A series of fluorescent N-acylsphingosines: synthesis, physical properties, and studies in cultured cells.


We have previously shown that when cultured fibroblasts are briefly incubated at 2 degrees C with a fluorescent (NBD) analogue of ceramide, N-[N-(7-nitro-2,1,3-benzoxadiazol-4-yl)-epsilon-aminohexanoyl]-D-e rythro- sphingosine, fluorescent labeling of the mitochondria, endoplasmic reticulum, and nuclear envelope occurs. During further incubation at 37… (More)


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