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2022 Fiscal Year Final Research Report

Challenge to develop a novel immunosuppressant that defies the conventional wisdom

Research Project

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Project/Area Number 20K21624
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 55:Surgery of the organs maintaining homeostasis and related fields
Research InstitutionTohoku University

Principal Investigator

Goto Masafumi  東北大学, 医学系研究科, 教授 (50400453)

Co-Investigator(Kenkyū-buntansha) 稲垣 明子  東北大学, 医学系研究科, 助教 (20360224)
Project Period (FY) 2020-07-30 – 2023-03-31
Keywords免疫抑制剤 / 膵島移植 / KRP-203 / FTY720
Outline of Final Research Achievements

In the present study, we focused on KRP-203 to establish a new immunosuppressive protocol that does not depend on calcineurin inhibitors, which are the current standard immunosuppressants. As a result, unlike calcineurin inhibitors, it was proved that KRP-203 does not induce glucose intolerance or inhibition of neovascularization in transplanted cell grafts. It was also found to be a safe and effective immunosuppressive agent that can effectively control allogeneic immune rejection when combined with rapamycin.

Free Research Field

移植外科および再生医療

Academic Significance and Societal Importance of the Research Achievements

本研究により、副作用が社会的課題となっている現行の標準法であるカルシニューリン阻害剤に依存しない、患者の体や移植グラフトに優しい新たな免疫抑制療法を樹立することができた。本研究の恩恵を最も直接的に享受するのは糖尿病治療を目的とする膵島移植であるが、耐糖能障害がないという観点では膵臓移植も対象となるし、新生血管構築阻害がないという観点では肝細胞移植など多くの細胞移植医療に恩恵をもたらすことが期待される。

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Published: 2024-01-30  

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