Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 26, Issue 22, Pages 2889-2901Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v26.i22.2889
Keywords
Barrett's esophagus; Esophageal adenocarcinoma; Biomarkers; Exosomes; Circulation; MicroRNA
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Funding
- Shaanxi Natural Science Foundation of China [2019JQ-978, 2018JQ8029]
- National Natural Science Foundation of China [81700474]
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Exosomes, a class of extracellular vesicles, are small membrane-bound vesicles derived from almost all cell types that can play important roles in intercellular communication. Exosomes contain proteins, lipids, and nucleic acids that are obtained from the parental cells and participate in various pathophysiological processes, including cell growth, migration, inflammation, immune regulation, and tumor pathogenesis. Moreover, exosomes might be applied in clinical settings, such as diagnosis, treatment, and outcome prediction of diseases, including various cancers. The incidence rates of Barrett's esophagus (BE) and esophageal adenocarcinoma (EAC) have increased in recent decades, and studies have proposed specific factors that may contribute to the development and progression of these diseases. However, how exosomes play a role in this pathological process needs to be clarified. Studies have identified candidate microRNAs (miRNAs) that might be related to BE/EAC. Further studies are needed to ascertain whether circulating exosomal miRNAs are altered before or after disease onset, which could also help understand the pathophysiology of and find potential targets for prevention, diagnosis, and therapy in BE/EAC. This review summarizes recent findings on the features of circulating exosomal miRNAs in BE/EAC, which could be valuable for the early diagnosis, therapeutic approaches, and outcome prediction of BE/EAC.
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