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Research

Pseudomonas aeruginosa modulates neutrophil granule exocytosis in an in vitro model of airway infection

A population of neutrophils recruited into cystic fibrosis (CF) airways is associated with proteolytic lung damage, exhibiting high expression of primary granule exocytosis marker CD63 and reduced phagocytic receptor CD16. Causative factors for this population are unknown, limiting intervention. Here we present a laboratory model to characterize responses of differentiated airway epithelium and neutrophils following respiratory infection.

Research

Inhaled corticosteroids to improve lung function in children (aged 6–12 years) who were born very preterm (PICSI): a randomised, double-blind, placebo-controlled trial

Despite the substantial burden of lung disease throughout childhood in children who were born very preterm, there are no evidence-based interventions to improve lung health beyond the neonatal period. We tested the hypothesis that inhaled corticosteroid improves lung function in this population.

Research

Substrate-dependent metabolomic signatures of myeloperoxidase activity in airway epithelial cells: Implications for early cystic fibrosis lung disease

Myeloperoxidase is released by neutrophils in inflamed tissues. MPO oxidizes chloride, bromide, and thiocyanate to produce hypochlorous acid, hypobromous acid, and hypothiocyanous acid, respectively. These oxidants are toxic to pathogens, but may also react with host cells to elicit biological activity and potential toxicity. In cystic fibrosis and related diseases, increased neutrophil inflammation leads to increased airway MPO and airway epithelial cell exposure to its oxidants.

News & Events

Researchers one step closer to preventing asthma in children

Wal-yan Respiratory Research Centre PhD student Niamh Troy has found how OM85 helps babies fight off severe lung infections.

News & Events

Thumbs up from first preterm study participant to use new lung function testing equipment

Natasha, who is a participant in the West Australian Lung Health in Prematurity (WALHIP) study, this week became the first person to receive a lung health assessment using new state-of-the-art lung function testing equipment at Perth Children’s Hospital.

News & Events

Wal-yan Centre welcomes new PhD scholarship awardee

The Wal-yan Respiratory Research Centre this month welcomed new PhD scholarship awardee Yaqin Alziyadat, whose exciting research work will support the Centre’s vision to ensure all children have healthy lungs for life.

News & Events

New guidance aims to transform Indigenous healthcare through cultural safety and partnership

A new paper published in Frontiers in Pediatrics offers clinicians a practical roadmap to improve healthcare outcomes for Indigenous children, starting with respect, communication, and cultural understanding.

News & Events

Perth campaign aims to raise awareness of dangers of a chronic wet cough in Aboriginal children

An intensive health promotion campaign which aims to raise awareness of the dangers of a chronic wet cough in Aboriginal children launched this month in Perth.

Expertise and technologies

The Respiratory Physiology Platform at the Wal-yan Respiratory Research Centre offers access to specialist equipment housed within the outpatient research department at Perth Children’s Hospital, dedicated for research use.