期刊
ACS APPLIED MATERIALS & INTERFACES
卷 14, 期 39, 页码 44228-44238出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.2c14626
关键词
tetrahedral framework nucleic acids; BACE1 aptamer; Alzheimer?s disease; amyloid beta; DNA nanostructure
资金
- National Key R&D Program of China [2019YFA0110600]
- National Natural Science Foundation of China [81970916, 81971295, 82001216, and82171355]
- China Postdoctoral Science Foundation [2021M700699]
The tetrahedral framework nucleic acid can serve as a carrier to deliver the BACE1 aptamer to the brain, reducing the production of amyloid fi proteins. It also exhibits anti-apoptotic properties by reducing the production of reactive oxygen species, making it a potential drug for Alzheimer's disease.
Alzheimer's disease is a neurodegenerative disease caused by excessive amyloid fi protein-induced neurotoxicity. However, drugs targeting amyloid fi protein production face many problems, such as the low utilization rate of drugs by cells and the difficulty of drugs in penetrating the blood-brain barrier. A tetrahedral framework nucleic acid is a new type of nanonucleic acid structure that functions as a therapy and drug carrier. Here, we synthesized a BACE1 aptamer-modified tetrahedral framework nucleic acid and tested its therapeutic effect on Alzheimer's disease in vitro and in vivo. Our results demonstrated that the tetrahedral framework nucleic acid could be used as a carrier to deliver the BACE1 aptamer to the brain to reduce the production of amyloid fi proteins. It also played an antiapoptotic role by reducing the production of reactive oxygen species. Thus, this nanomaterial is a potential drug for Alzheimer's disease.
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