Fig. 1 (IMAGE) Shinshu University Caption Cerebellar granule cells cause cell death in mice lacking all neurexins 1, 2 and 3. The disappearance of cerebellar granule cells causes the cerebellum to atrophy. Credit Takeshi Uemura, Shinshu University Usage Restrictions Credit must be given to the creator. License Original 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.