[性结肠炎患者中与铁死相关基因的诊断和预测价值]
Rongmao He1, Zeyang Fang1, Yunyun Zhang1
1Department of Gastroenterology, Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China.
Nan fang yi ke da xue xue bao = Journal of Southern Medical University
|September 29, 2025
概括
与ferroptosis相关的基因显示出诊断和预测性结肠炎 (UC) 的前景. 在人类数据集和UC小鼠模型中,P4HB,PPARG和STAT3等关键基因被确定为有价值的生物标志物.
科学领域:
- 基因组学和分子生物学
- 免疫学 免疫学 免疫学
- 胃肠病学 胃肠病学
背景情况:
- 性结肠炎 (UC) 是一种具有复杂病原性的慢性炎症性肠病.
- 铁亡是一种受调节的细胞死亡形式,越来越多地与炎症性疾病有关.
- 确定可靠的UC诊断和预后生物标志物对于有效管理至关重要.
研究的目的:
- 调查性结肠炎中与铁死相关的基因的诊断和预测潜力.
- 为了确定关键的铁亡相关基因及其在UC病变发生中的作用.
- 在UC小鼠模型中评估候选基因的表达模式.
主要方法:
- 来自GEO数据库的UC数据集的差异基因表达分析.
- 使用FerrDb数据库和功能丰富分析选与铁亡相关的基因.
- 使用CIBERSORT构建蛋白质-蛋白质相互作用网络以识别枢纽基因和分析免疫细胞透.
- 在训练组中的诊断值的验证和通过qPCR在UC小鼠模型中的基因表达分析.
主要成果:
- 确定了与铁亡相关的76个差异表达的基因,富含铁亡和缺氧通路.
- 确定了10个枢纽基因,其中9个在UC表达增加;27种免疫细胞类型在UC显著升高.
- 在UC小鼠的结肠组织中,P4HB,PPARG和STAT3具有最强的UC预测值;PPARG表达减少,而P4HB和STAT3增加.
结论:
- 与ferroptosis相关的基因对性结肠炎具有重要的诊断和预测价值.
- 特定的基因,包括P4HB,PPARG和STAT3,可能作为UC的潜在生物标志物.
- 进一步研究铁化在UC病变发生中的作用可能会导致新的治疗策略.
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