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Updated: Jul 6, 2025

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艾滋病诱导的CXCL12上调会通过稳定β-catenin表达来增强割抵抗性前列腺癌细胞转移
Qi Li1,2, Jinfeng Fan3, Zhiyan Zhou3
1Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China.
iScience
|January 1, 2024
概括
激活诱导的丁脱氨酶 (AID) 通过增加DNA脱甲基化来促进前列腺癌 (PCa) 转移. 向AID可能为抵抗割的前列腺癌 (CRPC) 提供一种新的治疗策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 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:
- 前列腺癌 (PCa) 进展为抵抗割的前列腺癌 (CRPC) 与预后不佳和细胞因子甲基化异质性增加有关.
- 激活诱导的cytidine deaminase (AID),以抗体多样化而闻名,通过脱甲基化与疾病进展和基因调节有关.
- 艾滋病在PCa病变发生中的特定作用在很大程度上仍未被探索.
研究的目的:
- 研究AID在前列腺癌进展中的作用和机制,特别是在抵抗割的前列腺癌 (CRPC) 中.
- 为了确定AID表达,甲基化模式和PCa中的转移潜力之间的关系.
主要方法:
- 在PCa患者样本和细胞系中AID表达的分析 (CRPC与HSPC).
- 在AID表达和E-cadherin水平之间的相关性分析.
- 调查AID对CXCL12脱甲基化的影响及其对Wnt/β-catenin信号传递和上皮-介质酶过渡 (EMT) 的下游影响.
主要成果:
- 与激素敏感前列腺癌 (HSPC) 细胞相比,AID表达在PCa组织中显著上调,在CRPC细胞中显著高.
- 艾滋病表达与E-cadherin表达负相关,这是表皮分化的标志物.
- 艾滋病诱导CXCL12的去甲基化,随后稳定了β-catenin并促进了EMT,促进了转移.
结论:
- 艾滋病在通过表观遗传修饰 (脱甲基化) 来驱动CRPC转移方面发挥着关键作用,这些基因包括CXCL12.
- 通过AID调节Wnt信号和EMT的稳定,有助于CRPC的攻击性表型.
- 辅助药物代表了克服CRPC转移的潜在治疗目标.
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