Yong Cheng, Ph.D., (IMAGE) St. Jude Children's Research Hospital Caption Corresponding author Yong Cheng, Ph.D., of the St. Jude Departments of Hematology and Computational Biology, helped develop a highly efficient method in identifying the genetic switches that regulate gene expression. Credit St. Jude Children's Research Hospital Usage Restrictions None License Licensed 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.