pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy
Yanqiu Zhang,1,2,* Lianjun Peng,3,* Jiahui Chu,4 Ming Zhang,5 Lizhu Sun,1,2 Bin Zhong,5 Qiyong Wu5 1Department of Oncology and Hematology, Shuyang Hospital Affiliated to Xuzhou Medical University, Suqian 223600, China; 2Department of Oncology and Hematology, Shuyang People’s Hospital, Suq...
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Dove Medical Press
2018-10-01
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| Series: | International Journal of Nanomedicine |
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| Online Access: | https://www.dovepress.com/ph-and-redox-dual-responsive-copolymer-micelles-with-surface-charge-re-peer-reviewed-article-IJN |
| _version_ | 1818936904946548736 |
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| author | Zhang Y Peng L Chu J Zhang M Sun L Zhong B Wu Q |
| author_facet | Zhang Y Peng L Chu J Zhang M Sun L Zhong B Wu Q |
| author_sort | Zhang Y |
| collection | DOAJ |
| description | Yanqiu Zhang,1,2,* Lianjun Peng,3,* Jiahui Chu,4 Ming Zhang,5 Lizhu Sun,1,2 Bin Zhong,5 Qiyong Wu5 1Department of Oncology and Hematology, Shuyang Hospital Affiliated to Xuzhou Medical University, Suqian 223600, China; 2Department of Oncology and Hematology, Shuyang People’s Hospital, Suqian 223600, China; 3Department of Respiratory, Central Hospital of Kaiping City, Kaiping 529300, China; 4Department of Respiratory and Critical Care Medicine, Fuzong Clinical College of Fujian Medical University, Fuzhou General Hospital, Fuzhou, Fujian 350000, China; 5Department of Thoracic and Cardiac Surgery, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou 213003, China *These authors contributed equally to this work Background: Co-delivery all-trans-retinoic acid (ATRA) and paclitaxel (PTX) is an effective strategy for cancer therapy. However, in many previous reported ATRA conjugated co-delivery systems, the ATRA was released slower than PTX, and the total drug release of ATRA far lower than that of PTX.Purpose: We designed and prepared a pH and redox dual responsive drug delivery system (DA-ss-NPs) co-delivery ATRA and PTX for cancer therapy. The surface charge of DA-ss-NPs could change from negative to positive under tumor slightly acidic microenvironment, and both drugs could be quickly released from DA-ss-NPs under intracellular high concentration of glutathione (GSH).Methods: The DA-ss-NPs were constructed by encapsulating PTX into the hydrophobic core of the polymer micelles, in which the polymer was synthesized by conjugating ATRA and 2,3-Dimethylmalefic anhydride (DMA) on side chains of Cystamine dihydrochloride (Cys) modified PEG-b-PAsp (named DA-ss-NPs). The surface charge of DA-ss-NPs under different pH conditions were detected. And the drug release was also measured under different concentration of GSH. The therapeutic effect of DA-ss-NPs were investigated in Human lung cancer A549 cells and A549 tumor-bearing mice.Results: The zeta potential of DA-ss-NPs was -16.3 mV at pH 7.4, and which changed to 16 mV at pH 6.5. Cell uptake experiment showed that more DA-ss-NPs were internalized by A549 cells at pH 6.5 than that at pH 7.4. In addition, in presence of 10 mM GSH at pH 7.4, about 75%-85% ATRA was released from DA-ss-NPs within 48 h; but less than 20% ATRA was released without GSH. In vivo antitumor efficiency showed that the DA-ss-NPs could affectively inhibite the tumor in compared with control groups.Conclusion: The charge-reversal and GSH-responsive DA-ss-NPs provide an excellent platform for potential tumor therapy. Keywords: all-trans-retionic acid, dual-responsive, charge reversal, PAsp, PEG-b-PLGA |
| first_indexed | 2024-12-20T05:43:29Z |
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| issn | 1178-2013 |
| language | English |
| last_indexed | 2024-12-20T05:43:29Z |
| publishDate | 2018-10-01 |
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| series | International Journal of Nanomedicine |
| spelling | doaj.art-756d4346ce1946cdaa81471729bdc41b2022-12-21T19:51:24ZengDove Medical PressInternational Journal of Nanomedicine1178-20132018-10-01Volume 136499651541499pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapyZhang YPeng LChu JZhang MSun LZhong BWu QYanqiu Zhang,1,2,* Lianjun Peng,3,* Jiahui Chu,4 Ming Zhang,5 Lizhu Sun,1,2 Bin Zhong,5 Qiyong Wu5 1Department of Oncology and Hematology, Shuyang Hospital Affiliated to Xuzhou Medical University, Suqian 223600, China; 2Department of Oncology and Hematology, Shuyang People’s Hospital, Suqian 223600, China; 3Department of Respiratory, Central Hospital of Kaiping City, Kaiping 529300, China; 4Department of Respiratory and Critical Care Medicine, Fuzong Clinical College of Fujian Medical University, Fuzhou General Hospital, Fuzhou, Fujian 350000, China; 5Department of Thoracic and Cardiac Surgery, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou 213003, China *These authors contributed equally to this work Background: Co-delivery all-trans-retinoic acid (ATRA) and paclitaxel (PTX) is an effective strategy for cancer therapy. However, in many previous reported ATRA conjugated co-delivery systems, the ATRA was released slower than PTX, and the total drug release of ATRA far lower than that of PTX.Purpose: We designed and prepared a pH and redox dual responsive drug delivery system (DA-ss-NPs) co-delivery ATRA and PTX for cancer therapy. The surface charge of DA-ss-NPs could change from negative to positive under tumor slightly acidic microenvironment, and both drugs could be quickly released from DA-ss-NPs under intracellular high concentration of glutathione (GSH).Methods: The DA-ss-NPs were constructed by encapsulating PTX into the hydrophobic core of the polymer micelles, in which the polymer was synthesized by conjugating ATRA and 2,3-Dimethylmalefic anhydride (DMA) on side chains of Cystamine dihydrochloride (Cys) modified PEG-b-PAsp (named DA-ss-NPs). The surface charge of DA-ss-NPs under different pH conditions were detected. And the drug release was also measured under different concentration of GSH. The therapeutic effect of DA-ss-NPs were investigated in Human lung cancer A549 cells and A549 tumor-bearing mice.Results: The zeta potential of DA-ss-NPs was -16.3 mV at pH 7.4, and which changed to 16 mV at pH 6.5. Cell uptake experiment showed that more DA-ss-NPs were internalized by A549 cells at pH 6.5 than that at pH 7.4. In addition, in presence of 10 mM GSH at pH 7.4, about 75%-85% ATRA was released from DA-ss-NPs within 48 h; but less than 20% ATRA was released without GSH. In vivo antitumor efficiency showed that the DA-ss-NPs could affectively inhibite the tumor in compared with control groups.Conclusion: The charge-reversal and GSH-responsive DA-ss-NPs provide an excellent platform for potential tumor therapy. Keywords: all-trans-retionic acid, dual-responsive, charge reversal, PAsp, PEG-b-PLGAhttps://www.dovepress.com/ph-and-redox-dual-responsive-copolymer-micelles-with-surface-charge-re-peer-reviewed-article-IJNpH-responsiveredox-responsivecombination therapycharge reversal |
| spellingShingle | Zhang Y Peng L Chu J Zhang M Sun L Zhong B Wu Q pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy International Journal of Nanomedicine pH-responsive redox-responsive combination therapy charge reversal |
| title | pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy |
| title_full | pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy |
| title_fullStr | pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy |
| title_full_unstemmed | pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy |
| title_short | pH and redox dual-responsive copolymer micelles with surface charge reversal for co-delivery of all-trans-retinoic acid and paclitaxel for cancer combination chemotherapy |
| title_sort | ph and redox dual responsive copolymer micelles with surface charge reversal for co delivery of all trans retinoic acid and paclitaxel for cancer combination chemotherapy |
| topic | pH-responsive redox-responsive combination therapy charge reversal |
| url | https://www.dovepress.com/ph-and-redox-dual-responsive-copolymer-micelles-with-surface-charge-re-peer-reviewed-article-IJN |
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