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Antimutagenic and anticarcinogenic effects of wheat bran in vivo. 2013

J R Pesarini, and P T Zaninetti, and M O Mauro, and C M Carreira, and J B Dichi, and L R Ribeiro, and M S Mantovani, and R J Oliveira
Centro de Estudo em Nutrição e Genética Toxicológica, Centro Universitário Filadélfia, Londrina, PR, Brasil.

Previous studies in rodents treated with the pro-carcinogen 1,2-dimethylhydrazine suggested that the consumption of wheat bran protected against DNA damage in the colon and rectum. Based on this information, we evaluated wheat bran as a functional food in the prevention and treatment of colon cancer. We used the aberrant crypt focus assay to evaluate the anticarcinogenic potential of wheat bran (Triticum aestivum variety CD-104), the comet assay to evaluate its antigenotoxicity potential, and the micronucleus assay to evaluate its antimutagenic potential. The wheat bran gave good antimutagenic and anticarcinogenic responses; the DNA damage decreased from 90.30 to 26.37% and from 63.35 to 28.73%, respectively. However, the wheat bran did not significantly reduce genotoxicity. Further tests will be necessary, including tests in human beings, before this functional food can be recommended as an adjunct in the prevention and treatment of colon cancer.

UI MeSH Term Description Entries
D008297 Male Males
D009929 Organ Size The measurement of an organ in volume, mass, or heaviness. Organ Volume,Organ Weight,Size, Organ,Weight, Organ
D003106 Colon The segment of LARGE INTESTINE between the CECUM and the RECTUM. It includes the ASCENDING COLON; the TRANSVERSE COLON; the DESCENDING COLON; and the SIGMOID COLON. Appendix Epiploica,Taenia Coli,Omental Appendices,Omental Appendix,Appendices, Omental,Appendix, Omental
D004043 Dietary Fiber The remnants of plant cell walls that are resistant to digestion by the alimentary enzymes of man. It comprises various polysaccharides and lignins. Fiber, Dietary,Roughage,Wheat Bran,Bran, Wheat,Brans, Wheat,Dietary Fibers,Fibers, Dietary,Roughages,Wheat Brans
D004249 DNA Damage Injuries to DNA that introduce deviations from its normal, intact structure and which may, if left unrepaired, result in a MUTATION or a block of DNA REPLICATION. These deviations may be caused by physical or chemical agents and occur by natural or unnatural, introduced circumstances. They include the introduction of illegitimate bases during replication or by deamination or other modification of bases; the loss of a base from the DNA backbone leaving an abasic site; single-strand breaks; double strand breaks; and intrastrand (PYRIMIDINE DIMERS) or interstrand crosslinking. Damage can often be repaired (DNA REPAIR). If the damage is extensive, it can induce APOPTOSIS. DNA Injury,DNA Lesion,DNA Lesions,Genotoxic Stress,Stress, Genotoxic,Injury, DNA,DNA Injuries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015162 Micronucleus Tests Induction and quantitative measurement of chromosomal damage leading to the formation of micronuclei (MICRONUCLEI, CHROMOSOME-DEFECTIVE) in cells which have been exposed to genotoxic agents or IONIZING RADIATION. Micronucleus Assays,Assay, Micronucleus,Assays, Micronucleus,Micronucleus Assay,Micronucleus Test,Test, Micronucleus,Tests, Micronucleus
D015430 Weight Gain Increase in BODY WEIGHT over existing weight. Gain, Weight,Gains, Weight,Weight Gains
D016587 Antimutagenic Agents Agents that reduce the frequency or rate of spontaneous or induced mutations independently of the mechanism involved. Anti-Mutagenic Agent,Antimutagen,Antimutagenic Agent,Anti-Mutagenic Agents,Anti-Mutagenic Effect,Anti-Mutagenic Effects,Antimutagenic Effect,Antimutagenic Effects,Antimutagens,Agent, Anti-Mutagenic,Agent, Antimutagenic,Agents, Anti-Mutagenic,Agents, Antimutagenic,Anti Mutagenic Agent,Anti Mutagenic Agents,Anti Mutagenic Effect,Anti Mutagenic Effects,Effect, Anti-Mutagenic,Effect, Antimutagenic,Effects, Anti-Mutagenic,Effects, Antimutagenic

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