纳米级的ATP-响应性地质性伊米达框架-90作为细胞蛋白输送和基因组编辑的一般平台
Xiaoti Yang1,2, Qiao Tang1,3, Ying Jiang1
1Beijing National Laboratory for Molecular Science, CAS Research/Education Center for Excellence in Molecule Science, Key Laboratory of Analytical Chemistry for Living Biosystems , Institute of Chemistry, the Chinese Academy of Sciences (CAS) , Beijing 100190 , China.
研究人员开发了对ATP有反应的化物伊米达框架-90 (ZIF-90) 纳米颗粒,用于将蛋白质和CRISPR/Cas9输入细胞. 这些纳米载体在响应ATP时有效地释放载荷,显示出针对性疾病治疗的前景.
科学领域:
- 生物材料科学
- 纳米技术
- 分子生物学
背景情况:
- 金属有机框架 (MOF) 为药物输送应用提供可调节的特性.
- 凝性伊米达框架-90 (ZIF-90) 是一种具有纳米载体发展潜力的MOF.
研究的目的:
- 开发一种对ATP反应的纳米载体系统,用于蛋白质输送和CRISPR/Cas9基因组编辑.
- 证明ZIF-90纳米颗粒在细胞内蛋白质和基因编辑应用中的有效性.
主要方法:
- 与蛋白质自组合以形成ZIF-90/蛋白质纳米粒子.
- 研究控制蛋白质释放的ZIF-90纳米颗粒的ATP诱导降解.
- 在细胞系中评估各种蛋白质和CRISPR/Cas9的细胞内传递.
主要成果:
- ZIF-90纳米粒子有效地封装了各种蛋白质.
- 触发了ZIF-90纳米颗粒的降解,释放了封装的蛋白质.
- 细胞毒性RNase A的成功输送抑制了瘤细胞的生长.
- 通过ZIF-90纳米颗粒传递CRISPR/Cas9可以在HeLa细胞中实现高达35%的GFP淘汰.
结论:
- 响应ATP的ZIF-90纳米颗粒为细胞质蛋白传递和CRISPR/Cas9基因组编辑提供了多功能平台.
- 疾病细胞中ATP的上调表明有针对性的治疗应用的潜力.
- 这种方法为治疗疾病的先进蛋白质传递和基因编辑开辟了新的途径.
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