在性结肠炎的发病过程中,生物信息学分析了氧化应激基因,基于竞争的内源性RNA调节网络

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Qifang Li¹, Yuan Liu², Bingbing Li²

¹Department of Traditional Chinese Medicine, Affiliated Hospital of Jining Medical University, Jining, Shandong, China.

|August 20, 2024

概括

这项研究构建了一个基因网络,以识别性结肠炎 (UC) 中的氧化压力相关基因. SLC7A5被确定为UC治疗的潜在治疗标,特别是在葡萄糖皮质醇耐药的情况下.

科学领域:

基因组学就是基因组学.
生物信息学是一种生物信息学.
分子生物学分子生物学

背景情况:

性结肠炎 (UC) 是一种普遍存在的慢性炎症性疾病.
氧化应激在UC病变发生过程中起着重要作用.
了解UC背后的分子机制对于开发有效的治疗方法至关重要.

研究的目的:

构建一个长的非编码RNA (lncRNA) -微RNA (miRNA) -信使RNA (mRNA) 调控网络.
确定与UC相关的关键氧化压力相关基因.
探索UC的潜在治疗点.

主要方法:

从基因表达综合数据库下载了基因表达数据集 (GSE75214,GSE48959,GSE114603).
使用生物信息学工具进行差异表达分析并构建了lncRNA-miRNA-mRNA网络.
使用分子签名数据库 (MSigDB) 识别了与氧化压力相关的基因,并在DSS诱导的UC小鼠模型中验证了发现.

主要成果:

建立了一个IncRNA-miRNA-mRNA网络,包括30个DE-lncRNA,3个DE-miRNA和19个DE-mRNA.
确定了三个关键的与氧化压力相关的基因 (CAV1,SLC7A11,SLC7A5) 并与miR-194.4负相关.
在UC小鼠模型中,用德克萨米他治疗降低了CAV1,SLC7A11和SLC7A5的表达,改善了UC组织学和减少炎症.

结论:

CAV1,SLC7A11和SLC7A5都涉及UC病变,与免疫炎症和类固醇激素合成有关.
SLC7A5被确定为一种与UC中葡萄糖皮质类药物治疗耐药性相关的基因.
SLC7A5代表了临床UC治疗的潜在新型治疗标.

关键词:

生物信息学分析炎症炎症是一种炎症.这是一个LncRNA-miRNA-mRNA网络.氧化应激是一种氧化应激.在SLC7A5A5A5A5A5A5A5A5A5A5A5A5 性结肠炎是一种

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