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Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition) ›› 2020, Vol. 06 ›› Issue (04): 374-378. doi: 10.3877/cma.j.issn.2096-1537.2020.04.005

Special Issue: Critical care medicine

• Lectures • Previous Articles     Next Articles

Mechanism of action of mitochondrial DNA in trauma

Xuanheng Li1, Xiuwen Wu1, Jian′an Ren1,()   

  1. 1. Research Institute of General Surgery, Jinling Clinical Medical College of Nanjing Medical University/General Hospital of Eastern Theater Command, PLA, Nanjing 210002, China
  • Received:2019-12-12 Online:2020-11-28 Published:2020-11-28
  • Contact: Jian′an Ren
  • About author:
    Corresponding author: Ren Jian′an, Email:

Abstract:

Trauma is the most direct form of organ and tissue damage and one of the leading causes of death and disability in the world. Secondary tissue damage can be caused by ischemia-reperfusion, acidosis, hypoxemia, surgery, hemorrhage and massive blood transfusion associated with trauma. Trauma releases a large number of endogenous damage-associated molecular patterns (DAMPs), triggers systemic inflammatory response syndrome (SIRS), sepsis, multiple organ failure, and even death. Recent studies have shown that mitochondrial-derived DAMPs such as mitochondrial DNA (mtDNA) play an important role in the inflammatory response. The release of mtDNA induces an immune response, exacerbates the inflammatory responseand causes damage to tissues and organs. This review focuses on the release mechanism and the signaling pathways of mtDNA, the relationship between mtDNA and the prognosis of trauma and therapeutic strategies for release of mtDNA intrauma.

Key words: Mitochondrial DNA, Signaling pathway, Trauma, Inflammation

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