Enhancement of Bone-Marrow-Derived Mesenchymal Stem Cell Angiogenic Capacity by NPWT for a Combinatorial Therapy to Promote Wound Healing with Large Defect

Poor viability of engrafted bone marrow mesenchymal stem cells (BMSCs) often hinders their application for wound healing, and the strategy of how to take full advantage of their angiogenic capacity within wounds still remains unclear. Negative pressure wound therapy (NPWT) has been demonstrated to b...

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Veröffentlicht in:BioMed research international 2017-01, Vol.2017 (2017), p.1-13
Hauptverfasser: Yu, Aixi, Qi, Baiwen, Jian, Chao, Ma, Zhanjun, Zheng, Xun, Niu, Yahui, Shou, Kangquan, Hu, Xiang
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container_issue 2017
container_start_page 1
container_title BioMed research international
container_volume 2017
creator Yu, Aixi
Qi, Baiwen
Jian, Chao
Ma, Zhanjun
Zheng, Xun
Niu, Yahui
Shou, Kangquan
Hu, Xiang
description Poor viability of engrafted bone marrow mesenchymal stem cells (BMSCs) often hinders their application for wound healing, and the strategy of how to take full advantage of their angiogenic capacity within wounds still remains unclear. Negative pressure wound therapy (NPWT) has been demonstrated to be effective for enhancing wound healing, especially for the promotion of angiogenesis within wounds. Here we utilized combinatory strategy using the transplantation of BMSCs and NPWT to investigate whether this combinatory therapy could accelerate angiogenesis in wounds. In vitro, after 9-day culture, BMSCs proliferation significantly increased in NPWT group. Furthermore, NPWT induced their differentiation into the angiogenic related cells, which are indispensable for wound angiogenesis. In vivo, rat full-thickness cutaneous wounds treated with BMSCs combined with NPWT exhibited better viability of the cells and enhanced angiogenesis and maturation of functional blood vessels than did local BMSC injection or NPWT alone. Expression of angiogenesis markers (NG2, VEGF, CD31, and α-SMA) was upregulated in wounds treated with combined BMSCs with NPWT. Our data suggest that NPWT may act as an inductive role to enhance BMSCs angiogenic capacity and this combinatorial therapy may serve as a simple but efficient clinical solution for complex wounds with large defects.
doi_str_mv 10.1155/2017/7920265
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Negative pressure wound therapy (NPWT) has been demonstrated to be effective for enhancing wound healing, especially for the promotion of angiogenesis within wounds. Here we utilized combinatory strategy using the transplantation of BMSCs and NPWT to investigate whether this combinatory therapy could accelerate angiogenesis in wounds. In vitro, after 9-day culture, BMSCs proliferation significantly increased in NPWT group. Furthermore, NPWT induced their differentiation into the angiogenic related cells, which are indispensable for wound angiogenesis. In vivo, rat full-thickness cutaneous wounds treated with BMSCs combined with NPWT exhibited better viability of the cells and enhanced angiogenesis and maturation of functional blood vessels than did local BMSC injection or NPWT alone. Expression of angiogenesis markers (NG2, VEGF, CD31, and α-SMA) was upregulated in wounds treated with combined BMSCs with NPWT. 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subjects Angiogenesis
Animals
Biomarkers - metabolism
Cell Differentiation
Cell Proliferation
Cell Shape
Cell Survival
Combined Modality Therapy
Cytokines - metabolism
Defects
Health aspects
Hypoxia
Laboratory animals
Male
Mesenchymal Stem Cell Transplantation
Mesenchymal Stromal Cells - cytology
Methods
Morphology
Negative-Pressure Wound Therapy
Neovascularization
Neovascularization, Physiologic
Rats, Sprague-Dawley
Smooth muscle
Stem cells
Studies
Vascular endothelial growth factor
Wound Healing
title Enhancement of Bone-Marrow-Derived Mesenchymal Stem Cell Angiogenic Capacity by NPWT for a Combinatorial Therapy to Promote Wound Healing with Large Defect
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