V2EX sphingosine

Sphingosine

释义 Definition

鞘氨醇:一种长链氨基醇,是鞘脂(sphingolipids)的核心骨架成分;在细胞膜结构与信号传导中很重要。(该词也常出现在脂质代谢与膜生物学语境中。)

发音 Pronunciation

/sfsin/

例句 Examples

Sphingosine is a basic building block of sphingolipids.
鞘氨醇是鞘脂的基本构建单元。

Changes in sphingosine levels can influence cell signaling and apoptosis in certain diseases.
在某些疾病中,鞘氨醇水平的变化会影响细胞信号传导和细胞凋亡。

词源 Etymology

sphingosine一词与sphing-(鞘脂)相关:19世纪研究脂质的化学家 Johann Ludwig Wilhelm Thudichum 将“sphing-”借自“Sphinx(斯芬克斯)”,用来形容这类脂质成分当时“像谜一样难以解释”;后缀 -osine 常见于生化命名中,用于形成物质名称。整体可理解为“与鞘脂体系相关的一种分子成分”。

相关词 Related Words

文学与著作 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Biochemistry (Berg, Tymoczko & Stryer)(《生物化学》教材常见版本)
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