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Dissecting the Role of Autophagy-Related Proteins in Cancer Metabolism and Plasticity
Liliana Torres-López1, Oxana Dobrovinskaya1
1Laboratory of Immunology and Ionic Transport Regulation, Biomedical Research Centre, University of Colima, Av. 25 de Julio #965, Villas de San Sebastián, Colima 28045, Mexico.
Abstract:
Modulation of autophagy as an anticancer strategy has been widely studied and evaluated in several cell models. However, little attention has been paid to the metabolic changes that occur in a cancer cell when autophagy is inhibited or induced. In this review, we describe how the expression and regulation of various autophagy-related (ATGs) genes and proteins are associated with cancer progression and cancer plasticity. We present a comprehensive review of how deregulation of ATGs affects cancer cell metabolism, where inhibition of autophagy is mainly reflected in the enhancement of the Warburg effect. The importance of metabolic changes, which largely depend on the cancer type and form part of a cancer cell's escape strategy after autophagy modulation, is emphasized. Consequently, pharmacological strategies based on a dual inhibition of metabolic and autophagy pathways emerged and are reviewed critically here.
Insights
Autophagy modulation impacts cancer cell metabolism, often enhancing the Warburg effect when inhibited. Targeting both autophagy and metabolic pathways offers a promising dual anticancer strategy.
Area of Science:
- Oncology
- Cell Biology
- Metabolic Research
Background:
- Autophagy modulation is a studied anticancer strategy.
- Metabolic changes during autophagy modulation in cancer cells are under-explored.
- Autophagy-related (ATGs) genes and proteins link to cancer progression and plasticity.
Purpose of the Study:
- To review the association between autophagy-related genes and cancer cell metabolism.
- To highlight metabolic shifts, such as the Warburg effect, upon autophagy inhibition or induction.
- To critically evaluate dual pharmacological strategies targeting both autophagy and metabolic pathways.
Main Methods:
- Comprehensive literature review of autophagy-related genes (ATGs).
- Analysis of metabolic alterations in cancer cells with modulated autophagy.
- Review of current pharmacological strategies for dual inhibition.
Main Results:
- Deregulation of ATGs significantly affects cancer cell metabolism.
- Inhibition of autophagy frequently enhances the Warburg effect in cancer cells.
- Metabolic changes are cancer-type dependent and crucial for cancer cell survival post-autophagy modulation.
Conclusions:
- Metabolic reprogramming is a key consequence of autophagy modulation in cancer.
- Targeting cancer cell metabolism alongside autophagy presents a viable therapeutic approach.
- Further research into dual inhibition strategies is warranted for effective cancer treatment.
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