Cited by 41Neuroscience and Neuropharmacology ResearchRedox biology and oxidative stressNeurological Disorders and Treatments

Enhanced neuronal protection from oxidative stress by coculture with glutamic acid decarboxylase‐expressing astrocytes

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Lamigeon, C., Bellier, J. P., Sacchettoni, S., Rujano, M., Jacquemont, B.·2001·Journal of Neurochemistry

Abstract

Astrocytes expressing glutamic acid decarboxylase GAD67 directed by the glial fibrillary acidic protein promoter were shown to provide enhanced protection of PC12 cells from H 2 O 2 treatment and serum deprivation in the presence of glutamate. In addition, they protected non‐differentiated, but not differentiated, embryonic rat cortical neurons from glutamate toxicity. Glutamic acid decarboxylase (GAD)‐expressing astrocytes showed increased glutathione synthesis and release compared to control astrocytes. These changes were due to GAD transgene expression, as transient expression of a GAD antisense plasmid resulted in partial suppression of the increase in glutathione release. In addition to the previously demonstrated increases in NADH and ATP levels and lactate release, GAD‐expressing astrocytes show increased antioxidant activity, explaining their ability to protect neurons from various injuries.

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Crossref · 10.1046/j.1471-4159.2001.00278.x

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Authors
Lamigeon, C., Bellier, J. P., Sacchettoni, S., Rujano, M., & Jacquemont, B.
Affiliations
  • Inserm (FR)
  • Hospital Vargas (VE)
Corresponding author
Jacquemont, B.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2001-04-15
Volume
77
Issue
2
Pages
598-606
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W1544500316
Cited by
41
References
69
Citations by year
2024: 1 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 1 · 2016: 4 · 2015: 1 · 2014: 2 · 2013: 1 · 2012: 5
FWCI
0.74
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Neuroscience › Neurology › Neurological Disorders and Treatments
Keywords
glutamic acid decarboxylase, GAD67, astrocytes, neuroprotection, oxidative stress, glutamate excitotoxicity, hydrogen peroxide, serum deprivation, PC12 cells, glutathione synthesis, glutathione release, antioxidant activity, glial fibrillary acidic protein promoter, lactate release, NADH, ATP, cortical neurons
MeSH terms
Animals, Astrocytes, Cell Differentiation, Energy Metabolism, Genes, Synthetic, Glial Fibrillary Acidic Protein, Glutamate Decarboxylase, Glutathione, Hydrogen Peroxide, Isoenzymes, Neoplasm Proteins, Nerve Tissue Proteins, Neurons, Oxidation-Reduction, Promoter Regions, Genetic, Recombinant Fusion Proteins, Transfection, PC12 Cells, Culture Media, Serum-Free, Oxidative Stress, Glutamic Acid, Coculture Techniques, Transgenes, Mice, Rats

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