Arginine methyltransferase PRMT1 promotes ferroptosis through EGR1/GLS2 axis in sepsis-related acute lung injury.

IF 5.2 1区 生物学 Q1 BIOLOGY
Min Li, Longhui Hu, Qiao Ke, Zhao Li, Chujun Ruan, Hanjing Lu, Xiaoran Liu
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引用次数: 0

Abstract

Acute lung injury (ALI), a frequent and severe complication of sepsis, is associated with significant mortality rates. Previous studies indicated that GLS2 plays a key role in promoting ferroptosis. However, its underlying mechanisms remain unclear. Here we show, there were elevated ferroptosis and increased expression levels of protein arginine methyltransferase 1 (PRMT1), early growth response 1 (EGR1), and glutaminase 2 (GLS2) in both in vitro and in vivo ALI models. Additionally, EGR1 was found to induce the transcription of GLS2, thereby promoting ferroptosis. We also discovered that the protein level of EGR1 was increased through enhanced stability, facilitated by PRMT1-mediated arginine methylation, and reduced ubiquitination degradation regulated by neural precursor cell expressed developmentally down-regulated protein 4 like (NEDD4L). The in vivo results confirmed that the knockdown of PRMT1 suppressed ferroptosis via the EGR1/GLS2 axis. Our findings suggest that PRMT1-mediated stabilization of EGR1 promoted sepsis induced ALI via GLS2, highlighting the therapeutic potential of targeting PRMT1 or EGR1 in the treatment of sepsis-induced ALI.

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来源期刊
Communications Biology
Communications Biology Medicine-Medicine (miscellaneous)
CiteScore
8.60
自引率
1.70%
发文量
1233
审稿时长
13 weeks
期刊介绍: Communications Biology is an open access journal from Nature Research publishing high-quality research, reviews and commentary in all areas of the biological sciences. Research papers published by the journal represent significant advances bringing new biological insight to a specialized area of research.
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