By Pippa StephensHealth reporter, BBC News
Scientists said the S1PR2 protein was linked to multiple sclerosis
A key difference in the brains of male and female MS patients may explain why more women than men get the disease, a study suggests.
Scientists at Washington University School of Medicine in the US found higher levels of protein S1PR2 in tests on the brains of female mice and dead women with MS than in male equivalents.
Four times more women than men are currently diagnosed with MS.
Experts said the finding was “really interesting”.
MS affects the nerves in the brain and spinal cord, which causes problems with muscle movement, balance and vision. It is a major cause of disability, and affects about 100,000 people in the UK.
Blood-brain barrier
Abnormal immune cells attack nerve cells in the central nervous system in MS patients.
There is currently no cure, although there are treatments that can help in the early stages of the disease.
Researchers in Missouri looked at relapsing remitting MS, where people have distinct attacks of symptoms that then fade away either partially or completely. About 85% of people with MS are diagnosed with this type.
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