Mass General Brigham Jul 17 2025 Guoping Li, PhD, of the Department of Anesthesia, Critical Care & Pain Medicine at Massachusetts General Hospital, is the lead author and Saumya Das, MD, PhD, of the Cardiovascular Research Center at Massachusetts General Hospital, is the senior author of a paper published in Science, A hypoxia-responsive tRNA-derived small RNA confers renal protection via RNA autophagy. Q: How would you summarize your study for a lay audience? Cells contain helper molecules