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2018 Fiscal Year Final Research Report

Altered molecular interaction between LRR synapse organizer and metabotropic receptors as a core mechanism for neurodevelopmental disorders

Research Project

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Project/Area Number 16H04666
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Nerve anatomy/Neuropathology
Research InstitutionNagasaki University

Principal Investigator

ARUGA Jun  長崎大学, 医歯薬学総合研究科(医学系), 教授 (10232076)

Research Collaborator YASUDA Hiroki  
NAKAGAWA Shinsuke  
HATAYAMA Minoru  
Project Period (FY) 2016-04-01 – 2019-03-31
Keywords神経発達障害 / 多動症 / シナプス伝達 / 疾患モデル動物 / 膜タンパク質 / タンパク質間結合 / 遺伝子変異
Outline of Final Research Achievements

In this study, we aimed a better understanding of the disease core mechanism underlying neurodevelopmental disorders including attention-deficit hyperactivity disorder. For this purpose, we focused on the molecular interaction between LRR synapse organizer and metabotropic receptors. Abnormalities appeared in the mice lacking these proteins were analyzed through multidisciplinary approach. As a result, altered synaptic structure and function as well as altered monoaminergic systems that control overall neuronal activities are found to be critically involved in the pathophysiology.

Free Research Field

神経生物学

Academic Significance and Societal Importance of the Research Achievements

・研究の対象とした分子機構は申請者らが見いだしたものであり、今回の研究で実験動物を用いて、その生理的意義が明らかになったので、分子レベルでの脳の働きの理解に貢献すると考えられる。
・明らかになった事実は神経発達障害の発症の仕組みの理解、より良い診断法や治療薬の開発に貢献すると予測される。
・解析に用いた遺伝子変異マウスは疾患モデル動物として、さまざまな治療薬の妥当性を評価することに用いられると予測される。

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Published: 2020-03-30  

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