Nov 26, 2015

Microbiome and Gluten

Annals of Nutrition & Metabolism
Yolanda Sanz

Abstract

Celiac disease (CD) is a frequent chronic inflammatory enteropathy caused by gluten in genetically predisposed individuals that carry disease susceptibility genes (HLA-DQ2/8). These genes are present in about 30-40% of the general population, but only a small percentage of carriers develops CD. Gluten is the key environmental trigger of CD, but its intake does not fully explain disease onset; indeed, an increased number of cases experience gluten intolerance in late adulthood after many years of gluten exposure. Consequently, additional environmental factors seem to be involved in CD. Epidemiological studies indicate that common perinatal and early postnatal factors influence both CD risk and intestinal microbiota structure. Prospective studies in healthy infants at risk of developing CD also reveal that the HLA-DQ genotype, in conjunction with other environmental factors, influences the microbiota composition. Furthermore, CD patients have imbalances in the intestinal microbiota (dysbiosis), which are not fully normalized despite their adherence to a gluten-free diet. Therefore, it is hypothesized that the disease can promote dysbiosis that aggravates CD pathogenesis, and dysbiosis, in turn, can initiate and sustain inflammati...Continue Reading

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Mentioned in this Paper

Study
Pathogenic Aspects
Pathogenesis
Genes
Informational Intervention
Secalins
Anti-Inflammatory Agents
Human Leukocyte Antigen DQ (Lab Test)
HLA-DQ2 antigen
Chronic Inflammation

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