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Hepato-cerebral syndrome: genetic and pathological studies in an infant with a dGK mutation

Massimiliano Filosto1, Michelangelo Mancuso, Giuliano Tomelleri

  • 1Department of Neurological and Visual Sciences, Section of Neurology, University of Verona, Policlinico GB Rossi, 37134, Verona, Italy.

Acta Neuropathologica
|May 20, 2004
PubMed

Insights

Hepato-cerebral syndrome in an infant was linked to a dGK gene duplication, causing liver disease and mild neurological symptoms. Genetic testing of the dGK gene is recommended for infants with cirrhosis, even without central nervous system involvement.

Area of Science:

  • Neurology
  • Genetics
  • Hepatology

Background:

  • Hepato-cerebral syndrome is a rare condition affecting both the liver and brain.
  • Genetic mutations can lead to complex syndromes with multi-organ involvement.

Observation:

  • A neuropathological examination revealed focal spongy degeneration of white matter and Purkinje cell loss in an infant.
  • The infant presented with liver disease in early life, progressing to cirrhosis and death at 31 months.
  • Neurological symptoms were mild and appeared later in the disease course.

Findings:

  • A 4-base pair GATT duplication in exon 6 of the diacylglycerol kinase (dGK) gene was identified as the cause.
  • The identified genetic defect correlated with the observed neuropathological findings and clinical presentation.

Implications:

  • Molecular analysis of the dGK gene is crucial for diagnosing infants with unexplained cirrhosis.
  • Early genetic testing can aid in understanding and managing hepato-cerebral syndrome, even with limited neurological signs.

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