Chinese Journal of Tissue Engineering Research ›› 2015, Vol. 19 ›› Issue (36): 5764-5768.doi: 10.3969/j.issn.2095-4344.2015.36.005

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Culture supernatant of bone marrow mesenchymal stem cells for treatment of bronchial asthma and its influence on lung inflammation

Lei Yan1, Liu Chang-qing2   

  1. 1Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xi’an 712000, Shaanxi Province, China; 2Tangdu Hospital, Fourth Military Medical University of PLA, Xi’an 710032, Shaanxi Province, China
  • Online:2015-09-03 Published:2015-09-03
  • About author:Lei Yan, Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xi’an 712000, Shaanxi Province, China

Abstract:

BACKGROUND: Bronchial asthma is considered generally to have an association with Th2 immune response disease, but there is no ideal treatment. Bone marrow mesenchymal stem cells as a kind of adult stem cells not only have the multipotent differentiation and proliferation capacity, but also have low immunogenicity and immunoregulation ability.
OBJECTIVE: To investigate the effect of culture supernatant of bone marrow mesenchymal stem cells on lung inflammation of bronchial asthma mice.
METHODS: Twenty experimental mice were randomly divided into control and experimental groups, 10 mice in each group. At 0 and 14 days, intraperitoneal injection of ovalbumin induced sensitization in mice, and at 24-26 days, aerosolized ovalbumin solution was used for excitation. From the 24th day, in the experimental group, bone marrow mesenchymal stem cell supernatant was intraperitoneally injected at 2 hours before excitation; meanwhile, normal saline was injected in the control group. At the last of excitation, the mice were sacrificed under anesthesia to take serum samples, bronchoalveolar lavage fluid and lung tissues.
RESULTS AND CONCLUSION: (1) Mice in the control group appeared to have abnormal lung tissue structure, and there were a large amount of eosinophils and monocytes in the submucosa and muscularis. However, lung inflammation was relieved in the experimental group after bone marrow mesenchymal stem cell treatment.
 (2) The levels of interleukin-17 in the bronchoalveolar lavage fluid and serum were significantly lower in the experimental group than the control group (P < 0.05), but there was no difference in the levels of interleukin-4 between the two groups (P > 0.05). These findings indicate that the intraperitoneal injection of bone marrow mesenchymal stem cells can ease lung inflammation and reduce levels of inflammatory markers in the bronchoalveolar lavage fluid and serum of bronchial asthma mice.

 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: Bone Marrow, Mesenchymal Stem Cells, Asthma, Interleukin-17

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