氨酸改性二维共价有机框架用于有针对性和可持续的药物输送
Siddhartha Samanta1, Nilkamal Pramanik2, Nitesh Singh1
1Department of Chemistry, Birla Institute of Technology (BIT)─Mesra, Ranchi, Jharkhand 835215, India.
ACS applied bio materials
|August 4, 2025
概括
这项研究开发了用 hialuronic acid 修改的共价有机框架 (COFs),用于增强癌症药物输送. 这些纳米粒子显示了细胞吸收的改善和对乳腺癌细胞的显著抗瘤活性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 生物医学工程 生物医学工程
背景情况:
- 聚合有机框架 (COF) 具有很高的表面积和能量,适合生物分子吸附和细胞传递.
- COFs的治疗应用和有效性,特别是在药物输送中,仍未得到充分研究.
- 表面修饰是提高纳米材料生物相容性和向性的关键策略.
研究的目的:
- 开发一种新的药物输送系统,使用修改后的COF用于癌症治疗.
- 为了研究纤维吸收和治疗疗效的氨酸结合COFs.
- 评估多克索鲁比载荷的HA-P纳米颗粒对乳腺癌细胞的抗瘤活性.
主要方法:
- 用氨酸 (HA) 修改基于烯-氨酸的COF (P) 的表面.
- 使用UV-Vis,FTIR和光显微镜对HA-P纳米粒子进行表征.
- 在表达CD44的MDA MB231乳腺癌细胞中细胞吸收的评估.
- 在实验室中对载有多鲁的HA-P纳米颗粒的抗瘤活性进行评估.
主要成果:
- 通过光谱和显微分析证实了HA的修饰.
- 在MDA MB231细胞中增加HA-P纳米颗粒的细胞吸收,毒性最小.
- 含多克索鲁比的HA-P纳米粒子在体外具有显著的抗瘤活性,其性能优于未经修改的COF和自由多克索鲁比.
- 即使在较低的多克索鲁比辛度下,也观察到有效的癌细胞杀死.
结论:
- 氨酸修饰增强了基于COF的纳米颗粒的细胞内化.
- 开发的HA-P纳米粒子代表了癌症治疗的有前途的多功能药物输送系统.
- 这种方法证明了卓越的抗瘤疗效,突出显示了改性COF在纳米医学中的潜力.
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