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Almeida A, Linares V, Mora-Castaño G, Casas M, Caraballo I, Sarmento B. 3D printed systems for colon-specific delivery of camptothecin-loaded chitosan micelles. Eur J Pharm Biopharm 2021; 167:48-56. [PMID: 34280496 DOI: 10.1016/j.ejpb.2021.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/14/2021] [Accepted: 07/10/2021] [Indexed: 02/08/2023]
Abstract
The use of 3D printing technology in the manufacturing of drug delivery systems has expanded and benefit of a customized care. The ability to create tailor-made structures filled with drugs/delivery systems with suitable drug dosage is especially appealing in the field of nanomedicine. In this work, chitosan-based polymeric micelles loaded with camptothecin (CPT) were incorporated into 3D printing systems (printfills) sealed with an enteric layer, aiming to protect the nanosystems from the harsh environment of the gastrointestinal tract (GIT). Polymeric micelles and printfills were fully characterized and, a simulated digestion of the 3D systems upon an oral administration was performed. The printfills maintained intact at the simulated gastric pH of the stomach and, only released the micelles at the colonic pH. From there, the dissolution media was used to recreate the intestinal absorption and, chitosan micelles showed a significant increase of the CPT permeability compared to the free drug, reaching an apparent permeability coefficient (Papp) of around 9×10-6 cm/s in a 3D intestinal cell-based model. The combination of 3D printing with nanotechnology appears to have great potential for the colon-specific release of polymeric micelles, thereby increasing intestinal absorption while protecting the system/drug from degradation throughout the GIT.
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Affiliation(s)
- Andreia Almeida
- INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Vicente Linares
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, C/Profesor García González 2, 41012 Seville, Spain
| | - Gloria Mora-Castaño
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, C/Profesor García González 2, 41012 Seville, Spain
| | - Marta Casas
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, C/Profesor García González 2, 41012 Seville, Spain
| | - Isidoro Caraballo
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, C/Profesor García González 2, 41012 Seville, Spain
| | - Bruno Sarmento
- INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central da Gandra, 137, 4585-116 Gandra, Portugal.
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He W, Du Y, Zhou W, Yao C, Li X. Redox-sensitive dimeric camptothecin phosphatidylcholines-based liposomes for improved anticancer efficacy. Nanomedicine (Lond) 2019; 14:3057-3074. [DOI: 10.2217/nnm-2019-0261] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Aim: A redox-triggered camptothecin (CPT) liposomal system was developed for an improved clinical potential in tumor therapy. Materials & methods: CPT–phosphorylcholine conjugates (CPT–SS–GPCs: CPT–SS–3–GPC and CPT–SS–11–GPC) were synthesized by conjugating CPT to glycerylphosphorylcholine via disulfide bond linker. CPT–SS–GPCs could be assembled into liposomes. Different in vitro and in vivo analyses were used to evaluate the anticancer activities of CPT–SS–GPCs. Results: CPT–SS–GPCs liposomes exhibited extremely high drug loading and uniform size of 150–200 nm. Moreover, the rapid release of parent CPT in reductive condition and high cellular uptake of CPT–SS–GPCs liposomes were observed. At last, in vitro and in vivo anticancer assay showed the enhanced efficacy of CPT–SS–GPCs liposomes. Conclusion: Redox-triggered CPT–SS–GPC liposomes have great potential in tumor therapy.
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Affiliation(s)
- Wei He
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Yawei Du
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Wenya Zhou
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Chen Yao
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Xinsong Li
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
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Ma X, Liu J, Lei L, Yang H, Lei Z. Synthesis of light and dual‐redox triple‐stimuli‐responsive core‐crosslinked micelles as nanocarriers for controlled release. J Appl Polym Sci 2019. [DOI: 10.1002/app.47946] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xiao Ma
- Key Laboratory of Applied Surface and Colloid ChemistrySchool of Chemistry & Chemical Engineering, Shaanxi Normal University Xi'an 710062 China
| | - Jiangtao Liu
- College of PharmacyShaanxi University of Chinese Medicine Xianyang 712046 China
| | - Lei Lei
- Key Laboratory of Applied Surface and Colloid ChemistrySchool of Chemistry & Chemical Engineering, Shaanxi Normal University Xi'an 710062 China
| | - Hong Yang
- Basic Experimental Teaching CenterShaanxi Normal University Xi'an 710062 China
| | - Zhongli Lei
- Key Laboratory of Applied Surface and Colloid ChemistrySchool of Chemistry & Chemical Engineering, Shaanxi Normal University Xi'an 710062 China
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Elkassih SA, Kos P, Xiong H, Siegwart DJ. Degradable redox-responsive disulfide-based nanogel drug carriers via dithiol oxidation polymerization. Biomater Sci 2019; 7:607-617. [PMID: 30462102 PMCID: PMC7031860 DOI: 10.1039/c8bm01120f] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Stimuli-responsive nanogels are important drug and gene carriers that mediate the controlled release of therapeutic molecules. Herein, we report the synthesis of fully degradable disulfide cross-linked nanogel drug carriers formed by oxidative radical polymerization of 2,2'-(ethylenedioxy)diethanethiol (EDDET) as a monomer with different cross-linkers, including pentaerythritol tetramercaptoacetate (PETMA). Because the poly(EDDET) backbone repeat structure and cross-linking junctions are composed entirely of disulfide bonds, these nanogels specifically degrade to small molecule dithiols intracellularly in response to the reducing agent glutathione present inside of cells. Cross-linked nanogels were synthesized using controlled microfluidic mixing in the presence of a nonionic Pluronic surfactant PLU-127 to increase the nanogel stability. Adjusting the monomer to cross-linker ratio from 5 : 1 to 100 : 1 (mol/mol) tuned the cross-linking density, resulting in swelling ratios from 1.65 to >3. Increasing the amount of stabilizing Pluronic surfactant resulted in a decrease of nanogel diameter, as expected due to increased surface area of the resulting nanogels. The monomer to cross-linker ratio in the feed had no effect on the formed nanogel diameter, providing a way to control cross-linking density with constant nanogel size but tunable drug release kinetics. Nanogels exhibited an entrapment efficiency of up to 75% for loading of Rhodamine B dye. In vitro studies showed low cytotoxicity, quick uptake, and fast degradation kinetics. Due to the ease of synthesis, rapid gelation times, and tunable functionality, these non-toxic and fully degradable nanogels offer potential for use in a variety of drug delivery applications.
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Affiliation(s)
- Sussana A Elkassih
- University of Texas Southwestern Medical Center, Simmons Comprehensive Cancer Center, Department of Biochemistry, Dallas, Texas 75390, USA.
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Chen T, Xiao Y, Lu W, Liu S, Gan L, Yu J, Huang J. Facile preparation of core cross-linked nanomicelles based on graft copolymers with pH responsivity and reduction sensitivity for doxorubicin delivery. Colloids Surf B Biointerfaces 2018; 161:606-613. [DOI: 10.1016/j.colsurfb.2017.11.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 11/01/2017] [Accepted: 11/15/2017] [Indexed: 10/18/2022]
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6
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Nguyen Thi TT, Tran TV, Tran NQ, Nguyen CK, Nguyen DH. Hierarchical self-assembly of heparin-PEG end-capped porous silica as a redox sensitive nanocarrier for doxorubicin delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:947-954. [DOI: 10.1016/j.msec.2016.04.085] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 03/28/2016] [Accepted: 04/24/2016] [Indexed: 11/30/2022]
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Orban DE, Moretti A, Uhrich KE. Spatial location of indomethacin associated with unimeric amphiphilic carrier macromolecules as determined by nuclear magnetic resonance spectroscopy. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2016; 54:575-583. [PMID: 26864907 DOI: 10.1002/mrc.4401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 11/23/2015] [Accepted: 11/27/2015] [Indexed: 06/05/2023]
Abstract
A combination of nuclear magnetic resonance (NMR) techniques including, proton NMR, relaxation analysis, two-dimensional nuclear Overhauser effect spectroscopy, and diffusion-ordered spectroscopy, has been used to demonstrate the spatial location of indomethacin within a unimolecular micelle. Understanding the location of drugs within carrier molecules using such NMR techniques can facilitate rational carrier design. In addition, this information provides insight to encapsulation efficiency of different drugs to determine the most efficient system for a particular bioactive. This study demonstrates that drugs loaded by the unimolecular amphiphile under investigation are not necessarily encapsulated but reside or localize to the periphery or interfacial region of the carrier molecule. The results have further implications as to the features of the unimolecular carrier that contribute to drug loading. In addition, evidence of drug retention associated with the unimolecular surfactant is possible in organic media, as well as in an aqueous environment. Such findings have implications for rational carrier design to correlate the carrier features to the drug of interest and indicate the strong retention capabilities of the unimolecular micelle for delivery applications. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- David E Orban
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
- Air Liquide - Advanced Materials, Branchburg, NJ, 08876, USA
| | - Alysha Moretti
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Kathryn E Uhrich
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
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Akram M, Wang L, Yu H, Khalid H, Abbasi NM, ul-Abdin Z, Chen Y, Sun R, Jie S, Saleem M. Synthesis of reductive responsive polyphosphazenes and their fabrication of nanocarriers for drug delivery application. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1149847] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Muhammad Akram
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Li Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Haojie Yu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Hamad Khalid
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Nasir M. Abbasi
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Zain- ul-Abdin
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Yongsheng Chen
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Ruoli Sun
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Shan Jie
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Muhammad Saleem
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
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Liu J, Luo Z, Zhang J, Luo T, Zhou J, Zhao X, Cai K. Hollow mesoporous silica nanoparticles facilitated drug delivery via cascade pH stimuli in tumor microenvironment for tumor therapy. Biomaterials 2016; 83:51-65. [DOI: 10.1016/j.biomaterials.2016.01.008] [Citation(s) in RCA: 187] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Accepted: 01/01/2016] [Indexed: 01/26/2023]
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Cheng W, Gu L, Ren W, Liu Y. Stimuli-responsive polymers for anti-cancer drug delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 45:600-8. [DOI: 10.1016/j.msec.2014.05.050] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 05/23/2014] [Indexed: 12/11/2022]
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Cai M, Zhu K, Qiu Y, Liu X, Chen Y, Luo X. pH and redox-responsive mixed micelles for enhanced intracellular drug release. Colloids Surf B Biointerfaces 2014; 116:424-31. [DOI: 10.1016/j.colsurfb.2014.01.012] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 12/23/2013] [Accepted: 01/12/2014] [Indexed: 12/26/2022]
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12
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Liu YS, Chiu CC, Chen HY, Chen SH, Wang LF. Preparation of chondroitin sulfate-g-poly(ε-caprolactone) copolymers as a CD44-targeted vehicle for enhanced intracellular uptake. Mol Pharm 2014; 11:1164-75. [PMID: 24592868 DOI: 10.1021/mp400607h] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chondroitin sulfate-g-poly(ε-caprolactone) (CP) copolymers were synthesized via atom transfer radical addition (ATRA). The CP copolymers self-assembled into micelles in water, and the micelles could be used to encapsulate a hydrophobic anticancer drug, camptothecin (CPT), in the core for tumor targeting delivery. The physicochemical properties of the micelles and CPT-loaded micelles were thoroughly characterized. For the in vitro test, the CPT release, the protection of the lactone ring of CPT from hydrolysis and the cellular uptake of CPT were studied. The cell-killing and apoptosis-inducing effects using the CPT-loaded micelles were significantly better than using free CPT against CRL-5802 cells. The micellar internalization into CRL-5802 cells was primarily via CD44 and clathrin dual-mediated endocytosis. For the in vivo test, the therapeutic efficacy of the CPT-loaded micelles was studied in a non-small-cell lung cancer xenograft animal model. The CPT-loaded micelles showed good inhibition in tumor growth as compared with a commercial product, CPT-11, in CRL-5802 tumor-bearing mice. The in vitro and in vivo data suggested the CP-based micelles are promising anticancer drug vehicles for lung cancer targeting.
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Affiliation(s)
- Yu-Sheng Liu
- Department of Medicinal & Applied Chemistry, ‡Department of Biotechnology, and §School of Pharmacy, Kaohsiung Medical University , Kaohsiung 80708, Taiwan
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Meng H, Xu K, Xu Y, Luo P, Du F, Huang J, Lu W, Yu J, Liu S, Muir B. Nanocapsules based on mPEGylated artesunate prodrug and its cytotoxicity. Colloids Surf B Biointerfaces 2013; 115:164-9. [PMID: 24334269 DOI: 10.1016/j.colsurfb.2013.11.039] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Revised: 11/19/2013] [Accepted: 11/19/2013] [Indexed: 12/20/2022]
Abstract
mPEGylated artesunate prodrug was synthesized via esterification between poly(ethylene glycol) monomethyl ether (mPEG) and artesunate (ART). The product was inclined to form nanocapsules in aqueous media due to its amphiphilic nature. These nanocapsules showed narrow size distribution, with an average particle size of 88.7 nm measured by dynamic laser scattering (DLS). Their vesical morphology was further confirmed by transmission electron microscopy (TEM). We found that the release of ART from the nanocapsules was controllable, which was contributed to the easily hydrolyzed property of the ester bond. In addition, the cytotoxicity of the prodrug against L1210 and MCF7 cell lines showed an essential decrease compared with the free ART. These results present a new strategy in designing anti-tumor ART nanocapsules for targeting tumor cells.
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Affiliation(s)
- Haijing Meng
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China
| | - Ke Xu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China
| | - Yanyun Xu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China
| | - Ping Luo
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China
| | - Fang Du
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China
| | - Jin Huang
- College of Chemical Engineering, Wuhan University of Technology, Wuhan 430070, PR China
| | - Wei Lu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China
| | - Jiahui Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai 200062, PR China.
| | - Shiyuan Liu
- Department of Diagnostic Imaging, Changzheng Hospital, Shanghai 200003, PR China
| | - Ben Muir
- The Commonwealth Scientific and Industrial Research Organisation, Bayview Avenue, Bag 10, Clayton South, Melbourne, Victoria 3169, Australia
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