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Updated: May 30, 2025

Sensitive Measurement of Mitophagy by Flow Cytometry Using the pH-dependent Fluorescent Reporter mt-Keima
Published on: August 12, 2018
Molecular regulation of mitophagy signaling in tumor microenvironment and its targeting for cancer therapy
Bishnu Prasad Behera1, Soumya Ranjan Mishra1, Srimanta Patra1
1Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh, Odisha 769008, India.
Abstract:
Aberrations emerging in mitochondrial homeostasis are restrained by mitophagy to control mitochondrial integrity, bioenergetics signaling, metabolism, oxidative stress, and apoptosis. The mitophagy-accompanied mitochondrial processes that occur in a dysregulated condition act as drivers for cancer occurrence. In addition, the enigmatic nature of mitophagy in cancer cells modulates the cellular proteome, creating challenges for therapeutic interventions. Several reports found the role of cellular signaling pathways in cancer to modulate mitophagy to mitigate stress, immune checkpoints, energy demand, and cell death. Thus, targeting mitophagy to hinder oncogenic intracellular signaling by promoting apoptosis, in hindsight, might have an edge against cancer. This review highlights the receptors and adaptors, and the involvement of many proteins in mitophagy and their role in oncogenesis. It also provides insight into using mitophagy as a potential target for therapeutic intervention in various cancer types.
Insights
Mitophagy, a cellular process, is crucial for maintaining mitochondrial health but can drive cancer when dysregulated. Targeting mitophagy offers a promising therapeutic strategy against various cancer types.
Area of Science:
- Cell Biology
- Molecular Oncology
- Biochemistry
Background:
- Mitochondrial homeostasis is essential for cellular function and is maintained by mitophagy.
- Dysregulated mitophagy contributes to cancer development by altering cellular metabolism and promoting survival.
- The complex role of mitophagy in cancer presents challenges for effective therapeutic interventions.
Purpose of the Study:
- To review the role of mitophagy in cancer development and progression.
- To highlight the molecular mechanisms, including receptors, adaptors, and proteins involved in mitophagy during oncogenesis.
- To explore the potential of targeting mitophagy as a therapeutic strategy for cancer treatment.
Main Methods:
- Literature review of scientific reports on mitophagy and cancer.
- Analysis of signaling pathways that modulate mitophagy in cancer cells.
- Identification of key proteins, receptors, and adaptors in mitophagy-related oncogenesis.
Main Results:
- Aberrant mitophagy is implicated as a driver of cancer occurrence.
- Mitophagy modulates the cancer cell proteome, impacting therapeutic responses.
- Cellular signaling pathways interact with mitophagy to influence cancer progression, stress response, and cell death.
Conclusions:
- Targeting mitophagy to disrupt oncogenic signaling and induce apoptosis shows potential as an anti-cancer strategy.
- Understanding the intricate mechanisms of mitophagy in various cancers is key to developing effective therapies.
- Mitophagy represents a promising therapeutic target for diverse cancer types.
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