Journal
JOURNAL OF NUTRITION
Volume 135, Issue 11, Pages 2694-2697Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jn/135.11.2694
Keywords
nutrigenomics; nutrigenetics; epigenetics; proteomics; metabolomics
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Evidence continues to implicate dietary components and genetic susceptibilities as important determinants of cancer risk and tumor behavior. Variation in cancer incidence among and within populations with similar dietary patterns suggests that an individual's response may reflect interactions with genetic factors, which may modify gene, protein, and metabolite expression patterns. Nutrigenomics, defined as the interaction between nutrition and an individual's genome, will likely provide important clues about responders and norresponders. In this symposium, the role of bioactive food components in colon cancer susceptibility was used to exemplify the application of omic technologies for cancer prevention. Topics that were addressed included dietary changes and gene polymorphisms (nutrigenetics), DNA methylation (nutritional epigenomics), gene expression (nutritional transcriptomics), altered formation or bioactivation of proteins (proteomics), and characterizing how the quantity and timing of exposure influence small molecular weight cellular constituents (metabolomics). The final presentation focused on exfoliated cells as a surrogate sample for the evaluation of bioactive food components in cancer prevention. The goal of the symposium was to provide an example of each of the omic technologies as they relate to nutrition, cancer risk, and tumor behavior, and to help the participants understand that an integrated framework that simultaneously examines all of the omic technologies is needed.
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