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Morphologic, Immunohistochemical, Immunologic, Ultrastructural, and Time-Related Study of Herpes Simplex Virus Type 1–Infected Cultured Human Fibroblasts

Morphologic, Immunohistochemical, Immunologic, Ultrastructural, and Time-Related Study of Herpes... Membrane glycoproteins of enveloped animal viruses are synthesized, processed, and transported inside infected cells. Expression of viral glycoproteins on the surface of viral particles and host cells are essential for many biologic functions. In the case of herpes simplex virus, the glycoprotein molecules may act as nucleation points for virus assembly and budding at the nuclear membrane. The temporal distribution of herpes simplex virus type 1 particles and glycoproteins in cultured human fibroblasts was studied by titration plaque assay, immunoblots, immunofluorescence light microscopy, and immunogold cryosection electron microscopy to describe the virus-cell interactions. These concordant analyses revealed significant release of infectious viral particles to the medium at 6 hours postinfection, that the capacity of the host cells to make infectious viral particles was complete at 18 hours postinfection, and that the infection brought time-related modifications of tubulin, cell morphology, and viral glycoproteins. The data presented is in accord with the theory of envelopment at the nuclear membranes containing immature glycoproteins followed by multiple deenvelopments and reenvelopments of the virus particles during the transport and maturation in the endoplasmic reticulum and the Golgi complex. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Immunohistochemistry & Molecular Morphology Wolters Kluwer Health

Morphologic, Immunohistochemical, Immunologic, Ultrastructural, and Time-Related Study of Herpes Simplex Virus Type 1–Infected Cultured Human Fibroblasts

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ISSN
1541-2016

Abstract

Membrane glycoproteins of enveloped animal viruses are synthesized, processed, and transported inside infected cells. Expression of viral glycoproteins on the surface of viral particles and host cells are essential for many biologic functions. In the case of herpes simplex virus, the glycoprotein molecules may act as nucleation points for virus assembly and budding at the nuclear membrane. The temporal distribution of herpes simplex virus type 1 particles and glycoproteins in cultured human fibroblasts was studied by titration plaque assay, immunoblots, immunofluorescence light microscopy, and immunogold cryosection electron microscopy to describe the virus-cell interactions. These concordant analyses revealed significant release of infectious viral particles to the medium at 6 hours postinfection, that the capacity of the host cells to make infectious viral particles was complete at 18 hours postinfection, and that the infection brought time-related modifications of tubulin, cell morphology, and viral glycoproteins. The data presented is in accord with the theory of envelopment at the nuclear membranes containing immature glycoproteins followed by multiple deenvelopments and reenvelopments of the virus particles during the transport and maturation in the endoplasmic reticulum and the Golgi complex.

Journal

Applied Immunohistochemistry & Molecular MorphologyWolters Kluwer Health

Published: Mar 1, 2002

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