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2022 Fiscal Year Final Research Report

The roles of ATP-sensitive potassium channels in diabetic polyneuropathy

Research Project

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Project/Area Number 20K08873
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54040:Metabolism and endocrinology-related
Research InstitutionAichi Medical University

Principal Investigator

Yoshiro Kato  愛知医科大学, 医学部, 教授 (40513429)

Co-Investigator(Kenkyū-buntansha) 成瀬 桂子  愛知学院大学, 歯学部, 教授 (30387576)
加藤 宏一  愛知学院大学, 薬学部, 教授 (40319322)
姫野 龍仁  愛知医科大学, 医学部, 講師 (60753762)
神谷 英紀  愛知医科大学, 医学部, 教授 (70542679)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywords糖尿病性神経障害
Outline of Final Research Achievements

The physiological effects of ATP-sensitive potassium channels in the peripheral nervous system were evaluated. Using mice with specific defects of these channels in the peripheral nervous system, nerve conduction study and sensory function tests were performed to evaluate changes in peripheral nerve function over time. The results revealed a gradual decline in sensory nerve function. Furthermore, we observed morphological changes, such as the number of nerve fibers, in mice with reduced sensory nerve function using transmission electron microscopy. These findings indicate that these channels play an important role in the homeostasis of the peripheral nervous system and that their dysfunction causes a pathology similar to diabetic polyneuropathy.

Free Research Field

糖尿病学

Academic Significance and Societal Importance of the Research Achievements

糖尿病性多発神経障害は高頻度に認められる糖尿病性合併症である。糖尿病の病初期より発症するにもかかわらず、その病態は詳らかではない。本研究では、糖尿病性多発神経障害の病態解明の一助となるべき知見を新たに発見した。この成果により、糖尿病性多発神経障害の発症および病態進展を予防できる治療法の開発が見込まれ、糖尿病性多発神経障害を基礎疾患とする糖尿病性足病変の予防につながることも期待できる。このことは、糖尿病に苦しめられるヒトの幸福度向上をもたらし、ヒト社会全体の幸福度向上に寄与することが予見される。

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Published: 2024-01-30  

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