Fig. 2 (IMAGE) Osaka University Caption Effect of RTN4R-mutants on growth cone collapse (a) Representative images of growth cone in chick retinal cells cultured in the presence of the RNT4R ligand RTN4. (b) Quantitative analysis of growth cone collapse. Chick dissociated retinal neurons transfected with the indicated plasmids encoding EGFP-RTN4R WT or mutants were cultured in the presence or absence of RTN4. **P<0.01, *P<0.05. Credit Osaka university 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.