Martine Roussel, Ph.D., BaoHan Vo, Ph.D., and Chunliang Li, Ph.D. (IMAGE) St. Jude Children's Research Hospital Caption St. Jude Children's Research Hospital scientists Martine Roussel, Ph.D., BaoHan Vo, Ph.D., and Chunliang Li, Ph.D., used CRISPR gene editing to reveal how a histone writer enzyme plays a role in suppressing as well as driving the most aggressive form of medulloblastoma. 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.