相关实验视频

Updated: Jun 7, 2025

Next-generation Sequencing of 16S Ribosomal RNA Gene Amplicons

Next-generation Sequencing of 16S Ribosomal RNA Gene Amplicons

Published on: August 29, 2014

使用下一代测序来表征微生物多样性和性耳炎介质生物标志物

Rieko Ii¹, Emiko Noguchi², Naoto Adachi³

¹Department of Otorhinolaryngology, Head and Neck Surgery, Institute of Medicine, University of Tsukuba, Ibaraki, Japan; Department of Medical Genetics, Institute of Medicine, University of Tsukuba, Ibaraki, Japan.

Auris, nasus, larynx

|November 12, 2024

概括

这项研究确定了Nocardioides作为一种关键生物标志物,用于表性中耳炎 (EOM),这是一种慢性炎症性耳部疾病. 微生物群落的变化,特别是耳膜穿孔,可能解释了EOM.

科学领域:

微生物学微生物学
耳鼻喉科耳鼻喉科耳鼻喉科
炎症性疾病炎症性疾病

背景情况:

乙性中耳炎 (EOM) 是一种慢性炎症状况,通常与喘和鼻息肉有关,经常涉及耳膜穿孔.
目前用于EOM的类固醇治疗在中耳粘膜显著加厚的晚期可能效果较差.
对于EOM的确切病原体仍然很大程度上是未知的,这凸显了对其潜在机制的进一步研究的需要.

研究的目的:

描述与EOM相关的微生物组.
调查EOM患者的微生物社区转移,比较带有和没有耳膜穿孔的患者.
为了确定EOM的潜在微生物生物标志物.

主要方法:

在27名EOM患者和25名对照患者的中耳,鼻和外部听道 (EAC) 样本上进行了16S rRNA基因测序.
在不同组之间分析了微生物组多样性 (α和β) 和差异丰度 (LEfSe).
此外,还评估了微生物同时发生的模式,并比较了EOM和慢性支性中耳炎 (CSOM) 组.

主要成果:

与对照人群相比,EOM患者表现出明显的微生物群特征,与中耳,鼻和EAC中的Nocardioides显著丰富.
在耳膜穿孔的EOM患者中观察到阿尔法和β多样性的减少.
与CSOM相比,nocardioides始终被确定为EOM的重要生物标志物.

结论:

这项研究确定了Nocardioides作为EOM的新生物标志物.
微生物同时发生模式的变化,特别是在耳膜穿孔的情况下,可能会导致EOM的耐火性.
这些发现为EOM病原和潜在的治疗点提供了新的见解.

关键词:

酸性中耳炎的中耳炎.微生物组是一个微生物组.没有心脏化物.tympanic 膜穿孔穿孔膜穿孔

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