| Project/Area Number |
16K08936
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Laboratory medicine
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| Research Institution | Tokyo Women's Medical University (2017-2018)
Ehime University (2016) |
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Principal Investigator |
Hiroshi Onuma 東京女子医科大学, 医学部, 准教授 (00294794)
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| Co-Investigator(Kenkyū-buntansha) |
高田 康徳 愛媛大学, 医学系研究科, 准教授 (20432792)
大澤 春彦 愛媛大学, 医学系研究科, 教授 (90294800)
川村 良一 愛媛大学, 医学系研究科, 講師 (90533092)
橋田 誠一 徳島文理大学, 大学共同利用機関等の部局等, 教授 (10156268)
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| Project Period (FY) |
2016-04-01 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2018)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | GAD抗体 / HLA / 高感度ELISA / 糖尿病 |
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| Outline of Final Research Achievements |
The aim of this study is to perform the new classification of diabetes based on high sensitivity GAD antibody and HLA typing. High sensitivity GAD (hsGAD) antibody was detected more frequently than GAD antibody measured by the existing system in patient diagnosed as type 2 diabetes (T2D) in current classification. Those with hsGAD antibody had a tendency to have lower serum C-peptide and higher frequency of type 1 diabetes susceptible classII HLA than those without hsGAD antibody. HsGAD antibody and HLA typing might predicted the case deteriorating into insufficiency of insulin secretion in T2D.
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| Academic Significance and Societal Importance of the Research Achievements |
HLA各座位とインスリン分泌能（Cペプチド）、膵β細胞障害性(膵島自己抗体)の関連を明らかにして、β細胞破壊の指標とHLAの多型に基づいた糖尿病の新たな分類を行うことが可能になれば、臨床経過の予測や治療選択の有用な指標となる。さらに、HLAの多型に基づいた、糖尿病治療関連疾患の新たな治療戦略を見出す可能性も期待される。
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