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Systemic inflammatory response syndrome is triggered by mitochondrial damage (Review)
1Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China.
Molecular Medicine Reports
|March 2, 2022
Summary
Severe trauma releases mitochondrial damage-associated molecular patterns (DAMPs) that trigger systemic inflammation, potentially leading to sepsis. Understanding these mechanisms may offer new ways to treat sepsis and related conditions.
Area of Science:
- Cellular Biology
- Immunology
- Pathophysiology
Background:
- Mitochondria are crucial for cellular energy metabolism and immune responses.
- Severe trauma can damage mitochondria, releasing damage-associated molecular patterns (DAMPs).
- These DAMPs, including mitochondrial DNA and N-formyl peptides, can activate inflammatory pathways.
Purpose of the Study:
- To review the mechanisms by which mitochondrial DAMPs contribute to systemic inflammation after severe trauma.
- To explore the potential clinical applications of targeting these mechanisms in sepsis prevention and treatment.
Main Methods:
- Literature review of pathophysiological mechanisms.
- Analysis of signaling pathways involved in trauma-induced inflammation.
- Evaluation of clinical relevance for sepsis.
Main Results:
- Mitochondrial DAMPs impact the respiratory chain and increase oxidative stress.
- DAMPs activate systemic inflammatory responses through various signaling pathways.
- Severe trauma-associated mitochondrial injury is linked to sepsis and multiple organ dysfunction.
Conclusions:
- Mitochondrial DAMPs play a significant role in the inflammatory cascade following severe trauma.
- Targeting mitochondrial injury and DAMPs presents a promising therapeutic strategy for sepsis.
