Endothelial progenitor cells accelerate the resolution of deep vein thrombosis

Li, Wendong; Li, Xiaoqiang

doi:10.1016/j.vph.2015.07.007

Cited by 64 publications

(58 citation statements)

References 136 publications

(155 reference statements)

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“…However, currently, there are no specific therapeutic strategies to avoid its complications, especially post‐thrombotic syndrome (PTS) . Endothelial progenitor cells (EPCs), which can accelerate thrombus recanalization by restoring damaged or lost endothelium, enhancing neovascularization and prompting thrombi resolution, have been described as a potential therapeutic application for thrombosis . But the low numbers of EPCs in peripheral blood and the features of fragility to detrimental homeostasis limit their role in the resolution of thrombi.…”

Section: Introductionmentioning

confidence: 99%

MiR‐9 promotes angiogenesis of endothelial progenitor cell to facilitate thrombi recanalization via targeting TRPM7 through PI3K/Akt/autophagy pathway

Zhou

Sun

Zhu

et al. 2020

J Cellular Molecular Medi

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Endothelial progenitor cells (EPCs) have emerged as a promising therapeutic choice for thrombi recanalization. However, this role of EPCs is confined by some detrimental factors. The aim of this study was to explore the role of the miR-9-5p in regulation of the proliferation, migration and angiogenesis of EPCs and the subsequent therapeutic role in thrombosis event. Wound healing, transwell assay, tube formation assay and in vivo angiogenesis assay were carried out to measure cell migration, invasion and angiogenic abilities, respectively. Western blot was performed to elucidate the relationship between miR-9-5p and TRPM7 in the autophagy pathway. It was found that miR-9-5p could promote migration, invasion and angiogenesis of EPCs by attenuating TRPM7 expression via activating PI3K/Akt/autophagy pathway. In conclusion, miR-9-5p, targets TRPM7 via the PI3K/Ak/autophagy pathway, thereby mediating cell proliferation, migration and angiogenesis in EPCs. Acting as a potential therapeutic target, miR-9-5p may play an important role in the prognosis of DVT.

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Section: Introductionmentioning

confidence: 99%

MiR‐9 promotes angiogenesis of endothelial progenitor cell to facilitate thrombi recanalization via targeting TRPM7 through PI3K/Akt/autophagy pathway

Zhou

Sun

Zhu

et al. 2020

J Cellular Molecular Medi

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“…In the setting of DVT, endothelial progenitor cells (EPCs), which are a type of bone marrow‐derived circulating progenitor cell in the endothelial lineage, have been reported to have the abilities to home in on and migrate to disease sites to facilitate thrombus recanalization and resolution by neovascularization, increase new blood vessel formation at the injured site, and secrete a variety of vasoactive and angiogenic factors to improve angiogenesis . Furthermore, EPCs have the capacity to protect differentiated endothelial cells from apoptosis, thereby preserving their angiogenic potential under conditions of oxidative stress .…”

Section: Introductionmentioning

confidence: 99%

LncRNA WTAPP1 Promotes Migration and Angiogenesis of Endothelial Progenitor Cells via MMP1 Through MicroRNA 3120 and Akt/PI3K/Autophagy Pathways

Zhou

Sun

et al. 2018

Stem Cells

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Efficient recruitment and angiogenesis of endothelial progenitor cells (EPCs) are critical during a thrombus event. However, the details of EPC recruitment and the regulation of angiogenesis have not been fully determined. The aim of this study was to determine the role of the long noncoding (lnc)RNA Wilms tumor 1 associated protein pseudogene 1 (WTAPP1) in regulation of the migration and angiogenesis of EPCs. EPCs were isolated from human peripheral blood and characterized by flow cytometry, after which lentivirus-mediated lncRNA WTAPP1 overexpression and knockdown were performed. Scratch assay, Transwell assay, and in vitro and in vivo tube formation assays were performed to measure cell migration, invasion, and angiogenic abilities, respectively. Moreover, a microarray screen, bioinformatic prediction, and quantitative PCR and western blot of miRNAs interacting with lncRNA WTAPP1 were conducted. Western blot was carried out to elucidate the relationship among WTAPP1, miR-3120-5P, and MMP-1 in the autophagy pathway. WTAPP1 positively regulated migration, invasion, and in vitro and in vivo tube formation in EPCs by increasing MMP-1 expression and activating PI3K/Akt/mTOR signaling. Furthermore, WTAPP1 contains a putative miR-3120-5P binding site. Suppression of WTAPP1 by miR-3120-5P decreased the level of MMP-1. In addition, we demonstrated that suppression of the autophagy pathway is involved in the effects of WTAPP1 on EPC migration and angiogenesis. The lncRNA WTAPP1, a molecular decoy for miR-3120-5p, regulates MMP-1 expression via the PI3K/Akt and autophagy pathways, thereby mediating cell migration and angiogenesis in EPCs. Acting as a potential therapeutic target, the lncRNA WTAPP1 may play an important role in the pathogenesis of DVT. Stem Cells 2018.

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“…On a cellular level, endothelial progenitor cells accelerate DVT resolution [155], because the thrombus must be covered with new endothelium as it progresses to stage 2 within the first week [156], a process regulated by a vast array of molecules. Endothelial proliferation and migration is promoted by VGEF, angiopoietins, bone morphogenic proteins [157], endothelins [158], heparins [159], and various endogenous micro-RNAs [160][161][162][163].…”

Section: Endothelial Cellsmentioning

confidence: 99%

Resolution of Deep Venous Thrombosis: Proposed Immune Paradigms

Nicklas

Gordon

Henke

2020

IJMS

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Venous thromboembolism (VTE) is a pathology encompassing deep vein thrombosis (DVT) and pulmonary embolism (PE) associated with high morbidity and mortality. Because patients often present after a thrombus has already formed, the mechanisms that drive DVT resolution are being investigated in search of treatment. Herein, we review the current literature, including the molecular mechanisms of fibrinolysis and collagenolysis, as well as the critical cellular roles of macrophages, neutrophils, and endothelial cells. We propose two general models for the operation of the immune system in the context of venous thrombosis. In early thrombus resolution, neutrophil influx stabilizes the tissue through NETosis. Meanwhile, macrophages and intact neutrophils recognize the extracellular DNA by the TLR9 receptor and induce fibrosis, a complimentary stabilization method. At later stages of resolution, pro-inflammatory macrophages police the thrombus for pathogens, a role supported by both T-cells and mast cells. Once they verify sterility, these macrophages transform into their pro-resolving phenotype. Endothelial cells both coat the stabilized thrombus, a necessary early step, and can undergo an endothelial-mesenchymal transition, which impedes DVT resolution. Several of these interactions hold promise for future therapy. already progressed past the point of anticoagulant efficacy [12,13]. Thus, there is potential clinical utility in investigating and controlling the process by which DVTs resolve in order to provide better care to these later-stage patients, with less bleeding risk. Overview of Venous Thrombus Development in HumansThe time sequence of DVT development and resolution was correctly suggested as early as 1962, based on empirical stains that detected changes in the nanoscopic roughness of clotted material [14]. As Lendrum et. al. remarked, "we consider that the intracytoplasmic granules, which we think are engulfed fibrin, seen in pulmonary phagocytes and in the endothelium of arteries and veins containing thrombus, are better shown by this (methyl-scarlet-blue) method than by any of the others." In fresh clot (whether in deep veins or in diabetic kidneys), platelets and erythrocytes are initially linked in a fine mesh yielding a relatively smooth surface (stage 1). A mat of the medium-textured fibrin replaces the initial thrombus (stage 2), which is gradually replaced by much coarser collagen (stage 3). This staging of clot development quickly became the basis of a pathological guide to grade thrombi [15]. The current three-stage refinement of the DVT grading scheme indicates that the turnover of erythrocyte-rich to fibrin-rich clot in humans is complete approximately seven days after the initial thrombotic event [16], whereas fibrin deposition commences after one day [17]. Various leukocytes, initially neutrophils and later macrophages, are believed to control this progression of DVTs development from a mass of erythrocytes, to fibrin, and finally to collagen [18]. Infiltrating T-lymphocytes and macrophages conta...

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Endothelial progenitor cells accelerate the resolution of deep vein thrombosis

Cited by 64 publications

References 136 publications

MiR‐9 promotes angiogenesis of endothelial progenitor cell to facilitate thrombi recanalization via targeting TRPM7 through PI3K/Akt/autophagy pathway

MiR‐9 promotes angiogenesis of endothelial progenitor cell to facilitate thrombi recanalization via targeting TRPM7 through PI3K/Akt/autophagy pathway

LncRNA WTAPP1 Promotes Migration and Angiogenesis of Endothelial Progenitor Cells via MMP1 Through MicroRNA 3120 and Akt/PI3K/Autophagy Pathways

Resolution of Deep Venous Thrombosis: Proposed Immune Paradigms

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