Significance of the quantitative measurement of the chr16: 51320015 integration site in hepatocytes of patients with chronic hepatitis B

  • Authors:
    • Peng Ruan
    • Xiufang Dai
    • Zequn Sun
    • Chunfang Zhou
    • Fan Yang
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  • Published online on: September 11, 2015     https://doi.org/10.3892/mmr.2015.4319
  • Pages: 6855-6860
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Abstract

The present study reported the presence of a hepatitis B virus (HBV) major integration site (MIS) chr16: 51320015 and discussed the significance of quantitative measurement of this site. A total of 30 hepatitis B e antigen (HBeAg) positive (+) and 30 HBeAg negative (‑) patients with chronic hepatitis B (CHB) were enrolled in the present study, and the levels of intrahepatic (IH) covalently closed circular DNA (cccDNA), serum HBV DNA and hepatitis B surface antigen (HBsAg) were detected. Conventional reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) and Sanger sequencing were designed to verify the chr16: 51320015 integration site, and the copy numbers of this site were measured using molecular clone and SYBR Green I RT‑qPCR. This site was found to be present in the hepatocytes of all the enrolled patients, and the average number of copies was 1.46x10‑2±4.94x10‑2 copies/cell (3.48x10‑5‑0.212 copies/cell). No significant difference in the copy numbers of this site were observed between the HBeAg (+) (1.43±9.79x10‑1 copies/cell) and HBeAg (‑) patients (6.58x10‑2±2.47x10‑2 copies/cell; P>0.05), which were positively correlated with the levels of serum HBsAg (P=0.0038), but were not correlated with the levels of IH cccDNA (P=0.7785). In conclusion, the chr16:51320015 integration site may be a novel site, which persists in a several patients with HBV infection, and may accumulate in the hepatocytes due to clonal expansion. The diagnostic and therapeutic values of this site require further investigation.
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November-2015
Volume 12 Issue 5

Print ISSN: 1791-2997
Online ISSN:1791-3004

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Spandidos Publications style
Ruan P, Dai X, Sun Z, Zhou C and Yang F: Significance of the quantitative measurement of the chr16: 51320015 integration site in hepatocytes of patients with chronic hepatitis B. Mol Med Rep 12: 6855-6860, 2015
APA
Ruan, P., Dai, X., Sun, Z., Zhou, C., & Yang, F. (2015). Significance of the quantitative measurement of the chr16: 51320015 integration site in hepatocytes of patients with chronic hepatitis B. Molecular Medicine Reports, 12, 6855-6860. https://doi.org/10.3892/mmr.2015.4319
MLA
Ruan, P., Dai, X., Sun, Z., Zhou, C., Yang, F."Significance of the quantitative measurement of the chr16: 51320015 integration site in hepatocytes of patients with chronic hepatitis B". Molecular Medicine Reports 12.5 (2015): 6855-6860.
Chicago
Ruan, P., Dai, X., Sun, Z., Zhou, C., Yang, F."Significance of the quantitative measurement of the chr16: 51320015 integration site in hepatocytes of patients with chronic hepatitis B". Molecular Medicine Reports 12, no. 5 (2015): 6855-6860. https://doi.org/10.3892/mmr.2015.4319