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        Research

        Mapping Lung Hematopoietic Progenitors: Developmental Kinetics and Response to Influenza A Infection

        The 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. ...

        Research

        Dysregulated Notch Signaling in the Airway Epithelium of Children with Wheeze

        The airway epithelium of children with wheeze is characterized by defective repair that contributes to disease pathobiology. Dysregulation of developmental processes controlled by Notch has been identified in chronic asthma. However, its role in airway epithelial cells of young children with wheeze, particularly during repair, is yet to be determined. ...

        Research

        Protection against neonatal respiratory viral infection via maternal treatment during pregnancy with the benign immune training agent OM-85

        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. ...

        Research

        Transplacental Innate Immune Training via Maternal Microbial Exposure: Role of XBP1-ERN1 Axis in Dendritic Cell Precursor Programming

        We recently reported that offspring of mice treated during pregnancy with the microbial-derived immunomodulator OM-85 manifest striking resistance to allergic airways inflammation, and localized the potential treatment target to fetal conventional dendritic cell (cDC) progenitors. Here, we profile maternal OM-85 treatment-associated transcriptomic signatures in fetal bone marrow, and identify a series of immunometabolic pathways which provide essential metabolites for accelerated myelopoiesis. ...

        Research

        Factors Associated with Respiratory Illness in Children and Young Adults with Cerebral Palsy

        Oromotor dysfunction is strongly associated with respiratory illness in patients with cerebral palsy ...

        Research

        House dust mite induced lung inflammation does not alter circulating vitamin D levels

        We hypothesized that allergic inflammation decreases the level of circulating 25(OH)D and tested this using a mice model of house dust mite (HDM) induced... ...

        Research

        Nasal airway epithelial repair after very preterm birth

        Nasal epithelial cells from very preterm infants have a functional defect in their ability to repair beyond the first year of life, and failed repair may be associated with antenatal steroid exposure. ...

        Research

        Preterm Paediatric Inhaled Corticosteroids Intervention (PICSI)

        Understanding if ongoing inflammation in the lungs contributes to the poor lung health experienced by some children who were born preterm. ...

        Research

        UV exposure and protection against allergic airways disease

        Asthma is a chronic inflammatory disease of the small and large conducting airway mucosa characterised by Th2 cell immunity. ...

        People

        Deborah Strickland

        Program Head, Immunobiology and Immunotherapeutic Program ...

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