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Lipidomics and Metabolomics in Infant Atopic Dermatitis: What's the Correlation with Early Nutrition?
Angelica Dessì1, Camilla Di Maria1, Roberta Pintus1
1Department of Surgical Sciences, University of Cagliari and Neonatal Intensive Care Unit, AOU Cagliari, Cagliari, Italy.
Insights
New research suggests environmental factors, especially nutrition, significantly impact atopic dermatitis (AD) in children. Early interventions targeting gut microbiota and skin barrier may improve management of this common allergic condition.
Area of Science:
- Pediatric Allergy and Immunology
- Dermatology
- Nutritional Science
Background:
- Atopic dermatitis (AD) affects 20% of children, often persisting into adulthood, causing significant quality of life issues and healthcare costs.
- Current understanding of AD pathogenesis is incomplete, necessitating exploration of environmental and metabolic factors.
- Recent evidence highlights nutrition's role in early development and AD, questioning traditional dietary interventions.
Purpose of the Study:
- To explore the complex metabolic network underlying atopic dermatitis (AD) using metabolomics and lipidomics.
- To investigate the influence of environmental factors, particularly nutrition and gut microbiota, on AD development.
- To identify potential early intervention strategies for AD based on allergic phenotypes and immune responses.
Main Methods:
- Utilizing metabolomics and lipidomics to analyze metabolic alterations in children with AD.
- Correlating metabolic changes with the composition of the intestinal microbiota.
- Examining skin barrier alterations through preliminary lipidomic studies.
Main Results:
- Identified significant alterations in metabolic profiles of children with AD, linked to gut microbiota.
- Preliminary lipidomic data suggest skin barrier integrity is crucial and can be studied for product development.
- New insights challenge the efficacy of elimination diets and chrono-insertions, favoring breastfeeding for high-risk infants.
Conclusions:
- Metabolomics and lipidomics offer valuable tools for understanding AD's metabolic basis.
- Early intervention focusing on gut dysbiosis is crucial for regulating immune responses in developing children.
- Further research into allergic phenotypes and environmental impacts can refine AD management and prevention strategies.
Abstract:
To date, the complex picture of atopic dermatitis (AD) has not yet been fully clarified, despite the important prevalence of this disease in the pediatric population (20%) and the possibility of persistence into adulthood, with important implications for the quality of life of those affected, as well as significant social and financial costs. The most recent scientific evidence suggests a new interpretation of AD, highlighting the important role of the environment, particularly that of nutrition in the early stages of development. In fact, the new indications seem to point out the harmful effect of elimination diets, except in rare cases, the uselessness of chrono-insertions during complementary feeding and some benefits, albeit weak, of breastfeeding in those at greater risk. In this context, metabolomics and lipidomics can be necessary for a more in-depth knowledge of the complex metabolic network underlying this pathology. In fact, an alteration of the metabolic contents in children with AD has been highlighted, especially in correlation to the intestinal microbiota. While preliminary lipidomic studies showed the usefulness of a more in-depth knowledge of the alterations of the skin barrier to improve the development of baby skin care products. Therefore, investigating the response of different allergic phenotypes could be useful for better patient management and understanding, thus providing an early intervention on dysbiosis necessary to regulate the immune response from the earliest stages of development.
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