Abstract
Krabbe’s Leukodystrophy is a rare inherited lipid storage disorder caused by a deficiency of the enzyme galactocerebrosidase (GALC), which is necessary for the breakdown (metabolism) of the sphingolipids galactosylceremide and psychosine. Failure to break down these sphingolipids results in degeneration of the myelin sheath surrounding nerves in the brain (demyelination). Characteristic globoid cells appear in affected areas of the brain. This metabolic disorder is characterized by progressive neurological dysfunction such as mental retardation, paralysis, blindness, deafness and paralysis of certain facial muscles (pseudobulbar palsy). Krabbe’s Leukodystrophy is inherited as an autosomal recessive trait. Krabbe’s Leukodystrophy is a hereditary disorder transferred to offspring through recessive genes. It is caused by a deficiency of the enzyme galactoside beta-galactosidase (galactosyl ceramidase). This enzyme is needed for the metabolism of galactocerebroside (galactosyl ceramide), a component of the fatty sheath around the nerves (myelin). The demyelination of the nerve cells in the large hemispheres of the brain (and in the brain stem) causes the neurological symptoms of Krabbe’s Leukodystrophy
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