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Francesco Palestra^1,2, Gina Memoli^1,2, Agnese Secondo³

¹Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Via S. Pansini 5, Naples, 80131, Italy.

Scientific reports

|August 30, 2025

概括

巨细胞释放的组胺对人肺巨细胞 (HLM) 有显著影响. 它触发了促炎细胞因子的释放,反应性氧物种的产生,并损害了自,突出了呼吸道炎症中的关键细胞相互作用.

科学领域:

免疫学
细胞生物学
呼吸系统医学

背景情况:

组胺是过敏反应的关键调解物,主要由巨细胞和基细胞释放.
巨细胞在过敏性疾病中的作用通常被低估,
巨细胞在人类肺部大量存在,并且与巨细胞非常接近,这表明在呼吸道炎症中存在潜在的相互作用.

研究的目的:

研究组胺对高度净化的人类肺巨细胞 (HLM) 的功能活动的影响.
阐明瘤细胞可能释放的组胺在调节呼吸道炎症相关的巨细胞行为中的作用.

主要方法:

从人类肺组织 (HLM) 中净化巨细胞.
用不同的基因组度治疗HLM.
分析细胞因子释放 (IL-6,TNF-α,IL-1β),mRNA表达,活性氧物种 (ROS) 生产,自过程,化学反应和H1受体 (HRH1) 基因表达.

主要成果:

希斯胺诱导了依赖度的促炎细胞因子 (IL-6,TNF-α,IL-1β) 的释放,并通过HRH1提高了HLM中的IL-6mRNA表达.
基因组素迅速刺激ROS的产生,并损害了HLM的自过程.
基因组胺还诱导了化学反应,改变了HLM的运动性质,并提高了HRH1基因表达.

结论:

组胺激活了人类肺部巨细胞的多种促炎途径,这表明它在呼吸道炎症中起着重要作用.
这些发现表明巨细胞与巨细胞之间存在潜在的相互作用,其中胺作为影响巨细胞反应的关键信号分子.
这些结果强调了在过敏呼吸道疾病的背景下考虑巨细胞激活的重要性.

关键词:

过敏症喘症自食化学反应细胞因子炎症发生其他

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