Chinese Journal of Tissue Engineering Research ›› 2015, Vol. 19 ›› Issue (28): 4478-4484.doi: 10.3969/j.issn.2095-4344.2015.28.010

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Intravenous versus intratracheal administration of mesenchymal stem cells in a mouse model of asthma 

Yao Yin1, 2, Guo Jie-bo1, Deng Xue-quan1, 2, Sun Yue-qi1, 2, Fu Qing-ling1, 2   

  1. 1Otorhinolaryngology Hospital, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China; 
    2Otorhinolaryngology Institute, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • Online:2015-07-02 Published:2015-07-02
  • Contact: Fu Qing-ling, M.D., Researcher, Otorhinolaryngology Hospital, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China; Otorhinolaryngology Institute, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • About author:Fu Qing-ling, M.D., Researcher, Otorhinolaryngology Hospital, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China; Otorhinolaryngology Institute, Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China 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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Abstract:

BACKGROUND: Several studies have demonstrated that mesenchymal stem cells exhibit strong immunomodulation on allergic asthma. However, there are no reports to compare therapeutic effects under different administration ways.

OBJECTIVE: To examine the immunomodulatory effects of MSCs via different administration routes on asthmatic mice.
METHODS: Seventy-two Balb/c mice experienced three independent tests, and 24 mice were selected for each test. Twenty-four mice were randomly divided into four groups (n=6): control group, model group, intravenous treatment group and intratracheal treatment group. The mouse model of asthma was induced via intraperitoneal injection of ovalbumin at 1, 7, 14 days and 30-minute aerosol inhalation of ovalbumin at 22-26 days. In the latter two groups, mesenchymal stem cells were injected intravenously (200 μL, 5×109/L) or intratracheally (50 μL, 2×109/L) into the mice at 1 day before aerosol inhalation.

RESULTS AND CONCLUSION: Compared with the control group, the airway inflammatory response was significantly increased in the model group. Intravenous administration of mesenchymal stem cells significantly alleviated the symptoms of allergic airway inflammation, including the airway hyperreactivity, the inflammatory cell counting in the bronchoalveolar lavage fluid, inflammatory cell infiltration in the lung tissue. Meanwhile, the levels of Th2 type cytokines in the bronchoalveolar lavage fluid and IgE in serum also decreased after intravenous administration of mesenchymal stem cells. However, the intratracheal application of mesenchymal stem cells did not exhibit the similar effects. Intravenous, not intratracheal, application of mesenchymal stem cells can exert immunomodulatory effects through the blood circulation. 
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: Asthma, Mesenchymal Stem Cells, Inflammation, Trachea

CLC Number: