Int Arch Allergy Immunol:Zeste同源体2增强子的表观修饰能够调节树突细胞的激活

2019-07-10 AlexYang MedSci原创

过敏原免疫疗法(AIT)是目前过敏性鼻炎(AR)唯一的病因学和可能的治愈疗法。最近,有研究人员探索调查了AIT中,表观调节因子zeste同源体2增强子(EZH2)在树突细胞(DCs)激活中的作用。研究包括了56名AR患者的临床信息,他们均接受了AIT治疗。其中,30名受试者进行的是皮下免疫治疗(SCTI),26名受试者进行的是舌下免疫治疗(SLIT)。研究发现,EZH2的表达在循环mDCs和pDC

过敏原免疫疗法(AIT)是目前过敏性鼻炎(AR)唯一的病因学和可能的治愈疗法。最近,有研究人员探索调查了AIT中,表观调节因子zeste同源体2增强子(EZH2)在树突细胞(DCs)激活中的作用。

研究包括了56名AR患者的临床信息,他们均接受了AIT治疗。其中,30名受试者进行的是皮下免疫治疗(SCTI),26名受试者进行的是舌下免疫治疗(SLIT)。研究发现,EZH2的表达在循环mDCs和pDCs中均与AIT的治疗时间呈现负相关关系(分别为r=-0.39, p=0.003和r=-0.47, p=0.0002)。更多的是,在mDCs(r=-0.42, p=0.02 vs. r=-0.23, p=0.26)和pDCs(r=-0.52, p=0.003 vs. r=-0.33, p=0.10)中,EZH2的表达与AIT治疗时间在SCIT组中要比SLIT组具有更高的相关性。体外试验中,moDCs的共刺激分子,比如CD80、CD86和CD83均被DZNep显著抑制,并且是剂量依赖的方式。另外,-DC驱使的T细胞增殖同样也被DZNep抑制(MD=22.88, 95% CI 7.809-37.96, p<0.05)。

最后,研究人员指出,他们的研究表明了EZH2在DCs的激活中是需要的,并能够调节AIT中的表观修饰,也强调了AIT治疗期间患者依从性的重要性。

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    2020-02-23 tulenzi
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    2019-07-12 膀胱癌
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    2019-07-12 zhangyxzsh

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