Article
Development of new cytomegalovirus UL97 and DNA polymerase mutations conferring drug resistance after valganciclovir therapy in allogeneic stem cell recipients.
Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology - 1 Feb 2007
Marfori Jennifer E, Exner Maurice M, Marousek Gail I, Chou Sunwen, Drew W Lawrence
Abstract excerpt
BACKGROUND: We report on two allogeneic stem cell transplant recipients who developed cytomegalovirus disease associated with new viral mutations that conferred antiviral drug resistance. METHODS: Blood specimens obtained during symptomatic disease were analyzed for mutations in the CMV UL97 and DNA polymerase genes and new mutations were assessed by recombinant phenotyping. RESULTS: Rising cytomegalovirus (CMV)...
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