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2020 Fiscal Year Final Research Report

Elucidation of the relation between novel transcription regulation by Med26 and the onset of neoplastic disease

Research Project

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Project/Area Number 18H02378
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 43010:Molecular biology-related
Research InstitutionYokohama City University

Principal Investigator

TAKAHASHI Hidehisa  横浜市立大学, 医学研究科, 教授 (30423544)

Project Period (FY) 2018-04-01 – 2021-03-31
Keywords遺伝子発現制御 / 転写 / RNAポリメラーゼII
Outline of Final Research Achievements

Protein-encoding genes and non-coding RNA genes are transcribed by RNA polymerase II (Pol II). We have found that the human Mediator subunit Med26 uses two different transcription elongation complexes, Super elongation complex (SEC) and Little elongation complex (LEC), to regulate different types of genes by Pol II. In this study, we found that Med26 and SEC regulate the transcription of mRNA with poly A, while Med26 and LEC regulate the transcription of genes without poly A.

Free Research Field

分子生物学

Academic Significance and Societal Importance of the Research Achievements

本研究で、Med26がSECとLECを使い分けることによって転写開始後のプロセス(転写伸長、転写終結)を制御し、mRNAのポリA付加を決定していることが明らかとなれば、遺伝子発現制御の研究分野においてブレークスルーの1つとなることが期待できる。また、Med26はがんや白血病などの腫瘍性疾患の原因となっていることも予想され、本研究による将来の臨床医学への貢献も期待できる。

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Published: 2022-01-27  

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