[Familial hypobetalipoproteinemia]

M Gassó de Campos1, B Espín Jaime, J Gómez Arias

  • 1Servicios de Análisis Clínicos. Complejo Hospitalario de Jaén. España. mgasso@supercable.es

Insights

A rare genetic disorder, homozygous hypobetalipoproteinemia, was diagnosed in a premature infant presenting with abdominal distension and feeding issues. This condition affects lipid metabolism, impacting crucial nutrients like vitamins A and E.

Area of Science:

  • Medical Genetics
  • Biochemistry
  • Pediatrics

Background:

  • Hypobetalipoproteinemia is a rare genetic disorder affecting lipid metabolism.
  • Consanguinity in parents can increase the risk of autosomal recessive genetic conditions.

Observation:

  • A 5-month-old infant born prematurely (28 weeks gestation) presented with abdominal distension, regurgitation, and vomiting after feeding.
  • Biochemical tests revealed reduced triglycerides, cholesterol, vitamin A, and absence of apolipoprotein B and vitamin E.

Findings:

  • The patient was diagnosed with homozygous hypobetalipoproteinemia.
  • Genetic studies confirmed the diagnosis, identifying the specific genetic mutations responsible.

Implications:

  • Early diagnosis and management are crucial for infants with homozygous hypobetalipoproteinemia.
  • Understanding the genetic basis of lipid metabolism disorders is vital for developing targeted therapies.

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