V2EX prealbumin

Prealbumin

释义 Definition

Prealbumin(又称转甲状腺素蛋白 transthyretin)是一种由肝脏等组织合成的血浆蛋白,能运输甲状腺激素(T4)维生素A相关的视黄醇结合蛋白。临床上常用其作为评估营养状态炎症/疾病消耗的指标之一(也可指化验项目中的“前白蛋白”数值)。

发音 Pronunciation (IPA)

/prilbjumn/

例句 Examples

The doctor ordered a prealbumin test to check her nutritional status.
医生开了前白蛋白检查来评估她的营养状况。

Although his albumin was normal, his prealbumin level dropped sharply during the infection, suggesting acute inflammation and poor intake.
尽管他的白蛋白正常,但感染期间前白蛋白水平明显下降,提示存在急性炎症并且摄入不足。

词源 Etymology

pre- 表示“在……之前”,albumin 指“白蛋白”。早期在电泳分离蛋白时,这种蛋白的迁移位置常出现在白蛋白之前,因此得名 prealbumin。后来发现其主要成分与功能并非“白蛋白的前体”,而是运输蛋白,因此也常用更准确的名称 transthyretin(意为“跨越/转运甲状腺素的蛋白”)。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯-科特兰疾病的病理学基础》)
  • Tietz Textbook of Clinical Chemistry and Molecular Diagnostics(《Tietz 临床化学与分子诊断学》)
  • Williams Hematology(《威廉姆斯血液学》)
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