单词	sphingosine
释义	sphingosine /ˈsfɪŋɡə(ʊ)sʌɪn / noun [mass noun] Biochemistry A basic compound which is a constituent of a number of substances important in the metabolism of nerve cells, especially sphingomyelins. A crystalline alcohol; chemical formula: C18H37NO2. 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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