X-linked sideroblastic anemia

Anemia, hereditary sideroblastic; Anemia, sex-linked hypochromic sideroblastic; ANH1; Congenital sideroblastic anaemia; Erythroid 5-aminolevulinate synthetase deficiency; Hereditary iron-loading anemia; Hypochromic anemia; XLSA

This article is about the disease. For the poem by Robert Browning see Porphyria's Lover. The porphyrias are inherited or acquired disorders of certain enzymes in the heme biosynthetic pathway (also called porphyrin pathway). They are broadly classified as hepatic porphyrias or erythropoietic porphyrias, based on the site of the overproduction and mainly accumulation of the porphyrins (or their chemical precursors). Overview In humans, porphyrins are the main precursors of heme, an ...