Chronic liver diseases caused by either hepatitis B or C viruses are a major health problem around the world. Despite major advances accomplished in recent years in understanding the physiology of both viruses using in vitro and/or in vivomodels, there is no vaccine for HCV available. Moreover, susceptibility to acute and chronic infection and the response to treatments are different between HB...

The structure of hepatitis B virus (HBV) has been characterized in great detail (Tiollais & Buendia, 1991). HBV belongs to a group of hepatotropic DNA viruses (hepadnaviruses) that includes the hepatitis viruses of the woodchuck (Summers et al., 1978), ground squirrel (Marion et al., 1980), Pekin duck (Mason et al., 1980) and heron (Sprengel et al., 1988). HBV is a smaII virus, about 42 nm in d...

conclusions according to the presented case and subsequent literature review on fatal ebv hepatitis, clinicians should consider ebv infection in the differential diagnosis when hepatitis occurs in critically ill patients during the anti-tb therapy. although hepatitis caused by ebv is mostly self-limited, some might be fetal. introduction although hepatitis is frequently observed during antitube...

Two human hypatitis viruses have been identified and characterized, but one or more additional agents exist. Hepatitis B virus (HBV) is a complex 42-nm predominantly double-stranded DNA virus with distinct surface and core antigens and an endogenous DNA polymerase. Hepatitis A virus (HAV) is a 27-nm RNA virus with enterovirus-like properties. Progressively more sensitive and specific immunologi...

CONTEXT Orthotopic liver transplantation (OLT) is the treatment of choice for end-stage liver disease. Cirrhosis due to hepatitis C infection is the leading indication for liver transplantation worldwide. However, patients who are given transplants because of viral liver diseases often present clinical coinfections, including hepatitis B together with hepatitis D. Currently, different strategie...

BACKGROUND Chronic lymphoproliferative disorders (CLD) are frequently found in patients with hepatitis viral infections, which can lead to changes in pathogenesis. Hepatitis viruses are hepatotrope viruses, potentially lymphotrope and also potentially oncogenic (hepatocellular carcinoma) viruses. HBV and HCV are involved in autoimmune disorders and in the ethiopathogeny of chronic lymphoprolife...

Many epidemics of water-borne hepatitis have occurred throughout India. These were thought to be epidemics of hepatitis A until 1980, when evidence for an enterically transmitted non-A, non-B hepatitis was first reported. Subsequently, hepatitis E virus was discovered and most recent epidemics of enterically transmitted non-A, non-B hepatitis have been attributed to hepatitis E virus infection....

OBJECTIVES Health care workers, including dentists, are at the front line for acquiring blood-borne virus infections. This study aimed to investigate the prevalence of hepatitis B, hepatitis C and human immunodeficiency viruses among Iranian dentists. MATERIAL AND METHODS The survey included 1628 dental health care workers who attended the 51st annual Congress of the Iranian Dental Associatio...

Hepatitis B virus (HBV) is an enveloped pararetrovirus with a DNA genome, which is found in an up to 36 nm-measuring capsid. Replication of the genome occurs via an RNA intermediate, which is synthesized in the nucleus. The virus must have thus ways of transporting its DNA genome into this compartment. This review summarizes the data on hepatitis B virus genome transport and correlates the find...