentional dysfunctions in
eEF2K
−/−
, IL1RAPL1
−/−
and
SHANK3Δ11
−/−
mice. GENES BRAIN AND BEHAVIOR 2019; 18:e12563. [DOI: 10.1111/gbb.12563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 02/22/2019] [Accepted: 03/04/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Luisa Ponzoni
- CNR, Neuroscience Institute Milan Italy
- Department of Medical Biotechnology and Translational MedicineUniversità degli Studi di Milano Milan Italy
| | | | | | | | - Daniela Braida
- Department of Medical Biotechnology and Translational MedicineUniversità degli Studi di Milano Milan Italy
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22
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23
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Abstract
Synapse formation is mediated by a surprisingly large number and wide variety of genes encoding many different protein classes. One of the families increasingly implicated in synapse wiring is the immunoglobulin superfamily (IgSF). IgSF molecules are by definition any protein containing at least one Ig-like domain, making this family one of the most common protein classes encoded by the genome. Here, we review the emerging roles for IgSF molecules in synapse formation specifically in the vertebrate brain, focusing on examples from three classes of IgSF members: ( a) cell adhesion molecules, ( b) signaling molecules, and ( c) immune molecules expressed in the brain. The critical roles for IgSF members in regulating synapse formation may explain their extensive involvement in neuropsychiatric and neurodevelopmental disorders. Solving the IgSF code for synapse formation may reveal multiple new targets for rescuing IgSF-mediated deficits in synapse formation and, eventually, new treatments for psychiatric disorders caused by altered IgSF-induced synapse wiring.
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Affiliation(s)
- Scott Cameron
- Center for Neuroscience, University of California, Davis, California 95618, USA; ,
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24
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Sun Z, Chadwick BP. Loss of SETDB1 decompacts the inactive X chromosome in part through reactivation of an enhancer in the IL1RAPL1 gene. Epigenetics Chromatin 2018; 11:45. [PMID: 30103804 PMCID: PMC6088404 DOI: 10.1186/s13072-018-0218-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/10/2018] [Indexed: 01/04/2023] Open
Abstract
Background The product of dosage compensation in female mammals is the inactive X chromosome (Xi). Xi facultative heterochromatin is organized into two different types, one of which is defined by histone H3 trimethylated at lysine 9 (H3K9me3). The rationale for this study was to assess SET domain bifurcated 1 (SETDB1) as a candidate for maintaining this repressive modification at the human Xi. Results Here, we show that loss of SETDB1 does not result in large-scale H3K9me3 changes at the Xi, but unexpectedly we observed striking decompaction of the Xi territory. Close examination revealed a 0.5 Mb region of the Xi that transitioned from H3K9me3 heterochromatin to euchromatin within the 3′ end of the IL1RAPL1 gene that is part of a common chromosome fragile site that is frequently deleted or rearranged in patients afflicted with intellectual disability and other neurological ailments. Centrally located within this interval is a powerful enhancer adjacent to an ERVL-MaLR element. In the absence of SETDB1, the enhancer is reactivated on the Xi coupled with bidirectional transcription from the ERVL-MaLR element. Xa deletion of the enhancer/ERVL-MaLR resulted in loss of full-length IL1RAPL1 transcript in cis, coupled with trans decompaction of the Xi chromosome territory, whereas Xi deletion increased detection of full-length IL1RAPL1 transcript in trans, but did not impact Xi compaction. Conclusions These data support a critical role for SETDB1 in maintaining the ERVL-MaLR element and adjacent enhancer in the 3′ end of the IL1RAPL1 gene in a silent state to facilitate Xi compaction. Electronic supplementary material The online version of this article (10.1186/s13072-018-0218-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhuo Sun
- Department of Biological Science, Florida State University, 319 Stadium Drive, King 3076, Tallahassee, FL, 32306-4295, USA
| | - Brian P Chadwick
- Department of Biological Science, Florida State University, 319 Stadium Drive, King 3076, Tallahassee, FL, 32306-4295, USA.
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25
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Won SY, Kim HM. Structural Basis for LAR-RPTP-Mediated Synaptogenesis. Mol Cells 2018; 41:622-630. [PMID: 30008201 PMCID: PMC6078854 DOI: 10.14348/molcells.2018.0202] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/10/2018] [Accepted: 06/25/2018] [Indexed: 12/28/2022] Open
Abstract
Leukocyte common antigen-related protein tyrosine phosphatases (LAR-RPTPs) are cellular receptors of heparan sulfate (HS) and chondroitin sulfate (CS) proteoglycans that regulate neurite outgrowth and neuronal regeneration. LAR-RPTPs have also received particular attention as the major presynaptic hubs for synapse organization through selective binding to numerous postsynaptic adhesion partners. Recent structural studies on LAR-RPTP-mediated trans-synaptic adhesion complexes have provided significant insight into the molecular basis of their specific interactions, the key codes for their selective binding, as well as the higher-order clustering of LAR-RPTPs necessary for synaptogenic activity. In this review, we summarize the structures of LAR-RPTPs in complex with various postsynaptic adhesion partners and discuss the molecular mechanisms underlying LAR-RPTP-mediated synaptogenesis.
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Affiliation(s)
- Seoung Youn Won
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141,
Korea
| | - Ho Min Kim
- Graduate School of Medical Science & Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141,
Korea
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science (IBS), Daejeon 34141,
Korea
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26
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Hong-Qiang H, Mang-Qiao S, Fen X, Shan-Shan L, Hui-Juan C, Wu-Gang H, Wen-Jun Y, Zheng-Wu P. Sirt1 mediates improvement of isoflurane-induced memory impairment following hyperbaric oxygen preconditioning in middle-aged mice. Physiol Behav 2018; 195:1-8. [PMID: 30040951 DOI: 10.1016/j.physbeh.2018.07.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/20/2018] [Accepted: 07/20/2018] [Indexed: 01/04/2023]
Abstract
Hyperbaric oxygen (HBO) preconditioning (PC) has been suggested as a feasible method to provide neuroprotection from postoperative cognitive dysfunction (POCD). However, whether HBO-PC can ameliorate cognitive deficits induced by isoflurane, and the possible mechanism by which it may exert its effect, has not yet been clarified. In the present study, middle-aged mice were exposed to isoflurane anesthesia (1.5 minimal alveolar concentration [MAC]) for 2 h to establish a POCD model. After HBO preconditioning, cognitive function and expression of hippocampal sirtuin 1 (Sirt1), nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase 1 (HO-1) were evaluated 24 h following isoflurane treatment, in the presence or absence of Sirt1 knockdown by short hairpin RNA (shRNA). HBO preconditioning increased the expression of Sirt1, Nrf2, and HO-1 and ameliorated memory dysfunction. Meanwhile, Sirt1 knockdown inhibited the expression of Nrf2 and HO-1 and attenuated the HBO preconditioning-associated memory improvement. Our results suggest that the application of HBO preconditioning is a useful treatment for POCD, and that Sirt1 may be a potential molecular target for POCD therapy.
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Affiliation(s)
- Hu Hong-Qiang
- Department of Anesthesiology, PLA No. 174 Hospital, Chenggong Hospital Affiliated to Xiamen University, Xiamen, Fujian 361003, China
| | - Shu Mang-Qiao
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China; Department of Psychiatry, Changan Hospital, Xi'an 710016, China
| | - Xue Fen
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Liu Shan-Shan
- Department of Anesthesiology, PLA No. 174 Hospital, Chenggong Hospital Affiliated to Xiamen University, Xiamen, Fujian 361003, China
| | - Cao Hui-Juan
- Department of Anesthesiology, PLA No. 174 Hospital, Chenggong Hospital Affiliated to Xiamen University, Xiamen, Fujian 361003, China
| | - Hou Wu-Gang
- Department of Anesthesiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yan Wen-Jun
- Department of Anesthesiology, Gansu Provincial Hospital, Lanzhou 730000, China.
| | - Peng Zheng-Wu
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
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27
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Abstract
The extracellular forms of the IL-1 cytokines are active through binding to specific receptors on the surface of target cells. IL-1 ligands bind to the extracellular portion of their ligand-binding receptor chain. For signaling to take place, a non-binding accessory chain is recruited into a heterotrimeric complex. The intracellular approximation of the Toll-IL-1-receptor (TIR) domains of the 2 receptor chains is the event that initiates signaling. The family of IL-1 receptors (IL-1R) includes 10 structurally related members, and the distantly related soluble protein IL-18BP that acts as inhibitor of the cytokine IL-18. Over the years the receptors of the IL-1 family have been known with many different names, with significant confusion. Thus, we will use here a recently proposed unifying nomenclature. The family includes several ligand-binding chains (IL-1R1, IL-1R2, IL-1R4, IL-1R5, and IL-1R6), 2 types of accessory chains (IL-1R3, IL-1R7), molecules that act as inhibitors of signaling (IL-1R2, IL-1R8, IL-18BP), and 2 orphan receptors (IL-1R9, IL-1R10). In this review, we will examine how the receptors of the IL-1 family regulate the inflammatory and anti-inflammatory functions of the IL-1 cytokines and are, more at large, involved in modulating defensive and pathological innate immunity and inflammation. Regulation of the IL-1/IL-1R system in the brain will be also described, as an example of the peculiarities of organ-specific modulation of inflammation.
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Affiliation(s)
- Diana Boraschi
- Institute of Protein Biochemistry, National Research Council, Naples, Italy
| | - Paola Italiani
- Institute of Protein Biochemistry, National Research Council, Naples, Italy
| | - Sabrina Weil
- Immunology FB08, Justus-Liebig-Universitat Giessen, Giessen, Germany
| | - Michael U Martin
- Immunology FB08, Justus-Liebig-Universitat Giessen, Giessen, Germany
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28
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Pozzi D, Menna E, Canzi A, Desiato G, Mantovani C, Matteoli M. The Communication Between the Immune and Nervous Systems: The Role of IL-1β in Synaptopathies. Front Mol Neurosci 2018; 11:111. [PMID: 29674955 PMCID: PMC5895746 DOI: 10.3389/fnmol.2018.00111] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 03/20/2018] [Indexed: 12/14/2022] Open
Abstract
In the last 15 years, groundbreaking genetic progress has underlined a convergence onto coherent synaptic pathways for most psychiatric and neurodevelopmental disorders, which are now collectively called “synaptopathies.” However, the modest size of inheritance detected so far indicates a multifactorial etiology for these disorders, underlining the key contribution of environmental effects to them. Inflammation is known to influence the risk and/or severity of a variety of synaptopathies. In particular, pro-inflammatory cytokines, produced and released in the brain by activated astrocytes and microglia, may play a pivotal role in these pathologies. Although the link between immune system activation and defects in cognitive processes is nowadays clearly established, the knowledge of the molecular mechanisms by which inflammatory mediators specifically hit synaptic components implicated in synaptopathies is still in its infancy. This review summarizes recent evidence showing that the pro-inflammatory cytokine interleukin-1β (IL-1β) specifically targets synaptopathy molecular substrate, leading to memory defects and pathological processes. In particular, we describe three specific pathways through which IL-1β affects (1) synaptic maintenance/dendritic complexity, (2) spine morphology, and (3) the excitatory/inhibitory balance. We coin the term immune synaptopathies to identify this class of diseases.
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Affiliation(s)
- Davide Pozzi
- Department of Biomedical Sciences, Humanitas University, Rozzano, Italy.,Humanitas Clinical and Research Center, Rozzano, Italy
| | - Elisabetta Menna
- Humanitas Clinical and Research Center, Rozzano, Italy.,Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Milan, Italy
| | - Alice Canzi
- Department of Biomedical Sciences, Humanitas University, Rozzano, Italy
| | - Genni Desiato
- Humanitas Clinical and Research Center, Rozzano, Italy.,School of Medicine and Surgery, University of Milan-Bicocca, Milan, Italy
| | | | - Michela Matteoli
- Humanitas Clinical and Research Center, Rozzano, Italy.,Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Milan, Italy
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29
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The X-Linked Intellectual Disability Protein IL1RAPL1 Regulates Dendrite Complexity. J Neurosci 2017; 37:6606-6627. [PMID: 28576939 DOI: 10.1523/jneurosci.3775-16.2017] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 03/17/2017] [Accepted: 05/04/2017] [Indexed: 11/21/2022] Open
Abstract
Mutations and deletions of the interleukin-1 receptor accessory protein like 1 (IL1RAPL1) gene, located on the X chromosome, are associated with intellectual disability (ID) and autism spectrum disorder (ASD). IL1RAPL1 protein is located at the postsynaptic compartment of excitatory synapses and plays a role in synapse formation and stabilization. Here, using primary neuronal cultures and Il1rapl1-KO mice, we characterized the role of IL1RAPL1 in regulating dendrite morphology. In Il1rapl1-KO mice we identified an increased number of dendrite branching points in CA1 and CA2 hippocampal neurons associated to hippocampal cognitive impairment. Similarly, induced pluripotent stem cell-derived neurons from a patient carrying a null mutation of the IL1RAPL1 gene had more dendrites. In hippocampal neurons, the overexpression of full-length IL1RAPL1 and mutants lacking part of C-terminal domains leads to simplified neuronal arborization. This effect is abolished when we overexpressed mutants lacking part of N-terminal domains, indicating that the IL1RAPL1 extracellular domain is required for regulating dendrite development. We also demonstrate that PTPδ interaction is not required for this activity, while IL1RAPL1 mediates the activity of IL-1β on dendrite morphology. Our data reveal a novel specific function for IL1RAPL1 in regulating dendrite morphology that can help clarify how changes in IL1RAPL1-regulated pathways can lead to cognitive disorders in humans.SIGNIFICANCE STATEMENT Abnormalities in the architecture of dendrites have been observed in a variety of neurodevelopmental, neurodegenerative, and neuropsychiatric disorders. Here we show that the X-linked intellectual disability protein interleukin-1 receptor accessory protein like 1 (IL1RAPL1) regulates dendrite morphology of mice hippocampal neurons and induced pluripotent stem cell-derived neurons from a patient carrying a null mutation of IL1RAPL1 gene. We also found that the extracellular domain of IL1RAPL1 is required for this effect, independently of the interaction with PTPδ, but IL1RAPL1 mediates the activity of IL-1β on dendrite morphology. Our data reveal a novel specific function for IL1RAPL1 in regulating dendrite morphology that can help clarify how changes in IL1RAPL1-regulated pathways can lead to cognitive disorders in humans.
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30
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Liu JM, Hsu RJ, Chang FW, Yeh CL, Huang CF, Chang ST, Chiu NC, Chang HY, Chi H, Lin CY. Increase the risk of intellectual disability in children with scabies: A nationwide population-based cohort study. Medicine (Baltimore) 2017; 96:e7108. [PMID: 28591057 PMCID: PMC5466235 DOI: 10.1097/md.0000000000007108] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Scabies is a common and distressing disease caused by the mite Sarcoptes scabiei var. hominis. Psychiatric disorder in childhood is an important disease and easily neglected. There are several similarities in scabies and psychiatric disorders in childhood (PDC). Both of them may present with pruritus. They are relatively common in patients with lower socioeconomic status and crowded environment. Furthermore, immune-mediated inflammatory processes play a role in the pathophysiology in both diseases. An association between scabies and psychiatric disorders may exist. This nationwide population-based cohort study utilized data from the National Health Insurance Research Database to investigate the relationship between scabies and PDC. A total of 2137 children with scabies were identified as the study group and 8548 age- and sex-matched children were selected as the control group. A total of 607 (5.68%) children developed PDC during the 7-year follow-up period. The overall incidences of PDC are similar but patients with scabies had a higher risk of developing intellectual disability (ID) (scabies group vs control group: 1.3% vs 0.6%, adjusted hazard ratio: 2.04 and 95% confidence interval: 1.25-3.32). The immune-mediated inflammatory processes of both diseases were reviewed and may contribute to the 104% increased risk of interleukin in patients with scabies. We suggest a more comprehensive management in treating patients with scabies or ID. Early and comprehensive treatment of scabies and other risk factors may decrease the risk of subsequent ID. When we approach patients with ID, concurrent evaluation of scabies and other risk factors may contribute to successful management.
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Affiliation(s)
- Jui-Ming Liu
- Division of Urology, Department of Surgery, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan
- Department of Medicine, National Yang-Ming University
- Graduate Institute of Life Sciences
| | - Ren-Jun Hsu
- Graduate Institute of Life Sciences
- Biobank Management Center of the Tri-Service General Hospital
- Department of Pathology and Graduate Institute of Pathology and Parasitology
| | - Fung-Wei Chang
- Department of Obstetrics & Gynecology, Tri-Service General Hospital, National Defense Medical Center
| | - Chia-Lun Yeh
- Division of Urology, Department of Surgery, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan
- Institute of Bioinformatics and System Biology, National Chiao Tung University, Hsinchu
| | - Chun-Fa Huang
- School of Chinese Medicine, College of Chinese Medicine, China Medical University
- Department of Nursing, College of Medical and Health Science, Asia University
| | - Shu-Ting Chang
- Department of Pediatrics, BinKun Women's and Children's Hospital, Taoyuan
| | - Nan-Chang Chiu
- Department of Pediatrics, MacKay Children's Hospital, Taipei
- Department of Medicine, MacKay Medical College, New Taipei City
| | - Hung-Yang Chang
- Department of Pediatrics, MacKay Children's Hospital, Taipei
- Department of Medicine, MacKay Medical College, New Taipei City
| | - Hsin Chi
- Department of Pediatrics, MacKay Children's Hospital, Taipei
- Department of Medicine, MacKay Medical College, New Taipei City
| | - Chien-Yu Lin
- Department of Pediatrics and Infectious Disease, Hsinchu MacKay Memorial Hospital, Hsinchu, Taiwan
- Division of Infection and Pathway Medicine, College of Medicine and Veterinary Medicine, the University of Edinburgh, Edinburgh, United Kingdom
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31
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Lintas C, Persico AM. Unraveling molecular pathways shared by Kabuki and Kabuki-like syndromes. Clin Genet 2017; 94:283-295. [PMID: 28139835 DOI: 10.1111/cge.12983] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 01/19/2017] [Indexed: 12/12/2022]
Abstract
Kabuki syndrome (KS) is a rare genetic syndrome characterized by a typical facial gestalt, variable degrees of intellectual disability, organ malformations, postnatal growth retardation and skeletal abnormalities. So far, KMT2D or KDM6A mutation has been identified as the main cause of KS, accounting for 56%-75% and 3%-8% of cases, respectively. Patients without mutations in 1 of the 2 causative KS genes are often referred to as affected by Kabuki-like syndrome. Overall, they represent approximately 30% of KS cases, pointing toward substantial genetic heterogeneity for this condition. Here, we review all currently available literature describing KS-like phenotypes (or phenocopies) associated with genetic variants located in loci different from KMT2D and KDM6A . We also report on a new KS phenocopy harboring a 5 Mb de novo deletion in chr10p11.22-11.21. An enrichment analysis aimed at identifying functional Gene Ontology classes shared by the 2 known KS causative genes and by new candidate genes currently associated with KS-like phenotypes primarily converges upon abnormal chromatin remodeling and transcriptional dysregulation as pivotal to the pathophysiology of KS phenotypic hallmarks. The identification of mutations in genes belonging to the same functional pathways of KMT2D and KDM6A can help design molecular screenings targeted to KS-like phenotypes.
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Affiliation(s)
- C Lintas
- Unit of Child and Adolescent NeuroPsychiatry, University Campus Bio-Medico, Rome, Italy.,Laboratory of Molecular Psychiatry and Neurogenetics, Department of Medicine, University Campus Bio-Medico, Rome, Italy
| | - A M Persico
- Unit of Child and Adolescent NeuroPsychiatry, "G. Martino" University Hospital, University of Messina, Messina, Italy.,Mafalda Luce Center for Pervasive Developmental Disorders, Milan, Italy
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32
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Laino L, Bottillo I, Piedimonte C, Bernardini L, Torres B, Grammatico B, Bargiacchi S, Mulargia C, Calvani M, Cardona F, Castori M, Grammatico P. Clinical and molecular characterization of a boy with intellectual disability, facial dysmorphism, minor digital anomalies and a complex IL1RAPL1 intragenic rearrangement. Eur J Paediatr Neurol 2016; 20:971-976. [PMID: 27470653 DOI: 10.1016/j.ejpn.2016.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/22/2016] [Accepted: 07/02/2016] [Indexed: 01/16/2023]
Abstract
X-linked intellectual disability accounts for 10-12% of cases of cognitive impairment in males. Mutations in IL1RAPL1 are an emerging form of apparently non-syndromic X-linked intellectual disability. We report a 8-year-old intellectually disabled boy with speech delay, and unusual facial and digital anomalies who showed a novel and complex IL1RAPL1 rearrangement. It was defined by two intragenic non-contiguous duplications inherited from the unaffected mother. Chromosome X inactivation study on the mother's blood leukocytes, urinary sediment and buccal swab did not show a significant skewed inactivation. Comparison with previously described patients with IL1RAPL1 disruption was carried. Although data on craniofacial features were scanty in many papers, subtle facial dysmorphism with a thin upper lip seemed a quietly represented picture without any other genotype-phenotype correlations. Our study expands the molecular repertoire of IL1RAPL1 mutations in intellectual disability and points out the need of more accurate clinical descriptions to better define the related phenotype.
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Affiliation(s)
- Luigi Laino
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy.
| | - Irene Bottillo
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy
| | - Caterina Piedimonte
- Department of Pediatrics and Child Neuropsychiatry, Sapienza University, Policlinico Umberto I University Hospital, Rome, Italy
| | - Laura Bernardini
- Unit of Cytogenetics, Mendel Laboratory, Casa Sollievo della Sofferenza Foundation, San Giovanni Rotondo, FG, Italy
| | - Barbara Torres
- Unit of Cytogenetics, Mendel Laboratory, Casa Sollievo della Sofferenza Foundation, San Giovanni Rotondo, FG, Italy
| | - Barbara Grammatico
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy
| | - Simone Bargiacchi
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy
| | - Claudia Mulargia
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy
| | - Mauro Calvani
- Division of Pediatrics, San Camillo-Forlanini Hospital, Rome, Italy
| | - Francesco Cardona
- Department of Pediatrics and Child Neuropsychiatry, Sapienza University, Policlinico Umberto I University Hospital, Rome, Italy
| | - Marco Castori
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy
| | - Paola Grammatico
- Laboratory of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy
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33
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Walker RM, Sussmann JE, Whalley HC, Ryan NM, Porteous DJ, McIntosh AM, Evans KL. Preliminary assessment of pre-morbid DNA methylation in individuals at high genetic risk of mood disorders. Bipolar Disord 2016; 18:410-22. [PMID: 27440233 PMCID: PMC5006843 DOI: 10.1111/bdi.12415] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 06/09/2016] [Accepted: 06/17/2016] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Accumulating evidence implicates altered DNA methylation in psychiatric disorders, including bipolar disorder (BD) and major depressive disorder (MDD). It is not clear, however, whether these changes are causative or result from illness progression or treatment. To disentangle these possibilities we profiled genome-wide DNA methylation in well, unrelated individuals at high familial risk of mood disorder. DNA methylation was compared between individuals who subsequently developed BD or MDD [ill later (IL)] and those who remained well [well later (WL)]. METHODS DNA methylation profiles were obtained from whole-blood samples from 22 IL and 23 WL individuals using the Infinium HumanMethylation450 BeadChip. Differential methylation was assessed on a single-locus and regional basis. Pathway analysis was performed to assess enrichment for particular biological processes amongst nominally significantly differentially methylated loci. RESULTS Although no locus withstood correction for multiple testing, uncorrected P-values provided suggestive evidence for altered methylation at sites within genes previously implicated in neuropsychiatric conditions, such as Transcription Factor 4 (TCF4) and Interleukin 1 Receptor Accessory Protein-Like 1 ([IL1RAPL1]; P≤3.11×10(-5) ). Pathway analysis revealed significant enrichment for several neurologically relevant pathways and functions, including Nervous System Development and Function and Behavior; these findings withstood multiple testing correction (q≤0.05). Analysis of differentially methylated regions identified several within the major histocompatibility complex (P≤.000 479), a region previously implicated in schizophrenia and BD. CONCLUSIONS Our data provide provisional evidence for the involvement of altered whole-blood DNA methylation in neurologically relevant genes in the aetiology of mood disorders. These findings are convergent with the findings of genome-wide association studies.
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Affiliation(s)
- Rosie May Walker
- Medical Genetics SectionCentre for Genomic and Experimental MedicineInstitute of Genetics and Molecular MedicineThe University of EdinburghWestern General HospitalEdinburghUK
| | - Jessika Elizabeth Sussmann
- Division of PsychiatryThe University of EdinburghRoyal Edinburgh HospitalUniversity of EdinburghEdinburghUK
| | - Heather Clare Whalley
- Division of PsychiatryThe University of EdinburghRoyal Edinburgh HospitalUniversity of EdinburghEdinburghUK
| | - Niamh Margaret Ryan
- Medical Genetics SectionCentre for Genomic and Experimental MedicineInstitute of Genetics and Molecular MedicineThe University of EdinburghWestern General HospitalEdinburghUK
| | - David John Porteous
- Medical Genetics SectionCentre for Genomic and Experimental MedicineInstitute of Genetics and Molecular MedicineThe University of EdinburghWestern General HospitalEdinburghUK,Centre for Cognitive Ageing and Cognitive EpidemiologyThe University of EdinburghEdinburghUK
| | - Andrew Mark McIntosh
- Division of PsychiatryThe University of EdinburghRoyal Edinburgh HospitalUniversity of EdinburghEdinburghUK,Centre for Cognitive Ageing and Cognitive EpidemiologyThe University of EdinburghEdinburghUK
| | - Kathryn Louise Evans
- Medical Genetics SectionCentre for Genomic and Experimental MedicineInstitute of Genetics and Molecular MedicineThe University of EdinburghWestern General HospitalEdinburghUK,Centre for Cognitive Ageing and Cognitive EpidemiologyThe University of EdinburghEdinburghUK
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34
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Abstract
Xp21.2 duplication syndrome is a rare genetic disorder of undetermined prevalence and clinical relevance. As the use of chromosomal microarray has become first line for the work-up of childhood developmental delay, more gene deletions and duplications have been recognized. To the best of our knowledge, the imaging findings of Xp21.2 duplication syndrome have not been reported. We report a case of a 33 month-old male referred for developmental delay that was found to have an Xp21.2 duplication containing IL1RAPL1 and multiple midline brain malformations.
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Affiliation(s)
- Matthew T Whitehead
- Department of Neuroradiology, Children's National Medical Center, Washington, D.C., USA
| | - Guy Helman
- Department of Neurology, Children's National Medical Center, Washington, D.C., USA
| | - Andrea L Gropman
- Department of Neurology, Children's National Medical Center, Washington, D.C., USA
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35
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Paděrová J, Holubová A, Simandlová M, Puchmajerová A, Vlčková M, Malíková M, Pourová R, Vejvalková S, Havlovicová M, Šenkeříková M, Ptáková N, Drábová J, Geryk J, Maver A, Křepelová A, Macek M. Molecular genetic analysis in 14 Czech Kabuki syndrome patients is confirming the utility of phenotypic scoring. Clin Genet 2016; 90:230-7. [DOI: 10.1111/cge.12754] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/30/2016] [Accepted: 02/01/2016] [Indexed: 01/17/2023]
Affiliation(s)
- J. Paděrová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - A. Holubová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - M. Simandlová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - A. Puchmajerová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - M. Vlčková
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - M. Malíková
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - R. Pourová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - S. Vejvalková
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - M. Havlovicová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - M. Šenkeříková
- Department of Medical Genetics; Charles University Prague-Faculty of Medicine and University Hospital Hradec Králové; Hradec Králové Czech Republic
| | - N. Ptáková
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - J. Drábová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - J. Geryk
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - A. Maver
- Department of Obstetrics & Gynecology, Centre for Mendelian Genomics, Clinical Institute of Medical Genetics; University Medical Centre Ljubljana; Ljubljana Slovenia
| | - A. Křepelová
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
| | - M. Macek
- Department of Biology and Medical Genetics; Charles University Prague-2 Faculty of Medicine and University Hospital Motol; Prague Czech Republic
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36
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Moysés-Oliveira M, Guilherme RS, Meloni VA, Di Battista A, de Mello CB, Bragagnolo S, Moretti-Ferreira D, Kosyakova N, Liehr T, Carvalheira GM, Melaragno MI. X-linked intellectual disability related genes disrupted by balanced X-autosome translocations. Am J Med Genet B Neuropsychiatr Genet 2015; 168:669-77. [PMID: 26290131 DOI: 10.1002/ajmg.b.32355] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 07/10/2015] [Indexed: 11/10/2022]
Abstract
Detailed molecular characterization of chromosomal rearrangements involving X-chromosome has been a key strategy in identifying X-linked intellectual disability-causing genes. We fine-mapped the breakpoints in four women with balanced X-autosome translocations and variable phenotypes, in order to investigate the corresponding genetic contribution to intellectual disability. We addressed the impact of the gene interruptions in transcription and discussed the consequences of their functional impairment in neurodevelopment. Three patients presented with cognitive impairment, reinforcing the association between the disrupted genes (TSPAN7-MRX58, KIAA2022-MRX98, and IL1RAPL1-MRX21/34) and intellectual disability. While gene expression analysis showed absence of TSPAN7 and KIAA2022 expression in the patients, the unexpected expression of IL1RAPL1 suggested a fusion transcript ZNF611-IL1RAPL1 under the control of the ZNF611 promoter, gene disrupted at the autosomal breakpoint. The X-chromosomal breakpoint definition in the fourth patient, a woman with normal intellectual abilities, revealed disruption of the ZDHHC15 gene (MRX91). The expression assays did not detect ZDHHC15 gene expression in the patient, thus questioning its involvement in intellectual disability. Revealing the disruption of an X-linked intellectual disability-related gene in patients with balanced X-autosome translocation is a useful tool for a better characterization of critical genes in neurodevelopment. © 2015 Wiley Periodicals, Inc.
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Affiliation(s)
- Mariana Moysés-Oliveira
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Roberta Santos Guilherme
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil.,Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Jena, Germany
| | - Vera Ayres Meloni
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Adriana Di Battista
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Silvia Bragagnolo
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Danilo Moretti-Ferreira
- Departament of Genetics, Instituto de Biocincias de Botucatu, Universidade Estadual de São Paulo, São Paulo, Brazil
| | - Nadezda Kosyakova
- Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Jena, Germany
| | - Thomas Liehr
- Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Jena, Germany
| | - Gianna Maria Carvalheira
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Maria Isabel Melaragno
- Department of Morphology and Genetics, Genetics Division, Universidade Federal de São Paulo, São Paulo, Brazil
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Ponzi E, Asaro A, Orteschi D, Genuardi M, Zollino M, Gurrieri F. Variable expressivity of a familial 1.9 Mb microdeletion in 3q28 leading to haploinsufficiency of TP63: Refinement of the critical region for a new microdeletion phenotype. Eur J Med Genet 2015; 58:400-5. [DOI: 10.1016/j.ejmg.2015.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 06/01/2015] [Indexed: 01/17/2023]
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Palomo J, Dietrich D, Martin P, Palmer G, Gabay C. The interleukin (IL)-1 cytokine family--Balance between agonists and antagonists in inflammatory diseases. Cytokine 2015; 76:25-37. [PMID: 26185894 DOI: 10.1016/j.cyto.2015.06.017] [Citation(s) in RCA: 308] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Accepted: 06/29/2015] [Indexed: 12/14/2022]
Abstract
The interleukin (IL)-1 family of cytokines comprises 11 members, including 7 pro-inflammatory agonists (IL-1α, IL-1β, IL-18, IL-33, IL-36α, IL-36β, IL-36γ) and 4 defined or putative antagonists (IL-1R antagonist (IL-1Ra), IL-36Ra, IL-37, and IL-38) exerting anti-inflammatory activities. Except for IL-1Ra, IL-1 cytokines do not possess a leader sequence and are secreted via an unconventional pathway. In addition, IL-1β and IL-18 are produced as biologically inert pro-peptides that require cleavage by caspase-1 in their N-terminal region to generate active proteins. N-terminal processing is also required for full activity of IL-36 cytokines. The IL-1 receptor (IL-1R) family comprises 10 members and includes cytokine-specific receptors, co-receptors and inhibitory receptors. The signaling IL-1Rs share a common structure with three extracellular immunoglobulin (Ig) domains and an intracellular Toll-like/IL-1R (TIR) domain. IL-1 cytokines bind to their specific receptor, which leads to the recruitment of a co-receptor and intracellular signaling. IL-1 cytokines induce potent inflammatory responses and their activity is tightly controlled at the level of production, protein processing and maturation, receptor binding and post-receptor signaling by naturally occurring inhibitors. Some of these inhibitors are IL-1 family antagonists, while others are IL-1R family members acting as membrane-bound or soluble decoy receptors. An imbalance between agonist and antagonist levels can lead to exaggerated inflammatory responses. Several genetic modifications or mutations associated with dysregulated IL-1 activity and autoinflammatory disorders were identified in mouse models and in patients. These findings paved the road to the successful use of IL-1 inhibitors in diseases that were previously considered as untreatable.
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Affiliation(s)
- Jennifer Palomo
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Damien Dietrich
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Praxedis Martin
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Gaby Palmer
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Cem Gabay
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland.
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Androsova G, Krause R, Winterer G, Schneider R. Biomarkers of postoperative delirium and cognitive dysfunction. Front Aging Neurosci 2015; 7:112. [PMID: 26106326 PMCID: PMC4460425 DOI: 10.3389/fnagi.2015.00112] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 05/28/2015] [Indexed: 01/19/2023] Open
Abstract
Elderly surgical patients frequently experience postoperative delirium (POD) and the subsequent development of postoperative cognitive dysfunction (POCD). Clinical features include deterioration in cognition, disturbance in attention and reduced awareness of the environment and result in higher morbidity, mortality and greater utilization of social financial assistance. The aging Western societies can expect an increase in the incidence of POD and POCD. The underlying pathophysiological mechanisms have been studied on the molecular level albeit with unsatisfying small research efforts given their societal burden. Here, we review the known physiological and immunological changes and genetic risk factors, identify candidates for further studies and integrate the information into a draft network for exploration on a systems level. The pathogenesis of these postoperative cognitive impairments is multifactorial; application of integrated systems biology has the potential to reconstruct the underlying network of molecular mechanisms and help in the identification of prognostic and diagnostic biomarkers.
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Affiliation(s)
- Ganna Androsova
- Bioinformatics core, Luxembourg Centre for Systems Biomedicine (LCSB), University of LuxembourgBelvaux, Luxembourg
| | - Roland Krause
- Bioinformatics core, Luxembourg Centre for Systems Biomedicine (LCSB), University of LuxembourgBelvaux, Luxembourg
| | - Georg Winterer
- Experimental and Clinical Research Center (ECRC), Department of Anesthesiology and Operative Intensive Care Medicine, Charité University Medicine BerlinBerlin, Germany
| | - Reinhard Schneider
- Bioinformatics core, Luxembourg Centre for Systems Biomedicine (LCSB), University of LuxembourgBelvaux, Luxembourg
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Yamagata A, Yoshida T, Sato Y, Goto-Ito S, Uemura T, Maeda A, Shiroshima T, Iwasawa-Okamoto S, Mori H, Mishina M, Fukai S. Mechanisms of splicing-dependent trans-synaptic adhesion by PTPδ-IL1RAPL1/IL-1RAcP for synaptic differentiation. Nat Commun 2015; 6:6926. [PMID: 25908590 PMCID: PMC4423211 DOI: 10.1038/ncomms7926] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 03/16/2015] [Indexed: 01/07/2023] Open
Abstract
Synapse formation is triggered through trans-synaptic interaction between pairs of pre- and postsynaptic adhesion molecules, the specificity of which depends on splice inserts known as 'splice-insert signaling codes'. Receptor protein tyrosine phosphatase δ (PTPδ) can bidirectionally induce pre- and postsynaptic differentiation of neurons by trans-synaptically binding to interleukin-1 receptor accessory protein (IL-1RAcP) and IL-1RAcP-like-1 (IL1RAPL1) in a splicing-dependent manner. Here, we report crystal structures of PTPδ in complex with IL1RAPL1 and IL-1RAcP. The first immunoglobulin-like (Ig) domain of IL1RAPL1 directly recognizes the first splice insert, which is critical for binding to IL1RAPL1. The second splice insert functions as an adjustable linker that positions the Ig2 and Ig3 domains of PTPδ for simultaneously interacting with the Ig1 domain of IL1RAPL1 or IL-1RAcP. We further identified the IL1RAPL1-specific interaction, which appears coupled to the first-splice-insert-mediated interaction. Our results thus reveal the decoding mechanism of splice-insert signaling codes for synaptic differentiation induced by trans-synaptic adhesion between PTPδ and IL1RAPL1/IL-1RAcP.
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Affiliation(s)
- Atsushi Yamagata
- Structural Biology Laboratory, Life Science Division, Synchrotron Radiation Research Organization and Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan,Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8501, Japan,CREST, JST, Saitama 332-0012, Japan
| | - Tomoyuki Yoshida
- Department of Molecular Neuroscience, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan,Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan,PRESTO, JST, Saitama 332-0012, Japan,
| | - Yusuke Sato
- Structural Biology Laboratory, Life Science Division, Synchrotron Radiation Research Organization and Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan,Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8501, Japan,CREST, JST, Saitama 332-0012, Japan
| | - Sakurako Goto-Ito
- Structural Biology Laboratory, Life Science Division, Synchrotron Radiation Research Organization and Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan
| | - Takeshi Uemura
- CREST, JST, Saitama 332-0012, Japan,Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan,Department of Molecular and Cellular Physiology, Shinshu University School of Medicine, Nagano 390-8621, Japan,Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Nagano 390-8621, Japan
| | - Asami Maeda
- Structural Biology Laboratory, Life Science Division, Synchrotron Radiation Research Organization and Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan,CREST, JST, Saitama 332-0012, Japan
| | - Tomoko Shiroshima
- Structural Biology Laboratory, Life Science Division, Synchrotron Radiation Research Organization and Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan,CREST, JST, Saitama 332-0012, Japan
| | - Shiho Iwasawa-Okamoto
- Department of Molecular Neuroscience, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan,PRESTO, JST, Saitama 332-0012, Japan
| | - Hisashi Mori
- Department of Molecular Neuroscience, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
| | - Masayoshi Mishina
- Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan,Brain Science Laboratory, The Research Organization of Science and Technology, Ritsumeikan University, Shiga 525-8577, Japan
| | - Shuya Fukai
- Structural Biology Laboratory, Life Science Division, Synchrotron Radiation Research Organization and Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan,Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8501, Japan,CREST, JST, Saitama 332-0012, Japan,
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Yasumura M, Yoshida T, Mishina M. [Phenotypic analysis of IL1RAPL1 knockout mice]. Nihon Yakurigaku Zasshi 2015; 145:187-92. [PMID: 25864829 DOI: 10.1254/fpj.145.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yasumura M, Yoshida T, Yamazaki M, Abe M, Natsume R, Kanno K, Uemura T, Takao K, Sakimura K, Kikusui T, Miyakawa T, Mishina M. IL1RAPL1 knockout mice show spine density decrease, learning deficiency, hyperactivity and reduced anxiety-like behaviours. Sci Rep 2014; 4:6613. [PMID: 25312502 PMCID: PMC4196104 DOI: 10.1038/srep06613] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 09/23/2014] [Indexed: 12/14/2022] Open
Abstract
IL-1 receptor accessory protein-like 1 (IL1RAPL1) is responsible for nonsyndromic intellectual disability and is associated with autism. IL1RAPL1 mediates excitatory synapse formation through trans-synaptic interaction with PTPδ. Here, we showed that the spine density of cortical neurons was significantly reduced in IL1RAPL1 knockout mice. The spatial reference and working memories and remote fear memory were mildly impaired in IL1RAPL1 knockout mice. Furthermore, the behavioural flexibility was slightly reduced in the T-maze test. Interestingly, the performance of IL1RAPL1 knockout mice in the rotarod test was significantly better than that of wild-type mice. Moreover, IL1RAPL1 knockout mice consistently exhibited high locomotor activity in all the tasks examined. In addition, open-space and height anxiety-like behaviours were decreased in IL1RAPL1 knockout mice. These results suggest that IL1RAPL1 ablation resulted in spine density decrease and affected not only learning but also behavioural flexibility, locomotor activity and anxiety.
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Affiliation(s)
- Misato Yasumura
- 1] Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan [2] Liaison Academy, School of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Tomoyuki Yoshida
- 1] Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan [2] Department of Molecular Neuroscience, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Toyama, Japan [3] PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama, Japan
| | - Maya Yamazaki
- Department of Cellular Neurobiology, Brain Research Institute, Niigata University, Niigata, Niigata, Japan
| | - Manabu Abe
- Department of Cellular Neurobiology, Brain Research Institute, Niigata University, Niigata, Niigata, Japan
| | - Rie Natsume
- Department of Cellular Neurobiology, Brain Research Institute, Niigata University, Niigata, Niigata, Japan
| | - Kouta Kanno
- Companion Animal Research, School of Veterinary Medicine, Azabu University, Sagamihara, Kanagawa, Japan
| | - Takeshi Uemura
- 1] Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan [2] Department of Molecular and Cellular Physiology, Shinsyu University School of Medicine, Matsumoto, Nagano, Japan
| | - Keizo Takao
- Section of Behavior Patterns, Center for Genetic Analysis of Behavior, National Institute for Physical Sciences, Okazaki, Aichi, Japan
| | - Kenji Sakimura
- Department of Cellular Neurobiology, Brain Research Institute, Niigata University, Niigata, Niigata, Japan
| | - Takefumi Kikusui
- Companion Animal Research, School of Veterinary Medicine, Azabu University, Sagamihara, Kanagawa, Japan
| | - Tsuyoshi Miyakawa
- 1] Section of Behavior Patterns, Center for Genetic Analysis of Behavior, National Institute for Physical Sciences, Okazaki, Aichi, Japan [2] Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Aichi, Japan
| | - Masayoshi Mishina
- 1] Department of Molecular Neurobiology and Pharmacology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan [2] Brain Science Laboratory, The Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Shiga, Japan
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Ramos-Brossier M, Montani C, Lebrun N, Gritti L, Martin C, Seminatore-Nole C, Toussaint A, Moreno S, Poirier K, Dorseuil O, Chelly J, Hackett A, Gecz J, Bieth E, Faudet A, Heron D, Frank Kooy R, Loeys B, Humeau Y, Sala C, Billuart P. Novel IL1RAPL1 mutations associated with intellectual disability impair synaptogenesis. Hum Mol Genet 2014; 24:1106-18. [PMID: 25305082 DOI: 10.1093/hmg/ddu523] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Mutations in interleukin-1 receptor accessory protein like 1 (IL1RAPL1) gene have been associated with non-syndromic intellectual disability (ID) and autism spectrum disorder. This protein interacts with synaptic partners like PSD-95 and PTPδ, regulating the formation and function of excitatory synapses. The aim of this work was to characterize the synaptic consequences of three IL1RAPL1 mutations, two novel causing the deletion of exon 6 (Δex6) and one point mutation (C31R), identified in patients with ID. Using immunofluorescence and electrophysiological recordings, we examined the effects of IL1RAPL1 mutant over-expression on synapse formation and function in cultured rodent hippocampal neurons. Δex6 but not C31R mutation leads to IL1RAPL1 protein instability and mislocalization within dendrites. Analysis of different markers of excitatory synapses and sEPSC recording revealed that both mutants fail to induce pre- and post-synaptic differentiation, contrary to WT IL1RAPL1 protein. Cell aggregation and immunoprecipitation assays in HEK293 cells showed a reduction of the interaction between IL1RAPL1 mutants and PTPδ that could explain the observed synaptogenic defect in neurons. However, these mutants do not affect all cellular signaling because their over-expression still activates JNK pathway. We conclude that both mutations described in this study lead to a partial loss of function of the IL1RAPL1 protein through different mechanisms. Our work highlights the important function of the trans-synaptic PTPδ/IL1RAPL1 interaction in synaptogenesis and as such in ID in the patients.
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Affiliation(s)
- Mariana Ramos-Brossier
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France
| | - Caterina Montani
- CNR Neuroscience Institute and Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan 20129, Italy
| | - Nicolas Lebrun
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France
| | - Laura Gritti
- CNR Neuroscience Institute and Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan 20129, Italy
| | | | | | - Aurelie Toussaint
- Assistance Publique-Hôpitaux de Paris, Laboratoire de Biochimie et Génétique Moléculaire, Hôpital Cochin, APHP, Paris 75014, France
| | - Sarah Moreno
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France
| | - Karine Poirier
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France
| | - Olivier Dorseuil
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France
| | - Jamel Chelly
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France
| | - Anna Hackett
- Genetics of Learning Disability Service, Hunter Genetics, Waratah, NSW 2298, Australia
| | - Jozef Gecz
- School of Paediatrics and Reproductive Health, Robinson Institute, The University of Adelaide, Adelaide, SA 5006, Australia
| | - Eric Bieth
- Service de Génétique Médicale, Hôpital Purpan, Toulouse 31059, France
| | - Anne Faudet
- Genetics and Cytogenetics Department, GRC-UPMC, Pitié-Salpetrière CHU, Paris 75013, France and
| | - Delphine Heron
- Genetics and Cytogenetics Department, GRC-UPMC, Pitié-Salpetrière CHU, Paris 75013, France and
| | - R Frank Kooy
- Department of Medical Genetics, Faculty of Medicine and Health Sciences, University and University Hospital Antwerp, Antwerp 2610, Belgium
| | - Bart Loeys
- Department of Medical Genetics, Faculty of Medicine and Health Sciences, University and University Hospital Antwerp, Antwerp 2610, Belgium
| | - Yann Humeau
- IINS, CNRS UMR5297, Université de Bordeaux, Bordeaux 33000, France
| | - Carlo Sala
- CNR Neuroscience Institute and Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan 20129, Italy
| | - Pierre Billuart
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris 75014, France,
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Zhang CL, Houbaert X, Lepleux M, Deshors M, Normand E, Gambino F, Herzog E, Humeau Y. The hippocampo-amygdala control of contextual fear expression is affected in a model of intellectual disability. Brain Struct Funct 2014; 220:3673-82. [PMID: 25158900 DOI: 10.1007/s00429-014-0882-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 08/20/2014] [Indexed: 12/11/2022]
Abstract
The process of learning mainly depends on the ability to store new information, while the ability to retrieve this information and express appropriate behaviors are also crucial for the adaptation of individuals to environmental cues. Thereby, all three components contribute to the cognitive fitness of an individual. While a lack of behavioral adaptation is a recurrent trait of intellectually disabled patients, discriminating between memory formation, memory retrieval or behavioral expression deficits is not easy to establish. Here, we report some deficits in contextual fear behavior in knockout mice for the intellectual disability gene Il1rapl1. Functional in vivo experiments revealed that the lack of conditioned response resulted from a local inhibitory to excitatory (I/E) imbalance in basolateral amygdala (BLA) consecutive to a loss of excitatory drive onto BLA principal cells by caudal hippocampus axonal projections. A normalization of the fear behavior was obtained in adult mutant mice following opsin-based in vivo synaptic priming of hippocampo-BLA synapses in adult il1rapl1 knockout mice, indicating that synaptic efficacy at hippocampo-BLA projections is crucial for contextual fear memory expression. Importantly, because this restoration was obtained after the learning phase, our results suggest that some of the genetically encoded cognitive deficits in humans may originate from a lack of restitution of genuinely formed memories rather than an exclusive inability to store new memories.
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Affiliation(s)
- Chun-Lei Zhang
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Xander Houbaert
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Marilyn Lepleux
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Melissa Deshors
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France.,Pole In Vivo, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Elisabeth Normand
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France.,Pole In Vivo, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Frédéric Gambino
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Etienne Herzog
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France
| | - Yann Humeau
- Team Synapse in Cognition, Institut Interdisciplinaire de NeuroScience, Centre National de la Recherche Scientifique CNRS UMR5297, Université de Bordeaux, Bordeaux, France. .,UMR5297 Institut Interdisciplinaire de NeuroScience, Centre de Génomique Fonctionnelle, 146 rue Léo Saignat, 33077, Bordeaux Cedex, France.
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Mignon-Ravix C, Cacciagli P, Choucair N, Popovici C, Missirian C, Milh M, Mégarbané A, Busa T, Julia S, Girard N, Badens C, Sigaudy S, Philip N, Villard L. Intragenic rearrangements in X-linked intellectual deficiency: results of a-CGH in a series of 54 patients and identification of TRPC5 and KLHL15 as potential XLID genes. Am J Med Genet A 2014; 164A:1991-7. [PMID: 24817631 DOI: 10.1002/ajmg.a.36602] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 04/03/2014] [Indexed: 01/24/2023]
Abstract
High-resolution array comparative genomic hybridization (a-CGH) enables the detection of intragenic rearrangements, such as single exon deletion or duplication. This approach can lead to the identification of new disease genes. We report on the analysis of 54 male patients presenting with intellectual deficiency (ID) and a family history suggesting X-linked (XL) inheritance or maternal skewed X-chromosome inactivation (XCI), using a home-made X-chromosome-specific microarray covering the whole human X-chromosome at high resolution. The majority of patients had whole genome array-CGH prior to the selection and we did not include large rearrangements such as MECP2 and FMR1 duplications. We identified four rearrangements considered as causative or potentially pathogenic, corresponding to a detection rate of 8%. Two CNVs affected known XLID genes and were therefore considered as causative (IL1RAPL1 and OPHN1 intragenic deletions). Two new CNVs were considered as potentially pathogenic as they affected interesting candidates for ID. The first CNV is a deletion of the first exon of the TRPC5 gene, encoding a cation channel implicated in dendrite growth and patterning, in a child presenting with ID and an autism spectrum disorder (ASD). The second CNV is a partial deletion of KLHL15, in a patient with severe ID, epilepsy, and anomalies of cortical development. In both cases, in spite of strong arguments for clinical relevance, we were not able at this stage to confirm pathogenicity of the mutations, and the causality of the variants identified in XLID remains to be confirmed.
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Affiliation(s)
- Cécile Mignon-Ravix
- Inserm, UMR_S 910, Marseille, France; Aix Marseille Université, GMGF, Marseille, France
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Srivastava AK, Schwartz CE. Intellectual disability and autism spectrum disorders: causal genes and molecular mechanisms. Neurosci Biobehav Rev 2014; 46 Pt 2:161-74. [PMID: 24709068 DOI: 10.1016/j.neubiorev.2014.02.015] [Citation(s) in RCA: 139] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 01/30/2014] [Accepted: 02/12/2014] [Indexed: 12/19/2022]
Abstract
Intellectual disability (ID) and autism spectrum disorder (ASD) are the most common developmental disorders present in humans. Combined, they affect between 3 and 5% of the population. Additionally, they can be found together in the same individual thereby complicating treatment. The causative factors (genes, epigenetic and environmental) are quite varied and likely interact so as to further complicate the assessment of an individual patient. Nonetheless, much valuable information has been gained by identifying candidate genes for ID or ASD. Understanding the etiology of either ID or ASD is of utmost importance for families. It allows a determination of the risk of recurrence, the possibility of other comorbidity medical problems, the molecular and cellular nature of the pathobiology and hopefully potential therapeutic approaches.
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Affiliation(s)
- Anand K Srivastava
- J.C. Self Research Institute, Greenwood Genetic Center, Greenwood, SC, USA
| | - Charles E Schwartz
- J.C. Self Research Institute, Greenwood Genetic Center, Greenwood, SC, USA.
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Identification of risk genes for autism spectrum disorder through copy number variation analysis in Austrian families. Neurogenetics 2014; 15:117-27. [DOI: 10.1007/s10048-014-0394-0] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Accepted: 02/25/2014] [Indexed: 12/13/2022]
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Sala C, Segal M. Dendritic spines: the locus of structural and functional plasticity. Physiol Rev 2014; 94:141-88. [PMID: 24382885 DOI: 10.1152/physrev.00012.2013] [Citation(s) in RCA: 338] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The introduction of high-resolution time lapse imaging and molecular biological tools has changed dramatically the rate of progress towards the understanding of the complex structure-function relations in synapses of central spiny neurons. Standing issues, including the sequence of molecular and structural processes leading to formation, morphological change, and longevity of dendritic spines, as well as the functions of dendritic spines in neurological/psychiatric diseases are being addressed in a growing number of recent studies. There are still unsettled issues with respect to spine formation and plasticity: Are spines formed first, followed by synapse formation, or are synapses formed first, followed by emergence of a spine? What are the immediate and long-lasting changes in spine properties following exposure to plasticity-producing stimulation? Is spine volume/shape indicative of its function? These and other issues are addressed in this review, which highlights the complexity of molecular pathways involved in regulation of spine structure and function, and which contributes to the understanding of central synaptic interactions in health and disease.
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Target-specific vulnerability of excitatory synapses leads to deficits in associative memory in a model of intellectual disorder. J Neurosci 2013; 33:13805-19. [PMID: 23966701 DOI: 10.1523/jneurosci.1457-13.2013] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Intellectual disorders (IDs) have been regularly associated with morphological and functional deficits at glutamatergic synapses in both humans and rodents. How these synaptic deficits may lead to the variety of learning and memory deficits defining ID is still unknown. Here we studied the functional and behavioral consequences of the ID gene il1rapl1 deficiency in mice and reported that il1rapl1 constitutive deletion alters cued fear memory formation. Combined in vivo and in vitro approaches allowed us to unveil a causal relationship between a marked inhibitory/excitatory (I/E) imbalance in dedicated amygdala neuronal subcircuits and behavioral deficits. Cell-targeted recordings further demonstrated a morpho-functional impact of the mutation at thalamic projections contacting principal cells, whereas the same afferents on interneurons are unaffected by the lack of Il1rapl1. We thus propose that excitatory synapses have a heterogeneous vulnerability to il1rapl1 gene constitutive mutation and that alteration of a subset of excitatory synapses in neuronal circuits is sufficient to generate permanent cognitive deficits.
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