Now showing items 1-6 of 6
Study on the mutagenicity and antimutagenicity of a natural food colour (annatto) in mouse bone marrow cells
(Food and Chemical Toxicology, 2003-02-01) [Artigo]
Most manufactured foods contain chemicals added as a deliberate part of the manufacturing process. The aims of the present study were to evaluate the mutagenicity and antimutagenicity of annatto, a natural pigment extracted ...
Agaricus blazei (Himematsutake) does not alter the development of rat diethylnitrosamine-initiated hepatic preneoplastic foci
(Cancer Science, 2003-02-01) [Artigo]
The modifying potential of crude extracts of the mushroom Agaricus blazei Murrill (Himematsutake) on the development and growth of glutathione S-transferase placental form (GST-P)-positive liver foci (liver preneoplastic ...
Black bean (Phaseolus vulgaris L.) as a protective agent against DNA damage in mice
(Food and Chemical Toxicology, 2003-12-01) [Artigo]
This study was designed to evaluate the toxicogenetic or protective effect of cooked and dehydrated black beans (Phaseolus vulgaris L.) in bone marrow and peripheral blood cells of exposed mice. The frequency of micronuclei ...
Anesthesia of fish with benzocaine does not interfere with comet assay results
(Mutation Research: Genetic Toxicology and Environmental Mutagenesis, 2003-01-10) [Artigo]
Fish blood erythrocytes are frequently used as sentinels in biomonitoring studies. Usually, fish blood is collected by painful cardiac or caudal vein punctures. Previous anesthesia could decrease animal suffering but it ...
Biopatologia do Helicobacter pylori
(Jornal Brasileiro de Patologia e Medicina Laboratorial, 2003-01-01) [Artigo]
A infecção pelo Helicobacter pylori (H. pylori) induz inflamação persistente na mucosa gástrica com diferentes lesões orgânicas em humanos, tais como gastrite crônica, úlcera péptica e câncer gástrico. Os fatores determinantes ...
Dietary components may prevent mutation-related diseases in humans
(Mutation Research-reviews In Mutation Research, 2003-11-01) [Artigo]
Since it is not always possible to reduce human exposure to mutagens, attempts have been directed to identify potential antimutagens and anticarcinogens for use in protecting the population against environmental disease. ...