V2EX beta-2 microglobulin

Beta-2 Microglobulin

Definition / 释义

β2-微球蛋白(beta-2 microglobulin):一种存在于多数有核细胞表面的小分子蛋白,与MHC I类分子相关;临床上常作为肾功能、炎症/免疫激活等情况的生物标志物之一(在某些疾病中会升高)。

Pronunciation / 发音

/bet tu makrolbjln/

Examples / 例句

The doctor ordered a beta-2 microglobulin test.
医生开了β2-微球蛋白检测。

In patients with reduced kidney function, beta-2 microglobulin may accumulate in the blood and can be used alongside other markers to assess renal impairment.
在肾功能下降的患者中,β2-微球蛋白可能在血液中蓄积,并可与其他指标一起用于评估肾功能受损情况。

Etymology / 词源

beta-2 指“β2(第二种β型相关编号)”,常用于生物化学中对亚型/结构特征的标记;microglobulin 由 *micro-*(“微小的”)+ globulin(“球蛋白”,源自拉丁语 globus “球”构成,整体意思是“较小的球蛋白”。该术语主要在免疫学与临床检验语境中使用。

Related Words / 相关词

Literary Works / 文学与著作示例

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在肾脏疾病、血液肿瘤相关检验指标等章节中常提及 β2-微球蛋白。
  • Robbins & Cotran Pathologic Basis of Disease(《罗宾斯与科特兰病理学》):在免疫系统与肿瘤/炎症相关内容中可能出现该指标。
  • Janeway’s Immunobiology(《简明免疫生物学/詹威免疫学》):涉及 MHC I 类分子及相关成分时会提到 β2-微球蛋白。
  • 经典医学期刊综述与研究论文(如 The New England Journal of MedicineThe Lancet 等):关于透析相关并发症(如与 β2-微球蛋白相关的沉积问题)与临床检验应用的文章中常见该词。
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