V2EX proteoglycan

Proteoglycan

定义 Definition

n. 生物化学名词,指由一个核心蛋白与一条或多条糖胺聚糖链共价连接形成的大分子复合物。蛋白聚糖常见于细胞外基质和细胞表面,许多类型能结合水分、影响组织弹性,并参与细胞信号和基质组织。软骨中的蛋白聚糖是理解组织抗压和保水能力的重要例子。

发音 Pronunciation

/proti.olakn/

例句 Examples

Proteoglycan helps cartilage hold water.
蛋白聚糖帮助软骨保持水分。

Because proteoglycan molecules interact with collagen and water, they contribute to the strength and flexibility of connective tissue.
由于蛋白聚糖分子会与胶原蛋白和水相互作用,它们有助于结缔组织的强度和弹性。

词源 Etymology

由 **proteo-**(与蛋白质有关)和 glycan(多糖、糖链)组成,字面上表示“含蛋白质和糖链的物质”。这个名称反映了其基本结构:核心蛋白连接糖类链。

相关词 Related Words

科学文献用例 Scientific Usage

  • 生物化学和细胞生物学教材中常用来说明糖蛋白、糖胺聚糖和细胞外基质的结构关系。
  • 组织学和结缔组织研究中常用于描述软骨、基底膜和细胞表面分子的功能。
  • 生物医学论文中常见于关于细胞外基质重塑、组织力学、细胞黏附和信号调控的讨论。
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