V2EX glutamine

Glutamine

定义 Definition

谷氨酰胺:一种常见的氨基酸(人体可合成,某些情况下被称为“条件必需”),在氮代谢、免疫细胞与肠道细胞能量供给、蛋白质合成等过程中很重要;也常见于营养补充剂与临床营养配方中。(另有少量专业用法与衍生含义,此处以生物化学常见义为主。)

发音 Pronunciation

/lutmin/

例句 Examples

Glutamine is an amino acid found in many foods.
谷氨酰胺是一种存在于许多食物中的氨基酸。

During illness, the body may use glutamine faster than it can produce it, which is why it is sometimes called conditionally essential.
在生病期间,身体对谷氨酰胺的消耗可能快于自身合成速度,因此它有时被称为“条件必需”的氨基酸。

词源 Etymology

glutamineglutamic (acid)(谷氨酸)+ -ine(化学命名中常用于表示“某种物质/胺类/碱类”的后缀)构成。glutamic 一词与早期从麸质(gluten)相关物质中分离研究有关,因此在命名上与 gluten 有历史联系;而 glutamine 则指与谷氨酸相关的一种氨基酸形式(酰胺化的衍生物)。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):在氨基酸代谢、氮转运与谷氨酰胺/谷氨酸互变相关章节中频繁出现。
  • Molecular Biology of the Cell(《细胞生物学:分子方法》/《细胞的分子生物学》):涉及细胞代谢与生物合成原料时会提到谷氨酰胺。
  • Campbell Biology(《坎贝尔生物学》):在蛋白质与氨基酸基础、细胞呼吸与代谢概述中可能出现该词。
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