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Ondrejcak T, Klyubin I, Hu NW, Yang Y, Zhang Q, Rodriguez BJ, Rowan MJ. Rapidly reversible persistent long-term potentiation inhibition by patient-derived brain tau and amyloid ß proteins. Philos Trans R Soc Lond B Biol Sci 2024; 379:20230234. [PMID: 38853565 PMCID: PMC11343230 DOI: 10.1098/rstb.2023.0234] [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: 10/20/2023] [Revised: 12/19/2023] [Accepted: 12/23/2023] [Indexed: 06/11/2024] Open
Abstract
How the two pathognomonic proteins of Alzheimer's disease (AD); amyloid ß (Aß) and tau, cause synaptic failure remains enigmatic. Certain synthetic and recombinant forms of these proteins are known to act concurrently to acutely inhibit long-term potentiation (LTP). Here, we examined the effect of early amyloidosis on the acute disruptive action of synaptotoxic tau prepared from recombinant protein and tau in patient-derived aqueous brain extracts. We also explored the persistence of the inhibition of LTP by different synaptotoxic tau preparations. A single intracerebral injection of aggregates of recombinant human tau that had been prepared by either sonication of fibrils (SτAs) or disulfide bond formation (oTau) rapidly and persistently inhibited LTP in rat hippocampus. The threshold for the acute inhibitory effect of oTau was lowered in amyloid precursor protein (APP)-transgenic rats. A single injection of synaptotoxic tau-containing AD or Pick's disease brain extracts also inhibited LTP, for over two weeks. Remarkably, the persistent disruption of synaptic plasticity by patient-derived brain tau was rapidly reversed by a single intracerebral injection of different anti-tau monoclonal antibodies, including one directed to a specific human tau amino acid sequence. We conclude that patient-derived LTP-disrupting tau species persist in the brain for weeks, maintaining their neuroactivity often in concert with Aß. This article is part of a discussion meeting issue 'Long-term potentiation: 50 years on'.
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Affiliation(s)
- Tomas Ondrejcak
- Department of Pharmacology and Therapeutics, School of Medicine, and Institute of Neuroscience, Trinity College, Dublin 2, Republic of Ireland
| | - Igor Klyubin
- Department of Pharmacology and Therapeutics, School of Medicine, and Institute of Neuroscience, Trinity College, Dublin 2, Republic of Ireland
| | - Neng-Wei Hu
- Department of Pharmacology and Therapeutics, School of Medicine, and Institute of Neuroscience, Trinity College, Dublin 2, Republic of Ireland
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, 100 Science Avenue, Zhengzhou450001, People's Republic of China
| | - Yin Yang
- Department of Pharmacology and Therapeutics, School of Medicine, and Institute of Neuroscience, Trinity College, Dublin 2, Republic of Ireland
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, 100 Science Avenue, Zhengzhou450001, People's Republic of China
| | - Qiancheng Zhang
- School of Physics and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Republic of Ireland
| | - Brian J. Rodriguez
- School of Physics and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Republic of Ireland
| | - Michael J. Rowan
- Department of Pharmacology and Therapeutics, School of Medicine, and Institute of Neuroscience, Trinity College, Dublin 2, Republic of Ireland
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2
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Wesenhagen KEJ, de Leeuw DM, Tomassen J, Gobom J, Bos I, Vos SJB, Martinez-Lage P, Tainta M, Popp J, Peyratout G, Tsolaki M, Vandenberghe R, Freund-Levi Y, Verhey F, Lovestone S, Streffer J, Dobricic V, Blennow K, Scheltens P, Smit AB, Bertram L, Teunissen CE, Zetterberg H, Tijms BM. Synaptic protein CSF levels relate to memory scores in individuals without dementia. RESEARCH SQUARE 2024:rs.3.rs-4607202. [PMID: 39108495 PMCID: PMC11302699 DOI: 10.21203/rs.3.rs-4607202/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/12/2024]
Abstract
INTRODUCTION We investigated how cerebrospinal fluid levels of synaptic proteins associate with memory function in normal cognition (CN) and mild cognitive impairment (MCI), and investigated the effect of amyloid positivity on these associations. METHODS We included 242 CN (105(43%) abnormal amyloid), and 278 MCI individuals (183(66%) abnormal amyloid) from EMIF-AD MBD and ADNI. For 181 (EMIF-AD MBD) and 36 (ADNI) proteins with a synaptic annotation in SynGO, associations with word learning recall were analysed with linear models. RESULTS Subsets of synaptic proteins showed lower levels with worse recall in preclinical AD (EMIF-AD MBD: 7, ADNI: 5 proteins, none overlapping), prodromal AD (EMIF-AD MBD only, 27 proteins) and non-AD MCI (EMIF-AD MBD: 1, ADNI: 7 proteins). The majority of these associations were specific to these groups. DISCUSSION Synaptic disturbance-related memory impairment occurred very early in AD, indicating it may be relevant to develop therapies targeting the synapse early in the disease.
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Affiliation(s)
| | | | - Jori Tomassen
- Alzheimer Center Amsterdam, Vrije Universiteit Amsterdam, Amsterdam UMC
| | | | - Isabelle Bos
- Alzheimer Center Amsterdam, Vrije Universiteit Amsterdam, Amsterdam UMC
| | | | | | | | | | | | - Magda Tsolaki
- AHEPA University Hospital, Aristotle University of Thessaloniki
| | | | | | | | | | | | | | | | - Philip Scheltens
- Alzheimer Center Amsterdam, Vrije Universiteit Amsterdam, Amsterdam UMC
| | | | | | | | | | - Betty M Tijms
- Alzheimer Center Amsterdam, Vrije Universiteit Amsterdam, Amsterdam UMC
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3
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Pereira MF, Shyti R, Testa G. In and out: Benchmarking in vitro, in vivo, ex vivo, and xenografting approaches for an integrative brain disease modeling pipeline. Stem Cell Reports 2024; 19:767-795. [PMID: 38865969 DOI: 10.1016/j.stemcr.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 05/09/2024] [Accepted: 05/11/2024] [Indexed: 06/14/2024] Open
Abstract
Human cellular models and their neuronal derivatives have afforded unprecedented advances in elucidating pathogenic mechanisms of neuropsychiatric diseases. Notwithstanding their indispensable contribution, animal models remain the benchmark in neurobiological research. In an attempt to harness the best of both worlds, researchers have increasingly relied on human/animal chimeras by xenografting human cells into the animal brain. Despite the unparalleled potential of xenografting approaches in the study of the human brain, literature resources that systematically examine their significance and advantages are surprisingly lacking. We fill this gap by providing a comprehensive account of brain diseases that were thus far subjected to all three modeling approaches (transgenic rodents, in vitro human lineages, human-animal xenografting) and provide a critical appraisal of the impact of xenografting approaches for advancing our understanding of those diseases and brain development. Next, we give our perspective on integrating xenografting modeling pipeline with recent cutting-edge technological advancements.
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Affiliation(s)
- Marlene F Pereira
- Department of Experimental Oncology, European Institute of Oncology IRCCS, Via Adamello 16, 20139 Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Via Santa Sofia 9, 20122 Milan, Italy; Neurogenomics Centre, Human Technopole, Viale Rita Levi-Montalcini 1, 20157 Milan, Italy.
| | - Reinald Shyti
- Department of Experimental Oncology, European Institute of Oncology IRCCS, Via Adamello 16, 20139 Milan, Italy; Neurogenomics Centre, Human Technopole, Viale Rita Levi-Montalcini 1, 20157 Milan, Italy.
| | - Giuseppe Testa
- Department of Experimental Oncology, European Institute of Oncology IRCCS, Via Adamello 16, 20139 Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Via Santa Sofia 9, 20122 Milan, Italy; Neurogenomics Centre, Human Technopole, Viale Rita Levi-Montalcini 1, 20157 Milan, Italy.
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4
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Chang J, Li Y, Shan X, Chen X, Yan X, Liu J, Zhao L. Neural stem cells promote neuroplasticity: a promising therapeutic strategy for the treatment of Alzheimer's disease. Neural Regen Res 2024; 19:619-628. [PMID: 37721293 PMCID: PMC10581561 DOI: 10.4103/1673-5374.380874] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 04/04/2023] [Accepted: 06/10/2023] [Indexed: 09/19/2023] Open
Abstract
Recent studies have demonstrated that neuroplasticity, such as synaptic plasticity and neurogenesis, exists throughout the normal lifespan but declines with age and is significantly impaired in individuals with Alzheimer's disease. Hence, promoting neuroplasticity may represent an effective strategy with which Alzheimer's disease can be alleviated. Due to their significant ability to self-renew, differentiate, and migrate, neural stem cells play an essential role in reversing synaptic and neuronal damage, reducing the pathology of Alzheimer's disease, including amyloid-β, tau protein, and neuroinflammation, and secreting neurotrophic factors and growth factors that are related to plasticity. These events can promote synaptic plasticity and neurogenesis to repair the microenvironment of the mammalian brain. Consequently, neural stem cells are considered to represent a potential regenerative therapy with which to improve Alzheimer's disease and other neurodegenerative diseases. In this review, we discuss how neural stem cells regulate neuroplasticity and optimize their effects to enhance their potential for treating Alzheimer's disease in the clinic.
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Affiliation(s)
- Jun Chang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yujiao Li
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xiaoqian Shan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xi Chen
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xuhe Yan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Jianwei Liu
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lan Zhao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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5
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Hamilton K, Morrow K, Markantoni E, Harvey J. Leptin prevents aberrant targeting of tau to hippocampal synapses via PI 3 kinase driven inhibition of GSK3β. J Neurochem 2023; 167:520-537. [PMID: 37822142 DOI: 10.1111/jnc.15980] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 09/11/2023] [Accepted: 09/19/2023] [Indexed: 10/13/2023]
Abstract
Amyloid-β (Aβ) and hyper-phosphorylated tau are key hallmarks of Alzheimer's disease (AD), with an accumulation of both proteins linked to hippocampal synaptic dysfunction. Recent evidence indicates that Aβ drives mis-localisation of tau from axons to synapses, resulting in AMPA receptor (AMPAR) internalisation and impaired excitatory synaptic function. These tau-driven synaptic impairments are thought to underlie the cognitive deficits in AD. Consequently, limiting the synapto-toxic effects of tau may prevent AD-related cognitive deficits. Increasing evidence links leptin dysfunction with higher AD risk, and numerous studies have identified neuroprotective properties of leptin in AD models of Aβ-induced toxicity. However, it is unclear if leptin protects against tau-related synaptic dysfunction. Here we show that Aβ1-42 significantly increases dendritic and synaptic levels of tau and p-tau in hippocampal neurons, and these effects were blocked by leptin. In accordance with GSK-3β being involved in tau phosphorylation, the protective effects of leptin involve PI 3-kinase (PI3K) activation and inhibition of GSK-3β. Aβ1-42 -driven synaptic targeting of tau was associated with the removal of GluA1-containing AMPARs from synapses, which was also inhibited by leptin-driven inhibition of GSK-3β. Direct application of oligomeric tau to hippocampal neurons caused internalisation of GluA1-containing AMPARs and this effect was blocked by prior application of leptin. Similarly, leptin prevented the ability of tau to block induction of activity-dependent long-term potentiation (LTP) at hippocampal SC-CA1 synapses. These findings increase our understanding of the neuroprotective actions of leptin in the early pre-clinical stages of AD and further validate the leptin system as a therapeutic target in AD.
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Affiliation(s)
- Kirsty Hamilton
- Division of Systems Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - Kate Morrow
- Division of Systems Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - Ermione Markantoni
- Division of Systems Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - Jenni Harvey
- Division of Systems Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
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Pomeshchik Y, Velasquez E, Gil J, Klementieva O, Gidlöf R, Sydoff M, Bagnoli S, Nacmias B, Sorbi S, Westergren-Thorsson G, Gouras GK, Rezeli M, Roybon L. Proteomic analysis across patient iPSC-based models and human post-mortem hippocampal tissue reveals early cellular dysfunction and progression of Alzheimer's disease pathogenesis. Acta Neuropathol Commun 2023; 11:150. [PMID: 37715247 PMCID: PMC10504768 DOI: 10.1186/s40478-023-01649-z] [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: 06/03/2023] [Accepted: 08/30/2023] [Indexed: 09/17/2023] Open
Abstract
The hippocampus is a primary region affected in Alzheimer's disease (AD). Because AD postmortem brain tissue is not available prior to symptomatic stage, we lack understanding of early cellular pathogenic mechanisms. To address this issue, we examined the cellular origin and progression of AD pathogenesis by comparing patient-based model systems including iPSC-derived brain cells transplanted into the mouse brain hippocampus. Proteomic analysis of the graft enabled the identification of pathways and network dysfunction in AD patient brain cells, associated with increased levels of Aβ-42 and β-sheet structures. Interestingly, the host cells surrounding the AD graft also presented alterations in cellular biological pathways. Furthermore, proteomic analysis across human iPSC-based models and human post-mortem hippocampal tissue projected coherent longitudinal cellular changes indicative of early to end stage AD cellular pathogenesis. Our data showcase patient-based models to study the cell autonomous origin and progression of AD pathogenesis.
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Affiliation(s)
- Yuriy Pomeshchik
- iPSC Laboratory for CNS Disease Modelling, Department of Experimental Medical Science, BMC D10, Lund University, 22184, Lund, Sweden.
- Strategic Research Area MultiPark, Lund University, 22184, Lund, Sweden.
- Lund Stem Cell Center, Lund University, 22184, Lund, Sweden.
| | - Erika Velasquez
- iPSC Laboratory for CNS Disease Modelling, Department of Experimental Medical Science, BMC D10, Lund University, 22184, Lund, Sweden
- Strategic Research Area MultiPark, Lund University, 22184, Lund, Sweden
- Lund Stem Cell Center, Lund University, 22184, Lund, Sweden
| | - Jeovanis Gil
- Clinical Protein Science & Imaging, Department of Biomedical Engineering, BMC D13, Lund University, 22184, Lund, Sweden
| | - Oxana Klementieva
- Strategic Research Area MultiPark, Lund University, 22184, Lund, Sweden
- Medical Micro-Spectroscopy, Department of Experimental Medical Science, BMC B10, Lund University, 22184, Lund, Sweden
| | - Ritha Gidlöf
- Lund University BioImaging Centre, Faculty of Medicine, Lund University, 22142, Lund, Sweden
| | - Marie Sydoff
- Lund University BioImaging Centre, Faculty of Medicine, Lund University, 22142, Lund, Sweden
| | - Silvia Bagnoli
- Laboratorio Di Neurogenetica, Dipartimento Di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino- NEUROFARBA, Università degli Studi di Firenze, 50134, Florence, Italy
- IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Benedetta Nacmias
- Laboratorio Di Neurogenetica, Dipartimento Di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino- NEUROFARBA, Università degli Studi di Firenze, 50134, Florence, Italy
- IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Sandro Sorbi
- Laboratorio Di Neurogenetica, Dipartimento Di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino- NEUROFARBA, Università degli Studi di Firenze, 50134, Florence, Italy
- IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Gunilla Westergren-Thorsson
- Department of Experimental Medical Science, BMC C12, Faculty of Medicine, Lund University, 22142, Lund, Sweden
| | - Gunnar K Gouras
- Strategic Research Area MultiPark, Lund University, 22184, Lund, Sweden
- Experimental Dementia Research Unit, Department of Experimental Medical Science, BMC B11, Lund University, 22184, Lund, Sweden
| | - Melinda Rezeli
- Clinical Protein Science & Imaging, Department of Biomedical Engineering, BMC D13, Lund University, 22184, Lund, Sweden
- Swedish National Infrastructure for Biological Mass Spectrometry (BioMS), Lund University, 22184, Lund, Sweden
| | - Laurent Roybon
- iPSC Laboratory for CNS Disease Modelling, Department of Experimental Medical Science, BMC D10, Lund University, 22184, Lund, Sweden.
- Strategic Research Area MultiPark, Lund University, 22184, Lund, Sweden.
- Lund Stem Cell Center, Lund University, 22184, Lund, Sweden.
- Department of Neurodegenerative Science, The MiND Program, Van Andel Institute, Grand Rapids, MI, USA.
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7
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Ondrejcak T, Klyubin I, Hu NW, O'Malley TT, Corbett GT, Winters R, Perkinton MS, Billinton A, Prenderville JA, Walsh DM, Rowan MJ. Tau and Amyloid β Protein in Patient-Derived Aqueous Brain Extracts Act Concomitantly to Disrupt Long-Term Potentiation in Vivo. J Neurosci 2023; 43:5870-5879. [PMID: 37491315 PMCID: PMC10423043 DOI: 10.1523/jneurosci.0082-23.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 06/07/2023] [Accepted: 07/05/2023] [Indexed: 07/27/2023] Open
Abstract
Amyloid β protein (Aβ) and tau, the two main proteins implicated in causing Alzheimer's disease (AD), are posited to trigger synaptic dysfunction long before significant synaptic loss occurs in vulnerable circuits. Whereas soluble Aβ aggregates from AD brain are well recognized potent synaptotoxins, less is known about the synaptotoxicity of soluble tau from AD or other tauopathy patient brains. Minimally manipulated patient-derived aqueous brain extracts contain the more diffusible native forms of these proteins. Here, we explore how intracerebral injection of Aβ and tau present in such aqueous extracts of patient brain contribute to disruption of synaptic plasticity in the CA1 area of the male rat hippocampus. Aqueous extracts of certain AD brains acutely inhibited long-term potentiation (LTP) of synaptic transmission in a manner that required both Aβ and tau. Tau-containing aqueous extracts of a brain from a patient with Pick's disease (PiD) also impaired LTP, and diffusible tau from either AD or PiD brain lowered the threshold for AD brain Aβ to inhibit LTP. Remarkably, the disruption of LTP persisted for at least 2 weeks after a single injection. These findings support a critical role for diffusible tau in causing rapid onset, persistent synaptic plasticity deficits, and promoting Aβ-mediated synaptic dysfunction.SIGNIFICANCE STATEMENT The microtubule-associated protein tau forms relatively insoluble fibrillar deposits in the brains of people with neurodegenerative diseases including Alzheimer's and Pick's diseases. More soluble aggregates of disease-associated tau may diffuse between cells and could cause damage to synapses in vulnerable circuits. We prepared aqueous extracts of diseased cerebral cortex and tested their ability to interfere with synaptic function in the brains of live rats. Tau in these extracts rapidly and persistently disrupted synaptic plasticity and facilitated impairments caused by amyloid β protein, the other major pathologic protein in Alzheimer's disease. These findings show that certain diffusible forms of tau can mediate synaptic dysfunction and may be a target for therapy.
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Affiliation(s)
- Tomas Ondrejcak
- Department of Pharmacology & Therapeutics, School of Medicine and Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Igor Klyubin
- Department of Pharmacology & Therapeutics, School of Medicine and Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Neng-Wei Hu
- Department of Pharmacology & Therapeutics, School of Medicine and Institute of Neuroscience, Trinity College, Dublin 2, Ireland
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Tiernan T O'Malley
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, Massachusetts 02115
| | - Grant T Corbett
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, Massachusetts 02115
| | - Róisín Winters
- Transpharmation Ireland, Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Michael S Perkinton
- Neuroscience, BioPharmaceuticals R&D, AstraZeneca UK, Cambridge, CB21 6GH, United Kingdom
| | - Andy Billinton
- Neuroscience, BioPharmaceuticals R&D, AstraZeneca UK, Cambridge, CB21 6GH, United Kingdom
| | - Jack A Prenderville
- Transpharmation Ireland, Institute of Neuroscience, Trinity College, Dublin 2, Ireland
- Department of Physiology, School of Medicine, Trinity College, Dublin 2, Ireland
| | - Dominic M Walsh
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, Massachusetts 02115
| | - Michael J Rowan
- Department of Pharmacology & Therapeutics, School of Medicine and Institute of Neuroscience, Trinity College, Dublin 2, Ireland
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8
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Yuan YG, Wang JL, Zhang YX, Li L, Reza AMMT, Gurunathan S. Biogenesis, Composition and Potential Therapeutic Applications of Mesenchymal Stem Cells Derived Exosomes in Various Diseases. Int J Nanomedicine 2023; 18:3177-3210. [PMID: 37337578 PMCID: PMC10276992 DOI: 10.2147/ijn.s407029] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/31/2023] [Indexed: 06/21/2023] Open
Abstract
Exosomes are nanovesicles with a wide range of chemical compositions used in many different applications. Mesenchymal stem cell-derived exosomes (MSCs-EXOs) are spherical vesicles that have been shown to mediate tissue regeneration in a variety of diseases, including neurological, autoimmune and inflammatory, cancer, ischemic heart disease, lung injury, and liver fibrosis. They can modulate the immune response by interacting with immune effector cells due to the presence of anti-inflammatory compounds and are involved in intercellular communication through various types of cargo. MSCs-EXOs exhibit cytokine storm-mitigating properties in response to COVID-19. This review discussed the potential function of MSCs-EXOs in a variety of diseases including neurological, notably epileptic encephalopathy and Parkinson's disease, cancer, angiogenesis, autoimmune and inflammatory diseases. We provided an overview of exosome biogenesis and factors that regulate exosome biogenesis. Additionally, we highlight the functions and potential use of MSCs-EXOs in the treatment of the inflammatory disease COVID-19. Finally, we covered a strategies and challenges of MSCs-EXOs. Finally, we discuss conclusion and future perspectives of MSCs-EXOs.
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Affiliation(s)
- Yu-Guo Yuan
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Jia-Lin Wang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Ya-Xin Zhang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Ling Li
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Abu Musa Md Talimur Reza
- Department of Molecular Biology and Genetics, Faculty of Science, Gebze Technical University, Gebze, Kocaeli, Türkiye
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9
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Hu Z, Ondrejcak T, Yu P, Zhang Y, Yang Y, Klyubin I, Kennelly SP, Rowan MJ, Hu NW. Do tau-synaptic long-term depression interactions in the hippocampus play a pivotal role in the progression of Alzheimer's disease? Neural Regen Res 2022; 18:1213-1219. [PMID: 36453396 PMCID: PMC9838152 DOI: 10.4103/1673-5374.360166] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Cognitive decline in Alzheimer's disease correlates with the extent of tau pathology, in particular tau hyperphosphorylation that initially appears in the transentorhinal and related regions of the brain including the hippocampus. Recent evidence indicates that tau hyperphosphorylation caused by either amyloid-β or long-term depression, a form of synaptic weakening involved in learning and memory, share similar mechanisms. Studies from our group and others demonstrate that long-term depression-inducing low-frequency stimulation triggers tau phosphorylation at different residues in the hippocampus under different experimental conditions including aging. Conversely, certain forms of long-term depression at hippocampal glutamatergic synapses require endogenous tau, in particular, phosphorylation at residue Ser396. Elucidating the exact mechanisms of interaction between tau and long-term depression may help our understanding of the physiological and pathological functions of tau/tau (hyper)phosphorylation. We first summarize experimental evidence regarding tau-long-term depression interactions, followed by a discussion of possible mechanisms by which this interplay may influence the pathogenesis of Alzheimer's disease. Finally, we conclude with some thoughts and perspectives on future research about these interactions.
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Affiliation(s)
- Zhengtao Hu
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China,Department of Gerontology, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
| | - Tomas Ondrejcak
- Department of Pharmacology & Therapeutics and Institute of Neuroscience, Trinity College, Dublin, Ireland
| | - Pengpeng Yu
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yangyang Zhang
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yin Yang
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China,Department of Pharmacology & Therapeutics and Institute of Neuroscience, Trinity College, Dublin, Ireland
| | - Igor Klyubin
- Department of Pharmacology & Therapeutics and Institute of Neuroscience, Trinity College, Dublin, Ireland
| | - Sean P. Kennelly
- Department of Age-Related Healthcare, Tallaght University Hospital, Dublin, Ireland,Department of Medical Gerontology, Trinity College, Dublin, Ireland
| | - Michael J. Rowan
- Department of Pharmacology & Therapeutics and Institute of Neuroscience, Trinity College, Dublin, Ireland
| | - Neng-Wei Hu
- Department of Physiology and Neurobiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China,Department of Pharmacology & Therapeutics and Institute of Neuroscience, Trinity College, Dublin, Ireland,Correspondence to: Neng-Wei Hu, .
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10
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Zayed MA, Sultan S, Alsaab HO, Yousof SM, Alrefaei GI, Alsubhi NH, Alkarim S, Al Ghamdi KS, Bagabir SA, Jana A, Alghamdi BS, Atta HM, Ashraf GM. Stem-Cell-Based Therapy: The Celestial Weapon against Neurological Disorders. Cells 2022; 11:3476. [PMID: 36359871 PMCID: PMC9655836 DOI: 10.3390/cells11213476] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/15/2022] [Accepted: 10/24/2022] [Indexed: 09/01/2023] Open
Abstract
Stem cells are a versatile source for cell therapy. Their use is particularly significant for the treatment of neurological disorders for which no definitive conventional medical treatment is available. Neurological disorders are of diverse etiology and pathogenesis. Alzheimer's disease (AD) is caused by abnormal protein deposits, leading to progressive dementia. Parkinson's disease (PD) is due to the specific degeneration of the dopaminergic neurons causing motor and sensory impairment. Huntington's disease (HD) includes a transmittable gene mutation, and any treatment should involve gene modulation of the transplanted cells. Multiple sclerosis (MS) is an autoimmune disorder affecting multiple neurons sporadically but induces progressive neuronal dysfunction. Amyotrophic lateral sclerosis (ALS) impacts upper and lower motor neurons, leading to progressive muscle degeneration. This shows the need to try to tailor different types of cells to repair the specific defect characteristic of each disease. In recent years, several types of stem cells were used in different animal models, including transgenic animals of various neurologic disorders. Based on some of the successful animal studies, some clinical trials were designed and approved. Some studies were successful, others were terminated and, still, a few are ongoing. In this manuscript, we aim to review the current information on both the experimental and clinical trials of stem cell therapy in neurological disorders of various disease mechanisms. The different types of cells used, their mode of transplantation and the molecular and physiologic effects are discussed. Recommendations for future use and hopes are highlighted.
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Affiliation(s)
- Mohamed A. Zayed
- Physiology Department, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Physiology Department, Faculty of Medicine, Menoufia University, Menoufia 32511, Egypt
| | - Samar Sultan
- Medical Laboratory Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Regenerative Medicine Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hashem O. Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taif University, Taif 21944, Saudi Arabia
| | - Shimaa Mohammad Yousof
- Physiology Department, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Medical Physiology Department, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Ghadeer I. Alrefaei
- Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Nouf H. Alsubhi
- Department of Biological Sciences, College of Science & Arts, King Abdulaziz University, Rabigh 21911, Saudi Arabia
| | - Saleh Alkarim
- Embryonic and Cancer Stem Cell Research Group, King Fahad Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Biology Department, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Embryonic Stem Cells Research Unit, Biology Department, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Kholoud S. Al Ghamdi
- Department of Physiology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
| | - Sali Abubaker Bagabir
- Genetic Unit, Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Ankit Jana
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Campus-11, Patia, Bhubaneswar 751024, Odisha, India
| | - Badrah S. Alghamdi
- Department of Physiology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hazem M. Atta
- Clinical Biochemistry Department, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo 11562, Egypt
| | - Ghulam Md Ashraf
- Department of Medical Laboratory Sciences, College of Health Sciences, University of Sharjah, University City, Sharjah 27272, United Arab Emirates
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11
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Langlie J, Mittal R, Finberg A, Bencie NB, Mittal J, Omidian H, Omidi Y, Eshraghi AA. Unraveling pathological mechanisms in neurological disorders: the impact of cell-based and organoid models. Neural Regen Res 2022; 17:2131-2140. [PMID: 35259819 PMCID: PMC9083150 DOI: 10.4103/1673-5374.335836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Cell-based models are a promising tool in deciphering the molecular mechanisms underlying the pathogenesis of neurological disorders as well as aiding in the discovery and development of future drug therapies. The greatest challenge is creating cell-based models that encapsulate the vast phenotypic presentations as well as the underlying genotypic etiology of these conditions. In this article, we discuss the recent advancements in cell-based models for understanding the pathophysiology of neurological disorders. We reviewed studies discussing the progression of cell-based models to the advancement of three-dimensional models and organoids that provide a more accurate model of the pathophysiology of neurological disorders in vivo. The better we understand how to create more precise models of the neurological system, the sooner we will be able to create patient-specific models and large libraries of these neurological disorders. While three-dimensional models can be used to discover the linking factors to connect the varying phenotypes, such models will also help to understand the early pathophysiology of these neurological disorders and how they are affected by their environment. The three-dimensional cell models will allow us to create more specific treatments and uncover potentially preventative measures in neurological disorders such as autism spectrum disorder, Parkinson's disease, Alzheimer's disease, and amyotrophic lateral sclerosis.
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Affiliation(s)
- Jake Langlie
- Department of Otolaryngology, Hearing Research and Communication Disorders Laboratory, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Rahul Mittal
- Department of Otolaryngology, Hearing Research and Communication Disorders Laboratory, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Ariel Finberg
- Department of Otolaryngology, Hearing Research and Communication Disorders Laboratory, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Nathalie B Bencie
- Department of Otolaryngology, Hearing Research and Communication Disorders Laboratory, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jeenu Mittal
- Department of Otolaryngology, Hearing Research and Communication Disorders Laboratory, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Hossein Omidian
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Yadollah Omidi
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Adrien A Eshraghi
- Department of Otolaryngology, Hearing Research and Communication Disorders Laboratory; Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami; Department of Biomedical Engineering, University of Miami, Coral Gables; Department of Pediatrics, University of Miami Miller School of Medicine, Miami, FL, USA
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12
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August I, Semendeferi K, Marchetto MC. Brain aging, Alzheimer's disease, and the role of stem cells in primate comparative studies. J Comp Neurol 2022; 530:2940-2953. [PMID: 35929189 DOI: 10.1002/cne.25394] [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: 01/31/2022] [Revised: 06/24/2022] [Accepted: 07/09/2022] [Indexed: 11/10/2022]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disease that is ultimately fatal. Currently, millions of Americans are living with AD, and this number is predicted to grow with increases in the aging population. Interestingly, despite the prevalence of AD in human populations, the full AD phenotype has not been observed in any nonhuman primate (NHP) species, and it has been suggested that NHPs are immune to neurodegenerative diseases such as AD. Here, we review the typical age-related changes and pathologies in humans along with the neuropathologic changes associated with AD, and we place this information in the context of the comparative neuropathology of NHPs. We further propose the use of induced pluripotent stem cell technology as a way of addressing initial molecular processes and changes that occur in neurons and glia (in both humans and NHPs) when exposed to AD-inducing pathology prior to cell death.
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Affiliation(s)
- Isabel August
- Department of Anthropology, University of California, San Diego, San Diego, California, USA
| | - Katerina Semendeferi
- Department of Anthropology, University of California, San Diego, San Diego, California, USA.,Center for Academic Research and Training in Anthropogeny (CARTA), San Diego, California, USA
| | - Maria Carolina Marchetto
- Department of Anthropology, University of California, San Diego, San Diego, California, USA.,Center for Academic Research and Training in Anthropogeny (CARTA), San Diego, California, USA
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13
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Farrell C, Mumford P, Wiseman FK. Rodent Modeling of Alzheimer's Disease in Down Syndrome: In vivo and ex vivo Approaches. Front Neurosci 2022; 16:909669. [PMID: 35747206 PMCID: PMC9209729 DOI: 10.3389/fnins.2022.909669] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/16/2022] [Indexed: 12/30/2022] Open
Abstract
There are an estimated 6 million people with Down syndrome (DS) worldwide. In developed countries, the vast majority of these individuals will develop Alzheimer's disease neuropathology characterized by the accumulation of amyloid-β (Aβ) plaques and tau neurofibrillary tangles within the brain, which leads to the early onset of dementia (AD-DS) and reduced life-expectancy. The mean age of onset of clinical dementia is ~55 years and by the age of 80, approaching 100% of individuals with DS will have a dementia diagnosis. DS is caused by trisomy of chromosome 21 (Hsa21) thus an additional copy of a gene(s) on the chromosome must cause the development of AD neuropathology and dementia. Indeed, triplication of the gene APP which encodes the amyloid precursor protein is sufficient and necessary for early onset AD (EOAD), both in people who have and do not have DS. However, triplication of other genes on Hsa21 leads to profound differences in neurodevelopment resulting in intellectual disability, elevated incidence of epilepsy and perturbations to the immune system. This different biology may impact on how AD neuropathology and dementia develops in people who have DS. Indeed, genes on Hsa21 other than APP when in three-copies can modulate AD-pathogenesis in mouse preclinical models. Understanding this biology better is critical to inform drug selection for AD prevention and therapy trials for people who have DS. Here we will review rodent preclinical models of AD-DS and how these can be used for both in vivo and ex vivo (cultured cells and organotypic slice cultures) studies to understand the mechanisms that contribute to the early development of AD in people who have DS and test the utility of treatments to prevent or delay the development of disease.
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14
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Shafiq M, Da Vela S, Amin L, Younas N, Harris DA, Zerr I, Altmeppen HC, Svergun D, Glatzel M. The prion protein and its ligands: Insights into structure-function relationships. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119240. [PMID: 35192891 DOI: 10.1016/j.bbamcr.2022.119240] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 01/23/2022] [Accepted: 01/28/2022] [Indexed: 06/14/2023]
Abstract
The prion protein is a multifunctional protein that exists in at least two different folding states. It is subject to diverse proteolytic processing steps that lead to prion protein fragments some of which are membrane-bound whereas others are soluble. A multitude of ligands bind to the prion protein and besides proteinaceous binding partners, interaction with metal ions and nucleic acids occurs. Although of great importance, information on structural and functional consequences of prion protein binding to its partners is limited. Here, we will reflect on the structure-function relationship of the prion protein and its binding partners considering the different folding states and prion protein fragments.
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Affiliation(s)
- Mohsin Shafiq
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany
| | - Stefano Da Vela
- European Molecular Biology Laboratory (EMBL), Hamburg c/o German Electron Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
| | - Ladan Amin
- Department of Biochemistry, Boston University School of Medicine, Boston, MA, United States
| | - Neelam Younas
- Department of Neurology, University Medical Center Goettingen, Robert-Koch-str. 40, 37075 Goettingen, Germany
| | - David A Harris
- Department of Biochemistry, Boston University School of Medicine, Boston, MA, United States
| | - Inga Zerr
- Department of Neurology, University Medical Center Goettingen, Robert-Koch-str. 40, 37075 Goettingen, Germany
| | - Hermann C Altmeppen
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany
| | - Dmitri Svergun
- European Molecular Biology Laboratory (EMBL), Hamburg c/o German Electron Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
| | - Markus Glatzel
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany.
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15
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Srivastava H, Pozzoli M, Lau E. Defining the Roles of Cardiokines in Human Aging and Age-Associated Diseases. FRONTIERS IN AGING 2022; 3:884321. [PMID: 35821831 PMCID: PMC9261440 DOI: 10.3389/fragi.2022.884321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/07/2022] [Indexed: 11/13/2022]
Abstract
In recent years an expanding collection of heart-secreted signaling proteins have been discovered that play cellular communication roles in diverse pathophysiological processes. This minireview briefly discusses current evidence for the roles of cardiokines in systemic regulation of aging and age-associated diseases. An analysis of human transcriptome and secretome data suggests the possibility that many other cardiokines remain to be discovered that may function in long-range physiological regulations. We discuss the ongoing challenges and emerging technologies for elucidating the identity and function of cardiokines in endocrine regulations.
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Affiliation(s)
- Himangi Srivastava
- Department of Medicine/Cardiology, School of Medicine, University of Colorado, Aurora, CO, United States
- Consortium for Fibrosis Research and Translation, School of Medicine, University of Colorado, Aurora, CO, United States
| | - Marina Pozzoli
- Department of Medicine/Cardiology, School of Medicine, University of Colorado, Aurora, CO, United States
- Consortium for Fibrosis Research and Translation, School of Medicine, University of Colorado, Aurora, CO, United States
| | - Edward Lau
- Department of Medicine/Cardiology, School of Medicine, University of Colorado, Aurora, CO, United States
- Consortium for Fibrosis Research and Translation, School of Medicine, University of Colorado, Aurora, CO, United States
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16
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Gabriele RMC, Abel E, Fox NC, Wray S, Arber C. Knockdown of Amyloid Precursor Protein: Biological Consequences and Clinical Opportunities. Front Neurosci 2022; 16:835645. [PMID: 35360155 PMCID: PMC8964081 DOI: 10.3389/fnins.2022.835645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/18/2022] [Indexed: 12/29/2022] Open
Abstract
Amyloid precursor protein (APP) and its cleavage fragment Amyloid-β (Aβ) have fundamental roles in Alzheimer's disease (AD). Genetic alterations that either increase the overall dosage of APP or alter its processing to favour the generation of longer, more aggregation prone Aβ species, are directly causative of the disease. People living with one copy of APP are asymptomatic and reducing APP has been shown to lower the relative production of aggregation-prone Aβ species in vitro. For these reasons, reducing APP expression is an attractive approach for AD treatment and prevention. In this review, we will describe the structure and the known functions of APP and go on to discuss the biological consequences of APP knockdown and knockout in model systems. We highlight progress in therapeutic strategies to reverse AD pathology via reducing APP expression. We conclude that new technologies that reduce the dosage of APP expression may allow disease modification and slow clinical progression, delaying or even preventing onset.
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Affiliation(s)
- Rebecca M. C. Gabriele
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Emily Abel
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, London, United Kingdom,UK Dementia Research Institute at University College London (UCL), Queen Square Institute of Neurology, London, United Kingdom
| | - Nick C. Fox
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, London, United Kingdom,UK Dementia Research Institute at University College London (UCL), Queen Square Institute of Neurology, London, United Kingdom
| | - Selina Wray
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Charles Arber
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, London, United Kingdom,*Correspondence: Charles Arber,
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17
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Barak M, Fedorova V, Pospisilova V, Raska J, Vochyanova S, Sedmik J, Hribkova H, Klimova H, Vanova T, Bohaciakova D. Human iPSC-Derived Neural Models for Studying Alzheimer's Disease: from Neural Stem Cells to Cerebral Organoids. Stem Cell Rev Rep 2022; 18:792-820. [PMID: 35107767 PMCID: PMC8930932 DOI: 10.1007/s12015-021-10254-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2021] [Indexed: 12/05/2022]
Abstract
During the past two decades, induced pluripotent stem cells (iPSCs) have been widely used to study mechanisms of human neural development, disease modeling, and drug discovery in vitro. Especially in the field of Alzheimer’s disease (AD), where this treatment is lacking, tremendous effort has been put into the investigation of molecular mechanisms behind this disease using induced pluripotent stem cell-based models. Numerous of these studies have found either novel regulatory mechanisms that could be exploited to develop relevant drugs for AD treatment or have already tested small molecules on in vitro cultures, directly demonstrating their effect on amelioration of AD-associated pathology. This review thus summarizes currently used differentiation strategies of induced pluripotent stem cells towards neuronal and glial cell types and cerebral organoids and their utilization in modeling AD and potential drug discovery.
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Affiliation(s)
- Martin Barak
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Veronika Fedorova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Veronika Pospisilova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Jan Raska
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Simona Vochyanova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Jiri Sedmik
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
- International Clinical Research Center, St. Anne's Faculty Hospital Brno, Brno, Czech Republic
| | - Hana Hribkova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Hana Klimova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Tereza Vanova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
- International Clinical Research Center, St. Anne's Faculty Hospital Brno, Brno, Czech Republic
| | - Dasa Bohaciakova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic.
- International Clinical Research Center, St. Anne's Faculty Hospital Brno, Brno, Czech Republic.
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18
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Mohammadi B, Song F, Matamoros-Angles A, Shafiq M, Damme M, Puig B, Glatzel M, Altmeppen HC. Anchorless risk or released benefit? An updated view on the ADAM10-mediated shedding of the prion protein. Cell Tissue Res 2022; 392:215-234. [PMID: 35084572 PMCID: PMC10113312 DOI: 10.1007/s00441-022-03582-4] [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: 10/13/2021] [Accepted: 01/12/2022] [Indexed: 11/24/2022]
Abstract
The prion protein (PrP) is a broadly expressed glycoprotein linked with a multitude of (suggested) biological and pathological implications. Some of these roles seem to be due to constitutively generated proteolytic fragments of the protein. Among them is a soluble PrP form, which is released from the surface of neurons and other cell types by action of the metalloprotease ADAM10 in a process termed 'shedding'. The latter aspect is the focus of this review, which aims to provide a comprehensive overview on (i) the relevance of proteolytic processing in regulating cellular PrP functions, (ii) currently described involvement of shed PrP in neurodegenerative diseases (including prion diseases and Alzheimer's disease), (iii) shed PrP's expected roles in intercellular communication in many more (patho)physiological conditions (such as stroke, cancer or immune responses), (iv) and the need for improved research tools in respective (future) studies. Deeper mechanistic insight into roles played by PrP shedding and its resulting fragment may pave the way for improved diagnostics and future therapeutic approaches in diseases of the brain and beyond.
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Affiliation(s)
- Behnam Mohammadi
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
- Working Group for Interdisciplinary Neurobiology and Immunology (INI Research), Hamburg, Germany
| | - Feizhi Song
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Andreu Matamoros-Angles
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Mohsin Shafiq
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Markus Damme
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Berta Puig
- Department of Neurology, Experimental Research in Stroke and Inflammation (ERSI), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Markus Glatzel
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
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19
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NT1-Tau Is Increased in CSF and Plasma of CJD Patients, and Correlates with Disease Progression. Cells 2021; 10:cells10123514. [PMID: 34944022 PMCID: PMC8700417 DOI: 10.3390/cells10123514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/04/2021] [Accepted: 12/08/2021] [Indexed: 11/21/2022] Open
Abstract
This study investigates the diagnostic and prognostic potential of different forms of tau in biofluids from patients with Creutzfeldt-Jakob disease (CJD). Extracellular tau, which is molecularly heterogeneous, was measured using ultra-sensitive custom-made Simoa assays for N-terminal (NT1), mid-region, and full-length tau. We assessed cross-sectional CSF and plasma from healthy controls, patients with Alzheimer’s disease (AD) and CJD patients. Then, we evaluated the correlation of the best-performing tau assay (NT1-tau) with clinical severity and functional decline (using the MRC Prion Disease Rating Scale) in a longitudinal CJD cohort (n = 145). In a cross-sectional study, tau measured in CSF with the NT1 and mid-region Simoa assays, separated CJD (n = 15) from AD (n = 18) and controls (n = 21) with a diagnostic accuracy (AUCs: 0.98–1.00) comparable to or better than neurofilament light chain (NfL; AUCs: 0.96–0.99). In plasma, NT1-measured tau was elevated in CJD (n = 5) versus AD (n = 15) and controls (n = 15). Moreover, in CJD plasma (n = 145) NT1-tau levels correlated with stage and rate of disease progression, and the effect on clinical progression was modified by the PRNP codon 129. Our findings suggest that plasma NT1-tau shows promise as a minimally invasive diagnostic and prognostic biomarker of CJD, and should be further investigated for its potential to monitor disease progression and response to therapies.
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20
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Wu M, Zhang M, Yin X, Chen K, Hu Z, Zhou Q, Cao X, Chen Z, Liu D. The role of pathological tau in synaptic dysfunction in Alzheimer's diseases. Transl Neurodegener 2021; 10:45. [PMID: 34753506 PMCID: PMC8579533 DOI: 10.1186/s40035-021-00270-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/25/2021] [Indexed: 12/12/2022] Open
Abstract
Alzheimer’s disease (AD) is a neurodegenerative disease characterized by progressive cognitive decline, accompanied by amyloid-β (Aβ) overload and hyperphosphorylated tau accumulation in the brain. Synaptic dysfunction, an important pathological hallmark in AD, is recognized as the main cause of the cognitive impairments. Accumulating evidence suggests that synaptic dysfunction could be an early pathological event in AD. Pathological tau, which is detached from axonal microtubules and mislocalized into pre- and postsynaptic neuronal compartments, is suggested to induce synaptic dysfunction in several ways, including reducing mobility and release of presynaptic vesicles, decreasing glutamatergic receptors, impairing the maturation of dendritic spines at postsynaptic terminals, disrupting mitochondrial transport and function in synapses, and promoting the phagocytosis of synapses by microglia. Here, we review the current understanding of how pathological tau mediates synaptic dysfunction and contributes to cognitive decline in AD. We propose that elucidating the mechanism by which pathological tau impairs synaptic function is essential for exploring novel therapeutic strategies for AD.
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Affiliation(s)
- Moxin Wu
- Department of Medical Laboratory, Affiliated Hospital of Jiujiang University, Jiujiang, 332000, China.,Jiujiang Clinical Precision Medicine Research Center, Jiujiang, 332000, China
| | - Manqing Zhang
- Medical College of Jiujiang University, Jiujiang, 332000, China
| | - Xiaoping Yin
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, 332000, China.,Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, 332000, China
| | - Kai Chen
- Department of Dermatology, Wuhan No. 1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhijian Hu
- Department of Medical Laboratory, Affiliated Hospital of Jiujiang University, Jiujiang, 332000, China
| | - Qin Zhou
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, 332000, China
| | - Xianming Cao
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, 332000, China.,Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, 332000, China
| | - Zhiying Chen
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, 332000, China. .,Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, 332000, China.
| | - Dan Liu
- Department of Medical Genetics, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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21
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Legname G, Scialò C. On the role of the cellular prion protein in the uptake and signaling of pathological aggregates in neurodegenerative diseases. Prion 2021; 14:257-270. [PMID: 33345731 PMCID: PMC7757855 DOI: 10.1080/19336896.2020.1854034] [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] [Indexed: 12/24/2022] Open
Abstract
Neurodegenerative disorders are associated with intra- or extra-cellular deposition of aggregates of misfolded insoluble proteins. These deposits composed of tau, amyloid-β or α-synuclein spread from cell to cell, in a prion-like manner. Novel evidence suggests that the circulating soluble oligomeric species of these misfolded proteins could play a major role in pathology, while insoluble aggregates would represent their protective less toxic counterparts. Recent convincing data support the proposition that the cellular prion protein, PrPC, act as a toxicity-inducing receptor for amyloid-β oligomers. As a consequence, several studies focused their investigations to the role played by PrPC in binding other protein aggregates, such as tau and α-synuclein, for its possible common role in mediating toxic signalling. The biological relevance of PrPC as key ligand and potential mediator of toxicity for multiple proteinaceous aggregated species, prions or PrPSc included, could lead to relevant therapeutic implications. Here we describe the structure of PrPC and the proposed interplay with its pathological counterpart PrPSc and then we recapitulate the most recent findings regarding the role of PrPC in the interaction with aggregated forms of other neurodegeneration-associated proteins.
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Affiliation(s)
- Giuseppe Legname
- Department of Neuroscience, Laboratory of Prion Biology, Scuola Internazionale Superiore Di Studi Avanzati (SISSA) , Trieste, Italy
| | - Carlo Scialò
- Department of Neuroscience, Laboratory of Prion Biology, Scuola Internazionale Superiore Di Studi Avanzati (SISSA) , Trieste, Italy
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22
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The Cellular Prion Protein Increases the Uptake and Toxicity of TDP-43 Fibrils. Viruses 2021; 13:v13081625. [PMID: 34452489 PMCID: PMC8402629 DOI: 10.3390/v13081625] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/11/2021] [Accepted: 08/14/2021] [Indexed: 12/18/2022] Open
Abstract
Cytoplasmic aggregation of the primarily nuclear TAR DNA-binding protein 43 (TDP-43) affects neurons in most amyotrophic lateral sclerosis (ALS) and approximately half of frontotemporal lobar degeneration (FTLD) cases. The cellular prion protein, PrPC, has been recognized as a common receptor and downstream effector of circulating neurotoxic species of several proteins involved in neurodegeneration. Here, capitalizing on our recently adapted TDP-43 real time quaking induced reaction, we set reproducible protocols to obtain standardized preparations of recombinant TDP-43 fibrils. We then exploited two different cellular systems (human SH-SY5Y and mouse N2a neuroblastoma cells) engineered to express low or high PrPC levels to investigate the link between PrPC expression on the cell surface and the internalization of TDP-43 fibrils. Fibril uptake was increased in cells overexpressing either human or mouse prion protein. Increased internalization was associated with detrimental consequences in all PrP-overexpressing cell lines but was milder in cells expressing the human form of the prion protein. As described for other amyloids, treatment with TDP-43 fibrils induced a reduction in the accumulation of the misfolded form of PrPC, PrPSc, in cells chronically infected with prions. Our results expand the list of misfolded proteins whose uptake and detrimental effects are mediated by PrPC, which encompass almost all pathological amyloids involved in neurodegeneration.
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Yao W, Chen H, Sheng X, Zhao H, Xu Y, Bai F. Core-Centered Connection Abnormalities Associated with Pathological Features Mediate the Progress of Cognitive Impairments in Alzheimer's Disease Spectrum Patients. J Alzheimers Dis 2021; 82:1499-1511. [PMID: 34180417 DOI: 10.3233/jad-210481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Abnormal default mode network (DMN) was associated with the progress of Alzheimer's disease (AD). Rather than treat the DMN as a unitary network, it can be further divided into three subsystems with different functions. OBJECTIVE It remains unclear the interactions of DMN subsystems associated with the progress of cognitive impairments and AD pathological features. METHODS This study has recruited 187 participants, including test data and verification data. Firstly, an imaging analysis approach was utilized to investigate disease-related differences in the interactions of DMN subsystems in test data (n = 149), including 42 cognitively normal subjects, 43 early mild cognitive impairment (EMCI), 32 late mild cognitive impairment (LMCI), and 32 AD patients. Brain-behavior-pathological relationships regarding to the interactions among DMN subsystems were then further examined. Secondly, DMN subsystems abnormalities for classifying AD spectrum population in the independent verification data (n = 38). RESULTS This study found that the impaired cognition relates to disturbances in the interactions between DMN subsystems but preferentially in core subsystem, and the abnormal regulatory processes of core subsystem were significantly associated with the levels of cerebrospinal fluid Aβ and tau in AD-spectrum patients. Meantime, the nonlinear relationship between dysfunctional core subsystem and impaired cognition was observed as one progresses through the stages of MCI to AD. Importantly, this classification presented a higher sensitivity and specificity dependent on the core-centered connection abnormalities. CONCLUSION The abnormal interaction patterns of DMN subsystems at an early stage of AD appeared and presented as core-centered connection abnormalities, which were the potential neuroimaging features for monitoring the development of AD.
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Affiliation(s)
- Weina Yao
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Haifeng Chen
- Department of Neurology, Nanjing Drum Tower Hospital of The Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, China.,The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Brain Science, Nanjing University, Nanjing, China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, China
| | - Xiaoning Sheng
- Department of Neurology, Nanjing Drum Tower Hospital of The Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, China.,The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Brain Science, Nanjing University, Nanjing, China
| | - Hui Zhao
- Department of Neurology, Nanjing Drum Tower Hospital of The Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, China.,The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Brain Science, Nanjing University, Nanjing, China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, China
| | - Yun Xu
- Department of Neurology, Nanjing Drum Tower Hospital of The Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, China.,The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Brain Science, Nanjing University, Nanjing, China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, China
| | - Feng Bai
- Department of Neurology, Nanjing Drum Tower Hospital of The Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, China.,The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Brain Science, Nanjing University, Nanjing, China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, China
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Martín-Cámara O, Cores Á, López-Alvarado P, Menéndez JC. Emerging targets in drug discovery against neurodegenerative diseases: Control of synapsis disfunction by the RhoA/ROCK pathway. Eur J Med Chem 2021; 225:113742. [PMID: 34388381 DOI: 10.1016/j.ejmech.2021.113742] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 07/28/2021] [Accepted: 08/02/2021] [Indexed: 01/11/2023]
Abstract
Synaptic spine morphology is controlled by the activity of Rac1, Cdc42 and RhoA, which need to be finely balanced, and in particular RhoA/ROCK prevents the formation of new protrusions by stabilizing actin formation. These processes are crucial to the maturation process, slowing the de novo generation of new spines. The RhoA/ROCK also influences plasticity processes, and selective modulation by ROCK1 of MLC-dependent actin dynamics leads to neurite retraction, but not to spine retraction. ROCK1 is also responsible for the reduction of the readily releasable pool of synaptic vesicles. These and other evidences suggest that ROCK1 is the main isoform acting on the presynaptic neuron. On the other hand, ROCK2 seems to have broad effects on LIMK/cofilin-dependent plasticity processes such as cofilin-dependent PSD changes. The RhoA/ROCK pathway is an important factor in several different brain-related pathologies via both downstream and upstream pathways. In the aggregate, these evidences show that the RhoA/ROCK pathway has a central role in the etiopathogenesis of a large group of CNS diseases, which underscores the importance of the pharmacological modulation of RhoA/ROCK as an important pathway to drug discovery in the neurodegenerative disease area. This article aims at providing the first review of the role of compounds acting on the RhoA/ROCK pathway in the control of synaptic disfunction.
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Affiliation(s)
- Olmo Martín-Cámara
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas. Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Ángel Cores
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas. Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Pilar López-Alvarado
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas. Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - J Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas. Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain.
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25
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Analyzing Olfactory Neuron Precursors Non-Invasively Isolated through NADH FLIM as a Potential Tool to Study Oxidative Stress in Alzheimer's Disease. Int J Mol Sci 2021; 22:ijms22126311. [PMID: 34204595 PMCID: PMC8231156 DOI: 10.3390/ijms22126311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/29/2021] [Accepted: 04/29/2021] [Indexed: 12/22/2022] Open
Abstract
Among all the proposed pathogenic mechanisms to understand the etiology of Alzheimer’s disease (AD), increased oxidative stress seems to be a robust and early disease feature where many of those hypotheses converge. However, despite the significant lines of evidence accumulated, an effective diagnosis and treatment of AD are not yet available. This limitation might be partially explained by the use of cellular and animal models that recapitulate partial aspects of the disease and do not account for the particular biology of patients. As such, cultures of patient-derived cells of peripheral origin may provide a convenient solution for this problem. Peripheral cells of neuronal lineage such as olfactory neuronal precursors (ONPs) can be easily cultured through non-invasive isolation, reproducing AD-related oxidative stress. Interestingly, the autofluorescence of key metabolic cofactors such as reduced nicotinamide adenine dinucleotide (NADH) can be highly correlated with the oxidative state and antioxidant capacity of cells in a non-destructive and label-free manner. In particular, imaging NADH through fluorescence lifetime imaging microscopy (FLIM) has greatly improved the sensitivity in detecting oxidative shifts with minimal intervention to cell physiology. Here, we discuss the translational potential of analyzing patient-derived ONPs non-invasively isolated through NADH FLIM to reveal AD-related oxidative stress. We believe this approach may potentially accelerate the discovery of effective antioxidant therapies and contribute to early diagnosis and personalized monitoring of this devastating disease.
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26
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Qiao O, Ji H, Zhang Y, Zhang X, Zhang X, Liu N, Huang L, Liu C, Gao W. New insights in drug development for Alzheimer's disease based on microglia function. Biomed Pharmacother 2021; 140:111703. [PMID: 34083109 DOI: 10.1016/j.biopha.2021.111703] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/29/2021] [Accepted: 05/05/2021] [Indexed: 12/26/2022] Open
Abstract
One of the biggest challenges in drug development for Alzheimer's disease (AD) is how to effectively remove deposits of amyloid-beta (Aβ). Recently, the relationship between microglia and Aβ has become a research hotspot. Emerging evidence suggests that Aβ-induced microglia-mediated neuroinflammation further aggravates the decline of cognitive function, while microglia are also involved in the process of Aβ clearance. Hence, microglia have become a potential therapeutic target for the treatment or prevention of AD. An in-depth understanding of the role played by microglia in the development of AD will help us to broaden therapeutic strategies for AD. In this review, we provide an overview of the dual roles of microglia in AD progression: the positive effect of phagocytosis of Aβ and its negative effect on neuroinflammation after over-activation. With the advantages of novel structure, high efficiency, and low toxicity, small-molecule compounds as modulators of microglial function have attracted considerable attention in the therapeutic areas of AD. In this review, we also summarize the therapeutic potential of small molecule compounds (SMCs) and their structure-activity relationship for AD treatment through modulating microglial phagocytosis and inhibiting neuroinflammation. For example, the position and number of phenolic hydroxyl groups on the B ring are the key to the activity of flavonoids, and the substitution of hydroxyl groups on the benzene ring enhances the anti-inflammatory activity of phenolic acids. This review is expected to be useful for developing effective modulators of microglial function from SMCs for the amelioration and treatment of AD.
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Affiliation(s)
- Ou Qiao
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
| | - Haixia Ji
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
| | - Yi Zhang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
| | - Xinyu Zhang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
| | - Xueqian Zhang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
| | - Na Liu
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
| | - Luqi Huang
- Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Changxiao Liu
- The State Key Laboratories of Pharmacodynamics and Pharmacokinetics, Tianjin 300193, China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China.
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27
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Treherne JM, Langley GR. Converging global crises are forcing the rapid adoption of disruptive changes in drug discovery. Drug Discov Today 2021; 26:2489-2495. [PMID: 34015541 PMCID: PMC8129828 DOI: 10.1016/j.drudis.2021.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 04/25/2021] [Accepted: 05/10/2021] [Indexed: 02/07/2023]
Abstract
Spiralling research costs combined with urgent pressures from the Coronavirus 2019 (COVID-19) pandemic and the consequences of climate disruption are forcing changes in drug discovery. Increasing the predictive power of in vitro human assays and using them earlier in discovery would refocus resources on more successful research strategies and reduce animal studies. Increasing laboratory automation enables effective social distancing for researchers, while allowing integrated data capture from remote laboratory networks. Such disruptive changes would not only enable more cost-effective drug discovery, but could also reduce the overall carbon footprint of discovering new drugs.
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Affiliation(s)
- J Mark Treherne
- Talisman Therapeutics Limited, Babraham Research Campus, Cambridge CB22 3AT, UK.
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28
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Martinez-Valbuena I, Valenti-Azcarate R, Amat-Villegas I, Marcilla I, Marti-Andres G, Caballero MC, Riverol M, Tuñon MT, Fraser PE, Luquin MR. Mixed pathologies in pancreatic β cells from subjects with neurodegenerative diseases and their interaction with prion protein. Acta Neuropathol Commun 2021; 9:64. [PMID: 33832546 PMCID: PMC8028740 DOI: 10.1186/s40478-021-01171-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 03/28/2021] [Indexed: 12/22/2022] Open
Abstract
Protein misfolding diseases refer to a variety of disorders that develop as a consequence of the misfolding of proteins in various organs. The etiologies of Parkinson’s and Alzheimer’s disease remain unclear, but it seems that type two diabetes and other prediabetic states could contribute to the appearance of the sporadic forms of these diseases. In addition to amylin deposition, other amyloidogenic proteins implicated in the pathophysiology of neurodegenerative diseases could have important roles in the pathogenesis of this disease. As we have previously demonstrated the presence of α-synuclein deposits in the pancreas of patients with synucleinopathies, as well as tau and Aβ deposits in the pancreatic tissue of Alzheimer’s disease patients, we studied the immunoreactivity of amylin, tau and α-synuclein in the pancreas of 138 subjects with neurodegenerative diseases or type two diabetes and assessed whether the pancreatic β-cells of these subjects present cooccurrence of misfolded proteins. Furthermore, we also assessed the pancreatic expression of prion protein (PrP) in these subjects and its interaction, both in the pancreas and brain, with α-synuclein, tau, Aβ and amylin. Our study shows, for the first time, that along with amylin, pancreatic α-synuclein, Aβ, PrP and tau may contribute together to the complex pathophysiology of type two diabetes and in the appearance of insulin resistance in Alzheimer’s and Parkinson’s disease. Furthermore, we show that the same mixed pathologies that are observed in the brains of patients with neurodegenerative diseases are also present outside the nervous system. Finally, we provide the first histological evidence of an interaction between PrP and Aβ, α-synuclein, amylin or tau in the pancreas and locus coeruleus. These findings will shed more light on the common pathological pathways shared by neurodegenerative diseases and type two diabetes, benefiting the exploration of common therapeutic strategies to prevent or treat these devastating amyloid diseases.
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29
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Amponsah AE, Guo R, Kong D, Feng B, He J, Zhang W, Liu X, Du X, Ma Z, Liu B, Ma J, Cui H. Patient-derived iPSCs, a reliable in vitro model for the investigation of Alzheimer's disease. Rev Neurosci 2021; 32:379-402. [PMID: 33550785 DOI: 10.1515/revneuro-2020-0065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 11/07/2020] [Indexed: 02/07/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease and a common cause of dementia among elderly individuals. The disease is characterized by progressive cognitive decline, accumulation of senile amyloid plaques and neurofibrillary tangles, oxidative stress, and inflammation. Human-derived cell models of AD are scarce, and over the years, non-human-derived models have been developed to recapitulate clinical AD, investigate the disease's pathogenesis and develop therapies for the disease. Several pharmacological compounds have been developed for AD based on findings from non-human-derived cell models; however, these pharmacological compounds have failed at different phases of clinical trials. This necessitates the application of human-derived cell models, such as induced pluripotent stem cells (iPSCs) in their optimized form in AD mechanistic studies and preclinical drug testing. This review provides an overview of AD and iPSCs. The AD-relevant phenotypes of iPSC-derived AD brain cells and the usefulness of iPSCs in AD are highlighted. Finally, the various recommendations that have been made to enhance iPSC/AD modelling are discussed.
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Affiliation(s)
- Asiamah Ernest Amponsah
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Ruiyun Guo
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Desheng Kong
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Baofeng Feng
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Jingjing He
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Wei Zhang
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Xin Liu
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Xiaofeng Du
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Zhenhuan Ma
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Boxin Liu
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China
| | - Jun Ma
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China.,Human Anatomy Department, Hebei Medical University, Shijiazhuang, Hebei Province050017, China
| | - Huixian Cui
- Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, Hebei Province050017, China.,Hebei Research Center for Stem Cell Medical Translational Engineering, Shijiazhuang, Hebei Province050017, China.,Human Anatomy Department, Hebei Medical University, Shijiazhuang, Hebei Province050017, China
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30
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Cenini G, Hebisch M, Iefremova V, Flitsch LJ, Breitkreuz Y, Tanzi RE, Kim DY, Peitz M, Brüstle O. Dissecting Alzheimer's disease pathogenesis in human 2D and 3D models. Mol Cell Neurosci 2021; 110:103568. [DOI: 10.1016/j.mcn.2020.103568] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/30/2020] [Accepted: 10/12/2020] [Indexed: 02/06/2023] Open
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Qu W, Yuan B, Liu J, Liu Q, Zhang X, Cui R, Yang W, Li B. Emerging role of AMPA receptor subunit GluA1 in synaptic plasticity: Implications for Alzheimer's disease. Cell Prolif 2020; 54:e12959. [PMID: 33188547 PMCID: PMC7791177 DOI: 10.1111/cpr.12959] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/23/2020] [Accepted: 10/24/2020] [Indexed: 02/06/2023] Open
Abstract
It is well established that GluA1 mediated synaptic plasticity plays a central role in the early development of AD. The complex cellular and molecular mechanisms that enable GluA1‐related synaptic regulation remain to fully understood. Particularly, understanding the mechanisms that disrupt GluA1 related synaptic plasticity is central to the development of disease‐modifying therapies which are sorely needed as the incidence of AD rises. We surmise that the published evidence establishes deficits in synaptic plasticity as a central factor of AD aetiology. We additionally highlight potential therapeutic strategies for the treatment of AD, and we delve into the roles of GluA1 in learning and memory. Particularly, we review the current understanding of the molecular interactions that confer the actions of this ubiquitous excitatory receptor subunit including post‐translational modification and accessory protein recruitment of the GluA1 subunit. These are proposed to regulate receptor trafficking, recycling, channel conductance and synaptic transmission and plasticity.
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Affiliation(s)
- Wenrui Qu
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China.,Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Baoming Yuan
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
| | - Jun Liu
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Qianqian Liu
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Xi Zhang
- Department of Burn Surgery, The First Hospital of Jilin University, Changchun, China
| | - Ranji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Wei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Bingjin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
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32
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Garcia-Leon JA, Caceres-Palomo L, Sanchez-Mejias E, Mejias-Ortega M, Nuñez-Diaz C, Fernandez-Valenzuela JJ, Sanchez-Varo R, Davila JC, Vitorica J, Gutierrez A. Human Pluripotent Stem Cell-Derived Neural Cells as a Relevant Platform for Drug Screening in Alzheimer's Disease. Int J Mol Sci 2020; 21:ijms21186867. [PMID: 32962164 PMCID: PMC7558359 DOI: 10.3390/ijms21186867] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/13/2022] Open
Abstract
Extracellular amyloid-beta deposition and intraneuronal Tau-laden neurofibrillary tangles are prime features of Alzheimer's disease (AD). The pathology of AD is very complex and still not fully understood, since different neural cell types are involved in the disease. Although neuronal function is clearly deteriorated in AD patients, recently, an increasing number of evidences have pointed towards glial cell dysfunction as one of the main causative phenomena implicated in AD pathogenesis. The complex disease pathology together with the lack of reliable disease models have precluded the development of effective therapies able to counteract disease progression. The discovery and implementation of human pluripotent stem cell technology represents an important opportunity in this field, as this system allows the generation of patient-derived cells to be used for disease modeling and therapeutic target identification and as a platform to be employed in drug discovery programs. In this review, we discuss the current studies using human pluripotent stem cells focused on AD, providing convincing evidences that this system is an excellent opportunity to advance in the comprehension of AD pathology, which will be translated to the development of the still missing effective therapies.
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Affiliation(s)
- Juan Antonio Garcia-Leon
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
- Correspondence: (J.A.G.-L.); (A.G.); Tel.: +34-952131935 (J.A.G.-L.); +34-952133344 (A.G.)
| | - Laura Caceres-Palomo
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Elisabeth Sanchez-Mejias
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Marina Mejias-Ortega
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Cristina Nuñez-Diaz
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Juan Jose Fernandez-Valenzuela
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Raquel Sanchez-Varo
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Jose Carlos Davila
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
| | - Javier Vitorica
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
- Departamento Bioquimica y Biologia Molecular, Facultad de Farmacia, Universidad de Sevilla, Instituto de Biomedicina de Sevilla (IBiS)-Hospital Universitario Virgen del Rocio/CSIC/Universidad de Sevilla, 41012 Sevilla, Spain
| | - Antonia Gutierrez
- Departamento Biologia Celular, Genetica y Fisiologia, Instituto de Investigacion Biomedica de Malaga-IBIMA, Facultad de Ciencias, Universidad de Malaga, 29071 Malaga, Spain; (L.C.-P.); (E.S.-M.); (M.M.-O.); (C.N.-D.); (J.J.F.-V.); (R.S.-V.); (J.C.D.)
- Centro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain;
- Correspondence: (J.A.G.-L.); (A.G.); Tel.: +34-952131935 (J.A.G.-L.); +34-952133344 (A.G.)
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Walsh DM, Selkoe DJ. Amyloid β-protein and beyond: the path forward in Alzheimer's disease. Curr Opin Neurobiol 2020; 61:116-124. [PMID: 32197217 DOI: 10.1016/j.conb.2020.02.003] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/30/2020] [Accepted: 02/05/2020] [Indexed: 12/13/2022]
Abstract
Basic research on the biological mechanism of Alzheimer's disease has focused for decades on the age-related aggregation of the amyloid β-protein and its apparent downstream effects on microglia, astrocytes and neurons, including the posttranslational modification of the tau protein that seems necessary for symptom expression. Here, we discuss the highly challenging process of developing disease-modifying therapies and highlight several key areas of current research that are progressing in exciting directions. We conclude that further deep molecular analyses of the disease, including the mechanisms of β-amyloidosis, will enable more effective clinical trials and ultimately achieve the progress that our patients so deserve.
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Affiliation(s)
- Dominic M Walsh
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States; Alzheimer's Disease and Dementia Research Unit, Biogen Inc., 115 Broadway, Cambridge, MA 02142, United States.
| | - Dennis J Selkoe
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States.
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Whiten DR, Brownjohn PW, Moore S, De S, Strano A, Zuo Y, Haneklaus M, Klenerman D, Livesey FJ. Tumour necrosis factor induces increased production of extracellular amyloid-β- and α-synuclein-containing aggregates by human Alzheimer's disease neurons. Brain Commun 2020; 2:fcaa146. [PMID: 33543132 PMCID: PMC7850285 DOI: 10.1093/braincomms/fcaa146] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 07/21/2020] [Accepted: 07/27/2020] [Indexed: 01/24/2023] Open
Abstract
In addition to increased aberrant protein aggregation, inflammation has been proposed as a key element in the pathogenesis and progression of Alzheimer’s disease. How inflammation interacts with other disease pathways and how protein aggregation increases during disease are not clear. We used single-molecule imaging approaches and membrane permeabilization assays to determine the effect of chronic exposure to tumour necrosis factor, a master proinflammatory cytokine, on protein aggregation in human-induced pluripotent stem cell-derived neurons harbouring monogenic Alzheimer’s disease mutations. We report that exposure of Alzheimer’s disease neurons, but not control neurons, to tumour necrosis factor induces substantial production of extracellular protein aggregates. Aggregates from Alzheimer’s disease neurons are composed of amyloid-β and α-synuclein and induce significant permeabilization of lipid membranes in an assay of pathogenicity. These findings provide support for a causal relationship between two crucial processes in Alzheimer’s disease pathogenesis and suggest that targeting inflammation, particularly tumour necrosis factor, may have beneficial downstream effects on ameliorating aberrant protein aggregation and accumulation.
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Affiliation(s)
- Daniel R Whiten
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Philip W Brownjohn
- Zayed Centre for Research into Rare Disease in Children, UCL Great Ormond Street Institute of Child Health, London WC1N 1DZ, UK
| | - Steven Moore
- Zayed Centre for Research into Rare Disease in Children, UCL Great Ormond Street Institute of Child Health, London WC1N 1DZ, UK
| | - Suman De
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Alessio Strano
- Zayed Centre for Research into Rare Disease in Children, UCL Great Ormond Street Institute of Child Health, London WC1N 1DZ, UK
| | - Yukun Zuo
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK
| | - Moritz Haneklaus
- Zayed Centre for Research into Rare Disease in Children, UCL Great Ormond Street Institute of Child Health, London WC1N 1DZ, UK
| | - David Klenerman
- Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK.,UK Dementia Research Institute at University of Cambridge, Cambridge CB2 0XY, UK
| | - Frederick J Livesey
- Zayed Centre for Research into Rare Disease in Children, UCL Great Ormond Street Institute of Child Health, London WC1N 1DZ, UK
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Scialò C, Legname G. The role of the cellular prion protein in the uptake and toxic signaling of pathological neurodegenerative aggregates. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2020; 175:297-323. [PMID: 32958237 DOI: 10.1016/bs.pmbts.2020.08.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Neurodegenerative disorders are invariably associated with intra- or extra-cellular deposition of aggregates composed of misfolded insoluble proteins. These deposits composed of tau, amyloid-β or α-synuclein spread from cell to cell, in a prion-like manner. Emerging evidence suggests that the circulating soluble species of these misfolded proteins (usually referred as oligomers) could play a major role in pathology, while insoluble aggregates would represent their protective less toxic counterparts. Convincing data support the hypothesis that the cellular prion protein, PrPC, act as a toxicity-transducing receptor for amyloid-β oligomers. As a consequence, several studies extended investigations to the role played by PrPC in binding aggregates of proteins other than Aβ, such as tau and α-synuclein, for its possible common role in mediating toxic signaling. A better characterization of the biological relevance of PrPC as key ligand and potential mediator of toxicity for multiple proteinaceous aggregated species, prions or PrPSc included, would bring relevant therapeutic implications. Here we will first describe the structure of the prion protein and the hypothesized interplay with its pathological counterpart PrPSc and then we will recapitulate the most relevant discoveries regarding the role of PrPC in the interaction with aggregated forms of other neurodegeneration-associated proteins.
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Affiliation(s)
- Carlo Scialò
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore Di Studi Avanzati (SISSA), Trieste, Italy
| | - Giuseppe Legname
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore Di Studi Avanzati (SISSA), Trieste, Italy.
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Lee C, Willerth SM, Nygaard HB. The Use of Patient-Derived Induced Pluripotent Stem Cells for Alzheimer’s Disease Modeling. Prog Neurobiol 2020; 192:101804. [DOI: 10.1016/j.pneurobio.2020.101804] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 03/31/2020] [Accepted: 04/09/2020] [Indexed: 01/10/2023]
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Caneus J, Akanda N, Rumsey JW, Guo X, Jackson M, Long CJ, Sommerhage F, Georgieva S, Kanaan NM, Morgan D, Hickman JJ. A human induced pluripotent stem cell-derived cortical neuron human-on-a chip system to study Aβ 42 and tau-induced pathophysiological effects on long-term potentiation. ALZHEIMER'S & DEMENTIA (NEW YORK, N. Y.) 2020; 6:e12029. [PMID: 32490141 PMCID: PMC7253154 DOI: 10.1002/trc2.12029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 03/26/2020] [Accepted: 04/26/2020] [Indexed: 12/28/2022]
Abstract
INTRODUCTION The quest to identify an effective therapeutic strategy for neurodegenerative diseases, such as mild congitive impairment (MCI) and Alzheimer's disease (AD), suffers from the lack of good human-based models. Animals represent the most common models used in basic research and drug discovery studies. However, safe and effective compounds identified in animal studies often translate poorly to humans, yielding unsuccessful clinical trials. METHODS A functional in vitro assay based on long-term potentiation (LTP) was used to demonstrate that exposure to amyloid beta (Aβ42) and tau oligomers, or brain extracts from AD transgenic mice led to prominent changes in human induced pluripotent stem cells (hiPSC)-derived cortical neurons, notably, without cell death. RESULTS Impaired information processing was demonstrated by treatment of neuron-MEA (microelectrode array) systems with the oligomers and brain extracts by reducing the effects of LTP induction. These data confirm the neurotoxicity of molecules linked to AD pathology and indicate the utility of this human-based system to model aspects of AD in vitro and study LTP deficits without loss of viability; a phenotype that more closely models the preclinical or early stage of AD. DISCUSSION In this study, by combining multiple relevant and important molecular and technical aspects of neuroscience research, we generated a new, fully human in vitro system to model and study AD at the preclinical stage. This system can serve as a novel drug discovery platform to identify compounds that rescue or alleviate the initial neuronal deficits caused by Aβ42 and/or tau oligomers, a main focus of clinical trials.
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Affiliation(s)
- Julbert Caneus
- NanoScience Technology CenterUniversity of Central FloridaOrlandoFloridaUSA
| | - Nesar Akanda
- NanoScience Technology CenterUniversity of Central FloridaOrlandoFloridaUSA
| | | | - Xiufang Guo
- NanoScience Technology CenterUniversity of Central FloridaOrlandoFloridaUSA
| | | | | | - Frank Sommerhage
- NanoScience Technology CenterUniversity of Central FloridaOrlandoFloridaUSA
| | - Sanya Georgieva
- NanoScience Technology CenterUniversity of Central FloridaOrlandoFloridaUSA
| | - Nicholas M. Kanaan
- Department of Translational NeuroscienceMichigan State UniversityCollege of Human Medicine, Grand Rapids Research CenterGrand RapidsMichiganUSA
| | - David Morgan
- Department of Translational NeuroscienceMichigan State UniversityCollege of Human Medicine, Grand Rapids Research CenterGrand RapidsMichiganUSA
| | - James J. Hickman
- NanoScience Technology CenterUniversity of Central FloridaOrlandoFloridaUSA
- Hesperos Inc.OrlandoFloridaUSA
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Ahmad S, Milan MDC, Hansson O, Demirkan A, Agustin R, Sáez ME, Giagtzoglou N, Cabrera-Socorro A, Bakker MHM, Ramirez A, Hankemeier T, Stomrud E, Mattsson-Carlgren N, Scheltens P, van der Flier WM, Ikram MA, Malarstig A, Teunissen CE, Amin N, van Duijn CM. CDH6 and HAGH protein levels in plasma associate with Alzheimer's disease in APOE ε4 carriers. Sci Rep 2020; 10:8233. [PMID: 32427856 PMCID: PMC7237496 DOI: 10.1038/s41598-020-65038-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 04/24/2020] [Indexed: 02/06/2023] Open
Abstract
Many Alzheimer’s disease (AD) genes including Apolipoprotein E (APOE) are found to be expressed in blood-derived macrophages and thus may alter blood protein levels. We measured 91 neuro-proteins in plasma from 316 participants of the Rotterdam Study (incident AD = 161) using Proximity Extension Ligation assay. We studied the association of plasma proteins with AD in the overall sample and stratified by APOE. Findings from the Rotterdam study were replicated in 186 AD patients of the BioFINDER study. We further evaluated the correlation of these protein biomarkers with total tau (t-tau), phosphorylated tau (p-tau) and amyloid-beta (Aβ) 42 levels in cerebrospinal fluid (CSF) in the Amsterdam Dementia Cohort (N = 441). Finally, we conducted a genome-wide association study (GWAS) to identify the genetic variants determining the blood levels of AD-associated proteins. Plasma levels of the proteins, CDH6 (β = 0.638, P = 3.33 × 10−4) and HAGH (β = 0.481, P = 7.20 × 10−4), were significantly elevated in APOE ε4 carrier AD patients. The findings in the Rotterdam Study were replicated in the BioFINDER study for both CDH6 (β = 1.365, P = 3.97 × 10−3) and HAGH proteins (β = 0.506, P = 9.31 × 10−7) when comparing cases and controls in APOE ε4 carriers. In the CSF, CDH6 levels were positively correlated with t-tau and p-tau in the total sample as well as in APOE ε4 stratum (P < 1 × 10−3). The HAGH protein was not detected in CSF. GWAS of plasma CDH6 protein levels showed significant association with a cis-regulatory locus (rs111283466, P = 1.92 × 10−9). CDH6 protein is implicated in cell adhesion and synaptogenesis while HAGH protein is related to the oxidative stress pathway. Our findings suggest that these pathways may be altered during presymptomatic AD and that CDH6 and HAGH may be new blood-based biomarkers.
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Affiliation(s)
- Shahzad Ahmad
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.
| | - Marta Del Campo Milan
- Neurochemistry laboratory, Department of Clinical Chemistry, Amsterdam Neuroscience, Amsterdam University Medical Centers (AUMC), Vrije Universiteit, Amsterdam, The Netherlands
| | - Oskar Hansson
- Clinical Memory Research Unit, Faculty of Medicine, Lund University, Lund, Sweden.,Memory Clinic, Skåne University Hospital, Malmö, Sweden
| | - Ayse Demirkan
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ruiz Agustin
- Research Center and Memory clinic Fundació ACE. Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain.,CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, National Institute of Health Carlos III, Madrid, Spain
| | - Maria E Sáez
- Centro Andaluz de Estudios Bioinformáticos CAEBi, Sevilla, Spain
| | | | | | - Margot H M Bakker
- Discovery Research, AbbVie Deutschland GmbH & Co. KG, Knollstrasse, 67061, Ludwigshafen, Germany
| | - Alfredo Ramirez
- Department of Neurodegeneration and Geriatric Psychiatry, University of Bonn, 53127, Bonn, Germany.,Division of Neurogenetics and Molecular Psychiatry, Department of Psychiatry and Psychotherapy, University of Cologne, Medical Faculty, 50937, Cologne, Germany.,German Center for Neurodegenerative Diseases (DZNE), 53127, Bonn, Germany
| | - Thomas Hankemeier
- Division of Systems Biomedicine and Pharmacology, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
| | - Erik Stomrud
- Clinical Memory Research Unit, Faculty of Medicine, Lund University, Lund, Sweden.,Memory Clinic, Skåne University Hospital, Malmö, Sweden
| | - Niklas Mattsson-Carlgren
- Clinical Memory Research Unit, Faculty of Medicine, Lund University, Lund, Sweden.,Memory Clinic, Skåne University Hospital, Malmö, Sweden
| | - Philip Scheltens
- Alzheimer center Amsterdam, Department of Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, UMC, The Netherlands
| | - Wiesje M van der Flier
- Alzheimer center Amsterdam, Department of Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, UMC, The Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Anders Malarstig
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Pfizer Worldwide R&D, Stockholm, Sweden
| | - Charlotte E Teunissen
- Neurochemistry laboratory, Department of Clinical Chemistry, Amsterdam Neuroscience, Amsterdam University Medical Centers (AUMC), Vrije Universiteit, Amsterdam, The Netherlands
| | - Najaf Amin
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Cornelia M van Duijn
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands. .,Nuffield Department of Population Health, Oxford University, Oxford, UK.
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Corsetti V, Borreca A, Latina V, Giacovazzo G, Pignataro A, Krashia P, Natale F, Cocco S, Rinaudo M, Malerba F, Florio R, Ciarapica R, Coccurello R, D’Amelio M, Ammassari-Teule M, Grassi C, Calissano P, Amadoro G. Passive immunotherapy for N-truncated tau ameliorates the cognitive deficits in two mouse Alzheimer's disease models. Brain Commun 2020; 2:fcaa039. [PMID: 32954296 PMCID: PMC7425324 DOI: 10.1093/braincomms/fcaa039] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 02/05/2020] [Accepted: 02/12/2020] [Indexed: 12/12/2022] Open
Abstract
Clinical and neuropathological studies have shown that tau pathology better correlates with the severity of dementia than amyloid plaque burden, making tau an attractive target for the cure of Alzheimer's disease. We have explored whether passive immunization with the 12A12 monoclonal antibody (26-36aa of tau protein) could improve the Alzheimer's disease phenotype of two well-established mouse models, Tg2576 and 3xTg mice. 12A12 is a cleavage-specific monoclonal antibody which selectively binds the pathologically relevant neurotoxic NH226-230 fragment (i.e. NH2htau) of tau protein without cross-reacting with its full-length physiological form(s). We found out that intravenous administration of 12A12 monoclonal antibody into symptomatic (6 months old) animals: (i) reaches the hippocampus in its biologically active (antigen-binding competent) form and successfully neutralizes its target; (ii) reduces both pathological tau and amyloid precursor protein/amyloidβ metabolisms involved in early disease-associated synaptic deterioration; (iii) improves episodic-like type of learning/memory skills in hippocampal-based novel object recognition and object place recognition behavioural tasks; (iv) restores the specific up-regulation of the activity-regulated cytoskeleton-associated protein involved in consolidation of experience-dependent synaptic plasticity; (v) relieves the loss of dendritic spine connectivity in pyramidal hippocampal CA1 neurons; (vi) rescues the Alzheimer's disease-related electrophysiological deficits in hippocampal long-term potentiation at the CA3-CA1 synapses; and (vii) mitigates the neuroinflammatory response (reactive gliosis). These findings indicate that the 20-22 kDa NH2-terminal tau fragment is crucial target for Alzheimer's disease therapy and prospect immunotherapy with 12A12 monoclonal antibody as safe (normal tau-preserving), beneficial approach in contrasting the early Amyloidβ-dependent and independent neuropathological and cognitive alterations in affected subjects.
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Affiliation(s)
| | - Antonella Borreca
- Humanitas University Laboratory of Pharmacology and Brain Pathology, Neuro Center, 20089 Milan, Italy
- Institute of Neuroscience, 20129 Milan, Italy
| | | | | | | | - Paraskevi Krashia
- IRCSS Santa Lucia Foundation, 00143 Rome, Italy
- Department of Medicine, University Campus Bio-Medico, 00128 Rome, Italy
- Department of Science and Technology for Humans and Environment, University Campus Bio-medico, 00128 Rome, Italy
| | - Francesca Natale
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Sara Cocco
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Marco Rinaudo
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | | | - Rita Florio
- European Brain Research Institute (EBRI), 00161 Rome, Italy
| | | | - Roberto Coccurello
- IRCSS Santa Lucia Foundation, 00143 Rome, Italy
- Institute for Complex Systems (ISC), CNR, 00185 Rome, Italy
| | - Marcello D’Amelio
- IRCSS Santa Lucia Foundation, 00143 Rome, Italy
- Department of Medicine, University Campus Bio-Medico, 00128 Rome, Italy
- Department of Science and Technology for Humans and Environment, University Campus Bio-medico, 00128 Rome, Italy
| | | | - Claudio Grassi
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Institute of Human Physiology, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | | | - Giuseppina Amadoro
- European Brain Research Institute (EBRI), 00161 Rome, Italy
- Institute of Translational Pharmacology (IFT)–National Research Council (CNR), 00133 Rome, Italy
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Jeske R, Bejoy J, Marzano M, Li Y. Human Pluripotent Stem Cell-Derived Extracellular Vesicles: Characteristics and Applications. TISSUE ENGINEERING. PART B, REVIEWS 2020; 26:129-144. [PMID: 31847715 PMCID: PMC7187972 DOI: 10.1089/ten.teb.2019.0252] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 12/16/2019] [Indexed: 02/06/2023]
Abstract
Extracellular vesicles (EVs), including exosomes and microvesicles, are found to play an important role in various biological processes and maintaining tissue homeostasis. Because of the protective effects, stem cell-derived EVs can be used to reduce oxidative stress and apoptosis in the recipient cells. In addition, EVs/exosomes have been used as directional communication tools between stem cells and parenchymal cells, giving them the ability to serve as biomarkers. Likewise, altered EVs/exosomes can be utilized for drug delivery by loading with proteins, small interfering RNAs, and viral vectors, in particular, because EVs/exosomes are able to cross the blood-brain barrier. In this review article, the properties of human induced pluripotent stem cell (iPSC)-derived EVs are discussed. The biogenesis, that is, how EVs originate in the endosomal compartment or from the cell layer of microvesicles, EV composition, the available methods of purification, and characterizations of EVs/exosomes are summarized. In particular, EVs/exosomes derived from iPSCs of different lineage specifications and the applications of these stem cell-derived exosomes in neurological diseases are discussed. Impact statement In this review, we summarized the work related to extracellular vesicles (EVs) derived from human pluripotent stem cells (hPSCs). In particular, EVs/exosomes derived from hPSCs of different lineage specifications and the applications of these stem cell-derived exosomes in neurological diseases are discussed. The results highlight the important role of cell-cell interactions in neural cellular phenotype and neurodegeneration. The findings reported in this article are significant for pluripotent stem cell-derived cell-free products toward applications in stem cell-based therapies.
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Affiliation(s)
- Richard Jeske
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida
| | - Julie Bejoy
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida
| | - Mark Marzano
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida
| | - Yan Li
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida
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41
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Yan Y, Yang H, Xie Y, Ding Y, Kong D, Yu H. Research Progress on Alzheimer's Disease and Resveratrol. Neurochem Res 2020; 45:989-1006. [PMID: 32162143 DOI: 10.1007/s11064-020-03007-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 02/27/2020] [Accepted: 03/03/2020] [Indexed: 12/13/2022]
Abstract
Alzheimer's disease (AD), a common irreversible neurodegenerative disease characterized by amyloid-β plaques, neurofibrillary tangles, and changes in tau phosphorylation, is accompanied by memory loss and symptoms of cognitive dysfunction. Increases in disease incidence due to the ageing of the population have placed a great burden on society. To date, the mechanism of AD and the identities of adequate drugs for AD prevention and treatment have eluded the medical community. It has been confirmed that phytochemicals have certain neuroprotective effects against AD. For example, some progress has been made in research on the use of resveratrol, a natural polyphenolic phytochemical, for the prevention and treatment of AD in recent years. Elucidation of the pathogenesis of AD will create a solid foundation for drug treatment. In addition, research on resveratrol, including its mechanism of action, the roles of signalling pathways and its therapeutic targets, will provide new ideas for AD treatment, which is of great significance. In this review, we discuss the possible relationships between AD and the following factors: synapses, α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-type glutamate receptors (AMPARs), silent information regulator 1 (SIRT1), and estrogens. We also discuss the findings of previous studies regarding these relationships in the context of AD treatment and further summarize research progress related to resveratrol treatment.
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Affiliation(s)
- Yan Yan
- The Department of Epidemiology and Health Statistics, Public Health School of Guangdong Medical University, Dongguan, 523808, Guangdong, China
| | - Huihuang Yang
- The Department of Epidemiology and Health Statistics, Public Health School of Guangdong Medical University, Dongguan, 523808, Guangdong, China
| | - Yuxun Xie
- The Department of Epidemiology and Health Statistics, Public Health School of Guangdong Medical University, Dongguan, 523808, Guangdong, China
| | - Yuanlin Ding
- The Department of Epidemiology and Health Statistics, Public Health School of Guangdong Medical University, Dongguan, 523808, Guangdong, China
| | - Danli Kong
- The Department of Epidemiology and Health Statistics, Public Health School of Guangdong Medical University, Dongguan, 523808, Guangdong, China.
| | - Haibing Yu
- The Department of Epidemiology and Health Statistics, Public Health School of Guangdong Medical University, Dongguan, 523808, Guangdong, China.
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42
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Corbett GT, Wang Z, Hong W, Colom-Cadena M, Rose J, Liao M, Asfaw A, Hall TC, Ding L, DeSousa A, Frosch MP, Collinge J, Harris DA, Perkinton MS, Spires-Jones TL, Young-Pearse TL, Billinton A, Walsh DM. PrP is a central player in toxicity mediated by soluble aggregates of neurodegeneration-causing proteins. Acta Neuropathol 2020; 139:503-526. [PMID: 31853635 PMCID: PMC7035229 DOI: 10.1007/s00401-019-02114-9] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/10/2019] [Accepted: 12/10/2019] [Indexed: 12/30/2022]
Abstract
Neurodegenerative diseases are an enormous public health problem, affecting tens of millions of people worldwide. Nearly all of these diseases are characterized by oligomerization and fibrillization of neuronal proteins, and there is great interest in therapeutic targeting of these aggregates. Here, we show that soluble aggregates of α-synuclein and tau bind to plate-immobilized PrP in vitro and on mouse cortical neurons, and that this binding requires at least one of the same N-terminal sites at which soluble Aβ aggregates bind. Moreover, soluble aggregates of tau, α-synuclein and Aβ cause both functional (impairment of LTP) and structural (neuritic dystrophy) compromise and these deficits are absent when PrP is ablated, knocked-down, or when neurons are pre-treated with anti-PrP blocking antibodies. Using an all-human experimental paradigm involving: (1) isogenic iPSC-derived neurons expressing or lacking PRNP, and (2) aqueous extracts from brains of individuals who died with Alzheimer's disease, dementia with Lewy bodies, and Pick's disease, we demonstrate that Aβ, α-synuclein and tau are toxic to neurons in a manner that requires PrPC. These results indicate that PrP is likely to play an important role in a variety of late-life neurodegenerative diseases and that therapeutic targeting of PrP, rather than individual disease proteins, may have more benefit for conditions which involve the aggregation of more than one protein.
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Affiliation(s)
- Grant T Corbett
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Zemin Wang
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Wei Hong
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Marti Colom-Cadena
- Centre for Discovery Brain Sciences and UK Dementia Research Institute, University of Edinburgh, Edinburgh, EH89JZ, UK
| | - Jamie Rose
- Centre for Discovery Brain Sciences and UK Dementia Research Institute, University of Edinburgh, Edinburgh, EH89JZ, UK
| | - Meichen Liao
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Adhana Asfaw
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Tia C Hall
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Lai Ding
- Program for Interdisciplinary Neuroscience, Brigham and Women's Hospital, Boston, MA, 02115, USA
| | - Alexandra DeSousa
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Matthew P Frosch
- Massachusetts General Institute for Neurodegenerative Disease, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, 02129, USA
| | - John Collinge
- MRC Prion Unit at UCL, UCL Institute of Prion Diseases, National Hospital for Neurology and Neurosurgery, Queen Square, London, WC1N 3BG, UK
| | - David A Harris
- Department of Biochemistry, Boston University School of Medicine, Boston, MA, 02118, USA
| | | | - Tara L Spires-Jones
- Centre for Discovery Brain Sciences and UK Dementia Research Institute, University of Edinburgh, Edinburgh, EH89JZ, UK
| | - Tracy L Young-Pearse
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Andrew Billinton
- Neuroscience, IMED Biotechnology Unit, AstraZeneca, Cambridge, CB21 6GH, UK
| | - Dominic M Walsh
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Hale Building for Transformative Medicine, 60 Fenwood Road, Boston, MA, 02115, USA.
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43
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Griffin K, Bejoy J, Song L, Hua T, Marzano M, Jeske R, Sang QXA, Li Y. Human Stem Cell-derived Aggregates of Forebrain Astroglia Respond to Amyloid Beta Oligomers. Tissue Eng Part A 2019; 26:527-542. [PMID: 31696783 DOI: 10.1089/ten.tea.2019.0227] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Astrocytes are vital components in neuronal circuitry and there is increasing evidence linking the dysfunction of these cells to a number of central nervous system diseases. Studying the role of these cells in human brain function in the past has been difficult due to limited access to the human brain. In this study, human induced pluripotent stem cells were differentiated into astrospheres using a hybrid plating method, with or without dual SMAD inhibition. The derived cells were assessed for astrocytic markers, brain regional identity, phagocytosis, calcium-transient signaling, reactive oxygen species production, and immune response. Neural degeneration was modeled by stimulation with amyloid-β (Aβ) 42 oligomers. Finally, co-culture was performed for the derived astrospheres with isogenic neurospheres. Results indicate that the derived astroglial cells express astrocyte markers with forebrain dorsal cortical identity, secrete extracellular matrix, and are capable of phagocytosing iron oxide particles and responding to Aβ42 stimulation (higher oxidative stress, higher TNF-α, and IL-6 expression). RNA-sequencing results reveal the distinct transcriptome of the derived cells responding to Aβ42 stimulation for astrocyte markers, chemokines, and brain regional identity. Co-culture experiments show the synaptic activities of neurons and the enhanced neural protection ability of the astroglial cells. This study provides knowledge about the roles of brain astroglial cells, heterotypic cell-cell interactions, and the formation of engineered neuronal synapses in vitro. The implications lie in neurological disease modeling, drug screening, and studying progression of neural degeneration and the role of stem cell microenvironment. Impact Statement Human pluripotent stem cell-derived astrocytes are a powerful tool for disease modeling and drug screening. However, the properties regarding brain regional identity and the immune response to neural degeneration stimulus have not been well characterized. Results of this study indicate that the derived astroglial cells express astrocyte markers with forebrain dorsal cortical identity, secrete extracellular matrix (ECM), and are capable of phagocytosing iron oxide particles and responding to amyloid-β oligomers, showing the distinct transcriptome in astrocyte markers, chemokines, and brain regional identity. This study provides knowledge about the roles of brain astroglial cells, heterotypic cell-cell interactions, and engineering neural tissues in vitro.
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Affiliation(s)
- Kyle Griffin
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida, USA
| | - Julie Bejoy
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida, USA
| | - Liqing Song
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida, USA
| | - Thien Hua
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida, USA
| | - Mark Marzano
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida, USA
| | - Richard Jeske
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida, USA
| | - Qing-Xiang Amy Sang
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida, USA.,Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, USA
| | - Yan Li
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida, USA.,Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, USA
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44
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Pickett EK, Herrmann AG, McQueen J, Abt K, Dando O, Tulloch J, Jain P, Dunnett S, Sohrabi S, Fjeldstad MP, Calkin W, Murison L, Jackson RJ, Tzioras M, Stevenson A, d'Orange M, Hooley M, Davies C, Colom-Cadena M, Anton-Fernandez A, King D, Oren I, Rose J, McKenzie CA, Allison E, Smith C, Hardt O, Henstridge CM, Hardingham GE, Spires-Jones TL. Amyloid Beta and Tau Cooperate to Cause Reversible Behavioral and Transcriptional Deficits in a Model of Alzheimer's Disease. Cell Rep 2019; 29:3592-3604.e5. [PMID: 31825838 PMCID: PMC6915767 DOI: 10.1016/j.celrep.2019.11.044] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 08/16/2019] [Accepted: 11/11/2019] [Indexed: 02/08/2023] Open
Abstract
A key knowledge gap blocking development of effective therapeutics for Alzheimer's disease (AD) is the lack of understanding of how amyloid beta (Aβ) peptide and pathological forms of the tau protein cooperate in causing disease phenotypes. Within a mouse tau-deficient background, we probed the molecular, cellular, and behavioral disruption triggered by the influence of wild-type human tau on human Aβ-induced pathology. We find that Aβ and tau work cooperatively to cause a hyperactivity behavioral phenotype and to cause downregulation of transcription of genes involved in synaptic function. In both our mouse model and human postmortem tissue, we observe accumulation of pathological tau in synapses, supporting the potential importance of synaptic tau. Importantly, tau reduction in the mice initiated after behavioral deficits emerge corrects behavioral deficits, reduces synaptic tau levels, and substantially reverses transcriptional perturbations, suggesting that lowering synaptic tau levels may be beneficial in AD.
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Affiliation(s)
- Eleanor K Pickett
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Abigail G Herrmann
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Jamie McQueen
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Kimberly Abt
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Owen Dando
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Jane Tulloch
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Pooja Jain
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Sophie Dunnett
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Sadaf Sohrabi
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Maria P Fjeldstad
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Will Calkin
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Leo Murison
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Rosemary J Jackson
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA
| | - Makis Tzioras
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Anna Stevenson
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Marie d'Orange
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Monique Hooley
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Caitlin Davies
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Marti Colom-Cadena
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Alejandro Anton-Fernandez
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Declan King
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Iris Oren
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Jamie Rose
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Chris-Anne McKenzie
- Centre for Clinical Brain Sciences and Sudden Death Brain Bank, University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Elizabeth Allison
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Colin Smith
- Centre for Clinical Brain Sciences and Sudden Death Brain Bank, University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Oliver Hardt
- McGill University Department of Psychology, Montreal QC H3A 1B1, Canada; The University of Edinburgh Simons Initiative for the Developing Brain, George Square, Edinburgh EH8 9JZ, UK
| | - Christopher M Henstridge
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK
| | - Giles E Hardingham
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK
| | - Tara L Spires-Jones
- The University of Edinburgh Centre for Discovery Brain Sciences, 1 George Square, Edinburgh EH8 9JZ, UK; UK Dementia Research Institute at Edinburgh, George Square, Edinburgh EH8 9JZ, UK.
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45
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Gomes LA, Hipp SA, Rijal Upadhaya A, Balakrishnan K, Ospitalieri S, Koper MJ, Largo-Barrientos P, Uytterhoeven V, Reichwald J, Rabe S, Vandenberghe R, von Arnim CAF, Tousseyn T, Feederle R, Giudici C, Willem M, Staufenbiel M, Thal DR. Aβ-induced acceleration of Alzheimer-related τ-pathology spreading and its association with prion protein. Acta Neuropathol 2019; 138:913-941. [PMID: 31414210 DOI: 10.1007/s00401-019-02053-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 07/26/2019] [Accepted: 07/31/2019] [Indexed: 12/15/2022]
Abstract
Extracellular deposition of amyloid β-protein (Aβ) in amyloid plaques and intracellular accumulation of abnormally phosphorylated τ-protein (p-τ) in neurofibrillary tangles (NFTs) represent pathological hallmark lesions of Alzheimer's disease (AD). Both lesions develop in parallel in the human brain throughout the preclinical and clinical course of AD. Nevertheless, it is not yet clear whether there is a direct link between Aβ and τ pathology or whether other proteins are involved in this process. To address this question, we crossed amyloid precursor protein (APP) transgenic mice overexpressing human APP with the Swedish mutation (670/671 KM → NL) (APP23), human wild-type APP (APP51/16), or a proenkephalin signal peptide linked to human Aβ42 (APP48) with τ-transgenic mice overexpressing human mutant 4-repeat τ-protein with the P301S mutation (TAU58). In 6-month-old APP23xTAU58 and APP51/16xTAU58 mice, soluble Aβ was associated with the aggravation of p-τ pathology propagation into the CA1/subiculum region, whereas 6-month-old TAU58 and APP48xTAU58 mice neither exhibited significant amounts of p-τ pathology in the CA1/subiculum region nor displayed significant levels of soluble Aβ in the forebrain. In APP23xTAU58 and APP51/16xTAU58 mice showing an acceleration of p-τ propagation, Aβ and p-τ were co-immunoprecipitated with cellular prion protein (PrPC). A similar interaction between PrPC, p-τ and Aβ was observed in human AD brains. This association was particularly noticed in 60% of the symptomatic AD cases in our sample, suggesting that PrPC may play a role in the progression of AD pathology. An in vitro pull-down assay confirmed that PrPC is capable of interacting with Aβ and p-τ. Using a proximity ligation assay, we could demonstrate proximity (less than ~ 30-40 nm distance) between PrPC and Aβ and between PrPC and p-τ in APP23xTAU58 mouse brain as well as in human AD brain. Proximity between PrPC and p-τ was also seen in APP51/16xTAU58, APP48xTAU58, and TAU58 mice. Based on these findings, it is tempting to speculate that PrPC is a critical player in the interplay between Aβ and p-τ propagation at least in a large group of AD cases. Preexisting p-τ pathology interacting with PrPC, thereby, appears to be a prerequisite for Aβ to function as a p-τ pathology accelerator via PrPC.
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Affiliation(s)
- Luis Aragão Gomes
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
| | - Silvia Andrea Hipp
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany
- Anasthesiology and Intensive Medicine, University Hospital of Tübingen, Tübingen, Germany
| | - Ajeet Rijal Upadhaya
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany
| | - Karthikeyan Balakrishnan
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany
- Department of Gene Therapy, University of Ulm, Ulm, Germany
| | - Simona Ospitalieri
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
| | - Marta J Koper
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
- Laboratory for the Research of Neurodegenerative Diseases, Department of Neurosciences, KU Leuven (University of Leuven), Leuven, Belgium
- VIB, Center for Brain and Disease Research, Leuven, Belgium
| | - Pablo Largo-Barrientos
- VIB, Center for Brain and Disease Research, Leuven, Belgium
- Department of Neurosciences, KU-Leuven, Leuven, Belgium
| | - Valerie Uytterhoeven
- VIB, Center for Brain and Disease Research, Leuven, Belgium
- Department of Neurosciences, KU-Leuven, Leuven, Belgium
| | - Julia Reichwald
- Novartis Institutes for Biomedical Sciences, Basel, Switzerland
| | - Sabine Rabe
- Novartis Institutes for Biomedical Sciences, Basel, Switzerland
| | - Rik Vandenberghe
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
- Experimental Neurology Group, Department of Neurosciences, KU Leuven, Leuven, Belgium
- Department of Neurology, UZ-Leuven, Leuven, Belgium
| | - Christine A F von Arnim
- Department of Neurology, University of Ulm, Ulm, Germany
- Clinic for Neurogeriatrics and Neurological Rehabilitation, University- und Rehabilitation Hospital Ulm (RKU), Ulm, Germany
| | | | - Regina Feederle
- Institute for Diabetes and Obesity, Monoclonal Antibody Research Group, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Munich, Germany
- German Center for Neurodegenerative Diseases (DZNE) Munich, 81377, Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany
| | - Camilla Giudici
- German Center for Neurodegenerative Diseases (DZNE) Munich, 81377, Munich, Germany
| | - Michael Willem
- Chair of Metabolic Biochemistry, Biomedical Center (BMC), Faculty of Medicine, Ludwig-Maximilians-University Munich, 81377, Munich, Germany
| | | | - Dietmar Rudolf Thal
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium.
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium.
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany.
- Department of Pathology, UZ Leuven, Leuven, Belgium.
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46
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Amadoro G, Latina V, Corsetti V, Calissano P. N-terminal tau truncation in the pathogenesis of Alzheimer's disease (AD): Developing a novel diagnostic and therapeutic approach. Biochim Biophys Acta Mol Basis Dis 2019; 1866:165584. [PMID: 31676377 DOI: 10.1016/j.bbadis.2019.165584] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 09/23/2019] [Accepted: 09/24/2019] [Indexed: 01/04/2023]
Abstract
Tau truncation occurs at early stages during the development of human Alzheimer's disease (AD) and other tauopathy dementias. Tau cleavage, particularly in its N-terminal projection domain, is able to drive per se neurodegeneration, regardless of its pro-aggregative pathway(s) and in fragment(s)-dependent way. In this short review, we highlight the pathological relevance of the 20-22 kDa NH2-truncated tau fragment which is endowed with potent neurotoxic "gain-of-function" action(s), both in vitro and in vivo. An extensive comment on its clinical value as novel progression/diagnostic biomarker and potential therapeutic target in the context of tau-mediated neurodegeneration is also provided.
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Affiliation(s)
- G Amadoro
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy; Institute of Translational Pharmacology (IFT)-CNR, Via Fosso del Cavaliere 100, 00133 Rome, Italy.
| | - V Latina
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy
| | - V Corsetti
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy
| | - P Calissano
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy
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47
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Pernègre C, Duquette A, Leclerc N. Tau Secretion: Good and Bad for Neurons. Front Neurosci 2019; 13:649. [PMID: 31293374 PMCID: PMC6606725 DOI: 10.3389/fnins.2019.00649] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 06/06/2019] [Indexed: 01/20/2023] Open
Abstract
In Alzheimer’s disease (AD), neurofibrillary tangles (NFTs), lesions composed of hyperphosphorylated and aggregated tau, spread from the transentorhinal cortex to the hippocampal formation and neocortex. Growing evidence indicates that tau pathology propagates trans-synaptically, implying that pathological tau released by pre-synaptic neurons is taken up by post-synaptic neurons where it accumulates and aggregates. Observations such as the presence of tau in the cerebrospinal fluid (CSF) from control individuals and in the CSF of transgenic mice overexpressing human tau before the detection of neuronal death indicate that tau can be secreted by neurons. The increase of tau in the CSF in pathological conditions such as AD suggests that tau secretion is enhanced and/or other secretory pathways take place when neuronal function is compromised. In physiological conditions, extracellular tau could exert beneficial effects as observed for other cytosolic proteins also released in the extracellular space. In such a case, blocking tau secretion could have negative effects on neurons unless the mechanism of tau secretion are different in physiological and pathological conditions allowing the prevention of pathological tau secretion without affecting the secretion of physiological tau. Furthermore, distinct extracellular tau species could be secreted in physiological and pathological conditions, species having the capacity to induce tau pathology being only secreted in the latter condition. In the present review, we will focus on the mechanisms and function of tau secretion in both physiological and pathological conditions and how this information can help to elaborate an efficient therapeutic strategy to prevent tau pathology and its propagation.
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Affiliation(s)
- Camille Pernègre
- Research Centre of the University of Montreal Hospital (CRCHUM), Montréal, QC, Canada.,Département de Neurosciences, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Antoine Duquette
- Research Centre of the University of Montreal Hospital (CRCHUM), Montréal, QC, Canada.,Département de Neurosciences, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Nicole Leclerc
- Research Centre of the University of Montreal Hospital (CRCHUM), Montréal, QC, Canada.,Département de Neurosciences, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
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Rösler TW, Tayaranian Marvian A, Brendel M, Nykänen NP, Höllerhage M, Schwarz SC, Hopfner F, Koeglsperger T, Respondek G, Schweyer K, Levin J, Villemagne VL, Barthel H, Sabri O, Müller U, Meissner WG, Kovacs GG, Höglinger GU. Four-repeat tauopathies. Prog Neurobiol 2019; 180:101644. [PMID: 31238088 DOI: 10.1016/j.pneurobio.2019.101644] [Citation(s) in RCA: 131] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/21/2019] [Accepted: 06/12/2019] [Indexed: 02/08/2023]
Abstract
Tau is a microtubule-associated protein with versatile functions in the dynamic assembly of the neuronal cytoskeleton. Four-repeat (4R-) tauopathies are a group of neurodegenerative diseases defined by cytoplasmic inclusions predominantly composed of tau protein isoforms with four microtubule-binding domains. Progressive supranuclear palsy, corticobasal degeneration, argyrophilic grain disease or glial globular tauopathy belong to the group of 4R-tauopathies. The present review provides an introduction in the current concept of 4R-tauopathies, including an overview of the neuropathological and clinical spectrum of these diseases. It describes the genetic and environmental etiological factors, as well as the contemporary knowledge about the pathophysiological mechanisms, including post-translational modifications, aggregation and fragmentation of tau, as well as the role of protein degradation mechanisms. Furthermore, current theories about disease propagation are discussed, involving different extracellular tau species and their cellular release and uptake mechanisms. Finally, molecular diagnostic tools for 4R-tauopathies, including tau-PET and fluid biomarkers, and investigational therapeutic strategies are presented. In summary, we report on 4R-tauopathies as overarching disease concept based on a shared pathophysiological concept, and highlight the challenges and opportunities on the way towards a causal therapy.
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Affiliation(s)
- Thomas W Rösler
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Dept. of Neurology, Technical University of Munich, School of Medicine, 81675 Munich, Germany
| | - Amir Tayaranian Marvian
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Dept. of Neurology, Technical University of Munich, School of Medicine, 81675 Munich, Germany
| | - Matthias Brendel
- Dept. of Nuclear Medicine, University of Munich, 81377 Munich, Germany
| | - Niko-Petteri Nykänen
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany
| | - Matthias Höllerhage
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Dept. of Neurology, Technical University of Munich, School of Medicine, 81675 Munich, Germany
| | - Sigrid C Schwarz
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany
| | | | - Thomas Koeglsperger
- Dept. of Neurology, University of Munich, 81377 Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany
| | - Gesine Respondek
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Dept. of Neurology, Technical University of Munich, School of Medicine, 81675 Munich, Germany
| | - Kerstin Schweyer
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Dept. of Neurology, Technical University of Munich, School of Medicine, 81675 Munich, Germany
| | - Johannes Levin
- Dept. of Neurology, University of Munich, 81377 Munich, Germany; German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany
| | - Victor L Villemagne
- Dept. of Molecular Imaging and Therapy, Austin Health, Heidelberg, VIC, 3084, Australia; The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Melbourne, VIC, Australia; Dept. of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia
| | - Henryk Barthel
- Dept. of Nuclear Medicine, University of Leipzig, 04103 Leipzig, Germany
| | - Osama Sabri
- Dept. of Nuclear Medicine, University of Leipzig, 04103 Leipzig, Germany
| | - Ulrich Müller
- Institute for Human Genetics, University of Giessen, 35392 Giessen, Germany
| | - Wassilios G Meissner
- Service de Neurologie, CHU Bordeaux, 33000 Bordeaux, France; Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; Dept. of Medicine, University of Otago, Christchurch, New Zealand; New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Gabor G Kovacs
- Institute of Neurology, Medical University of Vienna, 1090 Vienna, Austria; Dept. of Laboratory Medicine and Pathobiology, University of Toronto, Laboratory Medicine Program, University Health Network, Toronto, Canada; Tanz Centre for Research in Neurodegenerative Disease, Krembil Brain Institute, Toronto, Canada
| | - Günter U Höglinger
- Dept. of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), 81377 Munich, Germany; Dept. of Neurology, Technical University of Munich, School of Medicine, 81675 Munich, Germany; Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany; Dept. of Neurology, Hannover Medical School, 30625 Hannover, Germany.
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Ondrejcak T, Hu NW, Qi Y, Klyubin I, Corbett GT, Fraser G, Perkinton MS, Walsh DM, Billinton A, Rowan MJ. Soluble tau aggregates inhibit synaptic long-term depression and amyloid β-facilitated LTD in vivo. Neurobiol Dis 2019; 127:582-590. [PMID: 30910746 DOI: 10.1016/j.nbd.2019.03.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/01/2019] [Accepted: 03/21/2019] [Indexed: 01/29/2023] Open
Abstract
Soluble synaptotoxic aggregates of the main pathological proteins of Alzheimer's disease, amyloid β-protein (Aß) and tau, have rapid and potent inhibitory effects on long-term potentiation (LTP). Although the promotion of synaptic weakening mechanisms, including long-term depression (LTD), is posited to mediate LTP inhibition by Aß, little is known regarding the action of exogenous tau on LTD. The present study examined the ability of different assemblies of full-length human tau to affect LTD in the dorsal hippocampus of the anaesthetized rat. Unlike Aß, intracerebroventricular injection of soluble aggregates of tau (SτAs), but not monomers or fibrils, potently increased the threshold for LTD induction in a manner that required cellular prion protein. However, MTEP, an antagonist of the putative prion protein coreceptor metabotropic glutamate receptor 5, did not prevent the disruption of synaptic plasticity by SτAs. In contrast, systemic treatment with Ro 25-6981, a selective antagonist at GluN2B subunit-containing NMDA receptors, reduced SτA-mediated inhibition of LTD, but not LTP. Intriguingly, SτAs completely blocked Aß-facilitated LTD, whereas a subthreshold dose of SτAs facilitated Aß-mediated inhibition of LTP. Overall, these findings support the importance of cellular prion protein in mediating a range of, sometimes opposing, actions of soluble Aß and tau aggregates with different effector mechanisms on synaptic plasticity.
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Affiliation(s)
- Tomas Ondrejcak
- Department of Pharmacology & Therapeutics, Institute of Neuroscience, Trinity College, Dublin 2, Ireland.
| | - Neng-Wei Hu
- Department of Pharmacology & Therapeutics, Institute of Neuroscience, Trinity College, Dublin 2, Ireland; Department of Physiology and Neurobiology, Zhengzhou University School of Medicine, Zhengzhou 450001, China
| | - Yingjie Qi
- Department of Pharmacology & Therapeutics, Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Igor Klyubin
- Department of Pharmacology & Therapeutics, Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Grant T Corbett
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Graham Fraser
- Neuroscience, IMED Biotech Unit, AstraZeneca, Cambridge CB21 6GH, UK
| | | | - Dominic M Walsh
- Laboratory for Neurodegenerative Research, Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Andrew Billinton
- Neuroscience, IMED Biotech Unit, AstraZeneca, Cambridge CB21 6GH, UK
| | - Michael J Rowan
- Department of Pharmacology & Therapeutics, Institute of Neuroscience, Trinity College, Dublin 2, Ireland.
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50
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Yan Y, Bejoy J, Marzano M, Li Y. The Use of Pluripotent Stem Cell-Derived Organoids to Study Extracellular Matrix Development during Neural Degeneration. Cells 2019; 8:E242. [PMID: 30875781 PMCID: PMC6468789 DOI: 10.3390/cells8030242] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 03/06/2019] [Accepted: 03/08/2019] [Indexed: 12/30/2022] Open
Abstract
The mechanism that causes the Alzheimer's disease (AD) pathologies, including amyloid plaque, neurofibrillary tangles, and neuron death, is not well understood due to the lack of robust study models for human brain. Three-dimensional organoid systems based on human pluripotent stem cells (hPSCs) have shown a promising potential to model neurodegenerative diseases, including AD. These systems, in combination with engineering tools, allow in vitro generation of brain-like tissues that recapitulate complex cell-cell and cell-extracellular matrix (ECM) interactions. Brain ECMs play important roles in neural differentiation, proliferation, neuronal network, and AD progression. In this contribution related to brain ECMs, recent advances in modeling AD pathology and progression based on hPSC-derived neural cells, tissues, and brain organoids were reviewed and summarized. In addition, the roles of ECMs in neural differentiation of hPSCs and the influences of heparan sulfate proteoglycans, chondroitin sulfate proteoglycans, and hyaluronic acid on the progression of neurodegeneration were discussed. The advantages that use stem cell-based organoids to study neural degeneration and to investigate the effects of ECM development on the disease progression were highlighted. The contents of this article are significant for understanding cell-matrix interactions in stem cell microenvironment for treating neural degeneration.
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Affiliation(s)
- Yuanwei Yan
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA.
| | - Julie Bejoy
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA.
| | - Mark Marzano
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA.
| | - Yan Li
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA.
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