Microglial α7 nicotinic acetylcholine receptors drive a phospholipase C/IP3 pathway and modulate the cell activation toward a neuroprotective role

…, K Miyano, M Andrä, H Matsubayashi… - Journal of …, 2006 - Wiley Online Library
Microglia perform both neuroprotective and neurotoxic functions in the brain, with this
depending on their state of activation and their release of mediators. Upon P2X 7 receptor …

[HTML][HTML] Mutant protein kinase Cγ found in spinocerebellar ataxia type 14 is susceptible to aggregation and causes cell death

…, K Hiramoto, T Amano, H Matsubayashi… - Journal of Biological …, 2005 - ASBMB
Spinocerebellar ataxia type 14 (SCA14) is an autosomal dominant neurodegenerative
disease characterized by various symptoms including cerebellar ataxia. Recently, several …

Strychnine: a potent competitive antagonist of α-bungarotoxin-sensitive nicotinic acetylcholine receptors in rat hippocampal neurons

H Matsubayashi, M Alkondon, EFR Pereira… - Journal of pharmacology …, 1998 - ASPET
In our study, evidence is provided that strychnine, a competitive antagonist at glycine-gated
Cl − channels, is also a potent competitive antagonist at native α-7-containing, α-…

Amantadine inhibits nicotinic acetylcholine receptor function in hippocampal neurons

H Matsubayashi, KL Swanson… - Journal of Pharmacology …, 1997 - ASPET
The effects of amantadine on nicotinic acetylcholine receptors (nAChRs) of hippocampal
neurons were studied by recording three types of acetylcholine (ACh)-evoked currents, using …

Centrally administered neuropeptide Y delays gastric emptying via Y2 receptors in rats

T Ishiguchi, T Amano, H Matsubayashi… - American Journal …, 2001 - journals.physiology.org
It has been shown that centrally administered neuropeptide Y (NPY) delays gastric emptying.
To determine the receptor subtypes of NPY mediating the inhibitory effects on gastric …

Epileptic seizures induced by N-acetyl-L-aspartate in rats: in vivo and in vitro studies

…, R Hanaya, K Iida, Y Kiura, K Arita, H Matsubayashi… - Brain research, 2000 - Elsevier
Tremor rat (tm/tm), the parent strain of spontaneously epileptic rat (SER: zi/zi, tm/tm), exhibits
absence-like seizures characterized by 5–7 Hz spike-wave-like complexes on cortical and …

Phosphorylation of PKC activation loop plays an important role in receptor‐mediated translocation of PKC

T Seki, H Matsubayashi, T Amano, Y Shirai… - Genes to …, 2005 - Wiley Online Library
Protein kinase C (PKC) is translocated to various cellular regions in a subtype and
stimulation‐dependent manner. Thereafter, the activated PKC phosphorylates its substrate and …

Involvement of α7-and α4β2-type postsynaptic nicotinic acetylcholine receptors in nicotine-induced excitation of dopaminergic neurons in the substantia nigra: a patch …

H Matsubayashi, A Inoue, T Amano, T Seki… - Molecular brain …, 2004 - Elsevier
The receptor subtypes, which mediate nicotine-induced excitation of dopaminergic neurons
in the substantia nigra, were investigated by whole-cell patch clamp studies and single-cell …

Neuronal nicotinic receptors modulate synaptic function in the hippocampus and are sensitive to blockade by the convulsant strychnine and by the anti-Parkinson drug …

…, EFR Pereira, MFM Braga, H Matsubayashi… - Toxicology letters, 1998 - Elsevier
Evidence is provided that rapid application of nicotinic agonists to CA1 interneurons in
hippocampal slices can trigger responses with at least one of three components: (i) whole-cell …

Enhanced calcium influx in hippocampal CA3 neurons of spontaneously epileptic rats

H Amano, T Amano, H Matsubayashi, K Ishihara… - …, 2001 - Wiley Online Library
Purpose: The spontaneously epileptic rat (SER: tm/tm, zi/zi) shows both absence‐like seizures
and tonic convulsions. Our previous electrophysiologic studies have demonstrated that …