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Cited by 194

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Dynamic Interaction between Sigma-1 Receptor and Kv1.2 Shapes Neuronal and Behavioral Responses to Cocaine

Open access
Kourrich, Saïd, Hayashi, Teruo, Chuang, Jian-Ying, Tsai, Shang-Yi, Su, Tsung-Ping, Bonci, Antonello·2013·Cell

Abstract

Summary The sigma-1 receptor (Sig-1R), an endoplasmic reticulum (ER) chaperone protein, is an inter-organelle signaling modulator that potentially plays a role in drug-seeking behaviors. However, the brain site of action and underlying cellular mechanisms remain unidentified. We found that cocaine exposure triggers a Sig-1R-dependent upregulation of D-type K+ current in the nucleus accumbens (NAc) that results in neuronal hypoactivity, and thereby enhances behavioral cocaine response. Combining ex vivo and in vitro studies, we demonstrated that this neuroadaptation is caused by a persistent protein-protein association between Sig-1Rs and Kv1.2 channels, a phenomenon that is associated to a redistribution of both proteins from intracellular compartments to the plasma membrane. In conclusion, the dynamic Sig-1R - Kv1.2 complex represents a novel mechanism that shapes neuronal and behavioral response to cocaine. Functional consequences of Sig-1R binding to K+ channels may have implications for other chronic diseases where maladaptive intrinsic plasticity and Sig-1Rs are engaged.

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Metadata

Authors
Kourrich, S., Hayashi, T., Chuang, J.-Y., Tsai, S.-Y., Su, T.-P., & Bonci, A.
Venue
Cell
Publisher
Elsevier BV
Published
2013-01
Volume
152
Issue
1-2
Pages
236-247
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2154267426
Cited by
194
References
7
FWCI
9.28
Type
journal article
Language
en
Open access
bronze

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Kourrich, S., Hayashi, T., Chuang, J.-Y., Tsai, S.-Y., Su, T.-P., & Bonci, A. (2013). Dynamic Interaction between Sigma-1 Receptor and Kv1.2 Shapes Neuronal and Behavioral Responses to Cocaine. Cell. https://doi.org/10.1016/j.cell.2012.12.004

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