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Rose C, Tomas-Grau RH, Zabala B, Michel PP, Brunel JM, Chehín R, Raisman-Vozari R, Ferrié L, Figadère B. C9-Functionalized Doxycycline Analogs as Drug Candidates to Prevent Pathological α-Synuclein Aggregation and Neuroinflammation in Parkinson's Disease Degeneration. ChemMedChem 2024; 19:e202300597. [PMID: 38526011 DOI: 10.1002/cmdc.202300597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 03/05/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
Doxycycline, a semi-synthetic tetracycline, is a widely used antibiotic for treating mild-to-moderate infections, including skin problems. However, its anti-inflammatory and antioxidant properties, combined with its ability to interfere with α-synuclein aggregation, make it an attractive candidate for repositioning in Parkinson's disease. Nevertheless, the antibiotic activity of doxycycline restricts its potential use for long-term treatment of Parkinsonian patients. In the search for non-antibiotic tetracyclines that could operate against Parkinson's disease pathomechanisms, eighteen novel doxycycline derivatives were designed. Specifically, the dimethyl-amino group at C4 was reduced, resulting in limited antimicrobial activity, and several coupling reactions were performed at position C9 of the aromatic D ring, this position being one of the most reactive for introducing substituents. Using the Thioflavin-T assay, we found seven compounds were more effective than doxycycline in inhibiting α-synuclein aggregation. Furthermore, two of these derivatives exhibited better anti-inflammatory effects than doxycycline in a culture system of microglial cells used to model Parkinson's disease neuroinflammatory processes. Overall, through structure-activity relationship studies, we identified two newly designed tetracyclines as promising drug candidates for Parkinson's disease treatment.
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Affiliation(s)
- Clémence Rose
- BioCIS, CNRS, Université Paris-Saclay, 91400, Orsay, France
| | | | - Brenda Zabala
- Paris Brain Institute-ICM, Inserm, Sorbonne Université, CNRS, Hôpital Pitié Salpêtrière, 75013, Paris, France
| | - Patrick Pierre Michel
- Paris Brain Institute-ICM, Inserm, Sorbonne Université, CNRS, Hôpital Pitié Salpêtrière, 75013, Paris, France
| | - Jean-Michel Brunel
- UMR_MD1 Membranes et Cibles Thérapeutiques, U1261 INSERM, Aix-Marseille Université, 13385, Marseille, France
| | - Rosana Chehín
- IMMCA, CONICET-UNT-SIPROSA, Tucumán, 4000, Argentina
| | - Rita Raisman-Vozari
- Paris Brain Institute-ICM, Inserm, Sorbonne Université, CNRS, Hôpital Pitié Salpêtrière, 75013, Paris, France
| | - Laurent Ferrié
- BioCIS, CNRS, Université Paris-Saclay, 91400, Orsay, France
| | - Bruno Figadère
- BioCIS, CNRS, Université Paris-Saclay, 91400, Orsay, France
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2
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Holtz AV, Fink A, Tamgüney G, Doblhammer G. Colonoscopy and Subsequent Risk of Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2024; 14:747-760. [PMID: 38669559 PMCID: PMC11191466 DOI: 10.3233/jpd-240017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/26/2024] [Indexed: 04/28/2024]
Abstract
Background Parkinson's disease (PD) is caused by the misfolding and aggregation of α-synuclein in neurons into toxic oligomers and fibrils that have prion-like properties allowing them to infect healthy neurons and to be transmitted to animal models of PD by injection or oral exposure. Given α-synuclein fibrils' potential transmission on the gut-brain axis, α-synuclein may be transmitted through colonoscopy procedures. Objective This study examines a possible association between colonoscopy and PD. Methods Longitudinal health insurance data of 250,000 individuals aged 50+ from 2004-2019 was analyzed. Cox proportional hazard and competing risk models with death as a competing event were estimated to calculate the risk of PD. Colonoscopy was categorized as never receiving colonoscopy, colorectal cancer (CRC) screening without or with biopsy, destruction or excision (BDE), and diagnostic colonoscopy without or with BDE. Results We identified 6,422 new cases of PD among 221,582 individuals. The Cox model revealed a significantly increased risk of PD for patients who ever had a diagnostic colonoscopy without or with BDE (HR = 1.31; 95% CI: [1.23-1.40]; HR = 1.32 [1.22-1.42]) after adjustment for age and sex. After controlling for covariates and death, persons who ever underwent CRC screening had a 40% reduced risk of PD (CRHR = 0.60 [0.54-0.67]), while persons who underwent diagnostic colonoscopy had a 20% reduced risk of PD (CRHR = 0.81 [0.75-0.88]). Conclusions Colonoscopy does not increase the risk of PD, after adjusting for death and covariates. Individuals who underwent only CRC screening had the lowest risk of PD, which may be a result of a more health-conscious lifestyle.
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Affiliation(s)
- Anna-Victoria Holtz
- German Center for Neurodegenerative Diseases(DZNE), Demographic Studies, Bonn, Germany
- University of Rostock, Institute for Sociology and Demography, Rostock, Germany
| | - Anne Fink
- German Center for Neurodegenerative Diseases(DZNE), Demographic Studies, Bonn, Germany
| | - Gültekin Tamgüney
- Forschungszentrum Jülich, Institute of Biological Information Processing – Structural Biochemistry (IBI-7), Jülich, Germany
- Mathematisch-Naturwissenschaftliche Fakultät, Institut für Physikalische Biologie, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Gabriele Doblhammer
- German Center for Neurodegenerative Diseases(DZNE), Demographic Studies, Bonn, Germany
- University of Rostock, Institute for Sociology and Demography, Rostock, Germany
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Gribaudo S, Bousset L, Courte J, Melki R, Peyrin JM, Perrier AL. Propagation of Distinct α-Synuclein Strains Within Human Reconstructed Neuronal Network and Associated Neuronal Dysfunctions. Methods Mol Biol 2023; 2551:357-378. [PMID: 36310215 DOI: 10.1007/978-1-0716-2597-2_24] [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] [Indexed: 06/16/2023]
Abstract
Aggregated alpha-synuclein (α-Syn) in neurons is a hallmark of Parkinson's disease (PD) and other synucleinopathies. Recent advances (1) in the production and purification of synthetic assemblies of α-Syn, (2) in the design and production of microfluidic devices allowing the construction of oriented and compartmentalized neuronal network on a chip, and (3) in the differentiation of human pluripotent stem cells (hPSCs) into specific neuronal subtypes now allow the study of cellular and molecular determinants of the prion-like properties of α-Syn in vitro. Here, we described the methods we used to reconstruct a cortico-cortical human neuronal network in microfluidic devices and how to take advantage of this cellular model to characterize (1) the prion-like properties of different α-Syn strains and (2) the neuronal dysfunctions and the alterations associated with the exposure to α-Syn strains or the nucleation of endogenous α-Syn protein in vitro.
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Affiliation(s)
- Simona Gribaudo
- Université Paris-Saclay, INSERM, I-Stem, AFM, Corbeil-Essonnes, France
- INSERM UMR-S 1270, 75005, Paris, France
- Sorbonne Université, F75005, Paris, France
- Institut du Fer à Moulin, F75005, Paris, France
| | - Luc Bousset
- Université Paris-Saclay, CEA, CNRS, MIRCen, Laboratoire des Maladies Neurodégénératives, Fontenay-aux-Roses, France
| | - Josquin Courte
- Sorbonne Université, Faculté des Sciences et Technologie, CNRS UMR 8246, INSERM U1130, Neurosciences Paris Seine, Institut de Biologie Paris Seine, Paris, France
- Sorbonne Université, CNRS UMR 168, Physico Chimie Curie, Institut Pierre-Gilles de Gennes, Paris, France
| | - Ronald Melki
- Université Paris-Saclay, CEA, CNRS, MIRCen, Laboratoire des Maladies Neurodégénératives, Fontenay-aux-Roses, France.
| | - Jean-Michel Peyrin
- Sorbonne Université, Faculté des Sciences et Technologie, CNRS UMR 8246, INSERM U1130, Neurosciences Paris Seine, Institut de Biologie Paris Seine, Paris, France.
| | - Anselme L Perrier
- Université Paris-Saclay, INSERM, I-Stem, AFM, Corbeil-Essonnes, France.
- Université Paris-Saclay, CEA, CNRS, MIRCen, Laboratoire des Maladies Neurodégénératives, Fontenay-aux-Roses, France.
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4
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Negrini M, Tomasello G, Davidsson M, Fenyi A, Adant C, Hauser S, Espa E, Gubinelli F, Manfredsson FP, Melki R, Heuer A. Sequential or Simultaneous Injection of Preformed Fibrils and AAV Overexpression of Alpha-Synuclein Are Equipotent in Producing Relevant Pathology and Behavioral Deficits. JOURNAL OF PARKINSON'S DISEASE 2022; 12:1133-1153. [PMID: 35213388 PMCID: PMC9198765 DOI: 10.3233/jpd-212555] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 02/04/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND Preclinical rodent models for Parkinson's disease (PD) based on viral human alpha-synuclein (h-αSyn) overexpression recapitulate some of the pathological hallmarks as it presents in humans, such as progressive cell loss and additional synucleinopathy in cortical and subcortical structures. Recent studies have combined viral vector-based overexpression of human wild-type αSyn with the sequential or simultaneous inoculation of preformed fibrils (PFFs) derived from human αSyn. OBJECTIVE The goal of the study was to investigate whether sequential or combined delivery of the AAV vector and the PFFs are equipotent in inducing stable neurodegeneration and behavioral deficits. METHODS Here we compare between four experimental paradigms (PFFs only, AAV-h-αSyn only, AAV-h-αSyn with simultaneous PFFs, and AAV-h-αSyn with sequential PFFs) and their respective GFP control groups. RESULTS We observed reduction of TH expression and loss of neurons in the midbrain in all AAV (h-αSyn or GFP) injected groups, with or without additional PFFs inoculation. The overexpression of either h-αSyn or GFP alone induced motor deficits and dysfunctional dopamine release/reuptake in electrochemical recordings in the ipsilateral striatum. However, we observed a substantial formation of insoluble h-αSyn aggregates and inflammatory response only when h-αSyn and PFFs were combined. Moreover, the presence of h-αSyn induced higher axonal pathology compared to control groups. CONCLUSION Simultaneous AAV and PFFs injections are equipotent in the presented experimental setup in inducing histopathological and behavioral changes. This model provides new and interesting possibilities for characterizing PD pathology in preclinical models and means to assess future therapeutic interventions.
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Affiliation(s)
- Matilde Negrini
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Giuseppe Tomasello
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Marcus Davidsson
- Department of Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ, USA
- Molecular Neuromodulation, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Alexis Fenyi
- Institut Francois Jacob (MIRCen), CEA and Laboratory of Neurodegenerative Diseases, CNRS, Fontenay-aux-Roses, France
| | - Cécile Adant
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Swantje Hauser
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Elena Espa
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Francesco Gubinelli
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
| | - Fredric P. Manfredsson
- Department of Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Ronald Melki
- Institut Francois Jacob (MIRCen), CEA and Laboratory of Neurodegenerative Diseases, CNRS, Fontenay-aux-Roses, France
| | - Andreas Heuer
- Behavioural Neuroscience Laboratory, Department of Experimental Medical Sciences, Lund University, Lund, Sweden
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5
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Fernandes AR, Dujardin S, Maté de Gérando A, Hyman BT, Frosch MP. Impact of Sterilization Methods on the Seeding Ability of Human Tau Proteopathic Seeds. J Neuropathol Exp Neurol 2021; 80:912-921. [PMID: 34498073 DOI: 10.1093/jnen/nlab087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The protein tau, when misfolded in neurodegenerative diseases, has several prion-like properties including being able to spread by cell-to-cell transfer, induce templated seeding, and exist in distinct conformational strains. These properties of transmission may present health hazards when lesion-containing biospecimens are used in research and neuropathology laboratories. We evaluated the impact standard sterilization and cleaning methods have on the capacity of tau seeds to induce aggregation. We employed a previously developed, highly sensitive FRET-based biosensor assay to assess remnant tau seeding after exposure to these procedures. For tau species derived from human Alzheimer disease tissue (brain homogenate and sarkosyl-insoluble fibrils), both autoclaving and incubation in 90.6% formic acid were sufficient to reduce tau bioactivity. By contrast, boiling was not always effective in completely blocking bioactivity in the seeding assay. Notably, only formic acid incubation was able to produce a similar reduction in tissue from a P301L mutant tau mouse model of tauopathy. Our study highlights nuances in methods for inactivation of tau seeding which may support adapted tissue processing procedures, especially in research settings. These findings also highlight the importance of universal precautions when handling human neuropathological and research laboratory materials.
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Affiliation(s)
- Analiese R Fernandes
- From the Department of Neurology, Massachusetts General Hospital, Charlestown, Massachusetts, USA
| | - Simon Dujardin
- From the Department of Neurology, Massachusetts General Hospital, Charlestown, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA (SD, AMdG, BTH, MPF)
| | - Anastasie Maté de Gérando
- From the Department of Neurology, Massachusetts General Hospital, Charlestown, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA (SD, AMdG, BTH, MPF)
| | - Bradley T Hyman
- From the Department of Neurology, Massachusetts General Hospital, Charlestown, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA (SD, AMdG, BTH, MPF).,C.S. Kubik Laboratory for Neuropathology, Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Matthew P Frosch
- From the Department of Neurology, Massachusetts General Hospital, Charlestown, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA (SD, AMdG, BTH, MPF).,C.S. Kubik Laboratory for Neuropathology, Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
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6
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Yamaguchi K, Hasuo K, So M, Ikenaka K, Mochizuki H, Goto Y. Strong acids induce amyloid fibril formation of β 2-microglobulin via an anion-binding mechanism. J Biol Chem 2021; 297:101286. [PMID: 34626645 PMCID: PMC8564678 DOI: 10.1016/j.jbc.2021.101286] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 10/01/2021] [Accepted: 10/05/2021] [Indexed: 11/28/2022] Open
Abstract
Amyloid fibrils, crystal-like fibrillar aggregates of proteins associated with various amyloidoses, have the potential to propagate via a prion-like mechanism. Among known methodologies to dissolve preformed amyloid fibrils, acid treatment has been used with the expectation that the acids will degrade amyloid fibrils similar to acid inactivation of protein functions. Contrary to our expectation, treatment with strong acids, such as HCl or H2SO4, of β2-microglobulin (β2m) or insulin actually promoted amyloid fibril formation, proportionally to the concentration of acid used. A similar promotion was observed at pH 2.0 upon the addition of salts, such as NaCl or Na2SO4. Although trichloroacetic acid, another strong acid, promoted amyloid fibril formation of β2m, formic acid, a weak acid, did not, suggesting the dominant role of anions in promoting fibril formation of this protein. Comparison of the effects of acids and salts confirmed the critical role of anions, indicating that strong acids likely induce amyloid fibril formation via an anion-binding mechanism. The results suggest that although the addition of strong acids decreases pH, it is not useful for degrading amyloid fibrils, but rather induces or stabilizes amyloid fibrils via an anion-binding mechanism.
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Affiliation(s)
- Keiichi Yamaguchi
- Global Center for Medical Engineering and Informatics, Osaka University, Suita, Osaka, Japan; Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Kenshiro Hasuo
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Masatomo So
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Kensuke Ikenaka
- Department of Neurology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Hideki Mochizuki
- Department of Neurology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Yuji Goto
- Global Center for Medical Engineering and Informatics, Osaka University, Suita, Osaka, Japan; Institute for Protein Research, Osaka University, Suita, Osaka, Japan.
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7
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Salladini E, Gondelaud F, Nilsson JF, Pesce G, Bignon C, Murrali MG, Fabre R, Pierattelli R, Kajava AV, Horvat B, Gerlier D, Mathieu C, Longhi S. Identification of a Region in the Common Amino-terminal Domain of Hendra Virus P, V, and W Proteins Responsible for Phase Transition and Amyloid Formation. Biomolecules 2021; 11:1324. [PMID: 34572537 PMCID: PMC8471210 DOI: 10.3390/biom11091324] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/30/2021] [Accepted: 09/01/2021] [Indexed: 12/14/2022] Open
Abstract
Henipaviruses are BSL-4 zoonotic pathogens responsible in humans for severe encephalitis. Their V protein is a key player in the evasion of the host innate immune response. We previously showed that the Henipavirus V proteins consist of a long intrinsically disordered N-terminal domain (NTD) and a β-enriched C-terminal domain (CTD). These terminals are critical for V binding to DDB1, which is a cellular protein that is a component of the ubiquitin ligase E3 complex, as well as binding to MDA5 and LGP2, which are two host sensors of viral RNA. Here, we serendipitously discovered that the Hendra virus V protein undergoes a liquid-to-hydrogel phase transition and identified the V region responsible for this phenomenon. This region, referred to as PNT3 and encompassing residues 200-310, was further investigated using a combination of biophysical and structural approaches. Congo red binding assays, together with negative-staining transmisison electron microscopy (TEM) studies, show that PNT3 forms amyloid-like fibrils. Fibrillation abilities are dramatically reduced in a rationally designed PNT3 variant in which a stretch of three contiguous tyrosines, falling within an amyloidogenic motif, were replaced by three alanines. Worthy to note, Congo red staining experiments provided hints that these amyloid-like fibrils form not only in vitro but also in cellula after transfection or infection. The present results set the stage for further investigations aimed at assessing the functional role of phase separation and fibrillation by the Henipavirus V proteins.
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Affiliation(s)
- Edoardo Salladini
- Laboratory Architecture et Fonction des Macromolécules Biologiques (AFMB), UMR 7257, Centre National de la Recherche Scientifique (CNRS), Aix Marseille University, CEDEX 9, 13288 Marseille, France; (E.S.); (F.G.); (J.F.N.); (G.P.); (C.B.)
| | - Frank Gondelaud
- Laboratory Architecture et Fonction des Macromolécules Biologiques (AFMB), UMR 7257, Centre National de la Recherche Scientifique (CNRS), Aix Marseille University, CEDEX 9, 13288 Marseille, France; (E.S.); (F.G.); (J.F.N.); (G.P.); (C.B.)
| | - Juliet F. Nilsson
- Laboratory Architecture et Fonction des Macromolécules Biologiques (AFMB), UMR 7257, Centre National de la Recherche Scientifique (CNRS), Aix Marseille University, CEDEX 9, 13288 Marseille, France; (E.S.); (F.G.); (J.F.N.); (G.P.); (C.B.)
| | - Giulia Pesce
- Laboratory Architecture et Fonction des Macromolécules Biologiques (AFMB), UMR 7257, Centre National de la Recherche Scientifique (CNRS), Aix Marseille University, CEDEX 9, 13288 Marseille, France; (E.S.); (F.G.); (J.F.N.); (G.P.); (C.B.)
| | - Christophe Bignon
- Laboratory Architecture et Fonction des Macromolécules Biologiques (AFMB), UMR 7257, Centre National de la Recherche Scientifique (CNRS), Aix Marseille University, CEDEX 9, 13288 Marseille, France; (E.S.); (F.G.); (J.F.N.); (G.P.); (C.B.)
| | - Maria Grazia Murrali
- Magnetic Resonance Center (CERM) and Department of Chemistry “Ugo Schiff”, University of Florence, 50019 Sesto Fiorentino, Italy; (M.G.M.); (R.P.)
| | - Roxane Fabre
- Centre d’Immunologie de Marseille-Luminy (CIML), CNRS, Institut National de la Santé et de la Recherche Médicale (INSERM), Aix Marseille University, CEDEX 9, 13288 Marseille, France;
| | - Roberta Pierattelli
- Magnetic Resonance Center (CERM) and Department of Chemistry “Ugo Schiff”, University of Florence, 50019 Sesto Fiorentino, Italy; (M.G.M.); (R.P.)
| | - Andrey V. Kajava
- Centre de Recherche en Biologie Cellulaire de Montpellier, UMR 5237, CNRS, Université Montpellier, 34293 Montpellier, France;
| | - Branka Horvat
- Team Immunobiology of the Viral Infections, Centre International de Recherche en Infectiologie (CIRI), Université de Lyon, INSERM, U1111, CNRS, UMR 5308, Université Claude Bernard Lyon 1, Ecole Normale Supérieure de Lyon, 69007 Lyon, France; (B.H.); (D.G.); (C.M.)
| | - Denis Gerlier
- Team Immunobiology of the Viral Infections, Centre International de Recherche en Infectiologie (CIRI), Université de Lyon, INSERM, U1111, CNRS, UMR 5308, Université Claude Bernard Lyon 1, Ecole Normale Supérieure de Lyon, 69007 Lyon, France; (B.H.); (D.G.); (C.M.)
| | - Cyrille Mathieu
- Team Immunobiology of the Viral Infections, Centre International de Recherche en Infectiologie (CIRI), Université de Lyon, INSERM, U1111, CNRS, UMR 5308, Université Claude Bernard Lyon 1, Ecole Normale Supérieure de Lyon, 69007 Lyon, France; (B.H.); (D.G.); (C.M.)
| | - Sonia Longhi
- Laboratory Architecture et Fonction des Macromolécules Biologiques (AFMB), UMR 7257, Centre National de la Recherche Scientifique (CNRS), Aix Marseille University, CEDEX 9, 13288 Marseille, France; (E.S.); (F.G.); (J.F.N.); (G.P.); (C.B.)
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8
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Asher DM, Belay E, Bigio E, Brandner S, Brubaker SA, Caughey B, Clark B, Damon I, Diamond M, Freund M, Hyman BT, Jucker M, Keene CD, Lieberman AP, Mackiewicz M, Montine TJ, Morgello S, Phelps C, Safar J, Schneider JA, Schonberger LB, Sigurdson C, Silverberg N, Trojanowski JQ, Frosch MP. Risk of Transmissibility From Neurodegenerative Disease-Associated Proteins: Experimental Knowns and Unknowns. J Neuropathol Exp Neurol 2021; 79:1141-1146. [PMID: 33000167 PMCID: PMC7577514 DOI: 10.1093/jnen/nlaa109] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Recent studies in animal models demonstrate that certain misfolded proteins associated with neurodegenerative diseases can support templated misfolding of cognate native proteins, to propagate across neural systems, and to therefore have some of the properties of classical prion diseases like Creutzfeldt-Jakob disease. The National Institute of Aging convened a meeting to discuss the implications of these observations for research priorities. A summary of the discussion is presented here, with a focus on limitations of current knowledge, highlighting areas that appear to require further investigation in order to guide scientific practice while minimizing potential exposure or risk in the laboratory setting. The committee concluded that, based on all currently available data, although neurodegenerative disease-associated aggregates of several different non-prion proteins can be propagated from humans to experimental animals, there is currently insufficient evidence to suggest more than a negligible risk, if any, of a direct infectious etiology for the human neurodegenerative disorders defined in part by these proteins. Given the importance of this question, the potential for noninvasive human transmission of proteopathic disorders is deserving of further investigation.
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Affiliation(s)
- David M Asher
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Ermias Belay
- Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Eileen Bigio
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Sebastian Brandner
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology Queen Square, London
| | - Scott A Brubaker
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Byron Caughey
- Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National Institute for Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana
| | - Brychan Clark
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Inger Damon
- Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Marc Diamond
- Center for Alzheimer's and Neurodegenerative Diseases, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Michelle Freund
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
| | - Bradley T Hyman
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Mathias Jucker
- Hertie Institute for Clinical Brain Research, University of Tübingen and German Center for Neurodegenerative Diseases (DZNE), Tübingen
| | - C Dirk Keene
- Department of Pathology, University of Washington, Seattle, Washington
| | - Andrew P Lieberman
- Department of Pathology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Miroslaw Mackiewicz
- National Institute on Aging, National Institutes of Health, Bethesda, Maryland
| | - Thomas J Montine
- Department of Pathology, Stanford University, Stanford, California
| | - Susan Morgello
- Departments of Neurology, Neuroscience, and Pathology, The Icahn School of Medicine at Mount Sinai, New York, New York
| | - Creighton Phelps
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland
| | - Jiri Safar
- Departments of Pathology and Neurology, Case Western Reserve University, Cleveland, Ohio
| | - Julie A Schneider
- Department of Neurological Sciences, Rush Alzheimer Disease Center, Rush University Medical Center, Chicago, Illinois
| | - Lawrence B Schonberger
- Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Christina Sigurdson
- Department of Pathology, University of California - San Diego, San Diego, California
| | - Nina Silverberg
- National Institute on Aging, National Institutes of Health, Bethesda, Maryland
| | - John Q Trojanowski
- Department of Pathology and Laboratory Medicine, Institute on Aging and Center for Neurodegenerative Disease Research, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Matthew P Frosch
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Pathology, University of Washington, Seattle, Washington.,C.S. Kubik Laboratory for Neuropathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
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Padilla-Zambrano HS, García-Ballestas E, Quiñones-Ossa GA, Sibaja-Perez AE, Agrawal A, Moscote-Salazar LR, Menéndez-González M. The Prion-like Properties of Amyloid-beta Peptide and Tau: Is there Any Risk of Transmitting Alzheimer's Disease During Neurosurgical Interventions? Curr Alzheimer Res 2021; 17:781-789. [PMID: 33280597 DOI: 10.2174/1567205017666201204164220] [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: 05/12/2020] [Revised: 10/10/2020] [Accepted: 10/13/2020] [Indexed: 11/22/2022]
Abstract
Recent studies have recognized similarities between the peptides involved in the neuropathology of Alzheimer's disease and prions. The Tau protein and the Amyloid β peptide represent the theoretical pillars of Alzheimer's disease development. It is probable that there is a shared mechanism for the transmission of these substances and the prion diseases development; this presumption is based on the presentation of several cases of individuals without risk factors who developed dementia decades after a neurosurgical procedure. This article aims to present the role of Aβ and Tau, which underlie the pathophysiologic mechanisms involved in the AD and their similarities with the prion diseases infective mechanisms by means of the presentation of the available evidence at molecular (in-vitro), animal, and human levels that support the controversy on whether these diseases might be transmitted in neurosurgical interventions, which may constitute a wide public health issue.
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Affiliation(s)
- Huber S Padilla-Zambrano
- Center for Biomedical Research (CIB), Faculty of Medicine, University of Cartagena, Cartagena, Colombia
| | - Ezequiel García-Ballestas
- Center for Biomedical Research (CIB), Faculty of Medicine, University of Cartagena, Cartagena, Colombia
| | | | - Andrés E Sibaja-Perez
- Center for Biomedical Research (CIB), Faculty of Medicine, University of Cartagena, Cartagena, Colombia
| | - Amit Agrawal
- Department of Neurosurgery, Narayana Medical College, Nellore, Andhra Pradesh, India
| | - Luis R Moscote-Salazar
- Neurosurgeon-Critical Care, Center for Biomedical Research (CIB), Faculty of Medicine, University of Cartagena, Cartagena de Indias, Bolivar, Colombia
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Seeding Propensity and Characteristics of Pathogenic αSyn Assemblies in Formalin-Fixed Human Tissue from the Enteric Nervous System, Olfactory Bulb, and Brainstem in Cases Staged for Parkinson's Disease. Cells 2021; 10:cells10010139. [PMID: 33445653 PMCID: PMC7828121 DOI: 10.3390/cells10010139] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 01/03/2023] Open
Abstract
We investigated α-synuclein's (αSyn) seeding activity in tissue from the brain and enteric nervous system. Specifically, we assessed the seeding propensity of pathogenic αSyn in formalin-fixed tissue from the gastric cardia and five brain regions of 29 individuals (12 Parkinson's disease, 8 incidental Lewy body disease, 9 controls) using a protein misfolding cyclic amplification assay. The structural characteristics of the resultant αSyn assemblies were determined by limited proteolysis and transmission electron microscopy. We show that fixed tissue from Parkinson's disease (PD) and incidental Lewy body disease (ILBD) seeds the aggregation of monomeric αSyn into fibrillar assemblies. Significant variations in the characteristics of fibrillar assemblies derived from different regions even within the same individual were observed. This finding suggests that fixation stabilizes seeds with an otherwise limited seeding propensity, that yield assemblies with different intrinsic structures (i.e., strains). The lag phase preceding fibril assembly for patients ≥80 was significantly shorter than in other age groups, suggesting the existence of increased numbers of seeds or a higher seeding potential of pathogenic αSyn with time. Seeding activity did not diminish in late-stage disease. No statistically significant difference in the seeding efficiency of specific regions was found, nor was there a relationship between seeding efficiency and the load of pathogenic αSyn in a particular region at a given neuropathological stage.
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The structural differences between patient-derived α-synuclein strains dictate characteristics of Parkinson's disease, multiple system atrophy and dementia with Lewy bodies. Acta Neuropathol 2020; 139:977-1000. [PMID: 32356200 PMCID: PMC7244622 DOI: 10.1007/s00401-020-02157-3] [Citation(s) in RCA: 140] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 04/07/2020] [Accepted: 04/07/2020] [Indexed: 12/23/2022]
Abstract
Synucleinopathies, such as Parkinson’s disease (PD), multiple system atrophy (MSA), and dementia with Lewy bodies (DLB), are defined by the presence of α-synuclein (αSYN) aggregates throughout the nervous system but diverge from one another with regard to their clinical and pathological phenotype. The recent generation of pure fibrillar αSYN polymorphs with noticeable differences in structural and phenotypic traits has led to the hypothesis that different αSYN strains may be in part responsible for the heterogeneous nature of synucleinopathies. To further characterize distinct αSYN strains in the human brain, and establish a structure-pathology relationship, we pursued a detailed comparison of αSYN assemblies derived from well-stratified patients with distinct synucleinopathies. We exploited the capacity of αSYN aggregates found in the brain of patients suffering from PD, MSA or DLB to seed and template monomeric human αSYN in vitro via a protein misfolding cyclic amplification assay. A careful comparison of the properties of total brain homogenates and pure in vitro amplified αSYN fibrillar assemblies upon inoculation in cells and in the rat brain demonstrates that the intrinsic structure of αSYN fibrils dictates synucleinopathies characteristics. We report that MSA strains show several similarities with PD strains, but are significantly more potent in inducing motor deficits, nigrostriatal neurodegeneration, αSYN pathology, spreading, and inflammation, reflecting the aggressive nature of this disease. In contrast, DLB strains display no or only very modest neuropathological features under our experimental conditions. Collectively, our data demonstrate a specific signature for PD, MSA, and DLB-derived strains that differs from previously described recombinant strains, with MSA strains provoking the most aggressive phenotype and more similarities with PD compared to DLB strains.
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12
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The expression level of alpha-synuclein in different neuronal populations is the primary determinant of its prion-like seeding. Sci Rep 2020; 10:4895. [PMID: 32184415 PMCID: PMC7078319 DOI: 10.1038/s41598-020-61757-x] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 02/25/2020] [Indexed: 11/08/2022] Open
Abstract
Alpha-synuclein (aSyn)-rich aggregates propagate in neuronal networks and compromise cellular homeostasis leading to synucleinopathies such as Parkinson's disease. Aggregated aSyn spread follows a conserved spatio-temporal pattern that is not solely dependent on connectivity. Hence, the differential tropism of aSyn-rich aggregates to distinct brain regions, or their ability to amplify within those regions, must contribute to this process. To better understand what underlies aSyn-rich aggregates distribution within the brain, we generated primary neuronal cultures from various brain regions of wild-type mice and mice expressing a reduced level of aSyn, and exposed them to fibrillar aSyn. We then assessed exogenous fibrillar aSyn uptake, endogenous aSyn seeding, and endogenous aSyn physiological expression levels. Despite a similar uptake of exogenous fibrils by neuronal cells from distinct brain regions, the seeded aggregation of endogenous aSyn differed greatly from one neuronal population to another. The different susceptibility of neuronal populations was linked to their aSyn expression level. Our data establish that endogenous aSyn expression level plays a key role in fibrillar aSyn prion-like seeding, supporting that endogenous aSyn expression level participates in selective regional brain vulnerability.
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Rey NL, Bousset L, George S, Madaj Z, Meyerdirk L, Schulz E, Steiner JA, Melki R, Brundin P. α-Synuclein conformational strains spread, seed and target neuronal cells differentially after injection into the olfactory bulb. Acta Neuropathol Commun 2019; 7:221. [PMID: 31888771 PMCID: PMC6937797 DOI: 10.1186/s40478-019-0859-3] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 11/25/2019] [Indexed: 12/12/2022] Open
Abstract
Alpha-synuclein inclusions, the hallmarks of synucleinopathies, are suggested to spread along neuronal connections in a stereotypical pattern in the brains of patients. Ample evidence now supports that pathological forms of alpha-synuclein propagate in cell culture models and in vivo in a prion-like manner. However, it is still not known why the same pathological protein targets different cell populations, propagates with different kinetics and leads to a variety of diseases (synucleinopathies) with distinct clinical features. The aggregation of the protein alpha-synuclein yields different conformational polymorphs called strains. These strains exhibit distinct biochemical, physical and structural features they are able to imprint to newly recruited alpha-synuclein. This had led to the view that the clinical heterogeneity observed in synucleinopathies might be due to distinct pathological alpha-synuclein strains.To investigate the pathological effects of alpha-synuclein strains in vivo, we injected five different pure strains we generated de novo (fibrils, ribbons, fibrils-65, fibrils-91, fibrils-110) into the olfactory bulb of wild-type female mice. We demonstrate that they seed and propagate pathology throughout the olfactory network within the brain to different extents. We show strain-dependent inclusions formation in neurites or cell bodies. We detect thioflavin S-positive inclusions indicating the presence of mature amyloid aggregates.In conclusion, alpha-synuclein strains seed the aggregation of their cellular counterparts to different extents and spread differentially within the central nervous system yielding distinct propagation patterns. We provide here the proof-of-concept that the conformation adopted by alpha-synuclein assemblies determines their ability to amplify and propagate in the brain in vivo. Our observations support the view that alpha-synuclein polymorphs may underlie different propagation patterns within human brains.
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Affiliation(s)
- Nolwen L Rey
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA.
- Institut François Jacob (MIRCen), CEA and Laboratory of Neurodegenerative diseases, UMR 9199 CNRS, 18 route du Panorama, 92265, Fontenay-aux-Roses, France.
| | - Luc Bousset
- Institut François Jacob (MIRCen), CEA and Laboratory of Neurodegenerative diseases, UMR 9199 CNRS, 18 route du Panorama, 92265, Fontenay-aux-Roses, France
| | - Sonia George
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA
| | - Zachary Madaj
- Bioinformatics and Biostatistics Core, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA
| | - Lindsay Meyerdirk
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA
| | - Emily Schulz
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA
| | - Jennifer A Steiner
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA
| | - Ronald Melki
- Institut François Jacob (MIRCen), CEA and Laboratory of Neurodegenerative diseases, UMR 9199 CNRS, 18 route du Panorama, 92265, Fontenay-aux-Roses, France
| | - Patrik Brundin
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue N.E, Grand Rapids, MI, 49503, USA
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Derkinderen P. Could it be that neurodegenerative diseases are infectious? Rev Neurol (Paris) 2019; 175:427-430. [PMID: 31358351 DOI: 10.1016/j.neurol.2019.07.003] [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: 05/09/2019] [Revised: 07/10/2019] [Accepted: 07/18/2019] [Indexed: 10/26/2022]
Abstract
The cell-to-cell transmission of the major pathogenic proteins of Parkinson's disease and Alzheimer's disease is reminiscent of the prion protein, which is defined as a proteinaceous infectious particle that causes human and animal transmissible spongiform encephalopathies. The possibility has raised that the pathogenic proteins of Parkinson's and Alzheimer's disease are infectious, i.e. that they can transmit disease from human to human. In this review, we address this question by comparing the similarities and differences between Alzheimer's disease/Parkinson's disease pathological proteins and prions and by discussing the possible consequences for disease transmission risk.
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Affiliation(s)
- P Derkinderen
- Department of Neurology, CHU de Nantes, boulevard Jacques-Monod, 44093 Nantes, France.
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De Sousa PA, Ritchie D, Green A, Chandran S, Knight R, Head MW. Renewed assessment of the risk of emergent advanced cell therapies to transmit neuroproteinopathies. Acta Neuropathol 2019; 137:363-377. [PMID: 30483944 PMCID: PMC6514076 DOI: 10.1007/s00401-018-1941-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/13/2018] [Accepted: 11/18/2018] [Indexed: 12/18/2022]
Abstract
The inadvertent transmission of long incubating, untreatable and fatal neurodegenerative prionopathies, notably iatrogenic Creutzfeldt–Jakob disease, following transplantation of cadaver-derived corneas, pituitary growth, hormones and dura mater, constitutes a historical precedent which has underpinned the application of precautionary principles to modern day advanced cell therapies. To date these have been reflected by geographic or medical history risk-based deferral of tissue donors. Emergent understanding of other prion-like proteinopathies, their potential independence from prions as a transmissible agent and the variable capability of scalably manufacturable stem cells and derivatives to take up and clear or to propagate prions, substantiate further commitment to qualifying neurodegenerative proteinopathy transmission risks. This is especially so for those involving direct or facilitated access to a recipient’s brain or connected visual or nervous system such as for the treatment of stroke, retinal and adult onset neurodegenerative diseases, treatments for which have already commenced. In this review, we assess the prospective global dissemination of advanced cell therapies founded on transplantation or exposure to allogeneic human cells, recap lessons learned from the historical precedents of CJD transmission and review recent advances and current limits in understanding of prion and other neurodegenerative disease prion-like susceptibility and transmission. From these we propose grounds for a reassessment of the risks of emergent advanced cell therapies to transmit neuroproteinopathies and suggestions to ACT developers and regulators for risk mitigation and extension of criteria for deferrals.
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