Thomas Simmen (left) and Yohannes Haile are co-authors of a study pinpointing a possible culprit for multiple sclerosis. Their research opens new avenues for treating the debilitating disease.

In the relentless battle against multiple sclerosis (MS), University of Alberta researchers recently discovered an entirely new cellular mechanism—an underlying defect in brain cells—that may be to blame for the disease, and a potential hallmark that may be a target for future treatment.