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2022 Fiscal Year Final Research Report

Dissecting the relevance of RNA regulatory mechanisms in anti-cancer drug-induced heart failure

Research Project

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Project/Area Number 21K20889
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0902:General internal medicine and related fields
Research InstitutionAkita University

Principal Investigator

SATO TERUKI  秋田大学, 医学系研究科, 助教 (30733422)

Project Period (FY) 2021-08-30 – 2023-03-31
KeywordsOnco-cardiology / heart failure
Outline of Final Research Achievements

We focused on Cnot6L, which is one of crucial factor of deadenylation. RNA-sequence showed increased gene-X mRNA in Cnot6L knockout heart with TAC. Double knockout of Cnot6L and gene-X rescued pressure overload-induced cardiac dysfunction and hypertrophy of Cnot6L single knockout mice, suggesting that Cnot6L deadenylation of gene-X regulates heart function. Moreover, PAT assay showed the elongation of poly A tail length of gene-X mRNA in Cnot6L knockout cardiomyocytes. Thus, deadenylation by Cnot6L contributes controlling heart function via regulation of gene-X mRNA.

Free Research Field

Onco-Cardiology

Academic Significance and Societal Importance of the Research Achievements

癌患者における心血管疾患は癌死を除いては最大の死因である。癌患者のみならず、心不全発症の分子機構はいまだに解明されていない点が多く、他臓器と違い分子標的薬が開発されていない。発症機序の解明が不十分であることから治療法の開発にも至っていない。RNA調節機構に着目して行った本研究は、これまでの研究とは違ったアプローチと考えられ、今後も推進していく価値があると考えている。

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Published: 2024-01-30  

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