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[mass noun] A basic compound which is a constituent of a number of substances important in the metabolism of nerve cells, especially sphingomyelins.
- ‘Analysis of tissues for sphinganine and sphingosine is not readily available.’
- ‘In contrast, the increase of SM content in MEB4 cells to 6% by the addition of sphingosine did not affect the viability of the cells.’
- ‘Sphingolipids are composed of a backbone of sphingosine which is derived itself from glycerol.’
- ‘It is, in principle, possible that sphingosine could be involved in the regulation of gene expression and signal transduction.’
- ‘Amino acylation, with a long chain fatty acid, at carbon 2 of sphingosine yields a ceramide.’
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