Genetic Mutation for ALS Discovered (VIDEO) University of Western Ontario This video is under embargo. Please login to access this video. Caption Researchers at Western University in London, Canada, have identified a new genetic mutation for amyotrophic lateral sclerosis (ALS), opening the door to future targeted therapies. Dr. Michael Strong and colleagues found that mutations within the ARHGEF28 gene are present in ALS. Credit Western 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.