A Role of Protocadherin (IMAGE) Research Organization of Information and Systems Caption Repulsive forces-mediated by protocadherins promote cell migration and axon ourgrowth of abducens motor neurons (left) . Loss of the rupulsive forces leads to clumping phenotype (right). Credit ©Kazuhide Asakawa 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.