منابع مشابه
The mutagenic potential of duodenoesophageal reflux.
SUMMARY BACKGROUND DATA Duodenogastric-esophageal reflux disease is directly linked to Barrett's esophagus and to the development of esophageal adenocarcinoma. Despite this link, little is known about the mutagenic potential of refluxed material on the esophageal mucosa. We hypothesize that the reflux of gastric and duodenal content causes mutations in esophageal mucosa in vivo. METHODS Seven...
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The mutagenic potential of aqueous extracts of masheri (ME), chewing tobacco alone (CTE) and a mixture of chewing tobacco plus lime (CTLE) was tested using the Ames assay. ME exhibited mutagenicity in Salmonella typhimurium TA98 upon metabolic activation with aroclor-1254-induced rat liver S9, while nitrosation rendered it mutagenic in TA100 and TA102. CTE exhibited borderline mutagenicity in t...
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The mutagenic/carcinogenic activities of DEHP and MEHP were studied in bacteria and mammalian cells. MEHP but not DEHP exerted a dose-dependent DNA damaging effect to B. subtilis in Rec-assay. DEHP and MEHP showed mutagenic activities to S. typhimurium TA-100, with and without S-9 mix, respectively. MEHP produced not only the mutation in E. coli WP2B/r but also sister chromatid exchanges (SCE) ...
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Plants are one of the natural sources of bioactive molecules with potential abilities against different stress conditions. During pathogenic exposure, an array of biologically active molecules like reactive oxygen intermediates, phytoalexins and defense peptides are synthesized as measure of plant resistance to combat the intensifying conditions. Such molecules play a key role in advancement in...
متن کاملMutagenic potential of the condiments, ginger and turmeric.
Since the early work of Kihlman and Levan (1949) which demonstrated that caffeine induces chromosomal alterations in plants, other reports are available to show that food additives, edible fats, insecticides etc. could be mutagenic (Sax and Sax 1968, Hollaender 1971, Kihlman et al. 1974). The present work was under taken to study the mutagenic effects, if any of ginger and turmeric which have b...
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ژورنال
عنوان ژورنال: CYTOLOGIA
سال: 1979
ISSN: 0011-4545,1348-7019
DOI: 10.1508/cytologia.44.221