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Evaluating the Role of Mitochondrial Function in Cancer-related Fatigue
Published on: May 17, 2018
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Mitochondrial Stress Response and Cancer
Jordan O'Malley1, Rahul Kumar1, Joseph Inigo1
1Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
Trends in Cancer
|May 27, 2020
Summary
Cancer cells endure stress via mitochondrial communication and retrograde signaling, activating the mitochondrial stress response. This pathway is crucial for cancer survival, progression, and resistance, offering a potential therapeutic target.
Area of Science:
- Cellular Biology
- Cancer Research
- Mitochondrial Biology
Background:
- Cancer cells exhibit remarkable adaptability to various stresses like hypoxia and nutrient deprivation.
- Cellular stress triggers signaling pathways that either degrade or alleviate mitochondrial dysfunction.
- Mitochondria play a critical role in cellular stress response and cancer progression.
Purpose of the Study:
- To review signaling mechanisms involved in sensing and mitigating cellular stress.
- To elucidate the role of mitochondrial-endoplasmic reticulum communication in stress response.
- To highlight the significance of the mitochondrial unfolded protein response in cancer.
Main Methods:
- Literature review of cellular signaling pathways.
- Analysis of mitochondrial-endoplasmic reticulum communication.
- Examination of retrograde signaling in mitochondrial stress response.
Main Results:
- Cellular stresses are sensed, leading to adaptive mitochondrial responses.
- Retrograde signaling enhances the mitochondrial stress response to maintain integrity.
- The mitochondrial unfolded protein response emerges as a key stress alleviation pathway.
Conclusions:
- Mitochondrial stress response is vital for cancer cell survival, progression, and therapeutic resistance.
- Understanding these pathways offers potential therapeutic targets for cancer treatment.
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