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Cited by 472

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

TRPA1 channels regulate astrocyte resting calcium and inhibitory synapse efficacy through GAT-3

Open access
Shigetomi, Eiji, Tong, Xiaoping, Kwan, Kelvin Y, Corey, David P, Khakh, Baljit S·2012·Nature Neuroscience

Abstract

Astrocytes contribute to the formation and function of synapses and are found throughout the brain, where they show intracellular store–mediated Ca2+ signals. Here, using a membrane-tethered, genetically encoded calcium indicator (Lck-GCaMP3), we report the serendipitous discovery of a new type of Ca2+ signal in rat hippocampal astrocyte-neuron cocultures. We found that Ca2+ fluxes mediated by transient receptor potential A1 (TRPA1) channels gave rise to frequent and highly localized 'spotty' Ca2+ microdomains near the membrane that contributed appreciably to resting Ca2+ in astrocytes. Mechanistic evaluations in brain slices showed that decreases in astrocyte resting Ca2+ concentrations mediated by TRPA1 channels decreased interneuron inhibitory synapse efficacy by reducing GABA transport by GAT-3, thus elevating extracellular GABA. Our data show how a transmembrane Ca2+ source (TRPA1) targets a transporter (GAT-3) in astrocytes to regulate inhibitory synapses.

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Metadata

Authors
Shigetomi, E., Tong, X., Kwan, K. Y., Corey, D. P., & Khakh, B. S.
Venue
Nature Neuroscience
Published
2011-12-11
Volume
15
Issue
1
Pages
70-80
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2113679292
Cited by
472
References
6
FWCI
10.84
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: TRPA1 channels regulate astrocyte resting calcium and inhibitory synapse efficacy through GAT-3. https://app.cochat.ai/papers/10.1038/nn.3000
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Shigetomi, E., Tong, X., Kwan, K. Y., Corey, D. P., & Khakh, B. S. (2012). TRPA1 channels regulate astrocyte resting calcium and inhibitory synapse efficacy through GAT-3. Nature Neuroscience. https://doi.org/10.1038/nn.3000

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.