Understanding Amyotrophic Lateral Sclerosis (VIDEO) St. Jude Children's Research Hospital This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Work led by St. Jude Children's Research Hospital scientists has discovered how mutations that cause amyotrophic lateral sclerosis damage nerve cells. This video shows messenger RNA being transported along a mouse neuron. Researchers linked mutations that cause amyotrophic lateral sclerosis to problems in the transport system. Credit Nael Alami, Ph.D., St. Jude Children's Research Hospital, and Ryan Kerekes, Ph.D., Oak Ridge National Laboratory 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.