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Mapping Lung Hematopoietic Progenitors: Developmental Kinetics and Response to Influenza A InfectionThe bone marrow is a specialised niche responsible for the maintenance of hematopoietic stem and progenitor cells during homeostasis and inflammation. Recent studies however have extended this essential role to the extramedullary and extravascular lung microenvironment. Here, we provide further evidence for a reservoir of hematopoietic stem and progenitor cells within the lung from embryonic day 18.5 until adulthood.
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Vitamin A and bronchopulmonary dysplasia: the next stepsPreterm infants are often vitamin A deficient, and vitamin A has functions that could mitigate the processes that lead to bronchopulmonary dysplasia. Therefore, supplementation of preterm infants with vitamin A to reduce the risk of bronchopulmonary dysplasia makes inherent sense.
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Determinants of lung function development from birth to age 5 years: an interrupted time series analysis of a South African birth cohortEarly life is a key period that determines long-term health. Lung development in childhood predicts lung function attained in adulthood and morbidity and mortality across the life course. We aimed to assess the effect of early-life lower respiratory tract infection (LRTI) and associated risk factors on lung development from birth to school age in a South African birth cohort.
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Clinical predictors of hypoxic pneumonia in children from the Eastern Highlands Province, Papua New Guinea: secondary analysis of two prospective observational studiesPneumonia is the leading cause of death in young children globally and is prevalent in the Papua New Guinea highlands. We investigated clinical predictors of hypoxic pneumonia to inform local treatment guidelines in this resource-limited setting.
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How climate change degrades child health: A systematic review and meta-analysisChildren are more vulnerable than adults to climate-related health threats, but reviews examining how climate change affects human health have been mainly descriptive and lack an assessment of the magnitude of health effects children face. This is the first systematic review and meta-analysis that identifies which climate-health relationships pose the greatest threats to children.
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Signal-correction errors in the EasyOne Pro LAB multiple-breath washout device significantly impact outcomes in children and adultsMultiple-breath washout (MBW) is an established technique to assess functional residual capacity (FRC) and ventilation inhomogeneity in the lung. Indirect calculation of nitrogen concentration requires accurate measurement of gas concentrations.
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Physical Activity-Related Practices and Psychosocial Factors of Childcare Educators: A Latent Profile AnalysisLimited research investigates early childhood education and care (ECEC) educators' involvement in promoting physical activity. The aim was to identify distinct profiles based on physical activity-related practices and psychosocial factors in ECEC educators and examine how they relate to the amount of time allocated to children's physical activity. A secondary analysis of educator-reported survey data from the Play Active study was undertaken.
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Screen Time and Parent-Child Talk When Children Are Aged 12 to 36 MonthsGrowing up in a language-rich home environment is important for children's language development in the early years. The concept of "technoference" (technology-based interference) suggests that screen time may be interfering with opportunities for talk and interactions between parent and child; however, limited longitudinal evidence exists exploring this association.
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Role of antenatal maternal dietNutrition is a modifiable lifestyle factor that may play a role in allergic disease prevention. This article summarizes current evidence on the antenatal diet as a consideration for strategies to prevent child food allergy. As eczema in early infancy substantially increases the risk of food allergy development, the effects of maternal dietary intakes during pregnancy on infant eczema outcomes will also be discussed.
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Genome-Wide Analyses of Vocabulary Size in Infancy and Toddlerhood: Associations With Attention-Deficit/Hyperactivity Disorder, Literacy, and Cognition-Related TraitsThe number of words children produce (expressive vocabulary) and understand (receptive vocabulary) changes rapidly during early development, partially due to genetic factors. Here, we performed a meta-genome-wide association study of vocabulary acquisition and investigated polygenic overlap with literacy, cognition, developmental phenotypes, and neurodevelopmental conditions, including attention-deficit/hyperactivity disorder.