Virus-fighting cells attacking brain cells (IMAGE)
Caption
A section of brain from a mouse with multiple sclerosis-like disease induced by viral infection. The fluorescently stained image shows a type of killer white blood cell, called CD8+ T cells (colored green), invading the brain and attracting other immune cells (red) that degrade the nerve protein myelin. Myelin forms a sheath around nerves. When the myelin sheath is damaged, the nerve is like a frayed electrical cord that no longer transmits correctly.
Credit
Goverman Lab, University of Washington
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