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- W4243841572 abstract "Neonatal hemochromatosis is an enigmatic disease. Little is known about iron metabolism in this disease, including the tissue concentration of ferritin or its H and L subunit ratio. The authors report the tissue iron, ferritin, and ferritin subunit content of a child who died at 5 weeks of neonatal hemochromatosis. The child was born at 29 weeks gestation to a mother with lupus, sickle cell trait, and gestational diabetes. The child's severe liver dysfunction led to the clinical diagnosis of neonatal hemochromatosis at 1 week of age. Despite aggressive support, including red cell transfusions and chelation, the child died of an intracranial hemorrhage. Autopsy showed liver fibrosis and iron staining characteristic of neonatal hemochromatosis. Autopsy liver tissue was compared to age-matched control tissue. Soluble protein was analyzed by the Bradford method. Soluble iron (over 90% of total iron) was analyzed by the o -phenanthroline complex. Tissue ferritin and human ferritin controls (Calzyme) were analyzed by Western blotting after SDS-PAGE, identified with sheep anti-human ferritin antibodies (The BindingSite) secondary antibody-fluorescence for detection, and quantified using the Molecular Dynamics Storm 840 phosphorimager and ImageQuant software. Protein, iron, and total ferritin were similar in the normal and neonatal hemochromatosis liver tissues. Ferritin subunits, however, showed an increased H/L-subunit ratio compared to an age-matched control. This first report of a marked increase in the ferritin H/L-subunit ratio may point to an underlying mechanism of disease in this enigmatic disorder." @default.
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- W4243841572 date "2003-04-01" @default.
- W4243841572 modified "2023-09-25" @default.
- W4243841572 title "Liver Ferritin Subunit Ratios in Neonatal Hemochromatosis" @default.
- W4243841572 doi "https://doi.org/10.1080/713842279" @default.
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