[Persistence of lymphocytic choriomeningitis virus in a transplantable line of Detroit-6 cells]. 1977

Iu N Cherednichenko, and G R Mikhaĭlova, and S Ia Gaĭdamovich, and L A Monastyreva, and S A Demidova

Defective LCM virus was found to persist in Detroit-6 cells. The persisting virus was not infectious for susceptible mice and some cell cultures. Its antigenic properties were enhanced to detectable levels in the CFT by cocultivation with LSV5 cells only. No reversion to its pathogenic properties, however, occurred either after 8 subpassages of the cocultivated cells or after blind passages of these cells in suckling mouse brains. The cytogenetic analysis, and the pattern of antigen fluorescence (IIF) revealed similarities between HeLa and D-6 cell lines persistently infected with LCM virus. The highest intensity of LCM virus antigen coincided with the period of maximum miotic activity of D-6-LCM cells, indicating a correlation between synthesis processes in the cells and reproduction of the persisting virus. Upon superinfection of D-6-LCM cells with homo- and isologous viruses no increase in the percentage of the antigen-containing cells was observed. No detectable interferon was found in the D-6-6CM system.

UI MeSH Term Description Entries
D007372 Interferons Proteins secreted by vertebrate cells in response to a wide variety of inducers. They confer resistance against many different viruses, inhibit proliferation of normal and malignant cells, impede multiplication of intracellular parasites, enhance macrophage and granulocyte phagocytosis, augment natural killer cell activity, and show several other immunomodulatory functions. Interferon
D008217 Lymphocytic choriomeningitis virus The type species of ARENAVIRUS, part of the Old World Arenaviruses (ARENAVIRUSES, OLD WORLD), producing a silent infection in house and laboratory mice. In humans, infection with LCMV can be inapparent, or can present with an influenza-like illness, a benign aseptic meningitis, or a severe meningoencephalomyelitis. The virus can also infect monkeys, dogs, field mice, guinea pigs, and hamsters, the latter an epidemiologically important host. LCM Viruses,LCMV,LCM Virus,Lymphocytic choriomeningitis viruses
D008938 Mitosis A type of CELL NUCLEUS division by means of which the two daughter nuclei normally receive identical complements of the number of CHROMOSOMES of the somatic cells of the species. M Phase, Mitotic,Mitotic M Phase,M Phases, Mitotic,Mitoses,Mitotic M Phases,Phase, Mitotic M,Phases, Mitotic M
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D002875 Chromosomes In a prokaryotic cell or in the nucleus of a eukaryotic cell, a structure consisting of or containing DNA which carries the genetic information essential to the cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Chromosome
D003588 Cytopathogenic Effect, Viral Visible morphologic changes in cells infected with viruses. It includes shutdown of cellular RNA and protein synthesis, cell fusion, release of lysosomal enzymes, changes in cell membrane permeability, diffuse changes in intracellular structures, presence of viral inclusion bodies, and chromosomal aberrations. It excludes malignant transformation, which is CELL TRANSFORMATION, VIRAL. Viral cytopathogenic effects provide a valuable method for identifying and classifying the infecting viruses. Cytopathic Effect, Viral,Viral Cytopathogenic Effect,Cytopathic Effects, Viral,Cytopathogenic Effects, Viral,Effect, Viral Cytopathic,Effect, Viral Cytopathogenic,Effects, Viral Cytopathic,Effects, Viral Cytopathogenic,Viral Cytopathic Effect,Viral Cytopathic Effects,Viral Cytopathogenic Effects
D003673 Defective Viruses Viruses which lack a complete genome so that they cannot completely replicate or cannot form a protein coat. Some are host-dependent defectives, meaning they can replicate only in cell systems which provide the particular genetic function which they lack. Others, called SATELLITE VIRUSES, are able to replicate only when their genetic defect is complemented by a helper virus. Incomplete Viruses,Defective Hybrids,Defective Hybrid,Defective Virus,Hybrid, Defective,Hybrids, Defective,Incomplete Virus,Virus, Defective,Virus, Incomplete,Viruses, Defective,Viruses, Incomplete
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D014776 Virus Cultivation Process of growing viruses in live animals, plants, or cultured cells. Viral Cultivation,Cultivation, Viral,Cultivation, Virus,Cultivations, Viral,Cultivations, Virus,Viral Cultivations,Virus Cultivations

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