title: [Intra-arterial transfusion of endothelial progenitor cells accelerate reendothelialization in balloon-denuded rabbit carotid arteries].
abstract: OBJECTIVE
  To investigate the effects of endothelial progenitor cells (EPCs) transfusion on reendothelialization and neointima proliferation in balloon-denuded rabbit carotid arteries.
  
  
  METHODS
  Bone marrow-derived rabbit mononuclear cells (MNCs) were cultured in endothelial basal medium to form EPCs. The cell makers were assayed by immunocytochemistry. The rabbit right carotid artery was injured with 2.5 FPTCA balloon catheter and the EPCs (5 ml) were transfused into the injured carotid artery at a rate of 15 ml/h. The rabbits were killed at 7 days or 14 days post operation. Reendothelialization area and ratio of intima/media (I/M) in injured artery were measured.
  
  
  RESULTS
  EPCs transfusion significantly increased the percentage of endothelialization at 7 days (50.923% +/- 2.476% vs. 28.647% +/- 2.241%) and at 14 days (82.609% +/- 2.611% vs. 49.800% +/- 2.660%) compared to control group (all P < 0.05). I/M ratio was significantly lower in EPCs transfusion group than that in control group (0.378 +/- 0.029 vs. 0.898 +/- 0.038, P < 0.05) 14 days after operation. The labeled EPCs could be detected by immunohistochemistry in the injured vessel wall.
  
  
  CONCLUSIONS
  Intra-arterial transfusion of EPCs can effectively accelerate reendothelialization and reduce neointima formation in balloon-denuded rabbit carotid arteries.
authors: Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China.
authors: Lang
authors: L
authors: Wang
authors: Hong
authors: H
authors: Jiang
authors: Li-hua
authors: LH
authors: Zhu
authors: Hua-zhi
authors: HZ
authors: Wen
mesh_terms: D017130:Angioplasty / Q000379:methods*; D000818:Animals; D020212:Carotid Artery Injuries / Q000628:therapy*; D002478:Cells, Cultured; D004195:Disease Models, Animal; D042783:Endothelial Cells / Q000166:cytology; D004730:Endothelium, Vascular / Q000166:cytology; D005260:Female; D008297:Male; D011817:Rabbits; D012038:Regeneration; D033581:Stem Cell Transplantation / Q000379:methods*; D013234:Stem Cells / Q000166:cytology