Gastric cancer is a common, worldwide malignancy and has a poor prognosis due to late diagnosis. Long non-coding RNAs(lnc RNAs) are a significant subtype of RNA molecules with a length longer than 200 nucleotides(nt) that rarely encode proteins. In recent decades, deregulation of lnc RNAs has been shown to be involved in tumorigenesis and tumor progression in various human carcinomas, including gastric cancer. Accumulating evidence has shown that some lnc RNAs may function as diagnostic biomarkers or therapeutic targets for gastric cancer. Thus, exploring the specific functions of lnc RNAs will help both gain a better understanding of the pathogenesis and develop novel treatments for gastric cancer. In this review, we highlight the expression and functional roles of lncR NAs in gastric cancer, and analyze the potential applications of lncR NAs as diagnostic markers and therapeutic targets.
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