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Prakasam R, Bonadiman A, Andreotti R, Zuccaro E, Dalfovo D, Marchioretti C, Tripathy D, Petris G, Anderson EN, Migazzi A, Tosatto L, Cereseto A, Battaglioli E, Sorarù G, Lim WF, Rinaldi C, Sambataro F, Pourshafie N, Grunseich C, Romanel A, Pandey UB, Contestabile A, Ronzitti G, Basso M, Pennuto M. LSD1/PRMT6-targeting gene therapy to attenuate androgen receptor toxic gain-of-function ameliorates spinobulbar muscular atrophy phenotypes in flies and mice. Nat Commun 2023; 14:603. [PMID: 36746939 PMCID: PMC9902531 DOI: 10.1038/s41467-023-36186-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 01/19/2023] [Indexed: 02/08/2023] Open
Abstract
Spinobulbar muscular atrophy (SBMA) is caused by CAG expansions in the androgen receptor gene. Androgen binding to polyQ-expanded androgen receptor triggers SBMA through a combination of toxic gain-of-function and loss-of-function mechanisms. Leveraging cell lines, mice, and patient-derived specimens, we show that androgen receptor co-regulators lysine-specific demethylase 1 (LSD1) and protein arginine methyltransferase 6 (PRMT6) are overexpressed in an androgen-dependent manner specifically in the skeletal muscle of SBMA patients and mice. LSD1 and PRMT6 cooperatively and synergistically transactivate androgen receptor, and their effect is enhanced by expanded polyQ. Pharmacological and genetic silencing of LSD1 and PRMT6 attenuates polyQ-expanded androgen receptor transactivation in SBMA cells and suppresses toxicity in SBMA flies, and a preclinical approach based on miRNA-mediated silencing of LSD1 and PRMT6 attenuates disease manifestations in SBMA mice. These observations suggest that targeting overexpressed co-regulators can attenuate androgen receptor toxic gain-of-function without exacerbating loss-of-function, highlighting a potential therapeutic strategy for patients with SBMA.
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Affiliation(s)
- Ramachandran Prakasam
- Dulbecco Telethon Institute at the Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Angela Bonadiman
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Roberta Andreotti
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
- Padova Neuroscience Center, Padova, Italy
| | - Emanuela Zuccaro
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
- Padova Neuroscience Center, Padova, Italy
| | - Davide Dalfovo
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Caterina Marchioretti
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
- Padova Neuroscience Center, Padova, Italy
| | - Debasmita Tripathy
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Gianluca Petris
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
- Medical Research Council Laboratory of Molecular Biology, Cambridge, UK
- Wellcome Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Saffron Walden, UK
| | - Eric N Anderson
- Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Alice Migazzi
- Dulbecco Telethon Institute at the Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Laura Tosatto
- Dulbecco Telethon Institute at the Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Anna Cereseto
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Elena Battaglioli
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Gianni Sorarù
- Padova Neuroscience Center, Padova, Italy
- Department of Neuroscience, University of Padova, Padova, Italy
| | - Wooi Fang Lim
- MDUK Oxford Neuromuscular Centre, University of Oxford, Oxford, UK
- Institute of Developmental and Regenerative Medicine, Department of Paediatrics, University of Oxford, Oxford, UK
| | - Carlo Rinaldi
- MDUK Oxford Neuromuscular Centre, University of Oxford, Oxford, UK
- Institute of Developmental and Regenerative Medicine, Department of Paediatrics, University of Oxford, Oxford, UK
| | - Fabio Sambataro
- Padova Neuroscience Center, Padova, Italy
- Department of Neuroscience, University of Padova, Padova, Italy
| | - Naemeh Pourshafie
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Christopher Grunseich
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Alessandro Romanel
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Udai Bhan Pandey
- Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | | | - Giuseppe Ronzitti
- Université Paris-Saclay, Univ Evry, Inserm, Genethon, Evry, France
- Genethon, 91000, Evry, France
| | - Manuela Basso
- Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy.
| | - Maria Pennuto
- Dulbecco Telethon Institute at the Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy.
- Department of Biomedical Sciences, University of Padova, Padova, Italy.
- Veneto Institute of Molecular Medicine, Padova, Italy.
- Padova Neuroscience Center, Padova, Italy.
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2
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Pasetto L, Grassano M, Pozzi S, Luotti S, Sammali E, Migazzi A, Basso M, Spagnolli G, Biasini E, Micotti E, Cerovic M, Carli M, Forloni G, De Marco G, Manera U, Moglia C, Mora G, Traynor BJ, Chiò A, Calvo A, Bonetto V. Defective cyclophilin A induces TDP-43 proteinopathy: implications for amyotrophic lateral sclerosis and frontotemporal dementia. Brain 2021; 144:3710-3726. [PMID: 34972208 PMCID: PMC8719849 DOI: 10.1093/brain/awab333] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/23/2021] [Accepted: 08/01/2021] [Indexed: 11/20/2022] Open
Abstract
Aggregation and cytoplasmic mislocalization of TDP-43 are pathological hallmarks of amyotrophic lateral sclerosis and frontotemporal dementia spectrum. However, the molecular mechanism by which TDP-43 aggregates form and cause neurodegeneration remains poorly understood. Cyclophilin A, also known as peptidyl-prolyl cis-trans isomerase A (PPIA), is a foldase and molecular chaperone. We previously found that PPIA interacts with TDP-43 and governs some of its functions, and its deficiency accelerates disease in a mouse model of amyotrophic lateral sclerosis. Here we characterized PPIA knock-out mice throughout their lifespan and found that they develop a neurodegenerative disease with key behavioural features of frontotemporal dementia, marked TDP-43 pathology and late-onset motor dysfunction. In the mouse brain, deficient PPIA induces mislocalization and aggregation of the GTP-binding nuclear protein Ran, a PPIA interactor and a master regulator of nucleocytoplasmic transport, also for TDP-43. Moreover, in absence of PPIA, TDP-43 autoregulation is perturbed and TDP-43 and proteins involved in synaptic function are downregulated, leading to impairment of synaptic plasticity. Finally, we found that PPIA was downregulated in several patients with amyotrophic lateral sclerosis and amyotrophic lateral sclerosis-frontotemporal dementia, and identified a PPIA loss-of-function mutation in a patient with sporadic amyotrophic lateral sclerosis . The mutant PPIA has low stability, altered structure and impaired interaction with TDP-43. These findings strongly implicate that defective PPIA function causes TDP-43 mislocalization and dysfunction and should be considered in future therapeutic approaches.
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Affiliation(s)
- Laura Pasetto
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Maurizio Grassano
- 'Rita Levi Montalcini' Department of Neuroscience, University of Torino, Torino, Italy
| | - Silvia Pozzi
- CERVO Brain Research Centre, Québec City, Québec, Canada
| | - Silvia Luotti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Eliana Sammali
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Alice Migazzi
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Manuela Basso
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy.,Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Giovanni Spagnolli
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy.,Dulbecco Telethon Institute, University of Trento, Trento, Italy
| | - Emiliano Biasini
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy.,Dulbecco Telethon Institute, University of Trento, Trento, Italy
| | - Edoardo Micotti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Milica Cerovic
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Mirjana Carli
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Gianluigi Forloni
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
| | - Giovanni De Marco
- 'Rita Levi Montalcini' Department of Neuroscience, University of Torino, Torino, Italy
| | - Umberto Manera
- 'Rita Levi Montalcini' Department of Neuroscience, University of Torino, Torino, Italy
| | - Cristina Moglia
- 'Rita Levi Montalcini' Department of Neuroscience, University of Torino, Torino, Italy
| | - Gabriele Mora
- Department of Neurorehabilitation, ICS Maugeri IRCCS, Milano, Italy
| | - Bryan J Traynor
- Neuromuscular Diseases Research Section, Laboratory of Neurogenetics, National Institute on Aging, NIH, Bethesda, MD 20892, USA.,Department of Neurology, Johns Hopkins University Medical Center, Baltimore, MD 21287, USA.,Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Adriano Chiò
- 'Rita Levi Montalcini' Department of Neuroscience, University of Torino, Torino, Italy
| | - Andrea Calvo
- 'Rita Levi Montalcini' Department of Neuroscience, University of Torino, Torino, Italy
| | - Valentina Bonetto
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milano, Italy
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3
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Marsili L, Sharma J, Espay AJ, Migazzi A, Abdelghany E, Hill EJ, Duque KR, Hagen MC, Stephen CD, Kovacs GG, Lang AE, Hadjivassiliou M, Basso M, Kauffman MA, Sturchio A. Neither a Novel Tau Proteinopathy nor an Expansion of a Phenotype: Reappraising Clinicopathology-Based Nosology. Int J Mol Sci 2021; 22:ijms22147292. [PMID: 34298918 PMCID: PMC8329925 DOI: 10.3390/ijms22147292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 01/10/2023] Open
Abstract
The gold standard for classification of neurodegenerative diseases is postmortem histopathology; however, the diagnostic odyssey of this case challenges such a clinicopathologic model. We evaluated a 60-year-old woman with a 7-year history of a progressive dystonia–ataxia syndrome with supranuclear gaze palsy, suspected to represent Niemann–Pick disease Type C. Postmortem evaluation unexpectedly demonstrated neurodegeneration with 4-repeat tau deposition in a distribution diagnostic of progressive supranuclear palsy (PSP). Whole-exome sequencing revealed a new heterozygous variant in TGM6, associated with spinocerebellar ataxia type 35 (SCA35). This novel TGM6 variant reduced transglutaminase activity in vitro, suggesting it was pathogenic. This case could be interpreted as expanding: (1) the PSP phenotype to include a spinocerebellar variant; (2) SCA35 as a tau proteinopathy; or (3) TGM6 as a novel genetic variant underlying a SCA35 phenotype with PSP pathology. None of these interpretations seem adequate. We instead hypothesize that impairment in the crosslinking of tau by the TGM6-encoded transglutaminase enzyme may compromise tau functionally and structurally, leading to its aggregation in a pattern currently classified as PSP. The lessons from this case study encourage a reassessment of our clinicopathology-based nosology.
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Affiliation(s)
- Luca Marsili
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
- Correspondence: ; Tel.: +1-(513)558-4050
| | - Jennifer Sharma
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
| | - Alberto J. Espay
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
| | - Alice Migazzi
- Laboratory of Transcriptional Neurobiology, Department of Cellular, Computational and Integrative Biology—CIBIO, University of Trento, 38123 Trento, Italy; (A.M.); (M.B.)
| | - Elhusseini Abdelghany
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
| | - Emily J. Hill
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
| | - Kevin R. Duque
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
| | - Matthew C. Hagen
- Department of Pathology, University of Cincinnati, Cincinnati, OH 45219, USA;
| | - Christopher D. Stephen
- Ataxia Center, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA;
| | - Gabor G. Kovacs
- Tanz Centre for Research in Neurodegenerative Disease (CRND), Department of Laboratory Medicine and Pathobiology, University of Toronto, 60 Leonard Ave, Krembil Discovery Tower, Toronto, ON M5T 0S8, Canada;
- Laboratory Medicine Program and Krembil Brain Institute, University Health Network, Toronto, ON M5T 1M8, Canada
- Edmond J. Safra Program in Parkinson’s Disease, Rossy Progressive Supranuclear Palsy Program and the Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, University of Toronto, Toronto, ON M5T 2S8, Canada;
| | - Anthony E. Lang
- Edmond J. Safra Program in Parkinson’s Disease, Rossy Progressive Supranuclear Palsy Program and the Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, University of Toronto, Toronto, ON M5T 2S8, Canada;
| | - Marios Hadjivassiliou
- Academic Department of Neurosciences, Royal Hallamshire Hospital, University of Sheffield, Sheffield S10 2JF, UK;
| | - Manuela Basso
- Laboratory of Transcriptional Neurobiology, Department of Cellular, Computational and Integrative Biology—CIBIO, University of Trento, 38123 Trento, Italy; (A.M.); (M.B.)
| | - Marcelo A. Kauffman
- Consultorio y Laboratorio de Neurogenética, Centro Universitario de Neurología José María Ramos Mejía, Buenos Aires C1221ADC, Argentina;
| | - Andrea Sturchio
- Gardner Family Center for Parkinson’s Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH 45219, USA; (J.S.); (A.J.E.); (E.A.); (E.J.H.); (K.R.D.); (A.S.)
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4
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Manini A, Bocci T, Migazzi A, Monfrini E, Ronchi D, Franco G, De Rosa A, Sartucci F, Priori A, Corti S, Comi GP, Bresolin N, Basso M, Di Fonzo A. A case report of late-onset cerebellar ataxia associated with a rare p.R342W TGM6 (SCA35) mutation. BMC Neurol 2020; 20:408. [PMID: 33160304 PMCID: PMC7648302 DOI: 10.1186/s12883-020-01964-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 10/16/2020] [Indexed: 12/01/2022] Open
Abstract
Background Mutations in TGM6 gene, encoding for transglutaminase 6 (TG6), have been implicated in the pathogenesis of spinocerebellar ataxia type 35 (SCA35), a rare autosomal dominant disease marked by cerebellar degeneration and characterized by postural instability, incoordination of gait, features of cerebellar dysfunction and pyramidal signs. Case presentation Here we report the case of an Italian patient with late-onset, slowly progressive cerebellar features, including gait ataxia, scanning speech and ocular dysmetria and pyramidal tract signs. Whole exome sequencing revealed the rare heterozygous c.1024C > T (p.R342W) variant of TGM6, located at a highly evolutionary conserved position and predicted as pathogenic by in silico tools. Expression of TG6-R342W mutant in HEK293T cells led to a significant reduction of transamidase activity compared to wild-type TG6. Conclusion This finding extends SCA35 genetic landscape, highlighting the importance of TGM6 screening in undiagnosed late-onset and slowly progressive cerebellar ataxias. Supplementary Information The online version contains supplementary material available at 10.1186/s12883-020-01964-1.
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Affiliation(s)
- Arianna Manini
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy.,"Luigi Sacco" Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy
| | - Tommaso Bocci
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan and ASST Santi Paolo e Carlo, Milan, Italy
| | - Alice Migazzi
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, Italy
| | - Edoardo Monfrini
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy
| | - Dario Ronchi
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy
| | - Giulia Franco
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy
| | - Anna De Rosa
- Department of Clinical and Experimental Medicine, Unit of Neurology, Pisa University Medical School, Pisa, Italy
| | - Ferdinando Sartucci
- Department of Clinical and Experimental Medicine, Unit of Neurology, Pisa University Medical School, Pisa, Italy
| | - Alberto Priori
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan and ASST Santi Paolo e Carlo, Milan, Italy
| | - Stefania Corti
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy
| | - Giacomo Pietro Comi
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy
| | - Nereo Bresolin
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy
| | - Manuela Basso
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, Italy
| | - Alessio Di Fonzo
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy.
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5
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Tripathy D, Migazzi A, Costa F, Roncador A, Gatto P, Fusco F, Boeri L, Albani D, Juárez-Hernández JL, Musio C, Colombo L, Salmona M, Wilhelmus MMM, Drukarch B, Pennuto M, Basso M. Increased transcription of transglutaminase 1 mediates neuronal death in in vitro models of neuronal stress and Aβ1-42-mediated toxicity. Neurobiol Dis 2020; 140:104849. [PMID: 32222473 DOI: 10.1016/j.nbd.2020.104849] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/01/2020] [Accepted: 03/24/2020] [Indexed: 12/18/2022] Open
Abstract
Alzheimer's disease (AD) is the most common cause of dementia. At the pre-symptomatic phase of the disease, the processing of the amyloid precursor protein (APP) produces toxic peptides, called amyloid-β 1-42 (Aβ 1-42). The downstream effects of Aβ 1-42 production are not completely uncovered. Here, we report the involvement of transglutaminase 1 (TG1) in in vitro AD models of neuronal toxicity. TG1 was increased at late stages of the disease in the hippocampus of a mouse model of AD and in primary cortical neurons undergoing stress. Silencing of TGM1 gene was sufficient to prevent Aβ-mediated neuronal death. Conversely, its overexpression enhanced cell death. TGM1 upregulation was mediated at the transcriptional level by an activator protein 1 (AP1) binding site that when mutated halted TGM1 promoter activation. These results indicate that TG1 acts downstream of Aβ-toxicity, and that its stress-dependent increase makes it suitable for pharmacological intervention.
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Affiliation(s)
- Debasmita Tripathy
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, TN, Italy
| | - Alice Migazzi
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, TN, Italy
| | - Federica Costa
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, TN, Italy
| | - Alessandro Roncador
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, TN, Italy
| | - Pamela Gatto
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, TN, Italy
| | - Federica Fusco
- Department of Neuroscience, Laboratory of Genetics of Neurodegenerative Disorders, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - Lucia Boeri
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
| | - Diego Albani
- Department of Neuroscience, Laboratory of Genetics of Neurodegenerative Disorders, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - J Leon Juárez-Hernández
- Institute of Biophysics, Trento Unit, National Research Council (IBF-CNR), Bruno Kessler Foundation (FBK), LabSSAH, Via alla Cascata 56/C, 38123 Trento, Italy
| | - Carlo Musio
- Institute of Biophysics, Trento Unit, National Research Council (IBF-CNR), Bruno Kessler Foundation (FBK), LabSSAH, Via alla Cascata 56/C, 38123 Trento, Italy
| | - Laura Colombo
- Department of Molecular Biochemistry and Pharmacology, Laboratory of Biochemistry and Protein Chemistry, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - Mario Salmona
- Department of Molecular Biochemistry and Pharmacology, Laboratory of Biochemistry and Protein Chemistry, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - M M Micha Wilhelmus
- VU University Medical Center, Neuroscience Campus Amsterdam, Department of Anatomy and Neurosciences, Amsterdam, the Netherlands
| | - Benjamin Drukarch
- VU University Medical Center, Neuroscience Campus Amsterdam, Department of Anatomy and Neurosciences, Amsterdam, the Netherlands
| | - Maria Pennuto
- Dulbecco Telethon Institute Lab of Neurodegenerative Diseases, Centre for Integrative Biology (CIBIO), University of Trento, Italy; Department of Biomedical sciences, via Ugo Bassi 58/B, University of Padova, 35131 Padova, Italy; Padova Neuroscience Center, 35100 Padova, Italy
| | - Manuela Basso
- Department of Cellular, Computational and Integrative Biology - CIBIO, University of Trento, Trento, TN, Italy.
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