نتایج جستجو برای: genotoxicity
تعداد نتایج: 4817 فیلتر نتایج به سال:
Background and purpose: Copper is a trace element that is used in various industries. Copper nano-particles are being used in different skin care products, lubricants, oils, polymers, metal covers, plastics, inks, etc. Previous studies have shown that both copper sulfate and copper nano-particles can induce cellular genotoxicity and DNA damage. So, this study aimed at evaluating and comparing g...
A review of the literature published on the genotoxicity of soil is presented in this report. Subheadings of the report include outlines of genotoxicity assays that have been used to examine the soil samples and methods commonly used to prepare soil samples for genotoxicity assay, and a review of the genotoxicity of soil. Soil has been grouped according to potential sources of pollution, e.g. i...
Genotoxicity is a major limitation of various compounds used in clinical practices which range from gene mutations, chromosomal aberrations to other DNA effects. For the same reason, it must be assessed before bringing into the market. Moreover, various regulatory agencies have made it mandatory to submit the genotoxicity data while filing a New Drug Application (NDA). This in turn has given fu...
malathion (s-(1, 2-dicarboethoxyethyl) o, o-dimethyl phosphorodithioate) is one of the organophosphate pesticides comprehensively used in agriculture fields throughout the world. in spite of widely used, little information are available about dna damage in aquatic organisms. therefore, the present study carried out to investigation of dna damage induced by malathion in cyprinus carpio (pisces: ...
This review provides a compendium of retrievable results of genotoxicity and animal carcinogenicity studies performed of antibacterial, antiviral, antimalarial and antifungal drugs of long-term or intermittent frequent use. Of the 48 drugs considered, 9 (18.75%) do not have retrievable data, whereas the other 39 (81.25%) have at least one genotoxicity or carcinogenicity tests result. Of these 3...
The examination of caecal contents allows one to investigate the exposure of colon mucosa to dietary toxins and the chemical contaminants present in animal feed. The objective of the present study was to examine the influence of Fusarium mycotoxins (zearalenone, ZEN, and deoxynivalenol, DON), administered separately and as a mixture, on the genotoxicity of caecal water (CW) from gilts fed these...
Genotoxicity and carcinogenicity testing of pharmaceuticals prior to commercialization is requested by regulatory agencies. The bacterial mutagenicity test was considered having the highest accuracy of carcinogenic prediction. However, some evidences suggest that it always results in false-positive responses when the bacterial mutagenicity test is used to predict carcinogenicity. Along with maj...
This review provides a compendium of retrievable results of genotoxicity and carcinogenicity assays performed on marketed gastrointestinal drugs. Of the 71 drugs considered, 38 (53.5%) do not have retrievable data, whereas the other 33 (46.5%) have at least one genotoxicity or carcinogenicity test result. Of these 33 drugs, 15 tested positive in at least one genotoxicity assay and 13 in at leas...
ionizing radiation causes dna damage and chromosome abbreviations on normal cells. the radioprotective effect of celecoxib (clx) was investigated against genotoxicity induced by ionizing radiation in cultured human blood lymphocytes. peripheral blood samples were collected from human volunteers and were incubated at different concentrations at 1, 5, 10 and 50 μm of clx for two hours. at each do...
In today's changing conditions, there has been an increase in the consumption of ready-made food with change eating habits. Moreover, parallel to production, additives used. The dose amounts are determined as a result experimental analyses. However, some show long-term toxic effects on human body genotoxicity tests. this review, definition substances, purposes usage, classification, genotoxicit...
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