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Fecal sample collection methods and time of day impact microbiome composition and short chain fatty acid concentrationsAssociations between the human gut microbiome and health outcomes continues to be of great interest, although fecal sample collection methods which impact microbiome studies are sometimes neglected. Here, we expand on previous work in sample optimization, to promote high quality microbiome data. To compare fecal sample collection methods, amplicons from the bacterial 16S rRNA gene (V4) and fungal (ITS2) region, as well as short chain fatty acid (SCFA) concentrations were determined in fecal material over three timepoints.
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Longitudinal egg-specific regulatory T- and B-cell development: Insights from primary prevention clinical trials examining the timing of egg introductionEgg allergy affects almost 1 in 10 Australian infants. Early egg introduction has been associated with a reduced risk in developing egg allergy; however, the immune mechanisms underlying this protection remain unclear.
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High-Fiber Diet during Pregnancy Characterized by More Fruit and Vegetable ConsumptionHigh-Fiber Diet during Pregnancy Characterized by More Fruit and Vegetable ConsumptionHigher dietary fiber intakes during pregnancy may have the potential health benefits of increasing gut microbiome diversity, lowering the risk of glucose intolerance and pre-eclampsia, achieving appropriate gestational weight gain, and preventing constipation. In this observational cohort study, we have assessed the dietary fiber intakes of 804 women in late pregnancy, using a semi-quantitative food frequency questionnaire (SQ-FFQ). Overall, the median (interquartile range) dietary fiber intake was 24.1 (19.0-29.7) grams per day (g/day). Only 237/804 (29.5%) women met the recommended Adequate Intake (AI) of dietary fiber during pregnancy of 28 g/day.
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Feasibility and safety of introducing cashew nut spread in infant diets-A randomized trialTo reduce peanut allergy prevalence, infant feeding guidelines now recommend introducing peanuts in an age-appropriate form (such as peanut butter) as part of complementary feeding. However, due to a lack of randomized trial evidence, most infant feeding and food allergy prevention guidelines do not include tree nuts. The aims of this trial were to determine safety and feasibility of dosage consumption recommendations for infant cashew nut spread introduction.
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Changes to the Gut Microbiome in Young Children Showing Early Behavioral Signs of AutismThe human gut microbiome has increasingly been associated with autism spectrum disorder (ASD), which is a neurological developmental disorder, characterized by impairments to social interaction.
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PrEggNut Study: protocol for a randomised controlled trial investigating the effect of a maternal diet rich in eggs and peanuts from <23 weeks' gestation during pregnancy to 4 months' lactation on infant IgE-mediated egg and peanut allergy outcomesClinical studies supported by immunological data indicate early life intervention strategies to be promising in reducing the growing global burden of food allergies. The events that predispose to food allergy, including the induction of allergen-specific immune responses, appear to be initiated early in development.
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Pre-and Postnatal Vitamin D Status and Allergy Outcomes in Early ChildhoodThe dramatic increase in the prevalence of allergic disease in recent decades reflects environmental and behavioural changes that have altered patterns of early immune development. The very early onset of allergic diseases points to the specific vulnerability of the developing immune system to environmental changes and the development of primary intervention strategies is crucial to address this unparalleled burden.
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Circulating Epithelial Cell Cytokines Are Associated With Early-Onset Atopic DermatitisDebbie Susan Palmer Prescott BSc BND PhD MBBS BMedSci PhD FRACP Head, Nutrition in Early Life Honorary Research Fellow debbie.palmer@uwa.edu.au
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Food Proteins in Human Breast Milk and Probability of IgE-Mediated Allergic Reaction in Children During Breastfeeding: A Systematic ReviewPrevious reports suggested that food proteins present in human milk (HM) may trigger symptoms in allergic children during breastfeeding, but existing evidence has never been reviewed systematically.
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Higher maternal bread and thiamine intakes are associated with increased infant allergic diseaseA mother's diet during pregnancy may influence her infant's immune development. However, as potential interactions between components of our dietary intakes can make any nutritional analysis complex, here we took a multi-component dietary analysis approach.