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表观遗传学和Wnt信号通路在性结肠炎中的表达
Zuhal Altintas1, Mehmet Emin Erdal2, Engin Altintas3
1Department of Medical Genetics, Mersin University Faculty of Medicine, Mersin, Türkiye.
在性结肠炎患者中分析了分泌的状相关蛋白 (SFRPs) 和APC2基因甲基化和表达. 观察到改变的SFRP4甲基化和增加的APC2甲基化,这表明与炎症和潜在的癌症风险有关.
科学领域:
- 分子生物学分子生物学
- 胃肠病学 胃肠病学
- 在瘤学瘤学.
背景情况:
- 分泌的纹相关蛋白 (SFRPs) 反对Wnt信号传递,并通过促进物甲基化被静止,导致通路过度激活.
- 异常的Wnt信号与癌症的发展有关.
- 在炎症性肠病 (IBD) 中调查Wnt通路基因甲基化和表达对于了解癌症风险至关重要.
研究的目的:
- 评估甲基化与Wnt信号通路基因表达之间的关系.
- 评估这些分子变化与炎症性肠病 (IBD) 患者的癌症风险之间的关联.
主要方法:
- 在结肠组织样本中分析了Wnt通路基因 (APC1A,APC2,SFRP1,SFRP2,SFRP4,SFRP5) 的甲基化和基因表达.
- 与性结肠炎 (UC) 患者进行监视结肠镜检查,并与健康对照进行比较.
- 检查了炎症和非炎症的组织区域.
主要成果:
- 与对照组相比,在UC患者的靠近结肠中发现了SFRP4甲基化状态和表达之间的显著相关性 (P = .018).
- 在UC患者中,APC2基因甲基化明显高 (40%) 比对照组 (6.7%) (P = .018).
- 对于其他Wnt通路基因,在甲基化,表达和炎症状态方面没有发现显著的关联.
结论:
- 性结肠炎的炎症可能与APC2甲基化的增加和基因表达的减少有关,可能是由于SFRP4甲基化的改变.
- 需要进一步的研究来确认这些分子变化与性结肠炎相关的瘤之间的关联.
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