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Regulation of autophagy by non-coding RNAs in gastric cancer
Zijian Wang1, Jiarui Liu2, Jingri Xie3
1Graduate College, Heilongjiang University of Chinese Medicine, Harbin, China.
Abstract:
Autophagy is a conserved cellular self-digesting process that degrades obsoleting proteins and cellular components and plays a crucial role in the tumorigenesis, metastasis, and drug resistance of various tumors such as gastric cancer (GC). As a hotspot in molecular biology, non-coding RNAs (ncRNAs) are involved in the regulation of multiple biological processes, such as autophagy. Increasing evidence indicate that various ncRNAs exert double roles in the initiation and progression of GC, either serve as oncogenes or tumor suppressors. Recent studies have shown that some ncRNAs could modulate autophagy activity in GC cells, which would affect the malignant transformation and drug resistance. Whether the function of ncRNAs in GC is dependent on autophagy is undefined. Therefore, identifying the underlying moleculr targets of ncRNAs in autophagy pathways and the role of ncRNA-regulated autophagy in GC could develop new treatment interventions for this disease. This review summarizes the autophagy process and its role in GC, and the regulatory mechanisms of ncRNAs, as well as focuses on the dual role of ncRNAs-mediated autophagy in GC, for the development of potential therapeutic strategies in GC patients.
Insights
Non-coding RNAs (ncRNAs) play a dual role in gastric cancer (GC) by regulating autophagy. Understanding ncRNA-autophagy interactions offers potential therapeutic strategies for GC patients.
Area of Science:
- Molecular Biology
- Oncology
- Cellular Biology
Background:
- Autophagy is a fundamental cellular process involved in degrading damaged components.
- Autophagy significantly influences gastric cancer (GC) progression, including tumorigenesis, metastasis, and drug resistance.
- Non-coding RNAs (ncRNAs) are key regulators of biological processes, including autophagy, and exhibit dual roles in GC as oncogenes or tumor suppressors.
Purpose of the Study:
- To review the role of autophagy in gastric cancer.
- To explore the regulatory mechanisms of ncRNAs in autophagy.
- To elucidate the dual role of ncRNA-modulated autophagy in GC for therapeutic development.
Main Methods:
- Literature review of studies on autophagy, ncRNAs, and gastric cancer.
- Analysis of existing evidence on ncRNA regulation of autophagy in GC.
- Synthesis of findings on the dual functions of ncRNAs in GC-associated autophagy.
Main Results:
- ncRNAs can either promote or inhibit GC progression by modulating autophagy.
- Autophagy modulation by ncRNAs impacts GC cell malignant transformation and drug resistance.
- The precise dependency of ncRNA function on autophagy in GC remains an area for further investigation.
Conclusions:
- ncRNA-mediated autophagy plays a critical role in gastric cancer.
- Targeting ncRNA-autophagy pathways presents a promising therapeutic avenue for GC.
- Further research into ncRNA targets within autophagy pathways is crucial for developing novel GC treatments.
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