[Ring sideroblasts and iron metabolism].

Abstract excerpt

Ring sideroblasts show abnormal mitochondrial iron accumulation, and their emergence in the bone marrow is a characteristic of sideroblastic anemias (SAs). SAs are a group of heterogeneous congenital and acquired disorders. Congenital SA is a rare disease caused by gene mutations involved in heme biosynthesis, iron-sulfur cluster biosynthesis, and mitochondrial protein synthesis. SAs can also occur after exposure...

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