针对性药物输送到AML由OFA/iLRP吸管导向的DNA纳米结构引导的AML
Yacong An1, Fengjiao Yao2, Xundou Li2
1Biobank of Peking University First Hospital, Peking University First Hospital, Beijing, China. an_yacong@163.com.
Scientific reports
|January 7, 2026
概括
一种新型的DNA纳米结构使用OFA/iLRP吸收剂准急性髓性白血病 (AML) 细胞. 在临床前模型中,这种向性输送多克索鲁比 (Dox) 显示了提高疗效和降低毒性.
科学领域:
- 生物化学 生物化学
- 纳米技术 纳米技术
- 在瘤学瘤学.
背景情况:
- 急性髓性白血病 (AML) 的预后不好,化疗导致严重的不良影响.
- 有针对性的药物输送提供了一种减轻化疗毒性的策略.
- 未成熟的拉米因受体蛋白 (OFA/iLRP) 被确定为AML的潜在治疗标.
研究的目的:
- 开发一种DNA纳米结构,用于针对性地将多克索鲁比 (Dox) 传递给AML细胞.
- 为了利用OFA/iLRP合体对AML细胞进行特定向.
- 在体外和体内评估Apt-Couple-Dox复合物的疗效和安全性.
主要方法:
- 通过序列截断,优化一个OFA/iLRP合体 (AB3) 到AB3-2.
- 通过合两个AB3-2体,形成一个DNA纳米结构 (Apt-Couple).
- 将多克索鲁比辛 (Dox) 与Apt-Couple纳米结构复合,从而产生Apt-Couple-Dox.
- 在体外和体内对Apt-Couple-Dox向和抗白血病活性的评估.
主要成果:
- 该Apt-Couple纳米结构选择性地与OFA/iLRP阳性AML细胞 (HL-60) 相结合.
- 该Apt-Couple-Dox复合物有效地输送了Dox,在体外破坏了AML细胞,同时节省了对照细胞.
- 在体内研究表明,与自由的Dox相比,在携带HL-60的小鼠中,抗白血病疗效优越,存活时间延长,系统毒性没有增加.
结论:
- OFA/iLRP 体AB3-2 作为一个有效的AML-homing 体起作用.
- Apt-Couple-Dox纳米结构显示出针对AML的向治疗的巨大潜力.
- 这种方法提供了一个有希望的策略,通过提高药物输送和减少副作用来改善AML治疗结果.
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