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Study protocol for Healthy Conversations @ Playgroup: a multi-site cluster randomized controlled trial of an intervention to promote healthy lifestyle behaviours in young children attending community playgroupsEarly childhood is a critical window for preventing obesity and chronic disease. Yet, 1 in 4 Australian children aged 5 years and under are affected by overweight or obesity; and significant proportions of children under 5 years fail to meet guidelines for diet quality, physical activity (PA), screen time, and sleep.
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Sun-health behaviours and attitudes towards sun safety amongst Australian teenagers: a qualitative updateThis study aimed to explore current attitudes towards sun protection, and sun-seeking behaviour among young Australian adolescents. It was done as part of a larger project aiming to develop a digital resource to support young people in making informed sun-health decisions.
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Enhanced Neutralizing Antibody Responses to Rhinovirus C and Age-Dependent Patterns of InfectionRhinovirus (RV) C can cause asymptomatic infection and respiratory illnesses ranging from the common cold to severe wheezing. The aim was to identify how age and other individual-level factors are associated with susceptibility to RV-C illnesses. Longitudinal data from the COAST (Childhood Origins of Asthma) birth cohort study were analyzed to determine relationships between age and RV-C infections. Neutralizing antibodies specific for RV-A and RV-C (three types each) were determined using a novel PCR-based assay.
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One vaccine for life: Lessons from immune ontogenyThere remains a general misconception that the immune status of the fetus and neonate is immature or insufficient. However, emerging research in immune ontogeny prompts reconsideration of this orthodoxy, reframing this period instead as one of unique opportunity. Vaccine responses (qualitative and quantitative) vary between individuals, and across demographic cohorts. Elements of baseline immune status and function predict vaccine response - some of these factors are well described, others remain a subject of ongoing research, especially with the rapidly expanding field of 'omics' research, enabled by development of highly granular immune profiling techniques and increasing computational capacity.
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Retinal differential light sensitivity variation across the macula in healthy subjects: Importance of cone separation and loci eccentricityMicroperimetry measures differential light sensitivity (DLS) at specific retinal locations. The aim of this study is to examine the variation in DLS across the macula and the contribution to this variation of cone distribution metrics and retinal eccentricity.
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Genetic Manipulation of Group A Streptococcus-Gene Deletion by Allelic ReplacementAn optimized, rapid method for creating markerless isogenic mutations that combines Gibson assembly cloning with a new temperature-sensitive plasmid, pLZts
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Evolving Trends of Gastrostomy Insertion Within a Pediatric PopulationNew gastrostomy insertion among children who require long-term enteral feeding support increased over the study period
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Insights into respiratory disease through bioinformaticsHere, we review the basic concepts in bioinformatics and genomic data analysis and illustrate the application of these tools to further our understanding of lung diseases
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Epigenetic dysregulation of naive CD4+ T-cell activation genes in childhood food allergyOur data indicate epigenetic dysregulation in the early stages of signal transduction through the T cell receptor complex, and likely reflects pathways modified by gene-environment interactions in food allergy
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Cellular and molecular mechanisms of vitamin D in food allergyEpidemiological evidence from the past decade suggests a role of vitamin D in food allergy pathogenesis