克服质母细胞瘤内在和获得的temozolomide耐药性:通过ZEB1调节来增强敏感性的潜在策略是fisetin
Sena Ferah1, Mine Çamlıbel1, Melis Erçelik1
1Bursa Uludağ University Faculty of Medicine, Department of Medical Biology, Bursa, Türkiye.
Turkish journal of pharmaceutical sciences
|January 30, 2026
概括
生物黄素fisetin通过减少细胞增殖和克服TMZ耐药性来增强temozolomide (TMZ) 对质母细胞瘤 (GB) 的疗效. 这种组合疗法显示出改善质母细胞瘤治疗结果的希望.
科学领域:
- 在瘤学瘤学.
- 药理学 药理学是指药理学的学科.
- 分子生物学分子生物学
背景情况:
- 质母细胞瘤 (GB) 是一种具有有限治疗选择的侵袭性脑瘤.
- 泰莫佐洛米德 (TMZ) 是针对 GB 的标准化疗剂,但耐药性往往导致治疗失败.
- 研究克服TMZ耐药性的新型治疗策略对于改善患者的治疗结果至关重要.
研究的目的:
- 为了评估生物黄物素对质母细胞瘤 (GB) 细胞生长的影响.
- 为了确定fisetin能否在各种GB模型中克服temozolomide (TMZ) 耐药性.
- 评估菲塞丁对TMZ在初级GB细胞中的疗效及其涉及ZEB1.1的机制的影响.
主要方法:
- 利用已建立和已获得的耐泰莫索洛米德 (TMZ) 抗质母细胞瘤 (GB) 细胞系,与初级GB细胞一起.
- 用TMZ,fisetin或组合治疗的细胞,通过xCELLigence测量增殖和通过伤口愈合试验测量迁移.
- 使用定量PCR评估了表皮细胞转介质 (EMT) 过渡标记ZEB1的RNA表达.
主要成果:
- 菲西显著增强了TMZ的抗癌作用,减少了所有测试的GB细胞系中的细胞增殖和迁移.
- TMZ和fisetin的组合导致ZEB1表达在原发性GB瘤中的显著下调.
- 菲西在耐药模型中通过降低ZEB1的调节,证明了对GB的有效性,并改善了TMZ敏感性.
结论:
- 菲西通过增强敏感性和降低ZEB1的调节来增强TMZ在质母细胞瘤 (GB) 的疗效,这是EMT和药物耐药性的关键因素.
- TMZ和fisetin的组合代表了克服英国治疗耐药性的有希望的策略.
- 菲西具有作为抗癌剂的潜力,可以提高耐药性GB的化疗疗效果,支持个性化治疗方法.
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