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The recommended treatment for patients with chronic hepatitis C, pegylated interferon-alpha (PEG-IFN-alpha) plus ribavirin (RBV), does not provide sustained virologic response (SVR) in all patients. We report a genome-wide association study (GWAS) to null virological response (NVR) in the treatment of patients with hepatitis C virus (HCV) genotype 1 within(More)
BACKGROUND AND STUDY AIMS Endoscopic submucosal dissection (ESD) aims to resect large neoplastic lesions en bloc, allowing for more precise histopathological analysis. The present retrospective study aimed to analyze the technical and clinical outcomes after ESD of colorectal tumors. PATIENTS AND METHODS ESD was performed for the treatment of 71(More)
In Japan, the prevalence of hepatocellular carcinoma (HCC) associated with nonviral liver disease, especially with nonalcoholic fatty liver disease (NAFLD-HCC) and alcoholic liver disease (ALD-HCC), has been increasing. Clarification of the clinical features of NAFLD-HCC and ALD-HCC is needed. We performed a large retrospective multicenter survey to clarify(More)
UNLABELLED Hepatocellular carcinoma (HCC) is characterized by frequent recurrence, even after curative treatment. Vitamin K2, which has been reported to reduce HCC development, may be effective in preventing HCC recurrence. Patients who underwent curative ablation or resection of HCC were randomly assigned to receive placebo, 45 mg/day, or 90 mg/day vitamin(More)
BACKGROUND & AIMS Pegylated interferon and ribavirin (PEG-IFN/RBV) therapy for chronic hepatitis C virus (HCV) genotype 1 infection is effective in 50% of patients. Recent studies revealed an association between the IL28B genotype and treatment response. We aimed to develop a model for the pre-treatment prediction of response using host and viral factors.(More)
We focused on determining the most accurate and convenient genotyping methods and most appropriate single nucleotide polymorphism (SNP) among four such polymorphisms associated with interleukin-28B (IL-28B) in order to design tailor-made therapy for patients with chronic hepatitis C virus (HCV) patients. First, five different methods (direct sequencing,(More)
For the identification of susceptibility loci for primary biliary cirrhosis (PBC), a genome-wide association study (GWAS) was performed in 963 Japanese individuals (487 PBC cases and 476 healthy controls) and in a subsequent replication study that included 1,402 other Japanese individuals (787 cases and 615 controls). In addition to the most significant(More)
The next-generation droplet digital polymerase chain reaction (ddPCR) assay employs an emulsion-based endpoint to quantitate the amount of target DNA and is more robust than real-time PCR when analyzing sequence variations. However, no studies have applied this technique to quantitate mutations in polymorphic viral genomes. To develop this approach, a(More)
UNLABELLED The predictive role of antinuclear antibodies (ANAs) remains elusive in the long-term outcome of primary biliary cirrhosis (PBC). The progression of PBC was evaluated in association with ANAs using stepwise Cox proportional hazard regression and an unconditional stepwise logistic regression model based on the data of 276 biopsy-proven, definite(More)
AIM   IL28B polymorphisms serve to predict response to pegylated interferon plus ribavirin therapy (PEG IFN/RBV) in Japanese patients with chronic hepatitis C (CHC) very reliably. However, the prediction by the IL28B polymorphism contradicted the virological response to PEG IFN/RBV in some patients. Here, we aimed to investigate the factors responsible for(More)