1
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Ganguly A, Padhan DK, Sengupta A, Chakraborty P, Sen M. CCN6 influences transcription and controls mitochondrial mass and muscle organization. FASEB J 2023; 37:e22815. [PMID: 36794678 DOI: 10.1096/fj.202201533r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/23/2023] [Accepted: 01/30/2023] [Indexed: 02/17/2023]
Abstract
Mutations in Cellular Communication Network Factor 6 (CCN6) are linked to the debilitating musculoskeletal disease Progressive Pseudo Rheumatoid Dysplasia (PPRD), which disrupts mobility. Yet, much remains unknown about CCN6 function at the molecular level. In this study, we revealed a new function of CCN6 in transcriptional regulation. We demonstrated that CCN6 localizes to chromatin and associates with RNA Polymerase II in human chondrocyte lines. Using zebrafish as a model organism we validated the nuclear presence of CCN6 and its association with RNA Polymerase II in different developmental stages from 10 hpf embryo to adult fish muscle. In concurrence with these findings, we confirmed the requirement of CCN6 in the transcription of several genes encoding mitochondrial electron transport complex proteins in the zebrafish, both in the embryonic stages and in the adult muscle. Reduction in the expression of these genes upon morpholino-mediated knockdown of CCN6 protein expression led to reduced mitochondrial mass, which correlated with defective myotome organization during zebrafish muscle development. Overall, this study suggests that the developmental musculoskeletal abnormalities linked with PPRD could be contributed at least partly by impaired expression of genes encoding mitochondrial electron transport complexes due to defects in CCN6 associated transcriptional regulation.
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Affiliation(s)
- Ananya Ganguly
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Deepesh Kumar Padhan
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Archya Sengupta
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Pritam Chakraborty
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India.,Biochemistry and Molecular Biology, Southern Illinois University, USA
| | - Malini Sen
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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2
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Sengupta A, Padhan DK, Ganguly A, Sen M. Ccn6 Is Required for Mitochondrial Integrity and Skeletal Muscle Function in Zebrafish. Front Cell Dev Biol 2021; 9:627409. [PMID: 33644064 PMCID: PMC7905066 DOI: 10.3389/fcell.2021.627409] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 01/05/2021] [Indexed: 11/21/2022] Open
Abstract
Mutations in the CCN6 (WISP3) gene are linked with a debilitating musculoskeletal disorder, termed progressive pseudorheumatoid dysplasia (PPRD). Yet, the functional significance of CCN6 in the musculoskeletal system remains unclear. Using zebrafish as a model organism, we demonstrated that zebrafish Ccn6 is present partly as a component of mitochondrial respiratory complexes in the skeletal muscle of zebrafish. Morpholino-mediated depletion of Ccn6 in the skeletal muscle leads to a significant reduction in mitochondrial respiratory complex assembly and activity, which correlates with loss of muscle mitochondrial abundance. These mitochondrial deficiencies are associated with notable architectural and functional anomalies in the zebrafish muscle. Taken together, our results indicate that Ccn6-mediated regulation of mitochondrial respiratory complex assembly/activity and mitochondrial integrity is important for the maintenance of skeletal muscle structure and function in zebrafish. Furthermore, this study suggests that defects related to mitochondrial respiratory complex assembly/activity and integrity could be an underlying cause of muscle weakness and a failed musculoskeletal system in PPRD.
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Affiliation(s)
- Archya Sengupta
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Deepesh Kumar Padhan
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Ananya Ganguly
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Malini Sen
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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3
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Padhan DK, Sengupta A, Patra M, Ganguly A, Mahata SK, Sen M. CCN6 regulates mitochondrial respiratory complex assembly and activity. FASEB J 2020; 34:12163-12176. [PMID: 32686858 DOI: 10.1096/fj.202000405rr] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/26/2020] [Accepted: 06/29/2020] [Indexed: 12/29/2022]
Abstract
Cellular communication network factor 6 (CCN6) mutations are linked with Progressive Pseudo Rheumatoid Dysplasia (PPRD) a debilitating musculoskeletal disorder. The function of CCN6 and the mechanism of PPRD pathogenesis remain unclear. Accordingly, we focused on the functional characterization of CCN6 and CCN6 mutants. Using size exclusion chromatography and native polyacrylamide gel electrophoresis we demonstrated that CCN6 is present as a component of the mitochondrial respiratory complex in human chondrocyte lines. By means of siRNA-mediated transfection and electron microscopy we showed that moderate reduction in CCN6 expression decreases the RER- mitochondria inter-membrane distance. Parallel native PAGE, immunoblotting and Complex I activity assays furthermore revealed increase in both mitochondrial distribution of CCN6 and mitochondrial respiratory complex assembly/activity in CCN6 depleted cells. CCN6 mutants resembling those linked with PPRD, which were generated by CRISPR-Cas9 technology displayed low level of expression of mutant CCN6 protein and inhibited respiratory complex assembly/activity. Electron microscopy and MTT assay of the mutants revealed abnormal mitochondria and poor cell viability. Taken together, our results indicate that CCN6 regulates mitochondrial respiratory complex assembly/activity as part of the mitochondrial respiratory complex by controlling the proximity of RER with the mitochondria, and CCN6 mutations disrupt mitochondrial respiratory complex assembly/activity resulting in mitochondrial defects and poor cell viability.
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Affiliation(s)
- Deepesh Kumar Padhan
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Archya Sengupta
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Milan Patra
- Hadassah Medical School, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ananya Ganguly
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Sushil Kumar Mahata
- VA San Diego Healthcare System, University of California, San Diego, CA, USA
| | - Malini Sen
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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4
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Dafsari HS, Kawalia A, Sprute R, Karakaya M, Malenica A, Herkenrath P, Nürnberg P, Motameny S, Thiele H, Cirak S. Novel mutations in SLC6A5 with benign course in hyperekplexia. Cold Spring Harb Mol Case Stud 2019; 5:mcs.a004465. [PMID: 31604777 PMCID: PMC6913151 DOI: 10.1101/mcs.a004465] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 09/23/2019] [Indexed: 01/01/2023] Open
Abstract
Infants suffering from life-threatening apnea, stridor, cyanosis, and increased muscle tone may often be misdiagnosed with infantile seizures and inappropriately treated because of lack and delay in genetic diagnosis. Here, we report a patient with increased muscle tone after birth and hypertonic attacks with life-threatening apnea but no epileptiform patterns in EEG recordings. We identified novel compound heterozygous variants in SLC6A5 (NM_004211.4:c.[1429T > C];[1430delC]) by trio whole-exome sequencing, containing a base deletion inherited by the asymptomatic mother leading to a frameshift (c.1430delC, p.Ser477PhefsTer9) and a de novo base exchange leading to an amino acid change (c.1429T > C, p.Ser477Pro). To date, there are four known disease-associated genes for primary hyperekplexia, all of which are involved in the functioning of glycinergic synapses. SLC6A5 encodes the sodium- and chloride-dependent glycine transporter 2 (GlyT2), which recaptures glycine, a major inhibitory transmitter in the brainstem and spinal cord. The diagnosis altered the patient's medical care to his benefit because SLC6A5 mutations with rather benign courses of hyperekplexia may be spared of needless pharmacotherapy. Symptoms eventually decreased in frequency until about once in 2 mo at 2 yr age. We present the first report of halting hyperekplexia episodes by maternal soothing in multiple instances. We highlight the importance of clarifying the genetic diagnosis by rapid next-generation sequencing techniques in this group of infantile apneic attacks with hyperekplexia due to the broad differential diagnoses.
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Affiliation(s)
- Hormos Salimi Dafsari
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany.,Center for Molecular Medicine (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany
| | - Amit Kawalia
- Cologne Center for Genomics (CCG), Faculty of Medicine, University of Cologne, Cologne 50931, Germany
| | - Rosanne Sprute
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany.,Center for Molecular Medicine (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany
| | - Mert Karakaya
- Center for Molecular Medicine (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany.,Institute of Human Genetics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany
| | - Anna Malenica
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany.,Center for Molecular Medicine (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany
| | - Peter Herkenrath
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany
| | - Peter Nürnberg
- Cologne Center for Genomics (CCG), Faculty of Medicine, University of Cologne, Cologne 50931, Germany
| | - Susanne Motameny
- Cologne Center for Genomics (CCG), Faculty of Medicine, University of Cologne, Cologne 50931, Germany
| | - Holger Thiele
- Cologne Center for Genomics (CCG), Faculty of Medicine, University of Cologne, Cologne 50931, Germany
| | - Sebahattin Cirak
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany.,Center for Molecular Medicine (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany.,Center for Rare Diseases, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne 50931, Germany
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5
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Pergande M, Motameny S, Özdemir Ö, Kreutzer M, Wang H, Daimagüler HS, Becker K, Karakaya M, Ehrhardt H, Elcioglu N, Ostojic S, Chao CM, Kawalia A, Duman Ö, Koy A, Hahn A, Reimann J, Schoner K, Schänzer A, Westhoff JH, Schwaibold EMC, Cossee M, Imbert-Bouteille M, von Pein H, Haliloglu G, Topaloglu H, Altmüller J, Nürnberg P, Thiele H, Heller R, Cirak S. The genomic and clinical landscape of fetal akinesia. Genet Med 2019; 22:511-523. [PMID: 31680123 DOI: 10.1038/s41436-019-0680-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 10/01/2019] [Indexed: 01/01/2023] Open
Abstract
PURPOSE Fetal akinesia has multiple clinical subtypes with over 160 gene associations, but the genetic etiology is not yet completely understood. METHODS In this study, 51 patients from 47 unrelated families were analyzed using next-generation sequencing (NGS) techniques aiming to decipher the genomic landscape of fetal akinesia (FA). RESULTS We have identified likely pathogenic gene variants in 37 cases and report 41 novel variants. Additionally, we report putative pathogenic variants in eight cases including nine novel variants. Our work identified 14 novel disease-gene associations for fetal akinesia: ADSSL1, ASAH1, ASPM, ATP2B3, EARS2, FBLN1, PRG4, PRICKLE1, ROR2, SETBP1, SCN5A, SCN8A, and ZEB2. Furthermore, a sibling pair harbored a homozygous copy-number variant in TNNT1, an ultrarare congenital myopathy gene that has been linked to arthrogryposis via Gene Ontology analysis. CONCLUSION Our analysis indicates that genetic defects leading to primary skeletal muscle diseases might have been underdiagnosed, especially pathogenic variants in RYR1. We discuss three novel putative fetal akinesia genes: GCN1, IQSEC3 and RYR3. Of those, IQSEC3, and RYR3 had been proposed as neuromuscular disease-associated genes recently, and our findings endorse them as FA candidate genes. By combining NGS with deep clinical phenotyping, we achieved a 73% success rate of solved cases.
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Affiliation(s)
- Matthias Pergande
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Susanne Motameny
- University of Cologne, Cologne Center for Genomics CCG, Cologne, Germany
| | - Özkan Özdemir
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Mona Kreutzer
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Haicui Wang
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Hülya-Sevcan Daimagüler
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Kerstin Becker
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Mert Karakaya
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, University Hospital Cologne, Institute of Human Genetics, Cologne, Germany
| | - Harald Ehrhardt
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Gießen, Germany
| | - Nursel Elcioglu
- Department of Pediatric Genetics, Marmara University Medical School, Istanbul, Turkey.,Eastern Mediterranean University Medical School, Mersin, Turkey
| | - Slavica Ostojic
- Department of Neurology, Mother and Child Health Care Institute of Serbia "Dr. Vukan Cupic", Belgrade, Serbia
| | - Cho-Ming Chao
- Department of General Pediatrics and Neonatology, Justus-Liebig-University, Gießen, Germany
| | - Amit Kawalia
- University of Cologne, Cologne Center for Genomics CCG, Cologne, Germany
| | - Özgür Duman
- Department of Pediatric Neurology, Akdeniz University Hospital, Antalya, Turkey
| | - Anne Koy
- University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany
| | - Andreas Hahn
- Department of Pediatric Neurology, Social Pediatrics and Epileptology, Justus-Liebig-University, Gießen, Germany
| | - Jens Reimann
- Department of Neurology, Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Katharina Schoner
- Institute of Pathology, Philipps University of Marburg, Marburg, Germany
| | - Anne Schänzer
- Institute of Neuropathology, Justus-Liebig-University, Gießen, Germany
| | - Jens H Westhoff
- Heidelberg University, University Children's Hospital Heidelberg, Department of Pediatrics, Heidelberg, Germany
| | | | - Mireille Cossee
- University of Montpellier, University Hospital of Montpellier, Molecular Diagnostic Laboratory, Montpellier, France
| | - Marion Imbert-Bouteille
- University of Montpellier, University Hospital of Montpellier, Medical Genetics Department, Montpellier, France
| | - Harald von Pein
- Johannes-Gutenberg University Mainz, University Medical Center Mainz, Institute of Neuropathology, Mainz, Germany
| | - Göknur Haliloglu
- Hacettepe University, Children's Hospital, Department of Pediatric Neurology, Ankara, Turkey
| | - Haluk Topaloglu
- Hacettepe University, Children's Hospital, Department of Pediatric Neurology, Ankara, Turkey
| | - Janine Altmüller
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, Cologne Center for Genomics CCG, Cologne, Germany
| | - Peter Nürnberg
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.,University of Cologne, Cologne Center for Genomics CCG, Cologne, Germany
| | - Holger Thiele
- University of Cologne, Cologne Center for Genomics CCG, Cologne, Germany
| | - Raoul Heller
- University of Cologne, University Hospital Cologne, Institute of Human Genetics, Cologne, Germany.,Genetic Health Service NZ-Northern Hub, Auckland City Hospital, Auckland, New Zealand.,University of Cologne, Center for Rare Diseases Cologne (ZSEK), Cologne, Germany
| | - Sebahattin Cirak
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany. .,University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany. .,University of Cologne, Center for Rare Diseases Cologne (ZSEK), Cologne, Germany.
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6
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Karsak M, Glebov K, Scheffold M, Bajaj T, Kawalia A, Karaca I, Rading S, Kornhuber J, Peters O, Diez-Fairen M, Frölich L, Hüll M, Wiltfang J, Scherer M, Riedel-Heller S, Schneider A, Heneka MT, Fliessbach K, Sharaf A, Thiele H, Lennarz M, Jessen F, Maier W, Kubisch C, Ignatova Z, Nürnberg P, Pastor P, Walter J, Ramirez A. A rare heterozygous TREM2 coding variant identified in familial clustering of dementia affects an intrinsically disordered protein region and function of TREM2. Hum Mutat 2019; 41:169-181. [PMID: 31464095 DOI: 10.1002/humu.23904] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 08/12/2019] [Accepted: 08/25/2019] [Indexed: 11/11/2022]
Abstract
Rare coding variants in the triggering receptor expressed on myeloid cells-2 (TREM2) gene have been associated with Alzheimer disease (AD) and homozygous TREM2 loss-of-function variants have been reported in families with monogenic frontotemporal-like dementia with/without bone abnormalities. In a whole-exome sequencing study of a family with probable AD-type dementia without pathogenic variants in known autosomal dominant dementia disease genes and negative for the apolipoprotein E (APOE) ε4 allele, we identified an extremely rare TREM2 coding variant, that is, a glycine-to-tryptophan substitution at amino acid position 145 (NM_018965.3:c.433G>T/p.[Gly145Trp]). This alteration is found in only 1 of 251,150 control alleles in gnomAD. It was present in both severely affected as well as in another putatively affected and one 61 years old as yet unaffected family member suggesting incomplete penetrance and/or a variable age of onset. Gly145 maps to an intrinsically disordered region (IDR) of TREM2 between the immunoglobulin-like and transmembrane domain. Subsequent cellular studies showed that the variant led to IDR shortening and structural changes of the mutant protein resulting in an impairment of cellular responses upon receptor activation. Our results, suggest that a p.(Gly145Trp)-induced structural disturbance and functional impairment of TREM2 may contribute to the pathogenesis of an AD-like form of dementia.
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Affiliation(s)
- Meliha Karsak
- Center for Molecular Neurobiology (ZMNH), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | | | - Marina Scheffold
- Center for Molecular Neurobiology (ZMNH), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany.,Institute of Pharmacology and Toxicology, University of Ulm, Ulm, Germany
| | - Thomas Bajaj
- Division of Neurogenetics and Molecular Psychiatry, Department of Psychiatry and Psychotherapy, Medical Faculty, University of Cologne, Cologne, Germany
| | - Amit Kawalia
- Division of Neurogenetics and Molecular Psychiatry, Department of Psychiatry and Psychotherapy, Medical Faculty, University of Cologne, Cologne, Germany
| | - Ilker Karaca
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University of Bonn, Bonn, Germany
| | - Sebastian Rading
- Center for Molecular Neurobiology (ZMNH), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Oliver Peters
- Department of Psychiatry, Charité University Medicine, Berlin, Germany
| | - Monica Diez-Fairen
- Department of Neurology, Memory and Movement Disorders Units, University Hospital Mutua de Terrassa, Terrassa, Barcelona, Spain.,Fundació Docència i Recerca Mútua Terrassa, University Hospital Mútua de Terrassa, Terrassa, Barcelona, Spain
| | - Lutz Frölich
- Department of Geriatric Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Michael Hüll
- Center for Psychiatry, Clinic for Geriatric Psychiatry and Psychotherapy Emmendingen and Department of Psychiatry and Psychotherapy, University of Freiburg, Freiburg, Germany
| | - Jens Wiltfang
- Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Göttingen, Germany.,German Center for Neurodegenerative Diseases (DZNE), Göttingen, Germany
| | - Martin Scherer
- Department of Primary Medical Care, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Steffi Riedel-Heller
- Institute of Social Medicine, Occupational Health and Public Health, University of Leipzig, Leipzig, Germany
| | - Anja Schneider
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University of Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Michael T Heneka
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University of Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts
| | - Klaus Fliessbach
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University of Bonn, Bonn, Germany
| | - Ahmed Sharaf
- Center for Molecular Neurobiology (ZMNH), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Holger Thiele
- Cologne Center for Genomics (CCG), University of Cologne, Cologne, Germany
| | - Martina Lennarz
- Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
| | - Frank Jessen
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Department of Psychiatry and Psychotherapy, Medical Faculty, University of Cologne, Cologne, Germany
| | - Wolfgang Maier
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University of Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Christian Kubisch
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Zoya Ignatova
- Institute for Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany
| | - Peter Nürnberg
- Cologne Center for Genomics (CCG), University of Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Pau Pastor
- Department of Neurology, Memory and Movement Disorders Units, University Hospital Mutua de Terrassa, Terrassa, Barcelona, Spain.,Fundació Docència i Recerca Mútua Terrassa, University Hospital Mútua de Terrassa, Terrassa, Barcelona, Spain
| | - Jochen Walter
- Department of Neurology, University of Bonn, Bonn, Germany
| | - Alfredo Ramirez
- Division of Neurogenetics and Molecular Psychiatry, Department of Psychiatry and Psychotherapy, Medical Faculty, University of Cologne, Cologne, Germany.,Department of Neurodegenerative Diseases and Geriatric Psychiatry, University of Bonn, Bonn, Germany
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