IN A NUTSHELL 🐭 Chinese scientists have reactivated a genetic switch in mice, enabling the regeneration of complex tissues. 🧬 The study focuses on the role of retinoic acid and the ALDH1A2 gene in tissue healing. 🔬 Researchers successfully used genetic enhancements to allow mice to produce their own retinoic acid, leading to full tissue … Continue reading “Ancient Gene Switch Flipped”: Scientists Restore Limb Regeneration in Mice Using Dormant DNA Once Thought Lost Forever