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富索细菌核酸菌通过ceRNA网络介导的表观遗传重编程加剧动脉样硬化进展
Keyi Zhang1, Lin Liu2, Peiyao Wu1
1State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
Genomics
|December 27, 2025
概括
杆菌核菌感染通过改变非编码RNA使动脉样硬化恶化. 这项研究揭示了关键的调节途径,涉及循环RNA,长非编码RNA和影响脂质代谢和斑块稳定的微RNA.
科学领域:
- 心血管生物学 心血管生物学
- 微生物学 微生物学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- 福索细菌核是一种牙周病原体,在动脉样硬化斑块中发现.
- 通过F. nucleatum影响动脉样硬化的表观遗传机制尚不清楚.
研究的目的:
- 为了研究F. nucleatum如何改变动脉样硬化中的非编码RNA格局.
- 通过表观遗传调节阐明F.核在推动动脉样硬化进展中的作用.
主要方法:
- 动脉样硬化的ApoE-/-小鼠模型感染了F. nucleatum.
- 进行了动脉组织的全转录组测序.
- 构建了一个竞争的内源RNA (ceRNA) 网络.
主要成果:
- 核菌感染显著增加了动脉样损伤面积和死核比率,同时降低了原蛋白含量.
- 转录组测序揭示了mRNA,miRNA,circRNA和lncRNA的差异表达.
- 确定了两个关键的调节轴,涉及circRNAs,lncRNAs,miRNAs和与自相关的基因.
结论:
- 通过重塑非编码RNA配置文件,F. nucleatum感染会加剧动脉样硬化.
- 特定的circRNA-lncRNA-miRNA基因轴有助于F.核驱动的动脉样硬化.
- 这些发现为动脉样硬化的病变产生提供了新的见解.
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