نتایج جستجو برای: cytopathic effect
تعداد نتایج: 1642827 فیلتر نتایج به سال:
Cytomegalovirus (CMV) was demonstrated to induce intrinsic interference to Newcastle disease virus (NDV) in human fibroblast cells under noncytopathic conditions. This interference is unique in that (i) cytomegalovirus is the first DNA virus demonstrated to have this property and (ii) the state of interference was transient and progressively lost as the condition of the cells changed with the d...
The characteristic viral cytopathic effects of herpes simplex virus (HSV) in anorectal cytology specimens are rarely encountered. When present, if clinically asymptomatic, this could represent subclinical shedding of the HSV. Men who have sex with men (MSM) have especially higher rates of shedding HSV than the general population [1,2]. HSV-2-seropositive MSM has more frequent subclinical HSV-2 ...
In addition to previously reported tetracycline analogs, other antibiotics known for antimycoplasmal activities inhibited the cytopathic effect in CEM cl13 cells infected with human immunodeficiency virus type 1 (HIV-1) or HIV-2 but were unable to block virus replication. A contaminating mycoplasma was isolated from our CEM cl13 cells and identified as a strain of Mycoplasma fermentans. Followi...
A microcarrier culture system in combination with enzyme immunofiltration with a herpes simplex virus (HSV) group monoclonal antibody was found to be as sensitive as immunofluorescence for the detection of HSV type 1 (HSV-1) in cell cultures and to give specific identification at the same time as the appearance of the cytopathic effect with very high infectious inocula and within 10 to 24 h of ...
The cytopathic infection of primary astrocytes with ts1, a neuroimmunopathogenic mutant of Moloney murine leukemia virus (MuLV), has been correlated to intracellular accumulation of viral precursor envelope protein gPr80env. To further study this specific virus-astrocyte interaction in a homogenous population, several immortal astrocyte lines were established from neonatal FVB/N mice using the ...
Several cell lines were evaluated for their suitability for rapid detection of herpes simplex virus (HSV) from clinical genital specimens. Human foreskin fibroblast (Flow 7000) cells were found to be most suitable in terms of sensitivity and adherence characteristics. HSV in clinical specimens was isolated by a standard tissue culture method by monitoring the cytopathic effect, and the titers o...
A method for the rapid detection of cytomegalovirus (CMV) in MRC-5 cells 48 h after inoculation with clinical specimens was developed. A commercially available monoclonal antibody to a CMV early nuclear antigen was used in an indirect immunoperoxidase (IPA) staining procedure performed directly on acetone-fixed cell monolayers in standard tubes (16 by 125 mm). Of 190 clinical specimens tested, ...
Unlike amantadine (1-adamantanamine), tromantadine (N-1-adamantyl-N-[2-(dimethyl amino)ethoxy]acetamide hydrochloride) inhibits herpes simplex virus type 1 (KOS strain)-induced cytopathic effect and virus replication with limited toxicity to the cells. Vero and HEp-2 cells tolerated up to 2 mg of tromantadine per 2 X 10(6) cells for 24-, 48-, or 96-h incubation periods with little change in cel...
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