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2022 Fiscal Year Final Research Report

Elucidation of the pathogenesis of cognitive dysfunction in diabetes mellitus by focusing on the decrease of L-lactate from hippocampal astrocytes

Research Project

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Project/Area Number 21K20877
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0902:General internal medicine and related fields
Research InstitutionNagoya City University

Principal Investigator

Morishima Tetsuro  名古屋市立大学, 医薬学総合研究院(医学), 准教授 (10448714)

Project Period (FY) 2021-08-30 – 2023-03-31
Keywords認知機能障害 / 糖尿病 / アストロサイト / L-乳酸
Outline of Final Research Achievements

The number of diabetic patients is exploding worldwide, and the number of patients suffering from its complications is also increasing. Cognitive dysfunction is a common complication of the central nervous system in diabetic patients, but there are few treatment options and the pathophysiology is not well understood. It is important to elucidate the mechanisms of cognitive dysfunction in diabetic patients, not only in Japan, which has become a hyper-aged society, but also in other developed countries with aging populations. This study is also of great academic significance because it is the result of the use of technology that enables the spatio-temporal regulation of specific nervous system cell functions using adeno-associated viral vectors and chemical genetic techniques.

Free Research Field

麻酔科学

Academic Significance and Societal Importance of the Research Achievements

糖尿病患者の数は、全世界的に爆発的に増加しており、その合併症に悩まされる患者の数も多くなっている。糖尿病患者にみられる中枢神経系の合併症として認知機能障害があるが、その治療法は少なく、病態生理学的な理解も進んでいない。糖尿病患者にみられる認知機能障害のメカニズムを明らかにすることは、超高齢社会となった日本だけではなく、今後、高齢化が進む先進国においても重要な課題である。また、本研究は、アデノ随伴ウイルスベクターと化学遺伝学的手法を用いて、特定の神経系細胞の機能を時空間的に調節できる技術を利用した結果であり、学術的意義も高いと考えている。

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Published: 2024-01-30  

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