Candidate Genes Involved in Beneficial or Adverse Responses to Commonly Eaten Brassica Vegetables in a New Zealand Crohn’s Disease Cohort
2013
Laing, Bobbi | Han, Dug Yeo | Ferguson, Lynnette R.
Crohn’s disease (CD) is one of the two manifestations of inflammatory bowel disease. Particular foods are thought with CD to exacerbate their illness. Vegetables, especially Brassicaceae, are often shunned by people with CD because of the negative effects they are alleged to have on their symptoms. Brassicaceae supply key nutrients which are necessary to meet recommended daily intakes. We sought to identify the candidate genes involved in the beneficial or adverse effects of Brassicaceae most commonly eaten, as reported by the New Zealand adults from the “Genes and Diet in Inflammatory Bowel disease Study” based in Auckland. An analysis of associations between the single nucleotide polymorphisms (SNPs) and the beneficial or adverse effects of the ten most commonly eaten Brassicaceae was carried out. A total of 37 SNPs were significantly associated with beneficial effects (p = 0.00097 to 0.0497) and 64 SNPs were identified with adverse effects (p = 0.0000751 to 0.049). After correcting for multiple testing, rs7515322 (DIO1) and rs9469220 (HLA) remained significant. Our findings show that the tolerance of some varieties of Brassicaceae may be shown by analysis of a person’s genotype.
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