Neoplastic Conversion of Human Keratinocytes by Adenovirus 12-SV40 Virus and Chemical Carcinogens
- 18 April 1986
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 232 (4748), 385-388
- https://doi.org/10.1126/science.2421406
Abstract
Efforts to investigate the progression of events that lead human cells of epithelial origin to become neoplastic in response to carcinogenic agents have been aided by the development of tissue culture systems for propagation of epithelial cells. In the present study, nontumorigenic human epidermal keratinocytes immortalized by adenovirus 12 and simian virus 40 (Ad 12-SV40) were transformed by treatment with the chemical carcinogens N-methyl-N'-nitro-N-nitrosoguanidine or 4-nitroquinoline-1-oxide. Such transformants showed morphological alterations and induced carcinomas when transplanted into nude mice, whereas primary human epidermal keratinocytes treated with these chemical carcinogens failed to show any evidence of transformation. This in vitro system may be useful in assessing environmental carcinogens for human epithelial cells and in detecting new human oncogenes.This publication has 29 references indexed in Scilit:
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