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Bioinformatic analysis of miRNA expression patterns in TFF2 knock-out mice

Author(s): Y. Yin, H.Q. Shan, W. Huang, Y.M. Wu, H. Lu and Y. Jin

Trefoil factors, which bear a unique 3-loop trefoil domain, are a family of small secretory protease-resistant peptides (7-12 kDa) discovered in the 1980s. Trefoil factor 2 (TFF2) is a unique member of trefoil factors family that plays important roles in gastrointestinal mucosal defense and repair. However, few studies have characterized the miRNA expression patterns in TFF2 knock-out mice. In this study, we investigated the regulatory role of miRNAs in TFF2 knock-out mice. Whole miRNome profiling for TFF2 knock-out mice and wild-type mice were downloaded from the Gene Expression Omnibus database. A total of 14 differentially expressed miRNAs were identified using the limma package.