To the Membrane! (IMAGE) Brown University Caption Normally, when there is an insult to the lung -- dust, smoke -- lung tissue traffics a protein to the cell membrane to keep cells alive. In normal mice, left, that's apparent within 50 minutes; in mice with the Hermanksy-Pudlak-1 mutation, right, it's not. Credit Elias Lab/Brown University Usage Restrictions with credit 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.