نتایج جستجو برای: ویروس آبله مرغان وزونا vzv
تعداد نتایج: 6276 فیلتر نتایج به سال:
Varicella-zoster virus (VZV) open reading frames (ORFs) 47 and 66 encode proteins that are homologous to a family of eukaryotic serine-threonine kinases. Prior studies showed that the VZV ORF47 protein has kinase activity in vitro and is dispensable for replication in cultured cells. To examine the role of the ORF66 protein during infection, we constructed VZV recombinants that are unable to ex...
Primary infection with varicella zoster virus (VZV) results in varicella (chickenpox) followed by the establishment of latency in sensory ganglia. Declining T cell immunity due to aging or immune suppressive treatments can lead to VZV reactivation and the development of herpes zoster (HZ, shingles). HZ is often associated with significant morbidity and occasionally mortality in elderly and immu...
The common marmoset, Callithrix jacchus, can be infected with human varicella-zoster virus (VZV), both wild-type strain KMcC and attenuated vaccine strain Oka/Merck. Infection was accomplished with either whole-cell-associated or cell extract VZV by combined oral-nasal-conjunctival application and was characterized by substantial and persistent anti-VZV antibody responses. The infectivity of VZ...
INTRODUCTION Varicella-zoster virus (VZV) can cause life-threatening disease in immunosuppressed patients, including kidney allograft recipients. This study was designed to evaluate the immune status of the cohort of hemodialysis patients, who could potentially be candidates for kidney transplantation, against VZV, and to determine the correlation between the self-reported history of chickenpox...
Uremia results in a relatively immunocompromised status, and patients under chronic dialysis have an elevated risk of developing herpes zoster (HZ). We sought to investigate the relationship between vitamin D status and immunity to varicella-zoster virus (VZV). A multicenter prevalent hemodialysis cohort was assembled between 2012 and 2013. We assayed the biochemical parameters, 25-hydroxy- (25...
Varicella-zoster virus (VZV) causes varicella, establishes latency in sensory ganglia, and reactivates as herpes zoster. Human dorsal root ganglia (DRGs) xenografts in immunodeficient mice provide a model for evaluating VZV neuropathogenesis. Our investigation of the role of glycoprotein I (gI), which is dispensable in vitro, examines the functions of a VZV gene product during infection of huma...
Varicella-zoster virus (VZV) glycoprotein E (gE) is required for VZV infection. Although gE is well conserved among alphaherpesviruses, the amino terminus of VZV gE is unique. Previously, we showed that gE interacts with insulin-degrading enzyme (IDE) and facilitates VZV infection and cell-to-cell spread of the virus. Here we define the region of VZV gE required to bind IDE. Deletion of amino a...
Varicella zoster virus (VZV) open reading frame 61 (ORF61) is one of the four transcription regulated proteins, which is homologous to herpes simplex virus 1 (HSV-1) ICP0 and can partially complement the function of ICP0 in ICP0 deletion mutant HSV-1. Since ICP0 can inhibit the innate immunity in many levels such as IRF3 and PML, here we investigate the role of ORF61 in helping VZV evading IFN-...
Varicella zoster virus (VZV) is a highly neurotropic, exclusively human herpesvirus. Primary infection causes varicella (chickenpox), wherein VZV replicates in multiple organs, particularly the skin. Widespread infection in vivo is confirmed by the ability of VZV to kill tissue culture cells in vitro derived from any organ. After varicella, VZV becomes latent in ganglionic neurons along the ent...
Precise information about varicella-zoster virus (VZV) infection in first-trimester fetuses remains sketchy. After varicella infection was diagnosed in a woman, her 12-week-old fetus was aborted and was investigated, by histological examination, virus culturing, polymerase chain reaction, in situ hybridization (ISH), and immunohistochemistry (IHC), for the presence of VZV infection. Only the re...
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