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A carbon nanotube-gemcitabine-lentinan three-component composite for chemo-photothermal synergistic therapy of cancer

Authors Zhang P, Yi W, Hou J, Yoo S, Jin W, Yang Q

Received 10 February 2018

Accepted for publication 16 March 2018

Published 25 May 2018 Volume 2018:13 Pages 3069—3080


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Linlin Sun

Ping Zhang,1,2 Wenhui Yi,1,2 Jin Hou,3 Sweejiang Yoo,1,2 Weiqiu Jin,1,2 Qisheng Yang1,2

1Key Laboratory for Physical Electronics and Devices of the Ministry of Education, School of Information and Electronics Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China; 2Key Laboratory for Information Photonic Technology of Shaanxi Province, School of Information and Electronics Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China; 3Department of Pharmacology, School of Basic Medical Sciences, Xi’an Medical University, Xi’an, Shaanxi, People’s Republic of China

Purpose: Gemcitabine’s clinical application is limited due to its short plasma half-life and poor uptake by cells. To address this problem, a drug delivery three-component composite, multiwalled carbon nanotubes (MWNTs)/gemcitabine (Ge)/lentinan (Le; MWNTs-Ge-Le), was fabricated in our study. Moreover, the combination of chemotherapy and photothermal therapy was employed to enhance antitumor efficacy.
Methods: In this study, we conjugated gemcitabine and lentinan with MWNTs via a covalent and noncovalent way to functionalize with MWNTs, and the chemical structure of MWNTs-Ge-Le was characterized by Fourier transform infrared spectroscopy, Raman spectroscopy, thermogravimetric analysis and transmission electron microscopy. Using the composite and an 808 nm laser, we treated tumors, both in vitro and in vivo, and investigated the photothermal responses and the anticancer efficacy.
Results: The MWNTs-Ge-Le composite could efficiently cross cell membrane, having a higher antitumor activity than MWNTs, gemcitabine and MWNTs-Ge in vitro and in vivo. Our study on the MWNTs-Ge-Le composite with an 808 nm laser radiation showed the combination of drug therapy and near-infrared photothermal therapy possesses great synergistic antitumor efficacy.
Conclusion: The MWNTs-Ge-Le three-component anticancer composite can serve as a promising candidate for cancer therapy in the combination of chemotherapy and photothermal therapy.

Keywords: drug-containing nanocomposites, characterization, near-infrared radiation, cancer therapy

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