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| Clinical value of circular RNAs and autophagy-related miRNAs in the diagnosis and treatment of pancreatic cancer |
| Pei-Cheng Jiang, Shu-Rui Bu ∗ |
Department of Gastroenterology and Hepatology, Jinshan Hospital Affiliated to Fudan University, Shanghai 201508, China
∗ Corresponding author.
E-mail address: bushurui@fudan.edu.cn (S.-R. Bu). |
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Abstract Background: Circular RNAs (circRNAs) are a special group of long-chain and non-coding RNAs characterized by a closed-loop structure without 3 and 5 polarity. In recent years, studies have demonstrated that circRNAs act as microRNA (miRNA) sponges to regulate the function of miRNAs. Increasing evidence indicates that circRNAs and targeted miRNAs are involved in the development, progression and metas- tasis of various cancers and drug resistance. A number of miRNAs are known to be associated with the pathogenesis, development and treatment of pancreatic cancer by regulating the autophagic activity.
Data sources: A comprehensive literature search was executed in PubMed and EMBASE using the medical subject headings (MeSH) terms “Pancreatic Neoplasms”,“autophagy”,“RNA, circular”and “microRNA”. We also used text terms such as “diagnosis”,“prognosis”and “biomarker”to supplement the results.
Results: Autophagy-related miRNAs is closely related to pancreatic cancer. On basis of the retrieval results, we summarized the synthesis, features and functions of circRNAs and analyzed the association between autophagy-related miRNAs and pancreatic cancer.
Conclusions: circRNAs act as the miRNA sponges and there is an association between miRNAs and autophagy, which provides a new concept to broaden the knowledge about the mechanisms underlying the development, progression and metastasis of pancreatic cancer. Additionally, clinical value of circRNAs and autophagy-related miRNAs in the diagnosis and treatment of pancreatic cancer would be further verified with in-depth researches.
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2019, Vol. 18 
