Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance
Xiwei Yu,1,* Guang Yang,2,* Yijie Shi,1 Chang Su,3 Ming Liu,1 Bo Feng,1 Liang Zhao1 1School of Pharmacy, Liaoning Medical University, Jinzhou, People’s Republic of China; 2Department of Oncology, BenQ Medical Center, Nanjing Medical University, Nanjing, People’s Republic of Chin...
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| Format: | Article |
| Language: | English |
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Dove Medical Press
2015-11-01
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| Series: | International Journal of Nanomedicine |
| Online Access: | https://www.dovepress.com/intracellular-targeted-co-delivery-of-shmdr1-and-gefitinib-with-chitos-peer-reviewed-article-IJN |
| _version_ | 1818992303675539456 |
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| author | Yu XW Yang G Shi YJ Su C Liu M Feng B Zhao L |
| author_facet | Yu XW Yang G Shi YJ Su C Liu M Feng B Zhao L |
| author_sort | Yu XW |
| collection | DOAJ |
| description | Xiwei Yu,1,* Guang Yang,2,* Yijie Shi,1 Chang Su,3 Ming Liu,1 Bo Feng,1 Liang Zhao1 1School of Pharmacy, Liaoning Medical University, Jinzhou, People’s Republic of China; 2Department of Oncology, BenQ Medical Center, Nanjing Medical University, Nanjing, People’s Republic of China; 3School of Veterinary Medicine, Liaoning Medical University, Jinzhou, People’s Republic of China *These authors contributed equally to this work Abstract: Nowadays, multidrug resistance and side effects of drugs limit the effectiveness of chemotherapies in clinics. P-glycoprotein (P-gp) (MDR1), as a member of the ATP-binding cassette family, acts on transporting drugs into cell plasma across the membrane of cancer cells and leads to the occurrence of multidrug resistance, thus resulting in the failure of chemotherapy in cancer. The main aims of this research were to design a nanodelivery system for accomplishing the effective co-delivery of gene and antitumor drug and overcoming multidrug resistance effect. In this study, shMDR1 and gefitinib-encapsulating chitosan nanoparticles with sustained release, small particle size, and high encapsulation efficiency were prepared. The serum stability, protection from nuclease, and transfection efficiency of gene in vitro were investigated. The effects of co-delivery of shMDR1 and gefitinib in nanoparticles on reversing multidrug resistance were also evaluated by investigating the cytotoxicity, cellular uptake mechanism, and cell apoptosis on established gefitinib-resistant cells. The results demonstrated that chitosan nanoparticles entrapping gefitinib and shMDR1 had the potential to overcome the multidrug resistance and improve cancer treatment efficacy, especially toward resistant cells. Keywords: P-glycoprotein, nanodelivery system, chemotherapy, gene |
| first_indexed | 2024-12-20T20:24:01Z |
| format | Article |
| id | doaj.art-a0b94ca4acc64a8f90f8c73593f00820 |
| institution | Directory Open Access Journal |
| issn | 1178-2013 |
| language | English |
| last_indexed | 2024-12-20T20:24:01Z |
| publishDate | 2015-11-01 |
| publisher | Dove Medical Press |
| record_format | Article |
| series | International Journal of Nanomedicine |
| spelling | doaj.art-a0b94ca4acc64a8f90f8c73593f008202022-12-21T19:27:31ZengDove Medical PressInternational Journal of Nanomedicine1178-20132015-11-012015default7045705624602Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistanceYu XWYang GShi YJSu CLiu MFeng BZhao LXiwei Yu,1,* Guang Yang,2,* Yijie Shi,1 Chang Su,3 Ming Liu,1 Bo Feng,1 Liang Zhao1 1School of Pharmacy, Liaoning Medical University, Jinzhou, People’s Republic of China; 2Department of Oncology, BenQ Medical Center, Nanjing Medical University, Nanjing, People’s Republic of China; 3School of Veterinary Medicine, Liaoning Medical University, Jinzhou, People’s Republic of China *These authors contributed equally to this work Abstract: Nowadays, multidrug resistance and side effects of drugs limit the effectiveness of chemotherapies in clinics. P-glycoprotein (P-gp) (MDR1), as a member of the ATP-binding cassette family, acts on transporting drugs into cell plasma across the membrane of cancer cells and leads to the occurrence of multidrug resistance, thus resulting in the failure of chemotherapy in cancer. The main aims of this research were to design a nanodelivery system for accomplishing the effective co-delivery of gene and antitumor drug and overcoming multidrug resistance effect. In this study, shMDR1 and gefitinib-encapsulating chitosan nanoparticles with sustained release, small particle size, and high encapsulation efficiency were prepared. The serum stability, protection from nuclease, and transfection efficiency of gene in vitro were investigated. The effects of co-delivery of shMDR1 and gefitinib in nanoparticles on reversing multidrug resistance were also evaluated by investigating the cytotoxicity, cellular uptake mechanism, and cell apoptosis on established gefitinib-resistant cells. The results demonstrated that chitosan nanoparticles entrapping gefitinib and shMDR1 had the potential to overcome the multidrug resistance and improve cancer treatment efficacy, especially toward resistant cells. Keywords: P-glycoprotein, nanodelivery system, chemotherapy, genehttps://www.dovepress.com/intracellular-targeted-co-delivery-of-shmdr1-and-gefitinib-with-chitos-peer-reviewed-article-IJN |
| spellingShingle | Yu XW Yang G Shi YJ Su C Liu M Feng B Zhao L Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance International Journal of Nanomedicine |
| title | Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance |
| title_full | Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance |
| title_fullStr | Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance |
| title_full_unstemmed | Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance |
| title_short | Intracellular targeted co-delivery of shMDR1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance |
| title_sort | intracellular targeted co delivery of shmdr1 and gefitinib with chitosan nanoparticles for overcoming multidrug resistance |
| url | https://www.dovepress.com/intracellular-targeted-co-delivery-of-shmdr1-and-gefitinib-with-chitos-peer-reviewed-article-IJN |
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