Overexposing ANT2 Gene Counters Cigarette Smoke Damage (IMAGE) American Society for Cell Biology Caption ANT2 maintains normal cell morphology of human bronchial epithelial cells after 40% cigarette smoke extract after 24 hours. Credit Corinne Kliment & Douglas Robinson, John Hopkins University 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.