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Article

Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo

  • Authors:
    • Fang Liu
    • Gong Zhang
    • Fanrong Liu
    • Xinhua Zhou
    • Xiaoyan Chen
    • Xiqun Han
    • Ziqing Wu
    • Tong Zhao
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, School of Basic Medical Science, Southern Medical University, Guangzhou 510515, P.R. China
  • Pages: 1405-1414
    |
    Published online on: January 18, 2013
       https://doi.org/10.3892/or.2013.2244
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Abstract

Mouse CD99 antigen-like 2 (mCD99L2) has previously been confirmed to be expressed in murine B lymphoma (A20) cells by our group. The present study aimed to establish a mCD99L2‑downregulated A20 cell line and to investigate the effect of shRNA targeting mCD99L2 in A20 cells in vitro and in vivo. Four pLenti6/mCD99L2 expression vectors containing the mCD99L2 shRNA-expressing cassette were constructed, transfected into A20 cells and stable mCD99L2-downregulated A20 subclones, termed A20-mCD99L2- cells, were established and identified by quantitative PCR and western blot analysis. Light and transmission electron microscopy, MTT assay, flow cytometry and immunofluorenscence labeling were used to observe the morphological, biological and phenotypic characteristics in vitro. Some of the A20-mCD99L2- cells exhibited H/RS‑cell like morphology, a decreased proliferative ability, a prolonged G2 phase and increased CD30 and CD15 expression. Upon injecting cells into nude or immunocompetent BALB/c mice, tumorigenesis, tumor growth, morphology and phenotypes in vivo were observed. A20-mCD99L2- cells induced tumors in nude and BALB/c mice, but with less potency in the latter compared with the controls. Similar morphological, biological and phenotypic characteristics were observed in the A20-mCD99L2- cell-induced tumors as those in vitro. Several cytokines including CD30T, IL-12p40/p70, IL-3, IFN-γ, CXCL16, MIP-1α and CD40 were upregulated following mCD99L2 downregulation when detected using antibody arrays. The results from western blot analysis indicated that the regulation of mCD99L2 expression may involve the activated nuclear factor-κB pathway in the murine B lymphoma cells. The present study provides data for further investigation into the mCD99L2 gene in tumor cells.
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Copy and paste a formatted citation
Spandidos Publications style
Liu F, Zhang G, Liu F, Zhou X, Chen X, Han X, Wu Z and Zhao T: Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo. Oncol Rep 29: 1405-1414, 2013.
APA
Liu, F., Zhang, G., Liu, F., Zhou, X., Chen, X., Han, X. ... Zhao, T. (2013). Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo. Oncology Reports, 29, 1405-1414. https://doi.org/10.3892/or.2013.2244
MLA
Liu, F., Zhang, G., Liu, F., Zhou, X., Chen, X., Han, X., Wu, Z., Zhao, T."Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo". Oncology Reports 29.4 (2013): 1405-1414.
Chicago
Liu, F., Zhang, G., Liu, F., Zhou, X., Chen, X., Han, X., Wu, Z., Zhao, T."Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo". Oncology Reports 29, no. 4 (2013): 1405-1414. https://doi.org/10.3892/or.2013.2244
Copy and paste a formatted citation
x
Spandidos Publications style
Liu F, Zhang G, Liu F, Zhou X, Chen X, Han X, Wu Z and Zhao T: Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo. Oncol Rep 29: 1405-1414, 2013.
APA
Liu, F., Zhang, G., Liu, F., Zhou, X., Chen, X., Han, X. ... Zhao, T. (2013). Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo. Oncology Reports, 29, 1405-1414. https://doi.org/10.3892/or.2013.2244
MLA
Liu, F., Zhang, G., Liu, F., Zhou, X., Chen, X., Han, X., Wu, Z., Zhao, T."Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo". Oncology Reports 29.4 (2013): 1405-1414.
Chicago
Liu, F., Zhang, G., Liu, F., Zhou, X., Chen, X., Han, X., Wu, Z., Zhao, T."Effect of shRNA targeting mouse CD99L2 gene in a murine B cell lymphoma in vitro and in vivo". Oncology Reports 29, no. 4 (2013): 1405-1414. https://doi.org/10.3892/or.2013.2244
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