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Cholate-modified polymer-lipid hybrid nanoparticles for oral delivery of quercetin to potentiate the antileukemic effect

Authors Yin J, Hou Y, Song X, Wang P, Li Y

Received 26 March 2019

Accepted for publication 8 May 2019

Published 31 May 2019 Volume 2019:14 Pages 4045—4057


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Thiruganesh Ramasamy

Peer reviewer comments 2

Editor who approved publication: Dr Mian Wang

Juntao Yin,1 Yantao Hou,2 Xiaoyong Song,3 Peiqing Wang,1 Yang Li1

1Department of Pharmaceutics, Huaihe Hospital Affiliated to Henan University, Kaifeng, People’s Republic of China; 2Henan Vocational College of Applied Technology, Kaifeng, People’s Republic of China; 3School of Pharmacy, Henan University, Kaifeng, People’s Republic of China

Background: Quercetin (QUE) shows a potential antileukemic activity, but possesses poor solubility and low bioavailability.
Purpose: This article explored the bile salt transport pathway for oral deliver of QUE using cholate-modified polymer-lipid hybrid nanoparticles (cPLNs) aiming to enhance its antileukemic effect.
Methods: QUE-loaded cPLNs (QUE-cPLNs) were developed through a nanoprecipitation technique and characterized by particle size, entrapment efficiency (EE), microscopic morphology and in vitro drug release. In vitro cellular uptake and cytotoxicity of QUE-cPLNs were examined on Caco-2 and P388 cells; in vivo pharmacokinetics and antileukemic effect were evaluated using Sprague Dawley rats and leukemic model mice, respectively.
Results: The prepared QUE-cPLNs possessed a particle size of 110 nm around with an EE of 96.22%. QUE-cPLNs resulted in significantly enhanced bioavailability of QUE, up to 375.12% relative to the formulation of suspensions. In addition, QUE-cPLNs exhibited excellent cellular uptake and internalization capability compared to cholate-free QUE-PLNs. The in vitro cytotoxic and in vivo antileukemic effects of QUE-cPLNs were also signally superior to free QUE and QUE-PLNs.
Conclusion: These findings indicate that cPLNs are a promising nanocarrier able to improve the oral bioavailability and therapeutic index of QUE.

Keywords: quercetin, polymer-lipid hybrid nanoparticles, bile salt, bioavailability, leukemia

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