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β-Thalassaemia/haemoglobin E tissue ferritins

Tran, K.C., Webb, J., Macey, D.J., Pootrakul, P. and Yansukon, P. (1990) β-Thalassaemia/haemoglobin E tissue ferritins. Biology of Metals, 3 (3-4). pp. 222-226.

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Ferritins from liver and spleen of both β-thalassaemia/haemoglobin E (HbE) and non-thalassaemic patients were purified by heating a methanol-treated homogenate, followed by molecular exclusion chromatography. The concentrations of ferritins in the β-thalassaemia/HbE liver and spleen were calculated as 3.8 and 2.0 mg/g wet tissue. The β-thalassaemia/HbE ferritin iron/protein ratios were higher than those of normal ferritins. On PAGE, all ferritins gave a single major monomeric band with only very small differences in their mobility. Ferritins from thalassaemic patients also possessed bands corresponding to oligomers. On SDS/PAGE, all ferritins were resolved into two major subunits: H and L with L subunit predominating. While the isoferritin profiles of ferritins from β-thalassaemia/HbE liver and spleen were similar to each other and to those of normal liver and spleen, some extra bands were present in the acidic region. The microstructure of these pathological ferritins appears to result, to a large degree, from the particular nature and amount of iron loading present.

Item Type: Journal Article
Murdoch Affiliation(s): School of Biological and Environmental Sciences
Publisher: Springer-Verlag
Copyright: © 1990 Springer-Verlag
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