Chinese Journal of Tissue Engineering Research ›› 2013, Vol. 17 ›› Issue (6): 1044-1048.doi: 10.3969/j.issn.2095-4344.2013.06.016

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Does diabetes mellitus influence angiogenesis-promoting effects of bone marrow-derived endothelial progenitor cell transplantation?

Zhou Chen-guang1, Gong Jing-xin2, Ma Yue2, Zhou Ya-ru3, Luan Feng4, Yang Yan2, Meng Jian-bo2   

  1. 1 Department of Hematology, Affiliated Hospital of Hebei University of Engineering, Handan 056000, Hebei Province, China
    2 Department of Hematology, Third Hospital, Hebei Medical University, Shijiazhuang 050051, Hebei Province, China
    3 Department of Endocrinology, Third Hospital, Hebei Medical University, Shijiazhuang 050051, Hebei Province, China
    4 Department of Otorhinolaryngology, Third Hospital, Hebei Medical University, Shijiazhuang 050051, Hebei Province, China
  • Received:2012-05-05 Revised:2012-06-03 Online:2013-02-05 Published:2013-02-05
  • Contact: Meng Jian-bo, M.D., Associate professor, Department of Hematology, Third Hospital, Hebei Medical University, Shijiazhuang 050051, Hebei Province, China mjb1972@tom.com
  • About author:Zhou Chen-guang★, Master, Attending physician, Department of Hematology, Affiliated Hospital of Hebei University of Engineering, Handan 056000, Hebei Province, China mjb1972@tom.com

Abstract:

BACKGROUND: As an angiogenic precursor cells, endothelial progenitor cells have a good prospect in the treatment of diabetic vascular disease by promotion of angiogenesis.
OBJECTIVE: To investigate the effects of diabetes mellitus on the promotion of angiogenesis in the ischemic lower limb by transplantation of bone marrow-derived endothelial progenitor cells.
METHODS: Rat models of diabetes mellitus were developed. Bone marrow mononuclear cells from the diabetes mellitus and normal rats were extracted and in vitro cultured towards endothelial progenitor cells. At the same time, diabetes mellitus and normal rat models of ischemic lower limb were established and received local transplantation of diabetes mellitus or normal rat endothelial progenitor cells or PBS into the ischemic region. After transplantation, vascular endothelial growth factor content and microvessel density in the lesion region were determined by ELISA and immunohistochemistry, respectively.
RESULTS AND CONCLUSION: (1) When the recipients were the same, there were no significant differences in vascular endothelial growth factor content and microvessel density in the ischemic tissue between different donors after transplantation of endothelial progenitor cells from diabetes mellitus or normal rats (P > 0.05). (2) When the donors were the same, vascular endothelial growth factor content and microvessel density in the ischemic tissue were significantly greater in the normal rats than those in the diabetes mellitus rats. These findings suggest that diabetes mellitus exhibits no effects on the promotion of angiogenesis by local transplantation of the in vitro cultured endothelial progenitor cells but it greatly impacts the microenvironment of the lesion regions where angiogenesis occurs.

Key words: stem cells, stem cell transplantation, endothelial progenitor cells, transplantation, diabetes mellitus, lower limb ischemia, angiogenesis, vascular endothelial growth factor, microvascular density

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