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Autophagy and Tumor Metabolism
Alec C Kimmelman1, Eileen White2
1Perlmutter Cancer Center, Department of Radiation Oncology, NYU Medical School, New York, NY 10016, USA.
Cell Metabolism
|May 4, 2017
Summary
Autophagy, a cellular process, supports cancer growth by fueling tumor metabolism. Inhibiting this process is a promising therapeutic strategy currently in clinical trials.
Area of Science:
- Cellular Biology
- Oncology
- Metabolism
Background:
- Autophagy is a fundamental cellular mechanism for stress response and maintaining homeostasis.
- While protective in normal physiology, autophagy's role in cancer is complex and context-dependent.
- Emerging evidence highlights autophagy's critical function in supporting tumor growth and survival.
Purpose of the Study:
- To elucidate the role of autophagy in cancer cell metabolism.
- To explore how autophagy-provided metabolic fuels contribute to tumor growth and survival.
- To identify potential therapeutic strategies targeting autophagy in cancer.
Main Methods:
- Literature review on autophagy and cancer metabolism.
- Analysis of studies investigating autophagy inhibition in clinical trials.
- Examination of metabolic pathways influenced by autophagy in tumor microenvironments.
Main Results:
- Autophagy provides essential metabolic fuels, enhancing tumor growth and survival.
- Cancer cells utilize autophagy to adapt to nutrient-poor microenvironments.
- Inhibition of autophagy is a viable therapeutic strategy being tested in clinical trials.
Conclusions:
- Autophagy is a key driver of metabolic plasticity in cancer.
- Targeting autophagy can disrupt tumor metabolism and growth.
- Understanding autophagy's metabolic role is crucial for developing effective cancer therapies.
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