V2EX aggrecan

Aggrecan

释义 Definition

Aggrecan(聚集蛋白聚糖):一种存在于软骨细胞外基质中的大型蛋白聚糖,能与透明质酸(hyaluronan)连接蛋白(link protein)形成巨大聚集体,强烈吸水,从而赋予软骨抗压与缓冲能力。(该词也常出现在关节、椎间盘与软骨退变相关语境中。)

发音 Pronunciation (IPA)

/rkn/

例句 Examples

Aggrecan helps cartilage resist compression.
聚集蛋白聚糖帮助软骨抵抗压力挤压。

Loss of aggrecan in articular cartilage is a hallmark of osteoarthritis progression, leading to reduced water retention and impaired shock absorption.
关节软骨中聚集蛋白聚糖的流失是骨关节炎进展的重要标志,会导致保水能力下降并削弱减震功能。

词源 Etymology

aggrecan 是生物化学命名中较现代的术语,通常解释为由 aggregate(聚集) 的词根 aggre- 与表示多糖/糖链相关的后缀 -can(可联想到 glycan)组合而成,强调它能与透明质酸等形成大型“聚集体”这一关键结构特征。

相关词 Related Words

文学与文献中的用例 Literary & Notable Works

  • 《Molecular Biology of the Cell》(Bruce Alberts 等):在细胞外基质与蛋白聚糖章节中讨论软骨基质成分(常提及 aggrecan)。
  • 《Principles of Tissue Engineering》:在软骨组织工程与基质分子部分涉及 aggrecan 的结构与功能。
  • 《Junqueira’s Basic Histology》(《基础组织学》):在软骨组织学内容中常将 aggrecan 作为关键基质分子之一提到。
  • 经典软骨蛋白聚糖研究论文与综述(如关于 aggrecan 聚集体结构、降解与骨关节炎机制的文章):aggrecan 作为核心术语频繁出现。
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