Occult hepatitis B virus infection: influence of S protein variants
نویسندگان
چکیده
منابع مشابه
CHARACTERISTICS AND PREVALENCE OF OCCULT HEPATITIS B VIRUS INFECTION IN PATIENTS WITH HEPATITIS C IN IRAN
ABSTRACT Background: Hepatitis B virus (HBV) infection in patients who lack detectable hepatitis B surface antigen (HBsAg) is called occult hepatitis B infection. Such infections have been frequently identified in patients with chronic hepatitis Cliver disease, but their prevalence is not known. Methods: 207 patients with chronic hepatitis C who were HCV -RNA and antiHCV positive were stu...
متن کاملUpdate on occult hepatitis B virus infection
The event of mutations in the surface antigen gene of hepatitis B virus (HBV) results in undetectable hepatitis B surface antigen with positive/negative anti-hepatitis B core (anti-HBc) antibody status in serum and this phenomenon is named occult hepatitis B infection (OBI). The presence of anti-HBc antibody in serum is an important key for OBI tracking, although about 20% of OBI cases are nega...
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Abstract Background and objectives: Hepatitis B virus infection is a major health problem in worldwide. The prevalence of Occult and chronic HBV in hemodialysis patients is higher than standard in developing countries. People with occult HBV are negative for HBV surface antigen (HBsAg) but positive for HBV-DNA. We aimed to evaluate occult hepatitis B infection in patients under hemodialysis in ...
متن کاملReactivation of Hepatitis B Virus: Inactive Carriers and Occult Infection
In recent years the group of inactive carriers and that of occult hepatitis B virus infection could become a main concern due to their epidemiological and clinical significance. At present, our top priority consists of identifying, prophylaxis and monitoring of these patients undergoing immunosuppressive treatment. This report describes hepatitis B virus reactivation in the two patients in diff...
متن کاملOccult Hepatitis B Virus Infection in Nigerian Blood Donors and Hepatitis B Virus Transmission Risks
BACKGROUND Occult hepatitis B virus infection (OBI) characterized by the absence of detectable HBsAg remains a potential threat in blood safety. We investigated the actual prevalence, viral factors and genotype of OBI infections in Nigerian blood donors. METHODS Serum collected from two blood banks were reconfirmed as HBsAg seronegative by ELISA. Forty HBsAg positive samples were employed as ...
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ژورنال
عنوان ژورنال: Virology Journal
سال: 2016
ISSN: 1743-422X
DOI: 10.1186/s12985-016-0464-z