Honnell and Norrie (IMAGE) St. Jude Children's Research Hospital Caption St. Jude scientist Jackie Norrie, PhD, and St. Jude graduate student Victoria Honnell were part of a team that identified distinct functions for regions of a super-enhancer that controls gene expression during retina formation. Credit St. Jude Children's Research Hospital Usage Restrictions n/a 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.