Ridiculous. That’s how Andrew Caprariello says his colleagues described his theory about multiple sclerosis (MS) back when he was doing his PhD in Ohio.

Caprariello’s passion to explore controversial new theories about MS propelled him to seek out a postdoctoral fellowship with a like-minded thinker, whom he found in University of Calgary’s Dr. Peter Stys, a member of the Hotchkiss Brain Institute at the Cumming School of Medicine (CSM).

The collaboration paid off. Caprariello, Stys and their colleagues have scientific proof published in the Proceedings of the National Academy of Sciences (PNAS) that their somewhat radical theory has merit. “I’ve always wondered ‘what if’ MS starts in the brain and the immune attacks are a consequence of the brain damage,” says Caprariello, PhD, and lead author on the study.

Currently, MS is considered to be a progressive autoimmune disease. Brain inflammation happens when the body’s immune system attacks a protective material around nerve fibers in the brain called myelin. Conventional thinking is that rogue immune cells initially enter the brain and cause myelin damage that starts MS.

“In the field, the controversy about what starts MS has been brewing for more than a decade. In medical school, I was taught years ago that the immune attack initiates the disease. End of story,” says Stys, a neurologist and professor in the Department of Clinical Neurosciences at the CSM. “However, our findings show there may be something happening deeper and earlier that damages the myelin and then later triggers the immune attacks.”

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