Chinese Journal of Tissue Engineering Research ›› 2016, Vol. 20 ›› Issue (23): 3425-3431.doi: 10.3969/j.issn.2095-4344.2016.23.012

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Tanshinone II combined with bone marrow mesenchymal stem cell transplantation promotes nerve regeneration following cerebral infarction

Lu Yi-zhong1, Li He-hua2, Lu Yi-fan1   

  1. 1Department of Pharmacology, 2Department of Neurology, First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan Province, China
  • Received:2016-03-26 Online:2016-06-03 Published:2016-06-03
  • Contact: Lu Yi-zhong, Department of Pharmacology, First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan Province, China
  • About author:Lu Yi-zhong, Associate chief pharmacist, Department of Pharmacology, First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan Province, China

Abstract:

BACKGROUND: Studies have shown that tanshinone II can improve microcirculation, dilate cerebral blood vessels, increase cerebral blood flow, reduce infarct size, and improve brain function after cerebral metabolic disorder.
OBJECTIVE: To investigate the effect of tanshinone II combined with bone marrow mesenchymal stem cell transplantation on nerve regeneration following cerebral infarction in rats.
METHODS: Rat models of acute cerebral infarction were prepared using the thread occlusion method and then given tanshinone II combined with bone marrow mesenchymal stem cell transplantation (combined group), bone marrow mesenchymal stem cell transplantation (cell transplantation group), and no treatment (model group), respectively. Neuromotor function was assessed using Longa scores. Expression of brain-derived neurotrophic factor gene around the infarction region was detected using RT-PCR. Cell apoptosis was detected using TUNEL. Immunohistochemistry staining was used to determine peri-cortex Nogo-A and NgR protein expression at the infarction region.
RESULTS AND CONCLUSION: Longa scores, apoptotic index, and expression of Nogo-A and NgR proteins exhibited significant differences among three groups (P < 0.05) as follows: combined group < cell transplantation group < model group. Conversely, the expression of brain-derived neurotrophic factor gene was highest in the combined group successively followed by the cell transplantation group and model group (P < 0.05). These data show that tanshinone II combined with bone marrow mesenchymal stem cell transplantation accelerate the recovery of neurologic function and promote nerve regeneration after cerebral infarction by incresing mRNA expression of brain-derived neurotrophic factor.

 

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

Key words: Stem Cells, Tissue Engineering, Salvia miltiorrhiza

CLC Number: