作为炎症性肠病环境触发因子的迪布甲酸的机械证据
Hang Yuan1,2, Gang Chen1, Xuejun Sun1
1Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
iScience
|February 3, 2026
概括
双甲酸 (DBP) 是一种常见的污染物,与炎症性肠病 (IBD) 有关. 这项研究确定LCN2是调解DBP诱导肠炎的关键基因,为IBD研究提供了新的见解.
科学领域:
- 环境毒理学环境毒理学
- 分子生物学分子生物学
- 遗传学 遗传学是一种遗传学.
背景情况:
- 二甲基甲酸盐 (DBP) 是一种广泛存在的环境污染物.
- 连接DBP暴露与炎症性肠病 (IBD) 的分子机制尚不清楚.
研究的目的:
- 通过网络毒理学方法研究DBP和IBD之间的分子联系.
- 确定参与DBP诱导的肠道炎症的关键基因和途径.
主要方法:
- 集成的DBP目标数据库与IBD患者的转录组.
- 利用机器学习和分子对接来预测六个基因的特征.
- 在人类结肠上皮细胞 (NCM460) 中验证了预测,并使用siRNA进行基因沉默.
主要成果:
- 一个核心的六基因特征 (KYNU,PCK1,LCN2,CDC25B,EPHB4,SORD) 被计算预测.
- 暴露于DBP会诱导炎症,并对NCM460细胞中的这些基因进行上调.
- LCN2被确定为一个关键的功能调解器,因为它的沉默减轻了DBP诱导的炎症.
结论:
- 暴露于DBP会通过特定的分子通路促进肠道炎症.
- LCN2在调解对DBP的炎症反应方面发挥着至关重要的作用.
- 综合网络毒理学方法有效地识别了与疾病相关的基因和IBD的环境风险因素.
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