2006 Fiscal Year Final Research Report Summary
Elucidation of protective mechanisms of endogenous low-molecular-weight compounds on neuronal death in central nervous system
Project/Area Number |
17390157
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Applied pharmacology
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Research Institution | Kyoto University |
Principal Investigator |
AKAIKE Akinori Kyoto University, Graduate School of Pharmaceutical Sciences, Professor, 薬学研究科, 教授 (80135558)
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Co-Investigator(Kenkyū-buntansha) |
KATSUKI Hiroshi Kyoto University, Graduate School of Pharmaceutical Sciences, Associate Professor, 薬学研究科, 助教授 (40240733)
KUME Toshiaki Kyoto University, Graduate School of Pharmaceutical Sciences, Assistant Professor, 薬学研究科, 助手 (10303843)
|
Project Period (FY) |
2005 – 2006
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Keywords | Neuronal death / Excitotoxicity / Nitric oxide / Serofendic acid / Donepezil / Nicotinic receptor |
Research Abstract |
We focused on the low-molecular-weight substances that controlled the neuronal death induced by glutamate and radical stress. 1, Serofendic acid, a low-molecular-weight substance of atisane-type diterpenoids derived from fetal calf serum, prevents glutamate-induced apoptosis in cultured cortical neurons by the prevention of loss of mitochondrial membrane potential and the reduction of the process of caspase-3 activation. 2, We investigated the effect of serofendic acid on ischemic injury induced by a transient occlusion of the middle cerebral artery in rats. Serofendic acid significantly reduced total infarct volume, similar to edaravone, a free radical scavenger. These results suggest that intracerebroventricular administration of serofendic acid prevents the neurodegeneration induced by a transient focal cerebral ischemia and reperfusion. 3, We found that donepezil and galanthamine prevented glutamate neurotoxicity through α4-and α7-nAChRs, followed by the PI3K-Akt pathway, and that
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tacrine protected neuronal cells through a different pathway. 4, We examined the mechanisms of thrombin cytotoxicity in the striatum in vivo. Thrombin induced neuronal death and microglial activation around the injection site. Neuronal loss without any sign of nuclear fragmentation was observed. Thrombin-induced damage was partially but significantly reduced by concomitant administration of inhibitors of MAPK pathways. Thus, MAPK pathways and microglial activation may serve as therapeutic targets of pathogenic conditions associated with hemorrhagic stroke. 5, We examined the role of endogenous agonists at the glycine site of NMDA receptors in excitotoxic retinal damage in vivo. Endogenous D-serine is at least in part involved in pathological processes mediated by NMDA receptor over-activation in the retina. The levels of endogenous glycine site agonists influence the severity of NMDA receptor-mediated excitotoxic retinal damage in vivo. Both glycine and D-serine contribute to the excitotoxic processes in the retina. Less
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Research Products
(36 results)
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[Journal Article] Contribution of endogenous glycine site NMDA agonists to excitotoxic retinal damage in vivo.2006
Author(s)
Hama, Y., Katsuki, H., Tochikawa, Y., Suminaka, C., Kume, T., Akaike, A.
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Journal Title
Neurosci. Res. 56
Pages: 279-285
Description
「研究成果報告書概要(和文)」より
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[Journal Article] A critical role of TRPM2 in neuronal cell death by hydrogen peroxide.2006
Author(s)
Kaneko, S., Kawakami, S., Hara, Y., Wakamori, M., Itoh, E., Minami, T., Takada, Y., Kume, T., Katsuki, H., Mori, Y., Akaike, A.
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Journal Title
J. Pharmacol. Sci. 101
Pages: 66-76
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Serofendic acid, a neuroprotective substance derived from fetal calf serum, inhibits mitochondrial membrane depolarization and caspase-3 activation.2006
Author(s)
Kume, T., Taguchi, R., Katsuki, H., Akao, M., Sugimoto, H., Kaneko, S., Akaike, A.
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Journal Title
Eur. J. Pharmacol. 542
Pages: 69-76
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Glutamate excitotoxicity is involved in cell death caused by tributyltin in cultured rat cortical neurons.2006
Author(s)
Nakatsu, Y., Kotake, Y., Komasaka, K., Hakozaki, H., Taguchi, R., Kume, T., Akaike, A., Ohta, S.
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Journal Title
Toxicol. Sci. 89
Pages: 235-242
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Mechanisms of cell death of neural progenitor cells caused by trophic support deprivation.2006
Author(s)
Niidome, T., Morimoto, N., Iijima, S., Akaike A., Kihara, T., Sugimoto, H.
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Journal Title
Eur. J. Pharmacol. 548
Pages: 1-8
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Nitric oxide-mediated effect of nipradilol, α - and β-adrenergic blocker, on glutamate neurotoxicity in rat cortical cultures.2006
Author(s)
Taguchi, R., Shirakawa H., Yamaguchi, T., Kume, T., Katsuki, H., Akaike, A.
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Journal Title
Eur. J. Pharmacol. 535
Pages: 86-94
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Neuroprotective effects of galanthamine and tacrine against glutamate neurotoxicity.2006
Author(s)
Takada-Takatori, Y., Kume, T., Sugimoto, M., Katsuki, H., Niidome, T., Sugimoto, H., Fujii, T., Okabe, S., Akaike A.
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Journal Title
Eur. J. Pharmacol. 549
Pages: 19-26
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Acetylcholinesterase inhibitors used in treatment of Alzheimer's disease prevent glutamate neurotoxicity via nicotinic acetylcholine receptors and phosphatidylinositol 3-kinase cascade.2006
Author(s)
Takada-Takatori, Y., Kume, T., Sugimoto, M., Katsuki, H., Sugimoto, H., Akaike, A.
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Journal Title
Neuropharmacology 51
Pages: 474-486
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Serofendic acid, a novel substance extracted from fetal calf serum, protects against oxidative stress in neonatal rat cardiac myocytes.2006
Author(s)
Takeda, T., Akao, M., Matsumoto-Ida, M., Kato, M., Takenaka, H., Kihara, Y., Kume, T., Akaike, A., Kita, T.
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Journal Title
J. American College. Cardiology 47
Pages: 1882-1890
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Synthesis and neuroprotective effects of serofendic acid analogues.2006
Author(s)
Terauchi, T., Doko, T., Yonaga, M., Kajiwara, A., Niidome, T., Taguchi, R., Kume, T., Akaike, A., Sugimoto, H.
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Journal Title
Bioorg. Med. Chem. Lett. 16
Pages: 5080-5083
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Improvement of focal ischemia-induced rat dopaminergic dysfunction by striatal transplantation of mouse embroyonic stem cells.2006
Author(s)
Yanagisawa, D., Qi, M., Kim, D., Kitamura, Y., Inden, M., Tsuchiya, D., Takata, K., Taniguchi, T., Yoshimoto, K., Shimohama, S., Akaike, A., Sumi, S., Inoue, K.
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Journal Title
Neurosci. Lett. 407
Pages: 74-79
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Mechanisms of cell death of neural progenitor cells caused by trophic support deprivation.2006
Author(s)
Niidome, T., Morimoto, N., Iijima, S., Akaike, A., Kihara, T., Sugimoto, H.
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Journal Title
Eur. J. Pharmacol. 548
Pages: 1-8
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Nitric oxide-mediated effect of nipradilol, a- and b-adrenergic blocker, on glutamate neurotoxicity in rat cortical cultures.2006
Author(s)
Taguchi, R., Shirakawa, H., Yamaguchi, T., Kume, T., Katsuki, H., Akaike, A.
-
Journal Title
Eur. J. Pharmacol. 535
Pages: 86-94
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Neuroprotective effects of galanthamine and tacrine against glutamate neurotoxicity.2006
Author(s)
Takada-Takatori, Y., Kume, T., Sugimoto, M., Katsuki, H., Niidome, T., Sugimoto, H., Fujii, T., Okabe, S., Akaike, A.
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Journal Title
Eur. J. Pharmacol. 549
Pages: 19-26
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Effects of R-(-)-BPAP on the expressions of neurotrophins and their receptors in mesencephalic slices.2005
Author(s)
Hirami, C., Takahata, K., Shimazu, S., Yoneda, F., Hayashi, K., Katsuki, H., Akaike, A.
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Journal Title
Biol. Pharm. Bull. 28
Pages: 1524-1526
Description
「研究成果報告書概要(和文)」より
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[Journal Article] p-Quinone mediates 6-hydroxydopomine-induced dopaminergic neuronal death and ferrous iron accelerates the conversion of p-quinone into melanin extracellularly.2005
Author(s)
Izumi, Y., Sawada, H., Sakka, N., Yamamoto, N., Kume, T., Katsuki, H., Shimohama, S., Akaike, A.
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Journal Title
J. Neurosci. Res. 79
Pages: 849-860
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Iron accelerates the conversion of dopamine-oxidized intermediates into melanin and provides protection in SH-SY5Y cells.2005
Author(s)
Izumi, Y., Sawada, H., Yamamoto, N., Kume, T., Katsuki, H., Shimohama, S., Akaike, A.
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Journal Title
J. Neurosci. Res. 82
Pages: 126-137
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Protective effect of serofendic acid on glutamate-induced neurotoxicity in rat cultured motor neurons.2005
Author(s)
Kume, T., Kawai, Y., Yoshida, K., Nakamizo, T., Kanki, R., Sawada, H., Katsuki, H., Shimohama, S., Sugimoto, H., Akaike, A.
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Journal Title
Neurosci. Lett. 383
Pages: 199-202
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Up-regulation of nicotinic acetylcholine receptors by central-type acetylcholinesterase inhibitors in rat cortical neurons.2005
Author(s)
Kume, T., Sugimoto, M., Takada, Y., Yamaguchi, T., Yonezawa, A., Katsuki, H., Sugimoto, H., Akaike, A.
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Journal Title
Eur. J. Pharmacol. 527
Pages: 77-85
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Serofendic acid prevents 6-hydroxydopamine-induced nigral neurodegeneration and drug-induced rotational asymmetry in hemi-parkinsonian rats.2005
Author(s)
Inden, M., Kitamura, Y., Kondo, J., Hayashi, K., Yanagida, T., Takata, K., Tsuchiya, D., Yanagisawa, D., Nishimura, K., Taniguchi, T., Shimohama, S., Sugimoto.H., Akaike.A.
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Journal Title
J. Neurochem. 95
Pages: 950-961
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Serofendic acid promotes survival of auditory hair cells and neurons of mice.2005
Author(s)
Kita, T., Nakagawa, T., Kim, T., Iwai, K., Takebayashi, S., Akaike, A., Ito, J.
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Journal Title
NeuroReport 16
Pages: 689-692
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Stimulation of nicotinic acetylcholine receptors protects motor neurons.2005
Author(s)
Nakamizo, T., Kawamata, J., Yamashita, H., Kanki, R., Kihara, T., Sawada, H., Akaike, A., Shimohama, S.
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Journal Title
Biochem. Biophys. Res. Com. 330
Pages: 1285-1289
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Up-regulation of nicotinic acetylcholine receptors by central-type acetylcholinesterase inhibitors in rat cortical neurons.2005
Author(s)
Kume, T., Sugimoto, M., Takada, Y., Yamaguchi, T., Yonezawa, A.Katsuki, H., Sugimoto, H., Akaike, A.
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Journal Title
Eur. J. Pharmacol. 527
Pages: 77-85
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Serofendic acid prevents 6-hydroxydopamine-induced nigral neurodegeneration and drug-induced rotational asymmetry in hemi-parkinsonian rats.2005
Author(s)
Inden, M., Kitamura, Y., Kondo, J., Hayashi, K., Yanagida, T., Takata, K., Tsuchiya, D., Yanagisawa, D., Nishimura, K., Taniguchi, T., Shimohama, S., Sugimoto, H., Akaike, A.
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Journal Title
J. Neurochem. 95
Pages: 950-961
Description
「研究成果報告書概要(欧文)」より