Survival of 60Co-irradiated herpes simplex virus in 15 human diploid fibroblast cell strains |
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Authors: | G B Zamansky J B Little |
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Institution: | Laboratory of Radiobiology, Harvard University School of Public Health, 665 Huntington Avenue, Boston, Massacusetts 02115 U.S.A. |
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Abstract: | The present study was designed to determine the extent to which herpes simplex virus (HSV) may be utilized to study the repair of DNA damaged by ionizing radiation. We investigated the survival of 60Co-irradiated HSV in cell strains derived from 2 normal controls and 13 patients with a broad range of diseases associated with possible DNA repair deficiencies. Irradiation was performed under two conditions to vary the type of damage incurred by the virus. HSV survival was greatly enhanced when the virus was irradiated in such a way that the indirect effects of ionizing radiation were minimized. We found no correlation between cellular hypersensitivity to ionizing radiation and survival of irradiated HSV. Reduced levels of virus survival were found in only 1 cell strain. When cells were treated with ionizing radiation or UV light prior to infection, no enhancement of virus survival was observed. |
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Keywords: | AT ataxia telangiectasia HSV herpes simplex virus XP xeroderma pigmentosum |
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