Dynamics of hepatitis B virus quasispecies heterogeneity in association with nucleos(t)ide analogue treatment determined by MALDI-TOF MS

  • M. R
  • P. S
  • K.P. B
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Abstract

Minor drug-resistant variants may preexist in every subject infected with hepatitis B virus (HBV). However, understanding the dynamic of genotypic evolution within the HBV population requires accurately following allele frequencies through time. We used MALDI-TOF MS (matrix-assisted laser desorption-ionization time-of-flight mass spectrometry) for localization and quantitative allele frequency detection to investigate preexisting HBV quasispecies and the genotypic evolution of drug-resistant variants during nucleos(t)ide analogue therapy. We found a significant difference between the genotypic evolution of drug-resistant variants depending on response to treatment.

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M., R., P., S., & K.P., B. (2015). Dynamics of hepatitis B virus quasispecies heterogeneity in association with nucleos(t)ide analogue treatment determined by MALDI-TOF MS. Clinical Microbiology and Infection, 21(3), 288.e1-288.e4. https://doi.org/10.1016/j.cmi.2014.10.004

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