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Slomkowski S, Basinska T, Gadzinowski M, Mickiewicz D. Polyesters and Polyester Nano- and Microcarriers for Drug Delivery. Polymers (Basel) 2024; 16:2503. [PMID: 39274136 PMCID: PMC11397835 DOI: 10.3390/polym16172503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 08/26/2024] [Accepted: 08/29/2024] [Indexed: 09/16/2024] Open
Abstract
Many therapies require the transport of therapeutic compounds or substances encapsulated in carriers that reduce or, if possible, eliminate their direct contact with healthy tissue and components of the immune system, which may react to them as something foreign and dangerous to the patient's body. To date, inorganic nanoparticles, solid lipids, micelles and micellar aggregates, liposomes, polymeric micelles, and other polymer assemblies were tested as drug carriers. Specifically, using polymers creates a variety of options to prepare nanocarriers tailored to the chosen needs. Among polymers, aliphatic polyesters are a particularly important group. The review discusses controlled synthesis of poly(β-butyrolactone)s, polylactides, polyglycolide, poly(ε-caprolactone), and copolymers containing polymacrolactone units with double bonds suitable for preparation of functionalized nanoparticles. Discussed are syntheses of aliphatic polymers with controlled molar masses ranging from a few thousand to 106 and, in the case of polyesters with chiral centers in the chains, with controlled microstructure. The review presents also a collection of methods useful for the preparation of the drug-loaded nanocarriers: classical, developed and mastered more recently (e.g., nanoprecipitation), and forgotten but still with great potential (by the direct synthesis of the drug-loaded nanoparticles in the process comprising monomer and drug). The article describes also in-vitro and model in-vivo studies for the brain-targeted drugs based on polyester-containing nanocarriers and presents a brief update on the clinical studies and the polyester nanocarrier formulation approved for application in the clinics in South Korea for the treatment of breast, lung, and ovarian cancers.
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Affiliation(s)
- Stanislaw Slomkowski
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
| | - Teresa Basinska
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
| | - Mariusz Gadzinowski
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
| | - Damian Mickiewicz
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
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Cheng X, Li H, Sun X, Xu T, Guo Z, Du X, Li S, Li X, Xing X, Qiu D. Visible-Light-Induced Diselenide-Crosslinked Polymeric Micelles for ROS-Triggered Drug Delivery. Molecules 2024; 29:3970. [PMID: 39203048 PMCID: PMC11357037 DOI: 10.3390/molecules29163970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 08/04/2024] [Accepted: 08/14/2024] [Indexed: 09/03/2024] Open
Abstract
To synthesize an effective and versatile nano-platform serving as a promising carrier for controlled drug delivery, visible-light-induced diselenide-crosslinked polyurethane micelles were designed and prepared for ROS-triggered on-demand doxorubicin (DOX) release. A rationally designed amphiphilic block copolymer, poly(ethylene glycol)-b-poly(diselenolane diol-co-isophorone diisocyanate)-b-poly(ethylene glycol) (PEG-b-PUSe-b-PEG), which incorporates dangling diselenolane groups within the hydrophobic PU segments, was initially synthesized through the polycondensation reaction. In aqueous media, this type of amphiphilic block copolymer can self-assemble into micellar aggregates and encapsulate DOX within the micellar core, forming DOX-loaded micelles that are subsequently in situ core-crosslinked by diselenides via a visible-light-triggered metathesis reaction of Se-Se bonds. Compared with the non-crosslinked micelles (NCLMs), the as-prepared diselenide-crosslinked micelles (CLMs) exhibited a smaller particle size and improved colloidal stability. In vitro release studies have demonstrated suppressed drug release behavior for CLMs in physiological conditions, as compared to the NCLMs, whereas a burst release of DOX occurred upon exposure to an oxidation environment. Moreover, MTT assay results have revealed that the crosslinked polyurethane micelles displayed no significant cytotoxicity towards HeLa cells. Cellular uptake analyses have suggested the effective internalization of DOX-loaded crosslinked micelles and DOX release within cancer cells. These findings suggest that this kind of ROS-triggered reversibly crosslinked polyurethane micelles hold significant potential as a ROS-responsive drug delivery system.
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Affiliation(s)
- Xinfeng Cheng
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | | | | | | | | | | | | | | | | | - Dongfang Qiu
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
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Cheng X, Li Q, Sun X, Ma Y, Xie H, Kong W, Du X, Zhang Z, Qiu D, Jin Y. Well-Defined Shell-Sheddable Core-Crosslinked Micelles with pH and Oxidation Dual-Response for On-Demand Drug Delivery. Polymers (Basel) 2023; 15:polym15091990. [PMID: 37177138 PMCID: PMC10180867 DOI: 10.3390/polym15091990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/09/2023] [Accepted: 04/10/2023] [Indexed: 05/15/2023] Open
Abstract
Micellar-nanocarrier-based drug delivery systems possessing characteristics such as an excellent circulation stability, inhibited premature release and on-demand site-specific release are urgently needed for enhanced therapeutic efficacy. Therefore, a novel kind of shell-sheddable core-crosslinked polymeric micelles with pH and oxidation dual-triggered on-demand drug release behavior was facilely constructed. The multifunctional micelles were self-assembled from a carefully designed amphiphilic triblock PEGylated polyurethane (PEG-acetal-PUBr-acetal-PEG) employing an acid-labile acetal linker at the hydrophilic-hydrophobic interface and pendant reactive bromo-containing polyurethane (PU) as the hydrophobic block, followed by a post-crosslinking via oxidation-cleavable diselenide linkages. These well-defined micelles exhibited an enhanced structural stability against dilution, achieved through the incorporation of diselenide crosslinkers. As expected, they were found to possess dual pH- and oxidation-responsive dissociation behaviors when exposure to acid pH (~5.0) and 50 mM H2O2 conditions, as evidenced using dynamic light-scattering (DLS) and atomic force microscopy (AFM) analyses. An in vitro drug release investigation showed that the drug indomethacin (IND) could be efficiently encapsulated in the micelles, which demonstrated an inhibited premature release compared to the non-crosslinked ones. It is noteworthy that the resulting micelles could efficiently release entrapped drugs at a fast rate in response to either pH or oxidation stimuli. Moreover, the release could be significantly accelerated in the presence of both acid pH and oxidation conditions, relative to a single stimulus, owing to the synergetic degradation of micelles through pH-induced dePEGylation and oxidation-triggered decrosslinking processes. The proposed shell-sheddable core-crosslinked micelles with a pH and oxidation dual-response could be potential candidates as drug carriers for on-demand drug delivery.
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Affiliation(s)
- Xinfeng Cheng
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Qiyang Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Xiaomeng Sun
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Yuxin Ma
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Huanping Xie
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Weiguang Kong
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Xianchao Du
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Zhenghui Zhang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Dongfang Qiu
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Yong Jin
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
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Sikder A, Vambhurkar G, Amulya E, Bagasariya D, Famta P, Shah S, Khatri DK, Singh SB, Sinha VR, Srivastava S. Advancements in redox-sensitive micelles as nanotheranostics: A new horizon in cancer management. J Control Release 2022; 349:1009-1030. [PMID: 35961470 DOI: 10.1016/j.jconrel.2022.08.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 12/24/2022]
Abstract
World Health Organisation (WHO) delineated cancer as one of the foremost reasons for mortality with 10 million deaths in the year 2020. Early diagnosis and effective drug delivery are of utmost importance in cancer management. The entrapment of both bio-imaging dyes and drugs will open novel avenues in the area of tumor theranostics. Elevated levels of reactive oxygen species (ROS) and glutathione (GSH) are the characteristic features of the tumor microenvironment (TME). Researchers have taken advantage of these specific TME features in recent years to develop micelle-based theranostic nanosystems. This review focuses on the advantages of redox-sensitive micelles (RSMs) and supramolecular self-assemblies for tumor theranostics. Key chemical linkers employed for the tumor-specific release of the cargo have been discussed. In vitro characterisation techniques used for the characterization of RSMs have been deliberated. Potential bottlenecks that may present themselves in the bench-to-bedside translation of this technology and the regulatory considerations have been deliberated.
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Affiliation(s)
- Anupama Sikder
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Ganesh Vambhurkar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Etikala Amulya
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Deepkumar Bagasariya
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Paras Famta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Saurabh Shah
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Dharmendra Kumar Khatri
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Shashi Bala Singh
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - V R Sinha
- Department of Pharmaceutics, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, India
| | - Saurabh Srivastava
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India.
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Liu T, Lang M. Preparation and characterization of novel functional tri-block copolymer for constructing temperature/redox dual-stimuli responsive micelles. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2022. [DOI: 10.1080/10601325.2022.2092409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Tianyue Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
| | - Meidong Lang
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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Ramesh K, Yadav S, Mishra AK, Jo S, Park S, Oh C, Lim KT. Interface‐cross
‐linked micelles of poly(D,L‐lactide)‐
b
‐poly(furfuryl methacrylate)‐
b
‐poly(N‐acryloylmorpholine) for near‐infrared‐triggered drug delivery application. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kalyan Ramesh
- Department of Display Engineering Pukyong National University Busan South Korea
- Department of Chemistry University of Massachusetts Lowell Lowell Massachusetts USA
| | - Sonyabapu Yadav
- Department of Display Engineering Pukyong National University Busan South Korea
| | - Avnish Kumar Mishra
- School of Materials Science and Engineering Gwangju Institute of Science and Technology (GIST) Gwangju South Korea
| | - Sung‐Han Jo
- Department of Biomedical Engineering Pukyong National University Busan South Korea
| | - Sang‐Hyug Park
- Department of Biomedical Engineering Pukyong National University Busan South Korea
| | - Chul‐Woong Oh
- Department of Marine Biology Pukyong National University Busan South Korea
| | - Kwon Taek Lim
- Department of Display Engineering Pukyong National University Busan South Korea
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Oral administration of pH-responsive polyamine modified cyclodextrin nanoparticles for controlled release of anti-tumor drugs. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105175] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Yan C, Yang L, Mo X, Chen K, Niu W, Zhao Z, Li G. Dual Thermo- and Photo-Responsive Micelles Based on Azobenzene-Containing Random Copolymer. MATERIALS (BASEL, SWITZERLAND) 2021; 15:2. [PMID: 35009149 PMCID: PMC8746059 DOI: 10.3390/ma15010002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 01/14/2023]
Abstract
Amphiphilic random copolymer poly(methacrylamido-azobenzene)-ran-poly(2-hydroxyethylacrylate) (PMAAAB-ran-PHEA) was synthesized via hydrolysis of poly(methacrylamido-azobenzene)-ran-poly[2-((2'-tetrahydropyranyl)oxy)ethylacrylate] (PMAAAB-ran-P(THP-HEA)), which was prepared by conventional radical polymerization. PMAAAB-ran-PHEA micelles were then prepared via dialysis method against water with DMF as solvent. The structure, morphology, size, and low critical solution temperature (LCST) of PMAAAB-ran-PHEA and its micelles were determined by 1H-NMR, GPC, TEM, and DLS. The thermo- and photo-responsive behaviors of the resulting polymer micelles were investigated with Nile red as a fluorescence probe. The results showed that PMAAAB-ran-PHEA micelles were porous or bowl-shaped and its size was 135-150 nm, and its LCST was 55 °C when FMAAAB of the random copolymer was 0.5351; the hydrophobicity of the micellar core was changed reversibly under the irradiation of UV light and visible light without release of Nile red or disruption of micelles; the size and solubilization capacity of the micelles were dependent on temperature, and Nile red would migrate for many times between the water phase and the micelles, and finally increasingly accumulated during the repeated heating and cooling processes.
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Affiliation(s)
- Chuan Yan
- Guangxi Key Laboratory of Petrochemical Resource Processing & Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China; (C.Y.); (X.M.); (K.C.)
| | - Liqin Yang
- Hebei Functional Polymer Materials R&D and Engineering Application Technology Innovation Center, College of Chemistry & Chemical Engineering, Xingtai University, Xingtai 050041, China; (L.Y.); (W.N.)
| | - Xiangquan Mo
- Guangxi Key Laboratory of Petrochemical Resource Processing & Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China; (C.Y.); (X.M.); (K.C.)
| | - Keying Chen
- Guangxi Key Laboratory of Petrochemical Resource Processing & Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China; (C.Y.); (X.M.); (K.C.)
| | - Weiya Niu
- Hebei Functional Polymer Materials R&D and Engineering Application Technology Innovation Center, College of Chemistry & Chemical Engineering, Xingtai University, Xingtai 050041, China; (L.Y.); (W.N.)
| | - Zhiju Zhao
- Hebei Functional Polymer Materials R&D and Engineering Application Technology Innovation Center, College of Chemistry & Chemical Engineering, Xingtai University, Xingtai 050041, China; (L.Y.); (W.N.)
| | - Guanghua Li
- Guangxi Key Laboratory of Petrochemical Resource Processing & Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China; (C.Y.); (X.M.); (K.C.)
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