V2EX pannexin

Pannexin

释义 Definition

Pannexin(泛连接蛋白):一种存在于动物细胞膜上的通道相关蛋白家族(常见成员如 Pannexin 1/2/3),可形成大孔径通道,参与细胞间信号传递(例如 ATP 释放)、炎症反应与神经/免疫调控等过程。(该词主要用于生物医学语境)

发音 Pronunciation (IPA)

/pnksn/

例句 Examples

Pannexin 1 is found in many tissues.
Pannexin 1 在许多组织中都能发现。

Under inflammatory stress, pannexin channels can open and promote ATP release, which may amplify immune signaling.
在炎症应激下,pannexin 通道可能打开并促进 ATP 释放,从而放大免疫信号传导。

词源 Etymology

pannexin 为现代科学命名词,构词上常被解释为 pan-(“广泛、普遍”)+ connexin(连接蛋白家族名) 的类比式命名,用来强调它与细胞“连接/通讯”相关、且分布较广;尽管名称与 connexin 相似,但 pannexin 与传统的缝隙连接(gap junction)机制并不完全相同,常以“膜通道/半通道样”功能被讨论。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Pannexins: novel gap junction-like proteins(最早系统提出与命名 pannexin 家族的代表性研究之一,生物医学期刊论文)
  • Pannexin 1 channels: roles in inflammation and immunity(关于 Panx1 与炎症/免疫信号的综述类论文题材,常见于免疫与细胞生物学期刊)
  • Pannexin channels and purinergic signaling(围绕“pannexinATP 释放嘌呤能信号”的经典研究主题,多见于神经科学与细胞通讯方向期刊)
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