TY - JOUR T1 - Importance of epithelial mesenchymal transition (EMT) in COPD and asthma JF - Thorax JO - Thorax SP - 768 LP - 768 DO - 10.1136/thoraxjnl-2014-205582 VL - 69 IS - 8 AU - Sukhwinder Singh Sohal AU - Chris Ward AU - Eugene Haydn Walters Y1 - 2014/08/01 UR - http://thorax.bmj.com/content/69/8/768.abstract N2 - We read with interest the recent review article by Bartis et al in Thorax1 and a similar one from some of the same authors in European Respiratory Review,2 addressing the potential importance of epithelial mesenchymal transition (EMT) in lung development and disease. We would like to take issue with the approach used, which is to emphasise ‘molecular patterns’ potentially associated with EMT, rather than starting with any empiric evidence that EMT is present as an active pathological process.EMT has been differentiated into three different types.3 It is a vital process during embryogenesis (type 1 EMT), … ER -