(IMAGE) Tokyo Medical and Dental University Caption The diagram was divided by dot line into two parts: the left side represents the normal situation, and the right side represents the Il33- or Il1rl1-deficient situation. mST2 membrane form of ST2, sST2 soluble form of ST2, GT gingival tissue, PRT peri-root tissue, BT bone tissue. Credit Faculty of Dentistry, TMDU 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.