New insights into paroxysmal nocturnal hemoglobinuria.

Abstract excerpt

The characteristic, defining defect in paroxysmal nocturnal hemoglobinuria is the somatic mutation of the PIG-A gene (essential to the biosynthesis of the glycosylphosphatidylinositol moiety that affixes a number of proteins to the cellular surface) in hematopoietic cells. These cells thus lack the proteins usually held in place by this anchor. The absence of these proteins is the most reliable diagnostic...

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