Literature DB >> 2812520

Two types of A-current differing in voltage-dependence are expressed by neurons of the rat neostriatum.

D J Surmeier1, J Bargas, S T Kitai.   

Abstract

Transient potassium currents of the A type are thought to be important in a number of physiological processes of excitable cells, including spike repolarization and synaptic integration. This functional diversity may reflect the contribution of distinct subtypes of A channel to cellular behavior. Using the whole-cell variant of the patch clamp technique, we have found that two types of A-current are expressed in rat neostriatal neurons, one that is similar to previous descriptions in mammals and a second that is activated at considerably more depolarized potentials.

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Year:  1989        PMID： 2812520     DOI： 10.1016/0304-3940(89)90122-5

Source DB:  PubMed          Journal:  Neurosci Lett        ISSN： 0304-3940            Impact factor:   3.046


  12 in total

1.  Kv4.2 mRNA abundance and A-type K(+) current amplitude are linearly related in basal ganglia and basal forebrain neurons.

Authors:  T Tkatch; G Baranauskas; D J Surmeier
Journal:  J Neurosci       Date:  2000-01-15       Impact factor: 6.167

2.  Dendritic calcium encodes striatal neuron output during up-states.

Authors:  Jason N D Kerr; Dietmar Plenz
Journal:  J Neurosci       Date:  2002-03-01       Impact factor: 6.167

3.  Neurochemical and electrophysiological characteristics of rat striatal neurons in primary culture.

Authors:  Torsten Falk; Shiling Zhang; Emilie L Erbe; Scott J Sherman
Journal:  J Comp Neurol       Date:  2006-01-10       Impact factor: 3.215

4.  Manipulating Kv4.2 identifies a specific component of hippocampal pyramidal neuron A-current that depends upon Kv4.2 expression.

Authors:  Aaron Lauver; Li-Lian Yuan; Andreas Jeromin; Brian M Nadin; José J Rodríguez; Heather A Davies; Michael G Stewart; Gang-Yi Wu; Paul J Pfaffinger
Journal:  J Neurochem       Date:  2006-10-05       Impact factor: 5.372

5.  Up and down states in striatal medium spiny neurons simultaneously recorded with spontaneous activity in fast-spiking interneurons studied in cortex-striatum-substantia nigra organotypic cultures.

Authors:  D Plenz; S T Kitai
Journal:  J Neurosci       Date:  1998-01-01       Impact factor: 6.167

6.  The potassium A-current, low firing rates and rebound excitation in Hodgkin-Huxley models.

Authors:  M E Rush; J Rinzel
Journal:  Bull Math Biol       Date:  1995-11       Impact factor: 1.758

7.  Whole-cell K+ currents in identified olfactory bulb output neurones of rats.

Authors:  X Y Wang; J S McKenzie; R E Kemm
Journal:  J Physiol       Date:  1996-01-01       Impact factor: 5.182

8.  Three kinetically distinct Ca2+-independent depolarization-activated K+ currents in callosal-projecting rat visual cortical neurons.

Authors:  R E Locke; J M Nerbonne
Journal:  J Neurophysiol       Date:  1997-11       Impact factor: 2.714

9.  Voltage-gated transient outward currents in neurons with different firing patterns in rat superior colliculus.

Authors:  Y Saito; T Isa
Journal:  J Physiol       Date:  2000-10-01       Impact factor: 5.182

10.  Morphologically identified cutaneous afferent DRG neurons express three different potassium currents in varying proportions.

Authors:  B Everill; M A Rizzo; J D Kocsis
Journal:  J Neurophysiol       Date:  1998-04       Impact factor: 2.714
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