NDLI: Boosting the sonodynamic performance of CoBiMn-layered double hydroxide nanoparticles via tumor microenvironment regulation for ultrasound imaging-guided sonodynamic therapy

Content Provider	Springer Nature : BioMed Central
Author	Yang, Shuqing Hu, Tingting Williams, Gareth R. Yang, Yu Zhang, Susu Shen, Jiayi Chen, Minjiang Liang, Ruizheng Lyu, Lingchun
Abstract	Sonodynamic therapy (SDT), a promising strategy for cancer treatment with the ability for deep tissue penetration, has received widespread attention in recent years. Sonosensitizers with intrinsic characteristics for tumor-specific curative effects, tumor microenvironment (TME) regulation and tumor diagnosis are in high demand. Herein, amorphous CoBiMn-layered double hydroxide (a-CoBiMn-LDH) nanoparticles are presented as multifunctional sonosensitizers to trigger reactive oxygen species (ROS) generation for ultrasound (US) imaging-guided SDT. Hydrothermal-synthesized CoBiMn-LDH nanoparticles are etched via a simple acid treatment to obtain a-CoBiMn-LDH nanoparticles with abundant defects. The a-CoBiMn-LDH nanoparticles give greater ROS generation upon US irradiation, reaching levels ~ 3.3 times and ~ 8.2 times those of the crystalline CoBiMn-LDH nanoparticles and commercial TiO2 sonosensitizer, respectively. This excellent US-triggered ROS generation performance can be attributed to the defect-induced narrow band gap and promoted electrons and holes (e−/h+) separation. More importantly, the presence of Mn4+ enables the a-CoBiMn-LDH nanoparticles to regulate the TME by decomposing H2O2 into O2 for hypoxia relief and US imaging, and consuming glutathione (GSH) for protection against ROS clearance. Biological mechanism analysis shows that a-CoBiMn-LDH nanoparticles modified with polyethylene glycol can serve as a multifunctional sonosensitizer to effectively kill cancer cells in vitro and eliminate tumors in vivo under US irradiation by activating p53, apoptosis, and oxidative phosphorylation-related signaling pathways.
Related Links	https://jnanobiotechnology.biomedcentral.com/counter/pdf/10.1186/s12951-024-02591-5.pdf
Ending Page	16
Page Count	16
Starting Page	1
File Format	HTM / HTML
ISSN	14773155
DOI	10.1186/s12951-024-02591-5
Journal	Journal of Nanobiotechnology
Issue Number	1
Volume Number	22
Language	English
Publisher	BioMed Central
Publisher Date	2024-06-08
Access Restriction	Open
Subject Keyword	Biotechnology Nanotechnology Molecular Medicine Layered double hydroxides Sonosensitizers Tumor microenvironment US imaging Sonodynamic therapy
Content Type	Text
Resource Type	Article
Subject	Bioengineering Pharmaceutical Science Medicine Applied Microbiology and Biotechnology Biomedical Engineering Molecular Medicine Nanoscience and Nanotechnology
Journal Impact Factor	10.6/2023
5-Year Journal Impact Factor	11.4/2023

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