2021 Fiscal Year Final Research Report
Functional role of Transforming growth factor beta during enamel formation
| Project/Area Number |
17K11975
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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 |
Orthodontics/Pediatric dentistry
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| Research Institution | Tsurumi University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
山越 康雄 鶴見大学, 歯学部, 教授 (20182470)
山本 竜司 鶴見大学, 歯学部, 講師 (20410053)
唐木田 丈夫 鶴見大学, 歯学部, 講師 (40367305)
小林 冴子 鶴見大学, 歯学部, 助教 (90804534)
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| Project Period (FY) |
2017-04-01 – 2022-03-31
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| Keywords | エナメル質 / 幼若エナメル質 / エナメルタンパク質 / 生理活性物質 / TGF-β / アメロゲニン |
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| Outline of Final Research Achievements |
We focused on transforming growth factor beta (TGF-β), which is found in the process of enamel formation, to elucidate its role and function, and mainly investigated the protein dynamics of TGF-β1. We have elucidated the autocrine mechanism of TGF-β1 by ameloblasts and the complex formation of TGF-β1 with amelogenin fragments in the enamel matrix. We have also identified possible roles for TGF-β in the induction of apoptosis in ameloblasts, endocytosis of amelogenin, and induction of epithelial-mesenchymal transition. Furthermore, we found that the effects on these functions differ among TGF-β isoforms (β1, β2, and β3).
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| Free Research Field |
歯学・矯正・小児系歯学
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| Academic Significance and Societal Importance of the Research Achievements |
本研究により、正常なエナメル質形成のメカニズム解明に迫ることのみならず、Amel-TGF-β複合体を応用した新たな歯科再生医療技術の構築が十分に考えられ、学術的および社会的意義は高い。またTGF-βアイソフォーム間による影響を検証することで、形成不全や腫瘍化に至る異常なシグナルについて知る可能性を示唆する。
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