St. Jude Hospital Scientists (IMAGE) St. Jude Children's Research Hospital Caption Scientists at St. Jude Children's Research Hospital have discovered how an immune system protein, called AIM2 (Absent in Melanoma 2), plays a role in determining the aggressiveness of colon cancer. Credit Courtesy of Peter Barta, 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.