IngentaConnect Hepatitis C virus replicons: dinosaurs still in business?

Authors: Woerz, I.; Lohmann, V.; Bartenschlager, R.

Source: Journal of Viral Hepatitis, Volume 16, Number 1, January 2009 , pp. 1-9(9)

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Abstract:

Summary.

Since the molecular cloning of the hepatitis C virus (HCV) genome for the first time in 1989, there has been tremendous progress in our understanding of the multiple facets of the replication cycle of this virus. Key to this progress has been the development of systems to propagate the virus in cell culture, which turned out to be a notoriously difficult task. A major breakthrough has been the construction of subgenomic replicons that self-amplify in cultured human hepatoma cells. These RNAs recapitulate the intracellular steps of the HCV replication cycle and have been instrumental to decipher details of the RNA amplification steps including the identification of key host cell factors. However, reproduction of the complete viral replication cycle only became possible with the advent of a particular molecular HCV clone designated JFH-1 that replicates to very high levels and supports the production of infectious virus particles. The availability of this new culture system raises the question, whether the use of replicons is still justified. In this review, we will discuss the pros and cons of both systems.

Keywords: HCV cell culture system; HCVcc; hepatitis C virus; replicon system

Document Type: Review article

DOI: 10.1111/j.1365-2893.2008.01066.x