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Globin Synthesis in Sideroblastic Anaemia
Author(s) -
White J. M.,
Ali M. A. M.
Publication year - 1973
Publication title -
british journal of haematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.907
H-Index - 186
eISSN - 1365-2141
pISSN - 0007-1048
DOI - 10.1111/j.1365-2141.1973.tb01674.x
Subject(s) - sideroblastic anemia , globin , heme , pyridoxal phosphate , biochemistry , hemoglobin , biology , medicine , anemia , enzyme , cofactor
S ummary . The effect of pyridoxal‐5‐phosphate, δ‐aminolaevulinic acid and haematin hydrochloride on the in‐vitro synthesis of globin by reticulocytes has been examined in sideroblastic anaemia. In each of the seven patients studied, haematin consistently stimulated globin synthesis. In two siblings suffering from congenital sideroblastic anaemia δ‐ALA also stimulated globin synthesis. It was, however, ineffective in another patient with the same disorder with different clinical and haematological features. This evidence strongly supports our earlier conclusions that sideroblastic anaemia is brought about by a deficiency of haem. It also demonstrates biochemical heterogenity in the congenital type of sideroblastic anaemia.