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  • Title: MiR-150 promotes angiogensis and proliferation of endothelial progenitor cells in deep venous thrombosis by targeting SRCIN1.
    Author: Wang W, Zhu X, Du X, Xu A, Yuan X, Zhan Y, Liu M, Wang S.
    Journal: Microvasc Res; 2019 May; 123():35-41. PubMed ID: 30315850.
    Abstract:
    Venous thromboembolism (VTE), encompassing deep venous thrombosis (DVT) and pulmonary embolism (PE), is the third most common cardiovascular disease. miR-150 is one of important microRNAs which play critical role in various cellular function such as endothelial progenitor cells (EPCs). In this study, we investigate the effect of miR-150 on EPCs function ex vivo and thrombus resolution in vivo. We determined miR-150 expression in EPCs isolated from DVT patients and control subjects by RT-PCR. Potential target of miR-150 was confirmed by bioinformatics analysis and luciferase reporter respectively. The angiogenesis and proliferation were tested by MTT and tube formation assay. A murine model of venous thrombosis was developed as in vivo model. Finally, the effect of miR-150 on EPCs with inferior venous thrombosis were evaluated in vivo. Our data showed that miR-150 was downregulated in EPCs from DVT patients. By using miR-150 agomir and antagomir, we found that miR-150 promoted angiogenesis and proliferation of EPCs. Bioinformatics analysis revealed SRCIN1 as a target of miR-150 and SRCIN1 knockdown inhibited function of EPCs. Forced expression of miR-150 contributed thrombus resolution in a murine model of venous thrombosis. In general, miR-150 was downregulated in EPCs from DVT. Upregulation of miR-150 promoted angiogenesis and proliferation of EPCs by targeting SRCIN1 in vitro and thrombus resolution in vivo.
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