Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease

Matricellular proteins are secreted, nonstructural proteins that regulate the extracellular matrix (ECM) and interactions between cells through modulation of growth factor signaling, cell adhesion, migration, and proliferation. Despite being well described in the context of nonneuronal tissues, rece...

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Main Authors: Emma V. Jones, David S. Bouvier
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Neural Plasticity
Online Access:http://dx.doi.org/10.1155/2014/321209
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author Emma V. Jones
David S. Bouvier
author_facet Emma V. Jones
David S. Bouvier
author_sort Emma V. Jones
collection DOAJ
description Matricellular proteins are secreted, nonstructural proteins that regulate the extracellular matrix (ECM) and interactions between cells through modulation of growth factor signaling, cell adhesion, migration, and proliferation. Despite being well described in the context of nonneuronal tissues, recent studies have revealed that these molecules may also play instrumental roles in central nervous system (CNS) development and diseases. In this minireview, we discuss the matricellular protein families SPARC (secreted protein acidic and rich in cysteine), Hevin/SC1 (SPARC-like 1), TN-C (Tenascin C), TSP (Thrombospondin), and CCN (CYR61/CTGF/NOV), which are secreted by astrocytes during development. These proteins exhibit a reduced expression in adult CNS but are upregulated in reactive astrocytes following injury or disease, where they are well placed to modulate the repair processes such as tissue remodeling, axon regeneration, glial scar formation, angiogenesis, and rewiring of neural circuitry. Conversely, their reexpression in reactive astrocytes may also lead to detrimental effects and promote the progression of neurodegenerative diseases.
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spelling doaj-art-af9abc9474f44bc0865e3078f23f21042025-02-03T01:20:04ZengWileyNeural Plasticity2090-59041687-54432014-01-01201410.1155/2014/321209321209Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and DiseaseEmma V. Jones0David S. Bouvier1Centre for Research in Neuroscience, Department of Neurology and Neurosurgery, The Research Institute of the McGill University Health Centre, Montreal General Hospital, Montreal, QC, H3G 1A4, CanadaCentre for Research in Neuroscience, Department of Neurology and Neurosurgery, The Research Institute of the McGill University Health Centre, Montreal General Hospital, Montreal, QC, H3G 1A4, CanadaMatricellular proteins are secreted, nonstructural proteins that regulate the extracellular matrix (ECM) and interactions between cells through modulation of growth factor signaling, cell adhesion, migration, and proliferation. Despite being well described in the context of nonneuronal tissues, recent studies have revealed that these molecules may also play instrumental roles in central nervous system (CNS) development and diseases. In this minireview, we discuss the matricellular protein families SPARC (secreted protein acidic and rich in cysteine), Hevin/SC1 (SPARC-like 1), TN-C (Tenascin C), TSP (Thrombospondin), and CCN (CYR61/CTGF/NOV), which are secreted by astrocytes during development. These proteins exhibit a reduced expression in adult CNS but are upregulated in reactive astrocytes following injury or disease, where they are well placed to modulate the repair processes such as tissue remodeling, axon regeneration, glial scar formation, angiogenesis, and rewiring of neural circuitry. Conversely, their reexpression in reactive astrocytes may also lead to detrimental effects and promote the progression of neurodegenerative diseases.http://dx.doi.org/10.1155/2014/321209
spellingShingle Emma V. Jones
David S. Bouvier
Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease
Neural Plasticity
title Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease
title_full Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease
title_fullStr Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease
title_full_unstemmed Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease
title_short Astrocyte-Secreted Matricellular Proteins in CNS Remodelling during Development and Disease
title_sort astrocyte secreted matricellular proteins in cns remodelling during development and disease
url http://dx.doi.org/10.1155/2014/321209
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