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2023 Fiscal Year Final Research Report

Analysis of metabolic pathways in adipose tissue-derived mesenchymal stem cells-hematopoietic stem cells: focus on anti-aging effects

Research Project

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Project/Area Number 20K08721
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54010:Hematology and medical oncology-related
Research InstitutionAichi Medical University

Principal Investigator

Nakayama Takayuki  愛知医科大学, 医学部, 教授 (00456659)

Co-Investigator(Kenkyū-buntansha) 都築 忍  愛知医科大学, 医学部, 教授 (00342965)
Project Period (FY) 2020-04-01 – 2024-03-31
Keywords血液凝固 / 脂肪組織由来間葉系幹細胞 / 造血支持能力
Outline of Final Research Achievements

We found that ADSCs have better hematopoietic support than BMSCs, but the mechanism is unknown; it has been reported that the transcription factor Ebf3 is abundantly expressed in BMSCs and maintains hematopoietic support by preventing differentiation into osteoblasts. We observed that BMSCs differentiated into adipocytes and osteoblasts, while ADSCs hardly differentiated into osteoblasts, and ADSCs abundantly expressed Ebf3. Since ADSCs have stronger blood coagulation activity than BMSCs (which promotes tissue repair), we have changed the course of our research and are now analyzing ADSCs for their effects on blood coagulation.

Free Research Field

血液内科学

Academic Significance and Societal Importance of the Research Achievements

我々の観察では、BMSCは、脂肪細胞と骨芽細胞に分化したが、ADSCにおいては脂肪細胞によく分化したが骨芽細胞にほとんど分化しなかった。そのためADSCにおいては、Ebf3が強力に骨芽細胞分化を抑制することにより造血支持機能を残存していると予想した。そこでEbf3をノックダウンして機能の解析を試みたが、うまく機能しなかった。ADSCは、BMSCよりも強い血液凝固作用(組織修復を促進する)を有していたため方針転換を行いADSCのその作用について解析を行なっている。骨髄における造血と血液凝固の相関は、ほとんど報告されておらず、新たな研究テーマとなりうる可能性がある。

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Published: 2025-01-30  

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