One protein, two healing properties: multiple sclerosis is linked to rogue immune cells that attack mature neurons. Remarkably, immature neurons secrete a protein called LIF, which not only inhibits this attack, but also promotes repair of the damaged nerves

Multiple sclerosis (MS) is a disabling autoimmune neurological disease that commonly affects young adults; in Britain alone there are more than 100,000 people with the disease. MS involves damage to [...]