نتایج جستجو برای: simplexvirus
تعداد نتایج: 6071 فیلتر نتایج به سال:
The infectivity titre of two strains of Herpesvirus hominis was reduced by not more than six log(10) units by 90 minutes' exposure to chlorhexidine at a final concentration of 0.02% at room temperature. Under identical conditions the compound was ineffective against a vaccine strain of poliovirus and against an adenovirus. Experimental conditions are described whereby the toxic effect of the di...
Although the herpes simplex virus type 1 (HSV-1) tegument is comprised of a large number of viral and cellular proteins, how and where in the cell these proteins are recruited into the virus structure is poorly understood. We have shown previously that the immediate-early gene product ICP0 is packaged by a mechanism dependent on the major tegument protein VP22, while others have shown a require...
Human cytomegalovirus (HCMV) is exquisitely adapted to the human host, and much research has focused on its evolution over long timescales spanning millennia. Here, we review recent data exploring the evolution of the virus on much shorter timescales, on the order of days or months. We describe the intrahost genetic diversity of the virus isolated from humans, and how this diversity contributes...
A comparison has been made of the efficiency of human embryo kidney (HEK) cills, HeLa cells, and WI38 cells for the isolation of viruses from the eyes of patients suffering from acute conjunctivitis or keratoconjunctivitis. From a total of 99 specimens 21 adenoviruses (serotypes 3, 4, 7, 8, and 13) were isolated in HEK cells, eight (serotypes 3 and 8) in HeLa cells, and four (serotype 3) in WI3...
The pathogenic microbial flora of genital ulcers in 161 (80 men and 81 women) unselected patients was studied prospectively. In only one case was Treponema pallidum responsible whereas herpes simplex virus was considered to be the cause of 130 (80.8%) genital ulcers. H ducreyi was isolated from 46 (28.6%) patients, most commonly as a secondary pathogen in herpetic lesions. Two or more pathogens...
The aim of this study was to understand how molecular determinants of epithelial cells influence initial infection by herpes simplex virus type 1 (HSV-1). Upon infection of the epithelial MDCKII cell line, enhanced association of virus particles with cells forming actin protrusions was observed, suggesting a putative role of actin dynamics in HSV-1 infection. Thus, the impact of the small Rho-l...
Cerebrospinal fluid samples from 257 patients with suspected herpes simplex virus encephalitis were prospectively analyzed by herpes simplex virus polymerase chain reaction. The polymerase chain reaction indicated herpes simplex virus encephalitis in 9 serologically proven cases and in 14 additional patients. Increased polymerase chain reaction signals were observed together with more severe ne...
Lytic infection with herpes simplex virus results in transcriptional induction of a cellular gene encoding ubiquitin, causing increased accumulation of ubiquitin RNA and protein in the infected cell. This induction, which is dependent upon viral protein synthesis, does not occur in the HSV-1 mutant tsK which is defective in the gene encoding the viral protein ICP4. Transfected cells expressing ...
The replication of herpes simplex virus type I and herpes simplex virus type 2 was studied in two isolated hamster cell lines. These lines developed after being treated with herpes simplex virus type 2 inactivated with 7,~2-dimethylbenz(a)anthracene. One cell line that developed, HDC-22, had a hypodiploid chromosome number and was missing a D-group chromosome. Growth studies revealed that this ...
Virus infection induces a rapid cellular response in cells characterized by the induction of interferon. While interferon itself does not induce an antiviral response, it activates a number of interferon-stimulated genes that collectively function to inhibit virus replication and spread. Previously, we and others reported that herpes simplex virus type 1 (HSV-1) induces an interferon -independe...
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