2010 Fiscal Year Final Research Report
Elucidation of defensive mechanisms against oxidative stress and search of novel antioxidative substances
Project/Area Number |
21790070
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Biological pharmacy
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Research Institution | Kyoto University |
Principal Investigator |
IZUMI Yasuhiko Kyoto University, 薬学研究科, 助教 (60456837)
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Project Period (FY) |
2009 – 2010
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Keywords | 酸化ストレス / Nrf2-ARE経路 |
Research Abstract |
Nuclear erythroid 2 p45-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway, which induces expression of antioxidant proteins, is a cellular response to oxidative stress. In this study, we clarified the regulatory mechanisms of Nrf2-ARE system and identified a novel activator. First, we examined the effect of bioactive substances on Nrf2-ARE activation by sulforaphan, which is a well-known activator. We found that retinoic acid enhanced sulforaphan-induced ARE activation. Second, we identified a novel activator from extract of Perilla frutescens and clarified the protective effect against 6-hydroxydopamine-induced cell death.
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Research Products
(25 results)
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[Journal Article] Glutathione biosynthesis via activation of the nuclear factor E2-related factor 2 (Nrf2)-antioxidant-response element (ARE) pathway is essential for neuroprotective effects of sulforaphane and 6-(methylsulfinyl) hexyl isothiocyanate.2011
Author(s)
Mizuno, K., Kume, T., Muto, C., Takada-Takatori, Y., Izumi, Y., Sugimoto, H., Akaike, A.
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Journal Title
J.Pharmacol.Sci. 115
Pages: 320-328
Peer Reviewed
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[Journal Article] Reconstruction and quantitative evaluation of dopaminergic innervation of striatal neurons in dissociated primary cultures.2010
Author(s)
Wakita, S., Izumi, Y., Matsuo, T., Kume, T., Takada-Takatori, Y., Sawada, H.Akaike, A.
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Journal Title
J.Neurosci.Methods. 192
Pages: 83-89
Peer Reviewed
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[Journal Article] Protective effect of aripiprazole against glutamate cytotoxicity in dopaminergic neurons of rat mesencephalic cultures.2010
Author(s)
Matsuo, T., Izumi, Y., Kume, T., Takada-Takatori, Y., Sawada, H.Akaike, A.
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Journal Title
Neurosci. Lett. 481
Pages: 78-81
Peer Reviewed
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[Journal Article] Heme oxygenase-1 contributes to pathology associated with thrombin-induced striatal and cortical injury in organotypic slice culture.2010
Author(s)
Ohnishi, M., Katsuki, H., Unemura, K., Izumi, Y., Kume, T., Takada-Takatori, Y.Akaike, A.
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Journal Title
Brain Res. 1347
Pages: 170-178
Peer Reviewed
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[Journal Article] Mitogen-activated protein kinases support survival of activated microglia that mediate thrombin-induced striatal injury in organotypic slice culture.2010
Author(s)
Ohnishi, M., Katsuki, H., Izumi, Y., Kume, T., Takada-Takatori, Y.Akaike, A.
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Journal Title
J.Neurosci.Res. 88
Pages: 2155-2164
Peer Reviewed
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[Journal Article] Haloperidol, spiperone, pimozide and aripiprazole reduce intracellular dopamine content in PC12 cells and rat mesencephalic cultures : Implication of inhibition of vesicular transport.2010
Author(s)
Matsuo, T., Izumi, Y., Wakita, S., Kume, T., Takada-Takatori, Y., Sawada, H.Akaike, A.
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Journal Title
Eur.J.Pharmacol. 640、
Pages: 68-74
Peer Reviewed
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[Journal Article] Depolarizing stimuli cause persistent and selective loss of orexin in rat hypothalamic slice culture.2010
Author(s)
Katsuki, H., Kurosu, S., Michinaga, S., Hisatsune, A., Isohama, Y., Izumi, Y., Kume, T.Akaike, A.
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Journal Title
Peptides 31
Pages: 1131-1138
Peer Reviewed
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[Journal Article] Elevation of heme oxygenase-1 by proteasome inhibision affords dopaminergic neuroprotection.2010
Author(s)
Yamamoto, N., Izumi, Y., Matsuo, T., Wakita, S., Kume, T., Takada-Takatori, Y., Sawada, H.Akaike, A.
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Journal Title
J.Neurosci.Res. 88
Pages: 1934-1942
Peer Reviewed
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[Journal Article] Mechanisms of chronic nicotine treatment-induced enhancement of the sensitivity of cortical neurons to the neuroprotective effect of donepezil in cortical neurons.2010
Author(s)
Takada-Takatori, Y., Kume, T., Izumi, Y., Niidome, T., Fujii, T., Sugimoto, H.Akaike, A.
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Journal Title
J.Pharmacol.Sci. 112
Pages: 265-272
Peer Reviewed
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[Journal Article] Dopamine facilitates .-synuclein oligomerization in human neuroblastoma SH-SY5Y cells.2010
Author(s)
Yamakawa, K., Izumi, Y., Takeuchi, H., Yamamoto, N., Kume, T., Akaike, A., Takahashi, R., Shimohama, S.Sawada, H.
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Journal Title
Biochem. Biophys.Res. Commun. 391
Pages: 129-134
Peer Reviewed
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[Presentation] Reconstruction of the nigrostriatal projections in dissociated primary cultures : A role of striatal cells in dopaminergic neurite outgrowth.2010
Author(s)
Wakita, S., Izumi, Y., Kume, T., Sawada, H., Akaike, A.
Organizer
World Pharma 2010
Place of Presentation
Copenhagen, Denmark
Year and Date
2010-06-19
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[Presentation] Paraquat activates Nrf2-ARE pathway : implication of decrease in proteasome activity in dopamine-mediated cytotoxicity.2010
Author(s)
Izumi, Y., Matsushima, S., Yamamoto, N., Kume, T., Sawada, H., Akaike, A.
Organizer
World Pharma 2010
Place of Presentation
Copenhagen, Denmark
Year and Date
2010-06-19