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Published online 29 July 2007 | Nature | doi:10.1038/news070723-14

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New genetic risk factors for multiple sclerosis found

Genes point to the importance of immune system proteins.

People with one of two common gene variants may be at increased risk of developing the autoimmune disorder multiple sclerosis (MS), researchers say.

Both variants encode components of the immune system that are involved in preventing the body from attacking its own cells.

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