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Cheung SW, Willis EF, Simmons DG, Bellingham MC, Noakes PG. Phagocytosis of aggrecan-positive perineuronal nets surrounding motor neurons by reactive microglia expressing MMP-9 in TDP-43 Q331K ALS model mice. Neurobiol Dis 2024; 200:106614. [PMID: 39067491 DOI: 10.1016/j.nbd.2024.106614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024] Open
Abstract
Perineuronal nets (PNNs) are extracellular matrix structures that surround excitable neurons and their proximal dendrites. PNNs play an important role in neuroprotection against oxidative stress. Oxidative stress within motor neurons can act as a trigger for neuronal death, and this has been implicated in motor neuron degeneration in amyotrophic lateral sclerosis (ALS). We therefore characterised PNNs around alpha motor neurons and the possible contributing cellular factors in the mutant TDP-43Q331K transgenic mouse, a slow onset ALS mouse model. PNNs around alpha motor neurons showed significant loss at mid-stage disease in TDP-43Q331K mice compared to wild type strain control mice. PNN loss coincided with an increased expression of matrix metallopeptidase-9 (MMP-9), an endopeptidase known to cleave PNNs, within the ventral horn. During mid-stage disease, increased numbers of microglia and astrocytes expressing MMP-9 were present in the ventral horn of TDP-43Q331K mice. In addition, TDP-43Q331K mice showed increased levels of aggrecan, a PNN component, in the ventral horn by microglia and astrocytes during this period. Elevated aggrecan levels within glia were accompanied by an increase in fractalkine expression, a chemotaxic protein responsible for the recruitment of microglia, in alpha motor neurons of onset and mid-stage TDP-43Q331K mice. Following PNN loss, alpha motor neurons in mid-stage TDP-43Q331K mice showed increased 3-nitrotyrosine expression, an indicator of protein oxidation. Together, our observations along with previous PNN research provide suggests a possible model whereby microglia and astrocytes expressing MMP-9 degrade PNNs surrounding alpha motor neurons in the TDP-43Q331K mouse. This loss of nets may expose alpha-motor neurons to oxidative damage leading to degeneration of the alpha motor neurons in the TDP-43Q331K ALS mouse model.
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Affiliation(s)
- Sang Won Cheung
- School of Biomedical Sciences, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Emily F Willis
- School of Biomedical Sciences, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - David G Simmons
- School of Biomedical Sciences, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Mark C Bellingham
- School of Biomedical Sciences, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Peter G Noakes
- School of Biomedical Sciences, The University of Queensland, St. Lucia, QLD 4072, Australia; Queensland Brain Institute, The University of Queensland, St. Lucia, QLD 4072, Australia.
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Chmelova M, Androvic P, Kirdajova D, Tureckova J, Kriska J, Valihrach L, Anderova M, Vargova L. A view of the genetic and proteomic profile of extracellular matrix molecules in aging and stroke. Front Cell Neurosci 2023; 17:1296455. [PMID: 38107409 PMCID: PMC10723838 DOI: 10.3389/fncel.2023.1296455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 11/08/2023] [Indexed: 12/19/2023] Open
Abstract
Introduction Modification of the extracellular matrix (ECM) is one of the major processes in the pathology of brain damage following an ischemic stroke. However, our understanding of how age-related ECM alterations may affect stroke pathophysiology and its outcome is still very limited. Methods We conducted an ECM-targeted re-analysis of our previously obtained RNA-Seq dataset of aging, ischemic stroke and their interactions in young adult (3-month-old) and aged (18-month-old) mice. The permanent middle cerebral artery occlusion (pMCAo) in rodents was used as a model of ischemic stroke. Altogether 56 genes of interest were chosen for this study. Results We identified an increased activation of the genes encoding proteins related to ECM degradation, such as matrix metalloproteinases (MMPs), proteases of a disintegrin and metalloproteinase with the thrombospondin motifs (ADAMTS) family and molecules that regulate their activity, tissue inhibitors of metalloproteinases (TIMPs). Moreover, significant upregulation was also detected in the mRNA of other ECM molecules, such as proteoglycans, syndecans and link proteins. Notably, we identified 8 genes where this upregulation was enhanced in aged mice in comparison with the young ones. Ischemia evoked a significant downregulation in only 6 of our genes of interest, including those encoding proteins associated with the protective function of ECM molecules (e.g., brevican, Hapln4, Sparcl1); downregulation in brevican was more prominent in aged mice. The study was expanded by proteome analysis, where we observed an ischemia-induced overexpression in three proteins, which are associated with neuroinflammation (fibronectin and vitronectin) and neurodegeneration (link protein Hapln2). In fibronectin and Hapln2, this overexpression was more pronounced in aged post-ischemic animals. Conclusion Based on these results, we can conclude that the ratio between the protecting and degrading mechanisms in the aged brain is shifted toward degradation and contributes to the aged tissues' increased sensitivity to ischemic insults. Altogether, our data provide fresh perspectives on the processes underlying ischemic injury in the aging brain and serve as a freely accessible resource for upcoming research.
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Affiliation(s)
- Martina Chmelova
- Department of Neuroscience, Second Faculty of Medicine, Charles University, Prague, Czechia
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
| | - Peter Androvic
- Laboratory of Gene Expression, Institute of Biotechnology of the Czech Academy of Sciences – BIOCEV, Vestec, Czechia
| | - Denisa Kirdajova
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
| | - Jana Tureckova
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
| | - Jan Kriska
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
| | - Lukas Valihrach
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
- Laboratory of Gene Expression, Institute of Biotechnology of the Czech Academy of Sciences – BIOCEV, Vestec, Czechia
| | - Miroslava Anderova
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
| | - Lydia Vargova
- Department of Neuroscience, Second Faculty of Medicine, Charles University, Prague, Czechia
- Department of Cellular Neurophysiology, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czechia
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Schreiber S, Bernal J, Arndt P, Schreiber F, Müller P, Morton L, Braun-Dullaeus RC, Valdés-Hernández MDC, Duarte R, Wardlaw JM, Meuth SG, Mietzner G, Vielhaber S, Dunay IR, Dityatev A, Jandke S, Mattern H. Brain Vascular Health in ALS Is Mediated through Motor Cortex Microvascular Integrity. Cells 2023; 12:957. [PMID: 36980297 PMCID: PMC10047140 DOI: 10.3390/cells12060957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Brain vascular health appears to be critical for preventing the development of amyotrophic lateral sclerosis (ALS) and slowing its progression. ALS patients often demonstrate cardiovascular risk factors and commonly suffer from cerebrovascular disease, with evidence of pathological alterations in their small cerebral blood vessels. Impaired vascular brain health has detrimental effects on motor neurons: vascular endothelial growth factor levels are lowered in ALS, which can compromise endothelial cell formation and the integrity of the blood-brain barrier. Increased turnover of neurovascular unit cells precedes their senescence, which, together with pericyte alterations, further fosters the failure of toxic metabolite removal. We here provide a comprehensive overview of the pathogenesis of impaired brain vascular health in ALS and how novel magnetic resonance imaging techniques can aid its detection. In particular, we discuss vascular patterns of blood supply to the motor cortex with the number of branches from the anterior and middle cerebral arteries acting as a novel marker of resistance and resilience against downstream effects of vascular risk and events in ALS. We outline how certain interventions adapted to patient needs and capabilities have the potential to mechanistically target the brain microvasculature towards favorable motor cortex blood supply patterns. Through this strategy, we aim to guide novel approaches to ALS management and a better understanding of ALS pathophysiology.
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Affiliation(s)
- Stefanie Schreiber
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
| | - Jose Bernal
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Philipp Arndt
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Frank Schreiber
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Patrick Müller
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Department of Internal Medicine/Cardiology and Angiology, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
| | - Lorena Morton
- Institute of Inflammation and Neurodegeneration, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
| | | | | | - Roberto Duarte
- Centre for Clinical Brain Sciences, The University of Edinburgh, UK Dementia Research Institute Centre, Edinburgh EH16 4UX, UK
| | - Joanna Marguerite Wardlaw
- Centre for Clinical Brain Sciences, The University of Edinburgh, UK Dementia Research Institute Centre, Edinburgh EH16 4UX, UK
| | - Sven Günther Meuth
- Department of Neurology, Medical Faculty, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
| | - Grazia Mietzner
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
| | - Stefan Vielhaber
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
| | - Ildiko Rita Dunay
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
- Institute of Inflammation and Neurodegeneration, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
| | - Alexander Dityatev
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
- Medical Faculty, Otto von Guericke University, 39120 Magdeburg, Germany
| | - Solveig Jandke
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Hendrik Mattern
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
- Department of Biomedical Magnetic Resonance, Faculty of Natural Sciences, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
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Lépine M, Douceau S, Devienne G, Prunotto P, Lenoir S, Regnauld C, Pouettre E, Piquet J, Lebouvier L, Hommet Y, Maubert E, Agin V, Lambolez B, Cauli B, Ali C, Vivien D. Parvalbumin interneuron-derived tissue-type plasminogen activator shapes perineuronal net structure. BMC Biol 2022; 20:218. [PMID: 36199089 PMCID: PMC9535866 DOI: 10.1186/s12915-022-01419-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 09/27/2022] [Indexed: 11/18/2022] Open
Abstract
Background Perineuronal nets (PNNs) are specialized extracellular matrix structures mainly found around fast-spiking parvalbumin (FS-PV) interneurons. In the adult, their degradation alters FS-PV-driven functions, such as brain plasticity and memory, and altered PNN structures have been found in neurodevelopmental and central nervous system disorders such as Alzheimer’s disease, leading to interest in identifying targets able to modify or participate in PNN metabolism. The serine protease tissue-type plasminogen activator (tPA) plays multifaceted roles in brain pathophysiology. However, its cellular expression profile in the brain remains unclear and a possible role in matrix plasticity through PNN remodeling has never been investigated. Result By combining a GFP reporter approach, immunohistology, electrophysiology, and single-cell RT-PCR, we discovered that cortical FS-PV interneurons are a source of tPA in vivo. We found that mice specifically lacking tPA in FS-PV interneurons display denser PNNs in the somatosensory cortex, suggesting a role for tPA from FS-PV interneurons in PNN remodeling. In vitro analyses in primary cultures of mouse interneurons also showed that tPA converts plasminogen into active plasmin, which in turn, directly degrades aggrecan, a major structural chondroitin sulfate proteoglycan (CSPG) in PNNs. Conclusions We demonstrate that tPA released from FS-PV interneurons in the central nervous system reduces PNN density through CSPG degradation. The discovery of this tPA-dependent PNN remodeling opens interesting insights into the control of brain plasticity. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-022-01419-8.
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Affiliation(s)
- Matthieu Lépine
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Sara Douceau
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Gabrielle Devienne
- Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Sorbonne Université UM119, CNRS UMR8246, INSERM U1130, 75005, Paris, France
| | - Paul Prunotto
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Sophie Lenoir
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Caroline Regnauld
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Elsa Pouettre
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Juliette Piquet
- Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Sorbonne Université UM119, CNRS UMR8246, INSERM U1130, 75005, Paris, France
| | - Laurent Lebouvier
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Yannick Hommet
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Eric Maubert
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Véronique Agin
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France
| | - Bertrand Lambolez
- Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Sorbonne Université UM119, CNRS UMR8246, INSERM U1130, 75005, Paris, France
| | - Bruno Cauli
- Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Sorbonne Université UM119, CNRS UMR8246, INSERM U1130, 75005, Paris, France
| | - Carine Ali
- Normandie Univ, UNICAEN, INSERM, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders, Institut Blood and Brain @ Caen Normandie, Cyceron, Bd Becquerel, BP 5229-14074, 14000, Caen, France.
| | - Denis Vivien
- Department of clinical research, CHU de Caen Normandie, Caen, France
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Li T, Peng J, Li Q, Shu Y, Zhu P, Hao L. The Mechanism and Role of ADAMTS Protein Family in Osteoarthritis. Biomolecules 2022; 12:biom12070959. [PMID: 35883515 PMCID: PMC9313267 DOI: 10.3390/biom12070959] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 01/27/2023] Open
Abstract
Osteoarthritis (OA) is a principal cause of aches and disability worldwide. It is characterized by the inflammation of the bone leading to degeneration and loss of cartilage function. Factors, including diet, age, and obesity, impact and/or lead to osteoarthritis. In the past few years, OA has received considerable scholarly attention owing to its increasing prevalence, resulting in a cumbersome burden. At present, most of the interventions only relieve short-term symptoms, and some treatments and drugs can aggravate the disease in the long run. There is a pressing need to address the safety problems due to osteoarthritis. A disintegrin-like and metalloprotease domain with thrombospondin type 1 repeats (ADAMTS) metalloproteinase is a kind of secretory zinc endopeptidase, comprising 19 kinds of zinc endopeptidases. ADAMTS has been implicated in several human diseases, including OA. For example, aggrecanases, ADAMTS-4 and ADAMTS-5, participate in the cleavage of aggrecan in the extracellular matrix (ECM); ADAMTS-7 and ADAMTS-12 participate in the fission of Cartilage Oligomeric Matrix Protein (COMP) into COMP lyase, and ADAMTS-2, ADAMTS-3, and ADAMTS-14 promote the formation of collagen fibers. In this article, we principally review the role of ADAMTS metalloproteinases in osteoarthritis. From three different dimensions, we explain how ADAMTS participates in all the following aspects of osteoarthritis: ECM, cartilage degeneration, and synovial inflammation. Thus, ADAMTS may be a potential therapeutic target in osteoarthritis, and this article may render a theoretical basis for the study of new therapeutic methods for osteoarthritis.
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Affiliation(s)
- Ting Li
- Department of Orthopedics, Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang 330000, China; (T.L.); (J.P.); (Q.L.); (Y.S.); (P.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Jie Peng
- Department of Orthopedics, Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang 330000, China; (T.L.); (J.P.); (Q.L.); (Y.S.); (P.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Qingqing Li
- Department of Orthopedics, Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang 330000, China; (T.L.); (J.P.); (Q.L.); (Y.S.); (P.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Yuan Shu
- Department of Orthopedics, Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang 330000, China; (T.L.); (J.P.); (Q.L.); (Y.S.); (P.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Peijun Zhu
- Department of Orthopedics, Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang 330000, China; (T.L.); (J.P.); (Q.L.); (Y.S.); (P.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Liang Hao
- Department of Orthopedics, Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang 330000, China; (T.L.); (J.P.); (Q.L.); (Y.S.); (P.Z.)
- Correspondence: ; Tel.: +86-13607008562; Fax: +86-86415785
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Crapser JD, Arreola MA, Tsourmas KI, Green KN. Microglia as hackers of the matrix: sculpting synapses and the extracellular space. Cell Mol Immunol 2021; 18:2472-2488. [PMID: 34413489 PMCID: PMC8546068 DOI: 10.1038/s41423-021-00751-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/26/2021] [Indexed: 02/08/2023] Open
Abstract
Microglia shape the synaptic environment in health and disease, but synapses do not exist in a vacuum. Instead, pre- and postsynaptic terminals are surrounded by extracellular matrix (ECM), which together with glia comprise the four elements of the contemporary tetrapartite synapse model. While research in this area is still just beginning, accumulating evidence points toward a novel role for microglia in regulating the ECM during normal brain homeostasis, and such processes may, in turn, become dysfunctional in disease. As it relates to synapses, microglia are reported to modify the perisynaptic matrix, which is the diffuse matrix that surrounds dendritic and axonal terminals, as well as perineuronal nets (PNNs), specialized reticular formations of compact ECM that enwrap neuronal subsets and stabilize proximal synapses. The interconnected relationship between synapses and the ECM in which they are embedded suggests that alterations in one structure necessarily affect the dynamics of the other, and microglia may need to sculpt the matrix to modify the synapses within. Here, we provide an overview of the microglial regulation of synapses, perisynaptic matrix, and PNNs, propose candidate mechanisms by which these structures may be modified, and present the implications of such modifications in normal brain homeostasis and in disease.
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Affiliation(s)
- Joshua D. Crapser
- grid.266093.80000 0001 0668 7243Department of Neurobiology and Behavior, University of California, Irvine, CA USA
| | - Miguel A. Arreola
- grid.266093.80000 0001 0668 7243Department of Neurobiology and Behavior, University of California, Irvine, CA USA
| | - Kate I. Tsourmas
- grid.266093.80000 0001 0668 7243Department of Neurobiology and Behavior, University of California, Irvine, CA USA
| | - Kim N. Green
- grid.266093.80000 0001 0668 7243Department of Neurobiology and Behavior, University of California, Irvine, CA USA
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Investigation of extracellular matrix genes associated with Alzheimer’s disease in the hippocampus of experimental diabetic model rats. Int J Diabetes Dev Ctries 2021. [DOI: 10.1007/s13410-021-00951-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Transplantation of Neural Precursors Derived from Induced Pluripotent Cells Preserve Perineuronal Nets and Stimulate Neural Plasticity in ALS Rats. Int J Mol Sci 2020; 21:ijms21249593. [PMID: 33339362 PMCID: PMC7766921 DOI: 10.3390/ijms21249593] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/05/2020] [Accepted: 12/13/2020] [Indexed: 12/11/2022] Open
Abstract
A promising therapeutic strategy for amyotrophic lateral sclerosis (ALS) treatment is stem cell therapy. Neural progenitors derived from induced pluripotent cells (NP-iPS) might rescue or replace dying motoneurons (MNs). However, the mechanisms responsible for the beneficial effect are not fully understood. The aim here was to investigate the mechanism by studying the effect of intraspinally injected NP-iPS into asymptomatic and early symptomatic superoxide dismutase (SOD)1G93A transgenic rats. Prior to transplantation, NP-iPS were characterized in vitro for their ability to differentiate into a neuronal phenotype. Motor functions were tested in all animals, and the tissue was analyzed by immunohistochemistry, qPCR, and Western blot. NP-iPS transplantation significantly preserved MNs, slowed disease progression, and extended the survival of all treated animals. The dysregulation of spinal chondroitin sulfate proteoglycans was observed in SOD1G93A rats at the terminal stage. NP-iPS application led to normalized host genes expression (versican, has-1, tenascin-R, ngf, igf-1, bdnf, bax, bcl-2, and casp-3) and the protection of perineuronal nets around the preserved MNs. In the host spinal cord, transplanted cells remained as progenitors, many in contact with MNs, but they did not differentiate. The findings suggest that NP-iPS demonstrate neuroprotective properties by regulating local gene expression and regulate plasticity by modulating the central nervous system (CNS) extracellular matrix such as perineuronal nets (PNNs).
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D'Ambrosi N, Apolloni S. Fibrotic Scar in Neurodegenerative Diseases. Front Immunol 2020; 11:1394. [PMID: 32922384 PMCID: PMC7456854 DOI: 10.3389/fimmu.2020.01394] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 06/01/2020] [Indexed: 12/14/2022] Open
Abstract
The process of uncontrolled internal scarring, called fibrosis, is now emerging as a pathological feature shared by both peripheral and central nervous system diseases. In the CNS, damaged neurons are not replaced by tissue regeneration, and scar-forming cells such as endothelial cells, inflammatory immune cells, stromal fibroblasts, and astrocytes can persist chronically in brain and spinal cord lesions. Although this process was extensively described in acute CNS damages, novel evidence indicates the involvement of a fibrotic reaction in chronic CNS injuries as those occurring during neurodegenerative diseases, where inflammation and fibrosis fuel degeneration. In this mini review, we discuss recent advances around the role of fibrotic scar formation and function in different neurodegenerative conditions, particularly focusing on the rising role of scarring in the pathogenesis of amyotrophic lateral sclerosis, multiple sclerosis, and Alzheimer's disease and highlighting the therapeutic relevance of targeting fibrotic scarring to slow and reverse neurodegeneration.
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De Gioia R, Biella F, Citterio G, Rizzo F, Abati E, Nizzardo M, Bresolin N, Comi GP, Corti S. Neural Stem Cell Transplantation for Neurodegenerative Diseases. Int J Mol Sci 2020; 21:E3103. [PMID: 32354178 PMCID: PMC7247151 DOI: 10.3390/ijms21093103] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 01/19/2023] Open
Abstract
Neurodegenerative diseases are disabling and fatal neurological disorders that currently lack effective treatment. Neural stem cell (NSC) transplantation has been studied as a potential therapeutic approach and appears to exert a beneficial effect against neurodegeneration via different mechanisms, such as the production of neurotrophic factors, decreased neuroinflammation, enhanced neuronal plasticity and cell replacement. Thus, NSC transplantation may represent an effective therapeutic strategy. To exploit NSCs' potential, some of their essential biological characteristics must be thoroughly investigated, including the specific markers for NSC subpopulations, to allow profiling and selection. Another key feature is their secretome, which is responsible for the regulation of intercellular communication, neuroprotection, and immunomodulation. In addition, NSCs must properly migrate into the central nervous system (CNS) and integrate into host neuronal circuits, enhancing neuroplasticity. Understanding and modulating these aspects can allow us to further exploit the therapeutic potential of NSCs. Recent progress in gene editing and cellular engineering techniques has opened up the possibility of modifying NSCs to express select candidate molecules to further enhance their therapeutic effects. This review summarizes current knowledge regarding these aspects, promoting the development of stem cell therapies that could be applied safely and effectively in clinical settings.
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Affiliation(s)
- Roberta De Gioia
- Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Fabio Biella
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
| | - Gaia Citterio
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
| | - Federica Rizzo
- Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, Via Francesco Sforza 35, 20122 Milan, Italy
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
| | - Elena Abati
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
| | - Monica Nizzardo
- Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, Via Francesco Sforza 35, 20122 Milan, Italy
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
| | - Nereo Bresolin
- Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, Via Francesco Sforza 35, 20122 Milan, Italy
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
| | - Giacomo Pietro Comi
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
- Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neuromuscular and Rare Diseases Unit, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Stefania Corti
- Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Neurology Unit, Via Francesco Sforza 35, 20122 Milan, Italy
- Dino Ferrari Centre, Neuroscience Section, Department of Pathophysiology and Transplantation (DEPT), University of Milan, 20122 Milan, Italy
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Mohamedi Y, Fontanil T, Cobo T, Cal S, Obaya AJ. New Insights into ADAMTS Metalloproteases in the Central Nervous System. Biomolecules 2020; 10:biom10030403. [PMID: 32150898 PMCID: PMC7175268 DOI: 10.3390/biom10030403] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 02/24/2020] [Accepted: 03/02/2020] [Indexed: 12/13/2022] Open
Abstract
Components of the extracellular matrix (ECM) are key players in regulating cellular functions throughout the whole organism. In fact, ECM components not only participate in tissue organization but also contribute to processes such as cellular maintenance, proliferation, and migration, as well as to support for various signaling pathways. In the central nervous system (CNS), proteoglycans of the lectican family, such as versican, aggrecan, brevican, and neurocan, are important constituents of the ECM. In recent years, members of this family have been found to be involved in the maintenance of CNS homeostasis and to participate directly in processes such as the organization of perineural nets, the regulation of brain plasticity, CNS development, brain injury repair, axonal guidance, and even the altering of synaptic responses. ADAMTSs are a family of “A disintegrin and metalloproteinase with thrombospondin motifs” proteins that have been found to be involved in a multitude of processes through the degradation of lecticans and other proteoglycans. Recently, alterations in ADAMTS expression and activity have been found to be involved in neuronal disorders such as stroke, neurodegeneration, schizophrenia, and even Alzheimer’s disease, which in turn may suggest their potential use as therapeutic targets. Herein, we summarize the different roles of ADAMTSs in regulating CNS events through interactions and the degradation of ECM components (more specifically, the lectican family of proteoglycans).
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Affiliation(s)
- Yamina Mohamedi
- Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain; (Y.M.); (T.F.); (S.C.)
- Departamento de Biología Funcional, Área de Fisiología, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
- Instituto Universitario de Oncología, IUOPA, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
| | - Tania Fontanil
- Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain; (Y.M.); (T.F.); (S.C.)
- Departamento de Biología Funcional, Área de Fisiología, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
- Instituto Universitario de Oncología, IUOPA, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
- Departamento de Investigación, Instituto Ordóñez, 33012 Oviedo, Asturias, Spain
| | - Teresa Cobo
- Departamento de Cirugía y Especialidades Médico-Quirúrgicas, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain;
- Instituto Asturiano de Odontología, 33006 Oviedo, Asturias, Spain
| | - Santiago Cal
- Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain; (Y.M.); (T.F.); (S.C.)
- Instituto Universitario de Oncología, IUOPA, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
| | - Alvaro J. Obaya
- Departamento de Biología Funcional, Área de Fisiología, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
- Instituto Universitario de Oncología, IUOPA, Universidad de Oviedo, 33006 Oviedo, Asturias, Spain
- Correspondence:
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12
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Griffin JM, Fackelmeier B, Clemett CA, Fong DM, Mouravlev A, Young D, O'Carroll SJ. Astrocyte-selective AAV-ADAMTS4 gene therapy combined with hindlimb rehabilitation promotes functional recovery after spinal cord injury. Exp Neurol 2020; 327:113232. [PMID: 32044329 DOI: 10.1016/j.expneurol.2020.113232] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/31/2020] [Accepted: 02/06/2020] [Indexed: 01/06/2023]
Abstract
Chondroitin sulphate proteoglycans (CSPGs) are inhibitors to axon regeneration and plasticity. A disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS4) is a human enzyme that catalyses the proteolysis of CSPG protein cores. Infusion of ADAMTS4 into the damaged spinal cord was previously shown to improve functional recovery SCI, however, this therapy is limited in its enzyme form. Adeno-associated viral (AAV) vector gene therapy has emerged as the vector of choice for safe, robust and long-term transgene expression in the central nervous system. Here, an AAV expression cassette containing ADAMTS4 under the control of the astrocytic GfaABC1D promoter was packaged into an AAV5 vector. Sustained expression of ADAMTS4 was achieved in vitro and in vivo leading to degradation of CSPGs. Compared to a contusion only group, AAV-ADAMTS4 resulted in significantly decreased lesion size, increased sprouting of hindlimb corticospinal tract axons, increased serotonergic fiber density caudal to a contusive spinal cord injury. Hindlimb-specific exercise rehabilitation was used to drive neuroplasticity towards improving functional connections. The combination of hindlimb rehabilitation with AAV-ADAMTS4 led to functional recovery after SCI compared to a contusion only group. Thus, long-term degradation of CSPGs through AAV-ADAMTS4 gene therapy in a combinational approach with rehabilitation represents a candidate for further preclinical development.
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Affiliation(s)
- Jarred M Griffin
- Department of Anatomy and Medical Imaging, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
| | - Barbara Fackelmeier
- Department of Anatomy and Medical Imaging, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
| | - Connor A Clemett
- Department of Anatomy and Medical Imaging, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
| | - Dahna M Fong
- Department of Pharmacology and Clinical Pharmacology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
| | - Alexandre Mouravlev
- Department of Pharmacology and Clinical Pharmacology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
| | - Deborah Young
- Department of Pharmacology and Clinical Pharmacology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
| | - Simon J O'Carroll
- Department of Anatomy and Medical Imaging, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand; Centre for Brain Research, University of Auckland, Auckland, 85 Park Road, Grafton, New Zealand.
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13
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Delarue Q, Mayeur A, Chalfouh C, Honoré A, Duclos C, Di Giovanni M, Li X, Salaun M, Dampierre J, Vaudry D, Marie JP, Guérout N. Inhibition of ADAMTS-4 Expression in Olfactory Ensheathing Cells Enhances Recovery after Transplantation within Spinal Cord Injury. J Neurotrauma 2019; 37:507-516. [PMID: 31264504 DOI: 10.1089/neu.2019.6481] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Spinal cord injury (SCI) induces permanent loss of sensitive and motor functions below the injury level. To date, a wide variety of cells has been used as biotherapies to cure SCI in different animal paradigms. Specifically, olfactory ensheathing cells (OECs) is one of the most promising. Indeed, OECs have been shown to enhance recovery in many animal studies. Moreover, OECs transplantation has been applied to a paraplegic patient and have shown beneficial effects. However, it has been reported that the significant level of recovery varies among different patients. Therefore, it is of primary importance to enhance the regenerative efficiency of OECs for better translations. Recently, it has been shown that inhibiting ADAMTS4 expression in glial cells in vitro increases their synthesis of neurotrophic factors. We hypothesized that the expression of neurotrophic factors secreted by OECs can be increased by the deletion of ADAMTS4. Taking advantage of ADAMTS4-/- mouse line, we produce ADAMTS4 deficient primary OEC cultures and then we investigated their regenerative potential after SCI. By using quantitative polymerase chain reaction, bioluminescence imaging, measurement of locomotor activity, electrophysiological studies, and immunohistochemistry, our results show that ADAMTS4-/- olfactory bulb OEC (bOECs) primary cultures upregulate their trophic factor expression in vitro, and that the transplantation of ADAMTS4-/- bOECs in a severe SCI model increases functional recovery and tissue repair in vivo. Altogether, our study reveals, for the first time, that primary bOEC cultures transplantation can be potentialized by inhibition of the expression of ADAMTS4.
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Affiliation(s)
- Quentin Delarue
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Anne Mayeur
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Chaima Chalfouh
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Axel Honoré
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Célia Duclos
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Marine Di Giovanni
- Normandie Univ, UNIROUEN, PRIMACEN; Institute for Research and Innovation in Biomedicine (IRIB), Mont-Saint-Aignan, France
| | - Xiaofei Li
- Department of Neurobiology, Care Sciences and Society, BioClinicum, Karolinska Institutet, 17164 Stockholm, Sweden
| | - Mathieu Salaun
- Normandie Univ, UNIROUEN, LITIS EA 4108; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Justine Dampierre
- Normandie Univ, UNIROUEN, LITIS EA 4108; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - David Vaudry
- Normandie Univ, UNIROUEN, PRIMACEN; Institute for Research and Innovation in Biomedicine (IRIB), Mont-Saint-Aignan, France
| | - Jean-Paul Marie
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Nicolas Guérout
- Normandie Univ, UNIROUEN, GRHV EA3830; Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
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14
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Rivera S, García-González L, Khrestchatisky M, Baranger K. Metalloproteinases and their tissue inhibitors in Alzheimer's disease and other neurodegenerative disorders. Cell Mol Life Sci 2019; 76:3167-3191. [PMID: 31197405 PMCID: PMC11105182 DOI: 10.1007/s00018-019-03178-2] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 05/22/2019] [Accepted: 05/29/2019] [Indexed: 12/13/2022]
Abstract
As life expectancy increases worldwide, age-related neurodegenerative diseases will increase in parallel. The lack of effective treatment strategies may soon lead to an unprecedented health, social and economic crisis. Any attempt to halt the progression of these diseases requires a thorough knowledge of the pathophysiological mechanisms involved to facilitate the identification of new targets and the application of innovative therapeutic strategies. The metzincin superfamily of metalloproteinases includes matrix metalloproteinases (MMP), a disintegrin and metalloproteinase (ADAM) and ADAM with thrombospondin motifs (ADAMTS). These multigenic and multifunctional proteinase families regulate the functions of an increasing number of signalling and scaffolding molecules involved in neuroinflammation, blood-brain barrier disruption, protein misfolding, synaptic dysfunction or neuronal death. Metalloproteinases and their physiological inhibitors, the tissue inhibitors of metalloproteinases (TIMPs), are therefore, at the crossroads of molecular and cellular mechanisms that support neurodegenerative processes, and emerge as potential new therapeutic targets. We provide an overview of current knowledge on the role and regulation of metalloproteinases and TIMPs in four major neurodegenerative diseases: Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis and Huntington's disease.
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Affiliation(s)
- Santiago Rivera
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France.
| | | | | | - Kévin Baranger
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
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15
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16
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Walter S, Jumpertz T, Hüttenrauch M, Ogorek I, Gerber H, Storck SE, Zampar S, Dimitrov M, Lehmann S, Lepka K, Berndt C, Wiltfang J, Becker-Pauly C, Beher D, Pietrzik CU, Fraering PC, Wirths O, Weggen S. The metalloprotease ADAMTS4 generates N-truncated Aβ4-x species and marks oligodendrocytes as a source of amyloidogenic peptides in Alzheimer's disease. Acta Neuropathol 2019; 137:239-257. [PMID: 30426203 DOI: 10.1007/s00401-018-1929-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 10/17/2018] [Accepted: 11/04/2018] [Indexed: 02/06/2023]
Abstract
Brain accumulation and aggregation of amyloid-β (Aβ) peptides is a critical step in the pathogenesis of Alzheimer's disease (AD). Full-length Aβ peptides (mainly Aβ1-40 and Aβ1-42) are produced through sequential proteolytic cleavage of the amyloid precursor protein (APP) by β- and γ-secretases. However, studies of autopsy brain samples from AD patients have demonstrated that a large fraction of insoluble Aβ peptides are truncated at the N-terminus, with Aβ4-x peptides being particularly abundant. Aβ4-x peptides are highly aggregation prone, but their origin and any proteases involved in their generation are unknown. We have identified a recognition site for the secreted metalloprotease ADAMTS4 (a disintegrin and metalloproteinase with thrombospondin motifs 4) in the Aβ peptide sequence, which facilitates Aβ4-x peptide generation. Inducible overexpression of ADAMTS4 in HEK293 cells resulted in the secretion of Aβ4-40 but unchanged levels of Aβ1-x peptides. In the 5xFAD mouse model of amyloidosis, Aβ4-x peptides were present not only in amyloid plaque cores and vessel walls, but also in white matter structures co-localized with axonal APP. In the ADAMTS4-/- knockout background, Aβ4-40 levels were reduced confirming a pivotal role of ADAMTS4 in vivo. Surprisingly, in the adult murine brain, ADAMTS4 was exclusively expressed in oligodendrocytes. Cultured oligodendrocytes secreted a variety of Aβ species, but Aβ4-40 peptides were absent in cultures derived from ADAMTS4-/- mice indicating that the enzyme was essential for Aβ4-x production in this cell type. These findings establish an enzymatic mechanism for the generation of Aβ4-x peptides. They further identify oligodendrocytes as a source of these highly amyloidogenic Aβ peptides.
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17
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Pruvost M, Lépine M, Leonetti C, Etard O, Naveau M, Agin V, Docagne F, Maubert E, Ali C, Emery E, Vivien D. ADAMTS-4 in oligodendrocytes contributes to myelination with an impact on motor function. Glia 2017; 65:1961-1975. [PMID: 28850711 DOI: 10.1002/glia.23207] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 07/06/2017] [Accepted: 08/02/2017] [Indexed: 12/30/2022]
Abstract
Myelination is a late developmental process regulated by a set of inhibitory and stimulatory factors, including extracellular matrix components. Accordingly, chondroitin sulfate proteoglycans (CSPGs) act as negative regulators of myelination processes. A disintegrin and metalloproteinase with thrombospondin motifs type 4 (ADAMTS-4) is an extracellular protease capable of degrading CSPGs. Although exogenous ADAMTS-4 has been proven to be beneficial in several models of central nervous system (CNS) injuries, the physiological functions of endogenous ADAMTS-4 remain poorly understood. We first used Adamts4/LacZ reporter mice to reveal that ADAMTS-4 is strongly expressed in the CNS, especially in the white matter, with a cellular profile restricted to mature oligodendrocytes. Interestingly, we evidenced an abnormal myelination in Adamts4-/- mice, characterized by a higher diameter of myelinated axons with a shifting g-ratio. Accordingly, lack of ADAMTS-4 is accompanied by motor deficits and disturbed nervous electrical activity. In conclusion, we demonstrate that ADAMTS-4 is a new marker of mature oligodendrocytes contributing to the myelination processes and thus to the control of motor capacities.
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Affiliation(s)
- Mathilde Pruvost
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Matthieu Lépine
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Camille Leonetti
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Olivier Etard
- CHU de Caen, Laboratoire des Explorations Fonctionnelles du Système Nerveux, Avenue de la côte de Nacre, Caen F-14000, France.,Normandie Univ, UNICAEN, ISTS, 14000 Caen, France
| | - Mikaël Naveau
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France.,UMS 3408 Support Cyceron, CNR, Universite de Caen Normandie, CHU de Caen, GIP CYCERON, Caen, France
| | - Véronique Agin
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Fabian Docagne
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Eric Maubert
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Carine Ali
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France
| | - Evelyne Emery
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France.,Department of neurosurgery, CHU de Caen, Avenue de la côte de Nacre, Caen F-14000, France
| | - Denis Vivien
- Normandie University, UNICAEN, INSERM, UMR-S 1237 Physiopathology and imaging of Neurological disorders, Cyceron, Caen 14000, France.,Department of clinical research, CHU de Caen, Avenue de la côte de Nacre, Caen F-14000, France
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18
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Miyata S, Kitagawa H. Formation and remodeling of the brain extracellular matrix in neural plasticity: Roles of chondroitin sulfate and hyaluronan. Biochim Biophys Acta Gen Subj 2017. [PMID: 28625420 DOI: 10.1016/j.bbagen.2017.06.010] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND The extracellular matrix (ECM) of the brain is rich in glycosaminoglycans such as chondroitin sulfate (CS) and hyaluronan. These glycosaminoglycans are organized into either diffuse or condensed ECM. Diffuse ECM is distributed throughout the brain and fills perisynaptic spaces, whereas condensed ECM selectively surrounds parvalbumin-expressing inhibitory neurons (PV cells) in mesh-like structures called perineuronal nets (PNNs). The brain ECM acts as a non-specific physical barrier that modulates neural plasticity and axon regeneration. SCOPE OF REVIEW Here, we review recent progress in understanding of the molecular basis of organization and remodeling of the brain ECM, and the involvement of several types of experience-dependent neural plasticity, with a particular focus on the mechanism that regulates PV cell function through specific interactions between CS chains and their binding partners. We also discuss how the barrier function of the brain ECM restricts dendritic spine dynamics and limits axon regeneration after injury. MAJOR CONCLUSIONS The brain ECM not only forms physical barriers that modulate neural plasticity and axon regeneration, but also forms molecular brakes that actively controls maturation of PV cells and synapse plasticity in which sulfation patterns of CS chains play a key role. Structural remodeling of the brain ECM modulates neural function during development and pathogenesis. GENERAL SIGNIFICANCE Genetic or enzymatic manipulation of the brain ECM may restore neural plasticity and enhance recovery from nerve injury. This article is part of a Special Issue entitled Neuro-glycoscience, edited by Kenji Kadomatsu and Hiroshi Kitagawa.
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Affiliation(s)
- Shinji Miyata
- Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Nagoya 464-8601, Japan
| | - Hiroshi Kitagawa
- Department of Biochemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita-machi, Kobe 658-8558, Japan.
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19
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Song I, Dityatev A. Crosstalk between glia, extracellular matrix and neurons. Brain Res Bull 2017; 136:101-108. [PMID: 28284900 DOI: 10.1016/j.brainresbull.2017.03.003] [Citation(s) in RCA: 172] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 03/05/2017] [Accepted: 03/06/2017] [Indexed: 12/29/2022]
Abstract
Extracellular matrix (ECM) molecules in the central nervous system form highly organized ECM structures around cell somata, axon initial segments, and synapses and play prominent roles in early development by guiding cell migration, neurite outgrowth and synaptogenesis, and by regulating closure of the critical period of development, synaptic plasticity and stability, cognitive flexibility, and axonal regeneration in adults. Major components of neural ECM, including chondroitin sulfate proteoglycans (CSPGs), tenascin-R and hyaluronic acid, are synthesized by both neurons and glial cells. The expression of these molecules is dynamically regulated during brain development in physiological conditions, shaping both neuronal and glial functions through multitude of molecular mechanisms. Upregulation of particular CSPGs and other ECM molecules, in particular by reactive astrocytes, after CNS injuries, during aging, neuroinflammation, and neurodegeneration on the one hand results in formation of growth-impermissive environment and impaired synaptic plasticity. On the other hand, ECM appeared to have a neuroprotective effect, at least in the form of perineuronal nets. CSPGs-degrading matrix metalloproteinases (MMPs) and several members of the disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS) family of proteases are secreted by neurons and glia and may drive neural ECM remodeling in physiological conditions as well as after brain injury and other brain disorders. Thus, targeting expression of specific ECM molecules, associated glycans and degrading enzymes may lead to development of new therapeutic strategies promoting regeneration and synaptic plasticity.
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Affiliation(s)
- Inseon Song
- Molecular Neuroplasticity Group, German Center for Neurodegenerative Diseases, 39120 Magdeburg, Germany
| | - Alexander Dityatev
- Molecular Neuroplasticity Group, German Center for Neurodegenerative Diseases, 39120 Magdeburg, Germany; Center for Behavioral Brain Sciences (CBBS), 39120 Magdeburg, Germany; Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany.
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20
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Lemarchant S, Wojciechowski S, Vivien D, Koistinaho J. ADAMTS-4 in central nervous system pathologies. J Neurosci Res 2017; 95:1703-1711. [DOI: 10.1002/jnr.24021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 11/23/2016] [Accepted: 12/22/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Sighild Lemarchant
- A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio; University of Eastern Finland; P.O. BOX 1627 70211 Kuopio Finland
| | - Sara Wojciechowski
- A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio; University of Eastern Finland; P.O. BOX 1627 70211 Kuopio Finland
| | - Denis Vivien
- INSERM, INSERM UMR-S 919, “Serine Proteases and Pathophysiology of the Neurovascular Unit”; University of Caen Basse-Normandie; GIP Cyceron, Bd H. Becquerel, BP 5229 14074 Caen Cedex France
| | - Jari Koistinaho
- A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio; University of Eastern Finland; P.O. BOX 1627 70211 Kuopio Finland
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Lemarchant S, Dunghana H, Pomeshchik Y, Leinonen H, Kolosowska N, Korhonen P, Kanninen KM, García-Berrocoso T, Montaner J, Malm T, Koistinaho J. Anti-inflammatory effects of ADAMTS-4 in a mouse model of ischemic stroke. Glia 2016; 64:1492-507. [PMID: 27301579 DOI: 10.1002/glia.23017] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 05/18/2016] [Accepted: 05/23/2016] [Indexed: 12/29/2022]
Abstract
ADAMTS-4 (a disintegrin and metalloproteinase with thrombospondin motifs type 4) is a metalloprotease capable to degrade chondroitin sulfate proteoglycans leading to cartilage destruction during arthritis or to neuroplasticity during spinal cord injury (SCI). Although ADAMTS-4 is an inflammatory-regulated enzyme, its role during inflammation has never been investigated. The aim of this study was to investigate the role of ADAMTS-4 in neuroinflammation. First, we evidenced an increase of ADAMTS-4 expression in the ischemic brain hemisphere of mouse and human patients suffering from ischemic stroke. Then, we described that ADAMTS-4 has predominantly an anti-inflammatory effect in the CNS. Treatment of primary microglia or astrocyte cultures with low doses of a human recombinant ADAMTS-4 prior to LPS exposure decreased NO production and the synthesis/release of pro-inflammatory cytokines including NOS2, CCL2, TNF-α, IL-1β and MMP-9. Accordingly, when cell cultures were transfected with silencing siRNA targeting ADAMTS-4 prior to LPS exposure, the production of NO and the synthesis/release of pro-inflammatory cytokines were increased. Finally, the feasibility of ADAMTS-4 to modulate neuroinflammation was investigated in vivo after permanent middle cerebral artery occlusion in mice. Although ADAMTS-4 treatment did not influence the lesion volume, it decreased astrogliosis and macrophage infiltration, and increased the number of microglia expressing arginase-1, a marker of alternatively activated cells with inflammation inhibiting functions. Additionally, ADAMTS-4 increased the production of IL-10 and IL-6 in the peri-ischemic area. By having anti-inflammatory and neuroregenerative roles, ADAMTS-4 may represent an interesting target to treat acute CNS injuries, such as ischemic stroke, SCI or traumatic brain injury. GLIA 2016;64:1492-1507.
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Affiliation(s)
- Sighild Lemarchant
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Hiramani Dunghana
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Yuriy Pomeshchik
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Henri Leinonen
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Natalia Kolosowska
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Paula Korhonen
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Katja M Kanninen
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Teresa García-Berrocoso
- Neurovascular Research Laboratory, Vall D'Hebron Research Institute (VHIR), Universitat Autònoma De Barcelona, Barcelona, Spain
| | - Joan Montaner
- Neurovascular Research Laboratory, Vall D'Hebron Research Institute (VHIR), Universitat Autònoma De Barcelona, Barcelona, Spain
| | - Tarja Malm
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
| | - Jari Koistinaho
- Department of Neurobiology, a. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio University of Eastern Finland, Kuopio, P.O. Box 1627, Finland
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22
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Lemarchant S, Pomeshchik Y, Kidin I, Kärkkäinen V, Valonen P, Lehtonen S, Goldsteins G, Malm T, Kanninen K, Koistinaho J. Erratum to: ADAMTS-4 promotes neurodegeneration in a mouse model of amyotrophic lateral sclerosis. Mol Neurodegener 2016; 11:15. [PMID: 26858022 PMCID: PMC4745151 DOI: 10.1186/s13024-016-0080-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 01/28/2016] [Indexed: 11/10/2022] Open
Affiliation(s)
- Sighild Lemarchant
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland.
| | - Yuriy Pomeshchik
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Iurii Kidin
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Virve Kärkkäinen
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Piia Valonen
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Sarka Lehtonen
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Gundars Goldsteins
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Tarja Malm
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Katja Kanninen
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
| | - Jari Koistinaho
- Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio, University of Eastern Finland, Kuopio, 70211, Finland
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