Paroxysmal nocturnal haemoglobinuria: Nature's gene therapy?
- 1Department of Haematology, Birmingham Heartlands Hospital, Bordesley Green East, Birmingham B9 5SS, UK
- 2Haematological Malignancy Diagnostic Service, The General Infirmary at Leeds, Great George Street, Leeds LS1 3EX, UK
- Correspondence to: Dr R J Johnson, Birmingham Heartlands Hospital, Bordesley Green East, Birmingham B9 5SS, UK;
- Accepted 24 January 2002
The development of paroxysmal nocturnal haemoglobinuria (PNH) requires two coincident factors: somatic mutation of the PIG-A gene in one or more haemopoietic stem cells and an abnormal, hypoplastic bone marrow environment. When both of these conditions are met, the fledgling PNH clone may flourish. This review will discuss the pathophysiology of this disease, which has recently been elucidated in some detail.
- AA, aplastic anaemia
- ER, endoplasmic reticulum
- GPI, glycosyl phosphatidylinositol
- GlcNAc, N-acetylglucosamine
- PEA, phosphoethanolamine
- PI, phosphatidylinositol
- PNH, paroxysmal nocturnal haemoglobinuria
- VSG, variant surface glycoprotein