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Feliciano AJ, Alaoui Selsouli Y, Habibovic P, Birgani ZNT, Moroni L, Baker MB. Granular polyrotaxane microgels as injectable hydrogels for corneal tissue regeneration. Biomater Sci 2024; 12:4993-5009. [PMID: 39169887 DOI: 10.1039/d4bm00409d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Corneal diseases, a leading cause of global vision impairment, present challenges in treatment due to corneal tissue donor scarcity and transplant rejection. Hydrogel biomaterials in the form of corneal implants for tissue regeneration, while promising, have faced obstacles related to cellular and tissue integration. This study develops and investigates the potential of granular polyrotaxane (GPR) hydrogels as a scaffold for corneal keratocyte growth and transparent tissue generation. Employing host-guest driven supramolecular interactions, we developed injectable, cytocompatible hydrogels. By optimizing cyclodextrin (CD) concentrations in thiol-ene crosslinked PEG microgels, we observed improved mechanical properties and thermoresponsiveness while preserving injectability. These microgels, adaptable for precise defect filling, 3D printing or tissue culture facilitate enhanced cellular integration with corneal keratocytes and exhibit tissue-like structures in culture. Our findings demonstrate the promise of GPR hydrogels as a minimally invasive avenue for corneal tissue regeneration. These results have the potential to address transplantation challenges, enhance clinical outcomes, and restore vision.
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Affiliation(s)
- Antonio J Feliciano
- Department of Complex Tissue Regeneration, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands.
| | - Yousra Alaoui Selsouli
- Department of Instructive Biomaterial Engineering, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands
| | - Pamela Habibovic
- Department of Instructive Biomaterial Engineering, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands
| | - Zeinab Niloofar Tahmasebi Birgani
- Department of Complex Tissue Regeneration, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands.
- Department of Instructive Biomaterial Engineering, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands
| | - Lorenzo Moroni
- Department of Complex Tissue Regeneration, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands.
| | - Matthew B Baker
- Department of Complex Tissue Regeneration, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands.
- Department of Instructive Biomaterial Engineering, Maastricht University, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht, the Netherlands
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2
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Li Q, Yang Y, Yu SM, Wu Z, Xing J, Lin Q, Miao Y, Wang H, Zhang DW, Wang W, Li ZT, Xu YX. Bispillar[5]arene-Based Slide-Ring Polyrotaxanation Enables Enhanced Toughness, Recyclability, Impact, and Puncture Resistance of Polyisoprene Elastomers. ACS APPLIED MATERIALS & INTERFACES 2024; 16:48342-48351. [PMID: 39216006 DOI: 10.1021/acsami.4c10680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
A series of slide-ring polyrotaxanes (SRPs) have been constructed by the solvent-free blending of a ditopic pillar[5]arene (DP5A) and polyisoprene (PIP) after thermal annealing. Solid-state 13C NMR experiments supported the fact that the pillar[5]arene rings of DP5A were threaded by PIP chains to afford physically interlocked networks. Tensile tests revealed that 1% of DP5A can improve the elongation at break from 50 to 239%, the tensile modulus from 2.1 to 3.9 MPa, and the toughness from 0.35 to 4.5 MJ/m3. Impact and puncture resistance experiments show that the DP5A-doped materials exhibit remarkable enhancement of protective and impalement-resistant performance. The samples can be also recycled repeatedly due to their physical crosslinking nature. The important stress delocalization effects have been attributed to the pulley effect of DP5A in the SRP materials, which represents a supramolecular approach for improving the performance of PIP elastomers.
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Affiliation(s)
- Qian Li
- Department of Chemistry, Fudan University, 2205 Songhu Road, Shanghai 200438, China
| | - Ying Yang
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Si-Min Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Zhibo Wu
- Shaanxi Key Laboratory of Impact Dynamics and Its Engineering Application, School of Aeronautics, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Jiabin Xing
- Department of Chemistry, Fudan University, 2205 Songhu Road, Shanghai 200438, China
| | - Qihan Lin
- Department of Chemistry, Fudan University, 2205 Songhu Road, Shanghai 200438, China
| | - Yinggang Miao
- Shaanxi Key Laboratory of Impact Dynamics and Its Engineering Application, School of Aeronautics, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Hui Wang
- Department of Chemistry, Fudan University, 2205 Songhu Road, Shanghai 200438, China
| | - Dan-Wei Zhang
- Department of Chemistry, Fudan University, 2205 Songhu Road, Shanghai 200438, China
| | - Wei Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Zhan-Ting Li
- Department of Chemistry, Fudan University, 2205 Songhu Road, Shanghai 200438, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Yun-Xiang Xu
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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3
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Zhong X, Zhang S, Wang H, Wang M, Feng Z, Su W, Wang J, Liu Z, Ye L. Dynamic RGD ligands derived from highly mobile cyclodextrins regulate spreading and proliferation of endothelial cells to promote vasculogenesis. Int J Biol Macromol 2024; 267:131667. [PMID: 38636761 DOI: 10.1016/j.ijbiomac.2024.131667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/14/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
A thiolated RGD was incorporated into the threaded allyl-β-cyclodextrins (Allyl-β-CDs) of the polyrotaxane (PR) through a thiol-ene click reaction, resulting in the formation of dynamic RGD ligands on the PR surface (dRGD-PR). When maintaining consistent RGD density and other physical properties, endothelial cells (ECs) cultured on dRGD-PR exhibited significantly increased cell proliferation and a larger cell spreading area compared to those on the non-dynamic RGD (nRGD-PCL). Furthermore, ECs on dRGD-PR demonstrated elevated expression levels of FAK, p-FAK, and p-AKT, along with a larger population of cells in the G2/M stage during cell cycle analysis, in contrast to cells on nRGD-PCL. These findings suggest that the movement of the RGD ligands may exert additional beneficial effects in promoting EC spreading and proliferation, beyond their essential adhesion and proliferation-promoting capabilities, possibly mediated by the RGD-integrin-FAK-AKT pathway. Moreover, in vitro vasculogenesis tests were conducted using two methods, revealing that ECs cultured on dRGD-PR exhibited much better vasculogenesis than nRGD-PCL in vitro. In vivo testing further demonstrated an increased presence of CD31-positive tissues on dRGD-PR. In conclusion, the enhanced EC spreading and proliferation resulting from the dynamic RGD ligands may contribute to improved in vitro vasculogenesis and in vivo vascularization.
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Affiliation(s)
- Xuanshu Zhong
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Shulei Zhang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Han Wang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China; Division of Medical Device, National Institutes for Food and Drug Control, Beijing 102629, China
| | - Mengjie Wang
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing 100044, China
| | - Zengguo Feng
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Wei Su
- Beijing Tsinghua Chang Gung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China.
| | - Jin Wang
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Zongjian Liu
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing 100044, China.
| | - Lin Ye
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China; Tangshan Research Institute, Beijing Institute of Technology, Tangshan 063000, China.
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He L, Jiang Y, Wei J, Zhang Z, Hong T, Ren Z, Huang J, Huang F, Stang PJ, Li S. Highly robust supramolecular polymer networks crosslinked by a tiny amount of metallacycles. Nat Commun 2024; 15:3050. [PMID: 38594237 PMCID: PMC11004166 DOI: 10.1038/s41467-024-47333-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/27/2024] [Indexed: 04/11/2024] Open
Abstract
Supramolecular polymeric materials have exhibited attractive features such as self-healing, reversibility, and stimuli-responsiveness. However, on account of the weak bonding nature of most noncovalent interactions, it remains a great challenge to construct supramolecular polymeric materials with high robustness. Moreover, high usage of supramolecular units is usually necessary to promote the formation of robust supramolecular polymeric materials, which restrains their applications. Herein, we describe the construction of highly robust supramolecular polymer networks by using only a tiny amount of metallacycles as the supramolecular crosslinkers. A norbornene ring-opening metathesis copolymer with a 120° dipyridine ligand is prepared and self-assembled with a 60° or 120° Pt(II) acceptor to fabricate the metallacycle-crosslinked polymer networks. With only 0.28 mol% or less pendant dipyridine units to form the metallacycle crosslinkers, the mechanical properties of the polymers are significantly enhanced. The tensile strengths, Young's moduli, and toughness of the reinforced polymers reach up to more than 20 MPa, 600 MPa, and 150 MJ/m3, respectively. Controllable destruction and reconstruction of the metallacycle-crosslinked polymer networks are further demonstrated by the sequential addition of tetrabutylammonium bromide and silver triflate, indicative of good stimuli-responsiveness of the networks. These remarkable performances are attributed to the thermodynamically stable, but dynamic metallacycle-based supramolecular coordination complexes that offer strong linkages with good adaptive characteristics.
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Affiliation(s)
- Lang He
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, P. R. China
| | - Yu Jiang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, P. R. China
| | - Jialin Wei
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, P. R. China
| | - Zibin Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, P. R. China
| | - Tao Hong
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, P. R. China
| | - Zhiqiang Ren
- School of Materials Science and Engineering, Peking University, Beijing, P. R. China
| | - Jianying Huang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, P. R. China.
| | - Feihe Huang
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou, P. R. China.
- Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, P. R. China.
| | - Peter J Stang
- Department of Chemistry, University of Utah, Salt Lake City, UT, USA.
| | - Shijun Li
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, P. R. China.
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Zhang Z, Zhao J, Yan X. Mechanically Interlocked Polymers with Dense Mechanical Bonds. Acc Chem Res 2024; 57:992-1006. [PMID: 38417011 DOI: 10.1021/acs.accounts.4c00006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
ConspectusMechanically interlocked polymers (MIPs) such as polyrotaxanes and polycatenanes are polymer architectures that incorporate mechanical bonds, which represent a compelling frontier in polymer science. MIPs with cross-linked structures are known as mechanically interlocked networks (MINs) and are widely utilized in materials science. Leveraging the motion of mechanical bonds, MINs hold the potential for achieving a combination of robustness and dynamicity. Currently, the reported MINs predominantly consist of networks with discrete mechanical bonds as cross-linking points, exemplified by well-known slide-ring materials and rotaxane/catenane cross-linked polymers. The motion of these mechanically interlocked cross-linking points facilitates the redistribution of tension throughout the network, effectively preventing stress concentration and thereby enhancing material toughness. In these instances, the impact of mechanical bonds can be likened to the adage "small things can make a big difference", whereby a limited number of mechanical bonds substantially elevate the mechanical performance of conventional polymers. In addition to MINs cross-linked by mechanical bonds, there is another type of MIN in which their principal parts are polymer chains composed of dense mechanical bonds. Within these MINs, mechanical bonds generally serve as repeating units, and their unique properties stem from integrating and amplifying the function of a large amount of mechanical bonds. Consequently, MINs with dense mechanical bonds tend to reflect the intrinsic properties of mechanical interlocked polymers, making their exploration critical for a comprehensive understanding of MIPs. Nevertheless, investigations into MINs featuring dense mechanical bonds remain relatively scarce.This Account presents a comprehensive overview of our investigation and insights into MINs featuring dense mechanical bonds. First, we delve into the synthetic strategies employed to effectively prepare MINs with dense mechanical bonds, while critically evaluating their advantages and limitations. Through meticulous control of the core interlocking step, three distinct strategies have emerged: mechanical interlocking followed by polymerization, supramolecular polymerization followed by mechanical interlocking, and dynamic interlocking. Furthermore, we underscore the structure-property relationships of MINs with dense mechanical bonds. The macroscopic properties of MINs originate from integrating and amplifying countless microscopic motions of mechanical bonds, a phenomenon we define as an integration and amplification mechanism. Our investigation has revealed detailed motion characteristics of mechanical bonds in bulk mechanically interlocked materials, encompassing the quantification of motion activation energy, discrimination of varying motion distances, and elucidation of the recovery process. Additionally, we have elucidated their influence on the mechanical performance of the respective materials. Moreover, we have explored potential applications of MINs, leveraging their exceptional mechanical properties and dynamicity. These applications include enhancing the toughness of conventional polymers, engineering mechanically adaptive and multifunctional aerogels, and mitigating Li protrusion as interfacial layers in lithium-ion batteries. Finally, we offer our personal perspectives on the promises, opportunities, and key challenges in the future development of MINs with dense mechanical bonds, underscoring the potential for transformative advancements in this burgeoning field.
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Affiliation(s)
- Zhaoming Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Jun Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Xuzhou Yan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
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6
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Liu K, Zhang X, Zhao D, Bai R, Wang Y, Yang X, Zhao J, Zhang H, Yu W, Yan X. Stretchable poly[2]rotaxane elastomers. FUNDAMENTAL RESEARCH 2024; 4:300-306. [PMID: 38933516 PMCID: PMC11197719 DOI: 10.1016/j.fmre.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 03/30/2022] [Accepted: 04/11/2022] [Indexed: 11/19/2022] Open
Abstract
Mechanically interlocked polymers (MIPs) are promising candidates for the construction of elastomeric materials with desirable mechanical performance on account of their abilities to undergo inherent rotational and translational mechanical movements at the molecular level. However, the investigations on their mechanical properties are lagging far behind their structural fabrication, especially for linear polyrotaxanes in bulk. Herein, we report stretchable poly[2]rotaxane elastomers (PREs) which integrate numerous mechanical bonds in the polymeric backbone to boost macroscopic mechanical properties. Specifically, we have synthesized a hydroxy-functionalized [2]rotaxane that subsequently participates in the condensation polymerization with diisocyanate to form PREs. Benefitting from the peculiar structural and dynamic characteristics of the poly[2]rotaxane, the representative PRE exhibits favorable mechanical performance in terms of stretchability (∼1200%), Young's modulus (24.6 MPa), and toughness (49.5 MJ/m3). Moreover, we present our poly[2]rotaxanes as model systems to understand the relationship between mechanical bonds and macroscopic mechanical properties. It is concluded that the mechanical properties of our PREs are mainly determined by the unique topological architectures which possess a consecutive energy dissipation pathway including the dissociation of host-guest interaction and consequential sliding motion of the wheel along the axle in the [2]rotaxane motif.
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Affiliation(s)
- Kai Liu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, China
| | - Xinhai Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dong Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ruixue Bai
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yongming Wang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xue Yang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jun Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hao Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wei Yu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xuzhou Yan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
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Zhu C, Ke L, Ao X, Chen Y, Cheng H, Xin H, Xu X, Loh XJ, Li Z, Lyu H, Wang Q, Zhang D, Ping Y, Wu C, Wu YL. Injectable Supramolecular Hydrogels for In Situ Programming of Car-T Cells toward Solid Tumor Immunotherapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310078. [PMID: 37947048 DOI: 10.1002/adma.202310078] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Chimeric antigen receptor (CAR)-T cell immunotherapy is approved in the treatment of hematological malignancies, but remains far from satisfactory in solid tumor treatment due to inadequate intra-tumor CAR-T cell infiltration. Herein, an injectable supramolecular hydrogel system, based on self-assembly between cationic polymer mPEG-PCL-PEI (PPP) conjugated with T cell targeting anti-CD3e f(ab')2 fragment and α-cyclodextrin (α-CD), is designed to load plasmid CAR (pCAR) with a T cell specific CD2 promoter, which successfully achieves in situ fabrication and effective accumulation of CAR-T cells at the tumor site in humanized mice models. More importantly, due to this tumor microenvironment reprogramming, secretion of cellular inflammatory cytokines (interleukin-2 (IL-2), tumor necrosis factor-α (TNF-α), and interferon-γ (IFN-γ)) or tumor killer protein granzyme B is significantly promoted, which reverses the immunosuppressive microenvironment and significantly enhances the intra-tumor CAR-T cells and cytotoxic T cells infiltration. To the best of the current knowledge, this is a pioneer report of using injectable supramolecular hydrogel for in situ reprogramming CAR-T cells, which might be beneficial for solid tumor CAR-T immunotherapy.
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Affiliation(s)
- Chunyan Zhu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Lingjie Ke
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Xiang Ao
- Department of Stem Cell and Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, and Department of Orthopedics, 953 Hospital of PLA Army, Shigatse Branch of Xinqiao Hospital, Army Medical University, Chongqing, 400042, China
| | - Ying Chen
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Hongwei Cheng
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Huhu Xin
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, 311121, China
| | - Xiang Xu
- Department of Stem Cell and Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, and Department of Orthopedics, 953 Hospital of PLA Army, Shigatse Branch of Xinqiao Hospital, Army Medical University, Chongqing, 400042, China
| | - Xian-Jun Loh
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Republic of Singapore
| | - Zibiao Li
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Republic of Singapore
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore, 627833, Republic of Singapore
| | - Haiyan Lyu
- Department of Pharmacy, Xiamen Xianyue Hospital, Xiamen, 361012, China
| | - Qi Wang
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Dandan Zhang
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Yuan Ping
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, 311121, China
| | - Caisheng Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Yun-Long Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
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8
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Tong F, Zhou Y, Xu Y, Chen Y, Yudintceva N, Shevtsov M, Gao H. Supramolecular nanomedicines based on host-guest interactions of cyclodextrins. EXPLORATION (BEIJING, CHINA) 2023; 3:20210111. [PMID: 37933241 PMCID: PMC10624390 DOI: 10.1002/exp.20210111] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 02/09/2023] [Indexed: 11/08/2023]
Abstract
In the biomedical and pharmaceutical fields, cyclodextrin (CD) is undoubtedly one of the most frequently used macrocyclic compounds as the host molecule because it has good biocompatibility and can increase the solubility, bioavailability, and stability of hydrophobic drug guests. In this review, we generalized the unique properties of CDs, CD-related supramolecular nanocarriers, supramolecular controlled release systems, and targeting systems based on CDs, and introduced the paradigms of these nanomedicines. In addition, we also discussed the prospects and challenges of CD-based supramolecular nanomedicines to facilitate the development and clinical translation of these nanomedicines.
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Affiliation(s)
- Fan Tong
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Yang Zhou
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Yanyan Xu
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Yuxiu Chen
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Natalia Yudintceva
- Institute of Cytology of the Russian Academy of Sciences (RAS)St. PetersburgRussia
| | - Maxim Shevtsov
- Institute of Cytology of the Russian Academy of Sciences (RAS)St. PetersburgRussia
| | - Huile Gao
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
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9
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Roy A, Manna K, Dey S, Pal S. Chemical modification of β-cyclodextrin towards hydrogel formation. Carbohydr Polym 2023; 306:120576. [PMID: 36746567 DOI: 10.1016/j.carbpol.2023.120576] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/28/2022] [Accepted: 01/08/2023] [Indexed: 01/15/2023]
Abstract
β-CD is a cyclic oligosaccharide, which has trunked cone like structure. The unique structure makes it efficient for numerous applications. Though, the native β-CD has many issues like low solubility, absence of sufficient functionalities and lower complexation ability with guest molecules. One of the most effective paths to increase the efficiency of cyclodextrins is the generation of polycyclodextrins. In this perspective article, we have summarized the recent reports on the synthetic methods towards the modification of β-CD. Besides, this article reviews the current improvements of two types of β-CD centered supramolecular hydrogels: one is supramolecular hydrogels prepared from CD-based poly(pseudo)rotaxanes and the other is supramolecular hydrogels developed through the host-guest interaction between small guest molecules and CDs. The Polycyclodextrins have established noteworthy applications in several areas ranging from adsorbents for organic pollutants removal to effective carriers of bioactive agents.
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Affiliation(s)
- Arpita Roy
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Jharkhand 826004, India.
| | - Kalipada Manna
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Jharkhand 826004, India
| | - Shaon Dey
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Jharkhand 826004, India
| | - Sagar Pal
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Jharkhand 826004, India.
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10
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Ohashi M, Tamura A, Yui N. Exploring Receptor Binding Affinities and Hepatic Cell Association of N-Acetyl-d-Galactosamine-Modified β-Cyclodextrin-Based Polyrotaxanes for Liver-Targeted Therapies. Biomacromolecules 2023; 24:2327-2341. [PMID: 37036902 DOI: 10.1021/acs.biomac.3c00194] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
Acid-degradable polyrotaxanes (PRXs) containing threading β-cyclodextrins (β-CDs) are promising candidates for therapeutic applications of β-CDs in metabolic diseases with cholesterol overload or imbalance. To improve cellular uptake specificity and efficiency of PRXs in hepatocytes, N-acetyl-d-galactosamine (GalNAc)-modified PRXs were developed to facilitate asialoglycoprotein receptor (ASGR)-mediated endocytosis. Binding affinity studies revealed that the dissociation constant (KD) values between recombinant ASGR and GalNAc-PRXs decreased with an increase in the number of modified GalNAc units. Additionally, the KD values for GalNAc-PRXs were smaller than those for GalNAc-modified β-CD and amylose, suggesting that the PRX backbone structure improves the binding affinity with ASGR. However, the intracellular uptake levels of GalNAc-PRXs in HepG2 cells increased with a decrease in the number of modified GalNAc units, which was opposite to the trend observed in the binding affinity study. We found that GalNAc-PRXs had a large number of GalNAc units localized in recycling endosomes, resulting in the low intracellular uptake. The cholesterol-reducing abilities of GalNAc-PRXs were assessed using cholesterol-overloaded HepG2 cells. GalNAc-PRXs with a small number of GalNAc units were demonstrated to show superior cholesterol-reducing effects compared to previously designed acid-degradable PRX and clinically tested β-CD derivatives. Thus, we conclude that GalNAc modification is a promising molecular design for the therapeutic application of β-CD-threaded PRXs in various metabolic diseases with cholesterol overload or imbalance in the liver.
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Affiliation(s)
- Moe Ohashi
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Atsushi Tamura
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
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11
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Topological Catenation Enhances Elastic Modulus of Single Linear Polycatenane. CHINESE JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1007/s10118-023-2902-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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12
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Han H, Seale JSW, Feng L, Qiu Y, Stoddart JF. Sequence‐controlled synthesis of rotaxanes. JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1002/pol.20220691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Han Han
- Department of Chemistry Northwestern University Evanston Illinois USA
| | - James S. W. Seale
- Department of Chemistry Northwestern University Evanston Illinois USA
| | - Liang Feng
- Department of Chemistry Northwestern University Evanston Illinois USA
| | - Yunyan Qiu
- Department of Chemistry National University of Singapore Singapore Republic of Singapore
| | - J. Fraser Stoddart
- Department of Chemistry Northwestern University Evanston Illinois USA
- School of Chemistry University of New South Wales Sydney Australia
- Department of Chemistry, Stoddart Institute of Molecular Science Zhejiang University Hangzhou China
- ZJU‐Hangzhou Global Scientific and Technological Innovation Center Hangzhou China
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13
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Zhang M, Hao H, Shi C, Chen C, Zhou G, Wang J, Cao Y, Han X. Bis-terpyridine imprinted nanocage in the confined two-dimensional lamellar membrane for selective adsorption of Nd(III). Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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14
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Cai X, Liu H, Zhang G. Control of the threading ratio of rings in a polypseudorotaxane: A computer simulation study. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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15
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Taimoory SM, Yu X, Beyeh NK, Nasri S, Trant JF. Divalent Benzimidazolium-Based Axles for Self-Reporting Pseudorotaxanes. J Org Chem 2022; 87:15783-15795. [PMID: 36377941 DOI: 10.1021/acs.joc.2c01758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Mono- and (bis)benzimidazoliums were evaluated both experimentally and computationally for their potential as pseudopolyrotaxane axle building blocks. Their aggregation and photophysical behavior, along with their potential to form a [2]pseudorotaxane with dibenzyl-24-crown-8, was studied through the synergistic application of 1D/2D and diffusion-ordered NMR spectroscopy, mass spectrometry, ultraviolet-visible and fluorescence spectroscopy, and time-dependent density functional theory. Their photophysical behavior was measured and modeled as a function of protonation state, solvent, and concentration. The axles show strong solvochromaticism and a very pronounced concentration-dependent optical profile, including self-quenching when a pseudorotaxane is formed. This axle with multiple recognition sites has the potential to form pseudorotaxanes with tunable optical behavior.
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Affiliation(s)
- S Maryamdokht Taimoory
- Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Ave., Windsor, ON N9B 3P4, Canada.,Department of Chemistry, University of Michigan, 930 N. University Ave., 2006B, Ann Arbor, Michigan 48109, United States
| | - Xiao Yu
- Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Ave., Windsor, ON N9B 3P4, Canada
| | - Ngong Kodiah Beyeh
- Department of Chemistry, Oakland University, 146 Library Drive, Rochester, Michigan 48309-4479, United States
| | - Sarah Nasri
- Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Ave., Windsor, ON N9B 3P4, Canada
| | - John F Trant
- Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Ave., Windsor, ON N9B 3P4, Canada
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16
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Patel V, Parekh P, Khimani M, Yusa SI, Bahadur P. Pluronics® based Penta Block Copolymer micelles as a precursor of smart aggregates for various applications: A review. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.121140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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17
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Kato K, Maeda K, Mizuno M, Nishina Y, Fa S, Ohtani S, Ogoshi T. Room‐Temperature Ring‐Opening Polymerization of δ‐Valerolactone and ϵ‐Caprolactone Caused by Uptake into Porous Pillar[5]arene Crystals. Angew Chem Int Ed Engl 2022; 61:e202212874. [DOI: 10.1002/anie.202212874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Kenichi Kato
- Department of Synthetic Chemistry and Biological Chemistry Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto, 615-8510 Japan
| | - Koki Maeda
- Department of Synthetic Chemistry and Biological Chemistry Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto, 615-8510 Japan
| | - Motohiro Mizuno
- Graduate School of Natural Science and Technology Kanazawa University
- NanoMaterials Research Institute (NanoMaRi) Kanazawa University Kakuma-machi Kanazawa, 920-1192 Japan
| | - Yuta Nishina
- Research Core for Interdisciplinary Sciences Okayama University Okayama 700-8530 Japan
| | - Shixin Fa
- Department of Synthetic Chemistry and Biological Chemistry Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto, 615-8510 Japan
| | - Shunsuke Ohtani
- Department of Synthetic Chemistry and Biological Chemistry Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto, 615-8510 Japan
| | - Tomoki Ogoshi
- Department of Synthetic Chemistry and Biological Chemistry Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto, 615-8510 Japan
- WPI Nano Life Science Institute Kanazawa University Kakuma-machi Kanazawa, 920-1192 Japan
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18
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Tamura A, Kang TW, Tonegawa A, Arisaka Y, Masuda H, Mikami R, Iwata T, Yoda T, Yui N. Supramolecular Surface Coatings with Acetylated Polyrotaxane-Based Triblock Copolymers for Thermal Regulation of Cell Adhesion and Fabrication of Cell Sheets. Biomacromolecules 2022; 23:4860-4871. [PMID: 36206115 DOI: 10.1021/acs.biomac.2c01043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Polyrotaxanes (PRXs) containing acetylated α-cyclodextrins exhibit a temperature-dependent phase transition in aqueous solutions across their lower critical solution temperature (LCST) of approximately 26.6 °C. To gain insights into the interactions of acetylated PRXs (Ac-PRXs) with biological components, thermoresponsive supramolecular surfaces were prepared by coating tissue culture polystyrene (TCPS) surfaces with Ac-PRX triblock copolymers, and their surface properties across the LCST were evaluated. The wettability and protein adsorption of Ac-PRX-coated surfaces changed significantly between 10 and 37 °C, whereas the uncoated TCPS and unmodified PRX-coated surfaces did not alter the wettability and protein adsorption at 10 and 37 °C. The adhesion, proliferation, morphology, and adhesion strength of NIH/3T3 cells on Ac-PRX-coated surfaces were found to be similar to those of the uncoated and unmodified PRX-coated surfaces. However, the adhesion strength of NIH/3T3 cells on Ac-PRX-coated surfaces decreased drastically at 10 °C. Consequently, the cells spontaneously detached from the Ac-PRX-coated surfaces without enzymatic treatment. Additionally, when incubating confluent cells at 10 °C, the cells detached from Ac-PRX-coated surfaces as cell sheets while retaining extracellular matrix proteins. The findings of this study provide new directions for the design of thermoresponsive supramolecular biointerfaces for applications in bioseparation and cell manipulation.
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Affiliation(s)
- Atsushi Tamura
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Tae Woong Kang
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Asato Tonegawa
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Yoshinori Arisaka
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Hiroki Masuda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Ryo Mikami
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Takanori Iwata
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Tetsuya Yoda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
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19
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Chen L, Sheng X, Li G, Huang F. Mechanically interlocked polymers based on rotaxanes. Chem Soc Rev 2022; 51:7046-7065. [PMID: 35852571 DOI: 10.1039/d2cs00202g] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The nature of mechanically interlocked molecules (MIMs) has continued to encourage researchers to design and construct a variety of high-performance materials. Introducing mechanically interlocked structures into polymers has led to novel polymeric materials, called mechanically interlocked polymers (MIPs). Rotaxane-based MIPs are an important class, where the mechanically interlocked characteristic retains a high degree of structural freedom and mobility of their components, such as the rotation and sliding motions of rotaxane units. Therefore, these MIP materials are known to possess a unique set of properties, including mechanical robustness, adaptability and responsiveness, which endow them with potential applications in many emerging fields, such as protective materials, intelligent actuators, and mechanisorption. In this review, we outline the synthetic strategies, structure-property relationships, and application explorations of various polyrotaxanes, including linear polyrotaxanes, polyrotaxane networks, and rotaxane dendrimers.
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Affiliation(s)
- Liya Chen
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
| | - Xinru Sheng
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
| | - Guangfeng Li
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China. .,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China.
| | - Feihe Huang
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China. .,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China. .,Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
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20
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Jain S, Desai MR, Nallamothu B, Kuche K, Chaudhari D, Katiyar SS. Partial inclusion complex assisted crosslinked β-cyclodextrin nanoparticles for improving therapeutic potential of docetaxel against breast cancer. Drug Deliv Transl Res 2022; 12:562-576. [PMID: 33774776 DOI: 10.1007/s13346-021-00956-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2021] [Indexed: 11/25/2022]
Abstract
The present investigation demonstrates the development of crosslinked β-cyclodextrin nanoparticles (β-CD NPs) for enhancing the therapeutic efficacy of docetaxel (DTX) against breast cancer. Initially, a partial inclusion complex between β-CD and polypropylene glycol (PPG) was formed to induce self-assembly. This was followed by crosslinking of β-CDs using epichlorohydrin (EPI) and removal (by solubilization) of PPG to yield uniform β-CD NPs. The formed particles were used for loading DTX to form DTX β-CD NPs. The resultant DTX β-CD NPs exhibited particle size of 223.36 ± 17.73 nm with polydispersity index (PDI) of 0.13 ± 0.09 and showed entrapment efficiency of 54.53 ± 2%. Increased cell uptake (~5-fold), cytotoxicity (~3.3-fold), and apoptosis were observed in MDA-MB-231 cells when treated with DTX β-CD NPs in comparison to free DTX. Moreover, pharmacokinetic evaluation of DTX β-CD NPs revealed ~2 and ~5-fold increase in AUC0-∞ and mean residence time (MRT) of DTX when compared to Docepar®. Further, the anti-tumor activity using DMBA-induced cancer model showed that DTX β-CD NPs were capable of reducing the tumor volume to ~40%, whereas Docepar® was able to reduce tumor volume till ~80%. Finally, the toxicity evaluation of DTX β-CD NPs revealed no short-term nephrotoxicity and was confirmed by estimating the levels of biomarkers and histopathology of the organs. Thus, the proposed formulation strategy can yield uniformly formed β-CD NPs which can be effectively utilized for improving the therapeutic efficacy of DTX.
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Affiliation(s)
- Sanyog Jain
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India.
| | - Mahesh R Desai
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India
| | - Bhargavi Nallamothu
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India
| | - Kaushik Kuche
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India
| | - Dasharath Chaudhari
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India
| | - Sameer S Katiyar
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India
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21
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Kang TW, Tamura A, Arisaka Y, Yui N. Thin‐layer photodegradable polyrotaxane gel‐immobilized surfaces for photoregulation of surface properties and cell adhesiveness. J Appl Polym Sci 2022. [DOI: 10.1002/app.51656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tae Woong Kang
- Department of Organic Biomaterials Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) Tokyo Japan
| | - Atsushi Tamura
- Department of Organic Biomaterials Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) Tokyo Japan
| | - Yoshinori Arisaka
- Department of Organic Biomaterials Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) Tokyo Japan
| | - Nobuhiko Yui
- Department of Organic Biomaterials Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU) Tokyo Japan
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22
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Abstract
Electrospinning is one of the simple, versatile, and convenient techniques for producing nanofibers that have found numerous applications in the fields of biomedical engineering, surface materials, and catalysis. Despite the great achievements, the electrospinning compounds are still limited to the utilization of polymers with high molar mass which are regarded as an indispensable element for the production of nanofibers. It is found that electrospinning chemicals based on supramolecular systems can avoid the use of high molecular weight polymers, and it is emerging as a powerful route to generate fibers in the nano-scale size. The presence of strong intermolecular interactions that function as chain entanglements allows for the formation of nanofibers during the process of electrospinning. This article provides recent impressive developments concerning nanofiber preparation made by the combination of electrospinning and supramolecular chemistry, which enables easy access to tailor-made nanofibers. Electrospinning supramolecular systems consisting of phospholipids, surfactants, crown ether derivatives as well as cyclodextrins will be highlighted in this review. Moreover, we will pay particular attention to the functionalities of electrospun nanofibers obtained from supramolecular systems.
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Affiliation(s)
- Hailong Che
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 200444, Shanghai, China.
| | - Jinying Yuan
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, China
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23
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Alaboalirat M, Matson JB. Poly(β-Cyclodextrin) Prepared by Ring-Opening Metathesis Polymerization Enables Creation of Supramolecular Polymeric Networks. ACS Macro Lett 2021; 10:1460-1466. [PMID: 35549146 DOI: 10.1021/acsmacrolett.1c00590] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The controlled synthesis of polymers containing densely grafted cyclodextrin units has proven challenging due to the steric hindrance of these cyclic oligosaccharides. In this study, we report the controlled synthesis of poly(β-cyclodextrin) [poly(β-CD)] through ring-opening metathesis polymerization (ROMP) using Grubbs third-generation catalyst. Molecular weights of >105 g/mol were obtained with dispersity values (Đ) of ≤1.2. In aqueous solution, β-cyclodextrin forms a host-guest complex with adamantyl groups (Ad). These interactions were utilized to prepare supramolecular polymer networks (SPNs) made by adding poly(β-CD) to α,ω-adamantyl-functionalized poly(2-hydroxyethyl acrylate) (Ad-PHEA-Ad). These poly(β-CD)/Ad-PHEA-Ad SPNs were prepared in aqueous solution and then dried to make homogeneous, transparent films. Varying the ratios of the two components enabled structure-property studies via tensile measurements.
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Affiliation(s)
- Mohammed Alaboalirat
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - John B. Matson
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, Virginia 24061, United States
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24
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Sayed M, Pal H. An overview from simple host-guest systems to progressively complex supramolecular assemblies. Phys Chem Chem Phys 2021; 23:26085-26107. [PMID: 34787121 DOI: 10.1039/d1cp03556h] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Supramolecular chemistry involving macrocyclic hosts is a highly interdisciplinary and fast-growing research field in chemistry, biochemistry, and materials science. Host-guest based supramolecular assemblies, as constructed through non-covalent interactions, are highly dynamic in nature, and can be tuned easily using their responses to various external stimuli, providing a convenient approach to achieve excellent functional materials. Macrocyclic hosts, particularly cyclodextrins, cucurbit[n]urils, and calix[n]arenes, which have unique features like possessing hydrophobic cavities of different sizes, along with hydrophilic external surfaces, which are also amenable towards easy derivatizations, are versatile cavitands or host molecules to encapsulate diverse guest molecules to form stable host-guest complexes with many unique structures and properties. Interestingly, host-guest complexes possessing amphiphilic properties can easily lead to the formation of various advanced supramolecular assemblies, like pseudorotaxanes, rotaxanes, polyrotaxanes, supramolecular polymers, micelles, vesicles, supramolecular nanostructures, and so on. Moreover, these supramolecular assemblies, with varied morphologies and responsiveness towards external stimuli, have immense potential for applications in nanotechnology, materials science, biosensors, drug delivery, analytical chemistry and biomedical sciences. In this perspective, we present a stimulating overview, discussing simple host-guest systems to complex supramolecular assemblies in a systematic manner, aiming to encourage future researchers in this fascinating area of supramolecular chemistry to develop advanced supramolecular materials with superior functionalities, for their deployment in diverse applied areas.
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Affiliation(s)
- Mhejabeen Sayed
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India. .,Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094, India
| | - Haridas Pal
- Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094, India.,Analytical Chemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
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25
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El Haitami A, Resmerita AM, Fichet O, Cantin S, Aubert PH, Farcas A. Synthesis, Photophysics, and Langmuir Films of Polyfluorene/Permodified Cyclodextrin Polyrotaxanes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:11406-11413. [PMID: 34528811 DOI: 10.1021/acs.langmuir.1c02014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In the present study, we investigated the effect of permodified 2,3,6-tri-O-trimethylsilyl β- and γ-cyclodextrin (TMS·β-CD, TMS·γ-CD) encapsulation on the optical, electrochemical, morphological, and supramolecular arrangements of a poly[2,7'-(9,9-dioctylfluorene-alt-2',7-fluorene)] PF copolymer. For this purpose, the photophysical properties and Langmuir monolayer formation of PF·TMS·β-CD and PF·TMS·γ-CD polyrotaxanes were investigated and compared with those of the reference PF. Surface pressure-area isotherms and Brewster angle microscopy studies indicated the capability of both polyrotaxanes to organize into larger and homogeneous 2D supramolecular assemblies at the air-water interface. The obtained results suggest that the presence of the surrounding TMS·β-CD and TMS·γ-CD macrocycles on the PF backbones leads to changes in the conformation and hydrophobicity of the film surfaces. Our investigation offers a method to assess the impact of TMS-CD encapsulation on the control of 2D monolayer formation, with particular attention on the generation of stable PF monolayers for organic electronic devices.
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Affiliation(s)
| | | | | | | | | | - Aurica Farcas
- "Petru Poni" Institute of Macromolecular Chemistry, 700487 Iasi, Romania
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26
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Kojima T, Takeda H, Kuwamura N, Konno T. A Pseudorotaxane System Containing γ-Cyclodextrin Formed via Chiral Recognition with an Au I 6 Ag I 3 Cu II 3 Molecular Cap. Chemistry 2021; 27:15981-15985. [PMID: 34436804 DOI: 10.1002/chem.202102769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Indexed: 11/11/2022]
Abstract
Solvent-mediated crystal-to-crystal transformations of [Au6 Ag3 Cu3 (H2 O)3 (d-pen)6 (tdme)2 ]3+ (d-[1(H2 O)3 ]3+ ; pen2- =penicillaminate, tdme=1,1,1-tris(diphenylphosphinomethyl)ethane) to form unique supramolecular species are reported. Soaking crystals of d-[1(H2 O)3 ]3+ in aqueous Na2 bdc (bdc2- =1,4-benzenedicarboxylate) yielded crystals containing d-[1(bdc)(H2 O)2 ]+ due to the replacement of a terminal aqua ligand in d-[1(H2 O)3 ]3+ by a monodentate bdc2- ligand. When γ-cyclodextrin (γ-CD) was added to aqueous Na2 bdc, d-[1(H2 O)3 ]3+ was transformed to d-[1(bdc@γ-CD)(H2 O)2 ]+ , where a γ-CD ring was threaded by a bdc2- molecule to construct a pseudorotaxane structure. While the use of dicarboxylates with an aliphatic carbon chain instead of bdc2- afforded analogous pseudorotaxanes, such pseudorotaxane species were not formed when crystals of [Au6 Ag3 Cu3 (H2 O)3 (l-pen)6 (tdme)2 ]3+ (l-[1(H2 O)3 ]3+ ) enantiomeric to d-[1(H2 O)3 ]3+ were soaked in aqueous Na2 bdc and γ-CD, affording only crystals containing l-[1(bdc)(H2 O)2 ]+ .
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Affiliation(s)
- Tatsuhiro Kojima
- Department of Chemistry, Graduate School of Science, Osaka University Toyonaka, Osaka, 560-0043, Japan
| | - Hiroto Takeda
- Department of Chemistry, Graduate School of Science, Osaka University Toyonaka, Osaka, 560-0043, Japan
| | - Naoto Kuwamura
- Department of Chemistry, Graduate School of Science, Osaka University Toyonaka, Osaka, 560-0043, Japan
| | - Takumi Konno
- Department of Chemistry, Graduate School of Science, Osaka University Toyonaka, Osaka, 560-0043, Japan
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27
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Chelidamic acid derivatives: Precursors to functionalized pyridyl cryptands & functionalized metal ligands. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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28
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Liu Z, Ye L, Xi J, Wang J, Feng ZG. Cyclodextrin polymers: Structure, synthesis, and use as drug carriers. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2021.101408] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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29
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Choi J, Takata T, Ajiro H. Pseudo-Polyrotaxane Stereocomplex with α-Cyclodextrin and Block Copolymers Using Poly(ethylene glycol) and Polylactide. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- JaeYeong Choi
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Toshikazu Takata
- School of Chemical Science and Engineering, Tokyo Institute of Technology, Yokohama 226-8503, Japan
- Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Hiroharu Ajiro
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
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30
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Kench T, Summers PA, Kuimova MK, Lewis JEM, Vilar R. Rotaxanes as Cages to Control DNA Binding, Cytotoxicity, and Cellular Uptake of a Small Molecule*. Angew Chem Int Ed Engl 2021; 60:10928-10934. [PMID: 33577711 DOI: 10.1002/anie.202100151] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/08/2021] [Indexed: 11/08/2022]
Abstract
The efficacy of many drugs can be limited by undesirable properties, such as poor aqueous solubility, low bioavailability, and "off-target" interactions. To combat this, various drug carriers have been investigated to enhance the pharmacological profile of therapeutic agents. In this work, we demonstrate the use of mechanical protection to "cage" a DNA-targeting metallodrug within a photodegradable rotaxane. More specifically, we report the synthesis of rotaxanes incorporating as a stoppering unit a known G-quadruplex DNA binder, namely a PtII -salphen complex. This compound cannot interact with DNA when it is part of the mechanically interlocked assembly. The second rotaxane stopper can be cleaved by either light or an esterase, releasing the PtII -salphen complex. This system shows enhanced cell permeability and limited cytotoxicity within osteosarcoma cells compared to the free drug. Light activation leads to a dramatic increase in cytotoxicity, arising from the translocation of PtII -salphen to the nucleus and its binding to DNA.
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Affiliation(s)
- Timothy Kench
- Department of Chemistry, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Peter A Summers
- Department of Chemistry, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Marina K Kuimova
- Department of Chemistry, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - James E M Lewis
- Department of Chemistry, Imperial College London, White City Campus, London, W12 0BZ, UK
| | - Ramon Vilar
- Department of Chemistry, Imperial College London, White City Campus, London, W12 0BZ, UK
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31
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Kench T, Summers PA, Kuimova MK, Lewis JEM, Vilar R. Rotaxanes as Cages to Control DNA Binding, Cytotoxicity, and Cellular Uptake of a Small Molecule**. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Timothy Kench
- Department of Chemistry Imperial College London White City Campus London W12 0BZ UK
| | - Peter A. Summers
- Department of Chemistry Imperial College London White City Campus London W12 0BZ UK
| | - Marina K. Kuimova
- Department of Chemistry Imperial College London White City Campus London W12 0BZ UK
| | - James E. M. Lewis
- Department of Chemistry Imperial College London White City Campus London W12 0BZ UK
| | - Ramon Vilar
- Department of Chemistry Imperial College London White City Campus London W12 0BZ UK
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32
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Kato K, Onishi K, Maeda K, Yagyu M, Fa S, Ichikawa T, Mizuno M, Kakuta T, Yamagishi TA, Ogoshi T. Thermally Responsive Poly(ethylene oxide)-Based Polyrotaxanes Bearing Hydrogen-Bonding Pillar[5]arene Rings*. Chemistry 2021; 27:6435-6439. [PMID: 33543802 DOI: 10.1002/chem.202005099] [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] [Received: 11/25/2020] [Revised: 12/26/2020] [Indexed: 11/09/2022]
Abstract
Poly(ethylene oxide)s (PEOs) are useful polymers with good water solubility, biological compatibility, and commercial availability. PEOs with various end groups were threaded into pillar[5]arene rings in a mixture of water and methanol to afford pseudopolyrotaxanes. Corresponding polyrotaxanes were also constructed by capping COOH-terminated pseudopolyrotaxanes with bulky amines, in which multiple hydrogen bonds involving the pillar[5]arene OH groups were critically important to prevent dethreading. The number of threaded ring components could be rationally controlled in these materials, providing a simple and versatile method to tune the mechanical and thermal properties. Specifically, a polyrotaxane with a high-molecular-weight axle became elastic upon heating above the melting point of PEOs and exhibited temperature-dependent shape memory property because of the topological confinement and crosslinked hydrogen bonds.
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Affiliation(s)
- Kenichi Kato
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 6158510, Japan
| | - Katsuto Onishi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 6158510, Japan
| | - Koki Maeda
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 6158510, Japan
| | - Masafumi Yagyu
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 9201192, Japan
| | - Shixin Fa
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 6158510, Japan
| | - Takahiro Ichikawa
- Department of Biotechnology, Faculty of Engineering, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo, 1848588, Japan
| | - Motohiro Mizuno
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 9201192, Japan
| | - Takahiro Kakuta
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 9201192, Japan.,WPI Nano Life Science Institute, Kanazawa University, Kakuma-machi, Kanazawa, 9201192, Japan
| | - Tada-Aki Yamagishi
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 9201192, Japan
| | - Tomoki Ogoshi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 6158510, Japan.,WPI Nano Life Science Institute, Kanazawa University, Kakuma-machi, Kanazawa, 9201192, Japan
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33
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Zhao X, Chen X, Yuk H, Lin S, Liu X, Parada G. Soft Materials by Design: Unconventional Polymer Networks Give Extreme Properties. Chem Rev 2021; 121:4309-4372. [PMID: 33844906 DOI: 10.1021/acs.chemrev.0c01088] [Citation(s) in RCA: 316] [Impact Index Per Article: 105.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Hydrogels are polymer networks infiltrated with water. Many biological hydrogels in animal bodies such as muscles, heart valves, cartilages, and tendons possess extreme mechanical properties including being extremely tough, strong, resilient, adhesive, and fatigue-resistant. These mechanical properties are also critical for hydrogels' diverse applications ranging from drug delivery, tissue engineering, medical implants, wound dressings, and contact lenses to sensors, actuators, electronic devices, optical devices, batteries, water harvesters, and soft robots. Whereas numerous hydrogels have been developed over the last few decades, a set of general principles that can rationally guide the design of hydrogels using different materials and fabrication methods for various applications remain a central need in the field of soft materials. This review is aimed at synergistically reporting: (i) general design principles for hydrogels to achieve extreme mechanical and physical properties, (ii) implementation strategies for the design principles using unconventional polymer networks, and (iii) future directions for the orthogonal design of hydrogels to achieve multiple combined mechanical, physical, chemical, and biological properties. Because these design principles and implementation strategies are based on generic polymer networks, they are also applicable to other soft materials including elastomers and organogels. Overall, the review will not only provide comprehensive and systematic guidelines on the rational design of soft materials, but also provoke interdisciplinary discussions on a fundamental question: why does nature select soft materials with unconventional polymer networks to constitute the major parts of animal bodies?
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Affiliation(s)
- Xuanhe Zhao
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Xiaoyu Chen
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Hyunwoo Yuk
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Shaoting Lin
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Xinyue Liu
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - German Parada
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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34
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35
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Terauchi M, Tamura A, Arisaka Y, Masuda H, Yoda T, Yui N. Cyclodextrin-Based Supramolecular Complexes of Osteoinductive Agents for Dental Tissue Regeneration. Pharmaceutics 2021; 13:136. [PMID: 33494320 PMCID: PMC7911178 DOI: 10.3390/pharmaceutics13020136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 12/16/2022] Open
Abstract
Oral tissue regeneration has received growing attention for improving the quality of life of patients. Regeneration of oral tissues such as alveolar bone and widely defected bone has been extensively investigated, including regenerative treatment of oral tissues using therapeutic cells and growth factors. Additionally, small-molecule drugs that promote bone formation have been identified and tested as new regenerative treatment. However, treatments need to progress to realize successful regeneration of oral functions. In this review, we describe recent progress in development of regenerative treatment of oral tissues. In particular, we focus on cyclodextrin (CD)-based pharmaceutics and polyelectrolyte complexation of growth factors to enhance their solubility, stability, and bioactivity. CDs can encapsulate hydrophobic small-molecule drugs into their cavities, resulting in inclusion complexes. The inclusion complexation of osteoinductive small-molecule drugs improves solubility of the drugs in aqueous solutions and increases in vitro osteogenic differentiation efficiency. Additionally, various anionic polymers such as heparin and its mimetic polymers have been developed to improve stability and bioactivity of growth factors. These polymers protect growth factors from deactivation and degradation by complex formation through electrostatic interaction, leading to potentiation of bone formation ability. These approaches using an inclusion complex and polyelectrolyte complexes have great potential in the regeneration of oral tissues.
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Affiliation(s)
- Masahiko Terauchi
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Atsushi Tamura
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
| | - Yoshinori Arisaka
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
| | - Hiroki Masuda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Tetsuya Yoda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
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36
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M. Badr-El S, Mubarak Al H, Kotta S, Abdulhafiz N. Self-Assembled Supramolecular Hydrogel Based on α-Cyclodextrin/Poloxamer Polypseudorotaxanes for Ocular Delivery of Ciprofloxacin. INT J PHARMACOL 2021. [DOI: 10.3923/ijp.2021.15.27] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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38
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Xu C, Yu B, Qi Y, Zhao N, Xu F. Versatile Types of Cyclodextrin-Based Nucleic Acid Delivery Systems. Adv Healthc Mater 2021; 10:e2001183. [PMID: 32935932 DOI: 10.1002/adhm.202001183] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/23/2020] [Indexed: 12/16/2022]
Abstract
Nowadays, nucleic acid therapy has become a promising way for the treatment of various malignant diseases. Cyclodextrin (CD)-based nucleic acid delivery systems have attracted widespread attention due to the favorable chemical structures and excellent biological properties of CD. Recently, a variety of CD-based nucleic acid delivery systems has been designed according to the different functions of CD for flexible gene therapies. In this review, the construction strategies and biomedical applications of CD-based nucleic acid delivery systems are mainly focused on. The review begins with an introduction to the synthesis and properties of simple CD-grafted polycations. Thereafter, CD-related supramolecular assemblies based on different guest components are discussed in detail. Finally, different CD-based organic/inorganic nanohybrids and their relevant functions are demonstrated. It is hoped that this brief review will motivate the delicate design of CD-based nucleic acid delivery systems for potential clinical applications.
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Affiliation(s)
- Chen Xu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology Ministry of Education) Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing 100029 China
| | - Bingran Yu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology Ministry of Education) Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing 100029 China
| | - Yu Qi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology Ministry of Education) Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing 100029 China
| | - Nana Zhao
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology Ministry of Education) Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing 100029 China
| | - Fu‐Jian Xu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology Ministry of Education) Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing 100029 China
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39
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Kang TW, Tamura A, Arisaka Y, Yui N. Visible light-degradable supramolecular gels comprising cross-linked polyrotaxanes capped with trithiocarbonate groups. Polym Chem 2021. [DOI: 10.1039/d1py00569c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Visible light-degradable supramolecular gels were designed using polyrotaxanes (PRXs) containing bulky trithiocarbonate groups as stopper molecules that are cleaved by visible light irradiation.
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Affiliation(s)
- Tae Woong Kang
- Department of Organic Biomaterials
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Tokyo 101-0062
- Japan
| | - Atsushi Tamura
- Department of Organic Biomaterials
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Tokyo 101-0062
- Japan
| | - Yoshinori Arisaka
- Department of Organic Biomaterials
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Tokyo 101-0062
- Japan
| | - Nobuhiko Yui
- Department of Organic Biomaterials
- Institute of Biomaterials and Bioengineering
- Tokyo Medical and Dental University (TMDU)
- Tokyo 101-0062
- Japan
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40
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Wang JY, Wu QY, Wang S, Huang ZW, Hu KQ, Yu JP, Mei L, Zhang M, Chai ZF, Shi WQ. Coordination-driven assembly of actinide-organic polyrotaxanes involving crown ether macrocycles. Org Chem Front 2021. [DOI: 10.1039/d1qo00536g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using macrocyclic DB24C8 as a new kind of host molecule for a pseudorotaxane ligand, actinide-linked crown ether-based coordination polyrotaxanes, UCER-1 and UCER-2, that are linked by two different uranyl nodes, have been synthesised for the first time.
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41
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Rajendan AK, Arisaka Y, Yui N, Iseki S. Polyrotaxanes as emerging biomaterials for tissue engineering applications: a brief review. Inflamm Regen 2020; 40:27. [PMID: 33292785 PMCID: PMC7657355 DOI: 10.1186/s41232-020-00136-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 08/07/2020] [Indexed: 02/06/2023] Open
Abstract
The field of tissue engineering and regeneration constantly explores the possibility of utilizing various biomaterials' properties to achieve effective and uneventful tissue repairs. Polyrotaxanes (PRXs) are supramolecular assemblies, which possess interesting mechanical property at a molecular scale termed as molecular mobility. This molecular mobility could be utilized to stimulate various cellular mechanosignaling elements, thereby altering the cellular functions. Apart from this, the versatile nature of PRXs such as the ability to form complex with growth factors and peptides, numerous sites for chemical modifications, and processability into different forms makes them interesting candidates for applications towards tissue engineering. This literature briefly reviews the concepts of PRXs and molecular mobility, the versatile nature of PRXs, and its emerging utility towards certain tissue engineering applications.
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Affiliation(s)
- Arun Kumar Rajendan
- Section of Molecular Craniofacial Embryology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan
| | - Yoshinori Arisaka
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo, 101-0062, Japan
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo, 101-0062, Japan
| | - Sachiko Iseki
- Section of Molecular Craniofacial Embryology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan.
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Ghodke SB, Parkar JN, Deshpande AR, Dandekar PP, Jain RD. Structure–Activity Relationship of Polyester-Based Cationic Polyrotaxane Vector-Mediated In Vitro siRNA Delivery: Effect on Gene Silencing Efficiency. ACS APPLIED BIO MATERIALS 2020; 3:7500-7514. [DOI: 10.1021/acsabm.0c00717] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sharwari B. Ghodke
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Junaid N. Parkar
- Department of Polymer & Surface Engineering, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Aparna R. Deshpande
- Department of Physics and Center for Energy Science, h cross, Indian Institute of Science Education Research, Pune 411008, India
| | - Prajakta P. Dandekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Ratnesh D. Jain
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400019, India
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43
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Gao M, Lu H, Song R, Ye L, Zhang A, Feng Z. Synthesis and Characterization of Polyrotaxanes Comprising γ‐CDs and Distal Azide‐Terminated PHEMA Using Propargylamine Monosubstituted β‐CDs as End Stoppers. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Ming Gao
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Hang Lu
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Rong‐Hao Song
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Lin Ye
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Ai‐Ying Zhang
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
| | - Zeng‐Guo Feng
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications School of Materials Science and Engineering Beijing Institute of Technology Beijing 100081 China
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44
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Kost B, Brzeziński M, Socka M, Baśko M, Biela T. Biocompatible Polymers Combined with Cyclodextrins: Fascinating Materials for Drug Delivery Applications. Molecules 2020; 25:E3404. [PMID: 32731371 PMCID: PMC7435941 DOI: 10.3390/molecules25153404] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 12/12/2022] Open
Abstract
Cyclodextrins (CD) are a group of cyclic oligosaccharides with a cavity/specific structure that enables to form inclusion complexes (IC) with a variety of molecules through non-covalent host-guest interactions. By an elegant combination of CD with biocompatible, synthetic and natural polymers, different types of universal drug delivery systems with dynamic/reversible properties have been generated. This review presents the design of nano- and micro-carriers, hydrogels, and fibres based on the polymer/CD supramolecular systems highlighting their possible biomedical applications. Application of the most prominent hydrophobic aliphatic polyesters that exhibit biodegradability, represented by polylactide and polycaprolactone, is described first. Subsequently, particular attention is focused on materials obtained from hydrophilic polyethylene oxide. Moreover, examples are also presented for grafting of CD on polysaccharides. In summary, we show the application of host-guest interactions in multi-component functional biomaterials for controlled drug delivery.
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Affiliation(s)
- Bartłomiej Kost
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (M.S.); (M.B.); (T.B.)
| | - Marek Brzeziński
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (M.S.); (M.B.); (T.B.)
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45
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Lee M, Gibson HW. Supramolecular Four-Armed Star A2B2 Copolymer (Miktoarm Star) via Host–Guest Complexation and Nitroxide-Mediated Radical Polymerization. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02511] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Minjae Lee
- Department of Chemistry, Virginia Polytechnic Institute & State University, Blacksburg, Virginia 24061, United States
- Department of Chemistry, Kunsan National University, Gunsan 54150, South Korea
| | - Harry W. Gibson
- Department of Chemistry, Virginia Polytechnic Institute & State University, Blacksburg, Virginia 24061, United States
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46
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Takata T. Switchable Polymer Materials Controlled by Rotaxane Macromolecular Switches. ACS CENTRAL SCIENCE 2020; 6:129-143. [PMID: 32123731 PMCID: PMC7047276 DOI: 10.1021/acscentsci.0c00002] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Indexed: 05/31/2023]
Abstract
The synthesis and dynamic nature of macromolecular systems controlled by rotaxane macromolecular switches are introduced to discuss the significance of rotaxane linking of polymer chains and its topological switching. Macromolecular switches have been synthesized from macromolecular [2]rotaxanes (M2Rs) using sec-ammonium salt/crown ether couples. The successful synthesis of M2Rs possessing a single polymer axle and one crown ether wheel, constituting a key component of the macromolecular switch, has allowed us to develop various unique applications such as the development of topology-transformable polymers. Polymer topological transformations (e.g., linear-star and linear-cyclic) are achieved using rotaxane-linked polymers and rotaxane macromolecular switches. The pronounced dynamic nature of these polymer systems is sufficiently interesting to design sophisticated stimuli-responsive molecules, polymers, and materials.
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Affiliation(s)
- Toshikazu Takata
- School of Materials and Chemical
Technology, Tokyo Institute of Technology, Nagatsuta-cho, Yokohama 226-8503, Japan
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47
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Bak HØ, Nielsen BE, Petersen MÅ, Jeppesen A, Brock-Nannestad T, Nielsen CBO, Pittelkow M. Thermal stabilisation of squaraine dyes by encapsulation in a rotaxane. NEW J CHEM 2020. [DOI: 10.1039/d0nj03218b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Encapsulation of a squaraine dye in a rotaxane structure renders the dye that normally start decomposing at 100 °C stable above 250 °C. This thermal stabilisation makes new applications possible, and we demonstrate how the squaraine rotaxane can mediate laser welding of polyethylene.
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Affiliation(s)
- Helle Ø. Bak
- Department of Chemistry
- University of Copenhagen
- Copenhagen Ø
- Denmark
| | | | | | - Anne Jeppesen
- Department of Chemistry
- University of Copenhagen
- Copenhagen Ø
- Denmark
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Dal Poggetto G, Troise SS, Conte C, Marchetti R, Moret F, Iadonisi A, Silipo A, Lanzetta R, Malinconico M, Quaglia F, Laurienzo P. Nanoparticles decorated with folate based on a site-selective αCD-rotaxanated PEG-b-PCL copolymer for targeted cancer therapy. Polym Chem 2020. [DOI: 10.1039/d0py00158a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NPs fabricated from a mixture of PEG-b-PCL and selectively rotaxanated Fol-PEG(αCD)-PCL showed internalisation in KB cells through an active targeting mechanism.
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Affiliation(s)
| | | | - Claudia Conte
- Drug Delivery Laboratory
- Department of Pharmacy
- University of Napoli Federico II
- 80131 Napoli
- Italy
| | - Roberta Marchetti
- Department of Chemical Sciences
- University of Naples Federico II
- I-80126 Napoli
- Italy
| | | | - Alfonso Iadonisi
- Department of Chemical Sciences
- University of Naples Federico II
- I-80126 Napoli
- Italy
| | - Alba Silipo
- Department of Chemical Sciences
- University of Naples Federico II
- I-80126 Napoli
- Italy
| | - Rosa Lanzetta
- Department of Chemical Sciences
- University of Naples Federico II
- I-80126 Napoli
- Italy
| | - Mario Malinconico
- Institute for Polymers
- Composites and Biomaterials
- CNR
- 80078 Pozzuoli
- Italy
| | - Fabiana Quaglia
- Drug Delivery Laboratory
- Department of Pharmacy
- University of Napoli Federico II
- 80131 Napoli
- Italy
| | - Paola Laurienzo
- Institute for Polymers
- Composites and Biomaterials
- CNR
- 80078 Pozzuoli
- Italy
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Domiński A, Konieczny T, Kurcok P. α-Cyclodextrin-Based Polypseudorotaxane Hydrogels. MATERIALS (BASEL, SWITZERLAND) 2019; 13:E133. [PMID: 31905603 PMCID: PMC6982288 DOI: 10.3390/ma13010133] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 12/26/2022]
Abstract
Supramolecular hydrogels that are based on inclusion complexes between α-cyclodextrin and (co)polymers have gained significant attention over the last decade. They are formed via dynamic noncovalent bonds, such as host-guest interactions and hydrogen bonds, between various building blocks. In contrast to typical chemical crosslinking (covalent linkages), supramolecular crosslinking is a type of physical interaction that is characterized by great flexibility and it can be used with ease to create a variety of "smart" hydrogels. Supramolecular hydrogels based on the self-assembly of polypseudorotaxanes formed by a polymer chain "guest" and α-cyclodextrin "host" are promising materials for a wide range of applications. α-cyclodextrin-based polypseudorotaxane hydrogels are an attractive platform for engineering novel functional materials due to their excellent biocompatibility, thixotropic nature, and reversible and stimuli-responsiveness properties. The aim of this review is to provide an overview of the current progress in the chemistry and methods of designing and creating α-cyclodextrin-based supramolecular polypseudorotaxane hydrogels. In the described systems, the guests are (co)polymer chains with various architectures or polymeric nanoparticles. The potential applications of such supramolecular hydrogels are also described.
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Affiliation(s)
| | | | - Piotr Kurcok
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowskiej St., 41-819 Zabrze, Poland; (A.D.); (T.K.)
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Qi LH, Ding JD, Ma XQ, Guan XW, Zhu W, Yao H, Zhang YM, Wei TB, Lin Q. An azine-containing bispillar[5]arene-based multi-stimuli responsive supramolecular pseudopolyrotaxane gel for effective adsorption of rhodamine B. SOFT MATTER 2019; 15:6836-6841. [PMID: 31402364 DOI: 10.1039/c9sm01126a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
An azine-containing bispillar[5]arene was designed and synthesized by the reaction of aldehyde functionalized-pillar[5]arene and hydrazine. Then, a novel bispillar[5]arene-based supramolecular pseudopolyrotaxane has been successfully prepared via host-guest interaction. Interestingly, by taking advantage of the host-guest interactions, π-π stacking interactions and hydrogen bonding interactions, the multi-stimuli-responsive gel-sol phase transitions of such a supramolecular pseudopolyrotaxane gel were successfully realized under different stimuli, such as acid, temperature, concentration, and competitive guests. Moreover, this supramolecular system could effectively adsorb dye molecule rhodamine B. It is worth noting that this supramolecular pseudopolyrotaxane gel prepared in cyclohexanol solution (BP5·G·C) could be used as an adsorbent material for adsorbing rhodamine B with adsorption efficiency of 98.4%. Meanwhile, the adsorption efficiency was 97.6% for supramolecular pseudopolyrotaxane gel prepared in DMSO-H2O (v : v, 8 : 2) binary solution (BP5·G·D), also indicating the superior adsorption effect of BP5·G·D toward the dye molecule rhodamine B.
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Affiliation(s)
- Li-Hua Qi
- Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China.
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