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词汇 sphingosine
释义

Definition of sphingosine in English:

sphingosine

nounˈsfɪŋɡə(ʊ)sʌɪnˈsfɪŋɡoʊsin
mass nounBiochemistry
  • A basic compound which is a constituent of a number of substances important in the metabolism of nerve cells, especially sphingomyelins.

    〔生化〕(神经)鞘氨醇

    A crystalline alcohol; chemical formula: C₁₈H₃₇NO₂

    Example sentencesExamples
    • Amino acylation, with a long chain fatty acid, at carbon 2 of sphingosine yields a ceramide.
    • 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.
    • Analysis of tissues for sphinganine and sphingosine is not readily available.
    • It is, in principle, possible that sphingosine could be involved in the regulation of gene expression and signal transduction.

Definition of sphingosine in US English:

sphingosine

nounˈsfiNGɡōsēnˈsfɪŋɡoʊsin
Biochemistry
  • A basic compound which is a constituent of a number of substances important in the metabolism of nerve cells, especially sphingomyelins.

    〔生化〕(神经)鞘氨醇

    A crystalline alcohol; chemical formula: C₁₈H₃₇NO₂

    Example sentencesExamples
    • Analysis of tissues for sphinganine and sphingosine is not readily available.
    • Sphingolipids are composed of a backbone of sphingosine which is derived itself from glycerol.
    • 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.
    • Amino acylation, with a long chain fatty acid, at carbon 2 of sphingosine yields a ceramide.
    • It is, in principle, possible that sphingosine could be involved in the regulation of gene expression and signal transduction.
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