SphK 抑制剂 ZFP-B34 抑制了 TNBC 细胞的生长
Bingqing Cui1,2, Jianming Wei1,2,3, Huiting Peng1,2
1Department of Pharmacy (Shandong Provincial Key Traditional Chinese Medical Discipline of Clinical Chinese Pharmacy), Shandong Cancer Hospital and institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, P. R. China.
Biological & pharmaceutical bulletin
|August 6, 2025
概括
一种新型化合物ZFP-B34在三阴性乳腺癌 (TNBC) 中有效抑制了斯芬哥辛激酶1/2 (SphK1/2). 这种双重抑制剂阻止了癌细胞的生长和迁移,为TNBC提供了一个有前途的治疗策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物化学 生化学
背景情况:
- 斯芬哥辛激酶1/2 (SphK1/2) 是乳腺癌发病和进展的关键驱动因素.
- 三阴性乳腺癌 (TNBC) 仍然是一个具有挑战性的亚型,目标治疗有限.
研究的目的:
- 确定和评估一种新型SphK抑制剂ZFP-B34,其在TNBC中的抗瘤潜力.
- 阐明ZFP-B34对TNBC的疗效背后的分子机制.
主要方法:
- 计算机分子对接被用来选SphK抑制剂.
- 试验室试验评估了ZFP-B34对TNBC细胞系SphK1/2活性,细胞增殖,细胞周期,迁移,ROS产生,线粒体功能和DNA损伤的影响.
- 在体内研究评估了ZFP-B34在小鼠TNBC全移植模型中的疗效.
主要成果:
- ZFP-B34显示出SphK1/2的强有力的双重抑制,导致TNBC细胞中的陶胺积累和Sphingosine 1酸盐 (S1P) 耗尽.
- 该化合物有效地抑制了TNBC细胞的增殖,迁移和诱导细胞循环停止.
- 通过ROS的产生,线粒体功能障碍和DNA损伤,ZFP-B34触发了亡,同时调节了Akt-mTOR和JNK信号通路.
- 在体内,ZFP-B34显著抑制了4T1全移植小鼠模型中的瘤生长.
结论:
- ZFP-B34是一种有前途的SphK1/2双抑制剂,具有显著的体外和体内瘤抗瘤活性.
- 用ZFP-B34针对SphK1/2代表了管理TNBC进展的可行治疗策略.
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