M1 induces sustained axon regeneration (IMAGE) City University of Hong Kong Caption M1 induces sustained axon regeneration that reaches the optic chiasm four weeks after optic nerve crush (below). In vehicle-treated mice, virtually no regenerating axons were observed (top). Credit © Au, N. et al. https://www.pnas.org/doi/10.1073/pnas.2121273119 Usage Restrictions Image must be used with appropriate caption and credit. 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.