151
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Sivakumar PM, Peimanfard S, Zarrabi A, Khosravi A, Islami M. Cyclodextrin-Based Nanosystems as Drug Carriers for Cancer Therapy. Anticancer Agents Med Chem 2019; 20:1327-1339. [PMID: 31490765 DOI: 10.2174/1871520619666190906160359] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 07/01/2019] [Accepted: 07/17/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND OBJECTIVE Cyclodextrins have been of great interest as excellent candidates for fabricating versatile nano-drug delivery systems due to their commercial availability, easy functionalization, low immunogenicity, biocompatibility and safety. The possibility of reversible inclusion complex formation between cyclodextrins and various guest molecules in association with versatile exclusive properties of cyclodextrins offer a route towards the fabrication of highly sophisticated nanostructures with enormous potential for cancer treatment. METHODS AND RESULTS The current review discusses important recent advances in the fabrication and development of cyclodextrin-based nanostructures for cancer therapy. Firstly, the formation of inclusion complexes between cyclodextrin derivatives and anticancer compounds, as well as their application, are summarized. Secondly, the cyclodextrins -based nanosystems including cyclodextrin-containing polymers, cyclodextrin-based supramolecular necklaces, which consist of polyrotaxanes and polypseudorotaxanes and cyclodextrin based hydrogels accompanied by their applications in cancer treatment are highlighted. In the end, the future perspective of this field is discussed. CONCLUSION Numerous investigations in this area pave the way for the flourishing of the next generation of nano-therapeutics towards enhanced cancer therapy.
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Affiliation(s)
- Ponnurengam M Sivakumar
- Center for Molecular Biology, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam
| | - Shohreh Peimanfard
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research & Application Center (SUNUM), Orta Mh. Üniversite Cd. No: 27/1
- 34956 Tuzla, Istanbul, Turkey
| | - Arezoo Khosravi
- Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Isfahan, Iran
| | - Matin Islami
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran
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152
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Seong YJ, Lin G, Kim BJ, Kim HE, Kim S, Jeong SH. Hyaluronic Acid-Based Hybrid Hydrogel Microspheres with Enhanced Structural Stability and High Injectability. ACS OMEGA 2019; 4:13834-13844. [PMID: 31497700 PMCID: PMC6714525 DOI: 10.1021/acsomega.9b01475] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 07/26/2019] [Indexed: 05/09/2023]
Abstract
For hydrogel injection applications, it is important to improve the strength and biostability of the hydrogel as well as its injectability to pass easily through the needle. Making gel microspheres is one approach to achieve these improvements. Granulization of a bulk hydrogel is a common procedure used to form microsized particles; however, the nonuniform size and shape cause an uneven force during injection, damaging the surrounding tissue and causing pain to the patients. In this study, injectable hyaluronic acid (HA)-based hybrid hydrogel microspheres were fabricated using a water-in-oil emulsion process. The injectability was significantly enhanced because of the relatively uniform size and spherical shape of the hydrogel formulates. In addition, the biostability and mechanical strength were also increased owing to the increased cross-linking density compared with that of conventionally fabricated gel microparticles. This tendency was further improved after in situ calcium phosphate precipitation. Our findings demonstrate the great potential of HA-based hydrogel microspheres for various clinical demands requiring injectable biomaterials.
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Affiliation(s)
- Yun-Jeong Seong
- Department
of Materials Science and Engineering, Seoul
National University, Seoul 08826, Republic of Korea
| | - Guang Lin
- Department
of Reconstructive and Plastic Surgery, Seoul
National University Hospital, Seoul 03080, Republic
of Korea
| | - Byung Jun Kim
- Department
of Reconstructive and Plastic Surgery, Seoul
National University Hospital, Seoul 03080, Republic
of Korea
| | - Hyoun-Ee Kim
- Department
of Materials Science and Engineering, Seoul
National University, Seoul 08826, Republic of Korea
- Biomedical
Implant Convergence Research Center, Advanced
Institutes of Convergence
Technology, Suwon 16229, Republic of Korea
| | - Sukwha Kim
- Department
of Reconstructive and Plastic Surgery, Seoul
National University Hospital, Seoul 03080, Republic
of Korea
- E-mail: . Phone: +82 2 2072 3530. Fax: +82 2 3675 3680 (S.K.)
| | - Seol-Ha Jeong
- Department
of Materials Science and Engineering, Seoul
National University, Seoul 08826, Republic of Korea
- E-mail: . Phone: +82
2 880 8320. Fax: +82 2 884 1413 (S.-H.J.)
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153
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Kwon MY, Wang C, Galarraga JH, Puré E, Han L, Burdick JA. Influence of hyaluronic acid modification on CD44 binding towards the design of hydrogel biomaterials. Biomaterials 2019; 222:119451. [PMID: 31480001 DOI: 10.1016/j.biomaterials.2019.119451] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 12/27/2022]
Abstract
Hyaluronic acid (HA) is a linear polysaccharide of d-glucuronic acid and N-acetyl-d-glucosamine that is native to many tissues and interacts with cells via cell-surface receptors (e.g., CD44). HA has been extensively explored as a chemically-modified macromer for crosslinking into biomaterials, such as hydrogels and macroporous scaffolds. However, the influence of the extent and type of HA modification on its binding to CD44 is not well understood or quantified. To address this, we modified HA at either the carboxylic acid or the primary alcohol with various chemical groups (e.g., norbornenes, methacrylates) and magnitudes (~10, 20, or 40% of disaccharides) and then characterized binding in both soluble and hydrogel forms. HA binding to CD44 immobilized on plates or presented by cells was influenced by the extent and type of its modification, where increased modification (i.e., ~40%) generally decreased binding. The adhesion of CD44-modified beads to hydrogels as measured by atomic force microscopy revealed a similar trend, particularly with decreased adhesion with hydrophobic modifications to the carboxylic acid. Further, the chondrogenesis of mesenchymal stromal cells when encapsulated in hydrogels fabricated from modified HA macromers was reduced at high modification, behaving similarly to inert hydrogel controls. This work suggests that the types and extents of modification of polysaccharides are important factors that should be considered in preserving their biological function when processed as hydrogels.
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Affiliation(s)
- Mi Y Kwon
- Department of Bioengineering. University of Pennsylvania, 210 S. 33rd St, Philadelphia PA, 19104, USA
| | - Chao Wang
- School of Biomedical Engineering, Science and Health Systems, Drexel University Philadelphia, PA 19104, USA
| | - Jonathan H Galarraga
- Department of Bioengineering. University of Pennsylvania, 210 S. 33rd St, Philadelphia PA, 19104, USA
| | - Ellen Puré
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, 19104, USA
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University Philadelphia, PA 19104, USA
| | - Jason A Burdick
- Department of Bioengineering. University of Pennsylvania, 210 S. 33rd St, Philadelphia PA, 19104, USA.
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154
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Talebian S, Mehrali M, Taebnia N, Pennisi CP, Kadumudi FB, Foroughi J, Hasany M, Nikkhah M, Akbari M, Orive G, Dolatshahi‐Pirouz A. Self-Healing Hydrogels: The Next Paradigm Shift in Tissue Engineering? ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1801664. [PMID: 31453048 PMCID: PMC6702654 DOI: 10.1002/advs.201801664] [Citation(s) in RCA: 241] [Impact Index Per Article: 48.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 03/04/2019] [Indexed: 05/18/2023]
Abstract
Given their durability and long-term stability, self-healable hydrogels have, in the past few years, emerged as promising replacements for the many brittle hydrogels currently being used in preclinical or clinical trials. To this end, the incompatibility between hydrogel toughness and rapid self-healing remains unaddressed, and therefore most of the self-healable hydrogels still face serious challenges within the dynamic and mechanically demanding environment of human organs/tissues. Furthermore, depending on the target tissue, the self-healing hydrogels must comply with a wide range of properties including electrical, biological, and mechanical. Notably, the incorporation of nanomaterials into double-network hydrogels is showing great promise as a feasible way to generate self-healable hydrogels with the above-mentioned attributes. Here, the recent progress in the development of multifunctional and self-healable hydrogels for various tissue engineering applications is discussed in detail. Their potential applications within the rapidly expanding areas of bioelectronic hydrogels, cyborganics, and soft robotics are further highlighted.
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Affiliation(s)
- Sepehr Talebian
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityUniversity of WollongongNSW2522Australia
- Illawarra Health and Medical Research InstituteUniversity of WollongongWollongongNSW2522Australia
| | - Mehdi Mehrali
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Nayere Taebnia
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Cristian Pablo Pennisi
- Laboratory for Stem Cell ResearchDepartment of Health Science and TechnologyAalborg UniversityFredrik Bajers vej 3B9220AalborgDenmark
| | - Firoz Babu Kadumudi
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Javad Foroughi
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityUniversity of WollongongNSW2522Australia
- Illawarra Health and Medical Research InstituteUniversity of WollongongWollongongNSW2522Australia
| | - Masoud Hasany
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Mehdi Nikkhah
- School of Biological Health and Systems Engineering (SBHSE)Arizona State UniversityTempeAZ85287USA
| | - Mohsen Akbari
- Laboratory for Innovations in MicroEngineering (LiME)Department of Mechanical EngineeringUniversity of VictoriaVictoriaBCV8P 5C2Canada
- Center for Biomedical ResearchUniversity of Victoria3800VictoriaCanada
- Center for Advanced Materials and Related TechnologiesUniversity of Victoria3800VictoriaCanada
| | - Gorka Orive
- NanoBioCel GroupLaboratory of PharmaceuticsSchool of PharmacyUniversity of the Basque Country UPV/EHUPaseo de la Universidad 701006Vitoria‐GasteizSpain
- Biomedical Research Networking Centre in BioengineeringBiomaterials, and Nanomedicine (CIBER‐BBN)Vitoria‐Gasteiz28029Spain
- University Institute for Regenerative Medicine and Oral Implantology – UIRMI (UPV/EHU‐Fundación Eduardo Anitua)Vitoria01007Spain
- BTI Biotechnology InstituteVitoria01007Spain
| | - Alireza Dolatshahi‐Pirouz
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
- Department of Dentistry‐Regenerative BiomaterialsRadboud University Medical CenterPhilips van Leydenlaan 25Nijmegen6525EXThe Netherlands
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155
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Pupkaite J, Rosenquist J, Hilborn J, Samanta A. Injectable Shape-Holding Collagen Hydrogel for Cell Encapsulation and Delivery Cross-linked Using Thiol-Michael Addition Click Reaction. Biomacromolecules 2019; 20:3475-3484. [DOI: 10.1021/acs.biomac.9b00769] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Justina Pupkaite
- Polymer Chemistry, Department of Chemistry—Ångström Laboratory, Uppsala University, Box 538, 751 21 Uppsala, Sweden
- Division of Cell Biology, Department of Clinical and Experimental Medicine, Linköping University, Linköping 582 25, Sweden
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa K1H 8M5, Ontario, Canada
| | - Jenny Rosenquist
- Polymer Chemistry, Department of Chemistry—Ångström Laboratory, Uppsala University, Box 538, 751 21 Uppsala, Sweden
| | - Jöns Hilborn
- Polymer Chemistry, Department of Chemistry—Ångström Laboratory, Uppsala University, Box 538, 751 21 Uppsala, Sweden
| | - Ayan Samanta
- Polymer Chemistry, Department of Chemistry—Ångström Laboratory, Uppsala University, Box 538, 751 21 Uppsala, Sweden
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156
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Trombino S, Servidio C, Curcio F, Cassano R. Strategies for Hyaluronic Acid-Based Hydrogel Design in Drug Delivery. Pharmaceutics 2019; 11:E407. [PMID: 31408954 PMCID: PMC6722772 DOI: 10.3390/pharmaceutics11080407] [Citation(s) in RCA: 158] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 07/31/2019] [Accepted: 08/05/2019] [Indexed: 12/13/2022] Open
Abstract
Hyaluronic acid (HA) is a natural, linear, endogenous polysaccharide that plays important physiological and biological roles in the human body. Nowadays, among biopolymers, HA is emerging as an appealing starting material for hydrogels design due to its biocompatibility, native biofunctionality, biodegradability, non-immunogenicity, and versatility. Since HA is not able to form gels alone, chemical modifications, covalent crosslinking, and gelling agents are always needed in order to obtain HA-based hydrogels. Therefore, in the last decade, different strategies for the design of physical and chemical HA hydrogels have been developed, such as click chemistry reactions, enzymatic and disulfide crosslinking, supramolecular assembly via inclusion complexation, and so on. HA-based hydrogels turn out to be versatile platforms, ranging from static to smart and stimuli-responsive systems, and for these reasons, they are widely investigated for biomedical applications like drug delivery, tissue engineering, regenerative medicine, cell therapy, and diagnostics. Furthermore, the overexpression of HA receptors on various tumor cells makes these platforms promising drug delivery systems for targeted cancer therapy. The aim of the present review is to highlight and discuss recent advances made in the last years on the design of chemical and physical HA-based hydrogels and their application for biomedical purposes, in particular, drug delivery. Notable attention is given to HA hydrogel-based drug delivery systems for targeted therapy of cancer and osteoarthritis.
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Affiliation(s)
- Sonia Trombino
- Department of Pharmacy, Health and Nutritional Science, University of Calabria, Arcavacata, 87036 Rende, Italy
| | - Camilla Servidio
- Department of Pharmacy, Health and Nutritional Science, University of Calabria, Arcavacata, 87036 Rende, Italy
| | - Federica Curcio
- Department of Pharmacy, Health and Nutritional Science, University of Calabria, Arcavacata, 87036 Rende, Italy
| | - Roberta Cassano
- Department of Pharmacy, Health and Nutritional Science, University of Calabria, Arcavacata, 87036 Rende, Italy.
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157
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Abstract
In the last few decades, hyaluronic acid (HA) has become increasingly employed as a biomaterial in both clinical and research applications. The abundance of HA in many tissues, together with its amenability to chemical modification, has made HA an attractive material platform for a wide range of applications including regenerative medicine, drug delivery, and scaffolds for cell culture. HA has traditionally been appreciated to modulate tissue mechanics and remodeling through its distinctive biophysical properties and ability to organize other matrix proteins. However, HA can influence cell behavior in much more direct and specific ways by engaging cellular HA receptors, which can trigger signals that influence cell survival, proliferation, adhesion, and migration. In turn, cells modify HA by regulating synthesis and degradation through a dedicated arsenal of enzymes. Optimal design of HA-based biomaterials demands full consideration of these diverse modes of regulation. This review summarizes how HA-based signaling regulates cell behavior and discusses how these signals can be leveraged to create cell-instructive biomaterials.
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Affiliation(s)
- Kayla J. Wolf
- University of California, Berkeley – University of California, San Francisco Graduate Program in Bioengineering, Berkeley, California, 94720, USA
- Department of Bioengineering, University of California, Berkeley, Berkeley, California, 94720, USA
| | - Sanjay Kumar
- University of California, Berkeley – University of California, San Francisco Graduate Program in Bioengineering, Berkeley, California, 94720, USA
- Department of Bioengineering, University of California, Berkeley, Berkeley, California, 94720, USA
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California, 94720, USA
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158
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Cross-linking of hyaluronic acid by curcumin analogue to construct nanomicelles for delivering anticancer drug. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111079] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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159
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Loebel C, Mauck RL, Burdick JA. Local nascent protein deposition and remodelling guide mesenchymal stromal cell mechanosensing and fate in three-dimensional hydrogels. NATURE MATERIALS 2019; 18:883-891. [PMID: 30886401 PMCID: PMC6650309 DOI: 10.1038/s41563-019-0307-6] [Citation(s) in RCA: 232] [Impact Index Per Article: 46.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 02/04/2019] [Indexed: 05/17/2023]
Abstract
Hydrogels serve as valuable tools for studying cell-extracellular matrix interactions in three-dimensional environments that recapitulate aspects of native extracellular matrix. However, the impact of early protein deposition on cell behaviour within hydrogels has largely been overlooked. Using a bio-orthogonal labelling technique, we visualized nascent proteins within a day of culture across a range of hydrogels. In two engineered hydrogels of interest in three-dimensional mechanobiology studies-proteolytically degradable covalently crosslinked hyaluronic acid and dynamic viscoelastic hyaluronic acid hydrogels-mesenchymal stromal cell spreading, YAP/TAZ nuclear translocation and osteogenic differentiation were observed with culture. However, inhibition of cellular adhesion to nascent proteins or reduction in nascent protein remodelling reduced mesenchymal stromal cell spreading and nuclear translocation of YAP/TAZ, resulting in a shift towards adipogenic differentiation. Our findings emphasize the role of nascent proteins in the cellular perception of engineered materials and have implications for in vitro cell signalling studies and application to tissue repair.
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Affiliation(s)
- Claudia Loebel
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Translational Musculoskeletal Research Center, Philadelphia VA Medical Center, Philadelphia, PA, USA
| | - Robert L Mauck
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Translational Musculoskeletal Research Center, Philadelphia VA Medical Center, Philadelphia, PA, USA
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.
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160
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Liu C, Ruan C, Shi R, Jiang BP, Ji S, Shen XC. A near infrared-modulated thermosensitive hydrogel for stabilization of indocyanine green and combinatorial anticancer phototherapy. Biomater Sci 2019; 7:1705-1715. [PMID: 30758351 DOI: 10.1039/c8bm01541d] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Indocyanine green (ICG), a multifunctional near-infrared (NIR) imaging agent approved by the FDA, has been extensively used in clinical cancer theranosis, but limited by its inherent instability, short plasma half-life and lack of targeting ability. Herein, an in situ formed photothermal network based thermosensitive hydrogel (PNT-gel) constructed by using supramolecular cross-linking conjugated polymers was developed for the stabilization of ICG and efficient combinatorial photothermal/photodynamic antitumor therapy. While the conjugated polymeric backbone in PNT-gel anchored the aromatic phototherapeutic agent ICG via π-π stacking interactions to avoid premature leakage, it also directly converted low-dose NIR light to induce localized hyperthermia to enhance the photothermal effect. The PNT-gel shows a reversible gel-to-sol upper critical solution temperature (UCST) that is slightly above body temperature. Therefore, the controlled release of ICG was switched on or off by NIR via photothermal-induced gel-sol transition. In vitro and in vivo antitumor experiments demonstrated that ICG loaded PNT-gel not only efficiently induced the killing of 4T1 cancer cells, but also achieved almost complete eradication of 4T1 cells by one-dose intratumoral injection in combinatorial photothermal/photodynamic therapy under irradiation of a low-dose 808 nm laser (0.14 W cm-2). Additionally, the combinational therapy proved to enhance the effectiveness of photodestruction without tumor recurrence compared with photothermal therapy (PTT) or photodynamic therapy (PDT) treatment alone.
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Affiliation(s)
- Chanjuan Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541001, China.
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161
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Wei K, Chen X, Zhao P, Feng Q, Yang B, Li R, Zhang ZY, Bian L. Stretchable and Bioadhesive Supramolecular Hydrogels Activated by a One-Stone-Two-Bird Postgelation Functionalization Method. ACS APPLIED MATERIALS & INTERFACES 2019; 11:16328-16335. [PMID: 30964983 DOI: 10.1021/acsami.9b03029] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Resembling soft tissues, stretchable hydrogels are promising biomaterials for many biomedical applications due to their excellent mechanical robustness. However, conventional stretchable hydrogels with a synthetic polymer matrix are usually bioinert. The lack of cell and tissue adhesiveness of such hydrogels limits their applications. An easy but reliable postgelation functionalization method is desirable. Herein, we report the fabrication of stretchable supramolecular hydrogels cross-linked by multivalent host-guest interactions. Such hydrogels containing thiourea ( TU) functionalities can be bioactivated with a catechol-modified peptide (Cat-RGD) via thiourea-catechol ( TU-Cat) coupling reaction. This postgelation bioactivation of the otherwise bioinert hydrogels not only conjugates bioactive ligands for cell attachment but also introduces and preserves the catechol structures for tissue adhesion. This straightforward fabrication and one-stone-two-bird bioactivation of the stretchable hydrogels may find broad applications in developing advanced soft biomaterials for tissue repair, wound dressing, and lesion sealing.
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Affiliation(s)
- Kongchang Wei
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
- Empa , Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5 , CH-9014 St. Gallen , Switzerland
| | - Xiaoyu Chen
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
| | - Pengchao Zhao
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
| | - Qian Feng
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science , Fujian Normal University , Fuzhou 350007 , P. R. China
| | - Boguang Yang
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
| | - Rui Li
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
| | - Zhi-Yong Zhang
- Translational Research Centre of Regenerative Medicine and 3D Printing Technologies of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University , No. 63 Duobao Road , Liwan District, Guangzhou City , Guangdong Province, 510150 , P. R. China
| | - Liming Bian
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin , Hong Kong
- Translational Research Centre of Regenerative Medicine and 3D Printing Technologies of Guangzhou Medical University , The Third Affiliated Hospital of Guangzhou Medical University , Guangzhou , P. R. China
- Shenzhen Research Institute , The Chinese University of Hong Kong , Shenzhen , P. R. China
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162
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Heidarian P, Kouzani AZ, Kaynak A, Paulino M, Nasri-Nasrabadi B. Dynamic Hydrogels and Polymers as Inks for Three-Dimensional Printing. ACS Biomater Sci Eng 2019; 5:2688-2707. [DOI: 10.1021/acsbiomaterials.9b00047] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Pejman Heidarian
- School of Engineering, Deakin University, Geelong, Victoria 3216, Australia
| | - Abbas Z. Kouzani
- School of Engineering, Deakin University, Geelong, Victoria 3216, Australia
| | - Akif Kaynak
- School of Engineering, Deakin University, Geelong, Victoria 3216, Australia
| | - Mariana Paulino
- School of Engineering, Deakin University, Geelong, Victoria 3216, Australia
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163
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Wang Z, An G, Zhu Y, Liu X, Chen Y, Wu H, Wang Y, Shi X, Mao C. 3D-printable self-healing and mechanically reinforced hydrogels with host-guest non-covalent interactions integrated into covalently linked networks. MATERIALS HORIZONS 2019; 6:733-742. [PMID: 31572613 PMCID: PMC6768557 DOI: 10.1039/c8mh01208c] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Natural polymer hydrogels are one of the best biomaterials for soft tissue repair because of their excellent biocompatibility, biodegradability and low immune rejection. However, they lack mechanical strength matching that of natural tissue and desired functionality (e.g. self-healing and 3D-printability). To solve this problem, we developed a host-guest supramolecule (HGSM) with three arms covalently crosslinked with a natural polymer to construct a novel hydrogel with non-covalent bonds integrated in a covalently crosslinked network. The unique structure enabled the hydrogel to bear improved mechanical properties and show both self-healing and 3D printing capabilities. The three-armed HGSM was first prepared via the efficient non-covalent host-guest inclusion interactions between isocyanatoethyl acrylate-modified β-cyclodextrin (β-CD-AOI2) and acryloylated tetra-ethylene glycol-modified adamantane (A-TEG-Ad). Subsequently, a host-guest supramolecular hydrogel (HGGelMA) was obtained through copolymerization between the arms of HGSM and gelatin methacryloyl (GelMA) to form a covalently crosslinked network. The HGGelMA was robust, fatigue resistant, reproducible and rapidly self-healing. In HGGelMA, the covalent crosslinking maintained its overall shape whereas the weak reversible non-covalent host-guest interactions reinforced its mechanical properties and enabled it to rapidly self-heal upon fracturing. The reversible non-covalent interactions could be re-established upon breaking, so as to heal the hydrogel and dissipate energy to prevent catastrophic fracture propagation. Furthermore, the precursors of the HGGelMA were sufficiently viscous and could be rapidly photocrosslinked to produce a robust scaffold with an exquisite internal structure through 3D printing. The 3D-printed HGGelMA hydrogel scaffold was biocompatible, promoted cell adhesion and proliferation, and supported tissue in-growth. Our strategy of integrating non-covalently linked HGSM in a covalently linked hydrogel network represents a new approach to the development of natural polymers into biocompatible hydrogels with improved strength as well as desired self-healing and 3D-printability.
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Affiliation(s)
- Zhifang Wang
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Geng An
- Department of Reproductive Medicine Center, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, P. R. China
| | - Ye Zhu
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, 101 Stephenson Parkway, Norman, OK 73019-5300, United States
| | - Xuemin Liu
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Yunhua Chen
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Hongkai Wu
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, PR China
| | - Yingjun Wang
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Xuetao Shi
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Chuanbin Mao
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, 101 Stephenson Parkway, Norman, OK 73019-5300, United States
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164
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Grijalvo S, Eritja R, Díaz Díaz D. On the Race for More Stretchable and Tough Hydrogels. Gels 2019; 5:E24. [PMID: 31035400 PMCID: PMC6632012 DOI: 10.3390/gels5020024] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 04/17/2019] [Accepted: 04/24/2019] [Indexed: 01/09/2023] Open
Abstract
Hydrogels are tridimensional networks that are able to retain important amounts of water. These soft materials can be obtained through self-assembling processes involving either hydrophilic molecules or polymers, allowing the formation of the corresponding covalently and physically cross-linked networks. Although the applicability of hydrogels in biomedicine has been exponentially growing due to their biocompatibility and different responses to stimuli, these materials have exhibited the particular feature of poor mechanical strength, and consequently, are brittle materials with low deformation. Due to this reason, a race has started to obtain more stretchable and tough hydrogels through different approaches. Within this context, this review article describes the most representative strategies and examples involving synthetic polymers with potential for biomedical applications.
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Affiliation(s)
- Santiago Grijalvo
- Institute for Advanced Chemistry of Catalonia (IQAC, CSIC), Jordi Girona 18-26, E-08034 Barcelona, Spain.
- Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Jordi Girona 18-26, E-08034 Barcelona, Spain.
| | - Ramon Eritja
- Institute for Advanced Chemistry of Catalonia (IQAC, CSIC), Jordi Girona 18-26, E-08034 Barcelona, Spain.
- Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Jordi Girona 18-26, E-08034 Barcelona, Spain.
| | - David Díaz Díaz
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Spain.
- Institut für Organische Chemie, Universität Regensburg, Universitätsstr. 31, 93053 Regensburg, Germany.
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165
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Townsend JM, Beck EC, Gehrke SH, Berkland CJ, Detamore MS. Flow Behavior Prior to Crosslinking: The Need for Precursor Rheology for Placement of Hydrogels in Medical Applications and for 3D Bioprinting. Prog Polym Sci 2019; 91:126-140. [PMID: 31571701 PMCID: PMC6768569 DOI: 10.1016/j.progpolymsci.2019.01.003] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Hydrogels - water swollen cross-linked networks - have demonstrated considerable promise in tissue engineering and regenerative medicine applications. However, ambiguity over which rheological properties are needed to characterize these gels before crosslinking still exists. Most hydrogel research focuses on the performance of the hydrogel construct after implantation, but for clinical practice, and for related applications such as bioinks for 3D bioprinting, the behavior of the pre-gelled state is also critical. Therefore, the goal of this review is to emphasize the need for better rheological characterization of hydrogel precursor formulations, and standardized testing for surgical placement or 3D bioprinting. In particular, we consider engineering paste or putty precursor solutions (i.e., suspensions with a yield stress), and distinguish between these differences to ease the path to clinical translation. The connection between rheology and surgical application as well as how the use of paste and putty nomenclature can help to qualitatively identify material properties are explained. Quantitative rheological properties for defining materials as either pastes or putties are proposed to enable easier adoption to current methods. Specifically, the three-parameter Herschel-Bulkley model is proposed as a suitable model to correlate experimental data and provide a basis for meaningful comparison between different materials. This model combines a yield stress, the critical parameter distinguishing solutions from pastes (100-2000 Pa) and from putties (>2000 Pa), with power law fluid behavior once the yield stress is exceeded. Overall, successful implementation of paste or putty handling properties to the hydrogel precursor may minimize the surgeon-technology learning time and ultimately ease incorporation into current practice. Furthermore, improved understanding and reporting of rheological properties will lead to better theoretical explanations of how materials affect rheological performances, to better predict and design the next generation of biomaterials.
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Affiliation(s)
- Jakob M. Townsend
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA
| | - Emily C. Beck
- Department of Bioengineering, University of Colorado Anschutz Medical Campus, Denver, CO 80045, USA
| | - Stevin H. Gehrke
- Department of Chemical and Petroleum Engineering, University of Kansas, Lawrence, KS 66045, USA
| | - Cory J. Berkland
- Department of Chemical and Petroleum Engineering, University of Kansas, Lawrence, KS 66045, USA
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66045, USA
| | - Michael S. Detamore
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA
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166
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An injectable and self‐healing novel chitosan hydrogel with low adamantane substitution degree. POLYM INT 2019. [DOI: 10.1002/pi.5800] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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167
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Xu Y, Cui M, Patsis PA, Günther M, Yang X, Eckert K, Zhang Y. Reversibly Assembled Electroconductive Hydrogel via a Host-Guest Interaction for 3D Cell Culture. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7715-7724. [PMID: 30714715 DOI: 10.1021/acsami.8b19482] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The study of cells responding to an electroconductive environment is impeded by the lack of a method, which would allow the encapsulation of cells in an extracellular matrix-like 3D electroactive matrix, and more challengingly, permit a simple mechanism to release cells for further characterization. Herein, we report a polysaccharide-based conductive hydrogel system formed via a β-cyclodextrin-adamantane host-guest interaction. Oxidative polymerization of 3,4-ethylenedioxythiophene (EDOT) in the presence of adamantyl-modified sulfated alginate (S-Alg-Ad) results in bio-electroconductive polymer PEDOT:S-Alg-Ad, which can form hydrogel with poly-β-cyclodextrin (Pβ-CD). The PEDOT:S-Alg-Ad/Pβ-CD hydrogels can be tuned on aspects of mechanical and electrical properties, exhibit self-healing feature, and are injectable. Electron microscopy suggested that the difference in stiffness and conductivity is associated with the nacre-like layered nanostructures when different sizes of PEDOT:S-Alg-Ad nanoparticles were used. Myoblast C2C12 cells were encapsulated in the conductive hydrogel and exhibited proliferation rate comparable to that in nonconductive S-Alg-Ad/Pβ-CD hydrogel. The cells could be released from the hydrogels by adding the β-CD monomer. Astonishingly, the conductive hydrogel can dramatically promote myotube-like structure formation, which is not in the non-electroconductive hydrogel. The ability to embed and release cells in an electroconductive environment will open new doors for cell culture and tissue engineering.
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Affiliation(s)
- Yong Xu
- B CUBE Center for Molecular Bioengineering , Technische Universität Dresden , 01307 Dresden , Germany
| | - Meiying Cui
- B CUBE Center for Molecular Bioengineering , Technische Universität Dresden , 01307 Dresden , Germany
| | - Panagiotis A Patsis
- B CUBE Center for Molecular Bioengineering , Technische Universität Dresden , 01307 Dresden , Germany
| | - Markus Günther
- Department of Biology, Institute of Botany, Faculty of Science , Technische Universität Dresden , 01062 Dresden , Germany
| | - Xuegeng Yang
- Institute of Fluid Dynamics , Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , 01328 Dresden , Germany
| | - Kerstin Eckert
- Institute of Fluid Dynamics , Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , 01328 Dresden , Germany
| | - Yixin Zhang
- B CUBE Center for Molecular Bioengineering , Technische Universität Dresden , 01307 Dresden , Germany
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168
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Khan S, Akhtar N, Minhas MU, Badshah SF. pH/Thermo-Dual Responsive Tunable In Situ Cross-Linkable Depot Injectable Hydrogels Based on Poly(N-Isopropylacrylamide)/Carboxymethyl Chitosan with Potential of Controlled Localized and Systemic Drug Delivery. AAPS PharmSciTech 2019; 20:119. [PMID: 30790143 DOI: 10.1208/s12249-019-1328-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 02/01/2019] [Indexed: 01/18/2023] Open
Abstract
In the current study, cytocompatible in situ cross-linkable pH/thermo-dual responsive injectable hydrogels were prepared based on poly(N-isopropylacrylamide) and carboxymethyl chitosan, i.e., poly(CMCS-g-NIPAAm). The prepared formulations were aimed to be used as drug depot of 5-fluorouracil (5-FU) after subcutaneous administration in vivo. The phase transition from sol-gel state under physiologic temperature range was analyzed and confirmed by tube titling and optical transmittance measurements. The viscoelastic properties of gel formulations were confirmed by rheology determination via time sweep, temperature, and continuous ramp test. Oscillatory swelling cycles confirmed temperature effect and structural changes. pH and temperature sensitivity of dual responsive gels were analyzed at different pH and temperature programs. In vitro drug release profile displayed that developed formulations have the highest release in acidic pH at 25°C. The safety of blank gel formulations was evaluated against L929 cell lines via MTT assay and confirmed cytocompatibility with no detectable toxicity. In vitro cytotoxic potential of drug-loaded gels against HeLa and MCF-7 cancer cell lines confirmed that 5-FU has controlled cytotoxic potential in depot form in comparison to free 5-FU solution. The IC50 values for free 5-FU (21 ± 05 μg/ml and 18 ± 66 μg/ml) were found higher in comparison to the loaded form. The copolymer structure formation was confirmed by NMR and FTIR spectroscopic analysis. TG and DSC analysis proved the thermal stability and phase transition temperatures of pure and copolymer samples, while SEM analysis showed the porous nature of in situ formed hydrogels. It was concluded from the results that the developed formulations have pH/temperature sensitivity with potential of systemic and intratumoral controlled drug delivery properties.
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169
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Zou L, Braegelman AS, Webber MJ. Dynamic Supramolecular Hydrogels Spanning an Unprecedented Range of Host-Guest Affinity. ACS APPLIED MATERIALS & INTERFACES 2019; 11:5695-5700. [PMID: 30707553 DOI: 10.1021/acsami.8b22151] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Cucurbit[7]uril (CB[7]) macrocycles exhibit a broad range of host-guest binding affinity. Attaching pendant CB[7] and complementary guests on 8-arm PEG macromers affords supramolecular hydrogels with cross-link affinity spanning more than 5 orders of magnitude (1.5 × 107 to 5.4 × 1012 M-1) without changing network topology. Cross-link affinity translates directly to bulk dynamic properties; hydrogels with high-affinity cross-linking behave like covalent gels with limited ability to relax or self-heal. Cross-link affinity furthermore dictates the release rate of encapsulated macromolecules, as well as cell infiltration and material clearance in vivo. This work thus informs a role for affinity in dictating supramolecular hydrogel properties by quantifying and isolating this feature over an unprecedented range.
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Affiliation(s)
- Lei Zou
- Department of Chemical & Biomolecular Engineering , University of Notre Dame , Notre Dame , Indiana 46556 , United States
| | - Adam S Braegelman
- Department of Chemical & Biomolecular Engineering , University of Notre Dame , Notre Dame , Indiana 46556 , United States
| | - Matthew J Webber
- Department of Chemical & Biomolecular Engineering , University of Notre Dame , Notre Dame , Indiana 46556 , United States
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170
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Huynh V, Jesmer AH, Shoaib MM, Wylie RG. Influence of Hydrophobic Cross-Linkers on Carboxybetaine Copolymer Stimuli Response and Hydrogel Biological Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:1631-1641. [PMID: 30558419 DOI: 10.1021/acs.langmuir.8b03908] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Poly(carboxybetaine) (pCB) hydrogels do not elicit a foreign body response due to their low-fouling properties, making them ideal implantable materials for in vivo drug and cell delivery. Current reported pCB hydrogels are cross-linked using cytotoxic UV-initiated radical polymerization limiting clinical and in vivo translation. For clinical translation, we require in situ and biorthogonal cross-linking of pCB hydrogels that are both low-fouling and low-swelling to limit nonspecific interactions and minimize tissue damage, respectively. To this end, we synthesized carboxybetaine (CB) random copolymers (molecular weight (MW): ∼7-33 kDa; Đ: 1.1-1.36) containing azide (pCB-azide) or strained alkyne (Dibenzocyclooctyne (DBCO); pCB-DBCO) that rapidly cross-link upon mixing. Unlike CB homopolymers and other CB copolymers studied, high DBCO content pCB-DBCO30 (30% DBCO mole fraction) is thermoresponsive with a upper critical solution temperature (UCST; cloud point of ∼20 °C at 50 g/L) in water due to electrostatic associations. Due to the antipolyelectrolyte effect, pCB-DBCO30 is salt-responsive and is soluble even at low temperatures in 5 M NaCl, which prevents zwitterion electrostatic associations. pCB-azide and pCB-DBCO with 0.05 to 0.16 cross-linker mole fractions rapidly formed 10 wt % hydrogels upon mixing that were low-swelling (increase of ∼10% in wet weight) while remaining low-fouling to proteins (∼10-20 μg cm-2) and cells, making them suitable for in vivo applications. pCB-X31 hydrogels composed of pCB-azide32 and pCB-DBCO30 formed opaque gels in water and physiological conditions that shrunk to ∼70% of their original wet weight due to pCB-DBCO30's greater hydrophobicity and interchain electrostatic interactions, which promotes nonspecific protein adsorption (∼35 μg cm-2) and cell binding. Once formed, the electrostatic interactions in pCB-X31 hydrogels are not fully reversible with heat or salt. Although, pCB-X31 hydrogels are transparent when initially prepared in 5 M NaCl. This is the first demonstration of a thermo- and salt-responsive CB copolymer that can tune hydrogel protein and cell fouling properties.
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Affiliation(s)
- Vincent Huynh
- Department of Chemistry and Chemical Biology , McMaster University , Hamilton , Ontario L8S 4M1 , Canada
| | - Alexander H Jesmer
- Department of Chemistry and Chemical Biology , McMaster University , Hamilton , Ontario L8S 4M1 , Canada
| | - Muhammad M Shoaib
- Department of Chemistry and Chemical Biology , McMaster University , Hamilton , Ontario L8S 4M1 , Canada
| | - Ryan G Wylie
- Department of Chemistry and Chemical Biology , McMaster University , Hamilton , Ontario L8S 4M1 , Canada
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171
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Huynh V, Jesmer AH, Shoaib MM, D'Angelo AD, Rullo AF, Wylie RG. Improved Efficacy of Antibody Cancer Immunotherapeutics through Local and Sustained Delivery. Chembiochem 2019; 20:747-753. [DOI: 10.1002/cbic.201800579] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Vincent Huynh
- Department of Chemistry and Chemical BiologyMcMaster University Hamilton Ontario L8S 4M1 Canada
| | - Alexander H. Jesmer
- Department of Chemistry and Chemical BiologyMcMaster University Hamilton Ontario L8S 4M1 Canada
| | - Muhammad M. Shoaib
- Department of Chemistry and Chemical BiologyMcMaster University Hamilton Ontario L8S 4M1 Canada
| | - Anthony D. D'Angelo
- Department of Chemistry and Chemical BiologyMcMaster University Hamilton Ontario L8S 4M1 Canada
| | - Anthony F. Rullo
- Department of Chemistry and Chemical BiologyMcMaster University Hamilton Ontario L8S 4M1 Canada
- McMaster Immunology Research CenterDepartment of Pathology and Molecular MedicineMcMaster University Hamilton Ontario L8S 4M1 Canada
| | - Ryan G. Wylie
- Department of Chemistry and Chemical BiologyMcMaster University Hamilton Ontario L8S 4M1 Canada
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172
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Loebel C, Ayoub A, Galarraga JH, Kossover O, Simaan-Yameen H, Seliktar D, Burdick JA. Tailoring supramolecular guest-host hydrogel viscoelasticity with covalent fibrinogen double networks. J Mater Chem B 2019; 7:1753-1760. [PMID: 32254917 DOI: 10.1039/c8tb02593b] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Supramolecular chemistry has enabled the design of tunable biomaterials that mimic the dynamic and viscoelastic characteristics of the extracellular matrix. However, the noncovalent nature of supramolecular bonds renders them inherently weak, limiting their applicability to many biomedical applications. To address this, we formulated double network (DN) hydrogels through a combination of supramolecular and covalent networks to tailor hydrogel viscoelastic properties. Specifically, DN hydrogels were formed through the combination of supramolecular guest-host (GH) hyaluronic acid (HA) networks with covalent networks from the photocrosslinking of acrylated poly(ethylene glycol) modified fibrinogen (PEG-fibrinogen) and PEG diacrylate. DN hydrogels exhibited higher compressive moduli, increased failure stresses, and increased toughness when compared to purely covalent networks. While GH concentration had little influence on the compressive moduli across DN hydrogels, an increase in the GH concentration resulted in more viscous behavior of DN hydrogels. High viability of encapsulated bovine mesenchymal stromal cells (MSCs) was observed across groups with enhanced spreading and proliferation in DN hydrogels with increased GH concentration. This combination of supramolecular and covalent chemistries enables the formation of dynamic hydrogels with tunable properties that can be customized towards repair of viscoelastic tissues.
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Affiliation(s)
- Claudia Loebel
- Department of Bioengineering, University of Pennsylvania, 210 South 33rd Street, Philadelphia, PA 19104, USA.
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173
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Jin J, Cai L, Jia YG, Liu S, Chen Y, Ren L. Progress in self-healing hydrogels assembled by host–guest interactions: preparation and biomedical applications. J Mater Chem B 2019; 7:1637-1651. [DOI: 10.1039/c8tb02547a] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Preparation and biomedical applications of self-healing hydrogels assembled from hosts of cyclodextrins and cucurbit[n]urils with various guests were reviewed.
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Affiliation(s)
- Jiahong Jin
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology
| | - Lili Cai
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Yong-Guang Jia
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology
| | - Sa Liu
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology
| | - Yunhua Chen
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology
| | - Li Ren
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology
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174
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Teng L, Chen Y, Jia YG, Ren L. Supramolecular and dynamic covalent hydrogel scaffolds: from gelation chemistry to enhanced cell retention and cartilage regeneration. J Mater Chem B 2019; 7:6705-6736. [DOI: 10.1039/c9tb01698h] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This review highlights the most recent progress in gelation strategies of biomedical supramolecular and dynamic covalent crosslinking hydrogels and their applications for enhancing cell retention and cartilage regeneration.
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Affiliation(s)
- Lijing Teng
- School of Medicine
- South China University of Technology
- Guangzhou 510006
- China
- National Engineering Research Center for Tissue Restoration and Reconstruction
| | - Yunhua Chen
- National Engineering Research Center for Tissue Restoration and Reconstruction
- South China University of Technology
- Guangzhou 510006
- China
- School of Materials Science and Engineering
| | - Yong-Guang Jia
- National Engineering Research Center for Tissue Restoration and Reconstruction
- South China University of Technology
- Guangzhou 510006
- China
- School of Materials Science and Engineering
| | - Li Ren
- National Engineering Research Center for Tissue Restoration and Reconstruction
- South China University of Technology
- Guangzhou 510006
- China
- School of Materials Science and Engineering
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175
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Lee HJ, Le PT, Kwon HJ, Park KD. Supramolecular assembly of tetronic–adamantane and poly(β-cyclodextrin) as injectable shear-thinning hydrogels. J Mater Chem B 2019. [DOI: 10.1039/c9tb00072k] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Shear-thinning hydrogels with improved mechanical strength have been developed through host–guest interactions and the thermo-gelling effects of tetronic–adamantane and poly[β-CD] at 37 °C. The fabricated hydrogels showed injectability through a needle with excellent shear-thinning and recovery properties.
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Affiliation(s)
- Hyo Jin Lee
- Department of Molecular Science and Technology
- Ajou University
- Suwon
- Republic of Korea
| | - Phuong Thi Le
- Department of Molecular Science and Technology
- Ajou University
- Suwon
- Republic of Korea
| | - Ho Joon Kwon
- Department of Molecular Science and Technology
- Ajou University
- Suwon
- Republic of Korea
| | - Ki Dong Park
- Department of Molecular Science and Technology
- Ajou University
- Suwon
- Republic of Korea
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176
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Chen MH, Chung JJ, Mealy JE, Zaman S, Li EC, Arisi MF, Atluri P, Burdick JA. Injectable Supramolecular Hydrogel/Microgel Composites for Therapeutic Delivery. Macromol Biosci 2019; 19:e1800248. [PMID: 30259658 PMCID: PMC6396315 DOI: 10.1002/mabi.201800248] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 08/24/2018] [Accepted: 08/27/2018] [Indexed: 12/21/2022]
Abstract
Shear-thinning hydrogels are useful for biomedical applications, from 3D bioprinting to injectable biomaterials. Although they have the appropriate properties for injection, it may be advantageous to decouple injectability from the controlled release of encapsulated therapeutics. Toward this, composites of hydrogels and encapsulated microgels are introduced with microgels that are fabricated via microfluidics. The microgel cross-linker controls degradation and entrapped molecule release, and the concentration of microgels alters composite hydrogel rheological properties. For the treatment of myocardial infarction (MI), interleukin-10 (IL-10) is encapsulated in microgels and released from composites. In a rat model of MI, composites with IL-10 reduce macrophage density after 1 week and improve scar thickness, ejection fraction, cardiac output, and the size of vascular structures after 4 weeks when compared to saline injection. Improvements are also observed with the composite without IL-10 over saline, emphasizing the role of injectable hydrogels alone on tissue repair.
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Affiliation(s)
- Minna H. Chen
- Department of Bioengineering, University of Pennsylvania, 210 S 33 St, Philadelphia, Pennsylvania, 19104, USA
| | - Jennifer J. Chung
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Silverstein 6, 3400 Spruce St, Philadelphia, Pennsylvania, 19104, USA
| | - Joshua E. Mealy
- Department of Bioengineering, University of Pennsylvania, 210 S 33 St, Philadelphia, Pennsylvania, 19104, USA
| | - Samir Zaman
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Silverstein 6, 3400 Spruce St, Philadelphia, Pennsylvania, 19104, USA
| | - Elizabeth C. Li
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Silverstein 6, 3400 Spruce St, Philadelphia, Pennsylvania, 19104, USA
| | - Maria F. Arisi
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Silverstein 6, 3400 Spruce St, Philadelphia, Pennsylvania, 19104, USA
| | - Pavan Atluri
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Silverstein 6, 3400 Spruce St, Philadelphia, Pennsylvania, 19104, USA
| | - Jason A. Burdick
- Department of Bioengineering, University of Pennsylvania, 210 S 33 St, Philadelphia, Pennsylvania, 19104, USA,
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177
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Hoque J, Sangaj N, Varghese S. Stimuli-Responsive Supramolecular Hydrogels and Their Applications in Regenerative Medicine. Macromol Biosci 2019; 19:e1800259. [PMID: 30295012 PMCID: PMC6333493 DOI: 10.1002/mabi.201800259] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 09/10/2018] [Indexed: 12/16/2022]
Abstract
Supramolecular hydrogels are a class of self-assembled network structures formed via non-covalent interactions of the hydrogelators. These hydrogels capable of responding to external stimuli are considered to be smart materials due to their ability to undergo sol-gel and/or gel-sol transition upon subtle changes in their surroundings. Such stimuli-responsive hydrogels are intriguing biomaterials with applications in tissue engineering, delivery of cells and drugs, modulating tissue environment to promote innate tissue repair, and imaging for medical diagnostics among others. This review summarizes the recent developments in stimuli-responsive supramolecular hydrogels and their potential applications in regenerative medicine. Specifically, various structural aspects of supramolecular hydrogelators involved in self-assembly, the role of external stimuli in tuning/controlling their phase transitions, and how these functions could be harnessed to advance applications in regenerative medicine are focused on. Finally, the key challenges and future prospects for these versatile materials are briefly described.
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Affiliation(s)
- Jiaul Hoque
- Department of Orthopaedic Surgery, Duke University, Durham 27710, NC,
| | - Nivedita Sangaj
- Department of Orthopaedic Surgery, Duke University, Durham 27710, NC
| | - Shyni Varghese
- Department of Orthopaedic Surgery, Department of Biomedical Engineering, Department of Mechanical Engineering and Materials Science, Duke University, Durham 27710, NC
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178
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Zou L, Webber MJ. Reversible hydrogel dynamics by physical–chemical crosslink photoswitching using a supramolecular macrocycle template. Chem Commun (Camb) 2019; 55:9931-9934. [DOI: 10.1039/c9cc04748d] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Host–guest supramolecular hydrogels are prepared from light-responsive guests within a CB[8] cavitand, and the complex catalyzes reversible guest photodimerization.
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Affiliation(s)
- Lei Zou
- Department of Chemical & Biomolecular Engineering
- University of Notre Dame
- Notre Dame
- USA
| | - Matthew J. Webber
- Department of Chemical & Biomolecular Engineering
- University of Notre Dame
- Notre Dame
- USA
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179
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Thambi T, Giang Phan VH, Kim SH, Duy Le TM, Duong HTT, Lee DS. Smart injectable biogels based on hyaluronic acid bioconjugates finely substituted with poly(β-amino ester urethane) for cancer therapy. Biomater Sci 2019; 7:5424-5437. [DOI: 10.1039/c9bm01161g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In situ-forming injectable biogels (IBGs) have been developed for the programmed delivery of potent chemotherapeutic drugs.
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Affiliation(s)
- Thavasyappan Thambi
- School of Chemical Engineering
- Theranostic Macromolecules Research Center
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
| | - V. H. Giang Phan
- Biomaterials and Nanotechnology Research Group
- Faculty of Applied Sciences
- Ton Duc Thang University
- Ho Chi Minh City 70000
- Vietnam
| | - Seong Han Kim
- School of Chemical Engineering
- Theranostic Macromolecules Research Center
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
| | - Thai Minh Duy Le
- School of Chemical Engineering
- Theranostic Macromolecules Research Center
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
| | - Huu Thuy Trang Duong
- School of Chemical Engineering
- Theranostic Macromolecules Research Center
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
| | - Doo Sung Lee
- School of Chemical Engineering
- Theranostic Macromolecules Research Center
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
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180
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Tabet A, Forster RA, Parkins CC, Wu G, Scherman OA. Modulating stiffness with photo-switchable supramolecular hydrogels. Polym Chem 2019. [DOI: 10.1039/c8py01554f] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Supramolecular hyaluronic acid hydrogels formed via 2 : 1 homoternary complexes of coumarin and cucurbit[8]uril can reversibly toggle between physical and covalent states.
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Affiliation(s)
- Anthony Tabet
- Melville Laboratory for Polymer Synthesis
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Rebecca A. Forster
- Melville Laboratory for Polymer Synthesis
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Christopher C. Parkins
- Melville Laboratory for Polymer Synthesis
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Guanglu Wu
- Melville Laboratory for Polymer Synthesis
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Oren A. Scherman
- Melville Laboratory for Polymer Synthesis
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
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181
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Panja A, Das S, Chakraborty A, Chakraborty P, Pal S, Nandi AK. Injectable Hydrogel of Vitamin B 9 for the Controlled Release of Both Hydrophilic and Hydrophobic Anticancer Drugs. ChemMedChem 2018; 13:2427-2436. [PMID: 30222248 DOI: 10.1002/cmdc.201800562] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Indexed: 11/05/2022]
Abstract
Folic acid (FA), vitamin B9 , is a good receptor of drugs triggering cellular uptake via endocytosis. FA is sparingly soluble in water. Herein, a new approach for the formation of FA hydrogel by the hydrolysis of glucono-δ-lactone in PBS buffer under physiological conditions has been reported. The gel has a fibrillar network morphology attributable to intermolecular H-bonding and π-stacking interactions. The thixotropic property of the gel is used for the encapsulation of both hydrophilic [doxorubicin (DOX)] and hydrophobic [camptothecin (CPT)] drugs. The loading of DOX and CPT into the gel is attributed to the H-bonding interaction between FA and drugs. The release of DOX is sustainable at pH 4 and 7, and the Peppas model indicates that at pH 7 the diffusion of the drug is Fickian but it is non-Fickian at pH 4. The release of CPT is monitored by fluorescence spectroscopy, which also corroborates the combined release of both drugs. The metylthiazolyldiphenyltetrazolium bromide assay of FA hydrogel demonstrates nontoxic behavior and that the cytotoxicity of the DOX-loaded FA hydrogel is higher than that of pure DOX, with a minimal effect on normal cells.
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Affiliation(s)
- Aditi Panja
- Polymer Science Unit, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Sujoy Das
- Polymer Science Unit, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Atanu Chakraborty
- Centre for Advanced Materials, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Priyadarshi Chakraborty
- Polymer Science Unit, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Suman Pal
- Centre for Advanced Materials, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Arun K Nandi
- Polymer Science Unit, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
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182
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Gaffey AC, Chen MH, Trubelja A, Venkataraman CM, Chen CW, Chung JJ, Schultz S, Sehgal CM, Burdick JA, Atluri P. Delivery of progenitor cells with injectable shear-thinning hydrogel maintains geometry and normalizes strain to stabilize cardiac function after ischemia. J Thorac Cardiovasc Surg 2018; 157:1479-1490. [PMID: 30579534 DOI: 10.1016/j.jtcvs.2018.07.117] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 07/26/2018] [Accepted: 07/27/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVES The ventricle undergoes adverse remodeling after myocardial infarction, resulting in abnormal biomechanics and decreased function. We hypothesize that tissue-engineered therapy could minimize postischemic remodeling through mechanical stress reduction and retention of tensile myocardial properties due to improved endothelial progenitor cell retention and intrinsic biomechanical properties of the hyaluronic acid shear-thinning gel. METHODS Endothelial progenitor cells were harvested from adult Wistar rats and resuspended in shear-thinning gel. The constructs were injected at the border zone of ischemic rat myocardium in an acute model of myocardial infarction. Myocardial remodeling, tensile properties, and hemodynamic function were analyzed: control (phosphate-buffered saline), endothelial progenitor cells, shear-thinning gel, and shear-thinning gel + endothelial progenitor cells. Novel high-resolution, high-sensitivity ultrasound with speckle tracking allowed for global strain analysis. Uniaxial testing assessed tensile biomechanical properties. RESULTS Shear-thinning gel + endothelial progenitor cell injection significantly increased engraftment and retention of the endothelial progenitor cells within the myocardium compared with endothelial progenitor cells alone. With the use of strain echocardiography, a significant improvement in left ventricular ejection fraction was noted in the shear-thinning gel + endothelial progenitor cell cohort compared with control (69.5% ± 10.8% vs 40.1% ± 4.6%, P = .04). A significant normalization of myocardial longitudinal displacement with subsequent stabilization of myocardial velocity with shear-thinning gel + endothelial progenitor cell therapy compared with control was also evident (0.84 + 0.3 cm/s vs 0.11 ± 0.01 cm/s, P = .03). A significantly positive and higher myocardial strain was observed in shear-thinning gel + endothelial progenitor cell (4.5% ± 0.45%) compared with shear-thinning gel (3.7% ± 0.24%), endothelial progenitor cell (3.5% ± 0.97%), and control (8.6% ± 0.3%, P = .05). A resultant reduction in dynamic stiffness was noted in the shear-thinning gel + endothelial progenitor cell cohort. CONCLUSIONS This novel injectable shear-thinning hyaluronic acid hydrogel demonstrates stabilization of border zone myocardium with reduction in adverse myocardial remodeling and preservation of myocardial biomechanics. The cellular construct provides a normalization of strain measurements and reduces left ventricular dilatation, thus resulting in improvement of left ventricular function.
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Affiliation(s)
- Ann C Gaffey
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa
| | - Minna H Chen
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Alen Trubelja
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa
| | - Chantel M Venkataraman
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa
| | - Carol W Chen
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa
| | - Jennifer J Chung
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa
| | - Susan Schultz
- Department of Radiology, University of Pennsylvania, Philadelphia, Pa
| | - Chandra M Sehgal
- Department of Radiology, University of Pennsylvania, Philadelphia, Pa
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Pavan Atluri
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa.
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183
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Mantooth SM, Munoz-Robles BG, Webber MJ. Dynamic Hydrogels from Host-Guest Supramolecular Interactions. Macromol Biosci 2018; 19:e1800281. [PMID: 30303631 DOI: 10.1002/mabi.201800281] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 09/19/2018] [Indexed: 01/17/2023]
Abstract
Hydrogel biomaterials are pervasive in biomedical use. Applications of these soft materials range from contact lenses to drug depots to scaffolds for transplanted cells. A subset of hydrogels is prepared from physical cross-linking mediated by host-guest interactions. Host macrocycles, the most recognizable supramolecular motif, facilitate complex formation with an array of guests by inclusion in their portal. Commonly, an appended macrocycle forms a complex with appended guests on another polymer chain. The formation of poly(pseudo)rotaxanes is also demonstrated, wherein macrocycles are threaded by a polymer chain to give rise to physical cross-linking by secondary non-covalent interactions or polymer jamming. Host-guest supramolecular hydrogels lend themselves to a variety of applications resulting from their dynamic properties that arise from non-covalent supramolecular interactions, as well as engineered responsiveness to external stimuli. These are thus an exciting new class of materials.
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Affiliation(s)
- Siena M Mantooth
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 205 McCourtney Hall, Notre Dame, IN, 46556, USA
| | - Brizzia G Munoz-Robles
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 205 McCourtney Hall, Notre Dame, IN, 46556, USA
| | - Matthew J Webber
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 205 McCourtney Hall, Notre Dame, IN, 46556, USA
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184
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Liu Y, Hsu SH. Synthesis and Biomedical Applications of Self-healing Hydrogels. Front Chem 2018; 6:449. [PMID: 30333970 PMCID: PMC6176467 DOI: 10.3389/fchem.2018.00449] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 09/07/2018] [Indexed: 01/08/2023] Open
Abstract
Hydrogels, which are crosslinked polymer networks with high water contents and rheological solid-like properties, are attractive materials for biomedical applications. Self-healing hydrogels are particularly interesting because of their abilities to repair the structural damages and recover the original functions, similar to the healing of organism tissues. In addition, self-healing hydrogels with shear-thinning properties can be potentially used as the vehicles for drug/cell delivery or the bioinks for 3D printing by reversible sol-gel transitions. Therefore, self-healing hydrogels as biomedical materials have received a rapidly growing attention in recent years. In this paper, synthesis methods and repair mechanisms of self-healing hydrogels are reviewed. The biomedical applications of self-healing hydrogels are also described, with a focus on the potential therapeutic applications verified through in vivo experiments. The trends indicate that self-healing hydrogels with automatically reversible crosslinks may be further designed and developed for more advanced biomedical applications in the future.
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Affiliation(s)
- Yi Liu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan
| | - Shan-hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli, Taiwan
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185
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Klyachkin YM, Idris A, Rodell CB, Tripathi H, Ye S, Nagareddy P, Asfour A, Gao E, Annabathula R, Ratajczak M, Burdick JA, Abdel-Latif A. Cathelicidin Related Antimicrobial Peptide (CRAMP) Enhances Bone Marrow Cell Retention and Attenuates Cardiac Dysfunction in a Mouse Model of Myocardial Infarction. Stem Cell Rev Rep 2018; 14:702-714. [PMID: 29948752 PMCID: PMC6119631 DOI: 10.1007/s12015-018-9833-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Acute myocardial infarction (MI) and the ensuing ischemic heart disease are approaching epidemic state. Unfortunately, no definitive therapies are available and human regenerative therapies have conflicting results. Limited stem cell retention following intracoronary administration has reduced the clinical efficacy of this novel therapy. Cathelicidin related antimicrobial peptides (CRAMPs) enhance chemotactic responsiveness of BMSPCs to low SDF-1 gradients, suggesting a potential role in BMSPCs engraftment. Here, we assessed the therapeutic efficacy of CRAMPs in the context of BMSPCs recruitment and retention via intracardiac delivery of CRAMP-treated BMSPCs or CRAMP-releasing hydrogels (HG) post-AMI. METHODS For cell transplantation experiments, mice were randomized into 3 groups: MI followed by injection of PBS, BMMNCs alone, and BMMNCs pre-incubated with CRAMP. During the in vivo HG studies, BM GFP chimera mice were randomized into 4 groups: MI followed by injection of HG alone, HG + SDF-1, HG + CRAMP, HG + SDF-1 + CRAMP. Changes in cardiac function at 5 weeks after MI were assessed using echocardiography. Angiogenesis was assessed using isolectin staining for capillary density. RESULTS Mice treated with BMMNCs pre-incubated with CRAMP had smaller scars, enhanced cardiac recovery and less adverse remodeling. Histologically, this group had higher capillary density. Similarly, sustained CRAMP release from hydrogels enhanced the therapeutic effect of SDF-1, leading to enhanced functional recovery, smaller scar size and higher capillary density. CONCLUSION Cathelicidins enhance BMMNC retention and recruitment after intramyocardial administration post-AMI resulting in improvements in heart physiology and recovery. Therapies employing these strategies may represent an attractive method for improving outcomes of regenerative therapies in human studies.
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Affiliation(s)
- Yuri M. Klyachkin
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | - Amr Idris
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | | | - Himi Tripathi
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | - Shaojing Ye
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | - Prabha Nagareddy
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | - Ahmed Asfour
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | - Erhe Gao
- The Center for Translational Medicine, Temple University School of Medicine, Philadelphia, PA, USA
| | - Rahul Annabathula
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
| | - Mariusz Ratajczak
- Stem Cell Biology Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
| | - Jason A. Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Ahmed Abdel-Latif
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY and VA Medical Center, Lexington, KY, USA
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186
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Wang Y, Ma B, Abdeen AA, Chen G, Xie R, Saha K, Gong S. Versatile Redox-Responsive Polyplexes for the Delivery of Plasmid DNA, Messenger RNA, and CRISPR-Cas9 Genome-Editing Machinery. ACS APPLIED MATERIALS & INTERFACES 2018; 10:31915-31927. [PMID: 30222305 PMCID: PMC6530788 DOI: 10.1021/acsami.8b09642] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Gene therapy holds great promise for the treatment of many diseases, but clinical translation of gene therapies has been slowed down by the lack of safe and efficient gene delivery systems. Here, we report two versatile redox-responsive polyplexes (i.e., cross-linked and non-crosslinked) capable of efficiently delivering a variety of negatively charged payloads including plasmid DNA (DNA), messenger RNA, Cas9/sgRNA ribonucleoprotein (RNP), and RNP-donor DNA complexes (S1mplex) without any detectable cytotoxicity. The key component of both types of polyplexes is a cationic poly( N, N'-bis(acryloyl)cystamine- co-triethylenetetramine) polymer [a type of poly( N, N'-bis(acryloyl)cystamine-poly(aminoalkyl)) (PBAP) polymer] containing disulfide bonds in the backbone and bearing imidazole groups. This composition enables efficient encapsulation, cellular uptake, controlled endo/lysosomal escape, and cytosolic unpacking of negatively charged payloads. To further enhance the stability of non-crosslinked PBAP polyplexes, adamantane (AD) and β-cyclodextrin (β-CD) were conjugated to the PBAP-based polymers. The cross-linked PBAP polyplexes formed by host-guest interaction between β-CD and AD were more stable than non-crosslinked PBAP polyplexes in the presence of polyanionic polymers such as serum albumin, suggesting enhanced stability in physiological conditions. Both cross-linked and non-crosslinked polyplexes demonstrated either similar or better transfection and genome-editing efficiencies, and significantly better biocompatibility than Lipofectamine 2000, a commercially available state-of-the-art transfection agent that exhibits cytotoxicity.
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Affiliation(s)
- Yuyuan Wang
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53715, USA
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
| | - Ben Ma
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
- The Second Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Beijing 100853, P.R. China
| | - Amr A. Abdeen
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
| | - Guojun Chen
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53715, USA
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
| | - Ruosen Xie
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53715, USA
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
| | - Krishanu Saha
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
- Department of Biomedical Engineering, University of Wisconsin–Madison, Madison, WI 53715, USA
- Corresponding authors. ;
| | - Shaoqin Gong
- Department of Materials Science and Engineering, University of Wisconsin–Madison, Madison, WI 53715, USA
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI 53715, USA
- Department of Biomedical Engineering, University of Wisconsin–Madison, Madison, WI 53715, USA
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53715, USA
- Corresponding authors. ;
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187
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Wang LL, Chung JJ, Li EC, Uman S, Atluri P, Burdick JA. Injectable and protease-degradable hydrogel for siRNA sequestration and triggered delivery to the heart. J Control Release 2018; 285:152-161. [PMID: 29981357 PMCID: PMC6134398 DOI: 10.1016/j.jconrel.2018.07.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 06/01/2018] [Accepted: 07/02/2018] [Indexed: 12/14/2022]
Abstract
Injectable hydrogels have significant therapeutic potential for treatment of myocardial infarction (MI) through tissue bulking and local drug delivery, including the delivery of small interfering RNAs (siRNAs). As siRNA targets are identified as potential treatments for MI, hydrogels may bolster efficacy through local and sustained release. Here, we designed an injectable hydrogel to respond to local upregulation in proteolytic activity after MI to erode and release siRNA against MMP2 (siMMP2), a target implicated in deleterious remodeling. Specifically, hyaluronic acid (HA) was modified with hydrazides or aldehydes and mixed to form shear-thinning and self-healing hydrogels through dynamic hydrazone bonds and with peptide crosslinkers that degrade in response to protease activity. HA was further modified with β-cyclodextrin to sequester cholesterol-modified siRNA, limiting passive diffusion. Hydrogels eroded in response to proteases and released active siRNA that knocked down MMP2 in primary cardiac fibroblasts. In a rat model of MI, hydrogels delivering siMMP2 attenuated hydrogel erosion by ~46% at 4 weeks when compared to hydrogels delivering control siRNA, ultimately improving myocardial thickness in the infarct. Delivery of the siMMP2 hydrogel led to significant functional improvements, including increased ejection fraction (27%, 66%), stroke volume (32%, 120%), and cardiac output (20%, 128%) when compared to controls (% increase versus hydrogels with control siRNA, % increase versus saline injection alone). This report demonstrates the utility of biomaterial-based RNA delivery systems for cardiac applications.
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Affiliation(s)
- Leo L Wang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Jennifer J Chung
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Elizabeth C Li
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Selen Uman
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Pavan Atluri
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, United States.
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188
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Sinclair A, O'Kelly MB, Bai T, Hung HC, Jain P, Jiang S. Self-Healing Zwitterionic Microgels as a Versatile Platform for Malleable Cell Constructs and Injectable Therapies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1803087. [PMID: 30066374 PMCID: PMC6588167 DOI: 10.1002/adma.201803087] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 06/28/2018] [Indexed: 05/18/2023]
Abstract
Injectable and malleable hydrogels that combine excellent biocompatibility, physiological stability, and ease of use are highly desirable for biomedical applications. Here, a simple and scalable strategy is reported to make injectable and malleable zwitterionic polycarboxybetaine hydrogels, which are superhydrophilic, nonimmunogenic, and completely devoid of nonspecific interactions. When zwitterionic microgels are reconstructed, the combination of covalent crosslinking inside each microgel and supramolecular interactions between them gives the resulting zwitterionic injectable pellet (ZIP) constructs supportive moduli and tunable viscoelasticity. ZIP constructs can be lyophilized to a sterile powder that fully recovers its strength and elasticity upon rehydration, simplifying storage and formulation. The lyophilized powder can be reconstituted with any aqueous suspension of cells or therapeutics, and rapidly and spontaneously self-heals into a homogeneous composite construct. This versatile and highly biocompatible platform material shows great promise for many applications, including as an injectable cell culture scaffold that promotes multipotent stem cell expansion and provides oxidative stress protection.
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Affiliation(s)
- Andrew Sinclair
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Mary Beth O'Kelly
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Tao Bai
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Hsiang-Chieh Hung
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Priyesh Jain
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Shaoyi Jiang
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
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189
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Abstract
Polymeric chains crosslinked through supramolecular interactions-directional and reversible non-covalent interactions-compose an emerging class of modular and tunable biomaterials. The choice of chemical moiety utilized in the crosslink affords different thermodynamic and kinetic parameters of association, which in turn illustrate the connectivity and dynamics of the system. These parameters, coupled with the choice of polymeric architecture, can then be engineered to control environmental responsiveness, viscoelasticity, and cargo diffusion profiles, yielding advanced biomaterials which demonstrate rapid shear-thinning, self-healing, and extended release. In this review we examine the relationship between supramolecular crosslink chemistry and biomedically relevant macroscopic properties. We then describe how these properties are currently leveraged in the development of materials for drug delivery, immunology, regenerative medicine, and 3D-bioprinting (253 references).
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Affiliation(s)
- Joseph L Mann
- Department of Materials Science and Engineering, Stanford University, 476 Lomita Mall, Stanford, CA 94305, USA.
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190
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Koçer G, Jonkheijm P. About Chemical Strategies to Fabricate Cell-Instructive Biointerfaces with Static and Dynamic Complexity. Adv Healthc Mater 2018; 7:e1701192. [PMID: 29717821 DOI: 10.1002/adhm.201701192] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 02/12/2018] [Indexed: 12/21/2022]
Abstract
Properly functioning cell-instructive biointerfaces are critical for healthy integration of biomedical devices in the body and serve as decisive tools for the advancement of our understanding of fundamental cell biological phenomena. Studies are reviewed that use covalent chemistries to fabricate cell-instructive biointerfaces. These types of biointerfaces typically result in a static presentation of predefined cell-instructive cues. Chemically defined, but dynamic cell-instructive biointerfaces introduce spatiotemporal control over cell-instructive cues and present another type of biointerface, which promises a more biomimetic way to guide cell behavior. Therefore, strategies that offer control over the lateral sorting of ligands, the availability and molecular structure of bioactive ligands, and strategies that offer the ability to induce physical, chemical and mechanical changes in situ are reviewed. Specific attention is paid to state-of-the-art studies on dynamic, cell-instructive 3D materials. Future work is expected to further deepen our understanding of molecular and cellular biological processes investigating cell-type specific responses and the translational steps toward targeted in vivo applications.
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Affiliation(s)
- Gülistan Koçer
- TechMed Centre and MESA Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
- Institute of Biomaterials and Biomedical Engineering; University of Toronto; Toronto M5S 3G9 Ontario Canada
| | - Pascal Jonkheijm
- TechMed Centre and MESA Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
- Institute of Biomaterials and Biomedical Engineering; University of Toronto; Toronto M5S 3G9 Ontario Canada
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191
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Wang Z, Ren Y, Zhu Y, Hao L, Chen Y, An G, Wu H, Shi X, Mao C. A Rapidly Self-Healing Host-Guest Supramolecular Hydrogel with High Mechanical Strength and Excellent Biocompatibility. Angew Chem Int Ed Engl 2018; 57:9008-9012. [PMID: 29774645 DOI: 10.1002/anie.201804400] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Indexed: 12/15/2022]
Abstract
It is still a challenge to achieve both excellent mechanical strength and biocompatibility in hydrogels. In this study, we exploited two interactions to form a novel biocompatible, slicing-resistant, and self-healing hydrogel. The first was molecular host-guest recognition between a host (isocyanatoethyl acrylate modified β-cyclodextrin) and a guest (2-(2-(2-(2-(adamantyl-1-oxy)ethoxy)ethoxy)ethoxy)ethanol acrylate) to form "three-arm" host-guest supramolecules (HGSMs), and the second was covalent bonding between HGSMs (achieved by UV-initiated polymerization) to form strong cross-links in the hydrogel. The host-guest interaction enabled the hydrogel to rapidly self-heal. When it was cut, fresh surfaces were formed with dangling host and guest molecules (due to the breaking of host-guest recognition), which rapidly recognized each other again to heal the hydrogel by recombination of the cut surfaces. The smart hydrogels hold promise for use as biomaterials for soft-tissue repair.
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Affiliation(s)
- Zhifang Wang
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yipeng Ren
- Department of Stomatology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ye Zhu
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, Norman, OK, 73019-5300, USA
| | - Lijing Hao
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yunhua Chen
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Geng An
- Department of Reproductive Medicine, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Hongkai Wu
- Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, Kowloon, China
| | - Xuetao Shi
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Chuanbin Mao
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, Norman, OK, 73019-5300, USA.,School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
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192
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Wang Z, Ren Y, Zhu Y, Hao L, Chen Y, An G, Wu H, Shi X, Mao C. A Rapidly Self-Healing Host-Guest Supramolecular Hydrogel with High Mechanical Strength and Excellent Biocompatibility. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804400] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Zhifang Wang
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering; South China University of Technology; Guangzhou 510640 China
| | - Yipeng Ren
- Department of Stomatology; Chinese PLA General Hospital; Beijing 100853 China
| | - Ye Zhu
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center; Institute for Biomedical Engineering, Science and Technology; University of Oklahoma; Norman OK 73019-5300 USA
| | - Lijing Hao
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering; South China University of Technology; Guangzhou 510640 China
| | - Yunhua Chen
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering; South China University of Technology; Guangzhou 510640 China
| | - Geng An
- Department of Reproductive Medicine; Third Affiliated Hospital of Guangzhou Medical University; Guangzhou 510150 China
| | - Hongkai Wu
- Department of Chemistry; The Hong Kong University of Science and Technology; Hong Kong Kowloon China
| | - Xuetao Shi
- National Engineering Research Centre for Tissue Restoration and Reconstruction and School of Material Science and Engineering; South China University of Technology; Guangzhou 510640 China
| | - Chuanbin Mao
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center; Institute for Biomedical Engineering, Science and Technology; University of Oklahoma; Norman OK 73019-5300 USA
- School of Materials Science and Engineering; Zhejiang University; Hangzhou 310027 China
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193
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Xu Y, Yang X, Thomas AK, Patsis PA, Kurth T, Kräter M, Eckert K, Bornhäuser M, Zhang Y. Noncovalently Assembled Electroconductive Hydrogel. ACS APPLIED MATERIALS & INTERFACES 2018; 10:14418-14425. [PMID: 29644843 DOI: 10.1021/acsami.8b01029] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cross-linking biomolecules with electroconductive nanostructures through noncovalent interactions can result in modular networks with defined biological functions and physical properties such as electric conductivity and viscoelasticity. Moreover, the resulting matrices can exhibit interesting features caused by the dynamic assembly process, such as self-healing and molecular ordering. In this paper, we present a physical hydrogel system formed by mixing peptide-polyethylene glycol and poly(3,4-ethylenedioxythiophene):polystyrene sulfonate. This combinatorial approach, which uses different modular building blocks, could lead to high tunability on aspects of rheology and electrical impedance. The proposed physical hydrogel system is characterized by both a self-healing ability and injectability. Interestingly, the formation of hydrogels at relatively low concentrations led to a network of closer molecular packing of poly(3,4-ethylenedioxythiophene) nanoparticles, reflected by the enhanced conductivity. The biopolymer system can be used to develop three-dimensional cell cultures with incorporated electric stimuli, as evidenced by its contribution to the survival and proliferation of encapsulated mesenchymal stromal cells and their differentiation upon electrical stimulation.
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Affiliation(s)
| | - Xuegeng Yang
- Institute of Fluid Dynamics , Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , 01328 Dresden , Germany
| | | | | | | | - Martin Kräter
- Medizinische Klinik und Poliklinik I , University Hospital Carl Gustav Carus der Technischen Universität Dresden , Fetscherstraße 74 , 01307 Dresden , Germany
| | - Kerstin Eckert
- Institute of Fluid Dynamics , Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , 01328 Dresden , Germany
| | - Martin Bornhäuser
- Medizinische Klinik und Poliklinik I , University Hospital Carl Gustav Carus der Technischen Universität Dresden , Fetscherstraße 74 , 01307 Dresden , Germany
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194
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Mealy JE, Chung JJ, Jeong HH, Issadore D, Lee D, Atluri P, Burdick JA. Injectable Granular Hydrogels with Multifunctional Properties for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1705912. [PMID: 29602270 DOI: 10.1002/adma.201705912] [Citation(s) in RCA: 185] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 01/25/2018] [Indexed: 05/24/2023]
Abstract
Injectable hydrogels are useful for numerous biomedical applications, such as to introduce therapeutics into tissues or for 3D printing. To expand the complexity of available injectable hydrogels, shear-thinning and self-healing granular hydrogels are developed from microgels that interact via guest-host chemistry. The microgel properties (e.g., degradation, molecule release) are tailored through their crosslinking chemistry, including degradation in response to proteases. When microgels of varied formulations are mixed, complex release and degradation behaviors are observed, including after injection to permit cellular invasion.
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Affiliation(s)
- Joshua E Mealy
- Department of Bioengineering, University of Pennsylvania, 210 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Jennifer J Chung
- Division of Cardiovascular Surgery, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA, 19104, USA
| | - Heon-Ho Jeong
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 220 South 33rd Street, Philadelphia, PA, 19104, USA
| | - David Issadore
- Department of Bioengineering, University of Pennsylvania, 210 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Daeyeon Lee
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 220 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Pavan Atluri
- Division of Cardiovascular Surgery, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA, 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, 210 South 33rd Street, Philadelphia, PA, 19104, USA
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195
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Guo L, Kim HJ, Wang H, Monaghan J, Freyermuth F, Sung JC, O'Donovan K, Fare CM, Diaz Z, Singh N, Zhang ZC, Coughlin M, Sweeny EA, DeSantis ME, Jackrel ME, Rodell CB, Burdick JA, King OD, Gitler AD, Lagier-Tourenne C, Pandey UB, Chook YM, Taylor JP, Shorter J. Nuclear-Import Receptors Reverse Aberrant Phase Transitions of RNA-Binding Proteins with Prion-like Domains. Cell 2018; 173:677-692.e20. [PMID: 29677512 PMCID: PMC5911940 DOI: 10.1016/j.cell.2018.03.002] [Citation(s) in RCA: 321] [Impact Index Per Article: 53.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 11/22/2017] [Accepted: 02/28/2018] [Indexed: 12/21/2022]
Abstract
RNA-binding proteins (RBPs) with prion-like domains (PrLDs) phase transition to functional liquids, which can mature into aberrant hydrogels composed of pathological fibrils that underpin fatal neurodegenerative disorders. Several nuclear RBPs with PrLDs, including TDP-43, FUS, hnRNPA1, and hnRNPA2, mislocalize to cytoplasmic inclusions in neurodegenerative disorders, and mutations in their PrLDs can accelerate fibrillization and cause disease. Here, we establish that nuclear-import receptors (NIRs) specifically chaperone and potently disaggregate wild-type and disease-linked RBPs bearing a NLS. Karyopherin-β2 (also called Transportin-1) engages PY-NLSs to inhibit and reverse FUS, TAF15, EWSR1, hnRNPA1, and hnRNPA2 fibrillization, whereas Importin-α plus Karyopherin-β1 prevent and reverse TDP-43 fibrillization. Remarkably, Karyopherin-β2 dissolves phase-separated liquids and aberrant fibrillar hydrogels formed by FUS and hnRNPA1. In vivo, Karyopherin-β2 prevents RBPs with PY-NLSs accumulating in stress granules, restores nuclear RBP localization and function, and rescues degeneration caused by disease-linked FUS and hnRNPA2. Thus, NIRs therapeutically restore RBP homeostasis and mitigate neurodegeneration.
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Affiliation(s)
- Lin Guo
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Hong Joo Kim
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38120, USA
| | - Hejia Wang
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - John Monaghan
- Department of Pediatrics, Child Neurology and Neurobiology, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Fernande Freyermuth
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Broad Institute of Harvard University and MIT, Cambridge, MA 02142, USA
| | - Julie C Sung
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kevin O'Donovan
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38120, USA
| | - Charlotte M Fare
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Zamia Diaz
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Nikita Singh
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Zi Chao Zhang
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Institute of Life Sciences, Southeast University, Nanjing, 210096 Jiangsu, China
| | - Maura Coughlin
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38120, USA
| | - Elizabeth A Sweeny
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Morgan E DeSantis
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Meredith E Jackrel
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Christopher B Rodell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Oliver D King
- Department of Neurology, University of Massachusetts Medical School, Worcester, MA 01655, USA
| | - Aaron D Gitler
- Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Clotilde Lagier-Tourenne
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Broad Institute of Harvard University and MIT, Cambridge, MA 02142, USA
| | - Udai Bhan Pandey
- Department of Pediatrics, Child Neurology and Neurobiology, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Yuh Min Chook
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - J Paul Taylor
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38120, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
| | - James Shorter
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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196
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Miao T, Wang J, Zeng Y, Liu G, Chen X. Polysaccharide-Based Controlled Release Systems for Therapeutics Delivery and Tissue Engineering: From Bench to Bedside. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700513. [PMID: 29721408 PMCID: PMC5908359 DOI: 10.1002/advs.201700513] [Citation(s) in RCA: 171] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 09/19/2017] [Indexed: 05/08/2023]
Abstract
Polysaccharides or polymeric carbohydrate molecules are long chains of monosaccharides that are linked by glycosidic bonds. The naturally based structural materials are widely applied in biomedical applications. This article covers four different types of polysaccharides (i.e., alginate, chitosan, hyaluronic acid, and dextran) and emphasizes their chemical modification, preparation approaches, preclinical studies, and clinical translations. Different cargo fabrication techniques are also presented in the third section. Recent progresses in preclinical applications are then discussed, including tissue engineering and treatment of diseases in both therapeutic and monitoring aspects. Finally, clinical translational studies with ongoing clinical trials are summarized and reviewed. The promise of new development in nanotechnology and polysaccharide chemistry helps clinical translation of polysaccharide-based drug delivery systems.
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Affiliation(s)
- Tianxin Miao
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
- School of Chemical & Biomolecular EngineeringGeorgia Institute of TechnologyAtlantaGA30332USA
| | - Junqing Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
- Collaborative Innovation Center of Guangxi Biological Medicine and theMedical and Scientific Research CenterGuangxi Medical UniversityNanning530021China
| | - Yun Zeng
- Department of PharmacologyXiamen Medical CollegeXiamen361008China
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
- State Key Laboratory of Cellular Stress BiologyInnovation Center for Cell BiologySchool of Life SciencesXiamen UniversityXiamen361102China
- State Key Laboratory of Physical Chemistry of Solid Surfaces and The MOE Key Laboratory of Spectrochemical Analysis & InstrumentationCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and NanomedicineNational Institute of Biomedical Imaging and BioengineeringNational Institutes of HealthBethesdaMD20892USA
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197
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Wang LL, Highley CB, Yeh YC, Galarraga JH, Uman S, Burdick JA. Three-dimensional extrusion bioprinting of single- and double-network hydrogels containing dynamic covalent crosslinks. J Biomed Mater Res A 2018; 106:865-875. [PMID: 29314616 PMCID: PMC5826872 DOI: 10.1002/jbm.a.36323] [Citation(s) in RCA: 169] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/05/2017] [Accepted: 12/21/2017] [Indexed: 12/23/2022]
Abstract
The fabrication of three-dimensional (3D) scaffolds is indispensable to tissue engineering and 3D printing is emerging as an important approach towards this. Hydrogels are often used as inks in extrusion-based 3D printing, including with encapsulated cells; however, numerous challenging requirements exist, including appropriate viscosity, the ability to stabilize after extrusion, and cytocompatibility. Here, we present a shear-thinning and self-healing hydrogel crosslinked through dynamic covalent chemistry for 3D bioprinting. Specifically, hyaluronic acid was modified with either hydrazide or aldehyde groups and mixed to form hydrogels containing a dynamic hydrazone bond. Due to their shear-thinning and self-healing properties, the hydrogels could be extruded for 3D printing of structures with high shape fidelity, stability to relaxation, and cytocompatibility with encapsulated fibroblasts (>80% viability). Forces for extrusion and filament sizes were dependent on parameters such as material concentration and needle gauge. To increase scaffold functionality, a second photocrosslinkable interpenetrating network was included that was used for orthogonal photostiffening and photopatterning through a thiol-ene reaction. Photostiffening increased the scaffold's modulus (∼300%) while significantly decreasing erosion (∼70%), whereas photopatterning allowed for spatial modification of scaffolds with dyes. Overall, this work introduces a simple approach to both fabricate and modify 3D printed scaffolds. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 865-875, 2018.
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Affiliation(s)
- Leo L. Wang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA
| | | | - Yi-Cheun Yeh
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA
| | | | - Selen Uman
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA
| | - Jason A. Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA
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198
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Tong X, Yang F. Recent Progress in Developing Injectable Matrices for Enhancing Cell Delivery and Tissue Regeneration. Adv Healthc Mater 2018; 7:e1701065. [PMID: 29280328 PMCID: PMC6425976 DOI: 10.1002/adhm.201701065] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 10/21/2017] [Indexed: 01/09/2023]
Abstract
Biomaterials are key factors in regenerative medicine. Matrices used for cell delivery are especially important, as they provide support to transplanted cells that is essential for promoting cell survival, retention, and desirable phenotypes. Injectable matrices have become promising and attractive due to their minimum invasiveness and ease of use. Conventional injectable matrices mostly use hydrogel precursor solutions that form solid, cell-laden hydrogel scaffolds in situ. However, these materials are associated with challenges in biocompatibility, shear-induced cell death, lack of control over cellular phenotype, lack of macroporosity and remodeling, and relatively weak mechanical strength. This Progress Report provides a brief overview of recent progress in developing injectable matrices to overcome the limitations of conventional in situ hydrogels. Biocompatible chemistry and shear-thinning hydrogels have been introduced to promote cell survival and retention. Emerging investigations of the effects of matrix properties on cellular function in 3D provide important guidelines for promoting desirable cellular phenotypes. Moreover, several novel approaches are combining injectability with macroporosity to achieve macroporous, injectable matrices for cell delivery.
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Affiliation(s)
- Xinming Tong
- Department of Orthopaedic Surgery, Stanford University School of Medicine, CA, 94305, United States.
| | - F. Yang
- Department of Orthopaedic Surgery and Bioengineering, Stanford University School of Medicine, 300 Pasteur Dr., Edwards R105, CA, 94305, United States.
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199
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Madl CM, Heilshorn SC. Bioorthogonal Strategies for Engineering Extracellular Matrices. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1706046. [PMID: 31558890 PMCID: PMC6761700 DOI: 10.1002/adfm.201706046] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Hydrogels are commonly used as engineered extracellular matrix (ECM) mimics in applications ranging from tissue engineering to in vitro disease models. Ideal mechanisms used to crosslink ECM-mimicking hydrogels do not interfere with the biology of the system. However, most common hydrogel crosslinking chemistries exhibit some form of cross-reactivity. The field of bio-orthogonal chemistry has arisen to address the need for highly specific and robust reactions in biological contexts. Accordingly, bio-orthogonal crosslinking strategies have been incorporated into hydrogel design, allowing for gentle and efficient encapsulation of cells in various hydrogel materials. Furthermore, the selective nature of bio-orthogonal chemistries can permit dynamic modification of hydrogel materials in the presence of live cells and other biomolecules to alter matrix mechanical properties and biochemistry on demand. In this review, we provide an overview of bio-orthogonal strategies used to prepare cell-encapsulating hydrogels and highlight the potential applications of bio-orthogonal chemistries in the design of dynamic engineered ECMs.
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Affiliation(s)
- Christopher M Madl
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Sarah C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA,
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200
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Matching material and cellular timescales maximizes cell spreading on viscoelastic substrates. Proc Natl Acad Sci U S A 2018; 115:E2686-E2695. [PMID: 29507238 DOI: 10.1073/pnas.1716620115] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Recent evidence has shown that, in addition to rigidity, the viscous response of the extracellular matrix (ECM) significantly affects the behavior and function of cells. However, the mechanism behind such mechanosensitivity toward viscoelasticity remains unclear. In this study, we systematically examined the dynamics of motor clutches (i.e., focal adhesions) formed between the cell and a viscoelastic substrate using analytical methods and direct Monte Carlo simulation. Interestingly, we observe that, for low ECM rigidity, maximum cell spreading is achieved at an optimal level of viscosity in which the substrate relaxation time falls between the timescale for clutch binding and its characteristic binding lifetime. That is, viscosity serves to stiffen soft substrates on a timescale faster than the clutch off-rate, which enhances cell-ECM adhesion and cell spreading. On the other hand, for substrates that are stiff, our model predicts that viscosity will not influence cell spreading, since the bound clutches are saturated by the elevated stiffness. The model was tested and validated using experimental measurements on three different material systems and explained the different observed effects of viscosity on each substrate. By capturing the mechanism by which substrate viscoelasticity affects cell spreading across a wide range of material parameters, our analytical model provides a useful tool for designing biomaterials that optimize cellular adhesion and mechanosensing.
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