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Related Experiment Videos

Glycosphingolipids in patients with the Rett syndrome.

S Chatterjee1, N Ghosh, K M Goh

  • 1Department of Pediatrics, Johns Hopkins University, School of Medicine, Baltimore, Maryland.

Brain & Development
|January 1, 1990
PubMed
Summary

Researchers identified an unusual glycosphingolipid in the plasma of most Rett syndrome (RS) patients. This lipid was absent in healthy individuals, suggesting a potential biomarker for Rett syndrome.

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Area of Science:

  • Biochemistry
  • Neurodevelopmental Disorders
  • Lipidomics

Background:

  • Rett syndrome (RS) is a rare neurodevelopmental disorder.
  • Plasma glycosphingolipids are complex lipids found in cell membranes.
  • Altered lipid profiles are implicated in various neurological conditions.

Purpose of the Study:

  • To investigate plasma glycosphingolipid profiles in patients with Rett syndrome.
  • To identify potential lipid biomarkers associated with RS.
  • To compare lipid profiles between RS patients, other developmental disorders, and healthy controls.

Main Methods:

  • Two blind studies were conducted.
  • Plasma samples were collected from patients with Rett syndrome, other developmental disorders, and normal individuals.

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  • Glycosphingolipid analysis was performed on plasma samples.

    • Main Results:

    • An unusual glycosphingolipid was detected in 70% of Rett syndrome patients.
    • This glycosphingolipid was also found in approximately 10% of patients with other developmental disorders.
    • The unusual glycosphingolipid was absent in normal individuals and patients with known lipid storage disorders.

    Conclusions:

    • The presence of an unusual plasma glycosphingolipid is strongly associated with Rett syndrome.
    • This finding may serve as a potential diagnostic marker for RS.
    • Further research is required to elucidate the specific role and relevance of this glycosphingolipid in Rett syndrome pathogenesis.