Itchy E3 Ubiquitin Ligase-Mediated Ubiquitination of Ferritin Light Chain Contributes to Endothelial Ferroptosis in Atherosclerosis
2024

How ITCH Affects Endothelial Cell Death in Atherosclerosis

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zeng Yi, Fu Shuai, Xia Yuwei, Meng Guoliang, Xu Xiaole

Primary Institution: Nantong University

Hypothesis

ITCH might influence vascular cell ferroptosis in atherosclerosis.

Conclusion

The study shows that ITCH contributes to endothelial ferroptosis and dysfunction in atherosclerosis by regulating ferritin light chain degradation.

Supporting Evidence

  • ITCH protein levels were elevated in atherosclerotic mice and endothelial cells exposed to oxidized low-density lipoprotein.
  • Knockdown of ITCH reduced endothelial injury and dysfunction caused by oxidized low-density lipoprotein.
  • ITCH knockdown inhibited ferroptosis in endothelial cells and reduced atherosclerosis progression in mice.

Takeaway

This study found that a protein called ITCH can make blood vessel cells die in a certain way when there's too much bad cholesterol, which can lead to heart problems.

Methodology

The study involved in vitro experiments with human aortic endothelial cells and in vivo experiments with LDLr−/− mice to analyze the effects of ITCH on endothelial ferroptosis.

Limitations

The study primarily used a specific mouse model, which may not fully represent human atherosclerosis.

Participant Demographics

The study included clinical samples from 10 atherosclerosis patients.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/ijms252413524

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