Model of Fungal Asthma Sensitization (IMAGE) University of Wisconsin-Madison Caption A model of how fungal Alp1 can damage the lung's protective barrier and generate an overreaction that becomes asthma. Credit Bruce Klein 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.