Multiple sclerosis 'immune exchange' between brain and blood is uncovered

The cells in question, obtained from spinal fluid and blood samples, are called B cells, which normally help to clear foreign infections from the body but sometimes react strongly with the body itself. One of the current theories of multiple sclerosis, which strikes hundreds of thousands of Americans and millions more worldwide, holds that the disease manifests when self-reactive B cells in the brain become activated and cause inflammation there. The apparent exchange of the cells between the brain and the blood may be a key to unlocking better treatments and diagnostics, because the activated B cells causing problems in the brain may be accessible when they move from the brain to the periphery.

Read more at: http://medicalxpress.com/news/2012-11-multiple-sclerosis-immune-exchange-brain.html#jCp

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