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[Gaucher's disease ].

Nadia Belmatoug1, Isabelle Caubel, Jérôme Stirnemann

  • 1Service de Médecine Interne, Hôpital Beaujon, 100 boulevard du Général Leclerc, 92118, Clichy.

Journal De La Societe De Biologie
|October 4, 2002
PubMed
Summary
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Gaucher disease, a lysosomal storage disorder, results from glucocerebrosidase deficiency, causing glucosylceramide accumulation. Enzyme replacement therapy effectively treats symptoms like organomegaly and anemia, but early intervention is crucial for irreversible bone complications.

Area of Science:

  • Genetics and rare diseases
  • Lysosomal storage disorders
  • Biochemistry of metabolic diseases

Context:

  • Gaucher disease is an uncommon autosomal recessive disorder.
  • It stems from a deficiency in the lysosomal enzyme glucocerebrosidase, crucial for glucosylceramide degradation.
  • Accumulation of glucosylceramide in macrophages leads to characteristic clinical manifestations.

Purpose:

  • To describe the pathophysiology, clinical features, and treatment of Gaucher disease.
  • To highlight the role of macrophages in disease pathogenesis.
  • To emphasize the importance of early enzyme replacement therapy.

Summary:

  • Gaucher disease involves glucocerebrosidase deficiency, leading to glucosylceramide accumulation in macrophages, causing hepatosplenomegaly, hematologic abnormalities, and bone issues.

Related Experiment Videos

  • Types 1, 2, and 3 present with varying severity and neurological involvement.
  • Biochemical markers include elevated ferritin, angiotensin-converting enzyme, immunoglobulins, and chitotriosidase.

    • Impact:

    • Enzyme replacement therapy (ERT) has shown significant efficacy in managing asthenia, organomegaly, and hematologic manifestations.
    • ERT can alleviate bone pain, but irreversible bone complications necessitate treatment initiation before significant lesion development.
    • Early diagnosis and treatment are vital to prevent severe functional impairment and irreversible bone damage.