通过PI3K/mTORC2/AKT通路激活,FAM64A增强了膀癌的瘤发生和转移
Tao Zhu1,2, Cen Liufu1,2, Cong Yin3
1Department of Urology, Peking University Shenzhen Hospital, Institute of Urology, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen 518036, China.
FAM64A通过PI3K/AKT通路驱动上皮质-介质酶过渡,促进膀癌的进展. 这一发现确定了FAM64A作为晚期膀癌的潜在生物标志物和治疗点.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 癌症研究 癌症研究
背景情况:
- 在包括乳腺癌和前列腺癌在内的各种癌症中,FAM64A过度表达,它通过表皮-介质酶过渡 (EMT) 促进瘤发生.
- 虽然其在其他癌症中的作用已经确立,但FAM64A在膀癌 (BLCA) 中的特定功能,特别是预后不佳的肌肉侵入性BLCA (MIBC),仍然在很大程度上未被探索.
- 这项研究研究了FAM64A在BLCA中的分子机制和治疗含义.
研究的目的:
- 阐明FAM64A在膀癌的发病和进展中的作用.
- 在BLCA中识别由FAM64A调节的分子通路.
- 评估FAM64A作为一种潜在的预后生物标志物和BLCA的治疗点.
主要方法:
- 在BLCA组织和TCGA数据中分析了FAM64A表达.
- 执行功能测定 (CCK-8,伤口愈合,Transwell) 以评估FAM64A调制的扩散,迁移和入侵.
- 采用了EMT标记物和PI3K/AKT通路蛋白的西方抹杀方法,以及生物信息学 (TCGA/GTEx) 和KEGG通路分析;用PI3K/AKT抑制剂 (Taselisib) 验证了研究结果.
主要成果:
- 在BLCA中,FAM64A显著上调,与晚期瘤阶段,T阶段和等级相关.
- 抑制FAM64A抑制了扩散,迁移和入侵,而过度表达增强了这些恶性表型.
- 通过PI3K/mTORC2/AKT通路,FAM64A促进了细胞周期G2/M进展和EMT通过维门丁/斯拉格,与PI3K/mTORC2/AKT通路相关;Taselisib逆转了这些影响.
结论:
- 通过PI3K/mTORC2/AKT信号通路促进EMT,FAM64A驱动膀癌的进展.
- FAM64A作为BLCA的潜在预后生物标志物.
- 向FAM64A是转移性膀癌的潜在治疗策略.
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