نتایج جستجو برای: carcinogens
تعداد نتایج: 10821 فیلتر نتایج به سال:
Occupational skin cancer may manifest when employees are under exposure to one specific carcinogenic substance or more in the workplace. Workplaces often have higher concentrations of carcinogens compared any other setting. The most common causes workplace ultraviolet radiation, ionizing polycyclic aromatic hydrocarbons, and arsenic. However, there is only a limited number studies on from occup...
This study aimed at discriminating carcinogens on the basis of hepatic transcript profiling in the rats administrated with a variety of carcinogens and non-carcinogens. We conducted 28-day toxicity tests in male F344 rats with 47 carcinogens and 26 non-carcinogens, and then investigated periodically the hepatic gene expression profiles using custom microarrays. By hierarchical cluster analysis ...
A total of 224 chemicals that have been tested in long-term studies for carcinogenicity in rats and mice by the National Cancer Institute and the National Toxicology Program were tested for mutagenicity in Salmonella typhimurium. Correlations between mutagenicity and carcinogenicity were examined. The influences of chemical structure, rodent species and organ responses, and bacterial strain res...
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