Abstract
A patient with Gaucher's disease is described, in whom the disease could not be diagnosed enzymically in liver and leucocytes using artificial substrate 4-methylumbelliferyl beta-glucoside. Normal activity was found in the liver, and about 60% of control activity was determined in the patient's leucocytes. In contrast, when [14C]-N-stearoyl glucocerebroside was employed as a substrate, activity as low as 5% of control has been found in all the proband's tissues, and carrier levels were determined in the proband's parents and maternal uncle.
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