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Micrograph showing crinkled paper macrophages in the marrow space in a case of Gaucher disease, H&E stain. Gaucher disease is suggested based on the overall clinical picture. Initial laboratory testing may include enzyme testing. As a result, lower than 15% of mean normal activity is considered to be diagnostic. [23]
In Gaucher's disease, the enzyme glucocerebrosidase is nonfunctional and cannot break down glucocerebroside into glucose and ceramide in the lysosome. [1] Affected macrophages, called Gaucher cells, have a distinct appearance similar to "wrinkled tissue paper" under light microscopy, because the substrates build-up within the lysosome.
ERT is available for some lysosomal storage diseases: Gaucher disease, Fabry disease, MPS I, MPS II (Hunter syndrome), MPS VI and Pompe disease. [1] ERT does not correct the underlying genetic defect, but it increases the concentration of the enzyme that the patient is lacking. [1]
Tay–Sachs disease was the first of these disorders to be described, in 1881, followed by Gaucher disease in 1882. In the late 1950s and early 1960s, de Duve and colleagues, using cell fractionation techniques, cytological studies, and biochemical analyses, identified and characterized the lysosome as a cellular organelle responsible for ...
They are generally inherited in an autosomal recessive fashion, but Fabry disease is X-linked. Taken together, sphingolipidoses have an incidence of approximately 1 in 10,000. Enzyme replacement therapy is available mainly to treat Fabry disease and Gaucher disease and people with these types of sphingolipidoses may live well into adulthood ...
Enzyme replacement therapy is available to treat mainly Fabry disease and Gaucher disease, and people with these types of sphingolipidoses may live well into adulthood. The other types are generally fatal by age 1 to 5 years for infantile forms, but progression may be mild for juvenile- or adult-onset forms.
George Clooney admits he once assumed his age difference with wife Amal Clooney would be insurmountable. In a wide-ranging interview with The New York Times to promote his Broadway debut in Good ...
β-Glucocerebrosidase (also called acid β-glucosidase, D-glucosyl-N-acylsphingosine glucohydrolase, or GCase) is an enzyme with glucosylceramidase activity (EC 3.2.1.45) that cleaves by hydrolysis the β-glycosidic linkage of the chemical glucocerebroside, an intermediate in glycolipid metabolism that is abundant in cell membranes (particularly skin cells). [5]