质母细胞瘤向的,局部和持续的药物递送系统基于一种非常规的脂质纳米囊水凝
Claire Gazaille1, Elia Bozzato2, Neda Madadian-Bozorg3
1Univ Angers, Inserm, CNRS, MINT, SFR ICAT, F-49000 Angers, France.
Biomaterials advances
|July 15, 2023
概括
这项研究开发了一种新型的水凝,载有凝素脂质纳米囊 (LNC) 和向 (NFL) 用于质母细胞瘤 (GBM) 治疗. 在临床前模型中,NFL-增强了LNC输送,改善了GBM细胞向,并减少了瘤复发.
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:
- 质母细胞瘤 (GBM) 带来了重大治疗挑战,往往需要多式疗法.
- 在手术切除和辅助放射化疗之间保持治疗药物水平对于GBM患者的结果至关重要.
- 现有的治疗方法在向残留瘤细胞和预防复发方面存在局限性.
研究的目的:
- 开发一种可植入的治疗水凝,用于在GBM患者中持续提供药物.
- 通过使用质功能化脂质纳米囊 (LNC) 增强质母细胞瘤细胞的向.
- 在临床前的GBM模型中评估开发的水凝的疗效.
主要方法:
- 用gemcitabine装载的脂质纳米囊 (LNC) 的配方,并将其纳入水凝矩阵中.
- NFL-TBS.40-63 (NFL) 与LNC的关联,以改善GBM细胞向.
- 在体外评估LNC内部化,细胞毒性和吸附.
- 在活体中评估水凝在小鼠GBM切除模型中的疗效,以评估瘤复发.
主要成果:
- 该NFL瞬间被LNC表面吸附,而不会改变水凝的特性,并且在水凝溶解后保持稳定.
- 实验室研究表明,NFL的GBM细胞系中,LNC内部化速度更快,细胞毒性增加.
- 在体内研究表明,用凝素加载的LNC与吸附的NFL有效地向未切割的GBM细胞.
- 在小鼠GBM模型中,NFL-LNC水凝显著延迟或抑制瘤复发.
结论:
- 开发的可植入水凝有效地通过NFL功能化的LNCs传递gemcitabine,用于质母细胞瘤治疗.
- NFL-LNCs增强药物输送和向剩余的GBM细胞,减少瘤复发.
- 这种治疗性水凝对改善质母细胞瘤患者的治疗连续性和治疗结果充满希望.
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