Glutathione Synthetase Deficiency

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  • IYORI Hideaki
    Department of Pediatrics, the Jikei University School of Medicine
  • HIRONO Akira
    The Okinaka Memorial Institute for Medical Research
  • KOBAYASHI Naoaki
    Department of Pediatrics, the Jikei University School of Medicine
  • ISHITOYA Naoko
    Department of Pediatrics, Daisan Hospital, the Jikei University School of Medicine
  • AKATSUKA Jun-ichi
    Department of Pediatrics, Daisan Hospital, the Jikei University School of Medicine
  • KANNO Hitoshi
    The Okinaka Memorial Institute for Medical Research
  • FUJII Hisaichi
    Department of Transfusion Medicine, Tokyo Women's Medical College
  • MIWA Shiro
    The Okinaka Memorial Institute for Medical Research

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Other Title
  • Glutathione synthetase異常症（本邦第1例）

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Abstract

Case report: The patient was a boy born in June, 1990. The proband's fater had a history of nonspherocytic hemolytic anemia. The patient was anemic at birth (Hb 11.9 g/dl) and had a hemolytic attack on postnatal day 2. His hemolysis became well compensated, and his second hemolytic episode occurred at three years of age. Clinical and laboratory findings: The patient's mental development has so far been normal and he has no neurological synptoms. His only clinical manifestation has been compensated hemolytic anemia with a hemoglobin concentration of about 11.0 g/dl and a reticulocyte count of 3-6%. He was positive on the Heinz body formation test, and target cells were seen on his peripheral blood smear. The osmotic fragility test yielded slightly increased value. Decreased reduced glutathione (GSH) was observed (4.4 mg/dlRBC) (normal range: 63.9±9.6), and he also had decreased glutathione synthetase (GS) activity of 0.03 U/gHb (0.38±0.08 U/gHb). A diagnosis of GS deficiency was made. Decreased glutathione S-transferase (GST) activity was also found (0.57 U/gHb) (normal range: 6.65±1.20). Discussion: GS deficiency has been reported in about 30 families all over the world. This patient was the first Japanese patient with red cell GS deficiency.

Journal

  • Rinsho Ketsueki

    Rinsho Ketsueki 37 (4), 329-334, 1996

    The Japanese Society of Hematology

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