Abstract
Long noncoding RNAs (lncRNAs) have received increasing attention as potential regulators of several biological processes. However, the precise effects of lncRNAs in acute pancreatitis (AP) have seldom been studied. This study aimed to describe the microarray-based differential expression profile of messenger RNA (mRNAs) and lncRNAs in AP and identify candidate biomarkers for the diagnosis, prognosis, and treatment of AP. A rat model of AP was generated with retrograde pancreatic ductal injection of sodium taurocholate, and the pancreas was harvested for microarray detection. The biological functions of differentially expressed mRNAs noted from microarray data were assessed by bioinformatics analysis. A coding-noncoding gene coexpression network was built for the most promising mRNAs, from which 10 lncRNAs were selected for subsequent validation by real-time quantitative reverse transcription polymerase chain reaction. There were 1156 lncRNAs and 3022 mRNAs distinctively dysregulated in rats with AP relative to the controls. The significantly enriched Gene Ontology term associated with upregulated mRNAs was immune system process. Kyoto Encyclopedia of Genes and Genomes functional analysis demonstrated that the upregulated transcripts were highly enriched in natural killer cell-mediated cytotoxicity. Further research is needed to establish lncRNAs uc.308-, BC158811, BC166549, BC166474, and BC161988 as diagnostic and therapeutic targets.
Published Version
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