IZ7-R is a protein whose role is to guide the actions of one type of immune cells (T-cells). The MS-related version of the protein may contribute to MS by guiding those immune cells to attack the nervous system.
Does this mean that MS is a genetic disease? Not exactly. The expression of genes can be influenced by many factors. There is certainly a genetic component to MS, but this may not explain the whole picture. This new study doesn't disprove the viral, vitamin D or other theories of MS. It does shed new light on how MS may work in the body and could provide routes to new MS treatments in the future. Learn More About the Causes of MS.