In the United States the average daily intake of dietary ironranges from 10 to 30 mg, but only about 1 mg is absorbed, tobalance precisely the loss due to the sloughing of intact cellscontaining iron. Iron absorption can be increased if iron storesare depleted (usually through blood loss), and in geneticallynormal people absorption decreases with iron overload1,2 (usuallyfrom multiple transfusions). Iron balance is regulated at theabsorptive step, but the mechanism by which the intestinal mucosaaccomplishes this has not been defined. The defect responsiblefor hereditary hemochromatosis is malregulation of intestinaliron absorption3,4. . . [Full Text of this Article]
Frequency and Genetic Transmission
Screening Strategy
Treatment
Source Information
From the Departments of Medicine, University of Utah College of Medicine and LDS Hospital, both in Salt Lake City.
Address reprint requests to Dr. Kushner at 4C-334, Dept. of Medicine, University of Utah College of Medicine, 50 N. Medical Dr., Salt Lake City, UT 84132.
References
Related Letters:
Screening for Hemochromatosis
Billings P. R., Barash C., Geller L. N., Alper J. S., Maguire G. A., Edwards C. Q., Kushner J. P.
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Full Text
N Engl J Med 1993;
329:2037-2038, Dec 30, 1993.
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[Full Text]
Billings, P. R., Barash, C., Geller, L. N., Alper, J. S., Maguire, G. A., Edwards, C. Q., Kushner, J. P.
(1993). Screening for Hemochromatosis. NEJM
329: 2037-2038
[Full Text]