在患有急性胰腺炎的患者中,无细胞DNA过甲基化
Hassan Al-Mashat1, Daniel Roger Baddoo1, Søren Lundbye-Christensen2
1Department of Gastrointestinal Surgery, Aalborg University Hospital, 9000 Aalborg, Denmark.
International journal of molecular sciences
|November 13, 2025
概括
急性胰腺炎 (AP) 患者在疾病发作时表现出较高的无细胞DNA (cfDNA) 过甲基化,随着时间的推移正常化. 这种cfDNA高甲基化与AP严重性标志物如CRP和住院有关.
科学领域:
- 生物化学 生物化学
- 遗传学 遗传学 是一个
- 临床诊断 临床诊断 临床诊断
背景情况:
- 无细胞DNA (cfDNA) 促进剂高甲基化是胰腺癌的潜在生物标志物.
- 在急性胰腺炎 (AP) 中也可能发生类似的表观遗传变化.
研究的目的:
- 为了研究AP患者的纵向cfDNA高甲基化概况.
- 为了比较AP患者的cfDNA高甲基化与健康对照组.
- 评估cfDNA高甲基化和AP严重性标志物之间的关联.
主要方法:
- 预期纵向研究设计.
- 包括住院的AP患者和健康对照.
- 在多个时间点 (T0,T6W,T6M,T8Y) 血中的23基因组的甲基化特异性PCR分析.
- 评估与临床标志物的关联:CRP,白细胞计数,肌素,住院和并发症.
主要成果:
- 与对照组相比,AP患者在疾病发病时 (T0) 呈现出显著更高的平均高甲基化基因 (7.4对3.3;p < 0.01).
- 过甲基化基因的平均数量随着时间的推移而减少,在发病后7-8年 (T8Y) 恢复正常.
- 总甲基化过度与CRP (ρ = 0.39),白细胞计数 (ρ = 0.35) 和住院时间 (ρ = 0.27) 有正相关.
结论:
- 在疾病发作时,AP的特征是显著增加cfDNA高甲基化.
- 在AP患者中,cfDNA高甲基化水平往往会在长时间的随访期间正常化.
- cfDNA高甲基化程度与AP严重程度的关键指标相关.
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