Dehao Shang

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TT virus (TTV) is transfusion-transmissible but its involvement in post-transfusion hepatitis is uncertain. To investigate the potential association of TTV with liver diseases, the prevalence of TTV DNA was tested by semi-nested PCR in 113 carriers of hepatitis C virus (HCV), 10 patients with acute liver failure, 11 patients with cryptogenic cirrhosis and(More)
The HCV hypervariable region 1 (HVR1) of the main E2 envelope protein is critically important in HCV neutralization but its extreme variability makes immune therapy and vaccine development particularly difficult. To explore the hypothesis that HVR1 carries a common epitope susceptible of eliciting cross-reactive neutralizing and inhibitory antibodies,(More)
The mechanisms leading to squamous cell carcinoma of the head and neck (SCCHN) metastasis are incompletely understood. Although evidence shows that the chemokine receptor 7 (CCR7) and its ligand CCL19 may regulate tumor dissemination, their role in SCCHN is not clearly defined. CCR7 has been shown to regulate integrins, which facilitate adhesion of cancer(More)
The hypervariable region 1 (HVR1) of hepatitis C virus (HCV) may contain a potential neutralization site and the generation of human single-chain antibody fragments (scFv) to HVR1 may therefore provide a useful tool for the study of HCV. In this report, we have isolated and characterized three anti-HVR1 scFv clones from two patient-derived phage-displayed(More)
PURPOSE This retrospective study was set to explore the influence of local bone density (BD) on implant cumulative survival rates (ICSRs) and to assess prognostic factors associated with implant failure at sites with different BD. MATERIALS AND METHODS Between January 2005 and December 2011, 2,684 implants were placed in 1,377 patients and included in the(More)
Radiotherapy and chemotherapy are targeted primarily at rapidly proliferating cancer cells and are unable to eliminate cancer stem cells in the G0 phase. Thus, these treatments cannot prevent the recurrence and metastasis of cancer. Understanding the mechanisms by which cancer stem cells are maintained in the dormant G0 phase, and how they become active is(More)
To investigate the potential clinical utility of antibody response to HVR1 of HCV, the genomic and amino acid diversity of HVR1 was compared between two groups of four chronic HCV carriers with or without liver cirrhosis. Peptides corresponding to the deduced COOH- and NH2-terminal amino acid sequences of HVR1 were synthesised to assess the reactivity of(More)
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