Effects of Gpx4 on cells in cold cultures (IMAGE) Hokkaido University Caption Syrian hamster cell cultures survive in cold conditions at 4°C (left). Human cell cultures typically exhibit cell death in cold conditions (middle), but when Gpx4 is overexpressed by cells in the culture, cell death rate drops drastically (right). (Photo provided by Masamitsu Sone) Credit Masamitsu Sone Usage Restrictions This image is copyrighted but may be used to report on this press release as long as the copyright holder is credited. 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.