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Article

Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells

  • Authors:
    • Yu‑Jia Du
    • Ze‑Min Lin
    • Ying‑Hua Zhao
    • Xiu‑Ping Feng
    • Chang‑Qing Wang
    • Gang Wang
    • Chun‑Di Wang
    • Wei Shi
    • Jian‑Ping Zuo
    • Fan Li
    • Cheng‑Zhong Wang
  • View Affiliations / Copyright

    Affiliations: Norman Bethune College of Medicine, Jilin University, Changchun 130021, P.R. China, Laboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China, Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, College of Life Science, Jilin University, Changchun, P.R. China, Pharmaceutical R&D Center, Gene Science Pharmaceuticals Co. Ltd., Changchun 130012, P.R. China
  • Pages: 507-516
    |
    Published online on: December 20, 2012
       https://doi.org/10.3892/ijo.2012.1747
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Abstract

The anti‑erbB2 scFv‑Fc‑IL‑2 fusion protein (HFI) is the basis for development of a novel targeted anticancer drug, in particular for the treatment of HER2‑positive cancer patients. HFI was fused with the anti‑erbB2 antibody and human IL‑2 by genetic engineering technology and by antibody targeting characteristics of HFI. IL‑2 was recruited to target cells to block HER2 signaling, inhibit or kill tumor cells, improve the immune capacity, reduce the dose of antibody and IL‑2 synergy. In order to analyse HFI drug ability, HFI plasmid stability was verified by HFI expression of the trend of volume changes. Additionally, HFI could easily precipitate and had progressive characteristics and thus, the buffer system of the additive phosphate‑citric acid buffer, arginine, Triton X‑100 or Tween‑80, the establishment of a microfiltration, ion exchange, affinity chromatography and gel filtration chromatography‑based purification process were explored. HFI samples were obtained according to the requirements of purity, activity and homogeneity. In vivo, HFI significantly delayed HER2 overexpression of non‑small cell lung cancer (Calu‑3) in human non‑small cell lung cancer xenografts in nude mice, and the inhibition rate was more than 60% (P<0.05) in the group treated with 1 mg/kg the HFI dose; HFI significantly inhibited HER2 expression of breast cancer (FVB/neu) transgenic mouse tumor growth in 1 mg/kg of the HFI dose group, and in the following treatment the 400 mm3 tumors disappeared completely. Combined with other HFI test data analysis, HFI not only has good prospects, but also laid the foundation for the development of antibody‑cytokine fusion protein‑like drugs.
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Copy and paste a formatted citation
Spandidos Publications style
Du YJ, Lin ZM, Zhao YH, Feng XP, Wang CQ, Wang G, Wang CD, Shi W, Zuo JP, Li F, Li F, et al: Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells. Int J Oncol 42: 507-516, 2013.
APA
Du, Y., Lin, Z., Zhao, Y., Feng, X., Wang, C., Wang, G. ... Wang, C. (2013). Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells. International Journal of Oncology, 42, 507-516. https://doi.org/10.3892/ijo.2012.1747
MLA
Du, Y., Lin, Z., Zhao, Y., Feng, X., Wang, C., Wang, G., Wang, C., Shi, W., Zuo, J., Li, F., Wang, C."Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells". International Journal of Oncology 42.2 (2013): 507-516.
Chicago
Du, Y., Lin, Z., Zhao, Y., Feng, X., Wang, C., Wang, G., Wang, C., Shi, W., Zuo, J., Li, F., Wang, C."Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells". International Journal of Oncology 42, no. 2 (2013): 507-516. https://doi.org/10.3892/ijo.2012.1747
Copy and paste a formatted citation
x
Spandidos Publications style
Du YJ, Lin ZM, Zhao YH, Feng XP, Wang CQ, Wang G, Wang CD, Shi W, Zuo JP, Li F, Li F, et al: Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells. Int J Oncol 42: 507-516, 2013.
APA
Du, Y., Lin, Z., Zhao, Y., Feng, X., Wang, C., Wang, G. ... Wang, C. (2013). Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells. International Journal of Oncology, 42, 507-516. https://doi.org/10.3892/ijo.2012.1747
MLA
Du, Y., Lin, Z., Zhao, Y., Feng, X., Wang, C., Wang, G., Wang, C., Shi, W., Zuo, J., Li, F., Wang, C."Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells". International Journal of Oncology 42.2 (2013): 507-516.
Chicago
Du, Y., Lin, Z., Zhao, Y., Feng, X., Wang, C., Wang, G., Wang, C., Shi, W., Zuo, J., Li, F., Wang, C."Stability of the recombinant anti‑erbB2 scFv‑Fc‑interleukin‑2 fusion protein and its inhibition of HER2‑overexpressing tumor cells". International Journal of Oncology 42, no. 2 (2013): 507-516. https://doi.org/10.3892/ijo.2012.1747
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