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Improved Mesenchymal Stem Cell Survival in Ischemic Heart through Electroacupuncture
Jia Xiaohua
2013-08
发表期刊Chin J Integr Med
卷号19期号:8页码:573
摘要
; Objective: To investigate whether electroacupuncture (EA) can promote cell survival and enhance
heart function of mesenchymal stem cells (MSCs) therapy.
Methods: MSCs were isolated from bone marrow
and expanded in Minimum Essential Medium Alpha (
α-MEM). MI was induced in 72 Sprague-Dawley (S-D) rats
by ligation of the left anterior descending coronary artery (LAD) for 30 min and reperfusion. MI rats randomly
received injection of 1
×106 DiI-labeled MSCs alone (n=24, MSC group), or plus electroacupuncture (EA) at
Neiguan (PC6, n=24, EA+MSC group), or saline (n=24, saline group). EA treatment was performed for 4 days.
Another 24 rats were subjected to chest-open surgery without LAD occlusion and treatment (sham group). Three
time points, 4, 14 and 28 days (n=8 for each group) were included in this study. The survival of transplanted
MSCs and the protective gene expression were analyzed by reverse transcriptase polymerase chain reaction
(RT-PCR) and Western blot at day 4 and 14. Left ventricular remodeling, cardiac function, infarction area, fibrosis
and capillary density were analyzed at day 28.
Results: EA can enhance MSC survival (2.6-fold up) at day 4. Big
capillary density was 53% higher in EA+MSC treated group than MSC alone group. Furthermore, the rats treated
by EA reduced the fibrosis and had 36% smaller infarct size comparing to MSC alone. EA also attenuated left
ventricular remodeling and enhanced the functional recovery of infarcted hearts at week 4.
Conclusion: EA at
Neiguan acupoint can promote the stem cell survival and improve ischemic heart function. EA could become a
useful approach in stem cell therapy for ischemia heart diseases.


关键词Electroacupuncture
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/21794
专题中国科学院分子影像重点实验室
推荐引用方式
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Jia Xiaohua. Improved Mesenchymal Stem Cell Survival in Ischemic Heart through Electroacupuncture[J]. Chin J Integr Med,2013,19(8):573.
APA Jia Xiaohua.(2013).Improved Mesenchymal Stem Cell Survival in Ischemic Heart through Electroacupuncture.Chin J Integr Med,19(8),573.
MLA Jia Xiaohua."Improved Mesenchymal Stem Cell Survival in Ischemic Heart through Electroacupuncture".Chin J Integr Med 19.8(2013):573.
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