V2EX heme oxygenase

Heme Oxygenase

定义 Definition

heme oxygenase(血红素加氧酶/血红素氧合酶)是一类酶,负责把血红素(heme)分解为胆绿素(biliverdin)一氧化碳(CO)二价铁(Fe)。其中 HO-1 常与细胞应激与抗氧化反应相关,HO-2 则多为持续表达(如在神经系统等组织中)。

发音 Pronunciation (IPA)

/him ksdnes/

例句 Examples

Heme oxygenase helps break down heme in the body.
血红素加氧酶帮助人体分解血红素。

Under oxidative stress, cells often increase heme oxygenase-1 expression to protect against damage.
在氧化应激下,细胞常会上调血红素加氧酶-1的表达,以帮助抵御损伤。

词源 Etymology

该术语由两部分组成:heme(血红素) + oxygenase(加氧酶)。其中 oxygenase 源自 oxygen(氧) + 化学/生物学中常用的酶名后缀 -ase,表示“催化引入氧或与氧相关反应的酶”。整体意思直观地指向“参与血红素氧化分解过程的酶”。

相关词 Relted Words

文献与著作 Literary / Notable Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯-科特兰疾病的病理学基础》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学原理》)
  • 经典综述与研究论文题目中常见:如 “Heme oxygenase-1 …” 相关的生物医学综述与机制研究(多见于免疫、炎症与氧化应激领域期刊)
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