منابع مشابه
Tumor Promoters: Tennant's Response
This study was undertaken in an attempt to confirm the increased bile-acid concentration in association with nuclear dehydrogenating Clostridia (NDC) in the faeces of colorectal cancer patients. We have studied 37 patients with colorectal cancer and 36 control patients with no known gastrointestinal disease. Stool specimens were obtained for biochemical analysis (total faecal bile acid (FBA), l...
متن کاملSurface active agents as tumor promoters.
*TUC Centenary Institute of Occupational Health London School of Hygiene and Tropical Medicine, Keppel St., London WC1E-7HT, England. the types of promoter listed have not been demonstrated as such by animal experiments, but if a substance is a carcinogenic but not mutagenic, then it is most probably a tumor promoter. This assumes that mutagens are initiators and that promoters can induce cance...
متن کاملTumor promoters and cocarcinogens in tobacco carcinogenesis.
Cigarette smoke induces carcinoma of the larynx in Syrian golden hamsters and is active as a tumor promoter in hamsters pretreated with a low dose of a PAH, nitrosamine, or nitrosamide. These tumorigenic effects are only observed with total smoke, but not with the gas phase alone. This demonstrates that the tumorigenic agents reside primarily in the particulate phase. According to fractionation...
متن کاملCocarcinogenesis and biological effects of tumor promoters.
Imagine that you get such certain awesome experience and knowledge by only reading a book. How can? It seems to be greater when a book can be the best thing to discover. Books now will appear in printed and soft file collection. One of them is this book cocarcinogenesis and biological effects of tumor promoters. It is so usual with the printed books. However, many people sometimes have no space...
متن کاملMouse Skin Treated with Tumor Promoters Characterization of the Hydroperoxide Response Observed in
The production of hydroperoxides is rapidly increased and remains at 200-280% of the control 1-24 h after the second daily application of 17 nmol of 12-0-tetradecanoylphorbol-13-acetate (TPA) to mouse skin in vivo. The levels of hydroperoxides are increased 1.63-, 2.64-, 4.07-, and 4.31-fold 18 h after one, two, three, or four applications of TPA at 24-h intervals, respectively. The hydroperoxi...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1999
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.107-1566813