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Adipose tissue in the small airways: How much is enough to drive functional changes?

Obesity is a contributing factor to asthma severity; while it has long been understood that obesity is related to greater asthma burden, the mechanisms though which this occurs have not been fully elucidated. One common explanation is that obesity mechanically reduces lung volume through accumulation of adipose tissue external to the thoracic cavity.

The respiratory health effects of acute in vivo diesel and biodiesel exhaust in a mouse model

Biodiesel, a renewable diesel fuel that can be created from almost any natural fat or oil, is promoted as a greener and healthier alternative to commercial mineral diesel without the supporting experimental data to back these claims. The aim of this research was to assess the health effects of acute exposure to two types of biodiesel exhaust, or mineral diesel exhaust or air as a control in mice.

Confounding effects of gavage in mice: Impaired respiratory structure and function

It is therefore clear that gavage can have significant impacts on experimental animals in terms of their stress response and overall morbidity and mortality

Mechanical Abnormalities of the Airway Wall in Adult Mice After Intrauterine Growth Restriction

We propose that mechanical abnormalities of the airway wall acquired through disrupted fetal growth impact susceptibility to disease

Nicotine and other potentially harmful compounds in "nicotine-free" e-cigarette liquids in Australia

The aim of our investigation was to assess the chemical composition of a range of e-liquids available in Australia, focusing on nicotine and other potentially harmful compounds

Effects of human rhinovirus on epithelial barrier integrity and function in children with asthma

This study demonstrates novel intrinsic differences in tight junctions gene and protein expression between airway epithelial cells of children with and without asthma

Visualisation of Multiple Tight Junctional Complexes in Human Airway Epithelial Cells

Apically located tight junctions in airway epithelium perform a fundamental role in controlling macromolecule migration through paracellular spaces.

Increased heterogeneity of airway calibre in adult rats after hypoxia-induced intrauterine growth restriction

The rat model demonstrates that intrauterine growth restriction leads to a more heterogeneous distribution of airway lumen calibre in adulthood

Vitamin D supplementation of initially vitamin D-deficient mice diminishes lung inflammation with limited effects on pulmonary epithelial integrity

In disease settings, vitamin D may be important for maintaining optimal lung epithelial integrity and suppressing inflammation, but less is known of its effects prior to disease onset.

Effect of human rhinovirus infection on airway epithelium tight junction protein disassembly and transepithelial permeability

HRV-1B infection directly alters human airway epithelial TJ expression leading to increased epithelial permeability potentially via antiviral response of IL-15