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2020 Fiscal Year Final Research Report

Elucidation of the molecular mechanism of the postsynaptic maturation process by the synaptic organizer Cbln1

Research Project

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Project/Area Number 18K06492
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 46010:Neuroscience-general-related
Research InstitutionSt. Marianna University School of Medicine

Principal Investigator

IBATA KEIJI  聖マリアンナ医科大学, 医学部, 講師 (30462659)

Co-Investigator(Kenkyū-buntansha) 幸田 和久  聖マリアンナ医科大学, 医学部, 教授 (40334388)
Project Period (FY) 2018-04-01 – 2021-03-31
Keywordsプルキンエ細胞 / シナプス形成
Outline of Final Research Achievements

Cbln1, a synapse organizer secreted in an activity-dependent manner, forms a tripartite complex with presynaptic neurexin and postsynaptic GluD2 to form and maintain synapses. In this study, we investigated how Cbln1 exerts its effects after binding to postsynaptic GluD2. We found that Cbln1 induces a change in the localization of GluD2. Our results suggest that GluD2 localization changes play a role in the postsynaptic maturation process.

Free Research Field

神経科学

Academic Significance and Societal Importance of the Research Achievements

近年、シナプスの異常が多くの精神疾患の本体であると考えられてきている。本研究では、平行線維-プルキンエ細胞シナプスにおけるシナプス後部の成熟のメカニズムの一部を明らかにした。本成果とさらなる研究によってシナプスの形成・維持およびその可塑性の分子メカニズムを明らかにすることで、脳機能のメカニズムを理解し、同時に、その病態を解明することにつながると考えている。

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Published: 2022-01-27  

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