Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor
Jian Zhang, 1 Hongyan Zhang, 2 Jianqi Jiang, 2 Nan Cui, 2 Xiao Xue, 2 Tianying Wang, 2 Xiaoqiang Wang, 3 Yunpeng He, 2 Dongkai Wang 2 1Department of Chinese Medicine Pharmacology, School of Traditional Chinese Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republi...
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Dove Medical Press
2020
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oai:doaj.org-article:89758ca8b1df4e9faa6f5fc63deb323c2021-12-02T04:34:59ZDoxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor1178-2013https://doaj.org/article/89758ca8b1df4e9faa6f5fc63deb323c2020-01-01T00:00:00Zhttps://www.dovepress.com/doxorubicin-loaded-carbon-dots-lipid-coated-calcium-phosphate-nanopart-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Jian Zhang, 1 Hongyan Zhang, 2 Jianqi Jiang, 2 Nan Cui, 2 Xiao Xue, 2 Tianying Wang, 2 Xiaoqiang Wang, 3 Yunpeng He, 2 Dongkai Wang 2 1Department of Chinese Medicine Pharmacology, School of Traditional Chinese Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China; 2Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China; 3Department of Pharmaceutical Chemistry, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of ChinaCorrespondence: Dongkai WangDepartment of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of ChinaTel +86 24-43520529Email wangycsyphu@126.comBackground: Carbon dots (CDs) have attracted extensive attention in recent years because of their high biocompatibility and unique optical property. But they could not be well applied in the drug delivery system to enable distribution in tumor sites with their low pH sensitivity. They are barriers for drug delivery. CDs as an imaging proper were conjugated with doxorubicin (DOX) lipid-coated calcium phosphate (LCP) nanoparticle, for a pH-sensitive nanocarrier and delivery of the antitumor drugs.Materials and Methods: CDs were prepared by one-step hydrothermal treatment of citric acid and ethylenediamine. The nanoparticles were simply prepared by using microemulsion technology to form calcium phosphate (CaP) core and further coated with cationic lipids.Results: The structure was characterized by FTIR, XRD and TEM. In vitro release study revealed that DOX-CDs@LCP was pH dependent. The cytotoxicity assay demonstrated that it exhibited enhanced efficiency compared to the control group (DOX-CDs), but weaker than free DOX. The cellular uptake revealed that these pH-sensitive nanoparticles could be taken up effectively and deliver DOX into the cytoplasm to reach antitumor effect. The fluorescence imaging indicated that DOX-CDs@LCP mostly distributed in the tumor region due to the enhanced permeability and retention effect (EPR) to reduce its systematical toxicity. Importantly, an antitumor activity study demonstrated that the DOX-CDs@LCP nanoparticles had higher antitumor activity than any other groups and lower toxicity. The results showed that LCP could significantly promote the release in tumor microenvironment due to pH-response. The DOX-CDs could enhance load capacity and reduce drug premature releasing; real-time tracking of efficacy as confocal imaging contrast agent. Thus, DOX-CDs@LCP had antitumor capacity and lower systematic toxicity in tumor therapy.Conclusion: DOX-CDs@LCP were proven as a promising tumor pH-sensitive and imaging-guided drug delivery system for liver cancer chemotherapy.Keywords: carbon dots, calcium phosphate photodynamic therapy, pH-sensitive, bioimaging, tumor targeting, therapyZhang JZhang HJiang JCui NXue XWang TWang XHe YWang DDove Medical Pressarticlecarbon dotscalcium phosphate photodynamic therapyph-sensitivebioimagingtumor targetingtherapyMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 15, Pp 433-444 (2020) |
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carbon dots calcium phosphate photodynamic therapy ph-sensitive bioimaging tumor targeting therapy Medicine (General) R5-920 |
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carbon dots calcium phosphate photodynamic therapy ph-sensitive bioimaging tumor targeting therapy Medicine (General) R5-920 Zhang J Zhang H Jiang J Cui N Xue X Wang T Wang X He Y Wang D Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor |
| description |
Jian Zhang, 1 Hongyan Zhang, 2 Jianqi Jiang, 2 Nan Cui, 2 Xiao Xue, 2 Tianying Wang, 2 Xiaoqiang Wang, 3 Yunpeng He, 2 Dongkai Wang 2 1Department of Chinese Medicine Pharmacology, School of Traditional Chinese Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China; 2Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China; 3Department of Pharmaceutical Chemistry, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of ChinaCorrespondence: Dongkai WangDepartment of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of ChinaTel +86 24-43520529Email wangycsyphu@126.comBackground: Carbon dots (CDs) have attracted extensive attention in recent years because of their high biocompatibility and unique optical property. But they could not be well applied in the drug delivery system to enable distribution in tumor sites with their low pH sensitivity. They are barriers for drug delivery. CDs as an imaging proper were conjugated with doxorubicin (DOX) lipid-coated calcium phosphate (LCP) nanoparticle, for a pH-sensitive nanocarrier and delivery of the antitumor drugs.Materials and Methods: CDs were prepared by one-step hydrothermal treatment of citric acid and ethylenediamine. The nanoparticles were simply prepared by using microemulsion technology to form calcium phosphate (CaP) core and further coated with cationic lipids.Results: The structure was characterized by FTIR, XRD and TEM. In vitro release study revealed that DOX-CDs@LCP was pH dependent. The cytotoxicity assay demonstrated that it exhibited enhanced efficiency compared to the control group (DOX-CDs), but weaker than free DOX. The cellular uptake revealed that these pH-sensitive nanoparticles could be taken up effectively and deliver DOX into the cytoplasm to reach antitumor effect. The fluorescence imaging indicated that DOX-CDs@LCP mostly distributed in the tumor region due to the enhanced permeability and retention effect (EPR) to reduce its systematical toxicity. Importantly, an antitumor activity study demonstrated that the DOX-CDs@LCP nanoparticles had higher antitumor activity than any other groups and lower toxicity. The results showed that LCP could significantly promote the release in tumor microenvironment due to pH-response. The DOX-CDs could enhance load capacity and reduce drug premature releasing; real-time tracking of efficacy as confocal imaging contrast agent. Thus, DOX-CDs@LCP had antitumor capacity and lower systematic toxicity in tumor therapy.Conclusion: DOX-CDs@LCP were proven as a promising tumor pH-sensitive and imaging-guided drug delivery system for liver cancer chemotherapy.Keywords: carbon dots, calcium phosphate photodynamic therapy, pH-sensitive, bioimaging, tumor targeting, therapy |
| format |
article |
| author |
Zhang J Zhang H Jiang J Cui N Xue X Wang T Wang X He Y Wang D |
| author_facet |
Zhang J Zhang H Jiang J Cui N Xue X Wang T Wang X He Y Wang D |
| author_sort |
Zhang J |
| title |
Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor |
| title_short |
Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor |
| title_full |
Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor |
| title_fullStr |
Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor |
| title_full_unstemmed |
Doxorubicin-Loaded Carbon Dots Lipid-Coated Calcium Phosphate Nanoparticles for Visual Targeted Delivery and Therapy of Tumor |
| title_sort |
doxorubicin-loaded carbon dots lipid-coated calcium phosphate nanoparticles for visual targeted delivery and therapy of tumor |
| publisher |
Dove Medical Press |
| publishDate |
2020 |
| url |
https://doaj.org/article/89758ca8b1df4e9faa6f5fc63deb323c |
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