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  • 标题:Ten-year-long enzyme replacement therapy shows a poor effect in alleviating giant leg ulcers in a male with Fabry disease
  • 本地全文:下载
  • 作者:Jun Okada ; Mohammad Arif Hossain ; Chen Wu
  • 期刊名称:Molecular Genetics and Metabolism Reports
  • 印刷版ISSN:2214-4269
  • 出版年度:2018
  • 卷号:14
  • 页码:68-72
  • DOI:10.1016/j.ymgmr.2017.12.004
  • 出版社:Elsevier B.V.
  • 摘要:

    Fabry disease is an X-linked lysosomal storage disorder caused by a deficiency of α-galactosidase A (α-gal A), leading to the progressive accumulation of glycosphingolipids. Classical hemizygous males usually present symptoms, including pain and paresthesia in the extremities, angiokeratoma, hypo- or anhidrosis, abdominal pain, cornea verticillata, early stroke, tinnitus, and/or hearing loss, during early childhood or adolescence. Moreover, proteinuria, renal impairment, and cardiac hypertrophy can appear with age. Enzyme replacement is the most common therapy for Fabry disease at present which has been approved in Japan since 2004. We report a case involving a 27-year-old male with extreme terminal pain, anhidrosis, abdominal pain, tinnitus, hearing impairment, cornea verticillata, and recurrent huge ulcers in the lower extremities. At the age of 16 years, he was diagnosed with Fabry disease with a positive family history and very low α-gal A activity. He then received enzyme replacement therapy (ERT) with recombinant human agalsidase beta at 1 mg/kg every 2 weeks for 10 years. Throughout the course of ERT, his leg ulcers recurred, and massive excretion of urinary globotriaosylceramide and plasma globotriaosylsphingosine was observed. Electron microscopy of the venous tissue in the regions of the ulcer showed massive typical zebra bodies in the vascular wall smooth muscle cells.

  • 关键词:α-Galactosidase A ; Enzyme replacement therapy ; Leg ulcer ; Zebra bodies ; ; α-gal A α-galactosidase A ; ; Gb3 globotriaosylceramide ; ; Lyso-Gb3 globotriaosylsphingosine ; ; ERT enzyme replacement therapy
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