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2021 Fiscal Year Final Research Report

Development of purification method using fructose metabolic pathway of human iPS cell-derived hepatocytes

Research Project

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Project/Area Number 20K22747
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0802:Biomedical structure and function and related fields
Research InstitutionKansai Medical University

Principal Investigator

YAMASHITA Hiromi  関西医科大学, 医学部, 助教 (30594890)

Project Period (FY) 2020-09-11 – 2022-03-31
Keywords肝細胞精製
Outline of Final Research Achievements

The representative examined the conditions for the purpose of metabolically purifying human iPS cell-derived hepatocytes (hiHep) with high purity. Although there was a problem with the accurate liver purity measurement method, we succeeded in enrichment of hiHep to some extent.

Free Research Field

再生医学

Academic Significance and Societal Importance of the Research Achievements

ヒトiPS細胞を用いた再生医療に対する社会的期待は極めて高い。しかし、iPS細胞から意図せず分化した増殖性細胞や残存iPS細胞による腫瘍形成リスクは重大な懸念である。そこで代表者らは以前にヒトES/iPS細胞由来心筋細胞の高度大量精製法を開発したが、肝細胞にはそのような精製法が無く、移植hiHepの安全性が担保されていない。
本研究成果によって、レポーターや自殺遺伝子を導入するような遺伝子改変を伴わずに安全、かつ低コストな肝細胞大量精製を実現し肝臓再生医療に貢献出来る。

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Published: 2023-01-30   Modified: 2026-01-16  

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