نتایج جستجو برای: hepatitis b virus mutation
تعداد نتایج: 1498097 فیلتر نتایج به سال:
one of the most serious kinds of hepatitis is hepatitis b. this condition is more common than aids, and is 100 time more contagious. in iran the most common cause of acute and chronic hepatitis, liver cirrhosis, and also hepatocellar carcinoma in adults, is hepatitis b. more than two billion people are infected and more than 350 million of individuals are carriers of this virus in the entire wo...
Proofreading deficiencies of hepatitis B virus polymerase result in frequent DNA mutations in the hepatitis B virus genome. Here, we performed sequencing analysis of the hepatitis B virus polymerase gene to assess its association with the postoperative survival in 92 patients with HBV-related hepatocellular carcinoma by using the Kaplan-Meier method. The 2525, 2733, 2738, 2768, 2946, 3063, 3066...
De novo hepatitis B is associated with a high risk of hepatic failure often resulting in fatal fulminant hepatitis even when nucleotide analogues are administered. A 77-year-old female developed de novo hepatitis B after R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone) treatment for diffuse large B-cell lymphoma. Hepatitis B virus (HBV) isolated from the patient ...
Abstract There are some reports about hepatitis B and C Virus infection in hemophiliacs in different part of our country. We studied Guilan Province hemophiliacs to determine the frequency of hepatitis B surface antigen (HbsAg), anti hepatitis C antibody and liver function test impairments. This study was done from Feb to Apr 1999 among hemophiliacs registered in Guilan Hemophilia Society. Pat...
conclusions fluctuations in serum alt levels may change the prognosis of a hbv inactive carrier state. objectives this study aimed to determine the incidence rate and patterns of alt fluctuations and prognostic values for the development of chronic hbv e antigen (hbeag)-negative hepatitis b (chb), hbv surface antigen (hbsag) seroclearance, and liver-related complications. patients and methods t...
Abstract Background: Naturally occurred hepatitis B virus (HBV) with surface mutations in a variety of chronic hepatitis B (CHB) patients who have received no vaccine or HBIG bearing substitutions in surface protein, have been reported. Objectives: Current knowledge concerning the prevalence of these naturally occurring surface antigen mutations among Iranian carriers is limited. Patients and M...
background: sen virus (senv) is the latest virus proposed as a cause of unknown hepatitis cases. among nine detected genotypes of the virus, genotypes d and h are more frequent in hepatitis cases of unknown origin. the aim of this study was to determine the frequency of senv-d and senv-h genotypes in the sera of healthy individuals and hepatitis b and c patients. methods: totally, 200 serum sam...
background immunomodulators and nucleotide analogues have been used globally for the dealing of chronic hepatitis b virus (hbv) infection. however, the development of drug resistance is a major limitation to their long-term effectiveness. objectives the aim of this study was to characterize the hepatitis b virus reverse transcriptase (rt) protein variations among iranian chronic hbv carriers wh...
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