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Related Experiment Videos

Juvenile Alpers disease.

Esko Wiltshire1, Guido Davidzon, Salvatore DiMauro

  • 1Department of Pediatrics and Child Health, Wellington School of Medicine and Health Sciences, University of Otago, Wellington, New Zealand.

Archives of Neurology
|January 16, 2008
PubMed
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Alpers disease, a mitochondrial disorder, can be caused by polymerase gamma (POLG1) gene mutations. This report details a juvenile case, highlighting POLG1 mutations in adolescent-onset Alpers disease.

Area of Science:

  • Genetics
  • Mitochondrial Biology
  • Neurology

Background:

  • Alpers disease is a rare genetic disorder affecting mitochondrial DNA maintenance.
  • It is typically associated with polymerase gamma (POLG1) deficiency, primarily impacting infants and young children.

Observation:

  • A 17-year-old female presented with intractable epilepsy and progressive liver disease.
  • Clinical presentation suggested a mitochondrial disorder with multi-system involvement.

Findings:

  • Pathological and biochemical analyses indicated a defect in the mitochondrial respiratory chain.
  • Mutational analysis identified two novel mutations in the POLG1 gene (T851A and R1047W).

Implications:

  • This case expands the known spectrum of Alpers disease presentation into adolescence.

Related Experiment Videos

  • POLG1 mutations are confirmed as a cause of juvenile-onset Alpers disease, emphasizing the need for genetic testing in similar cases.