Membrane properties of rat medial vestibular nucleus neurons in vivo.

Membrane properties of rat medial vestibular nucleus neurons in vivo. Research Abstract Details 

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Membrane properties of rat medial vestibular nucleus neurons in vivo. Abstract Text:

Yasuhiko Saito,Seiji Ozawa,Yasuhiko Saito,Seiji Ozawa,

In our previous study using the whole-cell patch clamp technique combined with reverse transcription-polymerase chain reaction analysis in rat brainstem slices, we demonstrated that the classification of neurons in the medial vestibular nucleus (MVN) based on three membrane properties detected as voltage response properties to depolarizing and hyperpolarizing current pulses, namely afterhyperpolarization (AHP) profiles, firing patterns, and response patterns to hyperpolarizing current pulses, is useful for clarifying the relationship between membrane properties and cellular markers for excitatory and inhibitory neurons. These membrane properties characterized in vitro, however, have not been ascertained in vivo. To address this issue, we applied the whole-cell patch clamp recording method to in vivo preparations of young adult rats and investigated voltage responses to depolarizing and hyperpolarizing current pulses. We found three AHP profiles, three firing patterns, and three response patterns to hyperpolarizing current pulses in MVN neurons in vivo that were characterized in our previous in vitro study. The MVN neuronal populations classified on the basis of the three membrane properties in vivo were comparable to those obtained in vitro. This finding indicates that the classification of MVN neurons based on the three membrane properties is applicable to in vivo preparations.

Membrane properties of rat medial vestibular nucleus neurons in vivo. Publishing Authors By Initials

Y Saito,S Ozawa,Y Saito,S Ozawa,

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Membrane properties of rat medial vestibular nucleus neurons in vivo. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Neuroscience research

VOLUME: 59

Page Numbers: 215-23

Journal Abbreviation: Neurosci. Res.

ISSN: 0168-0102

DAY: 27

MONTH: 08

YEAR: 2007

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LANGUAGE: eng

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AFFILIATION: Department of Neurophysiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan. syasu@med.gunma-u.ac.jp

Country: Ireland

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MEDLINETA: Neurosci Res

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