Zhang JC, Zheng GF, Wu L, Ou Yang LY, Li WX. Bone marrow mesenchymal stem cells overexpressing human basic fibroblast growth factor increase vasculogenesis in ischemic rats.
ACTA ACUST UNITED AC 2014;
47:886-94. [PMID:
25118628 PMCID:
PMC4181224 DOI:
10.1590/1414-431x20143765]
[Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Accepted: 05/19/2014] [Indexed: 12/20/2022]
Abstract
Administration or expression of growth factors, as well as implantation of autologous
bone marrow cells, promote in vivo angiogenesis. This study
investigated the angiogenic potential of combining both approaches through the
allogenic transplantation of bone marrow-derived mesenchymal stem cells (MSCs)
expressing human basic fibroblast growth factor (hbFGF). After establishing a hind
limb ischemia model in Sprague Dawley rats, the animals were randomly divided into
four treatment groups: MSCs expressing green fluorescent protein (GFP-MSC), MSCs
expressing hbFGF (hbFGF-MSC), MSC controls, and phosphate-buffered saline (PBS)
controls. After 2 weeks, MSC survival and differentiation, hbFGF and vascular
endothelial growth factor (VEGF) expression, and microvessel density of ischemic
muscles were determined. Stable hbFGF expression was observed in the hbFGF-MSC group
after 2 weeks. More hbFGF-MSCs than GFP-MSCs survived and differentiated into
vascular endothelial cells (P<0.001); however, their differentiation rates were
similar. Moreover, allogenic transplantation of hbFGF-MSCs increased VEGF expression
(P=0.008) and microvessel density (P<0.001). Transplantation of hbFGF-expressing
MSCs promoted angiogenesis in an in vivo hind limb ischemia model by
increasing the survival of transplanted cells that subsequently differentiated into
vascular endothelial cells. This study showed the therapeutic potential of combining
cell-based therapy with gene therapy to treat ischemic disease.
Collapse