Development of blood biomarker for neuronal injury
| Project/Area Number |
15K14353
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Neurochemistry/Neuropharmacology
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| Research Institution | Yokohama City University |
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Principal Investigator |
TAKEI Kohtaro 横浜市立大学, 生命医科学研究科, 教授 (40202163)
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| Co-Investigator(Renkei-kenkyūsha) |
TANAKA Fumiaki 横浜市立大学, 医学研究科, 教授 (30378012)
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| Research Collaborator |
KURIHARA Yuji
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | バイオマーカー / 神経障害 / 血液 / LOTUS / ELISA法 / MRM法 / 脳脊髄液 / 脳神経疾患 / 髄液 / 診断マーカー / 多発性硬化症 |
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| Outline of Final Research Achievements |
We have made an attempt to detect and examine blood levels of LOTUS. First, we analyzed specific amino acid sequences at the C-terminal of secreted LOTUS in blood and found end of the C-terminal in intermediate region between EGF domain and expected GPI binding site. We detected seven fragments of LOTUS in blood, in total. While most of the fragments were not suitable for application of MRM method due to lack of sensitivity for the MRM methodology, one fragment could be applied to the MRM method. On the other hand, we identified peptide region of LOTUS as an antigen for specific monoclonal antibody against secreted LOTUS in blood, and obtained successfully the specific monoclonal antibody. Then, western blotting using the specific monoclonal antibody revealed that small amount of secreted LOTUS in blood could be detected. We have now tried to examine and validate association of blood levels of the secreted LOTUS with disease activity in MS.
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Report
(3 results)
Research Products
(11 results)
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[Journal Article] Association of cerebrospinal fluid levels of lateral olfactory usher substance protein with disease activity in multiple sclerosis.2015
Author(s)
Takahashi, K., Kurihara, Y., Suzuki, Y., Goshima, Y., Tanaka, F., and Takei,
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Journal Title
JAMA Neurology
Volume: 72
Pages: 176-179
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Presentation] LOTUS protein, an endogenous Nogo receptor antagonist, is associated with induction of experimental autoimmune encephalomyelitis (EAE)2016
Author(s)
Takahashi, K., Kurihara, Y., Takeuchi, H., Takei, K., Tanaka, F.
Organizer
第3回MS Summer College
Place of Presentation
ルネッサンスサッポロホテル（北海道札幌市）
Year and Date
2016-08-06
Related Report
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