Article
HBV carrying drug-resistance mutations in chronically infected treatment-naive patients.
Antiviral therapy - 1 Jan 2015
Gomes-Gouvêa Michele S, Ferreira Ariana C, Teixeira Rosangela, Andrade José R, Ferreira Adalgisa S P, Barros Lena M F, Rezende Rosamar E F, Nastri Ana C S Santos, Leite Andrea G B, Piccoli Leonora Z, Galvan Josiane, Conde Simone R S S, Soares Manoel C P, Kliemann Dimas A, Bertolini Dennis A, Kunyoshi Aline S O, Lyra André C, Oikawa Marcio K, de Araújo Luciano V, Carrilho Flair J, Mendes-Corrêa Maria C J, Pinho João R Rebello
Abstract excerpt
BACKGROUND: Nucleoside/nucleotide analogue (NA) treatment causes selection pressure for HBV strains carrying mutations conferring NA resistance. Drug-resistance mutations occur in the reverse transcriptase (RT) region of the HBV polymerase gene and spontaneously arise during viral replication. These mutations can also alter the hepatitis B surface (HBs) protein and in some cases reduce binding to HBs antibodies....
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