2 (image) NASA/Johnson Space Center Share Print E-Mail Caption NASA Astronaut Jack Fischer works within the Japanese Experiment Module on CASIS PCG 6. CASIS PCG 7 will utilize the orbiting laboratory's microgravity environment to grow larger versions of Leucine-rich repeat kinase 2 (LRRK2), implicated in Parkinson's disease. Credit NASA Usage Restrictions None Share Print E-Mail 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.