Activation of a trpc3-dependent cation current through the neurotrophin bdnf

Hong Sheng Li, Xian Zhong Shawn Xu, Craig Montell

Research output: Contribution to journalArticle

Abstract

Nonvoltage-gated cation currents, which are activated following stimulation of phospholipase C (PLC), appear to be major modes for Ca2+ and Na+ entry in mammalian cells. The TRPC channels may mediate some of these conductances since their expression in vitro leads to PLC-dependent cation influx. We found that the TRPC3 protein was highly enriched in neurons of the central nervous system (CNS). The temporal and spatial distribution of TRPC3 paralleled that of the neurotrophin receptor TrkB. Activation of TrkB by brain-derived nerve growth factor (BDNF) led to production of a PLC- dependent, nonselective cation conductance in pontine neurons. Evidence is provided that TRPC3 contributes to this current in vivo. Thus, activation of TrkB and PLC leads to a TRPC3-dependent cation influx in CNS neurons.

Original languageEnglish (US)
Pages (from-to)261-273
Number of pages13
JournalNeuron
Volume24
Issue number1
DOIs
StatePublished - Sep 1999

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Nerve Growth Factors
Type C Phospholipases
Cations
Neurons
Central Nervous System
Nerve Growth Factor Receptors
Nerve Growth Factor
Brain
Proteins

ASJC Scopus subject areas

  • Neuroscience(all)

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Activation of a trpc3-dependent cation current through the neurotrophin bdnf. / Li, Hong Sheng; Xu, Xian Zhong Shawn; Montell, Craig.

In: Neuron, Vol. 24, No. 1, 09.1999, p. 261-273.

Research output: Contribution to journalArticle

Li, Hong Sheng ; Xu, Xian Zhong Shawn ; Montell, Craig. / Activation of a trpc3-dependent cation current through the neurotrophin bdnf. In: Neuron. 1999 ; Vol. 24, No. 1. pp. 261-273.
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