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Mitochondrial Dysfunction in Chronic Respiratory Diseases: Implications for the Pathogenesis and Potential
Wen-Cheng Zhou1, Jiao Qu2, Sheng-Yang Xie1
1Department of Pharmacy, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou 310006, China.
Oxidative Medicine and Cellular Longevity
|August 6, 2021
Summary
Mitochondrial dysfunction contributes to chronic lung diseases like COPD, pulmonary fibrosis, and asthma by disrupting cellular processes. Targeting these dysfunctional mitochondria offers potential therapeutic strategies for respiratory conditions.
Area of Science:
- Cellular Biology
- Mitochondrial Biology
- Respiratory Medicine
Background:
- Mitochondria are vital for cellular energy and signaling, requiring strict homeostasis.
- Mitochondrial homeostasis involves membrane potential, calcium balance, DNA integrity, and mitophagy.
- Dysfunction disrupts these processes, leading to reactive oxygen species, DNA damage, and impaired mitophagy.
Purpose of the Study:
- To review the impact of mitochondrial dysfunction on cellular processes in chronic respiratory diseases.
- To explore the role of mitochondrial dysregulation in the pathogenesis of COPD, pulmonary fibrosis, and asthma.
- To identify potential therapeutic targets within dysfunctional mitochondria for lung diseases.
Main Methods:
- Comprehensive literature review of mitochondrial dysfunction in chronic respiratory diseases.
- Analysis of cellular mechanisms linking mitochondrial dysregulation to disease pathogenesis.
- Synthesis of current understanding of mitochondrial roles in oxidative stress, inflammation, apoptosis, senescence, and metabolic reprogramming.
Main Results:
- Mitochondrial dysfunction drives key pathological cellular processes including oxidative stress, inflammasome activation, apoptosis, senescence, and metabolic reprogramming.
- These dysregulated cellular processes are implicated in the development and progression of chronic obstructive pulmonary disease, pulmonary fibrosis, and asthma.
- Evidence links specific mitochondrial defects to the pathophysiology of major chronic lung diseases.
Conclusions:
- Mitochondrial dysfunction is a critical factor in the pathogenesis of chronic respiratory diseases.
- Understanding these mechanisms provides insights into disease development.
- Targeting dysfunctional mitochondria presents a promising therapeutic avenue for treating chronic lung diseases.
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