What is the clinical evidence from this study?

Study design: Other. Population: Myocardial hypertrophy. Intervention: Isoproterenol (ISO) and surgical induction. Primary outcome: RNA Pol III-dependent gene transcription and Brf1 expression.

What type of study is this?

This is a Cohort Study study (also classified as: Animal Study, Experimental Study).

October 9, 2025Circulation Research

Abstract Wed002: Deregulation of RNA Pol III-dependent genes in myocardial hypertrophy

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Key result

Hypertrophic stimuli increase RNA Pol III-dependent transcription and Brf1 expression in mouse models.

Population

ISO and surgical induced myocardial hypertrophy models of mice and tissue culture

Design

Preclinical

Authors

LZLiling ZhengFujian Medical University SZShuping ZhongUniversity of Southern California

Discussion

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Implication

RNA Pol III-dependent genes and the transcription factor Brf1 are upregulated in myocardial hypertrophy, providing a potential new mechanistic pathway for the disease.

Key Points

Increased expression of RNA Pol III-dependent genes may be critical in myocardial hypertrophy.
Brf1, a transcription factor, is significantly elevated in hypertrophic myocardial tissue.
Over 50% of HCM patients lack mutations in typical sarcomere genes, pointing to diverse mechanisms.
Models of myocardial hypertrophy showed significant RNA Pol III gene transcription increase.

Structured PICO

Population

ISO and surgical induced myocardial hypertrophy models of mice and tissue culture

Exposure

ISO and surgical induction of myocardial hypertrophy

Outcome

RNA Pol III-dependent gene transcription and Brf1 expressionsurrogate

RNA Pol III-dependent genes and the transcription factor Brf1 are upregulated in myocardial hypertrophy, providing a potential new mechanistic pathway for the disease.

Cite This Study

Zheng et al. (2025) studied Myocardial hypertrophy. Isoproterenol (ISO) and surgical induction was evaluated on RNA Pol III-dependent gene transcription and Brf1 expression. Isoproterenol and surgical induction of myocardial hypertrophy in mouse models significantly increased RNA Pol III-dependent gene transcription and Brf1 expression.

synapsesocial.com/papers/68e77f09d1c187e1c108fbe2 https://doi.org/10.1161/res.137.suppl_1.wed002

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Implication

RNA Pol III-dependent genes and the transcription factor Brf1 are upregulated in myocardial hypertrophy, providing a potential new mechanistic pathway for the disease.

Abstract Wed002: Deregulation of RNA Pol III-dependent genes in myocardial hypertrophy

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Abstract Wed002: Deregulation of RNA Pol III-dependent genes in myocardial hypertrophy

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider