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Keldibekova R, Suleimenova S, Nurgozhina G, Kopishev E. Interpolymer Complexes Based on Cellulose Ethers: Application. Polymers (Basel) 2023; 15:3326. [PMID: 37571220 PMCID: PMC10422396 DOI: 10.3390/polym15153326] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023] Open
Abstract
Interpolymer complexes based on cellulose ethers have gained significant interest in recent years due to their versatile applications. These complexes are formed by combining different polymers through non-covalent interactions, resulting in stable structures. This article provides an overview of the various fields where IPCs based on cellulose ethers find application. IPCs based on cellulose ethers show great potential in drug delivery systems. These complexes can encapsulate drugs and enable controlled release, making them suitable for sustained drug delivery. They offer advantages in terms of precise dosage and enhanced therapeutic efficacy. Coatings and adhesives also benefit from IPCs based on cellulose ethers. These complexes can form films with excellent mechanical strength and enhanced water resistance, providing durability and protection. They have applications in various industries where coatings and adhesives play a crucial role. In food packaging, IPCs based on cellulose ethers are highly relevant. These complexes can form films with effective barrier properties against oxygen and water vapor, making them ideal for packaging perishable foods. They help extend to shelf life of food products by minimizing moisture and oxygen transfer. Various methods, such as solvent casting, coacervation, and electrostatic complexation, are employed to synthesize IPCs based on cellulose ethers.
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Affiliation(s)
- Raushan Keldibekova
- Faculty of Natural Sciences, Department of Chemistry, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (R.K.)
| | - Symbat Suleimenova
- Faculty of Natural Sciences, Department of Chemistry, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (R.K.)
| | - Gulden Nurgozhina
- Faculty of Natural Sciences, Department of Chemistry, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (R.K.)
| | - Eldar Kopishev
- Faculty of Natural Sciences, Department of Chemistry, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (R.K.)
- Faculty of Natural Sciences, Department of General and Inorganic Chemistry, Bukhara State University, Bukhara 705018, Uzbekistan
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2
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Applications of Antioxidants in Dental Procedures. Antioxidants (Basel) 2022; 11:antiox11122492. [PMID: 36552699 PMCID: PMC9774737 DOI: 10.3390/antiox11122492] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
As people are paying more and more attention to dental health, various dental treatment procedures have emerged, such as tooth bleaching, dental implants, and dental restorations. However, a large number of free radicals are typically produced during the dental procedures. When the imbalance in distribution of reactive oxygen species (ROS) is induced, oxidative stress coupled with oxidative damage occurs. Oral inflammations such as those in periodontitis and pulpitis are also unavoidable. Therefore, the applications of exogenous antioxidants in oral environment have been proposed. In this article, the origin of ROS during dental procedures, the types of antioxidants, and their working mechanisms are reviewed. Additionally, antioxidants delivery in the complicated dental procedures and their feasibility for clinical applications are also covered. Finally, the importance of safety assessment of these materials and future work to take the challenge in antioxidants development are proposed for perspective.
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3
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Chopra H, Singh I, Kumar S, Bhattacharya T, Rahman MH, Akter R, Kabir MT. Comprehensive Review on Hydrogels. Curr Drug Deliv 2021; 19:658-675. [PMID: 34077344 DOI: 10.2174/1567201818666210601155558] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/26/2021] [Accepted: 04/05/2021] [Indexed: 11/22/2022]
Abstract
The conventional drug delivery systems have a long list of issues of repeated dosing and toxicity arising due to it. The hydrogels are the answer to them and offer a result that minimizes such activities and optimizes therapeutic benefits. The hydrogels proffer tunable properties that can withstand degradation, metabolism, and controlled release moieties. Some of the areas of applications of hydrogels involve wound healing, ocular systems, vaginal gels, scaffolds for tissue, bone engineering, etc. They consist of about 90% of the water that makes them suitable bio-mimic moiety. Here, we present a birds-eye view of various perspectives of hydrogels, along with their applications.
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Affiliation(s)
- Hitesh Chopra
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Rajpura-140401, Patiala, Punjab, India
| | - Inderbir Singh
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Rajpura-140401, Patiala, Punjab, India
| | - Sandeep Kumar
- Department of Pharmaceutics, ASBASJSM College of Pharmacy, Bela-140111, Ropar, Punjab, India
| | | | - Md Habibur Rahman
- Department of Pharmacy, Jagannath University, Sadarghat, Dhaka-1100. Bangladesh
| | - Rokeya Akter
- Department of Pharmacy, Southeast University, Banani, Dhaka-1213. Bangladesh
| | - Md Tanvir Kabir
- Department of Pharmacy, Brac University, 66 Mohakhali, Dhaka 1212. Bangladesh
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4
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Ciolacu DE, Nicu R, Ciolacu F. Cellulose-Based Hydrogels as Sustained Drug-Delivery Systems. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5270. [PMID: 33233413 PMCID: PMC7700533 DOI: 10.3390/ma13225270] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/18/2020] [Accepted: 11/19/2020] [Indexed: 12/12/2022]
Abstract
Hydrogels, three-dimensional (3D) polymer networks, present unique properties, like biocompatibility, biodegradability, tunable mechanical properties, sensitivity to various stimuli, the capacity to encapsulate different therapeutic agents, and the ability of controlled release of the drugs. All these characteristics make hydrogels important candidates for diverse biomedical applications, one of them being drug delivery. The recent achievements of hydrogels as safe transport systems, with desired therapeutic effects and with minimum side effects, brought outstanding improvements in this area. Moreover, results from the utilization of hydrogels as target therapy strategies obtained in clinical trials are very encouraging for future applications. In this regard, the review summarizes the general concepts related to the types of hydrogel delivery systems, their properties, the main release mechanisms, and the administration pathways at different levels (oral, dermal, ocular, nasal, gastrointestinal tract, vaginal, and cancer therapy). After a general presentation, the review is focused on recent advances in the design, preparation and applications of innovative cellulose-based hydrogels in controlled drug delivery.
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Affiliation(s)
| | - Raluca Nicu
- “Petru Poni” Institute of Macromolecular Chemistry, 700487 Iasi, Romania;
| | - Florin Ciolacu
- Natural and Synthetic Polymers Department, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania
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5
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Hydrogels Obtained via γ-Irradiation Based on Poly(Acrylic Acid) and Its Copolymers with 2-Hydroxyethyl Methacrylate. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10144960] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Hydrogels containing both carboxyl and hydroxyl functional groups have been prepared by γ-irradiation of either aqueous solutions of acrylic acid (AA) and mixtures of AA and 2-hydroxyethyl methacrylate (HEMA) in different ratios, or aqueous solutions of poly(AA), PAA, and poly(AA-co-HEMA) obtained via solution polymerization. A higher absorbed dose is required in order to prepare hydrogels from monomer solutions, compared with those from polymer solutions. The range for the absorbed doses was chosen so that the probability of crosslinking reactions is higher than that of degradation ones. As the radiation energy deposited in a sample increases, the equilibrium swelling degree and the average molar mass between crosslinks diminishes. Chemical transformations induced by radiation were investigated by means of FTIR spectroscopy and thermal analysis of polymers before and after irradiation. For all these systems, the formation of a three-dimensional network enhances the glass transition temperature and thermal stability, but a further increase in the crosslinking degree may have the reverse effect on the glass transition temperature. Depending on the preparation protocol and/or hydrogel composition, superabsorbent materials that can bind different compounds throughout side functional groups may be obtained.
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6
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Jiang M, Hong Y, Gu Z, Cheng L, Li Z, Li C. Preparation of a starch-based carrier for oral delivery of Vitamin E to the small intestine. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.01.021] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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7
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On the use of ion-crosslinked nanocellulose hydrogels for wound healing solutions: Physicochemical properties and application-oriented biocompatibility studies. Carbohydr Polym 2017; 174:299-308. [DOI: 10.1016/j.carbpol.2017.06.073] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 06/19/2017] [Accepted: 06/19/2017] [Indexed: 11/21/2022]
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8
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Shirbin SJ, Karimi F, Chan NJA, Heath DE, Qiao GG. Macroporous Hydrogels Composed Entirely of Synthetic Polypeptides: Biocompatible and Enzyme Biodegradable 3D Cellular Scaffolds. Biomacromolecules 2016; 17:2981-91. [DOI: 10.1021/acs.biomac.6b00817] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Steven J. Shirbin
- Polymer Science Group, Department of Chemical
and Biomolecular Engineering, and §Department of Chemical
and Biomolecular Engineering, University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Fatemeh Karimi
- Polymer Science Group, Department of Chemical
and Biomolecular Engineering, and §Department of Chemical
and Biomolecular Engineering, University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Nicholas Jun-An Chan
- Polymer Science Group, Department of Chemical
and Biomolecular Engineering, and §Department of Chemical
and Biomolecular Engineering, University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Daniel E. Heath
- Polymer Science Group, Department of Chemical
and Biomolecular Engineering, and §Department of Chemical
and Biomolecular Engineering, University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Greg G. Qiao
- Polymer Science Group, Department of Chemical
and Biomolecular Engineering, and §Department of Chemical
and Biomolecular Engineering, University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
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9
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Ahrens CC, Welch ME, Griffith LG, Hammond PT. Uncharged Helical Modular Polypeptide Hydrogels for Cellular Scaffolds. Biomacromolecules 2015; 16:3774-83. [DOI: 10.1021/acs.biomac.5b01076] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Caroline C. Ahrens
- Department of Chemical Engineering, ‡Koch Institute for
Integrative
Cancer Research, §Department of Biological Engineering, and ∥Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts United States
| | - M. Elizabeth Welch
- Department of Chemical Engineering, ‡Koch Institute for
Integrative
Cancer Research, §Department of Biological Engineering, and ∥Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts United States
| | - Linda G. Griffith
- Department of Chemical Engineering, ‡Koch Institute for
Integrative
Cancer Research, §Department of Biological Engineering, and ∥Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts United States
| | - Paula T. Hammond
- Department of Chemical Engineering, ‡Koch Institute for
Integrative
Cancer Research, §Department of Biological Engineering, and ∥Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts United States
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10
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Biodegradable colloidal microgels with tunable thermosensitive volume phase transitions for controllable drug delivery. J Colloid Interface Sci 2015; 450:26-33. [DOI: 10.1016/j.jcis.2015.02.068] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 02/26/2015] [Accepted: 02/26/2015] [Indexed: 11/19/2022]
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11
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Hayashida O, Sato D. Degradation Properties and pH-responsive Guest-release of Cyclophanes Having Four Ester Side Chains with Terminal Choline Residues. CHEM LETT 2014. [DOI: 10.1246/cl.130964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Osamu Hayashida
- Department of Chemistry, Faculty of Science, Fukuoka University
| | - Daisuke Sato
- Department of Chemistry, Faculty of Science, Fukuoka University
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12
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Deng C, Wu J, Cheng R, Meng F, Klok HA, Zhong Z. Functional polypeptide and hybrid materials: Precision synthesis via α-amino acid N-carboxyanhydride polymerization and emerging biomedical applications. Prog Polym Sci 2014. [DOI: 10.1016/j.progpolymsci.2013.10.008] [Citation(s) in RCA: 274] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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13
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Li JJ, Luo ZH. Case Study to Bridge the Gap between Chemistry and Chemical Product Engineering: From Molecules to Products Based on Brush Copolymers Having Different Backbone Composition Profiles. Ind Eng Chem Res 2014. [DOI: 10.1021/ie403753x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Jin-Jin Li
- Department
of Chemical Engineering,
School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
- Department
of Chemical and
Biochemical Engineering, School of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Zheng-Hong Luo
- Department
of Chemical Engineering,
School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
- Department
of Chemical and
Biochemical Engineering, School of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
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14
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Vashist A, Vashist A, Gupta YK, Ahmad S. Recent advances in hydrogel based drug delivery systems for the human body. J Mater Chem B 2014; 2:147-166. [DOI: 10.1039/c3tb21016b] [Citation(s) in RCA: 320] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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Xiao C, Cheng Y, Zhang Y, Ding J, He C, Zhuang X, Chen X. Side chain impacts on pH- and thermo-responsiveness of tertiary amine functionalized polypeptides. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/pola.27048] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Yilong Cheng
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
| | - Yu Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Chaoliang He
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Xiuli Zhuang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
| | - Xuesi Chen
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; Changchun 130022 People's Republic of China
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16
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Synthesis, characterization, and acute oral toxicity evaluation of pH-sensitive hydrogel based on MPEG, poly(ε-caprolactone), and itaconic acid. BIOMED RESEARCH INTERNATIONAL 2013; 2013:239838. [PMID: 24364030 PMCID: PMC3864077 DOI: 10.1155/2013/239838] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Revised: 10/17/2013] [Accepted: 10/26/2013] [Indexed: 02/05/2023]
Abstract
A kind of chemically cross-linked pH-sensitive hydrogels based on methoxyl poly(ethylene glycol)-poly(caprolactone)-acryloyl chloride (MPEG-PCL-AC, PECA), poly(ethylene glycol) methyl ether methacrylate (MPEGMA, MEG), N,N-methylenebisacrylamide (BIS), and itaconic acid (IA) were prepared without using any organic solvent by heat-initiated free radical method. The obtained macromonomers and hydrogels were characterized by 1H NMR and FT-IR, respectively. Morphology study of hydrogels was also investigated in this paper, and it showed that the hydrogels had good pH-sensitivity. The acute toxicity test and histopathological study were conducted in BALB/c mice. The results indicated that the maximum tolerance dose of the hydrogel was higher than 10000 mg/kg body weight. No morality or signs of toxicity were observed during the whole 7-day observation period. Compared to the control groups, there were no important adverse effects in the variables of hematology routine test and serum chemistry analysis both in male or female treatment group. Histopathological study also did not show any significant lesions, including heart, liver, lung, spleen, kidney, stomach, intestine, and testis. All the results demonstrated that this hydrogel was nontoxic after gavage. Thus, the hydrogel might be the biocompatible potential candidate for oral drug delivery system.
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17
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Fernandes EM, Pires RA, Mano JF, Reis RL. Bionanocomposites from lignocellulosic resources: Properties, applications and future trends for their use in the biomedical field. Prog Polym Sci 2013. [DOI: 10.1016/j.progpolymsci.2013.05.013] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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18
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Zhang A, Zhang Z, Shi F, Xiao C, Ding J, Zhuang X, He C, Chen L, Chen X. Redox-sensitive shell-crosslinked polypeptide-block-polysaccharide micelles for efficient intracellular anticancer drug delivery. Macromol Biosci 2013; 13:1249-58. [PMID: 23840011 DOI: 10.1002/mabi.201300175] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Revised: 04/24/2013] [Indexed: 12/27/2022]
Abstract
Redox-responsive SCMs based on amphiphilic PBLG-b-dextran with good biocompatibility are synthesized and used for efficient intracellular drug delivery. The molecular structures and SCMs characteristics are characterized by (1) H NMR, FT-IR, TEM, and DLS. The hydrodynamic radius of SCMs increases gradually in PBS due to the cleavage of disulfide bond in micellar shell caused by the presence of GSH. The encapsulation efficiency and release kinetics of DOX are investigated. The fastest DOX release is observed under intracellular-mimicking reductive environments. An MTT assay demonstrates that DOX-loaded SCMs show higher cellular proliferation inhibition against GSH-OEt pretreated HeLa and HepG2 than that of the non-pretreated and BSO-pretreated ones.
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Affiliation(s)
- Aiping Zhang
- Department of Chemistry, Northeast Normal University, Changchun, 130024, China
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19
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Genipin-cross-linked poly(L-lysine)-based hydrogels: synthesis, characterization, and drug encapsulation. Colloids Surf B Biointerfaces 2013; 111:423-31. [PMID: 23872465 DOI: 10.1016/j.colsurfb.2013.06.028] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 06/11/2013] [Accepted: 06/12/2013] [Indexed: 01/22/2023]
Abstract
Genipin-cross-linked hydrogels composed of biodegradable and pH-sensitive cationic poly(L-lysine) (PLL), poly(L-lysine)-block-poly(L-alanine) (PLL-b-PLAla), and poly(L-lysine)-block-polyglycine (PLL-b-PGly) polypeptides were synthesized, characterized, and used as carriers for drug delivery. These polypeptide hydrogels can respond to pH-stimulus and their gelling and mechanical properties, degradation rate, and drug release behavior can be tuned by varying polypeptide composition and cross-linking degree. Comparing with natural polymers, the synthetic polypeptides with well-defined chain length and composition can warrant the preparation of the hydrogels with tunable properties to meet the criteria for specific biomedical applications. These hydrogels composed of natural building blocks exhibited good cell compatibility and enzyme degradability and can support cell attachment/proliferation. The evaluation of these hydrogels for in vitro drug release revealed that the controlled release profile was a biphasic pattern with a mild burst release and a moderate release rate thereafter, suggesting the drug molecules were encapsulated inside the gel matrix. With the versatility of polymer chemistry and conjugation of functional moieties, it is expected these hydrogels can be useful for biomedical applications such as polymer therapeutics and tissue engineering.
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20
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Fonseca AC, Ferreira P, Cordeiro RA, Mendonça PV, Góis JR, Gil MH, Coelho JFJ. Drug Delivery Systems for Predictive Medicine: Polymers as Tools for Advanced Applications. NEW STRATEGIES TO ADVANCE PRE/DIABETES CARE: INTEGRATIVE APPROACH BY PPPM 2013. [DOI: 10.1007/978-94-007-5971-8_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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21
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Wang W, Deng L, Liu S, Li X, Zhao X, Hu R, Zhang J, Han H, Dong A. Adjustable degradation and drug release of a thermosensitive hydrogel based on a pendant cyclic ether modified poly(ε-caprolactone) and poly(ethylene glycol)co-polymer. Acta Biomater 2012; 8:3963-73. [PMID: 22835677 DOI: 10.1016/j.actbio.2012.07.021] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2012] [Revised: 07/16/2012] [Accepted: 07/16/2012] [Indexed: 12/27/2022]
Abstract
The convenient and precise fabrication of drug-hydrogel formulations with satisfactory degradability and a well-controlled drug release profile are crucial factors for injectable hydrogel formulations in clinical applications. Here a new injectable thermosensitive hydrogel formed from poly(ε-caprolactone) (PCL)-poly(ethylene glycol)-poly(ε-caprolactone) amphiphilicco-polymers with 1,4,8-trioxa[4.6]spiro-9-undecanone (TOSUO) moieties incorporated in the poly(ε-caprolactone) (PCL)block (PECT) was constructed to provide a route to tailor the degradation and drug release behavior. The effect of hydrophilic cyclic ether moieties on the degradation of and drug release by PECT hydrogels were evaluated in vitro and in vivo. The results indicated that a freeze-dried powder of paclitaxel-loaded PECT nanoparticles rapidly dissolved in water at ambient temperature with slightly shaking and formed a stable injectable in situ drug-hydrogel formulation at body temperature, which is convenient for clinical operations because it avoids the need for pre-quenching or long-term incubation. The paclitaxel distribution was also more quantitative and homogeneous on entrapping paclitaxel in PECT nanoparticles. Further, the small number of pendant cyclic ether groups in PCL could decrease the cystallinity and hydrophobicity and, as a result, the in vitro and in vivo retention time of PECT hydrogels and the release of entrapped paclitaxel could be tuned from a few weeks to months by varying the amount of PTOSUO in the hydrophobic block. Significantly, paclitaxel-loaded PECT nanoparticles and free paclitaxel could be simultaneously released during the in vitro paclitaxel release from PECT hydrogels. A histopathological evaluation indicated that in vivo injected PECT hydrogels produced only a modest inflammatory response. Thus pendant cyclic ether modification of PCL could be an effective way to achieve the desired degradation and drug release profiles of amphiphilicco-polymer thermosensitive hydrogels and PECT hydrogels may be suitable for local drug delivery.
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Affiliation(s)
- Weiwei Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People's Republic of China
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22
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Wu Y, Ma Q, Song X, Zheng Y, Ren W, Zhang J, Ouyang L, Wu F, He G. Biocompatible poly(ethylene glycol)-poly(γ-cholesterol-L-glutamate) copolymers: Synthesis, characterization, andin vitrostudies. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26265] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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23
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Tao Y, Ai L, Bai H, Liu X. Synthesis of pH-responsive photocrosslinked hyaluronic acid-based hydrogels for drug delivery. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26159] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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24
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Ling J, Peng H, Shen Z. Deprotonation reaction of α-amino acid N-carboxyanhydride at 4-CH position by yttrium tris[bis(trimethylsilyl)amide]. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26156] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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25
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Peng H, Ling J, Zhu Y, You L, Shen Z. Polymerization of α-amino acid N
-carboxyanhydrides catalyzed by rare earth tris(borohydride) complexes: Mechanism and hydroxy-endcapped polypeptides. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26077] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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26
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He C, Zhuang X, Tang Z, Tian H, Chen X. Stimuli-sensitive synthetic polypeptide-based materials for drug and gene delivery. Adv Healthc Mater 2012. [PMID: 23184687 DOI: 10.1002/adhm.201100008] [Citation(s) in RCA: 262] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Stimuli-sensitive synthetic polypeptides are unique biodegradable and biocompatible synthetic polymers with structures mimicking natural proteins. These polymers exhibit reversible secondary conformation transitions and/or hydrophilic-hydrophobic transitions in response to changes in environmental conditions such as pH and temperature. The stimuli-triggered conformation and/or phase transitions lead to unique self-assembly behaviors, making these materials interesting for controlled drug and gene delivery applications. Therefore, stimuli-sensitive synthetic polypeptide-based materials have been extensively investigatid in recent years. Various polypeptide-based materials, including micelles, vesicles, nanogels, and hydrogels, have been developed and tested for drug- and gene-delivery applications. In addition, the presence of reactive side groups in some polypeptides facilitates the incorporation of various functional moieties to the polypeptides. This Review focuses on recent advances in stimuli-sensitive polypeptide-based materials that have been designed and evaluated for drug and gene delivery applications. In addition, recent developments in the preparation of stimuli-sensitive functionalized polypeptides are discussed.
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Affiliation(s)
- Chaoliang He
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
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Peng H, Ling J, Shen Z. Ring opening polymerization of α-amino acid N-carboxyanhydrides catalyzed by rare earth catalysts: Polymerization characteristics and mechanism. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/pola.25848] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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