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Circular RNAs and gastrointestinal cancers: Epigenetic regulators with a prognostic and therapeutic role
Authors
H.H. Bafrani
M.R. Hamblin
+9 more
M.R. Karimzadeh
H. Mirzaei
H.R. Mirzaei
A. Movahedpour
P. Naeli
M.H. Pourhanifeh
A. Savardashtaki
Z. Shabaninejad
H. Tarrahimofrad
Publication date
1 January 2020
Publisher
Abstract
Both environmental and genetic factors are involved in the initiation and development of gastrointestinal cancer. Covalent closed circular RNAs (circRNAs) are produced by a mechanism called “back-splicing” from mRNAs. They are highly stable and show cell and tissue specific expression patterns. Although some functions such as “microRNA sponge” and “RNA binding protein sponge” have been reported for a small number of circRNAs, the function of thousands of other circRNAs is still unknown. Dysregulation of circRNAs has been reported in many GI cancers and are involved in metastasis and invasion. CircRNAs have been reported to be useful as prognostic markers and targets for developing new treatments. We first describe the properties and biogenesis of circRNAs. We then summarize recent reports about circRNA functions, expression status, and their potential to be used as biomarkers in GI cancers including, gastric cancer, colorectal cancer, esophageal cancer, hepatocellular carcinoma, gallbladder cancer and pancreatic cancer. © 2019 Elsevier B.V
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kashan university of medical sciences
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oai:eprints.kaums.ac.ir:5614
Last time updated on 25/11/2020