Nutritional Genomics and Dietetic Professional Practice

Publication: Canadian Journal of Dietetic Practice and Research
14 November 2008

Abstract

Nutrigenomics is concerned with the role of nutrients in gene expression, and nutrigenetics is the study of how genetic variants or polymorphisms (mutations) can affect responses to nutrients; nutritional genomics is the umbrella term. Nutritional genomics can be expected to revolutionize the way dietitians and other health professionals identify people with chronic diseases and treat those diseases. Understanding the science of nutritional genomics is important to dietitians and other health professionals because major scientific advancements such as this usually have a significant impact on ethics, policy, and practice. Blood lipid profiles are one area in which nutritional genomics has quickly advanced knowledge. New knowledge is available on blood lipid profiles and associated conditions, such as obesity and type 2 diabetes. New technology has also had an impact on policy and practice issues, and ethics is an important issue to consider.

Résumé

La nutrigénomique traite du rôle des nutriments dans l'expression des gènes, tandis que la nutrigénétique étudie la façon donc les variantes génétiques ou les polymorphismes (mutations) peuvent influer sur les réactions aux nutriments; la génomique nutritionnelle est le terme générique. On peut s'attendre à ce que la génomique nutritionnelle transforme radicalement la façon dont les diététistes et les autres professionnels de la santé dépistent et traitent les personnes souffrant de maladies chroniques. Il est important qu'ils comprennent cette science, car les progrès scientifiques de cette envergure ont en général des répercussions considérables sur l’éthique, les politiques et la pratique. Le profil lipidique sanguin est un domaine sur lequel la génomique nutritionnelle a fait rapidement avancer les connaissances. De nouvelles connaissances sont maintenant accessibles sur le profil lipidique sanguin et les conditions qui y sont liées, telles que l'obésité et le diabète de type 2. L'article traite également des questions éthiques et des effets des nouvelles technologies sur les politiques et la pratique.

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Information & Authors

Information

Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 69Number 4December 2008
Pages: 177 - 182

History

Version of record online: 14 November 2008

Authors

Affiliations

Milly Ryan-Harshman, PhD, RD
FEAST Enterprises and Faculties of Science and Health Sciences, University of Ontario Institute of Technology, Oshawa, ON
Ellen Vogel, PhD, RD, FDC
Faculty of Health Sciences, University of Ontario Institute of Technology, Oshawa, ON
Holly Jones-Taggart, PhD
Faculties of Science and Health Sciences, University of Ontario Institute of Technology, Oshawa, ON
Julia Green-Johnson, PhD
Faculty of Science, University of Ontario Institute of Technology, Oshawa, ON
David Castle, PhD
Department of Philosophy, University of Ottawa, Ottawa, ON
Zubin Austin, PhD
Faculty of Pharmacy, University of Toronto, Toronto, ON
Kristin Anderson, PhD
Policy Analyst, Manitoba Health, Winnipeg, MB

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