Yang Yang, Hua Xie, Bi Zhou, Yuling Liu, Jiqing Hao
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pH-responsive dynamic organic nanocomposite hydrogels for enhanced local tumor combination therapy.
A single drug therapeutic approach fails to sufficiently eliminate tumors in clinics, owing to the tumoral complexity and heterogeneity. The integration of chemotherapy with novel treatment modalities offers a promising synergistic strategy for enhancing therapeutic outcomes. Herein, we successfully develop pH-triggered dynamic organic nanocomposite hydrogels for enhanced local tumor combination therapy, which are prepared through incorporation of Cu2-xSe nanoparticles (NPs) and lipophilic mixture (OPC) including orthoester compound, polycaprolactone and carboplatin into imine-crosslinked polysaccharide-based hydrogels. The dynamic imine linkages endow the hydrogels with favorable injectability and self-adaptability as well as tumoral extracellular pH-triggered degradation. OPC can enhance drug escape from hydrogels, tumor penetration and pH-responsive prolonged and sustained release of the drug. Cu2-xSe NPs endow the hydrogels with photothermal therapy (PTT), photodynamic therapy (PDT) and chemo-dynamic therapy (CDT). These superior physicochemical properties result in significant tumor growth inhibition while decreasing side effect on normal tissues. Therefore, the pH-responsive dynamic organic nanocomposite hydrogels have great potential for local tumor therapy in clinics.
期刊介绍：
The Journal of Biomaterials Applications is a fully peer reviewed international journal that publishes original research and review articles that emphasize the development, manufacture and clinical applications of biomaterials.
Peer-reviewed articles by biomedical specialists from around the world cover:
New developments in biomaterials, R&D, properties and performance, evaluation and applications
Applications in biomedical materials and devices - from sutures and wound dressings to biosensors and cardiovascular devices
Current findings in biological compatibility/incompatibility of biomaterials
The Journal of Biomaterials Applications publishes original articles that emphasize the development, manufacture and clinical applications of biomaterials. Biomaterials continue to be one of the most rapidly growing areas of research in plastics today and certainly one of the biggest technical challenges, since biomaterial performance is dependent on polymer compatibility with the aggressive biological environment. The Journal cuts across disciplines and focuses on medical research and topics that present the broadest view of practical applications of biomaterials in actual clinical use.
The Journal of Biomaterial Applications is devoted to new and emerging biomaterials technologies, particularly focusing on the many applications which are under development at industrial biomedical and polymer research facilities, as well as the ongoing activities in academic, medical and applied clinical uses of devices.
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