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ACE2 expression is elevated in airway epithelial cells from older and male healthy individuals but reduced in asthma

COVID-19 is complicated by acute lung injury, and death in some individuals. It is caused by SARS-CoV-2 that requires the ACE2 receptor and serine proteases to enter AEC. We determined what factors are associated with ACE2 expression particularly in patients with asthma and COPD. We obtained lower AEC from 145 people from two independent cohorts, aged 2-89 years, Newcastle (n = 115) and Perth (n = 30), Australia. The Newcastle cohort was enriched with people with asthma (n = 37) and COPD (n = 38). Gene expression for ACE2 and other genes potentially associated with SARS-CoV-2 cell entry was assessed by qPCR, and protein expression was confirmed with immunohistochemistry on endobronchial biopsies and cultured AEC.

Decoding Susceptibility to Respiratory Viral Infections and Asthma Inception in Children

Human Respiratory Syncytial Virus and Human Rhinovirus are the most frequent cause of respiratory tract infections in infants and children and are major triggers of acute viral bronchiolitis, wheezing and asthma exacerbations.

Whole-cell pertussis vaccine in early infancy for the prevention of allergy

This is a protocol for a Cochrane Review (intervention). The objectives were to assess the efficacy and safety of whole‐cell pertussis (wP) vaccinations in comparison to acellular pertussis (aP) vaccinations in early infancy for the prevention of atopic diseases in children.

Vitamin D receptor polymorphisms are associated with severity of wheezing illnesses and asthma exacerbations in children

These findings suggest that genetic variants at the VDR locus may play a role in acute wheeze/asthma severity in children

Blocking Notch3 Signaling Abolishes MUC5AC Production in Airway Epithelial Cells from Asthmatics

We demonstrate that NOTCH3 is a regulator of MUC5AC production

Research reveals new link between Vitamin D, lung bacteria and asthma

A The Kids for Child Health Research study has uncovered a new link between vitamin D levels and asthma.

Call for mental health support for kids with asthma

A new study has found that young children with severe or persistent asthma are at higher risk of developing many common mental health problems.

Volunteers needed for world-first trial to prevent asthma

Australian scientists have today launched a world first research trial into a treatment that could prevent asthma in high risk children.

Chance to prevent asthma missed

Two Australian scientists are spearheading an international campaign that's challenging the way asthma drugs are developed and tested.

Multi-centre, multi-disciplinary study using a systems biology approach to investigate immunomodulation in children with acute wheeze

Ingrid Pat Laing Holt BSc PhD PhD, DSc, FRCPath, FRCPI, FAA Head, Children's Respiratory Science Emeritus Honorary Researcher 6319 1828 Ingrid.laing@