Cited by 388Adenosine and Purinergic SignalingConnexins and lens biologyNeuroscience and Neuropharmacology Research

ATP-Mediated Glia Signaling

Open access
Cotrina, Maria Luisa, Lin, Jane H.-C., López-Garcı́a, Juan Carlos, Naus, Christian C. G., Nedergaard, Maiken·2000·The Journal of Neuroscience

Abstract

Glia calcium signaling has recently been identified as a potent modulator of synaptic transmission. We show here that the spatial expansion of calcium waves is mediated by ATP and subsequent activation of purinergic receptors. Ectopic expression of gap junction proteins, connexins (Cxs), leads to an increase in both ATP release and the radius of calcium wave propagation. Cx expression was also associated with a phenotypic transformation, and cortical neurons extended longer neurites when co-cultured with Cx-expressing than with Cx-deficient cells. Purinergic receptor activation mediated both these effects, because treatment with receptor antagonists restored the glia phenotype and slowed neurite outgrowth. These results identify a key role of ATP in both short-term calcium signaling events and in long-term differentiation regulated by glia.

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Crossref · 10.1523/jneurosci.20-08-02835.2000

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  • Astrocytes reside in close proximity to neuronal synapses and express glutamate receptors that regulate Ca2+ influx to influence ATP signaling.

    “Astrocytes reside in close proximity to neuronal synapses and express glutamate receptors that regulate CA 2+ influx (Cornell-Bell et al, 1990) to influence ATP signaling (Cotrina et al, 2000).”

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Authors
Cotrina, M. L., Lin, J. H.-C., López-Garcı́a, J. C., Naus, C. C. G., & Nedergaard, M.
Affiliations
  • New York Medical College (US)
  • Western University (CA)
Venue
The Journal of Neuroscience
Published
2000-04-15
Volume
20
Issue
8
Pages
2835-2844
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1901485302
Cited by
388
References
86
Citations by year
2026: 3 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 10 · 2020: 7 · 2019: 7 · 2018: 12 · 2017: 13 · 2016: 15 · 2015: 14 · 2014: 12 · 2013: 15 · 2012: 20
FWCI
15.09
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (NS135011, NS130007)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Adenosine and Purinergic Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Connexins and lens biology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
ATP release, purinergic receptors, connexins, gap junctions, calcium waves, neurite outgrowth, cortical neurons, neuron-glia interactions, glial differentiation, synaptic transmission
MeSH terms
Adenosine Triphosphate, Animals, Cells, Cultured, Neuroglia, Tumor Cells, Cultured, Gap Junctions, Connexins, Calcium Signaling, Rats, Purinergic Antagonists

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