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High risk for virus-induced asthma exacerbations in children is associated with an IRF7lo immunophenotype, but the underlying mechanisms are unclear. Here, we applied a Systems Biology approach to an animal model comprising rat strains manifesting high versus low susceptibility to experimental asthma, induced by virus/allergen coexposure, to elucidate the mechanism(s)-of-action of the high-risk asthma immunophenotype.
The gut microbiota is influenced by environmental factors such as food. Maternal diet during pregnancy modifies the gut microbiota composition and function, leading to the production of specific compounds that are transferred to the fetus and enhance the ontogeny and maturation of the immune system. Prebiotics are fermented by gut bacteria, leading to the release of short-chain fatty acids that can specifically interact with the immune system, inducing a switch toward tolerogenic populations and therefore conferring health benefits.
Incomplete maturation of immune regulatory functions at birth is antecedent to the heightened risk for severe respiratory infections during infancy. Our forerunner animal model studies demonstrated that maternal treatment with the microbial-derived immune training agent OM-85 during pregnancy promotes accelerated postnatal maturation of mechanisms that regulate inflammatory processes in the offspring airways.
There is now considerable evidence demonstrating that both prenatal and postnatal exposure to particular classes of microbial stimuli can provide beneficial signals during early life immune development, resulting in the protection against future inflammatory disease.
The Pregnancy and Early Life Immunology team's overall research vision is targeted towards understanding immunological development during early life.
This study aims to investigate the cellular and molecular profiles of the immune system in infants at high/low risk for Autism, as determined through clinical assessment.
We are studying immune cells from identical twins of which one suffers and one does not suffer from allergic disease to identify specific mechanisms that may play important roles in disease development.
This study is designed to identify the specific unique immune cell response that occurs in these children with recurrent disease.
Studies in Europe show exposure of pregnant women to high levels of microbial products stimulate immune function maturation in their offspring
The study aims to identify the mechanism for this so that this knowledge can be used to better treat asthma and allergies in both males and females.