Journal
INTERNATIONAL JOURNAL OF NANOMEDICINE
Volume 13, Issue -, Pages 5113-5126Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJN.S170862
Keywords
gastric carcinoma; chemotherapy; quercetin; doxorubicin; co-delivery
Funding
- National Youthful Science Foundation of China [81302145]
- Science and Technology Research Project of Science and Technology Bureau of Suzhou City, China [SYS201330]
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Background: Effective gastric carcinoma (GC) chemotherapy is subject to many in vitro and in vivo barriers, such as tumor microenvironment and multidrug resistance. Materials and methods: Herein, we developed a hyaluronic acid (HA)-modified silica nanoparticle (HA-SiLN/QD) co-delivering quercetin and doxorubicin (DOX) to enhance the efficacy of GC therapy (HA-SiLN/QD). The HA modification was done to recognize overexpressed CD44 receptors on GC cells and mediate selective tumor targeting. In parallel, quercetin delivery decreased the expression of Wnt16 and P-glycoprotein, thus remodeling the tumor microenvironment and reversed multidrug resistance to facilitate DOX activity. Results: Experimental results demonstrated that HA-SiLN/QD was nanoscaled particles with preferable stability and sustained release property. In vitro cell experiments on SGC7901/ADR cells showed selective uptake and increased DOX retention as compared to the DOX monodelivery system (HA-SiLN/D). Conclusion: In vivo anticancer assays on the SGC7901/ADR tumor-bearing mice model also revealed significantly enhanced efficacy of HA-SiLN/QD than mono-delivery systems (HASiLN/Q and HA-SiLN/D).
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