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Article

Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo

  • Authors:
    • Chengliang Zhu
    • Hui Song
    • Fengxia Xu
    • Wei Yi
    • Fang Liu
    • Xinghui Liu
  • View Affiliations / Copyright

    Affiliations: Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China, Department of Clinical Laboratory, Gongli Hospital, The Second Military Medicine University, Shanghai 200135, P.R. China, The State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei 430072, P.R. China
  • Pages: 7459-7463
    |
    Published online on: March 9, 2018
       https://doi.org/10.3892/ol.2018.8223
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Abstract

The immune system serves an important function in Hepatitis B virus (HBV) infection, and the complement system is a major component of innate immunity. However, the regulatory effect of HBV on complement proteins has not yet been fully elucidated. The present study focused on investigating the impact of HBV on the expression of complement proteins C3 and C4. A total of 226 patients with a clinical diagnosis of HBV infection were enrolled in the study, including 153 with chronic hepatitis B (CHB) and 73 with hepatocellular carcinoma (HCC), whereas 116 healthy individuals were included as a control group. Immunoturbidimetric detection was performed to determine the levels of complement C3 and C4 in the serum of the patients with HBV and the control group. The results revealed that the mean ± standard deviation C3 and C4 content was 1.223±0.237 and 0.226±0.052 g/l for the control group, 0.687±0.150 and 0.145±0.070 g/l for the patients with CHB, and 0.829±0.332 and 0.174±0.088 g/l for the patients with HCC, respectively. The levels of complement C3 and C4 in the patients with CHB or HCC were significantly lower than the control group (P<0.05). The HBV infectious clone pHBV1.3 was used to transfect Huh7 cells; Huh7 cells transfected with the pBlue‑ks empty vector were used as the blank control. The changes in mRNA and protein expression of complements C3 and C4 were detected by RT‑PCR and western blotting. When compared with the control cells, the Huh7 cells transfected with pHBV1.3 exhibited reduced C3 and C4 mRNA and protein expression levels. It was concluded that HBV can inhibit the expression of complement C3 and C4 in vitro and in vivo, which may lay the foundation for revealing the pathogenesis of HBV.
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Copy and paste a formatted citation
Spandidos Publications style
Zhu C, Song H, Xu F, Yi W, Liu F and Liu X: Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo. Oncol Lett 15: 7459-7463, 2018.
APA
Zhu, C., Song, H., Xu, F., Yi, W., Liu, F., & Liu, X. (2018). Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo. Oncology Letters, 15, 7459-7463. https://doi.org/10.3892/ol.2018.8223
MLA
Zhu, C., Song, H., Xu, F., Yi, W., Liu, F., Liu, X."Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo". Oncology Letters 15.5 (2018): 7459-7463.
Chicago
Zhu, C., Song, H., Xu, F., Yi, W., Liu, F., Liu, X."Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo". Oncology Letters 15, no. 5 (2018): 7459-7463. https://doi.org/10.3892/ol.2018.8223
Copy and paste a formatted citation
x
Spandidos Publications style
Zhu C, Song H, Xu F, Yi W, Liu F and Liu X: Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo. Oncol Lett 15: 7459-7463, 2018.
APA
Zhu, C., Song, H., Xu, F., Yi, W., Liu, F., & Liu, X. (2018). Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo. Oncology Letters, 15, 7459-7463. https://doi.org/10.3892/ol.2018.8223
MLA
Zhu, C., Song, H., Xu, F., Yi, W., Liu, F., Liu, X."Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo". Oncology Letters 15.5 (2018): 7459-7463.
Chicago
Zhu, C., Song, H., Xu, F., Yi, W., Liu, F., Liu, X."Hepatitis B virus inhibits the expression of complement C3 and C4, in vitro and in vivo". Oncology Letters 15, no. 5 (2018): 7459-7463. https://doi.org/10.3892/ol.2018.8223
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