| Literature DB >> 620412 |
A R Kennedy, S Mondal, C Heidelberger, J B Little.
Abstract
A phorbol ester promoting agent, 12-O-tetradecanoyl-phorbol-13-acetate, enhances X-ray transformation in vitro in a two-stage fashion similar to that shown previously for ultraviolet radiation and chemical carcinogens. In studies with a mouse embryo-derived cell line (C3H/1OT 1/2 clone 8), there were clear interactive effects between X-radiation and 12-O-tetradecanoylphorbol-13-acetate. These were particularly marked when a minimally transforming X-ray dose (50 or 100 rads) was followed by 12-O-tetradecanoylphorbol-13-acetate treatment beginning either immediately after the radiation exposure or 48 to 96 hr later.Entities:
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Year: 1978 PMID: 620412
Source DB: PubMed Journal: Cancer Res ISSN: 0008-5472 Impact factor: 12.701