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2022 Fiscal Year Final Research Report

Pathological Significance of TREM2 in Obesity/Diabetes-Related Cognitive Impairment through the Brain-Adipose Tissue Axis

Research Project

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Project/Area Number 19K07927
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52010:General internal medicine-related
Research InstitutionHealth Science University

Principal Investigator

TANAKA Masashi  健康科学大学, 健康科学部, 教授 (60381167)

Co-Investigator(Kenkyū-buntansha) 浅原 哲子 (佐藤哲子)  独立行政法人国立病院機構(京都医療センター臨床研究センター), 内分泌代謝高血圧研究部, 研究部長 (80373512)
猪原 匡史  国立研究開発法人国立循環器病研究センター, 病院, 部長 (00372590)
Project Period (FY) 2019-04-01 – 2023-03-31
KeywordsTREM2 / ミクログリア / 認知症 / 炎症 / 糖尿病 / 肥満
Outline of Final Research Achievements

The present study demonstrated novel suppressive effects of bioactive molecule taxifolin and peptide hormone oxytocin on microglial activation. Furthermore, our longitudinal study showed that serum sTREM2 levels would be a potential novel marker for predicting cognitive impairment in type 2 diabetes, using a database of a multicenter prospective observational cohort study including patients with obesity and/or diabetes. These findings could help develop novel predictive markers and effective therapeutic strategies for cognitive impairment in patients with diabetes.

Free Research Field

免疫学、生理学、分子遺伝学、代謝学

Academic Significance and Societal Importance of the Research Achievements

本研究により、脳保護におけるタキシフォリンとオキシトシンの新規機能的意義が明らかとなり、認知機能低下抑制のための新たな介入の可能性が見出された。また、糖尿病患者の血清sTREM2を検討することで、将来的な認知機能低下のリスクを予測できる可能性が示され、血清sTREM2の新たな臨床的意義が明らかとなった。これらの成果は、糖尿病に伴う認知機能低下の新規予知指標・治療戦略の構築に貢献できると考えられる。

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Published: 2024-01-30  

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