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Persistence of "wild-type" and "e-minus" hepatitis B virus infection in chronic healthy HBsAg/anti-HBe positive carriers. 1994

G Raimondo, and G Meucci, and M A Sardo, and G Rodinò, and S Campo, and M Vecchi, and M Pernice, and M G Rumi, and M Tatarella, and R de Franchis
Dipartimento di Medicina Interna, Università di Messina, Italy.

We examined nine chronic healthy hepatitis B surface antigen/antibody to hepatitis Be carriers with consistently normal liver chemistries and negative serum hepatitis B virus-DNA. Liver biopsy, performed twice, 10-11 years apart in all patients, showed normal histology and negative hepatitis B core antigen. DNA extracted from the second liver biopsy specimen, from 1 ml of serum from each patient and from an additional serum sample of 6 ml from two patients, was tested for pre-C/C and pre-S regions of hepatitis B virus-DNA by polymerase chain reaction amplification. Viral sequences were found in six of nine liver DNA extracts. In four cases both pre-C/C and pre-S regions were amplified, while the pre-C/C alone and the pre-S alone were detected in one case each. Direct sequencing of the amplified DNAs revealed no significant genomic changes in the pre-S and Core regions, while analysis of the pre-Core demonstrated the presence of a double viral population (wild-type and "e-defective") in four cases, and only "e-defective" hepatitis B virus in one case. No hepatitis B virus genomes were revealed in the serum sample when DNA was extracted from 1 ml of serum, while viral sequences were detected in both extracts of 6 ml of serum, indicating the presence of very low levels of viremia. These data suggest that episomal hepatitis B virus-DNA may persist for years in the liver of chronic healthy carriers in a latent state which may involve both wild-type and HBeAg-defective hepatitis B virus.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D002353 Carrier State The condition of harboring an infective organism without manifesting symptoms of infection. The organism must be readily transmissible to another susceptible host. Asymptomatic Carrier State,Asymptomatic Infection Carrier,Inapparent Infection Carrier,Presymptomatic Carrier State,Presymptomatic Infection Carrier,Super-spreader Carrier,Superspreader Carrier,Asymptomatic Carrier States,Asymptomatic Infection Carriers,Carrier State, Asymptomatic,Carrier State, Presymptomatic,Carrier States,Carrier, Super-spreader,Carrier, Superspreader,Carriers, Super-spreader,Carriers, Superspreader,Inapparent Infection Carriers,Infection Carrier, Asymptomatic,Infection Carrier, Inapparent,Infection Carrier, Presymptomatic,Presymptomatic Carrier States,Presymptomatic Infection Carriers,Super spreader Carrier,Super-spreader Carriers,Superspreader Carriers
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D005260 Female Females
D006509 Hepatitis B INFLAMMATION of the LIVER in humans caused by a member of the ORTHOHEPADNAVIRUS genus, HEPATITIS B VIRUS. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact. Hepatitis B Virus Infection
D006510 Hepatitis B Antibodies Antibodies to the HEPATITIS B ANTIGENS, including antibodies to the surface (Australia) and core of the Dane particle and those to the "e" antigens. Anti-Australia Antigens,Anti-HBAg,Anti-Hepatitis B Antigens,Anti HBAg,Hepatitis B Virus Antibodies,Anti Australia Antigens,Anti Hepatitis B Antigens,Antibodies, Hepatitis B,Antigens, Anti-Australia,Antigens, Anti-Hepatitis B,B Antibodies, Hepatitis,B Antigens, Anti-Hepatitis,HBAg, Anti
D006512 Hepatitis B Core Antigens The hepatitis B antigen within the core of the Dane particle, the infectious hepatitis virion. HBcAg,Hepatitis B Core Antigen
D006513 Hepatitis B e Antigens A closely related group of antigens found in the plasma only during the infective phase of hepatitis B or in virulent chronic hepatitis B, probably indicating active virus replication; there are three subtypes which may exist in a complex with immunoglobulins G. HBeAg,Hepatitis B e Antigen,Hepatitis Be Antigen,e Antigen,e Antigens,HBe Ag-1,HBe Ag-2,Hepatitis Be Antigens,Antigen, Hepatitis Be,Antigen, e,Antigens, Hepatitis Be,Antigens, e,Be Antigen, Hepatitis,Be Antigens, Hepatitis
D006514 Hepatitis B Surface Antigens Those hepatitis B antigens found on the surface of the Dane particle and on the 20 nm spherical and tubular particles. Several subspecificities of the surface antigen are known. These were formerly called the Australia antigen. Australia Antigen,HBsAg,Hepatitis B Surface Antigen,Antigen, Australia

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