V2EX desmin

Desmin

定义 Definition

desmin(结蛋白):一种存在于骨骼肌、心肌和平滑肌细胞中的中间丝(intermediate filament)蛋白,主要作用是维持肌细胞内部结构稳定,帮助肌原纤维与细胞骨架“连接/对齐”。在病理诊断中,desmin 免疫染色常用于提示肌源性肿瘤或分化。

发音 Pronunciation (IPA)

/dzmn/

例句 Examples

Desmin helps keep muscle cells strong.
结蛋白有助于维持肌细胞的强度与稳定。

In immunohistochemistry, desmin positivity can support a diagnosis of a tumor with muscle differentiation.
在免疫组织化学中,结蛋白阳性可支持“具有肌分化的肿瘤”的诊断判断。

词源 Etymology

desmin 来自希腊语词根 desm- / desmos,意为“束缚、连接、纽带”,加上蛋白命名常见后缀 -in,整体含义与其“连接并支撑肌细胞结构”的功能相呼应。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

由于 desmin 属于生物医学术语,更多出现于权威教材与科研写作中,例如:

  • Robbins and Cotran Pathologic Basis of Disease(《Robbins 病理学基础》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Wheater’s Functional Histology(《Wheater 功能组织学》)
  • 以及大量肌肉生物学与肿瘤病理学相关的期刊论文(常见于“desmin immunostaining/positive”等表述)
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