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Heme and globin synthesis control: observations in vivo in beta thalassemia |
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| Authors: | M Kreimer-Birnbaum R M Bannerman |
| Abstract: | After administration of glycine-2-(14)C to a patient with thalassemia, the specific activities of heme and globin of F hemoglobin were consistently higher than those of hemoglobin A. After reaching a maximum, the ratio of the specific activity of heme to that of globin remained constant within each hemoglobin. Explanations considered include dilution by preformed subunits, differential turnover of hemoglobins, and possibly more than one heme-synthesizing pool. |
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