Summary

The integration of biology, genomics, and health has opened the possibility of applying genomics technology to nutrition. In 2001, scientists associated with the Human Genome Project announced the successful mapping of the reference sequence of the human genome. The implications of this achievement to science have been enormous. Since then, a body of information has emerged, including genetic and genomic sequence data, further evidence of nutrient-gene and gene-environment interactions, and the gene expression patterns associated with many chronic diseases. The utility of this information cannot be underestimated. Genomics and related areas of research have contributed greatly to efforts to understand the cellular and molecular mechanisms underlying diet-disease relationships.

Integration and application of genetic and genomics technology into nutrition research is, therefore, needed to develop nutrition research programs that are aimed at the prevention and control of chronic disease through genomics-based nutritional interventions. Of interest is the integration of relevant computational methods into nutritional genomics research; the enhancement of tools applicable to systems biology; and the effective dissemination of genomics-derived information to scientists, policy makers, and the interested public. In short, new knowledge, produced from the interface of genetics, genomics, and nutrition science, is key to further developing research to characterize genetic susceptibility to diet-related chronic diseases and molecular responses to dietary factors.



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Nutrigenomics and Beyond: Informing the Future - Workshop Summary Summary The integration of biology, genomics, and health has opened the possibility of applying genomics technology to nutrition. In 2001, scientists associated with the Human Genome Project announced the successful mapping of the reference sequence of the human genome. The implications of this achievement to science have been enormous. Since then, a body of information has emerged, including genetic and genomic sequence data, further evidence of nutrient-gene and gene-environment interactions, and the gene expression patterns associated with many chronic diseases. The utility of this information cannot be underestimated. Genomics and related areas of research have contributed greatly to efforts to understand the cellular and molecular mechanisms underlying diet-disease relationships. Integration and application of genetic and genomics technology into nutrition research is, therefore, needed to develop nutrition research programs that are aimed at the prevention and control of chronic disease through genomics-based nutritional interventions. Of interest is the integration of relevant computational methods into nutritional genomics research; the enhancement of tools applicable to systems biology; and the effective dissemination of genomics-derived information to scientists, policy makers, and the interested public. In short, new knowledge, produced from the interface of genetics, genomics, and nutrition science, is key to further developing research to characterize genetic susceptibility to diet-related chronic diseases and molecular responses to dietary factors.

OCR for page 1
Nutrigenomics and Beyond: Informing the Future - Workshop Summary To address these issues, a workshop was held on June 1 and 2, 2006, at the National Academy of Sciences. The workshop included a keynote presentation to provide policy context and challenges, and presentations that were structured around three focus sessions: human genetic variation, epigenetics, and systems biology (see Chapters 1 to 3, respectively). A fourth session (Chapter 4) presented discussions on the implications of nutrigenomics for the future of nutrition science research. The workshop agenda is contained in Appendix A, and Appendix B lists the names and affiliations of the workshop presenters. Numerous themes emerged from the workshop presentations. First, nutrigenomics is a complex field because it addresses issues related to multigenetic traits that can be modified by a number of nutritional and other environmental factors. For example, more than 25,000 bioactive food components have been identified, although their modes of interaction and duration of activity are among many questions about these compounds that are still unanswered. Such complexity presents a challenge to the field; and the ensuing research opportunities will require cooperative work among scientific disciplines and across government, academic, and industrial centers, as well as adequate funding, to be realized. Additionally, the ability to stretch the limits of conventional research methodologies afforded by new genetic and genomic applications at the level of the individual opens the door to a wealth of potential benefits to areas such as disease prevention and wellness, bearing in mind the necessity of ethical safeguards. This potential, however, must be wisely exploited to avoid the pitfalls of overpromising research results and prematurely setting unrealistic expectations for beneficial outcomes. Finally, careful and rigorous research must be employed to optimize outcomes and assure acceptance by the scientific community. In summary, nutrition science is uniquely poised to serve as the crossroads for many disciplines and, using genomics tools, can bring this knowledge together to better understand and address diet-related chronic diseases and molecular responses to dietary factors.