MiR-107及其与室内灰尘虫敏感性的关联:对喘的影响
Byung-Keun Kim1,2, Min-Suk Yang1,3, Upasna Srivastava1,4
1Division of Pediatric Respiratory Medicine, Department of Pediatrics, University of California San Diego, La Jolla, California, USA.
概括
微RNA-107 (miR-107) 与患有喘的儿童中的家尘虫敏感性有关. 这种敏感性间接地通过miR-107.7影响总IgE和乙素细胞计数.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 遗传学 是一个
- 分子生物学分子生物学
背景情况:
- 微RNAs (miRNAs) 在过敏性疾病中起作用.
- 微RNAs对小儿喘中的过敏原敏感性的影响尚不清楚.
研究的目的:
- 在被诊断患有喘的儿童中识别与室内灰尘 (HDM) 敏感性相关的特定miRNA.
- 研究已识别的miRNAs与临床喘表型之间的关系.
主要方法:
- 在哥斯达黎加喘遗传学研究 (GACRS) 中,来自1126名喘儿童的血清样本被分析为304个miRNAs.
- 在HDM敏感和非敏感组之间进行了差异表达分析,随后进行了基因丰富分析.
- 在儿童喘管理计划 (CAMP) 队列中进行了复制分析,调解分析探索了miRNA-表型关系.
主要成果:
- 在GACRS中,在HDM敏感和非敏感儿童之间有17个miRNA的差异表达,其中miR-107,let-7c-5p和miR-642a-3p是最显著的.
- 在对HDM敏感的儿童中,miR-107的表达显著增加,并在CAMP队列中复制.
- 调解分析显示,miR-107对乙氨基基细胞数和总IgE有间接影响,由HDM敏感化调解.
结论:
- miR-107与儿科喘中的HDM敏感性显著相关.
- miR-107作为一种间接的调解剂,将HDM敏感性与高的总IgE和乙氨基酸细胞数量联系起来.
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