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Updated: Dec 14, 2025
Identification of Circular RNAs using RNA Sequencing
Published on: November 14, 2019
Circular RNAs in Gastric Cancer: Potential Biomarkers and Therapeutic Targets
Jiafeng Ouyang1, Zhi Long1, Guoqing Li1
1Department of Gastroenterology, The Second Affiliated Hospital of the University of South China, Hengyang, 421001 Hunan Province, China.
Abstract:
Circular RNAs (circRNAs), as a recently established group of endogenous noncoding RNAs, have been involved in the occurrence and development of different malignancies. Gastric cancer (GC) remains a globally significant contributor to death in cancer patients due to insufficient early diagnosis, limited treatment measures, and poor prognosis. An increasing number of studies have found that many circRNAs are dysregulated in GC and are closely associated with its tumorigenesis and metastasis. Thus, circRNAs have the potential to serve as diagnostic and prognostic biomarkers and even therapeutic targets. This review comprehensively summarizes the most recent findings on how circRNAs influence GC progression and their clinical value. In addition, we present several methological deficiencies in the studies and provide some promising ideas for future research.
Insights
Circular RNAs (circRNAs) are key players in gastric cancer (GC) development and metastasis. This review highlights their potential as diagnostic biomarkers and therapeutic targets, while noting research gaps.
Area of Science:
- Molecular Biology
- Oncology
- Genetics
Background:
- Circular RNAs (circRNAs) are a novel class of noncoding RNAs implicated in various cancers.
- Gastric cancer (GC) presents significant global health challenges due to late diagnosis and limited treatment options.
- Dysregulated circRNAs are increasingly linked to GC progression, tumorigenesis, and metastasis.
Purpose of the Study:
- To comprehensively review recent findings on the role of circRNAs in gastric cancer.
- To explore the clinical value of circRNAs as diagnostic and prognostic biomarkers for GC.
- To identify methodological limitations and suggest future research directions in circRNA studies for GC.
Main Methods:
- Literature review of recent studies on circRNAs in gastric cancer.
- Analysis of circRNA dysregulation in GC tumorigenesis and metastasis.
- Evaluation of the clinical utility of circRNAs in GC diagnosis and prognosis.
Main Results:
- Numerous circRNAs are found to be dysregulated in gastric cancer.
- CircRNAs play crucial roles in GC progression, including tumorigenesis and metastasis.
- CircRNAs show promise as potential biomarkers and therapeutic targets for GC.
Conclusions:
- CircRNAs are significantly involved in gastric cancer development and progression.
- CircRNAs hold considerable potential for early diagnosis, prognosis prediction, and targeted therapy in GC.
- Addressing current methodological deficiencies is crucial for advancing circRNA research in gastric cancer.
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