Table of contents

Research letters

• Tumour-associated neutrophils and loss of epithelial PTEN can promote corticosteroid-insensitive MMP-9 expression in the chronically inflamed lung microenvironment (15 February, 2017)

  Amanda Vannitamby, Huei Jiunn Seow, Gary Anderson, Ross Vlahos, Michelle Thompson, Daniel Steinfort, Louis B Irving, Steven Bozinovski
• The interaction between bronchoconstriction and cough in asthma (24 February, 2017)

  Imran Satia, Huda Badri, Mark Woodhead, Paul M O'Byrne, Stephen J Fowler, Jaclyn A Smith
• The effect of different radiological models on diagnostic accuracy and lung cancer screening performance (22 March, 2017)

  Henry M Marshall, Henry Zhao, Rayleen V Bowman, Linda H Passmore, Elizabeth M McCaul, Ian A Yang, Kwun M Fong
• Chronic breathlessness associated with poorer physical and mental health-related quality of life (SF-12) across all adult age groups (29 March, 2017)

  D C Currow, E Dal Grande, D Ferreira, M J Johnson, N McCaffrey, M Ekström