Multiple sclerosis – an autoimmune disease that affects the brain and spinal cord – may emerge after infection with Epstein-Barr virus (EBV).
antibodies
Using medical records, they identified 801 individuals who developed multiple sclerosis during the study period and who had provided at least three serum samples prior to their diagnosis. In multiple sclerosis, the immune system mistakenly attacks myelin, an insulating sheath that surrounds many nerve fibers, and this damage impairs the ability of nerve cells to transmit signals. Early signs of this nerve cell damage can appear up to six years prior to the onset of multiple sclerosis, according to a 2019 report in the journalSpecifically, they looked for a protein called neurofilament light chain, whose concentrations go up in the blood following damage to nerve cells.
That said, the work cannot reveal exactly why this link exists – but a recent study led by Robinson and Steinman provides some clues., has not yet been peer-reviewed or published in a scientific journal. Of course, even with this mounting evidence, one big question remains: If most people catch EBV at some point, why do only some people go on to develop multiple sclerosis? The answer lies, at least in part, in their genes.
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