Hongbo Chi (IMAGE) St. Jude Children's Research Hospital Caption In the lab of Hongbo Chi, PhD (right), Hao Shi, PhD, and Nicole Chapman, PhD discovered a possible way to manage immune responses. 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.