Analysis of protein propagation scheme of Lewy body- related alpha- synucleinopathy
Project/Area Number |
24300133
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Partial Multi-year Fund |
Section | 一般 |
Research Field |
Nerve anatomy/Neuropathology
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Research Institution | Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology |
Principal Investigator |
MURAYAMA Shigeo 地方独立行政法人東京都健康長寿医療センター(東京都健康長寿医療センター研究所), 東京都健康長寿医療センター研究所, 研究部長 (50183653)
|
Co-Investigator(Kenkyū-buntansha) |
SAITO Yuko 独立行政法人国立精神・神経医療研究センター, 臨床検査部・臨床検査科, 医長 (60344066)
|
Project Period (FY) |
2012-04-01 – 2015-03-31
|
Project Status |
Completed (Fiscal Year 2014)
|
Budget Amount *help |
¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Fiscal Year 2014: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2013: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2012: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
|
Keywords | レビー小体病 / 免疫組織化学 / αシヌクレイン / ブレインバンク / プリオン / パーキンソン病 / レビー小体型認知症 / 純粋自律神経不全症 / レビー小体 / アルファシヌクレイン |
Outline of Final Research Achievements |
The purpose of this study is to elucidate prion hypothesis of Lewy body- related alpha- synucleinopathy (LBAS). We first found LBAS in the olfactory epithelial cells and supported dual hit hypothesis by Braak’s group. We also proved that LBAS involving the olfactory bulb and amygdala pathway was independent from LBAS in the peripheral autonomic nervous system, spinal cord and brain stem. We also confirmed that LBAS in the preganglionic sympathetic nerves extended from distal axons to their perikarya, as was reported in the postganglionic sympathetic nerves. We also first demonstrated that LBAS affected the primary sensory neurons. LBAS there extended from distal to proximal axons. LBAS in the spinal cord apparently extended from the caudal to rostral extension. These data supported the prion hypothesis of LBAS that its initial peripheral seeding propagated to the central nervous system via neural network.
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Report
(4 results)
Research Products
(107 results)
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[Journal Article] Neuropathologic analysis of Lewy- related alpha- synucleinopathy in olfactory mucosa.2013
Author(s)
147. Funabe S, Takao M, Saito Y, Hatsuta H, Sugiyama M, Ito S, Kanemaru K, Sawabe M, Arai T, Mochizuki H, Hattori N, Murayama S
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Journal Title
Neuropathology
Volume: 33
Pages: 47-58
Related Report
Peer Reviewed
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[Journal Article] Lewy body pathology in a patient with a homozygous Parkin deletion.2013
Author(s)
148. Miyakawa S, Ogino M, Funabe S, Uchino A, Shimo Y, Hattori N, Ichinoe M, Mikami T, Saegusa M, Nishiyama K, Mori H, Mizuno Y, Murayama S, Mochizuki H
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Journal Title
Mov Disord
Volume: 28
Pages: 388-391
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[Journal Article] YY1 binds to alpha-synuclein 3'-flanking region SNP and stimulates antisense noncoding RNA expression.2013
Author(s)
162. Mizuta I, Takafuji K, Ando Y, Satake W, Kanagawa M, Kobayashi K, Nagamori S, Shinohara T, Ito C, Yamamoto M, Hattori N, Murata M, Kanai Y, Murayama S, Nakagawa M, Toda T
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Journal Title
J Hum Genet
Volume: 58
Pages: 711-719
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[Journal Article] Multicentre multiobserver study of diffusion-weighted and fluid-attenuated inversion recovery MRI for the diagnosis of sporadic Creutzfeldt Jakob disease2013
Author(s)
Fujita K, Harada M, Sasaki M, Yuasa T, Sakai K, Hamaguchi T, Sanjo N, Shiga y Satoh K, Atarashi R, Shirabe S, Nagata K, Maeda T, Muravama S, Izumi Y, Kaji R, Yamada M, Mizusawa H.
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Journal Title
BMJ Open Journal
Volume: in press
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Peer Reviewed
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[Journal Article] Altered Y-secretase activity in mild cognitive impairment and Alzheimer's disease2012
Author(s)
Kakuda N, Shoji M, Arai H, Furukawa K, Ikeuchi T, Akazawa K, Takami M, Hatsuta H, Murayama s, Hashimoto Y, Miyajima M, Arai H, Nagashima Y Yamaguchi H, Kuwano R, Nagaike K, Ihara Y ; the Japanese Alzheimer's Disease Neuroimaging Initiative
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Journal Title
Eur J Neurol
Volume: 4
Issue: 4
Pages: 344-352
DOI
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[Journal Article] Reduced brain-derived neurotrophic factor (BDNF) mRNA expression and presence of BDNF-immunoreactive granules in the spinocerebellar ataxia type 6 (SCA6) cerebellum2012
Author(s)
Takahashi M, Ishikawa K, Sato N, Obayashi M, Niimi Y, Ishiguro T, Yamada M, Toyoshima Y, Takahashi H, Kato T, Takao M, Murayama M, Mori O, Eishi Y, Mizusawa H
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Journal Title
Neuropathology
Volume: (in press)
Issue: 6
Pages: 593-603
DOI
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Journal Title
Geriatric Medicine.
Volume: 50
Pages: 653-662
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Pages: 469-480
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Organizer
The XXIth World Congress of Neurology
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Vienna Australia
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[Presentation] FUS-immunopositive Inclusions and Compound Pick Bodies in Two Cases of Frontotemporal Lobar Degeneration with Motor Neuron Disease (FTLDMND).2012
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