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Cited by 179

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Contactin Associates with Na+Channels and Increases Their Functional Expression

Open access
Kazarinova-Noyes, Katie, Malhotra, Jyoti Dhar, McEwen, Dyke P., Mattei, Laura N., Berglund, Erik O., Ranscht, Barbara, Levinson, S. Rock, Schachner, Melitta, Shrager, Peter, Isom, Lori L., Xiao, Zhi-Cheng·2001·The Journal of Neuroscience

Abstract

Contactin (also known as F3, F11) is a surface glycoprotein that has significant homology with the beta2 subunit of voltage-gated Na(+) channels. Contactin and Na(+) channels can be reciprocally coimmunoprecipitated from brain homogenates, indicating association within a complex. Cells cotransfected with Na(+) channel Na(v)1.2alpha and beta1 subunits and contactin have threefold to fourfold higher peak Na(+) currents than cells with Na(v)1.2alpha alone, Na(v)1.2/beta1, Na(v)1.2/contactin, or Na(v)1.2/beta1/beta2. These cells also have a correspondingly higher saxitoxin binding, suggesting an increased Na(+) channel surface membrane density. Coimmunoprecipitation of different subunits from cell lines shows that contactin interacts specifically with the beta1 subunit. In the PNS, immunocytochemical studies show a transient colocalization of contactin and Na(+) channels at new nodes of Ranvier forming during remyelination. In the CNS, there is a particularly high level of colocalization of Na(+) channels and contactin at nodes both during development and in the adult. Contactin may thus significantly influence the functional expression and distribution of Na(+) channels in neurons.

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Crossref · 10.1523/jneurosci.21-19-07517.2001

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Metadata

Authors
Kazarinova-Noyes, K., Malhotra, J. D., McEwen, D. P., Mattei, L. N., Berglund, E. O., Ranscht, B., Levinson, S. R., Schachner, M., Shrager, P., Isom, L. L., & Xiao, Z.-C.
Venue
The Journal of Neuroscience
Published
2001-10-01
Volume
21
Issue
19
Pages
7517-7525
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1888714757
Cited by
179
References
4
FWCI
4.13
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Contactin Associates with Na+Channels and Increases Their Functional Expression. https://app.cochat.ai/papers/10.1523/jneurosci.21-19-07517.2001
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Kazarinova-Noyes, K., Malhotra, J. D., McEwen, D. P., Mattei, L. N., Berglund, E. O., Ranscht, B., Levinson, S. R., Schachner, M., Shrager, P., Isom, L. L., & Xiao, Z.-C. (2001). Contactin Associates with Na+Channels and Increases Their Functional Expression. The Journal of Neuroscience. https://doi.org/10.1523/jneurosci.21-19-07517.2001

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

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