A single change to one gene could trigger multiple sclerosis; this might point to a cure.
Scientists have discovered that a single genetic mutation can cause multiple sclerosis. The new evidence could lead to a cure for a disease that cripples millions of people.
It’s long been thought that multiple sclerosis was caused by some vague interplay among certain genes that made contracting MS more likely, when triggered by some environmental factor, such as a viral infection or vitamin deficiency.
But Canadian researchers have discovered, at least in cases of a severe form of MS called primary progressive, that a single mutated gene can dramatically increase the risk for developing the neurological disorder.
An estimated two million people around the world have the disease.
Researchers at the University of British Columbia in Vancouver studied a large database assembled over the years of 2,000 Canadian families with members who had MS.
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