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2020 Fiscal Year Final Research Report

Tissue stem cell hierarchical structure analysis in the kidney for overcoming the progression of renal failure

Research Project

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Project/Area Number 17K11192
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Urology
Research InstitutionKansai Medical University

Principal Investigator

KOMAI Yoshihiro  関西医科大学, 医学部, 非常勤講師 (70368231)

Co-Investigator(Kenkyū-buntansha) 松田 公志  関西医科大学, 医学部, 教授 (20192338)
上野 博夫  関西医科大学, 医学部, 教授 (60332368)
Project Period (FY) 2017-04-01 – 2021-03-31
Keywords組織幹細胞 / 腎臓 / Bmi1
Outline of Final Research Achievements

To identify tissue stem cells in the kidney, we analyzed Bmi1-positive cells reported as tissue stem cells in various organs. In experiments using lineage tracing study and immunohistochemistry, Bmi1-positive cells proliferated and differentiated in the kidney. Furthermore, Bmi1-positive cells rapidly supplied cells in the kidney during renal damage caused by anticancer drugs. Therefore, Bmi1-positive cells were considered to be involved in tissue stem cells in the kidney.

Free Research Field

組織幹細胞

Academic Significance and Societal Importance of the Research Achievements

透析患者増加は医療経済面からも大きな問題となっている。腎不全進行を遅らせることが重要課題であるが、腎臓再生研究に関しては、腎臓組織幹細胞を含め、未だ不明な点が多い。
報告者らはレインボーマウスによる多色細胞系譜追跡法を用いて、Bmi1陽性細胞が腎臓組織幹細胞に関与していることを明らかにした。本研究により、慢性腎臓病の新しい治療法開発に貢献するものと考えられる。

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Published: 2022-01-27  

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