Disulfide-cleavage- and pH-triggered drug delivery based on a vesicle structured amphiphilic self-assembly

被引:23
|
作者
Ding, Chengqiang [1 ]
Wu, Hongwei [2 ]
Yin, Zheng-Zhi [3 ]
Gao, Jun [4 ]
Wu, Datong [1 ]
Qin, Yong [1 ]
Kong, Yong [1 ]
机构
[1] Changzhou Univ, Sch Petrochem Engn, Jiangsu Key Lab Adv Mat & Technol, Changzhou 213164, Peoples R China
[2] Xinxiang Med Univ, Dept Chem, Xinxiang 453000, Henan, Peoples R China
[3] Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China
[4] Nanjing Tradit Chinese Med Univ, Affiliated Hosp, Dept Orthoped, Changzhou 213003, Peoples R China
基金
中国国家自然科学基金;
关键词
Multi-triggered drug delivery; Amphiphilicity; Vesicle structure; Self-assembly; Glutathione; CONTROLLED-RELEASE; ALPHA-TOCOPHEROL; IN-VITRO; MICELLES; VIVO; CHEMOTHERAPY; CHITOSAN; PLATFORM; SHELL;
D O I
10.1016/j.msec.2019.110366
中图分类号
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号
0805 ; 080501 ; 080502 ;
摘要
Hydrophilic poly (acrylic acid) (PAA) and hydrophobic a-tocopherol succinate (TOS) were integrated via a two-step amidation with cystamine (Cys) as the linkage, and then the self-assembly of amphiphilic PAA-cys-TOS occurred in the aqueous solution of methorrexate (MTX), an anti-cancer drug, resulting a vesicle structured drug carrier. Since the disulfide (-S-S-) bridge of Cys is sensitive to glutathione (GSH) and the amide bonds in PAA-cys-TOS are sensitive to pH, disulfide-cleavage- and pH-triggered drug delivery was achieved with the amphiphilic self-assembly. Of particular interest was that the topography of the self-assembly varied remarkably during the triggered delivery, which was indicated by TEM results.
引用
收藏
页数:8
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