Potential 'fountain of Youth' Gene Helps Prevent Stroke, Heart Attacks (IMAGE) University of Virginia Health System Caption This is an atherosclerotic lesion. Such lesions can rupture and cause heart attacks and strokes. Credit UVA School of Medicine Usage Restrictions May be used by reporters and webmasters to accompany coverage of the Oct4 gene discovery. 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.