Chinese Journal of Tissue Engineering Research ›› 2015, Vol. 19 ›› Issue (10): 1551-1555.doi: 10.3969/j.issn.2095-4344.2015.10.014

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Homing time window of allogeneic bone marrow stem cells transplanted into Chinese miniature pigs with myocardial infarction

Xiang Li-ping, Guan Li-na, Shi Qi, Mu Yu-ming   

  1. Department of Cardiac Ultrasound Diagnostics, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang Uygur Autonomous Region, China
  • Online:2015-03-05 Published:2015-03-05
  • Contact: Mu Yu-ming, M.D., Chief physician, Department of Cardiac Ultrasound Diagnostics, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang Uygur Autonomous Region, China
  • About author:Xiang Li-ping, Studying for master’s degree, Department of Cardiac Ultrasound Diagnostics, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang Uygur Autonomous Region, China
  • Supported by:

    the National Natural Science Foundation of China, No. 81271590

Abstract:

BACKGROUND: Due to the different transplantation time after myocardial infarction, the homing ability of bone marrow mesenchymal stem cells to damaged tissues as well as the repairing role will be very different.

 
OBJECTIVE: To explore the optimal window time for the homing of bone marrow mesenchymal stem cells to the myocardial tissue after myocardial infarction.
METHODS: Eighteen Chinese miniature pigs were modeled by the ligation of left anterior descending coronary artery. BrdU-labeled bone marrow mesenchymal stem cells were injected via the coronary artery at 1 day, 3 days, 1 week, 2 weeks, 3 weeks, 4 weeks after modeling, respectively. Then, the animals were killed at 3 days after cell transplantation to detect the home of bone marrow mesenchymal stem cells in the infarct zone.
RESULTS AND CONCLUSION: BrdU-labeled positive cells with brown nuclei were visible at 1 day, 3 days, 1 week, 2 weeks, 3 weeks, and 4 weeks after myocardial infarction, especially at 1 week after myocardial infarction (P < 0.05). It indicates that the best homing window for bone marrow mesenchymal stem cells was at week after myocardial infarction, when the stem cell transplantation is given to be able to promote myocardial repair.

中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程


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Key words: Bone Marrow, Mesenchymal Stem Cell Transplantation, Myocardial Infarction

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