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Related Experiment Videos

Fabry's disease. Primary diagnosis by electron microscopy.

P F Schatzki, B Kipreos, J Payne

    The American Journal of Surgical Pathology
    |June 1, 1979
    PubMed
    Summary

    Fabry's disease is a rare genetic condition causing lipid buildup in cells, leading to serious vascular and organ damage. Early identification and understanding of lipid storage are crucial for managing this progressive disorder.

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    Area of Science:

    • Biochemistry
    • Genetics
    • Pathology

    Background:

    • Fabry's disease is a lysosomal storage disorder.
    • It results from mutations in the GLA gene, leading to alpha-galactosidase A deficiency.
    • This deficiency causes accumulation of globotriaosylceramide (Gb3) in various tissues.

    Observation:

    • Lipid deposits manifest as myelin-figure-like whorls within cells.
    • Affected cells include those in the vascular endothelium, smooth muscle, myocardium, fibroblasts, and renal glomeruli.
    • Corneal clouding is a characteristic clinical sign.

    Findings:

    • Lipid accumulation causes progressive vascular narrowing and thrombosis.
    • This leads to ischemic events such as peripheral neuritis, myocardial infarction, and cerebral infarction.

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  • Electron microscopy is superior to light microscopy for visualizing lipid deposits.

    • Implications:

    • Understanding the cellular mechanisms of lipid storage is key to Fabry's disease management.
    • Early diagnosis and intervention can mitigate severe vascular complications and organ damage.
    • Research into targeted therapies is essential for improving patient outcomes in this genetic lipidosis.