Dual antibacterial behavior of a curcumin–upconversion photodynamic nanosystem for efficient eradication of drug-resistant bacteria in a deep joint infection

Literature Information

Publication Date 2018-10-29
DOI 10.1039/C8TB02493F
Impact Factor 6.331
Authors

Jiangjun Liu, Meng Yu, Guobo Zeng, Jie Cao, Yuanhe Wang, Tao Ding, Xu Yang, Kang Sun, Javad Parvizi, Shaoqi Tian


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Abstract

A periprosthetic joint infection (PJI) with methicillin-resistant Staphylococcus aureus (MRSA) is a catastrophic deep joint infection for patients who have had joint replacement surgery. To efficiently eradicate the MRSA, curcumin–upconversion nanoparticles (curcumin–UCNPs) were synthesized by binding the curcumin onto UCNPs, which could produce singlet oxygen under near infrared (NIR) irradiation. Dual antibacterial behavior induced by the curcumin–UCNP itself and induced by photodynamic therapy were demonstrated. Nearly 100% MRSA was eradicated using curcumin–UCNPs under the NIR irradiation because of the dual antibacterial behavior in vitro. Furthermore, a MRSA-induced PJI model was constructed using Sprague Dawley rats. The NIR could penetrate the rats’ knee joint tissue well and activated the curcumin–UCNPs to perform photodynamic therapy, which exhibited a good antibacterial effect in the deep joint tissue (1 cm) and about 80% of MRSA was eradicated in vivo. Blood tests and histopathological examinations revealed that the inflammation was also significantly relieved because of the eradication of MRSA in the curcumin–UCNPs-NIR group. Compared with traditional treatments, this research may provide a new therapy for PJI.

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Journal of Materials Chemistry B

Journal of Materials Chemistry B
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Self-citation Rate: 4.9%
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Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry B are listed below. This list is neither exhaustive nor exclusive. Antifouling coatings Biocompatible materials Bioelectronics Bioimaging Biomimetics Biomineralisation Bionics Biosensors Diagnostics Drug delivery Gene delivery Immunobiology Nanomedicine Regenerative medicine & Tissue engineering Scaffolds Soft robotics Stem cells Therapeutic devices image block All articles published in Journal of Materials Chemistry B from 2019 onwards will be indexed in MEDLINE®. Articles that primarily focus on providing insight into the underlying science and performance of biomaterials within a biological environment are more suited to our companion journal, Biomaterials Science.

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