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Dynamic behavior of hepatitis C virus quasispecies in patients undergoing orthotopic liver transplantation.


ABSTRACT: We have studied the distribution of viral sequences from the 5' noncoding region and from a fragment of the E2/NS2 region of the hepatitis C virus (HCV) genome in samples obtained before and after liver transplantation in two patients with HCV cirrhosis. The population of viral sequences in both regions were established by sequencing cloned PCR products. In both cases, the complexity of the viral quasispecies decreased after transplantation, although the consensus nucleotide and amino acid sequences remained unchanged. It is suggested that both positive and negative selection and random sampling events contribute substantially in shaping the genetic composition of HCV quasispecies and that recurrence of HCV infection may occur under equilibrium conditions.

SUBMITTER: Martell M 

PROVIDER: S-EPMC236838 | biostudies-other | 1994 May

REPOSITORIES: biostudies-other

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Dynamic behavior of hepatitis C virus quasispecies in patients undergoing orthotopic liver transplantation.

Martell M M   Esteban J I JI   Quer J J   Vargas V V   Esteban R R   Guardia J J   Gómez J J  

Journal of virology 19940501 5


We have studied the distribution of viral sequences from the 5' noncoding region and from a fragment of the E2/NS2 region of the hepatitis C virus (HCV) genome in samples obtained before and after liver transplantation in two patients with HCV cirrhosis. The population of viral sequences in both regions were established by sequencing cloned PCR products. In both cases, the complexity of the viral quasispecies decreased after transplantation, although the consensus nucleotide and amino acid seque  ...[more]

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