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Hemin: An Inhibitor of Erythroid Cell Ribonuclease

Edward R. Burka

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Abstract

Hemin, in concentrations which stimulate protein synthesis and stabilize polyribosomes in reticulocytes, is a potent inhibitor of ribonuclease activity in the erythroid cell. This may offer a partial explanation for the way in which hemin acts to accelerate globin synthesis and thus synchronize the synthesis of hemin and globin in the maturing erythroid cell.

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What this paper is about

Hemin, in concentrations which stimulate protein synthesis and stabilize polyribosomes in reticulocytes, is a potent inhibitor of ribonuclease activity in the erythroid cell. This may offer a partial explanation for the way in which hemin acts to accelerate globin synthesis and thus synchronize the synthesis of hemin and globin in the maturing erythroid cell.

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Available abstract

Hemin, in concentrations which stimulate protein synthesis and stabilize polyribosomes in reticulocytes, is a potent inhibitor of ribonuclease activity in the erythroid cell. This may offer a partial explanation for the way in which hemin acts to accelerate globin synthesis and thus synchronize the synthesis of hemin and globin in the maturing erythroid cell.

Key concepts: Hemin, Globin, Ribonuclease, Chemistry, Biochemistry, Cell, Molecular biology, Cell biology

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