CircRBM33 competitively binds miR-15a-5p to mediate EZH1 expression to ameliorate sepsis-induced acute lung injury
2024

CircRBM33 and its Role in Sepsis-Induced Acute Lung Injury

Sample size: 60 publication Evidence: moderate

Author Information

Author(s): Jinquan Lin, Qiongying Wei, Zhipeng Fang

Primary Institution: Fujian Medical University

Hypothesis

The study aims to explore the interactions between circRBM33 and miR-15a-5p, EZH1, and how circRBM33 promotes septic acute lung injury via the miR-15a-5p/EZH1 axis.

Conclusion

CircRBM33 improves ALI in septic mice by targeting the miR-15a-5p/EZH1 axis.

Supporting Evidence

  • CircRBM33 downregulation ameliorated ALI-induced edema, apoptotic, and inflammatory reactions in mouse lung tissues.
  • Apoptosis and inflammation mediated by LPS in MLE-12 cells were ameliorated by circRBM33 downregulation.
  • circRBM33 mediated EZH1 expression by competitive adsorption of miR-15a-5p.

Takeaway

This study found that a molecule called circRBM33 helps protect mice from lung injury caused by sepsis by interacting with other molecules.

Methodology

The study involved treating murine lung epithelial cells with LPS, measuring cell viability, apoptosis, oxidative stress levels, and conducting various assays to explore the interactions between circRBM33, miR-15a-5p, and EZH1.

Limitations

The sample size collected in the clinical trial was insufficient, which may cause some errors.

Participant Demographics

60 sepsis patients (34 males and 26 females) and 30 healthy controls (14 males and 16 females).

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.clinsp.2024.100550

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