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Disialotransferrin developmental deficiency syndrome.

B Kristiansson1, M Andersson, B Tonnby

  • 1Department of Pediatrics, Ostra Hospital, Gothenburg University, Sweden.

Archives of Disease in Childhood
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

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This study identifies a new inborn error of glycoprotein metabolism in seven children, characterized by unique physical and neurological symptoms. An abnormal sialic acid transferrin pattern serves as a key biological marker for this condition.

Area of Science:

  • Biochemistry
  • Genetics
  • Pediatrics

Background:

  • A cohort of seven children with intellectual disability and peculiar external appearance were studied.
  • These individuals presented with a neurohepatosubcutaneous tissue impairment syndrome.
  • Early onset of acute cerebral dysfunction during catabolic states was observed.

Purpose of the Study:

  • To characterize a newly discovered inborn error of glycoprotein metabolism.
  • To identify a biological marker for this condition.
  • To investigate the genetic basis and clinical manifestations.

Main Methods:

  • Clinical assessment of external appearance and neurological function (lower neurone, cerebellar, retinal).
  • Biochemical analysis of serum and cerebrospinal fluid for sialic acid transferrin patterns.

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  • Family history analysis to determine inheritance patterns.

    • Main Results:

    • A characteristic neurohepatosubcutaneous tissue impairment syndrome was identified.
    • Abnormal sialic acid transferrin patterns (disialotransferrin) were consistently found in affected individuals.
    • Autosomal recessive inheritance was suggested by the presence of sibling pairs.

    Conclusions:

    • A novel inborn error of glycoprotein metabolism is proposed.
    • The disialotransferrin pattern is a potential biological marker for this disorder.
    • This condition presents with significant neurological impairment and distinctive physical features.