In Vitro Transformation by an Avian Adenovirus (CELO). I. Hamster-Embryo Fibroblastic Cultures

Chicken-embryo-lethal-orphan (CELO) virus was shown to transform hamster-embryo fibroblastic cells in vitro. The first signs of infection were at 24 hours when pyramidal or stellate cell forms were observed in a disorganized growth pattern. After 4 passages fibroblastic elements gave way to epitheli...

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Veröffentlicht in:JNCI : Journal of the National Cancer Institute 1969-01, Vol.42 (1), p.1-7
Hauptverfasser: Anderson, Jeffrey, Yates, Vance J., Jasty, V., Mancini, Lawrence O.
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creator Anderson, Jeffrey
Yates, Vance J.
Jasty, V.
Mancini, Lawrence O.
description Chicken-embryo-lethal-orphan (CELO) virus was shown to transform hamster-embryo fibroblastic cells in vitro. The first signs of infection were at 24 hours when pyramidal or stellate cell forms were observed in a disorganized growth pattern. After 4 passages fibroblastic elements gave way to epithelioid-like cells. Virus production decreased as the number of transformed cells increased. A virus-specific intranuclear “T” antigen was observed in most cells by immunofluorescent techniques. Cells from the seventh and twelfth passages induced fibrosarcomas when inoculated subcutaneously into hamsters 3–4 weeks old.
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subjects Adenoviridae
Animals
Cell Transformation, Neoplastic
Cricetinae
Embryo, Mammalian
Fibroblasts
Fibrosarcoma
Fluorescent Antibody Technique
Neoplasms, Experimental
Oncogenic Viruses
title In Vitro Transformation by an Avian Adenovirus (CELO). I. Hamster-Embryo Fibroblastic Cultures
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