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[Abetalipoproteinemia: case report]

G Guariso1, M S Chiarelli, C Nichetti

  • 1Dipartimento di Pediatria, Universitá degli Studi di Padova.

Minerva Pediatrica
|November 1, 1993
PubMed
Summary

Abetalipoproteinemia is a genetic disorder affecting fat absorption due to defective chylomicron formation. This case highlights the severe clinical manifestations in a young child.

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Area of Science:

  • Genetics
  • Biochemistry
  • Pediatrics

Background:

  • Abetalipoproteinemia is an inherited disorder impacting lipid transport.
  • It stems from defects in the apolipoprotein B protein essential for chylomicron assembly.
  • This impairs the absorption and circulation of dietary fats.

Observation:

  • A 3-year-old girl presented with symptoms consistent with abetalipoproteinemia.
  • Clinical features included steatorrhea, growth retardation, and acanthocytosis (abnormal red blood cells).
  • Neurological symptoms like ataxia and retinitis pigmentosa were also noted.

Findings:

  • The patient's condition exemplifies the severe consequences of impaired chylomicron synthesis.
  • This genetic defect disrupts essential fat-soluble vitamin absorption and transport.
  • The case underscores the multifaceted clinical presentation of abetalipoproteinemia.

Implications:

  • Early diagnosis and management are crucial for mitigating long-term complications.
  • Understanding the molecular basis of abetalipoproteinemia aids in developing targeted therapies.
  • This case contributes to the clinical knowledge base for rare genetic lipid disorders.

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