Engagement of -methyladenisine Methylation of MRNA in Astrocyte Dysfunction Regulated by CircHECW2

Overview

Journal Acta Pharm Sin B

Publisher Elsevier

Specialty Pharmacology

Date 2024 Apr 4

PMID 38572093

Authors

Ying Bai

Di Chang

Hui Ren

Minzi Ju

Yu Wang

Biling Chen

Han Li

Xue Liu

Daxing Li

Xinchen Huo

Xiaofei Guo

Mengze Tong

Ying Tan

Honghong Yao

Bing Han

Affiliations

Soon will be listed here.

Abstract

The -methyladenosine (mA) modification is the most prevalent modification of eukaryotic mRNAs and plays a crucial role in various physiological processes by regulating the stability or function of target mRNAs. Accumulating evidence has suggested that mA methylation may be involved in the pathological process of major depressive disorder (MDD), a common neuropsychiatric disorder with an unclear aetiology. Here, we found that the levels of the circular RNA HECW2 (circHECW2) were significantly increased in the plasma of both MDD patients and the chronic unpredictable stress (CUS) mouse model. Notably, the downregulation of circHECW2 attenuated astrocyte dysfunction and depression-like behaviors induced by CUS. Furthermore, we demonstrated that the downregulation of circHECW2 increased the expression of the methylase WTAP, leading to an increase in expression mA modifications. Our findings provide functional insight into the correlation between circHECW2 and mA methylation, suggesting that circHECW2 may represent a potential target for MDD treatment.

Citing Articles

-Methyladenosine modification of circDcbld2 in Kupffer cells promotes hepatic fibrosis targeting miR-144-3p/ axis.

Zhu S, Chen X, Sun L, Li X, Chen Y, Li L Acta Pharm Sin B. 2025; 15(1):296-313.

PMID: 40041896 PMC: 11873614. DOI: 10.1016/j.apsb.2024.11.003.

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