نتایج جستجو برای: hepatitis b virus hbv
تعداد نتایج: 1260001 فیلتر نتایج به سال:
abstract background: investigators were suspicious of tyrosine-methionine-aspartate-aspartate (ymdd) mutations occurred only in patients who were treated by lamivudine. however, ymdd mutations of hepatitis b virus gene (hbv dna) in patients with chronic hepatitis b (chb) untreated with antiviral medicines was reported in some studies. the aim of this study was to evaluate ymdd mutations in iran...
Compliance with and responses to the hepatitis B vaccine were evaluated in remaining quilombo communities in Central Brazil. A total of 708 individuals who were susceptible to hepatitis B virus infection were invited to participate in the hepatitis B vaccination program in eight communities. Although 567 (80%) individuals received the first dose, only 198 (28%) complied with the full vaccinatio...
Hepatitis B virus (HBV) infection is a major cause of chronic active hepatitis, cirrhosis, and primary hepatocellular carcinoma, all of which are severe threats to human health. However, current clinical therapies for HBV are limited by potential side effects, toxicity, and drug-resistance. In this study, a cell-penetrating peptide-conjugated peptide nucleic acid (PNA), Tat-PNA-DR, was designed...
Background & Aim: Hepatitis B vaccine is in national vaccination programs. In healthy individuals the immune response is complete d by three-dose injections in 95% of cases and remains complete with time. However, in patients with chronic transfusion this immune response may be incomplete . In such patients, it is advised to check HBs antibody periodically, and use booster dose in cases with ...
The prevalence, incidence and clinical course of viral hepatitis were prospectively determined in consecutive recipients of T-cell depleted hematopoieic stem cell transplants (49 mismatched, 60 matched, mean age 38 years; range 11-65). The prevalence of hepatitis B virus (HBV) was 15.6% and that of hepatitis C virus was 3.7% (HCV). HBV reactivated in one patient. Another developed ex novo acute...
Hepatitis B virus (HBV) and hepatitis C (HCV) infections remain a significant health burden in the world, which is mainly attributed to patients who develop chronic hepatitis, liver cirrhosis, hepatocellular carcinoma (HCC). The epidemiology of Surakarta, Central Java Province, Indonesia has never been reported. This study aimed investigate demographic, clinical, laboratory characteristics with...
Although safe and effective vaccines for hepatitis B virus (HBV) have been available for nearly three decades, this virus kills at least 600,000 people annually worldwide and remains the leading global cause of chronic hepatitis, cirrhosis, and hepatocellular carcinoma. Because the HBV reverse transcriptase lacks a proofreading function, many HBV genotypes, subgenotypes, mutants, and recombinan...
800x600 hepatitis b virus (hbv) infection is the main cause of chronic hepatitis, cirrhosis and hepatocellular carcinoma (hcc). several factors such as serum hbv dna level, genotype and specific viral mutations have been clarified to determine disease progression of chronic hepatitis b. among these, mutations can also occur in chronic hbv patients with antiviral treatment such as lamivudine the...
Hepatitis Delta virus (HDV) is a degenerate RNA virus or virusoid and a satellite of Hepatitis B virus (HBV). Three distinct genotypes are described for HDV; genotype I is distributed worldwide but other genotypes appear to be more restricted geographically. In the present study, an RT-nested PCR method was set up to detect delta infection from serum samples. Moreover, the target amplified sequ...
BACKGROUND There is no standard management of reactivation of hepatitis B virus (HBV) infection in HBV-resolved patients without hepatitis B surface antigen (HBsAg), but with antibodies against hepatitis B core antigen and/or antibodies against HBsAg (anti-HBs). METHODS We conducted a prospective observational study to evaluate the occurrence of HBV reactivation by serial monthly monitoring o...
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