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通过生物信息学方法识别结核病中与铁亡相关的关键基因

Wenchuan Zhang¹, Dongxue Zhu², Hong Jiang³

¹No.5 Cadet Regiment, School of Basic Medical, Air Force Medical University, Xi'an, 710032, Shaanxi, China.

|February 21, 2025

概括

这项研究确定了与Mycobacterium tuberculosis感染有关的关键铁灭相关基因,揭示了它们在疾病发病和免疫细胞激活中的作用. 这些发现为结核病机制提供了新的见解.

科学领域:

基因组学就是基因组学.
免疫学免疫学免疫学
病变的发生和发病.

背景情况:

由Mycobacterium tuberculosis (Mtb) 引起的结核病 (TB) 仍然是一个全球健康威胁.
铁亡是一种受调节的细胞死亡形式,在结核病发病过程中起着重要作用,但其机制尚未完全理解.

研究的目的:

使用生物信息学识别和验证与Mtb感染相关的与铁亡相关的基因 (Ferr-sDEGs).
阐明这些基因在结核病原发生中的作用及其与免疫细胞的相互作用.

主要方法:

使用基因表达综合 (GEO) 数据集 (GSE174566,GSE227851,GSE20050) 用于差异性基因表达分析.
交叉差异表达基因 (DEGs) 与铁亡数据库.
进行了途径分析,蛋白与蛋白相互作用 (PPI) 网络构建,免疫细胞透分析和定量实时PCR (qRT-PCR) 验证.

主要成果:

在两个数据集之间确定了11个与铁灭相关的共享DEG (Ferr-sDEG),其中9个在第三个数据集中得到验证.
发现关键的Ferr-sDEGs在Mtb感染期间对铁死至关重要,并且似乎独立地起作用,这表明不同的铁死诱导途径.
分析表明,这些关键的Ferr-sDEGs可以激活各种类型的免疫细胞.

结论:

铁亡是结核病的发病过程中的一个关键过程.
IL1B,PTGS2,TNFAIP3,HMOX1,SOCS1,CD82和NUPR1被确定为Mtb诱导的铁亡中的潜在重要基因.
这些发现为进一步研究针对铁亡的结核病治疗策略提供了基础.

关键词:

结核病菌菌菌的结核病菌的结核病菌.生物信息学是一种生物信息学.铁化是铁化的一种.巨细胞是一个巨细胞.结核病是一种疾病.

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