Nutrigenetics and Nutrigenomics


Nutrients interact with the human genome to modulate molecular pathways that may become disrupted, resulting in an increased risk of developing various chronic diseases. Genetic polymorphisms affect the metabolism of dietary factors, which in turn affects the expression of genes involved in a number of important metabolic processes. Genetic polymorphisms affecting nutrient metabolism may explain some of the inconsistencies among epidemiological studies relating diet to chronic diseases such as cancer, diabetes, rheumatoid arthritis, osteoporosis and cardiovascular disease.

Nutrigenomics (also known as nutritional genomics) is broadly defined as the relationship between nutrients, diet, and gene expression. The launch of the Human Genome Project in the 1990s and the subsequent mapping of human DNA sequencing ushered in the ‘era of big science’, jump-starting the field of nutrigenomics that we know today.


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