Baffling blood problem explained: 60-year-old health mystery solved
Wednesday, March 20, 2013 - 15:00
in Health & Medicine
Some 200,000 people in Europe and a similar number in North America are "Vel-negative," a rare blood type, difficult for hospitals to identify, that can make blood transfusions turn deadly. For sixty years, researchers hunted -- unsuccessfully -- for the cause of Vel-negative blood. Now scientists have found the culprit -- a tiny protein called SMIM1 -- and created a fast and easy DNA test for it.