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Reduced socs1 expression in lung fibroblasts from patients with ipf is not mediated by promoter methylation or mir155

The interleukin (IL)-6 family of cytokines and exaggerated signal transducer and activator of transcription (STAT)3 signaling is implicated in idiopathic pulmonary fibrosis (IPF) pathogenesis, but the mechanisms regulating STAT3 expression and function are unknown. Suppressor of cytokine signaling (SOCS)1 and SOCS3 block STAT3, and low SOCS1 levels have been reported in IPF fibroblasts and shown to facilitate collagen production. Fibroblasts and lung tissue from IPF patients and controls were used to examine the mechanisms underlying SOCS1 down-regulation in IPF.

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.

Determinants of culture success in an airway epithelium sampling program of young children with cystic fibrosis

Determinants of culture success through retrospective analysis of a program of routinely brushing children with Cystic Fibrosis airway disease

Route of exposure alters inflammation and lung function responses to diesel exhaust

In this study, we compared the physiological consequences of short-term exposure to diesel exhaust via inhalation to those due to exposure to the same diesel...

Rhinovirus exacerbates house-dust-mite induced lung disease in adult mice

In this study, we combined human-rhinovirus infection with a clinically relevant mouse model of aero-allergen exposure using house-dust-mite in an attempt to...

Transcription factor p63 regulates key genes and wound repair in human airway epithelial Basal cells

The airway epithelium in asthma displays altered repair and incomplete barrier formation.

Suppression of adrenomedullin contributes to vascular leakage and altered epithelial repair during asthma

The anti-inflammatory peptide, adrenomedullin (AM), and its cognate receptor are expressed in lung tissue, but its pathophysiological significance in airway...

The airway epithelium is a direct source of matrix degrading enzymes in bronchiolitis obliterans syndrome

Long-term survival after lung transplantation is hindered by the development of bronchiolitis obliterans syndrome (BOS).

Bronchial brushings for investigating airway inflammation and remodelling

Asthma is the commonest medical cause for hospital admission for children in Australia, affects more than 300 million people worldwide, and is incurable...

Stability of interleukin 8 and neutrophil elastase in bronchoalveolar lavage fluid following long-term storage

Interleukin-8 (IL-8) and neutrophil elastase (NE) are commonly measured markers of inflammation in bronchoalveolar lavage (BAL) fluid from patients with cystic