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2022 Fiscal Year Final Research Report

Elucidation of utilization of iron in mitochondria of renal cell carcinoma and its clinical application

Research Project

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Project/Area Number 20K09565
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56030:Urology-related
Research InstitutionNara Medical University

Principal Investigator

Nakai Yasushi  奈良県立医科大学, 医学部, 講師 (90445065)

Co-Investigator(Kenkyū-buntansha) 藤本 清秀  奈良県立医科大学, 医学部, 教授 (50264867)
三宅 牧人  奈良県立医科大学, 医学部, 講師 (80601400)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywords腎細胞癌 / 鉄 / ミトコンドリア
Outline of Final Research Achievements

Iron can contribute to tumor growth and carcinogenesis in renal cell carcinoma. Although iron chelators have shown great potential in preclinical cancer models, they can cause infection and gastrointestinal bleeding.
The present study demonstrated that 5-aminoleurinic acid (ALA) decreased iron levels in renal cell carcinoma and inhibited renal cell carcinoma cell proliferation. Furthermore, 5-ALA inhibited carcinogenesis and tumor growth in vivo study.
These results indicate that 5-ALA potentially can be used as a new anti-cancer agent for renal cell carcinoma without the use of an iron chelator.

Free Research Field

泌尿器科

Academic Significance and Societal Importance of the Research Achievements

腎細胞癌においては、様々な薬剤の効果が認められ使用可能となっているが、特に転移性の腎細胞癌は、依然予後不良な疾患である。
5-アミノレブリン酸(ALA)は、ミトコンドリアにおけるヘム合成経路でで鉄を利用することで、癌制御を示した。このため、鉄をキレートせずに鉄を制御し、癌を抑制することが可能な新しい治療薬としての可能性を示した。

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Published: 2024-01-30  

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