نتایج جستجو برای: ganciclovir
تعداد نتایج: 2404 فیلتر نتایج به سال:
Malignancies associated with latent Epstein-Barr virus (EBV) are resistant to nucleoside-type antiviral agents because the viral enzyme target of these antiviral drugs, thymidine kinase (TK), is not expressed. Short-chain fatty acids, such as butyrate, induce EBV-TK expression in latently infected B cells. As butyrate has been shown to sensitize EBV(+) lymphoma cells in vitro to apoptosis induc...
Ganciclovir resistance of human cytomegalovirus is associated with mutations in the viral UL97 gene and poses severe problems for immunocompromised patients. In this study, PCRbased restriction fragment length polymorphism and sequencing analyses detected the UL97 D605E mutation in all five clinical isolates from patients with ganciclovir-resistant human cytomegalovirus infection during prolong...
Between November 1987 and September 1989, 419 cadaveric renal transplants were performed at our university. Of the patients 36 (8.6%) had invasive cytomegalovirus infection documented by gastric or duodenal mucosal biopsy in 23 (64%), bronchoalveolar lavage in 12 (33%), allograft biopsy or nephrectomy specimen in 5 (14%) and/or liver biopsy in 1 (3%). Cytomegalovirus severity was defined as mil...
We report here the use of the 5' flanking region of the murine tyrosinase gene to direct expression of the herpes simplex virus thymidine kinase i/A i gene specifically to murine melanoma cells, whilst not permitting expres sion in a range of other cell types. Expression of the herpes simplex virus tk gene from the tyrosinase promoter in melanoma cells rendered them sensitive to killing by ganc...
This study sought to determine whether high-dose acyclovir improves posttransplant survival in cytomegalovirus (CMV)-seropositive patients when ganciclovir is given for prophylaxis or as early therapy. Three groups were studied: Group 1 (n = 112) received ganciclovir from engraftment without prior acyclovir treatment, group 2 (n = 114) was given ganciclovir for CMV pp65 antigenemia without prio...
To study its safety and efficacy in treating cytomegalovirus (CMV) retinitis, an AIDS patient received an intravitreal injection of liposome encapsulated ganciclovir in the right eye. The left eye served as a control, receiving intravitreal free ganciclovir. The right eye showed no retinal haemorrhages or detachment; however, vision declined initially, stabilising later. Weekly examination show...
screened for congenital infections, only 1 immunocompetent newborn had active retinitis. Because the disease is considered to be self-limiting and systemic treatment can be harmful, treatment remains controversial. In 2003, the National Institute of Allergy and Infectious Diseases Collaborative Antiviral Study Group conducted a pharmacokinetic-pharmacodynamic study establishing a safe dose of i...
We report here the use of the 5' flanking region of the murine tyrosinase gene to direct expression of the herpes simplex virus thymidine kinase (tk) gene specifically to murine melanoma cells, whilst not permitting expression in a range of other cell types. Expression of the herpes simplex virus tk gene from the tyrosinase promoter in melanoma cells rendered them sensitive to killing by gancic...
Foscarnet is an active agent against cytomegalovirus (CMV) infection after hematopoietic stem cell transplantation (HSCT), as well as ganciclovir. We investigated the usefulness of foscarnet in patients who underwent related allogeneic HSCT. Foscarnet was used in 320 patients with a median age of 45 years (range 15-72). The purpose of administration was CMV disease in 65, preemptive use in 248 ...
OBJECTIVES To determine whether valganciclovir 450 mg every 48 h for cytomegalovirus (CMV) prophylaxis provides appropriate ganciclovir exposure in solid organ transplant recipients during continuous renal replacement therapy (CRRT). PATIENTS AND METHODS Ganciclovir pharmacokinetics was intensively studied in two lung transplant recipients under valganciclovir 450 mg every 48 h over one dosin...
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