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Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus (KSHV)
Published on: September 14, 2010
Kaposi's sarcoma-associated herpesvirus infection in Chinese patients with chronic hepatitis B
Yirui Xie1, Bing Ruan, Yagang Chen
1State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Department of Infectious Diseases, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Abstract:
The seroprevalence of Kaposi's sarcoma-associated herpesvirus (KSHV) in Chinese patients with chronic hepatitis B, the relationship between KSHV and hepatitis B virus (HBV) infection, and the influence of glycyrrhizic acid on KSHV replication in vivo are undefined. Plasma was collected from 211 patients with chronic hepatitis B. Antibody to KSHV ORF65 was evaluated by ELISA, and real-time PCR was used to quantify KSHV DNA and HBV DNA. The KSHV ORF65 positivity rate in patients with chronic hepatitis B was found to be 28% (59/211): 27.3% (44/161) in males and 30% (15/50) in females (P > 0.05). The seroprevalence of KSHV increased with age until reaching the highest rate (37.1%) in the 31-40 years age group. HBV DNA loads in patients with chronic hepatitis B infected with KSHV were higher than those without KSHV infection (9.2 log (10) IU/ml vs. 7.8 log (10) IU/ml, P < 0.05). The average KSHV DNA loads in patients with HBV genotype B, C, and mixed (B/C) were 409.1, 484.5, and 352 copies/ml, respectively (P > 0.05). Patients treated with glycyrrhizic acid had lower KSHV DNA levels than those without therapy (204.7 copies/ml vs. 533.9 copies/ml, P < 0.05). The KSHV ORF65 positivity rates tended to increase with age, but were not related to gender or HBV genotypes. The data indicated the interaction between KSHV and HBV, and the inhibiting effect of glycyrrhizic acid on KSHV replication in patients with chronic hepatitis B.
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