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Integrated analysis of long non-coding RNAs and mRNAs associated with peritendinous fibrosis

The dysregulation of long non-coding RNAs (lncRNAs) is associated with the development of various diseases. However, little is known about the regulatory function of lncRNAs in peritendinous fibrosis. Therefore, the expression profiles of lncRNAs and mRNAs in normal tendon and fibrotic peritendinous tissues were analyzed in this study using RNA sequencing. In total, 219 lncRNAs and 3403 mRNAs were identified that were differentially expressed between the two sets of tissues. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses revealed that the dysregulated mRNAs were mainly associated with immune regulation, inflammation, extracellular matrix (ECM) production and remodeling, and cell cycle regulation. An lncRNA-mRNA co-expression network revealed 181 network pairs comprising eight dysregulated lncRNAs and 146 mRNAs. The results of the bioinformatics analysis indicated that the dysregulated lncRNAs play a role in fibrogenesis through regulation of the cell cycle, inflammation, and ECM production. Furthermore, silencing the lncRNA dnm3os prevented transforming growth factor (TGF)-b1-induced tenocyte proliferation and expression of genes related to fibrogenesis. These findings provide a basis for investigations into the regulatory mechanisms underlying the development and progression of peritendinous fibrosis. | Integrated analysis of long non-coding RNAs and mRNAs associated with peritendinous fibrosis