Microscopic Views of Lung Tissue (IMAGE) Tokyo Medical and Dental University Caption Control mice (left panel) or basophil-depleted mice (right panel) were intranasally treated once with porcine pancreatic elastase to elicit emphysema. Credit Department of Immune Regulation,TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.