J Immunol:过敏性鼻炎患者鼻过敏原挑战外周血免疫基因特性调查

2017-10-24 AlexYang MedSci原创

鼻过敏原挑战(NAC)是过敏性鼻炎(AR)的一种人类模型,具体是通过局部地接种标准的过敏原到鼻粘膜上,从而引起临床症状以及生物样本的搜集,比如外周血的搜集。尽管许多研究集中在了局部炎症位点,一个重要的调控子和系统免疫响应的成员-外周血在AR中却并没有很好的研究。最近,有研究人员调查了在患有AR的病人经历NAC之后,外周血中免疫基因的特性。研究人员在NAC处理期间搜集了临床症状信息和外周血样本,并利

鼻过敏原挑战(NAC)是过敏性鼻炎(AR)的一种人类模型,具体是通过局部地接种标准的过敏原到鼻粘膜上,从而引起临床症状以及生物样本的搜集,比如外周血的搜集。尽管许多研究集中在了局部炎症位点,一个重要的调控子和系统免疫响应的成员-外周血在AR中却并没有很好的研究。

最近,有研究人员调查了在患有AR的病人经历NAC之后,外周血中免疫基因的特性。研究人员在NAC处理期间搜集了临床症状信息和外周血样本,并利用模糊c均值聚类方法鉴定了免疫基因在不同时间点(在NAC之前1和2小时以及NAC后6小时)的表达模式。研究人员鉴定和确定了NAC处理后的7种差异化表达的免疫基因聚类。在抗原挑战后,聚类2、3和4与嗜中性粒细胞、淋巴细胞频率和嗜中性粒细胞/淋巴细胞比例相关。聚类的模式和免疫细胞频率与AR患者的临床症状相关,并且与健康非过敏且经历NAC的参试者具有显著的差异。

最后,研究人员指出,他们的方法鉴定了免疫基因在血液中的表达可作为一种系统免疫响应与NAC后的临床症状相关这一动态特性。免疫基因特性也许允许人们对AR病理生理进行具有代表性的调查,并且结合NAC模型,也许是AR诊断和治疗的有用的潜在方法。

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    2017-10-25 1ddf0692m34(暂无匿称)

    学习了.涨知识

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