Abstract:
:In this study, we found that lincRNA-TINCR was significantly upregulated in burn-injured skin tissues in vivo and heat-stimulated dermal fibroblasts in vitro, accompanied by an increase in TGF-β1 expression. TINCR overexpression promoted cell proliferation, colony formation, release of pro-inflammatory factors and expression of TGF-β1 protein in human primary fibroblasts under normal condition. Moreover, silencing TINCR reduced expression of TGF-β1, cell proliferation, colony formation and inflammation in heat-stressed fibroblasts. Subsequently, motif analysis in TINCR sequence revealed that there were two potential target sites for the RNA-binding protein Staphylococcal Nuclease and Tudor Domain Containing 1 (SND1). We verified their direct binding by using RNA-IP assays using wild-type or mutated biotinylated TINCR transcripts TINCR and demonstrated that TINCR overexpression enhanced the binding of TINCR and SND1. Furthermore, SND1 knockdown improved fibroblast behaviors, like silencing TINCR, and SND1 overexpression could antagonize the effect of silencing TINCR on fibroblast proliferation and inflammation.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Qin G,Song Y,Guo Y,Sun Y,Zeng Wdoi
10.1016/j.bbrc.2019.01.013subject
Has Abstractpub_date
2019-02-19 00:00:00pages
903-910issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(19)30019-1journal_volume
509pub_type
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