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Related Experiment Videos

Screening for Krabbe disease: The first 2 years' experience.

Giovanna Pannuzzo1, Adriana Carol Eleonora Graziano1, Rosanna Avola1

  • 1Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.

Acta Neurologica Scandinavica
|July 28, 2019
PubMed
Summary

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Researchers identified 40 carriers of Krabbe disease, a rare genetic disorder, in Sicily. This screening aims to prevent affected births and enable early intervention for Krabbe disease.

Area of Science:

  • Genetics
  • Biochemistry
  • Neurology

Background:

  • Krabbe disease is an autosomal recessive lysosomal storage disorder caused by galactosylceramidase (GALC) deficiency.
  • Accumulation of psychosine leads to myelin-forming cell apoptosis, causing severe neurological impairment.
  • Identifying carriers is crucial for genetic counseling and reproductive planning.

Purpose of the Study:

  • To identify heterozygous carriers of Krabbe disease in Sicily, Italy.
  • To prevent the birth of infants affected by Krabbe disease.
  • To facilitate early intervention for affected fetuses.

Main Methods:

  • Screening of relatives with known Krabbe disease mutations.
  • Utilizing a rapid, sensitive, and non-invasive genomic DNA extraction from buccal swabs.
Keywords:
Krabbe's leukodystrophycarriersfamily supportgalactosylceramidasegenetic counsellingsingle-nucleotide polymorphisms

Related Experiment Videos

  • Analyzing single-nucleotide polymorphism (SNP) genotypes to detect carriers.

    • Main Results:

    • Analysis of approximately 100 individuals over two years.
    • Identification of 40 heterozygous carriers of Krabbe disease.
    • One pregnant carrier was identified during the study period.

    Conclusions:

    • The study provides valuable data for families affected by Krabbe disease and researchers.
    • Results will help determine the incidence of Krabbe disease in Sicily.
    • The findings support the establishment of a Krabbe disease registry.