Výsledky vyhledávání - "Toshihiro Asahara"

Modulation of voltage-dependent potassium currents by opiates in facial motoneurons of neonatal rats

Autor: Min Lin, Tetsuro Yamamoto, Yuichi Kumazawa, Yoshihiro Nishimura, Takanobu Akamine, Toshihiro Asahara, Hiroshi Shibuya

Publikováno v: Neuroscience Research. 47:329-339

We examined the modulation of rat facial motoneurons (FMNs) by opiates in a slice preparation (7-15 days old) using whole-cell patch clamp techniques. Although application of methionine enkephalin (ME) did not change the peak value of the transient o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20884a3ce0f12fa8297ed5af7fddd368
https://doi.org/10.1016/s0168-0102(03)00223-2

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Properties of voltage dependent potassium currents in acutely isolated rat oculomotor neurons

Autor: Hiroshi Shibuya, Toshihiro Asahara, Hirofumi Kitagawa, Min Lin, Yoshihiro Nishimura, Yuichi Kumazawa, Tetsuro Yamamoto

Publikováno v: Neuroscience Research. 42:101-114

Voltage-dependent potassium currents in oculomotor neurons (OMNs) were studied with whole-cell patch clamp recordings. Fast inactivating outward currents (I(fast)) had half activation voltage (Vh) of -37.1 mV with slope factor (Vc) of 10.9 mV. I(fast

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2a3ebbac84fe06db3429deadb54f6b3
https://doi.org/10.1016/s0168-0102(01)00311-x

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Long-term observation on the changes of somatotopy in the facial nucleus after nerve suture in the cat: Morphological studies using retrograde labeling

Autor: Tetsuro Yamamoto, Toshihiro Asahara, Tetsuro Kayahara, Takanobu Akamine, Yuichi Kumazawa, K Takeo, Yoshihiro Nishimura, Min Lin

Publikováno v: Brain Research Bulletin. 49:195-202

To examine the time course of plasticity of the cranial nucleus during axonal regeneration, we followed the topographical reorganization of the cat facial nucleus (FN) up to 24 months after facio-facial nerve suture using retrograde labeling methods.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2eb1d5c932e84e10bacdc589d764680e
https://doi.org/10.1016/s0361-9230(99)00041-6

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The burst firing in the layer III and V pyramidal neurons of the cat sensorimotor cortex in vitro

Autor: Kunio Itoh, Hirofumi Kitagawa, Kazumi Yoshioka, Tsutomu Tanaka, Toshihiro Asahara, Yoshihiro Nishimura, Kohichi Saitoh, Tetsuro Yamamoto, Masaru Asahi

Publikováno v: Brain Research. 727:212-216

We identified the burst and single-spiking cells, and the repetitive bursting cells in layers III and V of the cat sensorimotor cortex with intracellular recording and staining techniques. Both types of the bursting cells were found in 22.7% of the r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d27706207108769bc888d56eef1574bb
https://doi.org/10.1016/0006-8993(96)00505-7

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Observations on morphology and electrophysiological properties of the normal and axotomized facial motoneurons in the cat

Autor: Yoshihiro Nishimura, Tetsuro Yamamoto, Tsutomu Tanaka, Toshihiro Asahara

Publikováno v: Brain Research. 596:305-310

The correlation between the morphology of facial motoneurons stained intracellularly with horseradish peroxidase and their physiological parameters was examined in cats following facial nerve section and in cats with intact facial nerve. A certain st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43ae1d13466b2c192c51f1a22d167a57
https://doi.org/10.1016/0006-8993(92)91562-s

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Afferent projections in the spinal accessory nerve to the facial motoneurons of the cat

Autor: Tsutomu Tanaka, Yoshihiro Nishimura, Tetsuro Yamamoto, Toshihiro Asahara, Kazuo Higuchi

Publikováno v: Brain Research. 585:377-380

Stimulation of the accessory nerve evoked polysynaptic excitatory postsynaptic potentials (EPSPs) in the facial nucleus (FN) neurons of anesthetized cats. From the experiments with severance of C1–C3 dorsal roots, it is suggested that accessory aff

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3849fa79bf2b2e3d7cc1bd164684ede3
https://doi.org/10.1016/0006-8993(92)91240-f

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Cerebellar activation of cortical motor regions: comparisons across mammals

Autor: Toru Matsuura, Tetsuro Yamamoto, Min Lin, Yoshihiro Nishimura, Toshihiro Asahara, Hiroshi Shibuya

This chapter discusses the nature of mammalian cerebello-thalamo-cortical projections. These play an important role in motor control, but with species differences evident in the innervation patterns of thalamo-cortical (T-C) fibers relaying cerebella

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12a4ae35e90755cd5066f53c4d8b79d8
https://doi.org/10.1016/s0079-6123(03)43030-6

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Cerebellar activation of cortical motor regions: comparisons across mammals

Autor: Tetsuro, Yamamoto, Yoshihiro, Nishimura, Toru, Matsuura, Hiroshi, Shibuya, Min, Lin, Toshihiro, Asahara

Publikováno v: Progress in brain research. 143

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::100200eab642c606fe46d8851b9c8a30
https://pubmed.ncbi.nlm.nih.gov/14653175

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Ionic mechanisms underlying burst firing of layer III sensorimotor cortical neurons of the cat: an in vitro slice study

Autor: Masaru Asahi, Takanobu Akamine, Hiroshi Shibuya, Koichi Saitoh, Kunio Itoh, Yuichi Kumazawa, Yoshihiro Nishimura, Tetsuro Yamamoto, Hirofumi Kitagawa, Min Lin, Toshihiro Asahara

Publikováno v: Journal of neurophysiology. 86(2)

We examined the ionic mechanisms underlying burst firing in layer III neurons from cat sensorimotor cortex by intracellular recording in a brain slice. Regular spiking was observed in 77.4% of 137 neurons in response to constant intracellular current

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41dc467a1be12f77d54c7751ecd7b0cb
https://pubmed.ncbi.nlm.nih.gov/11495949

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Electrophysiological properties and their modulation by norepinephrine in the ambiguus neurons of the guinea pig

Autor: Tsutomu Tanaka, Toshihiro Asahara, Masatoshi Muramatsu, Tetsuro Yamamoto, Yoshihiro Nishimura

Publikováno v: Brain research. 702(1-2)

Electrophysiological properties of guinea pig ambiguus (AMB) neurons were studied in a brainstem slice preparation. During subthreshold depolarization AMB neurons displayed an early slow depolarization and a late outward rectification both of which w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a934553cbd32067ddb351e5d5ae9be1d
https://pubmed.ncbi.nlm.nih.gov/8846079

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