Deptor protects against myocardial ischemia-reperfusion injury by regulating the mTOR signaling and autophagy
2024

Deptor's Role in Heart Injury from Ischemia-Reperfusion

Sample size: 5 publication Evidence: high

Author Information

Author(s): Duan Qunjun, Yang Weijun, Zhu Xian, Feng Zhanzeng, Song Jiangwei, Xu Xiaobin, Kong Minjian, Mao Jiayan, Shen Jian, Deng Yuqin, Tao Rujia, Xu Hongfei, Chen Wei, Li Weidong, Dong Aiqiang, Han Jie

Primary Institution: The Second Affiliated Hospital of Zhejiang University School of Medicine

Hypothesis

Deptor could inhibit mTOR pathway activation and promote autophagy.

Conclusion

Deptor protects against ischemia-reperfusion injury in the heart by regulating the mTOR pathway and enhancing autophagy.

Supporting Evidence

  • Deptor knockout mice showed increased myocardial infarction size and apoptosis.
  • Treatment with OSI027 reduced infarction size and apoptosis in Deptor knockout models.
  • Deptor siRNA reduced cell viability and increased apoptosis in vitro.

Takeaway

Deptor is a protein that helps protect the heart from damage when blood flow is restored after being blocked. When Deptor is missing, the heart gets hurt more.

Methodology

Deptor knockout mice were used to study the effects on myocardial ischemia-reperfusion injury, with various assays to measure infarction size, apoptosis, and protein expression.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/s41420-024-02263-1

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication