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A simple reduction-sensitive micelles co-delivery of paclitaxel and dasatinib to overcome tumor multidrug resistance

Authors Li J, Xu R, Lu X, He J, Jin S

Received 3 August 2017

Accepted for publication 14 September 2017

Published 1 November 2017 Volume 2017:12 Pages 8043—8056


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

Editor who approved publication: Prof. Dr. Dongwoo Khang

Jun Li,1,* Ruitong Xu,2,* Xiao Lu,3 Jing He,1 Shidai Jin1

1Department of Medical Oncology, 2Department of General Practice, The First Affiliated Hospital with Nanjing Medical University, Nanjing, 3Department of Medical Oncology, Changshu No 1 People’s Hospital, Changshu, People’s Republic of China

*These authors contributed equally to this work

Abstract: Multidrug resistance (MDR) is one of the major obstacles in successful chemotherapy. The combination of chemotherapy drugs and multidrug-resistant reversing agents for treating MDR tumor is a good strategy to overcome MDR. In this work, we prepared the simple redox-responsive micelles based on mPEG-SS-C18 as a co-delivery system to load the paclitaxel (PTX) and dasatinib (DAS) for treatment of MCF-7/ADR cells. The co-loaded micelles had a good dispersity and a spherical shape with a uniform size distribution, and they could quickly disassemble and rapidly release drugs under the reduction environment. Compared with MCF-7 cells, the DAS and PTX co-loaded redox-sensitive micelle (SS-PDNPs) showed stronger cytotoxicity and a more improving intracellular drug concentration than other drug formulations in MCF-7/ADR cells. In summary, the results suggested that the simple co-delivery micelles of PTX and DAS possessed significant potential to overcome drug resistance in cancer therapy.

Keywords: redox responsive, overcoming multidrug resistant, co-delivery, paclitaxel, dasatinib

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