Cited by 24Nerve injury and regenerationProteoglycans and glycosaminoglycans researchAxon Guidance and Neuronal Signaling

Influence of glial‐derived matrix molecules, especially chondroitin sulfates, on neurite growth and survival of cultured mouse embryonic motoneurons

Klausmeyer, Alice, Conrad, Rebecca, Faissner, Andreas, Wiese, Stefan·2011·Journal of Neuroscience Research

Abstract

Mechanisms controlling neuronal survival and regeneration play an important role during development, after birth, and under lesion conditions. Isolated embryonic mouse motoneurons have been a useful tool for studying such basic mechanisms. These cultured motoneurons depend on extracellular matrix (ECM) molecules, which are potent mediators of survival and axonal growth and guidance in the CNS and in vitro, exhibiting either attractive or repellent guidance cues. Additionally, ECM proteoglycans and glycoproteins are components of the glial scar acting as a growth barrier for regenerating axons. Compared with CNS axon outgrowth, less is known about the cues that guide motoneurons toward their peripheral targets. Because we are interested in the effects of glial‐derived chondroitin sulfate proteoglycans (CSPGs), we have worked out a model system for investigating the influences of glial‐derived matrix molecules on motoneuron outgrowth and survival. We used cultured embryonic mouse motoneurons to investigate axon growth effects of matrix molecules produced by the glial‐derived cell lines A7, Neu7, and Oli‐neu primary astrocytes as wellas the immortalized Schwann cell line IMS32. The results indicate that molecules of the ECM, especially chondroitin sulfates, play an important role as axon growth‐promoting cues. We could demonstrate a modifying effect of the matrix components on motoneuron survival and caspase3‐induced apoptosis. © 2010 Wiley‐Liss, Inc.

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Crossref · 10.1002/jnr.22531

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Authors
Klausmeyer, A., Conrad, R., Faissner, A., & Wiese, S.
Affiliations
Ruhr University Bochum (DE)
Corresponding author
Wiese, Stefan
Venue
Journal of Neuroscience Research
Publisher
Wiley
Published
2010-12-08
Volume
89
Issue
2
Pages
127-141
ISSN
  • 0360-4012 (ISSN-L)
  • 1097-4547
OpenAlex
W2062696235
Cited by
24
References
90
Citations by year
2025: 1 · 2024: 1 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 6 · 2014: 1 · 2013: 3 · 2012: 2
FWCI
0.77
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neuroscience Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Proteoglycans and glycosaminoglycans research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
chondroitin sulfate proteoglycans, extracellular matrix, neurite outgrowth, motoneuron survival, glial scar, axon guidance, Schwann cells, astrocytes, caspase-3, apoptosis, peripheral nerve regeneration
MeSH terms
Animals, Cell Differentiation, Cell Line, Cell Survival, Chondroitin Sulfates, Embryo, Mammalian, Extracellular Matrix, Fluorescent Antibody Technique, Motor Neurons, Neuroglia, Neurites, Mice

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