Linwei Li, Zihan Xing, Tao Liao, Jinyu Wang, Ziqiang Xu, Ying Kuang, Cao Li
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Ti3C2Tx MXene quantum dots coated hollow manganese dioxide nanoparticles for tumor combination therapy and magnetic resonance imaging
Chemodynamic therapy (CDT) is a new cancer treatment that uses low-valence transition metal ions to catalyze intracellular Fenton/Fenton-like reactions, producing hydroxyl radicals (•OH) to eliminate cancer cells. However, achieving satisfactory therapeutic outcomes with CDT alone can be challenging. In this work, we reported an anticancer drug delivery DOX@HMDN-TQDs@PEI-PEG (DMTP) based on hollow mesoporous manganese dioxide nanoparticle (HMDN), which has the potential to improve cancer therapy by combining synergistic therapeutic and tumor magnetic resonance imaging (MRI) capability. After loading the anticancer drug doxorubicin hydrochloride (DOX), the pores of HMDN were sealed with polyethyleneimine (PEI) modified TiCT MXene quantum dots (TQDs) and finally modified with polyethylene glycol (PEG) to obtain the final system. HMDN depletes glutathione (GSH), which is harmful to CDT, in cancer cells, and generates Mn that can be used for both CDT and MRI. TQDs can also be used for highly effective photothermal therapy (PTT) that enhances CDT. The combination of DOX with chemotherapy can significantly inhibit tumor growth. In addition, DMTP combines the capability of tumor MRI as Mn is also a -weighted contrast agent. This multifunctional delivery system provides new ideas for research related to tumor diagnosis and treatment.
期刊介绍:
Materials Today Chemistry is a multi-disciplinary journal dedicated to all facets of materials chemistry.
This field represents one of the fastest-growing areas of science, involving the application of chemistry-based techniques to the study of materials. It encompasses materials synthesis and behavior, as well as the intricate relationships between material structure and properties at the atomic and molecular scale. Materials Today Chemistry serves as a high-impact platform for discussing research that propels the field forward through groundbreaking discoveries and innovative techniques.