British Medical Bulletin 55:556-567 (1999)
© 1999 The British Council
research-article |
Inborn errors of metabolism: iron
Department of Haematology, University of Wales College of Medicine Cardiff, UK
Correspondence to: Professor M Worwood, Department of Haematology, University of Wales College of Medicine, Heath Park, Cardiff CF4 4XN, UK
Abstract
The iron content of the body is normally closely regulated. Despite this, iron deficiency anaemia is common in women because iron losses due to menstruation and childbirth are not always compensated for by iron absorption from the diet. The role of transferrin in delivering iron to cells and of ferritin in storing iron within cells is well understood but the proteins involved in iron transport across membranes are only now being investigated. Relatively few genetic disorders affecting iron metabolism are known and most are rare. This paper briefly describes pyridoxine responsive sideroblastic anaemia, hyperferritinaemia-cataract syndrome, atransferrinaemia and genetic haemochromatosis. Rather than rare, the latter is one of the most common inherited disorders in northern European populations. Mutations in genes regulating membrane iron transport causing simple iron deficiency have not yet been described.
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