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Niemann-Pick disease type C (NPC) is a lysosomal storage disorder characterized by liver disease and progressive neurodegeneration. Deficiency of either NPC1 or NPC2 leads to the accumulation of cholesterol and glycosphingolipids in late endosomes and early lysosomes. In order to identify
Lipids play a pivotal role in embryogenesis as structural components of cellular membranes, as a source of energy, and as signaling molecules. On the basis of a collection of temperature-sensitive embryonic lethal mutants, a systematic database search, and a subsequent microscopic analysis of >300
Studies have suggested that cholesterol imbalance in the brain might be related to the development of neurological disorders such as Alzheimer's disease and Niemann-Pick disease type C. Previously, we have reported that U18666A, a cholesterol transport-inhibiting agent, leads to apoptosis and
Use of fusion protein tags to investigate lysosomal proteins can be complicated by the acidic, protease-rich environment of the lysosome. Potential artifacts include degradation or release of the tag and acid quenching of fluorescence. Tagging can also affect protein folding, glycosylation and/or
5H7, an anti-human class I MHC mAb that recognizes a monomorphic determinant of the alpha3 domain, profoundly inhibits T lymphocyte activation. The present study was designed to determine the role of programmed cell death in 5H7-mediated immune suppression. Incubation of PBMC with 5H7 mAb induced a