Proteins in lungs (IMAGE) DOE/Pacific Northwest National Laboratory Caption The study identified and measured 8,938 proteins, providing a comprehensive view of the proteins expressed during the development of the lung. Credit Illustration by Stephanie King and Geremy Clair | Pacific Northwest National Laboratory Usage Restrictions None License Original 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.