Autophagy in Cancer Cell Transformation: A Potential Novel Therapeutic
Strategy

Basheer   Abdullah   Marzoog
Abstract

Basal autophagy plays a crucial role in maintaining intracellular homeostasis and prevents the cell from escaping the cell cycle regulation mechanisms and being cancerous. Mitophagy and nucleophagy are essential for cell health. Autophagy plays a pivotal role in cancer cell transformation, where upregulated precancerous autophagy induces apoptosis. Impaired autophagy has been shown to upregulate cancer cell transformation. However, tumor cells upregulate autophagy to escape elimination and survive the unfavorable conditions and resistance to chemotherapy. Cancer cells promote autophagy through modulation of autophagy regulation mechanisms and increase expression of the autophagyrelated genes. Whereas, autophagy regulation mechanisms involved microRNAs, transcription factors, and the internalized signaling pathways such as AMPK, mTOR, III PI3K, and ULK-1. Disrupted regulatory mechanisms are various as the cancer cell polymorphism. Targeting a higher level of autophagy regulation is more effective, such as gene expression, transcription factors, or epigenetic modification that are responsible for the up-regulation of autophagy in cancer cells. Currently, the CRISPR-CAS9 technique is available and can be applied to demonstrate the potential effects of autophagy in cancerous cells.
Keywords: Autophagy, metastasis, transformation, tumorigenesis, pathogenesis, nucleophagy, mitophagy, angiogenesis.
Graphical Abstract

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Cite As
Current Cancer Drug Targets

Autophagy in Cancer Cell Transformation: A Potential Novel Therapeutic Strategy

Abstract

Graphical Abstract
