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In recent studies, detection rates were found to vary strongly which may be caused by the use of different oral fluid collection devices in combination with molecular assays lacking standardization. In this single-center pilot study, liquid phase-based and absorption-based oral fluid collection was compared. Samples Mdm2 were collected with both systems from 10 patients with acute idiopathic peripheral facial nerve palsy, 10 with herpes labialis or with Ramsay Hunt syndrome, and 10 healthy controls. Commercially available IVD/CE-labeled molecular assays based on fully automated DNA extraction and real-time PCR were employed. With the liquid phase-based oral fluid collection system, three patients with idiopathic peripheral facial nerve palsy tested positive for HSV-1 DNA and another two tested positive for VZV DNA. All patients with herpes labialis tested positive for HSV-1 DNA and all patients with Ramsay Hunt syndrome tested positive for VZV DNA. With the absorption-based oral fluid collection system, detections rates and viral loads were found to be significantly lower when compared to those obtained with the liquid phase-based collection system. Collection of oral fluid with a liquid phase-based system and the use of automated and standardized molecular methods allow early and reliable detection of HSV-1 and VZV DNAs in patients with acute idiopathic peripheral facial nerve palsy and may provide a valuable decision support regarding start of antiviral treatment at the first clinical visit. J. Med. Virol. 82:1582�C1585, 2010. ? 2010 Wiley-Liss, Inc. ""Alanine aminotransferase (ALT), hepatitis B virus (HBV) DNA selleck chemical levels and age are used commonly to assess liver histology in chronic hepatitis B. Increasing levels of HBV DNA are associated with the increasing prevalence of significant fibrosis in HBeAg-negative patients. It is unclear whether these data can be applied to HBeAg-positive patients. In present study, liver biopsies were performed and clinical parameters were measured in 234 treatment-naive chronic HBeAg-positive patients. The proportion of significant fibrosis in patients with ALT 1�C2?��?ULN was similar to in patients Stem Cells antagonist with ALT more than 2?��?ULN (48.4% vs. 51.8%). Patients over 30 years of age (>30 years) had a higher prevalence of significant fibrosis than patients 30 years of age and younger (61.0% vs. 33.6%). Negative correlation between HBV DNA levels and significant fibrosis was observed in patients >30 years. The optimal level of serum HBV DNA to evaluate low risk of significant fibrosis was ��6.7?log10?IU/ml. Patients with serum HBV DNA levels ��8.5?log10?IU/ml all had no significant fibrosis, however, patients with HBV DNA levels