Oxygen study enters uncharted territory (IMAGE) Gladstone Institutes Caption Gladstone Assistant Investigator Isha Jain, PhD, senior author of the new study, discusses the research with first author Kirsten Xuewen Chen. Their findings explain how breathing air with different levels of oxygen affects the creation and degradation of different proteins in the lungs, heart, and brain of mice. Credit Gladstone Institutes 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.