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Immune development and intestinal microbiota in celiac disease
Tamara Pozo-Rubio1, Marta Olivares, Esther Nova
1Immunonutrition Research Group, Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition, Spanish National Research Council (ICTAN-CSIC), Calle José Antonio Novais, 10, 28040 Madrid, Spain.
Clinical & Developmental Immunology
|September 26, 2012
Summary
Celiac disease (CD) involves genetics and environmental factors beyond gluten. Early life exposures like diet and infections influence CD risk and gluten tolerance.
Area of Science:
- Immunology
- Gastroenterology
- Genetics
Background:
- Celiac disease (CD) is an immune-mediated enteropathy triggered by gluten in genetically susceptible individuals.
- While HLA-DQ genes are major risk factors, only a fraction of carriers develop CD, indicating other factors are involved.
- Gluten is a primary trigger, but its exposure alone doesn't fully explain CD manifestation.
Purpose of the Study:
- To review the influence of non-gluten environmental factors on celiac disease development.
- To explore the role of early life dietary practices, infections, and gut microbiota in CD risk.
- To discuss potential dietary strategies for inducing or enhancing gluten tolerance.
Main Methods:
- Literature review of epidemiological and clinical data.
- Analysis of genetic predisposition (HLA-DQ genes).
- Examination of environmental influences including diet, infections, and microbiota.
Main Results:
- Genetic factors (HLA-DQ) confer significant risk, but are insufficient alone.
- Early life factors such as feeding practices, infections, and gut microbiota composition are implicated in CD development.
- The interplay between genetics and environment is crucial for understanding CD etiology.
Conclusions:
- Celiac disease development is multifactorial, involving genetic susceptibility and diverse environmental triggers.
- Early life exposures significantly impact the risk of developing celiac disease.
- Further research into dietary interventions may offer strategies to modulate gluten tolerance.
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