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2023 Fiscal Year Final Research Report

GREB1-signaling in promoting tumorigenesis of pediatric cancer

Research Project

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Project/Area Number 22K20791
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0901:Oncology and related fields
Research InstitutionOsaka University

Principal Investigator

HARADA Akikazu  大阪大学, 大学院医学系研究科, 助教 (30963350)

Project Period (FY) 2022-08-31 – 2024-03-31
Keywords小児がん / 遺伝子発現制御
Outline of Final Research Achievements

This study aims to demonstrate the biological role of GREB1 in cancer development, especially in neuroblastoma, and to elucidate the molecular mechanisms of tumorigenesis in pediatric cancers, which progress without accumulating many genetic mutations as in adult cancer. In neuroblastoma, GREB1 was found to be expressed under MYCN gene amplification and a specific neuroblastoma subtype. GREB1 also interacts with histone demethylases and switches the identity of neuroblastoma by regulating transcription.

Free Research Field

腫瘍生物学

Academic Significance and Societal Importance of the Research Achievements

小児がんにおいても、成人がんと同様にゲノム解析や遺伝子発現解析といった網羅的なデータが蓄積されてきたが、それらの異常がどのように連続的に関連するのか、その分子実体は不明のままである。そのため、介入可能な標的分子の同定が難しく、小児がんにおいて使用可能な分子標的治療薬が現状では少ない。本研究は小児がん特有の発がん機構を分子レベルで明らかにすることで、成人がんと異なる治療戦略を開発する端緒となりうる点で大きな意義がある。

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Published: 2025-01-30  

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