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  • Title: Global gene expression in a type 2 Gaucher disease brain.
    Author: Myerowitz R, Mizukami H, Richardson KL, Finn LS, Tifft CJ, Proia RL.
    Journal: Mol Genet Metab; 2004 Dec; 83(4):288-96. PubMed ID: 15589115.
    Abstract:
    Gaucher disease is a member of a family of inherited disorders called sphingolipidoses that among others includes Tay-Sachs and Sandhoff diseases. It is caused by the accumulation of glucosylceramide (glucocerebroside) due to deficient activity of the enzyme glucosylceramide-beta-glucosidase (glucocerebrosidase). As with other glycosphingolipidoses, severe neurodegeneration is present in types 2 and 3 Gaucher disease. We have used Serial Analysis of Gene Expression (SAGE) to characterize the gene expression profiles in brain of patients with glycosphingolipid storage diseases to understand the molecular details of neurodegeneration. In the current study we have determined the gene expression profile from the brain of a patient with type 2 Gaucher disease, the acute neuronopathic form of the disorder. We found that the expression profile of the type 2 Gaucher brain is significantly altered relative to the normal control brain profile. There were also differences when compared with profiles from Tay-Sachs and Sandhoff patients, in particular in levels of genes related to macrophage activation. Intriguingly we found that gamma-synuclein, a family member of proteins involved the pathogenesis of other neurodegenerative disorders, was elevated in the one Gaucher type 2 patient brain we examined.
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