写不足促进胰腺管道腺癌的发展和转移
Camino Bermejo-Rodriguez1, Joaquín Araos Henríquez2, Giuseppina Caligiuri3,4
1Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool, United Kingdom.
Cancer research
|July 22, 2024
概括
脚本 (SCRIB) 损失通过增强癌细胞存活率和改变瘤微环境,促进侵袭性胰腺管道腺癌 (PDAC). 减少SCRIB表达与较差的患者结果相关,这表明它在先进的PDAC中起着瘤抑制作用.
科学领域:
- 在瘤学瘤学.
- 细胞生物学 细胞生物学
- 癌症的发病因子 癌症的发病因子
背景情况:
- 细胞极性破坏是胰腺管道腺癌 (PDAC) 进展的关键特征.
- 斯克里布尔 (SCRIB) 是一个极性调节器,在瘤发病过程中发挥了多种作用.
研究的目的:
- 调查SCRIB缺陷在PDAC发展和进展中的作用.
- 在小鼠模型中确定斯克里布切除对瘤启动,入侵和转移的影响.
主要方法:
- 在已建立的PDAC小鼠模型中,Scrib表达的遗传移除.
- 对Scrib-null瘤的免疫组织化学和转录组分析.
- 使用小鼠PDAC有机物 (mPDO) 和PDAC细胞系的体外研究.
主要成果:
- 斯克里布删除与KrasG12D和Trp53异合性删除合作,促进侵入性PDAC和转移.
- 斯克里布-零瘤显示原蛋白减少,癌症相关纤维细胞 (CAFs) 增加,IL1α水平降低.
- 斯克里布损失增强了YAP激活,增加了癌细胞存活率,并损害了CAF激活.
结论:
- 斯克里布缺陷通过细胞自主和非细胞自主机制加速PDAC的发展和进展.
- 人类PDAC中SCRIB表达的减少与较差的患者结局有关.
- 在晚期胰腺癌中,SCRIB作为瘤抑制剂起作用,并可作为预测复发的生物标志物.
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