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Park JK, Piao Z, Lee HJ, Jeong B. Poly(l-threonine- co-l-threonine Succinate) Thermogels for Sustained Release of Lixisenatide. Biomacromolecules 2024. [PMID: 38949062 DOI: 10.1021/acs.biomac.4c00376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Negatively charged poly(l-Thr-co-l-Thr succinate) (PTTs) was developed as a new thermogel. Aqueous PTT solutions underwent thermogelation over a concentration range of 6.0-8.3 wt %. Dynamic light scattering, FTIR, 1H NMR, and COSY spectra revealed the partial strengthening of the β-sheet conformation and the dehydration of PTTs during the transition. Extendin-4 was released from the PTTs thermogel with a large initial burst release, whereas positively charged lixisenatide significantly reduced its initial burst release to 25%, and up to 77% of the dose was released from the gel over 14 days. In vivo study revealed a high plasma concentration of lixisenatide over 5 days and hypoglycemic efficacy was observed for type II diabetic rats over 7-10 days. The biocompatible PTTs were degraded by subcutaneous enzymes. This study thus demonstrates an effective strategy for reducing the initial burst release of protein drugs from thermogels with the introduction of electrostatic interactions between the drug and the thermogel.
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Affiliation(s)
- Jin Kyung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Zhengyu Piao
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Hyun Jung Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
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2
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Abstract
Thermogelling behavior of aqueous polymer solutions comes from the delicate balance between hydrophilic and hydrophobic moieties of the polymer. Typically, poly(ethylene glycol) (PEG) has been used as a hydrophilic block in most thermogels reported to date. However, recent papers have suggested the potential immunogenicity of PEG-conjugated compounds. Here, we report that aqueous solutions of dl-polyalanine (DL-PA) with a specific molecular weight can exhibit thermogelling behavior. In particular, DL-PA with a molecular weight (Mn) of 6690 Da, DL-PA67, exhibited sol-to-gel transition at the physiologically important temperature range of 30-40 °C. 1H NMR and FTIR data indicated that the mechanism of thermogelation is related to dehydration and conformational changes of DL-PA67 from random coil to β-sheet structures. Subcutaneous injection of an aqueous DL-PA67 solution into rats confirmed the gel formation and its histocompatibility with mild tissue irritation.
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Affiliation(s)
- Hyun Jung Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
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3
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Shi J, Yu L, Ding J. PEG-based thermosensitive and biodegradable hydrogels. Acta Biomater 2021; 128:42-59. [PMID: 33857694 DOI: 10.1016/j.actbio.2021.04.009] [Citation(s) in RCA: 100] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/09/2021] [Accepted: 04/01/2021] [Indexed: 02/07/2023]
Abstract
Injectable thermosensitive hydrogels are free-flowing polymer solutions at low or room temperature, making them easy to encapsulate the therapeutic payload or cells via simply mixing. Upon injection into the body, in situ forming hydrogels triggered by body temperature can act as drug-releasing reservoirs or cell-growing scaffolds. Finally, the hydrogels are eliminated from the administration sites after they accomplish their missions as depots or scaffolds. This review outlines the recent progress of poly(ethylene glycol) (PEG)-based biodegradable thermosensitive hydrogels, especially those composed of PEG-polyester copolymers, PEG-polypeptide copolymers and poly(organophosphazene)s. The material design, performance regulation, thermogelation and degradation mechanisms, and corresponding applications in the biomedical field are summarized and discussed. A perspective on the future thermosensitive hydrogels is also highlighted. STATEMENT OF SIGNIFICANCE: Thermosensitive hydrogels undergoing reversible sol-to-gel phase transitions in response to temperature variations are a class of promising biomaterials that can serve as minimally invasive injectable systems for various biomedical applications. Hydrophilic PEG is a main component in the design and fabrication of thermoresponsive hydrogels due to its excellent biocompatibility. By incorporating hydrophobic segments, such as polyesters and polypeptides, into PEG-based systems, biodegradable and thermosensitive hydrogels with adjustable properties in vitro and in vivo have been developed and have recently become a research hotspot of biomaterials. The summary and discussion on molecular design, performance regulation, thermogelation and degradation mechanisms, and biomedical applications of PEG-based thermosensitive hydrogels may offer a demonstration of blueprint for designing new thermogelling systems and expanding their application scope.
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4
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Chu W, Nie M, Ke X, Luo J, Li J. Recent Advances in Injectable Dual Crosslinking Hydrogels for Biomedical Applications. Macromol Biosci 2021; 21:e2100109. [PMID: 33908175 DOI: 10.1002/mabi.202100109] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/05/2021] [Indexed: 02/05/2023]
Abstract
Injectable dual crosslinking hydrogels hold great promise to improve therapeutic efficacy in minimally invasive surgery. Compared with prefabricated hydrogels, injectable hydrogels can be implanted more accurately into deeply enclosed sites and repair irregularly shaped lesions, showing great applicable potential. Here, the current fabrication considerations of injectable dual crosslinking hydrogels are reviewed. Besides, the progress of the hydrogels used in corresponding applications and emerging challenges are discussed, with detailed emphasis in the fields of bone and cartilage regeneration, wound dressings, sensors and other less mentioned applications for their more hopeful employments in clinic. It is envisioned that the further development of the injectable dual crosslinking hydrogels will catalyze their innovation and transformation in the biomedical field.
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Affiliation(s)
- Wenlin Chu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Mingxi Nie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Xiang Ke
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,Med-X Center for Materials, Sichuan University, Chengdu, 610041, China
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5
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Santi S, Corridori I, Pugno NM, Motta A, Migliaresi C. Injectable Scaffold-Systems for the Regeneration of Spinal Cord: Advances of the Past Decade. ACS Biomater Sci Eng 2021; 7:983-999. [PMID: 33523634 DOI: 10.1021/acsbiomaterials.0c01779] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Nowadays, whenever is possible and as an alternative to open spine surgery, minimally invasive procedures are preferred to treat spinal cord injuries (SCI), with percutaneous injections or small incisions, that are faster, less traumatic, and require less recovery time. Injectable repair systems are based on materials that can be injected in the lesion site, can eventually be loaded with drugs or even cells, and act as scaffolds for the lesion repair. The review analyzes papers written from 2010 onward on injectable materials/systems used/proposed for the regenerative and combinatorial therapies of SCI and discusses the in vivo models that have been used to validate them.
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Affiliation(s)
- Sofia Santi
- BIOTech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Trento, Via delle Regole 101, 38123 Trento, Italy.,Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Ilaria Corridori
- Laboratory of Bio-inspired, Bionic, Nano, Meta Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 38123 Trento, Italy
| | - Nicola M Pugno
- Laboratory of Bio-inspired, Bionic, Nano, Meta Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 38123 Trento, Italy.,School of Engineering and Material Science, Queen Mary University of London, Mile End Road, E1 4NS London, United Kingdom
| | - Antonella Motta
- BIOTech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Trento, Via delle Regole 101, 38123 Trento, Italy.,Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Claudio Migliaresi
- BIOTech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Trento, Via delle Regole 101, 38123 Trento, Italy.,Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
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6
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Park MH, Park J, Lee HJ, Jeong B. Alpha-beta transition induced by C18-conjugation of polyalanine and its implication in aqueous solution behavior of poly(ethylene glycol)-polyalanine block copolymers. Biomater Res 2020; 24:23. [PMID: 33334374 PMCID: PMC7745361 DOI: 10.1186/s40824-020-00200-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 11/13/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The aqueous solution behavior of thermosensitive PEG-PA block copolymers as well as secondary structure of PA is expected to significantly change through modification of the hydrophobic PA by long chain alkyl (C18) groups with different configurations. METHOD Oleoyl and stearoyl (C18) groups were conjugated to poly(ethylene glycol)-poly(L-alanine) (PEG-PA; EG45A16) diblock copolymers to compare their conjugation effect on nano-assemblies and corresponding aqueous solution behavior of the polymers. RESULTS Due to the nature of a hydrophilic PEG block and a hydrophobic PA or C18-modified PA, PEG-PA, oleoyl group-conjugated PEG-PA (PEG-PAO), and stearoyl group-conjugated PEG-PA (PEG-PAS) block copolymers form micelles in water. Compared with PEG-PA, the micelle size of PEG-PAO and PEG-PAS increased. Circular dichroism and FTIR spectra of aqueous polymer solutions showed that β sheet content increased, whereas α helix content decreased by C18 modification of PEG-PA. PEG-PAS showed better performance in ice crystallization inhibition than PEG-PAO. The sol-to-gel transition temperatures of aqueous PEG-PAO solutions were 25-37 °C higher than those of aqueous PEG-PA solutions, whereas aqueous PEG-PAS solutions remained as gels in the temperature range of 0-80 °C. 1H-NMR spectra indicated that the oleoyl groups increased core mobility, whereas stearoyl groups decreased the core mobility of the micelles in water. The difference in micromobility between PAO and PAS interfered or promoted gelation of the aqueous polymer solutions, respectively. CONCLUSIONS This study suggests that a hydrophobic C18-modification of polypeptide induces α helix-to-β sheet transition of the polypeptide; however, aqueous solution behaviors including ice recrystallization inhibition and gelation are significantly affected by the nature of the hydrophobic molecule.
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Affiliation(s)
- Min Hee Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, South Korea
| | - Jinkyung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, South Korea
| | - Hyun Jung Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, South Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, South Korea.
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7
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Trudicova M, Smilek J, Kalina M, Smilkova M, Adamkova K, Hrubanova K, Krzyzanek V, Sedlacek P. Multiscale Experimental Evaluation of Agarose-Based Semi-Interpenetrating Polymer Network Hydrogels as Materials with Tunable Rheological and Transport Performance. Polymers (Basel) 2020; 12:E2561. [PMID: 33142862 PMCID: PMC7693122 DOI: 10.3390/polym12112561] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 01/29/2023] Open
Abstract
This study introduces an original concept in the development of hydrogel materials for controlled release of charged organic compounds based on semi-interpenetrating polymer networks composed by an inert gel-forming polymer component and interpenetrating linear polyelectrolyte with specific binding affinity towards the carried active compound. As it is experimentally illustrated on the prototype hydrogels prepared from agarose interpenetrated by poly(styrene sulfonate) (PSS) and alginate (ALG), respectively, the main benefit brought by this concept is represented by the ability to tune the mechanical and transport performance of the material independently via manipulating the relative content of the two structural components. A unique analytical methodology is proposed to provide complex insight into composition-structure-performance relationships in the hydrogel material combining methods of analysis on the macroscopic scale, but also in the specific microcosms of the gel network. Rheological analysis has confirmed that the complex modulus of the gels can be adjusted in a wide range by the gelling component (agarose) with negligible effect of the interpenetrating component (PSS or ALG). On the other hand, the content of PSS as low as 0.01 wt.% of the gel resulted in a more than 10-fold decrease of diffusivity of model-charged organic solute (Rhodamine 6G).
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Affiliation(s)
- Monika Trudicova
- Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic; (M.T.); (J.S.); (M.K.); (M.S.)
| | - Jiri Smilek
- Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic; (M.T.); (J.S.); (M.K.); (M.S.)
| | - Michal Kalina
- Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic; (M.T.); (J.S.); (M.K.); (M.S.)
| | - Marcela Smilkova
- Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic; (M.T.); (J.S.); (M.K.); (M.S.)
| | - Katerina Adamkova
- Institute of Scientific Instruments of the Czech Academy of Sciences, Kralovopolska 147, 61264 Brno, Czech Republic; (K.A.); (K.H.); (V.K.)
| | - Kamila Hrubanova
- Institute of Scientific Instruments of the Czech Academy of Sciences, Kralovopolska 147, 61264 Brno, Czech Republic; (K.A.); (K.H.); (V.K.)
| | - Vladislav Krzyzanek
- Institute of Scientific Instruments of the Czech Academy of Sciences, Kralovopolska 147, 61264 Brno, Czech Republic; (K.A.); (K.H.); (V.K.)
| | - Petr Sedlacek
- Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic; (M.T.); (J.S.); (M.K.); (M.S.)
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8
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Kasiński A, Zielińska-Pisklak M, Oledzka E, Sobczak M. Smart Hydrogels - Synthetic Stimuli-Responsive Antitumor Drug Release Systems. Int J Nanomedicine 2020; 15:4541-4572. [PMID: 32617004 PMCID: PMC7326401 DOI: 10.2147/ijn.s248987] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 03/28/2020] [Indexed: 12/19/2022] Open
Abstract
Among modern drug formulations, stimuli-responsive hydrogels also called "smart hydrogels" deserve a special attention. The basic feature of this system is the ability to change their mechanical properties, swelling ability, hydrophilicity, bioactive molecules permeability, etc., influenced by various stimuli, such as temperature, pH, electromagnetic radiation, magnetic field and biological factors. Therefore, stimuli-responsive matrices can be potentially used in tissue engineering, cell cultures and technology of innovative drug delivery systems (DDSs), releasing the active substances under the control of internal or external stimuli. Moreover, smart hydrogels can be used as injectable DDSs, due to gel-sol transition connected with in situ cross-linking process. Innovative smart hydrogel DDSs can be utilized as matrices for targeted therapy, which enhances the effectiveness of tumor chemotherapy and subsequently limits systemic toxicity. External stimulus sensitivity allows remote control over the drug release profile and gel formation. On the other hand, internal factors provide drg accumulation in tumor tissue and reduce the concentration of active drug form in healthy tissue. In this report, we summarise the basic knowledge and chemical strategies for the synthetic smart hydrogel DDSs applied in antitumor therapy.
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Affiliation(s)
- Adam Kasiński
- Department of Biomaterials Chemistry, Chair of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Warsaw02-097, Poland
| | - Monika Zielińska-Pisklak
- Department of Biomaterials Chemistry, Chair of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Warsaw02-097, Poland
| | - Ewa Oledzka
- Department of Biomaterials Chemistry, Chair of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Warsaw02-097, Poland
| | - Marcin Sobczak
- Department of Biomaterials Chemistry, Chair of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Warsaw02-097, Poland
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9
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Pertici V, Trimaille T, Gigmes D. Inputs of Macromolecular Engineering in the Design of Injectable Hydrogels Based on Synthetic Thermoresponsive Polymers. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b00705] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Vincent Pertici
- Aix-Marseille Univ, CNRS, Institut de Chimie Radicalaire, ICR UMR 7273, 13397 Marseille, France
| | - Thomas Trimaille
- Aix-Marseille Univ, CNRS, Institut de Chimie Radicalaire, ICR UMR 7273, 13397 Marseille, France
| | - Didier Gigmes
- Aix-Marseille Univ, CNRS, Institut de Chimie Radicalaire, ICR UMR 7273, 13397 Marseille, France
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10
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Khan I, Wang J, Zou H, Ye H, Zha D, Zhang Y, You L. Noncovalent and Dynamic Covalent Chemistry Strategies for Driving Thermoresponsive Phase Transition with Multistimuli and Controlled Encapsulation/Release. ACS APPLIED MATERIALS & INTERFACES 2020; 12:2962-2973. [PMID: 31867942 DOI: 10.1021/acsami.9b18588] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We report the development of multiresponsive thermally sensitive polymers through both supramolecular and reversible covalent strategies as well as their use in controlled encapsulation and release. Novel acylhydrazone-based dynamic covalent polymers displaying lower critical solution temperature (LCST) or upper critical solution temperature (UCST) were synthesized. A remarkable control over thermal phase transition can be tuned through multimodes, such as anions, cations, solvent, pH, and competing components. In particular, anion recognition allowed disassembly and thus led to a significant decrease of UCST in dimethyl sulfoxide, and the combination of anion and solvent effects offered additional handle for control. Moreover, the use of anions, cations, as well as pH change was employed for the modulation of LCST-type polymer in water. Furthermore, switching on/off thermoresponsiveness was readily achieved by dynamic covalent exchange. Mechanistic studies also shed light on stimuli-induced changes in aggregation behaviors. Finally, thermally controlled encapsulation and release of hydrophobic and hydrophilic dyes were realized with great repeatability and reversibility, respectively, showing potential in delivery and sensing. The results and strategies described should provide opportunities for many aspects, including dynamic assemblies, complex systems, and adaptive materials.
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Affiliation(s)
- Imran Khan
- State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou , Fujian 350002 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Junling Wang
- State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou , Fujian 350002 , China
| | - Hanxun Zou
- State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou , Fujian 350002 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou , Fujian 350002 , China
| | - Daijun Zha
- State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou , Fujian 350002 , China
| | - Yi Zhang
- School of Materials Science and Energy Engineering , Foshan University , Foshan , Guangdong 528000 , China
| | - Lei You
- State Key Laboratory of Structural Chemistry , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou , Fujian 350002 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
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11
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Grinberg VY, Burova TV, Grinberg NV, Papkov VS, Khokhlov AR. Binding Energetics of Charged Amphiphilic Ligands to Thermoresponsive Biodegradable Poly(methoxyethylaminophosphazene) Hydrogels. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:16915-16924. [PMID: 31763846 DOI: 10.1021/acs.langmuir.9b03204] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Changes in the affinity of the swollen and collapsed forms of a thermoresponsive polymer gel for targeted ligands can be directly estimated using a thermodynamic approach based on high-sensitivity differential scanning calorimetry (HS-DSC). For macromolecular ligands (proteins) bound to the gel, this method provides information on changes in their conformational stability, which is of crucial importance for the biological or pharmaceutical activity of the protein. We used HS-DSC for the study of interactions of two widely administrated drugs-gemfibrozil and ibuprofen-and two globular proteins-α-lactalbumin and BSA-with hydrogels of the cross-linked poly(methoxyethylaminophosphazene). The gel collapse resulted in a substantial increase in the gel affinity for the drugs. We obtained quantitative estimations of the affinity of the collapsed gels depending on the gel structure, pH, concentration of NaCl, and phosphate buffer (an inductor of the thermoresponsivity). The gels retained a high affinity for the drugs in the near-physiological conditions (ionic composition and pH). The binding curves of globular proteins to the gels in the swollen and collapsed states were obtained. The different proteins demonstrated the preferential binding to the swollen or collapsed state of the gels, presumably depending on the protein surface hydrophobicity. The proteins bound to the gel subchains retain their native tertiary structure and, therefore, maintain their functionality when immobilized in the polyphosphazene hydrogels.
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Affiliation(s)
- Valerij Y Grinberg
- N.M. Emanuel Institute of Biochemical Physics , Russian Academy of Sciences , Kosygin St. 4 , Moscow 119991 , Russian Federation
- A.N. Nesmeyanov Institute of Organoelement Compounds , Russian Academy of Sciences , Vavilov St. 28 , Moscow 119991 , Russian Federation
| | - Tatiana V Burova
- A.N. Nesmeyanov Institute of Organoelement Compounds , Russian Academy of Sciences , Vavilov St. 28 , Moscow 119991 , Russian Federation
| | - Natalia V Grinberg
- A.N. Nesmeyanov Institute of Organoelement Compounds , Russian Academy of Sciences , Vavilov St. 28 , Moscow 119991 , Russian Federation
| | - Vladimir S Papkov
- A.N. Nesmeyanov Institute of Organoelement Compounds , Russian Academy of Sciences , Vavilov St. 28 , Moscow 119991 , Russian Federation
| | - Alexei R Khokhlov
- Physics Department , M.V. Lomonosov Moscow State University , Vorobyevy Gory , Moscow 119334 , Russian Federation
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12
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Zhang Z, Wang S, Waterhouse GIN, Zhang Q, Li L. Poly(
N
‐isopropylacrylamide)/mesoporous silica thermosensitive composite hydrogels for drug loading and release. J Appl Polym Sci 2019. [DOI: 10.1002/app.48391] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Zhaofu Zhang
- College of Chemistry and Material ScienceShandong Agricultural University Tai'an 271018 China
| | - Shuo Wang
- College of Chemistry and Material ScienceShandong Agricultural University Tai'an 271018 China
| | | | - Qihai Zhang
- Taian City Central Hospital Tai'an 271000 China
| | - Lifang Li
- College of Chemistry and Material ScienceShandong Agricultural University Tai'an 271018 China
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13
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Hong KH, Song SC. 3D hydrogel stem cell niche controlled by host-guest interaction affects stem cell fate and survival rate. Biomaterials 2019; 218:119338. [PMID: 31310953 DOI: 10.1016/j.biomaterials.2019.119338] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/05/2019] [Accepted: 07/05/2019] [Indexed: 11/17/2022]
Abstract
Host-guest interaction using β-cyclodextrin (β-CD) and adamantane (Ad) allows facile modulation of guest molecule concentration in 3D hydrogels. Based on this phenomenon, we prepared a thermosensitive poly(organophosphazene) bearing β-CD hydrogel (β-CD PPZ, as host) and Ad-Arg-Gly-Asp (Ad-RGD, as guest). The structures of synthesized thermosensitive β-CD PPZ and Ad-RGD were confirmed by 1H NMR and FT-IR. The β-CD PPZ/Ad-RGD mixture was prepared by simple mixing and elicited thermosensitive properties with the formation of gelation in all Ad-RGDs mixing proportions at the body temperature. Strong and controlled host-guest interactions between β-CD PPZ and Ad-RGD were observed in 2D-NOESY, DLS, and TEM. Regulated MSC behaviors were elicited based on the use of controlled Ad-RGD amounts at the level of in vitro and in vivo. As the amount of Ad-RGD was increased in the β-CD PPZ hydrogel, MSC survival rate was enhanced and was prone to express osteogenic factors. While Ad-RGD is absent or low in hydrogel, relatively poor MSC survival rate and adipogenesis were exhibited. Altogether, we verified that survival rate and differentiation of MSCs could be controlled by host-guest interaction system with thermosensitive 3D hydrogel. This proposed 3D hydrogel controlling system with host-guest interaction is expected to be a platform technology as changing guest molecules.
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Affiliation(s)
- Ki Hyun Hong
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science & Technology, Seoul, 02792, Republic of Korea; Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul, 02792, Republic of Korea
| | - Soo-Chang Song
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science & Technology, Seoul, 02792, Republic of Korea; Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul, 02792, Republic of Korea.
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14
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Burova TV, Grinberg VY, Grinberg NV, Dubovik AS, Moskalets AP, Papkov VS, Khokhlov AR. Salt-Induced Thermoresponsivity of a Cationic Phosphazene Polymer in Aqueous Solutions. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01621] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tatiana V. Burova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, Moscow 119991, Russia
| | - Valerij Y. Grinberg
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, Moscow 119991, Russia
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Kosygin St. 4, Moscow 119991, Russia
| | - Natalia V. Grinberg
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, Moscow 119991, Russia
| | - Alexander S. Dubovik
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Kosygin St. 4, Moscow 119991, Russia
| | - Alexander P. Moskalets
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, Moscow 119991, Russia
| | - Vladimir S. Papkov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, Moscow 119991, Russia
| | - Alexei R. Khokhlov
- M.V. Lomonosov Moscow
State University, Leninskie Gory 1, Moscow 119991, Russia
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15
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Sivaraj M, Mukherjee A, Mariappan R, Mariadoss AV, Jeyaraj M. Polyorganophosphazene stabilized gold nanoparticles for intracellular drug delivery in breast carcinoma cells. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.06.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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16
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Hou S, Chen S, Dong Y, Gao S, Zhu B, Lu Q. Biodegradable Cyclomatrix Polyphosphazene Nanoparticles: A Novel pH-Responsive Drug Self-Framed Delivery System. ACS APPLIED MATERIALS & INTERFACES 2018; 10:25983-25993. [PMID: 30014692 DOI: 10.1021/acsami.8b06114] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Traditional drug delivery systems suffer from low drug-loading and relatively weak therapeutic efficacy, therefore, development of new drug delivery systems with high-efficiency has become more urgent. In this report, a novel-innovative drug delivery strategy, namely drug self-framed delivery system (DSFDS), is prepared via using anticancer drugs as polymer frame without using any carriers. The drug molecules (exemplified by doxorubicin) containing more than two nucleophilic functional groups (diols/diamines) directly reacted with hexachlorocyclotriphosphazene via mild precipitation polycondensation under ambient conditions, forming biocompatible drug self-framed delivery nanoparticles. Because of the covalent bonding of the drug molecules, DSFD nanoparticles (DSFDs) with super high drug-loading were stable in the circulation during delivery. However, sustained release of drug in the acidic environment within cells endowed DSFDs with long-term anticancer therapeutic efficacy. This strategy is applicable for diverse hydrophilic and hydrophobic drugs and may be a new platform for designing high drug-loading and release-controllable drug delivery systems.
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Affiliation(s)
- Shenglei Hou
- School of Chemical Science and Engineering, The State Key Laboratory of Metal Matrix Composites , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Shuangshuang Chen
- School of Chemical Science and Engineering , Tongji University , Shanghai 200092 , China
| | - Yuan Dong
- School of Chemical Science and Engineering, The State Key Laboratory of Metal Matrix Composites , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Su Gao
- School of Chemical Science and Engineering, The State Key Laboratory of Metal Matrix Composites , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Bangshang Zhu
- School of Chemical Science and Engineering, The State Key Laboratory of Metal Matrix Composites , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Qinghua Lu
- School of Chemical Science and Engineering, The State Key Laboratory of Metal Matrix Composites , Shanghai Jiao Tong University , Shanghai 200240 , China
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17
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18
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Vanparijs N, Nuhn L, De Geest BG. Transiently thermoresponsive polymers and their applications in biomedicine. Chem Soc Rev 2018; 46:1193-1239. [PMID: 28165097 DOI: 10.1039/c6cs00748a] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The focus of this review is on the class of transiently thermoresponsive polymers. These polymers are thermoresponsive, but gradually lose this property upon chemical transformation - often a hydrolysis reaction - in the polymer side chain or backbone. An overview of the different approaches used for the design of these polymers along with their physicochemical properties is given. Their amphiphilic properties and degradability into fully soluble compounds make this class of responsive polymers attractive for drug delivery and tissue engineering applications. Examples of these are also provided in this review.
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Affiliation(s)
- Nane Vanparijs
- Department of Pharmaceutics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium.
| | - Lutz Nuhn
- Department of Pharmaceutics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium.
| | - Bruno G De Geest
- Department of Pharmaceutics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium.
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19
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Khan RU, Wang L, Yu H, Zain-ul-Abdin, Akram M, Wu J, Haroon M, Ullah RS, Deng Z, Xia X. Recent progress in the synthesis of poly(organo)phosphazenes and their applications in tissue engineering and drug delivery. RUSSIAN CHEMICAL REVIEWS 2018. [DOI: 10.1070/rcr4757] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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20
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Grinberg VY, Burova TV, Grinberg NV, Papkov VS, Dubovik AS, Khokhlov AR. Salt-Induced Thermoresponsivity of Cross-Linked Polymethoxyethylaminophosphazene Hydrogels: Energetics of the Volume Phase Transition. J Phys Chem B 2018; 122:1981-1991. [DOI: 10.1021/acs.jpcb.7b11288] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Valerij Y. Grinberg
- N.M.
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Kosygin St. 4, 119334 Moscow, Russian Federation
| | - Tatiana V. Burova
- A.N.
Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, 119991 Moscow, Russian Federation
| | - Natalia V. Grinberg
- A.N.
Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, 119991 Moscow, Russian Federation
| | - Vladimir S. Papkov
- A.N.
Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov St. 28, 119991 Moscow, Russian Federation
| | - Alexander S. Dubovik
- N.M.
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Kosygin St. 4, 119334 Moscow, Russian Federation
| | - Alexei R. Khokhlov
- M.V. Lomonosov Moscow State University, Physics
Department, Vorobyevy
Gory, 119992 Moscow, Russian Federation
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21
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Ko DY, Patel M, Lee HJ, Jeong B. Coordinating Thermogel for Stem Cell Spheroids and Their Cyto-Effectiveness. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1706286. [DOI: 10.1002/adfm.201706286] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Affiliation(s)
- Du Young Ko
- Department of Chemistry and Nanoscience; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 03760 Korea
| | - Madhumita Patel
- Department of Chemistry and Nanoscience; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 03760 Korea
| | - Hyun Jung Lee
- Department of Chemistry and Nanoscience; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 03760 Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 03760 Korea
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22
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Mehnath S, Rajan M, Sathishkumar G, Amarnath Praphakar R, Jeyaraj M. Thermoresponsive and pH triggered drug release of cholate functionalized poly(organophosphazene) – polylactic acid co-polymeric nanostructure integrated with ICG. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.11.020] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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23
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Hong LTA, Kim YM, Park HH, Hwang DH, Cui Y, Lee EM, Yahn S, Lee JK, Song SC, Kim BG. An injectable hydrogel enhances tissue repair after spinal cord injury by promoting extracellular matrix remodeling. Nat Commun 2017; 8:533. [PMID: 28912446 PMCID: PMC5599609 DOI: 10.1038/s41467-017-00583-8] [Citation(s) in RCA: 151] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 07/10/2017] [Indexed: 11/22/2022] Open
Abstract
The cystic cavity that develops following injuries to brain or spinal cord is a major obstacle for tissue repair in central nervous system (CNS). Here we report that injection of imidazole-poly(organophosphazenes) (I-5), a hydrogel with thermosensitive sol–gel transition behavior, almost completely eliminates cystic cavities in a clinically relevant rat spinal cord injury model. Cystic cavities are bridged by fibronectin-rich extracellular matrix. The fibrotic extracellular matrix remodeling is mediated by matrix metalloproteinase-9 expressed in macrophages within the fibrotic extracellular matrix. A poly(organophosphazenes) hydrogel lacking the imidazole moiety, which physically interacts with macrophages via histamine receptors, exhibits substantially diminished bridging effects. I-5 injection improves coordinated locomotion, and this functional recovery is accompanied by preservation of myelinated white matter and motor neurons and an increase in axonal reinnervation of the lumbar motor neurons. Our study demonstrates that dynamic interactions between inflammatory cells and injectable biomaterials can induce beneficial extracellular matrix remodeling to stimulate tissue repair following CNS injuries. The cystic cavity that develops following injuries to brain or spinal cord is a major obstacle. Here the authors show an injection of imidazole poly(organophosphazenes), a hydrogel with thermosensitive sol–gel transition behavior, almost completely eliminates cystic cavities in a clinically relevant rat spinal cord injury model.
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Affiliation(s)
- Le Thi Anh Hong
- Department of Brain Science, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.,Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University Graduate School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Young-Min Kim
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Hee Hwan Park
- Department of Brain Science, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.,Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University Graduate School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Dong Hoon Hwang
- Department of Brain Science, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Yuexian Cui
- Department of Brain Science, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.,Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University Graduate School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Eun Mi Lee
- Department of Brain Science, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea
| | - Stephanie Yahn
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami School of Medicine, 1095 NW 14th Terrace (R-48), Miami, FL, 33136, USA
| | - Jae K Lee
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami School of Medicine, 1095 NW 14th Terrace (R-48), Miami, FL, 33136, USA
| | - Soo-Chang Song
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea. .,Department of Biomolecular Science, University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea.
| | - Byung Gon Kim
- Department of Brain Science, Ajou University School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea. .,Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University Graduate School of Medicine, 164 Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea. .,Department of Neurology, Ajou University School of Medicine, 164, Worldcup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.
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24
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Kim HA, Lee HJ, Hong JH, Moon HJ, Ko DY, Jeong B. α,ω-Diphenylalanine-End-Capping of PEG-PPG-PEG Polymers Changes the Micelle Morphology and Enhances Stability of the Thermogel. Biomacromolecules 2017; 18:2214-2219. [PMID: 28605182 DOI: 10.1021/acs.biomac.7b00626] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Pluronics F127 (P, PEG-PPG-PEG triblock copolymer) was coupled with diphenylalanine (FF) to prepare FF-end-capped Pluronics (FFPFF). With increasing temperature from 10 to 60 °C, the FFPFF self-assembled to vesicles in water. The unimer-to-vesicle transition accompanies endothermic enthalpy of 53.9 kcal/mol. Aqueous P and FFPFF solutions exhibited thermogelation in 15.0-24.0 wt %. The gel phase of FFPFF was stable up to 90 °C, whereas that of P turned into a sol again at 55-86 °C, indicating that end-capping with FF improved the gel stability against heat. In addition, the carboxylic acids of the FF end-groups can form coordination bonds with metal ions, and the gel modulus at 37 °C increased from 15-21 KPa (P) to 20-25 KPa (FFPFF) to 24-28 KPa (FFPFF-Zn), and the duration of gel against water-erosion increased from 24 h (P) to 60 h (FFPFF-Zn), leading to a useful biomaterial for sustained drug delivery. The FFPFF-Zn gels implanted in the rats' subcutaneous layer induced a mild inflammatory responses. Contrary to the previous end-capping of Pluronics by poly(lactic acid), polycarprolactone, carboxylic acid, and so on that weakened the gel stability, the diphenylalanine end-capping strengthened the stability of Pluronics gel against heat and water-erosion. This paper suggests that the control of polymer nanoassemblies directed by FF end-groups improves the mechanical properties and stability of the resulting thermogel and, thus, provides a useful drug delivery carrier with prolonged durability.
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Affiliation(s)
- Hae An Kim
- Department of Chemistry and Nanoscience, Ewha Womans University , 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Hyun Jung Lee
- Department of Chemistry and Nanoscience, Ewha Womans University , 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Ja Hye Hong
- Department of Chemistry and Nanoscience, Ewha Womans University , 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Hyo Jung Moon
- Department of Chemistry and Nanoscience, Ewha Womans University , 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Du Young Ko
- Department of Chemistry and Nanoscience, Ewha Womans University , 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University , 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
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25
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Zhou D, Pierucci L, Gao Y, O'Keeffe Ahern J, Huang X, Sigen A, Wang W. Thermo- and pH-Responsive, Coacervate-Forming Hyperbranched Poly(β-amino ester)s for Selective Cell Binding. ACS APPLIED MATERIALS & INTERFACES 2017; 9:5793-5802. [PMID: 28170215 DOI: 10.1021/acsami.6b15005] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report a new type of thermo- and pH-responsive, coacervate-forming highly degradable polymer-hyperbranched poly(β-amino esters) (HPAEs) and its selective cell binding behaviors. The HPAEs were synthesized from 5-amino-1-pentanol (S5) and trimethylolpropane ethoxylate triacrylate (TMPETA) via an A2+B3 type Michael addition. The existence of multiple hydrogen bond pairs as well as tertiary amines makes the S5-TMPETA polymers manifest temperature- and pH-dependent phase transition. By varying the length of the ethylene glycol (EG) spacers in the TMPETA, polymer molecular weight, concentration, and pH value, the phase transition of the S5-TMPETA can be easily tuned in aqueous and buffer solutions, as evidenced by UV-vis spectroscopy and DLS measurements. Especially, the S5-TMPETA prepared from S5 and trimethylolpropane ethoxylate triacrylate 692 (S5-TMPETA692) shows a lower critical solution temperature (LCST) around 33 °C, above which the S5-TMPTEA can form coacervate particles able to encapsulate functional molecules effectively. Importantly, when incubation with HeLa cells, the S5-TMPTETA692 exhibits a temperature- and pH-responsive selective cell binding behaviors. In addition, the S5-TMPETA are highly hydrolyzable and elicit negligible cytotoxicity. This new type of "smart" polymer should find use in a variety of biomedical applications.
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Affiliation(s)
- Dezhong Zhou
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
| | - Luca Pierucci
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
| | - Yongsheng Gao
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
| | - Jonathan O'Keeffe Ahern
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
| | - Xiaobei Huang
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
- School of Materials Science and Engineering, Sichuan University , Chengdu 610064, China
| | - A Sigen
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
| | - Wenxin Wang
- School of Materials Science and Engineering, Tianjin University , Tianjin 300072, China
- Charles Institute of Dermatology, School of Medicine, University College Dublin , Dublin 4, Ireland
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26
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Ullah RS, Wang L, Yu H, Abbasi NM, Akram M, -ul-Abdin Z, Saleem M, Haroon M, Khan RU. Synthesis of polyphosphazenes with different side groups and various tactics for drug delivery. RSC Adv 2017. [DOI: 10.1039/c6ra27103k] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Polyphosphazenes (PPZs) are hybrid polymers comprising a main chain containing nitrogen and phosphorous linked through interchanging single and double bonds, and side chains.
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Affiliation(s)
- Raja Summe Ullah
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Li Wang
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Haojie Yu
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Nasir M. Abbasi
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Muhammad Akram
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Zain -ul-Abdin
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Muhammad Saleem
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Muhammad Haroon
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Rizwan Ullah Khan
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
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27
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28
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Kim YM, Kim CH, Park MR, Song SC. Development of an Injectable Dopamine-conjugated Poly(organophophazene) Hydrogel for Hemostasis. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10686] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Young-Min Kim
- Center for Biomaterials; Korea Institute of Science & Technology; Seoul 130-650 Republic of Korea
| | - Chang-Ho Kim
- Center for Biomaterials; Korea Institute of Science & Technology; Seoul 130-650 Republic of Korea
- Department of Medical Engineering; Korea University of Science and Technology (UST); Daejeon 305-350 Republic of Korea
| | - Mi-Ran Park
- Product Development Center; CJ Healthcare; Icheon 467-812 Republic of Korea
| | - Soo-Chang Song
- Center for Biomaterials; Korea Institute of Science & Technology; Seoul 130-650 Republic of Korea
- Department of Medical Engineering; Korea University of Science and Technology (UST); Daejeon 305-350 Republic of Korea
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29
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McKenzie M, Betts D, Suh A, Bui K, Kim LD, Cho H. Hydrogel-Based Drug Delivery Systems for Poorly Water-Soluble Drugs. Molecules 2015; 20:20397-408. [PMID: 26580588 PMCID: PMC6332288 DOI: 10.3390/molecules201119705] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 11/02/2015] [Accepted: 11/06/2015] [Indexed: 11/20/2022] Open
Abstract
Hydrogels are three-dimensional materials that can withstand a great amount of water incorporation while maintaining integrity. This allows hydrogels to be very unique biomedical materials, especially for drug delivery. Much effort has been made to incorporate hydrophilic molecules in hydrogels in the field of drug delivery, while loading of hydrophobic drugs has not been vastly studied. However, in recent years, research has also been conducted on incorporating hydrophobic molecules within hydrogel matrices for achieving a steady release of drugs to treat various ailments. Here, we summarize the types of hydrogels used as drug delivery vehicles, various methods to incorporate hydrophobic molecules in hydrogel matrices, and the potential therapeutic applications of hydrogels in cancer.
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Affiliation(s)
- Matthew McKenzie
- Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, 4588 Parkview Place, St. Louis, MO 63110, USA.
| | - David Betts
- Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, 4588 Parkview Place, St. Louis, MO 63110, USA.
| | - Amy Suh
- Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, 4588 Parkview Place, St. Louis, MO 63110, USA.
| | - Kathryn Bui
- Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, 4588 Parkview Place, St. Louis, MO 63110, USA.
| | - London Doyoung Kim
- Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, 4588 Parkview Place, St. Louis, MO 63110, USA.
| | - Hyunah Cho
- Pharmaceutical and Administrative Sciences, St. Louis College of Pharmacy, 4588 Parkview Place, St. Louis, MO 63110, USA.
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30
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Micic M, Rogic Miladinovic Z, Suljovrujic E. Tuning the thermoresponsive properties of poly(oligo(propylene glycol) methacrylate) hydrogels via gradient copolymerization with 2-hydroxyethyl methacrylate. INT J POLYM MATER PO 2015. [DOI: 10.1080/00914037.2015.1055627] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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31
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Patel M, Moon HJ, Jung BK, Jeong B. Microsphere-Incorporated Hybrid Thermogel for Neuronal Differentiation of Tonsil Derived Mesenchymal Stem Cells. Adv Healthc Mater 2015; 4:1565-74. [PMID: 26033880 DOI: 10.1002/adhm.201500224] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 04/30/2015] [Indexed: 12/20/2022]
Abstract
Neuronal differentiation of tonsil-derived mesenchymal stem cells (TMSCs) is investigated in a 3D hybrid system. The hybrid system is prepared by increasing the temperature of poly(ethylene glycol)-poly(l-alanine) aqueous solution to 37 °C through the heat-induced sol-to-gel transition, in which TMSCs and growth factor releasing microspheres are suspended. The in situ formed gel exhibits a modulus of 800 Pa at 37 °C, similar to that of brain tissue, and it is robust enough to hold the microspheres and cells during the 3D culture of TMSCs. The neuronal growth factors are released over 12-18 d, and the TMSCs in a spherical shape initially undergo multipolar elongation during the 3D culture. Significantly higher expressions of the neuronal biomarkers such as nuclear receptor related protein (Nurr-1), neuron specific enolase, microtubule associated protein-2, neurofilament-M, and glial fibrillary acidic protein are observed in both mRNA level and protein level in the hybrid systems than in the control experiments. This study proves the significance of a controlled drug delivery concept in tissue engineering or regenerative medicine, and a 3D hybrid system with controlled release of growth factors from microspheres in a thermogel can be a very promising tool.
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Affiliation(s)
- Madhumita Patel
- Department of Chemistry and Nano Science; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 120-750 South Korea
| | - Hyo Jung Moon
- Department of Chemistry and Nano Science; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 120-750 South Korea
| | - Bo Kyung Jung
- Department of Chemistry and Nano Science; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 120-750 South Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nano Science; Ewha Womans University; 52 Ewhayeodae-gil Seodaemun-gu Seoul 120-750 South Korea
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32
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Seo BB, Choi H, Koh JT, Song SC. Sustained BMP-2 delivery and injectable bone regeneration using thermosensitive polymeric nanoparticle hydrogel bearing dual interactions with BMP-2. J Control Release 2015; 209:67-76. [PMID: 25910579 DOI: 10.1016/j.jconrel.2015.04.023] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 04/15/2015] [Accepted: 04/20/2015] [Indexed: 11/17/2022]
Abstract
Localized and continuous osteogenic stimulation to defected sites is required for effective bone regeneration. Here, we suggest an injectable and sustained bone morphogenetic protein-2 (BMP-2) release system using thermosensitive polymeric nanoparticles bearing dual interacting forces with BMP-2. For sustained BMP-2 release, hydrophobic and ionic interactions were introduced to thermosensitive poly(phosphazene). Hydrophobic isoleucine ethyl ester and hydrophilic poly-ethylene glycol were mainly substituted to the poly(phosphazene) back bone for amphiphilicity and hydrophobic interaction with BMP-2. Carboxylic acid moiety was additionally substituted to the back bone for ionic interaction with BMP-2. These dual interacting polymeric nanoparticles (D-NPs) formed compact nanocomplexes with BMP-2. The aqueous solution of BMP-2/D-NP nanocomplexes was transformed to hydrogel when the temperature of the solution increased. Loaded BMP-2 was sustain-released for three weeks from the BMP-2/D-NP nanocomplex hydrogel. The extended BMP-2 exposure caused higher osteocalcin secretion in C2C12 cells. Significant bone generations were observed at the target site by single injection of BMP-2/D-NP nanocomplexes in vivo.
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Affiliation(s)
- Bo-Bae Seo
- Center for Biomaterials, Korea Institute of Science & Technology, Seoul 130-650, Republic of Korea; Department of Biomolecular Science, University of Science and Technology (UST), Seoul 136-791, Republic of Korea
| | - Hyuck Choi
- Department of Pharmacology and Dental Therapeutics, and Research Center for Biomineralization Disorders, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Jeong-Tae Koh
- Department of Pharmacology and Dental Therapeutics, and Research Center for Biomineralization Disorders, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Soo-Chang Song
- Center for Biomaterials, Korea Institute of Science & Technology, Seoul 130-650, Republic of Korea; Department of Biomolecular Science, University of Science and Technology (UST), Seoul 136-791, Republic of Korea.
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33
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Shinde UP, Moon HJ, Ko DY, Jung BK, Jeong B. Control of rhGH Release Profile from PEG–PAF Thermogel. Biomacromolecules 2015; 16:1461-9. [DOI: 10.1021/acs.biomac.5b00325] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Usha Pramod Shinde
- Department of Chemistry and
Nano Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Hyo Jung Moon
- Department of Chemistry and
Nano Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Du Young Ko
- Department of Chemistry and
Nano Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Bo Kyong Jung
- Department of Chemistry and
Nano Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and
Nano Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
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34
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Introduction to In Situ Forming Hydrogels for Biomedical Applications. IN-SITU GELLING POLYMERS 2015. [DOI: 10.1007/978-981-287-152-7_2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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35
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Huang Z, Liu X, Chen S, Lu Q, Sun G. Injectable and cross-linkable polyphosphazene hydrogels for space-filling scaffolds. Polym Chem 2015. [DOI: 10.1039/c4py00967c] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Injectable and cross-linkable polyphosphazene hydrogel for space-filling scaffolds.
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Affiliation(s)
- Zhangjun Huang
- School of Chemistry and Chemical Engineering
- the State Key Laboratory of Metal Matrix Composites
- Shanghai Jiaotong University
- Shanghai 200240
- P. R. China
| | - Xunwei Liu
- Department of Medical Imaging
- Jinan Military General Hospital
- Jinan
- P. R. China
| | - Shuangshuang Chen
- School of Chemistry and Chemical Engineering
- the State Key Laboratory of Metal Matrix Composites
- Shanghai Jiaotong University
- Shanghai 200240
- P. R. China
| | - Qinghua Lu
- School of Chemistry and Chemical Engineering
- the State Key Laboratory of Metal Matrix Composites
- Shanghai Jiaotong University
- Shanghai 200240
- P. R. China
| | - Gang Sun
- Department of Medical Imaging
- Jinan Military General Hospital
- Jinan
- P. R. China
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36
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Zheng JY, Tan MJ, Thoniyot P, Loh XJ. Unusual thermogelling behaviour of poly[2-(dimethylamino)ethyl methacrylate] (PDMAEMA)-based polymers polymerized in bulk. RSC Adv 2015. [DOI: 10.1039/c5ra12816a] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The bulk synthesis of (PDMAEMA)-based polymers and their unusual thermoreversible gelation in aqueous solutions are described.
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Affiliation(s)
- Jason Yujie Zheng
- Department of Materials Science and Engineering
- National University of Singapore
- Singapore 117576
- Singapore
| | - Mein Jin Tan
- Institute of Materials Research and Engineering (IMRE)
- Singapore 117602
- Singapore
| | - Praveen Thoniyot
- Institute of Materials Research and Engineering (IMRE)
- Singapore 117602
- Singapore
| | - Xian Jun Loh
- Department of Materials Science and Engineering
- National University of Singapore
- Singapore 117576
- Singapore
- Institute of Materials Research and Engineering (IMRE)
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37
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Singh NK, Lee DS. In situ gelling pH- and temperature-sensitive biodegradable block copolymer hydrogels for drug delivery. J Control Release 2014; 193:214-27. [DOI: 10.1016/j.jconrel.2014.04.056] [Citation(s) in RCA: 200] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 04/28/2014] [Accepted: 04/29/2014] [Indexed: 12/22/2022]
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38
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Wang Y, Shim MS, Levinson NS, Sung HW, Xia Y. Stimuli-Responsive Materials for Controlled Release of Theranostic Agents. ADVANCED FUNCTIONAL MATERIALS 2014; 24:4206-4220. [PMID: 25477774 PMCID: PMC4249693 DOI: 10.1002/adfm.201400279] [Citation(s) in RCA: 237] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Stimuli-responsive materials are so named because they can alter their physicochemical properties and/or structural conformations in response to specific stimuli. The stimuli can be internal, such as physiological or pathological variations in the target cells/tissues, or external, such as optical and ultrasound radiations. In recent years, these materials have gained increasing interest in biomedical applications due to their potential for spatially and temporally controlled release of theranostic agents in response to the specific stimuli. This article highlights several recent advances in the development of such materials, with a focus on their molecular designs and formulations. The future of stimuli-responsive materials will also be explored, including combination with molecular imaging probes and targeting moieties, which could enable simultaneous diagnosis and treatment of a specific disease, as well as multi-functionality and responsiveness to multiple stimuli, all important in overcoming intrinsic biological barriers and increasing clinical viability.
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Affiliation(s)
| | | | - Nathanael S. Levinson
- The Wallace H. Coulter Department of Biomedical Engineering, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Hsing-Wen Sung
- Department of Chemical Engineering and Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan, Republic of China
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39
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Tong R, Tang L, Ma L, Tu C, Baumgartner R, Cheng J. Smart chemistry in polymeric nanomedicine. Chem Soc Rev 2014; 43:6982-7012. [DOI: 10.1039/c4cs00133h] [Citation(s) in RCA: 155] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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40
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Jung SJ, Park MH, Moon HJ, Ko DY, Jeong B. Thermal gelation or gel melting: (ethylene glycol)113
-(l
-alanine)12
and (ethylene glycol)113
-(l
-lactic acid)12. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/pola.27254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Seon Jung Jung
- Department of Chemistry and Nano Science; Ewha Global Top 5 Research Program, Ewha Womans University; Seodaemun-gu Seoul 120-750 Korea
| | - Min Hee Park
- Department of Chemistry and Nano Science; Ewha Global Top 5 Research Program, Ewha Womans University; Seodaemun-gu Seoul 120-750 Korea
| | - Hyo Jung Moon
- Department of Chemistry and Nano Science; Ewha Global Top 5 Research Program, Ewha Womans University; Seodaemun-gu Seoul 120-750 Korea
| | - Du Young Ko
- Department of Chemistry and Nano Science; Ewha Global Top 5 Research Program, Ewha Womans University; Seodaemun-gu Seoul 120-750 Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nano Science; Ewha Global Top 5 Research Program, Ewha Womans University; Seodaemun-gu Seoul 120-750 Korea
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41
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Kye EJ, Kim SJ, Park MH, Moon HJ, Ryu KH, Jeong B. Differentiation of Tonsil-Tissue-Derived Mesenchymal Stem Cells Controlled by Surface-Functionalized Microspheres in PEG-Polypeptide Thermogels. Biomacromolecules 2014; 15:2180-7. [DOI: 10.1021/bm500342r] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Eun Jeong Kye
- Department
of Chemistry and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 120-750, Korea
| | - Seung-Jin Kim
- Department
of Chemistry and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 120-750, Korea
| | - Min Hee Park
- Department
of Chemistry and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 120-750, Korea
| | - Hyo Jung Moon
- Department
of Chemistry and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 120-750, Korea
| | - Kyung Ha Ryu
- Departments
of Molecular Medicine, Otorhinolaryngology—Head and Neck Surgery
and Pediatrics, School of Medicine Ewha Womans University, Ewha Global Top 5
Research Program, Seoul, Korea
| | - Byeongmoon Jeong
- Department
of Chemistry and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 120-750, Korea
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42
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Yeon B, Park MH, Moon HJ, Kim SJ, Cheon YW, Jeong B. 3D Culture of Adipose-Tissue-Derived Stem Cells Mainly Leads to Chondrogenesis in Poly(ethylene glycol)-Poly(l-alanine) Diblock Copolymer Thermogel. Biomacromolecules 2013; 14:3256-66. [DOI: 10.1021/bm400868j] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Bora Yeon
- Department of Chemistry
and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu,
Seoul, 120-750, Korea
| | - Min Hee Park
- Department of Chemistry
and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu,
Seoul, 120-750, Korea
| | - Hyo Jung Moon
- Department of Chemistry
and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu,
Seoul, 120-750, Korea
| | - Seung-Jin Kim
- Department of Chemistry
and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu,
Seoul, 120-750, Korea
| | - Young Woo Cheon
- Department of Plastic
and Reconstructive Surgery, Gachon University Gil Medical Center, Incheon, Korea
| | - Byeongmoon Jeong
- Department of Chemistry
and Nano Science, Ewha Global Top 5 Research Program, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu,
Seoul, 120-750, Korea
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43
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Abstract
The delivery of living cells into a host body has emerged as a promising approach to treating a variety of different diseases and for tissue repair. However, one of the major obstacles for clinical success is to deliver the cells to the target tissue without losing control of cell fate and function after transplantation. Temperature-responsive biomaterials represent a promising vehicle to deliver cells noninvasively by injection of a liquid precursor, which undergoes a reversible phase transition at body temperature, thus, forming temperature-induced hydrogels in situ. The final material provides transplanted cells with a synthetic extracellular matrix, which retains the cells at the injection site, supports cell growth and mitigates migration. This mini review is intended to cover the fundamental physicochemical characteristics of these thermoresponsive biomaterials, and to examine the applications, with a focus on the recently developed cell-delivery systems for tissue engineering and cell therapy, including advantages, limitations and future challenges.
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44
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Tian Z, Chen C, Allcock HR. Injectable and Biodegradable Supramolecular Hydrogels by Inclusion Complexation between Poly(organophosphazenes) and α-Cyclodextrin. Macromolecules 2013. [DOI: 10.1021/ma4004314] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zhicheng Tian
- Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802,
United States
| | - Chen Chen
- Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802,
United States
| | - Harry R. Allcock
- Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802,
United States
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45
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Abstract
Interest in thermoresponsive polymers has steadily grown over many decades, and a great deal of work has been dedicated to developing temperature sensitive macromolecules that can be crafted into new smart materials. However, the overwhelming majority of previously reported temperature-responsive polymers are based on poly(N-isopropylacrylamide) (PNIPAM), despite the fact that a wide range of other thermoresponsive polymers have demonstrated similar promise for the preparation of adaptive materials. Herein, we aim to highlight recent results that involve thermoresponsive systems that have not yet been as fully considered. Many of these (co)polymers represent clear opportunities for advancements in emerging biomedical and materials fields due to their increased biocompatibility and tuneable response. By highlighting recent examples of newly developed thermoresponsive polymer systems, we hope to promote the development of new generations of smart materials.
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Affiliation(s)
- Debashish Roy
- Department of Chemistry, Southern Methodist University, 3215 Daniel Avenue, Dallas, TX 75275-0314, USA
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46
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Preparation of injectable and thermoresponsive hydrogel based on penta-block copolymer with improved sol stability and mechanical properties. POLYMER 2013. [DOI: 10.1016/j.polymer.2013.01.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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47
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Li Z, Cho S, Kwon IC, Janát-Amsbury MM, Huh KM. Preparation and characterization of glycol chitin as a new thermogelling polymer for biomedical applications. Carbohydr Polym 2013; 92:2267-75. [DOI: 10.1016/j.carbpol.2012.11.068] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Revised: 11/19/2012] [Accepted: 11/23/2012] [Indexed: 11/27/2022]
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48
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Abstract
Starburst triblock copolymers consisting of 8-arm poly(ethylene glycol) (8-arm PEG), poly(L-lactide) (PLLA) or its enantiomer poly(D-lactide) (PDLA) and terminal PEG, 8-arm PEG-b-PLLA-b-PEG (Stri-L) and 8-arm PEG-b- PDLA-b-PEG (Stri-D), were synthesized. An aqueous solution of a 1:1 mixture (Stri-Mix) of Stri-L and Stri-D assumed a sol state at room temperature, but instantaneously formed a physically cross-linked hydrogel in response to increasing temperature. The resulting hydrogel exhibited a high storage modulus at 37 °C. The rapid temperature-triggered hydrogel formation, high mechanical strength, and degradation behavior render this polymer system suitable for use in injectable drug delivery system or a biodegradable scaffold for tissue engineering.
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49
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Kim YM, Park MR, Song SC. Injectable polyplex hydrogel for localized and long-term delivery of siRNA. ACS NANO 2012; 6:5757-5766. [PMID: 22663194 DOI: 10.1021/nn300842a] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Here, we describe a concept for localized and long-term delivery of short interfering RNA (siRNA) using an injectable polyplex hydrogel possessing thermosensitivity and biodegradability properties. We prepared a low molecular weight polyethyleneimine-poly(organophosphazene) conjugate as a thermosensitive and cationic polymer that has a cleavable ester linkage. The conjugates formed about 100 nm sized polyplexes with siRNAs, and the polyplex solution turned into a polyplex hydrogel at body temperature via a hydrophobic interaction. We injected the polyplex hydrogel with siRNA of cyclin B1, an essential protein for controlling the cell cycle, into the tumor xenograft model. Polyplexes were slowly released from the polyplex hydrogel by dissolution and degradation, allowing an in vivo antitumor effect via cyclin B1 gene silencing for 4 weeks with only a single injection.
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Affiliation(s)
- Young-Min Kim
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul 136-791, Korea
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50
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Yoon JY, Park KH, Song SC. A thermosensitive poly(organophosphazene) hydrogel for injectable tissue-engineering applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2012; 18:1181-93. [DOI: 10.1163/156856207781554037] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Ji-Yeon Yoon
- a Division of Life Science, Korea Institute of Science & Technology, Seoul 130-650, South Korea
| | - Keun-Hong Park
- b CHA Stem Cell Institute, Pochon CHA University, Yeoksam 1-dong, Kangnam-gu, Seoul 135-907, South Korea
| | - Soo-Chang Song
- c Division of Life Science, Korea Institute of Science & Technology, Seoul 130-650, South Korea
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