生物仿真黑纳米片代码肝素CDK9和BRD4抑制剂用于胃癌向治疗的向治疗
Zhe Zhang1, Xiaoyi Zhang1, Zhaojun Ren1
1Department of Pathology, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, P. R. China. loukexin@njmu.edu.cn.
Journal of materials chemistry. B
|June 22, 2023
概括
大细胞封装的黑色纳米片 (M@BP) 共同提供胃癌的BRD4和CDK9抑制剂. 这种向治疗增强了抗瘤活性,特别是近红外辐射,显示瘤生长和毒性减少.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 在瘤学瘤学.
背景情况:
- 同时抑制BRD4和CDK9降低MYC和抗亡基因的调节,诱导癌细胞亡.
- 瘤向输送和兼容的药理动力学对于BRD4和CDK9抑制剂的有效同时输送至关重要.
- 胃癌 (GC) 表现出BRD4和CDK9的高表达,使其成为联合抑制治疗的潜在标.
研究的目的:
- 开发一种针对BRD4抑制剂 (BI) 和CDK9抑制剂 (CI) 的胃癌 (GC) 治疗的有针对性的联合递送系统.
- 研究由光疗增强的同时提供BI和CI的协同抗瘤效应.
- 评估菌体膜封装黑色纳米片 (M@BP) 的有效性和安全性,在一个正极体GC模型中.
主要方法:
- 巨细胞膜被用来封装装载有CI和BI (M@BP) 的黑色纳米片 (BP).
- 在BP纳米片的特点是药物加载效率和生物相容性.
- 评估M@BP的抗瘤功效是在小鼠正位素GC模型中进行的,有和没有近红外 (NIR) 辐射.
主要成果:
- M@BP对CI和BI均表现出高的药物加载效率,并有效降低了MYC瘤基因表达.
- M@BP表现出瘤向能力,在瘤组织中积累,并在NIR照射时显示光热效应.
- 与单个抑制剂相比,通过M@BP同时提供CI和BI显著抑制了瘤进展,在NIR照射下提高了疗效,系统毒性最小.
结论:
- M@BP作为一个有效的平台,共同提供CI和BI,利用巨细胞膜的准能力和BP的光热特性.
- 这种有针对性的纳米医学方法显示出强大的抗瘤活性,对抗胃癌,特别是与NIR光疗相结合时.
- 在胃癌治疗中,M@BP系统提供了一种有前途的策略,以提高BRD4和CDK9联合抑制的治疗结果,并改善了安全性.
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