Rapid detection directly from patient serum samples of human cytomegalovirus UL97 mutations conferring ganciclovir resistance.
نویسندگان
چکیده
Ganciclovir-resistant cytomegalovirus can cause disease and death in transplant recipients. We describe here a rapid PCR- and sequencing-based assay for ganciclovir resistance that can be performed in 1 to 2 working days directly from patient specimens, without the need for amplification of the virus by cell culture. An evaluation of 120 sequential samples submitted for clinical testing revealed a variety of silent and amino acid mutations.
منابع مشابه
Incidence of ganciclovir resistance in CMV-positive renal transplant recipients and its association with UL97 gene mutations
Human cytomegalovirus (CMV) remains the most common infection affecting organ transplant recipients. Despite advances in the prophylaxis and acute treatment of CMV, it remains an important pathogen affecting the short- and long-term clinical outcome of solid organ transplant recipient. The emergence of CMV resistance in a patient reduces the clinical efficacy of antiviral therapy, complicates t...
متن کاملIncidence of ganciclovir resistance in CMV-positive renal transplant recipients and its association with UL97 gene mutations
Human cytomegalovirus (CMV) remains the most common infection affecting organ transplant recipients. Despite advances in the prophylaxis and acute treatment of CMV, it remains an important pathogen affecting the short- and long-term clinical outcome of solid organ transplant recipient. The emergence of CMV resistance in a patient reduces the clinical efficacy of antiviral therapy, complicates t...
متن کاملRapid simultaneous detection by real-time PCR of cytomegalovirus UL97 mutations in codons 460 and 520 conferring ganciclovir resistance.
Ganciclovir (GCV) resistance is an emerging problem for transplant recipients. A sensitive and rapid real-time PCR approach for simultaneous and semiquantitative detection of human cytomegalovirus (HCMV) UL97 mutations in codons 460/520 was established by LightCycler and confirmed by restriction fragment length polymorphism and sequencing. Results from HCMV laboratory strains were compared with...
متن کاملRapid semiquantitative real-time PCR for the detection of human cytomegalovirus UL97 mutations conferring ganciclovir resistance.
BACKGROUND The development of infections with ganciclovir (GCV)-resistant human cytomegalovirus (HCMV) remains a serious problem in recipients of stem cell or organ transplants. Nearly all GCV-resistant clinical isolates have mutations in the viral UL97 gene. The rapid detection of GCV-resistant HCMV infections is necessary and the relative proportions of wild-type and mutant strains are predic...
متن کاملEvolution of mutations conferring multidrug resistance during prophylaxis and therapy for cytomegalovirus disease.
In a human immunodeficiency virus-infected subject, cytomegalovirus (CMV) isolated 9 months after the patient began oral ganciclovir prophylaxis was resistant to ganciclovir and cidofovir and contained mutations in both UL97 and Pol coding regions. At 1 year, retinitis developed, which progressed despite intravenous ganciclovir followed by foscarnet and then cidofovir. A subsequent buffy coat v...
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عنوان ژورنال:
- Journal of clinical microbiology
دوره 45 8 شماره
صفحات -
تاریخ انتشار 2007