PEG-Detachable Polymeric Micelles Self-Assembled from Amphiphilic Copolymers for Tumor-Acidity-Triggered Drug Delivery and Controlled Release

2019 ◽  
Vol 11 (6) ◽  
pp. 5701-5713 ◽  
Author(s):  
Mengzhen Xu ◽  
Can Yang Zhang ◽  
Junguang Wu ◽  
Huige Zhou ◽  
Ru Bai ◽  
...  
2000 ◽  
Vol 205 (1-2) ◽  
pp. 165-172 ◽  
Author(s):  
In-Sook Kim ◽  
Young-Il Jeong ◽  
Chong-Su Cho ◽  
Sung-Ho Kim

2017 ◽  
Vol 5 (3) ◽  
pp. 444-454 ◽  
Author(s):  
Zhigang Xu ◽  
Meili Hou ◽  
Xiaoxiao Shi ◽  
Yong-E. Gao ◽  
Peng Xue ◽  
...  

Self-assembled small molecular prodrug loaded with camptothecin in response to glutathione and folate receptors for combined tumour detection and treatment.


RSC Advances ◽  
2014 ◽  
Vol 4 (98) ◽  
pp. 55139-55149 ◽  
Author(s):  
Jinlong Yang ◽  
Chunmei Gao ◽  
Shaoyu Lü ◽  
Xinggang Wang ◽  
Mingjia Chen ◽  
...  

2011 ◽  
Vol 85 (1) ◽  
pp. 86-91 ◽  
Author(s):  
Wei Xun ◽  
Hui-Yuan Wang ◽  
Ze-Yong Li ◽  
Si-Xue Cheng ◽  
Xian-Zheng Zhang ◽  
...  

MRS Bulletin ◽  
2010 ◽  
Vol 35 (9) ◽  
pp. 665-672 ◽  
Author(s):  
Christine Jérôme

Extensive research activity is currently devoted to controlled drug delivery systems, mainly as nano-sized particles. Although biocompatible and (bio)degradable polymers play a key role in this field, their shaping into colloidal particles (e.g., polymeric micelles and nanoparticles) usually requires the proper design of amphiphilic copolymers as effective stabilizers. Strategies for synthesizing these copolymers that preserve the intrinsic properties of the constitutive polymers are discussed in this article. Synthesis of amphiphilic copolymers with a more complex structure and endowed with functionality is also considered, with the purpose of enhancing the performance of the nanocarriers. The focus is increasingly on nanocarriers of the third generation, which resist coalescence and elimination by the immune system, and which are readily incorporated into chosen target cells. The more recent quest is for smart nanocarriers that exhibit the additional capacity of being stimuli-responsive.


Polymer ◽  
2014 ◽  
Vol 55 (13) ◽  
pp. 2977-2985 ◽  
Author(s):  
Fangxia Zhu ◽  
Qinglai Yang ◽  
Yuan Zhuang ◽  
Yuanqing Zhang ◽  
Zhifeng Shao ◽  
...  

NANO ◽  
2020 ◽  
Vol 15 (03) ◽  
pp. 2050040 ◽  
Author(s):  
Jia Liu ◽  
Juan Li ◽  
Tingting Liu

In this report, mixed polymeric micelles (MPMs) system self-assembled from two kinds of cholesterol-grafted amphiphilic block copolymers cholesterol modified poly ([Formula: see text]-amino esters)-grafted disulfide poly (ethylene glycol) methyl ether (PAE(-ss-mPEG)-[Formula: see text]-Chol) and poly([Formula: see text]-amino ester)-g-poly(ethylene glycol) methyl ether-cholesterol (PAE-[Formula: see text]-mPEG-Chol) were prepared for drug delivery and controlled release with pH and redox-responsibilities. The self-assembly of two block copolymers was evaluated by measurement of critical micelle concentration (CMC) values using fluorescence spectroscopy. The hydrodynamic diameter, polydispersity index (PDI) and zeta-potential of MPMs in aqueous were recorded by dynamic light scattering (DLS) at different conditions. Doxorubicin (DOX) was efficiently encapsulated in the micellar core by the hydrophobic interaction. The drug loading content (LC) and encapsulation efficacy (EE) of MPMs with different formulations were evaluated. The DOX was released due to the swelling and disassembly of MPMs induced by low pH and high glutathione (GSH) concentrations. The in vitro results demonstrated that drug release rate and cumulative release were obviously dependent on pH values and reducing agents. The results showed that the MPMs could be the potential anticancer drug delivery carriers with pH/redox-triggered drug release profile.


Sign in / Sign up

Export Citation Format

Share Document