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Paclitaxel‐Loaded β ‐Cyclodextrin‐Modified Poly(Acrylic Acid) Nanoparticles through Multivalent Inclusion for Anticancer Therapy
Author(s) -
Yuan Shanmei,
Chen Jiao,
Sheng Jie,
Hu Yong,
Jiang Zhongying
Publication year - 2016
Publication title -
macromolecular bioscience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.924
H-Index - 105
eISSN - 1616-5195
pISSN - 1616-5187
DOI - 10.1002/mabi.201500302
Subject(s) - cyclodextrin , acrylic acid , paclitaxel , nanoparticle , chemistry , polymer chemistry , materials science , nanotechnology , organic chemistry , copolymer , polymer , chemotherapy , medicine , surgery
A nanoassembled drug delivery system for anticancer treatment, formed by the host–guest interactions between paclitaxel (PTX) and β‐ cyclodextrin ( β ‐CD) modified poly(acrylic acid) (PCDAA), is successfully prepared. After such design, the aqueous solubility of PTX is greatly increased from 0.34 to 36.02 μg mL −1 , and the obtained PCDAA‐PTX nanoparticles (PCDAA‐PTX NPs) exhibit a sustained PTX release behavior in vitro. In vitro cytotoxicity finds that PCDAA‐PTX NPs can accumulate significantly in tumor cells and remain the pharmacological activity of PTX. The in vivo real‐time biodistribution of PCDAA‐PTX NPs is investigated using near‐infrared fluorescence imaging, indicating that the PCDAA‐PTX NPs can effectively target to the tumor site by the enhanced permeability and retention effect in H22 tumor‐bearing mice. Through in vivo antitumor examination, PCDAA‐PTX NPs exhibit superior efficacy in impeding the tumor growth compared to the commercially available Taxol®.

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