Polonnen Mullighan (IMAGE) St. Jude Children's Research Hospital Caption Published today in Nature, Charles Mullighan, MD, Department of Pathology and first author Petri Polonen, PhD, demonstrated that genetic changes in non-coding regions of DNA play a crucial role T-ALL. Credit St. Jude Children's Research Hospital Usage Restrictions no cropping if possible 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.