在患有喘的儿童和青少年中,鼻上皮质基因表达和总IgE
Zhongli Xu1, Erick Forno2, Yidan Sun3
1Division of Pulmonary Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pa; Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pa; School of Medicine, Tsinghua University, Beijing, China.
这项研究确定了与年轻人,特别是患有喘的人的IgE总水平相关的鼻上皮基因. 研究结果表明,喘发病过程中存在神经免疫连接.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
- 呼吸系统医学 呼吸系统医学
背景情况:
- 鼻上皮质基因表达和年轻人的总IgE尚未得到充分理解.
- 识别这些因素对于了解青少年的呼吸系统健康至关重要.
研究的目的:
- 根据年轻个体的总IgE水平,在鼻膜上发现基因的表达不同.
- 将这些基因分组成模块,并将它们与特定的呼吸道上皮细胞类型联系起来.
主要方法:
- 在469名波多黎各青年 (9-20岁) 上进行了全转录组协会研究.
- 分析了对总IgE的差异性基因表达,在三个队列中进行复制.
- 用同表达分析创建基因模块,并通过单细胞RNA测序数据映射到气道上皮细胞.
主要成果:
- 对总IgE的基因 (DEGs) 的差异表达在喘患者 (1179) 中比在所有受试者中 (631) 更多.
- 在喘患者中,DEGs形成了11个模块;顶部模块与总IgE相关,与肌上皮和粘液细胞映射.
- 该模块由IL-4,IL-5,IL-13和IL-33调节,其中关键基因包括CDH26,FETUB和NTRK2.
结论:
- 患有喘的年轻人鼻上皮质基因表达模式与总IgE有关.
- 这些发现支持神经免疫相互作用在青少年喘中IgE总量调节中的作用.
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