Amyotrophic Lateral Sclerosis and TDP-43: Elucidation of molecular neuropathology in terms of spread from its beginning
Project/Area Number |
26250017
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Nerve anatomy/Neuropathology
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Research Institution | Niigata University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
小野寺 理 新潟大学, 脳研究所, 教授 (20303167)
豊島 靖子 新潟大学, 脳研究所, 准教授 (20334675)
他田 真理 新潟大学, 脳研究所, 助教 (30646394)
清水 宏 新潟大学, 脳研究所, 助教 (40608767)
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Co-Investigator(Renkei-kenkyūsha) |
KAKITA Akiyoshi 新潟大学, 脳研究所, 教授 (80281012)
SAKIMURA Kenji 新潟大学, 脳研究所, 教授 (40162325)
IKEUCHI Takeshi 新潟大学, 脳研究所, 教授 (20372469)
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Project Period (FY) |
2014-04-01 – 2017-03-31
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Project Status |
Completed (Fiscal Year 2016)
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Budget Amount *help |
¥39,780,000 (Direct Cost: ¥30,600,000、Indirect Cost: ¥9,180,000)
Fiscal Year 2016: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2015: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2014: ¥22,100,000 (Direct Cost: ¥17,000,000、Indirect Cost: ¥5,100,000)
|
Keywords | 筋萎縮性側索硬化症 / 神経病理学 / 脳神経疾患 / 神経変性疾患 / TDP-43 |
Outline of Final Research Achievements |
We found that TDP-43 regulates the level of-its-own protein by alternative splicing within exon 6. Surprisingly, we found that the proportion of TDP-43 mRNA associated with this autoregulation increases in the spinal cord of ALS patients. It was confirmed that this mutant co-localized with TDP-43 immuno-positive inclusion body in anterior horn cells of ALS patients. This suggested that this abnormal protein may be the beginning of ALS lesion. We reevaluated the cortical TDP-43 pathology in cases of sporadic ALS, using semi-quantitative estimation of pTDP-43-positive dystrophic neurite in the temporal neocortex,the case were divided into three groups, types 1, 2a and 2b. Type 2b has characteristic clinicopathological features. Considering the patient survaival time and severity of motor neuron loss, each group was regarded as independent subtype, indicating that transition from type 1 to type 2a, or from type 2a to type 2b during the disease course appeared unlikely.
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Report
(4 results)
Research Products
(26 results)
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[Journal Article] Heterogeneity of cerebral TDP-43 pathology in sporadic amyotrophic lateral sclerosis: Evidence for clinico-pathologic subtypes.2016
Author(s)
Takeuchi R, Tada M, Shiga A, Toyoshima Y, Konno T, Sato T, Nozaki H, Kato T, Horie M, Shimizu H, Takebayashi H, Onodera O, Nishizawa M, Kakita A, Takahashi H.
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Journal Title
Acta Neuropathol Commun
Volume: 4
Issue: 1
Pages: 61-61
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Journal Article] Increased cytoplasmic TARDBP mRNA in affected spinal motor neurons in ALS caused by abnormal autoregulation of TDP-43.2016
Author(s)
Koyama A, Sugai A, Kato T, Ishihara T, Shiga A, Toyoshima Y, Koyama M, Konno T, Hirokawa S, Yokoseki A, Nishizawa M, Kakita A, Takahashi H, Onodera O.
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Journal Title
Nucleic Acids Res
Volume: 44
Issue: 12
Pages: 5820-5836
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Journal Article] Clinicopathological characteristics of patients with amyotrophic lateral sclerosis resulting in a totally locked-in state (communication Stage V).2016
Author(s)
Hayashi K, Mochizuki Y, Takeuchi R, Shimizu T, Nagao M, Watabe K, Arai N, Oyanagi K, Onodera O, Hayashi M, Takahashi H, Kakita A, Isozaki E.
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Journal Title
Acta Neuropathol Commun
Volume: 4
Issue: 1
Pages: 107-107
DOI
NAID
Related Report
Peer Reviewed / Open Access
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[Journal Article] Pathological and Clinical Spectrum of Progressive Supranuclear Palsy: With Special Reference to Astrocytic Tau Pathology.2016
Author(s)
Yokoyama Y, Toyoshima Y, Shiga A, Tada M, Kitamura H, Hasegawa K, Onodera O, Ikeuchi T, Someya T, Nishizawa M, Kakita A, Takahashi H.
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Journal Title
Brain Pathol.
Volume: 26
Issue: 2
Pages: 155-166
DOI
Related Report
Peer Reviewed
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[Journal Article] Zinc transporters ZnT3 and ZnT6 are downregulated in the spinal cords of patients with sporadic amyotrophic lateral sclerosis2015
Author(s)
Kaneko M, Noguchi T, Ikegami S, Sakurai T, Kakita A, Toyoshima Y, Kambe T, Yamada M, Inden M, Hara H, Oyanagi K, Inuzuka T, Takahashi H, Hozumi I.
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Journal Title
J Neurosci Res
Volume: 93(2)
Issue: 2
Pages: 370-9
DOI
NAID
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Globular Glial Mixed Four Repeat Tau and TDP-43 Proteinopathy with Motor Neuron Disease and Frontotemporal Dementia.2015
Author(s)
Takeuchi R, Toyoshima Y, Tada M, Tanaka H, Shimizu H, Shiga A, Miura T, Aoki K, Aikawa A, Ishizawa S, Ikeuchi T, Nishizawa M, Kakita A, Takahashi H.
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Journal Title
Brain Pathology
Volume: in press
Issue: 1
Pages: 82-94
DOI
Related Report
Peer Reviewed
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[Presentation] Globular glial mixed four repeat tau and TDP-43 proteinopathy with motor neuron disease and frontotemporal dementia.2015
Author(s)
Takeuchi R, Toyoshima Y, Tada M, Shiga A, Miura T, Aoki K, Ikeuchi T, Nishizawa M, Kakita A, Takahashi H
Organizer
26th International Symposium on ALS/MND
Place of Presentation
Orlando, USA
Year and Date
2015-12-11
Related Report
Int'l Joint Research
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[Presentation] TDP-43陽性封入体の出現を認めた家族性ALSの姉妹剖検例.2015
Author(s)
清水 宏, 田中英智, 松崎紗矢香, 黒羽泰子, 金沢雅人, 小池亮子, 堀川 楊, 小柳清光, 小野寺 理, 西澤正豊, 柿田明美, 高橋 均
Organizer
第56回日本神経病理学会
Place of Presentation
九州大学医学部百年講堂(福岡県・福岡市)
Year and Date
2015-06-05
Related Report
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[Presentation] Distinct patterns of neuronal and glial TDP-43 inclusions in motor cortex.2015
Author(s)
Takeuchi R, Tada M, Toyohima Y, Shiga A, Sato A, Horie M, Takebayashi H, Onodera O, Nishizawa M, Takahashi H, Kakita A
Organizer
第56回日本神経学会
Place of Presentation
朱鷺メッセ(新潟県・新潟市)
Year and Date
2015-05-25
Related Report
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[Presentation] Update in amyotrophic lateral sclerosis2014
Author(s)
Onodera O, Nishizawa M, Takahashi H
Organizer
The XVIII International Congress of Neuropathology
Place of Presentation
Sheraton Rio Hotel & Resort, Rio de Janeiro, Brazil
Year and Date
2014-09-14 – 2014-09-18
Related Report
Invited
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