Virulence determinants in hepadnavirus infection

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/158010

Funding Status
Closed

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Funded Activity Summary

The human hepatitis B virus (HBV) is a member of the hepadnavirus family that includes a number of other very similar host-specific viruses. Acute HBV infection can produce extreme variation in disease, ranging from asymptomatic infection, to acute transient hepatitis with jaundice, or fulminant hepatitis leading to liver failure (Hollinger, 1996). The identification of viral genes that affect the severity of disease is a major current goal in medical virology. For example, there is considerable interest in identifying the genes of the influenza genome responsible for high mortality outbreaks; with the human immunodeficiency virus, the virus that causes AIDS, variants deleted in the nef gene region cause a less rapidly progressing infection and have attracted attention as a possible prototype for an attenuated vaccine. We propose to investigate how the different genes of hepadnaviruses affect the course of infection and type of disease produced. Studies will be performed in ducks infected with the duck hepatitis B virus (DHBV) as these animals provide the only model system available in Australia. We will study both experimentally and naturally derived DHBV variants to explore the effects of genetic changes on the outcome of infection. This will enhance our understanding of this virus family and will provide models for comparison with HBV infection. This knowledge may then contribute to our ability to manage and control HBV disease in humans.

Funded Activity Details

Start Date: 01-01-2001

End Date: 01-01-2003

Funding Scheme: NHMRC Project Grants

Funding Amount: $377,036.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Applied immunology (incl. antibody engineering xenotransplantation and t-cell therapies)

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

Ability of viral variants to cause disease | Altered viral phenotype | Cytopathic variants | Extrahepatic disease | Hepatitis B virus infection | Liver disease | Viral hepatitis

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