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2021 Fiscal Year Final Research Report

Development of radiolabeled probes enabling to detect reactive oxygen species separately in living body

Research Project

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Project/Area Number 19H03607
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 52040:Radiological sciences-related
Research InstitutionKobe Pharmaceutical University

Principal Investigator

Mukai Takahiro  神戸薬科大学, 薬学部, 教授 (30284706)

Co-Investigator(Kenkyū-buntansha) 佐野 紘平  神戸薬科大学, 薬学部, 准教授 (00546476)
山崎 俊栄  神戸薬科大学, 薬学部, 助教 (60636710)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords放射性医薬品 / 活性酸素 / イメージング
Outline of Final Research Achievements

In order to detect reactive oxygen species (ROS) separately in living body, we have developed in vivo imaging probes for ROS and radicals, focusing on the use of radiolabels with excellent detection sensitivity and the principle of the metabolic trapping technique. In other words, we succeeded in synthesizing radioiodinated probes which can cause a dynamic change in lipophilicity upon reaction with the target ROS and radicals, and demonstrated their effectiveness as in vivo detection probes by observing probe retention at the target site in a ROS-produced mouse model.

Free Research Field

放射線科学

Academic Significance and Societal Importance of the Research Achievements

活性酸素種(ROS)はがんや脳卒中、虚血性心疾患、動脈硬化、糖尿病、アルツハイマー病など多岐にわたる病態との関連性が指摘されているが、ROSの種類と疾患との関連度はいまだ明らかでない。特に、ROSやラジカルの産生機構には酸素分圧が影響することが、実態解明の課題となっている。本研究にて得られた成果は、生体そのものでの測定を可能とするものであり、生体微量ラジカルと疾患との関連性解明に貢献するものと期待される。

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Published: 2023-01-30  

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