Effect of cyclophilin A downregulation on growth and metastasis of laryngeal squamous cell carcinoma in nude mice
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Effect of cyclophilin A downregulation on growth and metastasis of laryngeal squamous cell carcinoma in nude mice
J Third Mil Med UnivVol. 39, Issue 4, Pages: 355-360(2017)
作者机构:
作者简介:
基金信息:
the National Clinical Key-discipline Construction Program of China(卫办医政函[2012]649号);the Key Project of Medical Scientific Research Chongqing Health Bureau(20121024)
Lu Bai, Jianrong Zhou, Zhijuan Wang, et al. Effect of cyclophilin A downregulation on growth and metastasis of laryngeal squamous cell carcinoma in nude mice[J]. J Third Mil Med Univ, 2017, 39(4): 355-360.
DOI:
Lu Bai, Jianrong Zhou, Zhijuan Wang, et al. Effect of cyclophilin A downregulation on growth and metastasis of laryngeal squamous cell carcinoma in nude mice[J]. J Third Mil Med Univ, 2017, 39(4): 355-360. DOI: 10.16016/j.1000-5404.201609064.
Effect of cyclophilin A downregulation on growth and metastasis of laryngeal squamous cell carcinoma in nude mice
摘要
Abstract
Objective
2
To explore the effect of RNA interference-mediated cyclophilin A (CypA) down-regulation on the growth and metastasis of laryngeal squamous cell carcinoma in nude mice.
Method
2
Lentiviral vector containing CypA shRNA was constructed and trans infected into Hep2 cells. Fifteen nude mice were randomly divided into 3 groups (
n
=5): control group
NC shRNA group
and CypA shRNA group. The growth and lymph node metastasis of tumors were observed. The expression of CypA
CD147 and matrix metalloproteinase (MMP)-9 in tumor tissues was detected by immunohistochemistry (IHC). The mRNA and protein expression levels of CypA
CD147 and MMP-9 were detected by real-time polymerase chain reaction (RT-PCR) assay and Western blotting
respectively.
Results
2
The gross tumor volume of CypA shRNA group was significantly smaller than those of both control and NC shRNA groups (
P
<
0.05). IHC staining showed cytoplasmic localization of CypA expression
whereas expression of CD147 and MMP-9 was detected in the cytomembrane and tumor stroma
respectively. The mRNA and protein expression levels of CypA
CD147 and MMP-9 were significantly decreased in CypA shRNA group as compared to control and NC shRNA groups (
P
<
0.05).
Conclusion
2
Down-regulation of cyclophilin A can inhibit the growth and metastasis of laryngeal squamous cell carcinoma by mediating the expression of CD147 and MMP-9.
关键词
Keywords
references
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