1
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Cheng Y, Zhang H, Wei H, Yu CY. Injectable hydrogels as emerging drug-delivery platforms for tumor therapy. Biomater Sci 2024; 12:1151-1170. [PMID: 38319379 DOI: 10.1039/d3bm01840g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Tumor therapy continues to be a prominent field within biomedical research. The development of various drug carriers has been propelled by concerns surrounding the side effects and targeting efficacy of various chemotherapeutic drugs and other therapeutic agents. These carriers strive to enhance drug concentration at tumor sites, minimize systemic side effects, and improve therapeutic outcomes. Among the reported delivery systems, injectable hydrogels have emerged as an emerging candidate for the in vivo delivery of chemotherapeutic drugs due to their minimal invasive drug delivery properties. This review systematically summarizes the composition and preparation methodologies of injectable hydrogels and further highlights the delivery mechanisms of diverse drugs using these hydrogels for tumor therapy, along with an in-depth discussion on the optimized therapeutic efficiency of drugs encapsulated within the hydrogels. The work concludes by providing a dynamic forward-looking perspective on the potential challenges and possible solutions of the in situ injectable hydrogels for non-surgical and real-time diagnostic applications.
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Affiliation(s)
- Yao Cheng
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Haitao Zhang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Hua Wei
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Cui-Yun Yu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
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2
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Kapat K, Kumbhakarn S, Sable R, Gondane P, Takle S, Maity P. Peptide-Based Biomaterials for Bone and Cartilage Regeneration. Biomedicines 2024; 12:313. [PMID: 38397915 PMCID: PMC10887361 DOI: 10.3390/biomedicines12020313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/21/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
The healing of osteochondral defects (OCDs) that result from injury, osteochondritis, or osteoarthritis and bear lesions in the cartilage and bone, pain, and loss of joint function in middle- and old-age individuals presents challenges to clinical practitioners because of non-regenerative cartilage and the limitations of current therapies. Bioactive peptide-based osteochondral (OC) tissue regeneration is becoming more popular because it does not have the immunogenicity, misfolding, or denaturation problems associated with original proteins. Periodically, reviews are published on the regeneration of bone and cartilage separately; however, none of them addressed the simultaneous healing of these tissues in the complicated heterogeneous environment of the osteochondral (OC) interface. As regulators of cell adhesion, proliferation, differentiation, angiogenesis, immunomodulation, and antibacterial activity, potential therapeutic strategies for OCDs utilizing bone and cartilage-specific peptides should be examined and investigated. The main goal of this review was to study how they contribute to the healing of OCDs, either alone or in conjunction with other peptides and biomaterials.
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Affiliation(s)
- Kausik Kapat
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata 700054, West Bengal, India
| | - Sakshi Kumbhakarn
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata 700054, West Bengal, India
| | - Rahul Sable
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata 700054, West Bengal, India
| | - Prashil Gondane
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata 700054, West Bengal, India
| | - Shruti Takle
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research Kolkata, 168, Maniktala Main Road, Kankurgachi, Kolkata 700054, West Bengal, India
| | - Pritiprasanna Maity
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
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3
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Moghassemi S, Dadashzadeh A, Jafari H, Ghaffari-Bohlouli P, Shavandi A, Amorim CA. Liposomal oxygen-generating hydrogel for enhancing cell survival under hypoxia condition. Colloids Surf B Biointerfaces 2023; 231:113562. [PMID: 37774524 DOI: 10.1016/j.colsurfb.2023.113562] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 09/06/2023] [Accepted: 09/17/2023] [Indexed: 10/01/2023]
Abstract
The inadequate oxygen supply to engineered tissues has been a persistent challenge in tissue engineering and regenerative medicine. To overcome this limitation, we developed a scaffold combined with an oxygen-releasing liposomal system comprising catalase-loaded liposomes (CAT@Lip) and H2O2-loaded liposomes (H2O2@Lip). This oxygenation system has shown high cytocompatibility when they were applied to human stromal cells. Under hypoxic conditions, the cell viability enclosed in the oxygen-releasing liposomal alginate hydrogel (94.62 ± 3.46 %) was significantly higher than that of cells enclosed in hydrogel without liposomes (47.18 ± 9.68 %). There was no significant difference in cell viability and apoptosis rate compared to normoxia conditions after three days, indicating the effectiveness of the oxygen-releasing approach in hypoxic conditions. In conclusion, our study demonstrates that the use of liposomal oxygen-releasing scaffolds can overcome the oxygen diffusion challenge in tissue implant fabrication, providing a simple solution for cellular oxygenation that could be a crucial element in tissue engineering.
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Affiliation(s)
- Saeid Moghassemi
- Pôle de Recherche en Physiopathologie de la Reproduction, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Arezoo Dadashzadeh
- Pôle de Recherche en Physiopathologie de la Reproduction, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Hafez Jafari
- BioMatter unit - École polytechnique de Bruxelles, Université Libre de Bruxelles, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Pejman Ghaffari-Bohlouli
- BioMatter unit - École polytechnique de Bruxelles, Université Libre de Bruxelles, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Amin Shavandi
- BioMatter unit - École polytechnique de Bruxelles, Université Libre de Bruxelles, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Christiani A Amorim
- Pôle de Recherche en Physiopathologie de la Reproduction, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium.
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4
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Szwed-Georgiou A, Płociński P, Kupikowska-Stobba B, Urbaniak MM, Rusek-Wala P, Szustakiewicz K, Piszko P, Krupa A, Biernat M, Gazińska M, Kasprzak M, Nawrotek K, Mira NP, Rudnicka K. Bioactive Materials for Bone Regeneration: Biomolecules and Delivery Systems. ACS Biomater Sci Eng 2023; 9:5222-5254. [PMID: 37585562 PMCID: PMC10498424 DOI: 10.1021/acsbiomaterials.3c00609] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 07/31/2023] [Indexed: 08/18/2023]
Abstract
Novel tissue regeneration strategies are constantly being developed worldwide. Research on bone regeneration is noteworthy, as many promising new approaches have been documented with novel strategies currently under investigation. Innovative biomaterials that allow the coordinated and well-controlled repair of bone fractures and bone loss are being designed to reduce the need for autologous or allogeneic bone grafts eventually. The current engineering technologies permit the construction of synthetic, complex, biomimetic biomaterials with properties nearly as good as those of natural bone with good biocompatibility. To ensure that all these requirements meet, bioactive molecules are coupled to structural scaffolding constituents to form a final product with the desired physical, chemical, and biological properties. Bioactive molecules that have been used to promote bone regeneration include protein growth factors, peptides, amino acids, hormones, lipids, and flavonoids. Various strategies have been adapted to investigate the coupling of bioactive molecules with scaffolding materials to sustain activity and allow controlled release. The current manuscript is a thorough survey of the strategies that have been exploited for the delivery of biomolecules for bone regeneration purposes, from choosing the bioactive molecule to selecting the optimal strategy to synthesize the scaffold and assessing the advantages and disadvantages of various delivery strategies.
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Affiliation(s)
- Aleksandra Szwed-Georgiou
- Department
of Immunology and Infectious Biology, Faculty of Biology and Environmental
Protection, University of Lodz, Lodz 90-136, Poland
| | - Przemysław Płociński
- Department
of Immunology and Infectious Biology, Faculty of Biology and Environmental
Protection, University of Lodz, Lodz 90-136, Poland
| | - Barbara Kupikowska-Stobba
- Biomaterials
Research Group, Lukasiewicz Research Network
- Institute of Ceramics and Building Materials, Krakow 31-983, Poland
| | - Mateusz M. Urbaniak
- Department
of Immunology and Infectious Biology, Faculty of Biology and Environmental
Protection, University of Lodz, Lodz 90-136, Poland
- The
Bio-Med-Chem Doctoral School, University of Lodz and Lodz Institutes
of the Polish Academy of Sciences, University
of Lodz, Lodz 90-237, Poland
| | - Paulina Rusek-Wala
- Department
of Immunology and Infectious Biology, Faculty of Biology and Environmental
Protection, University of Lodz, Lodz 90-136, Poland
- The
Bio-Med-Chem Doctoral School, University of Lodz and Lodz Institutes
of the Polish Academy of Sciences, University
of Lodz, Lodz 90-237, Poland
| | - Konrad Szustakiewicz
- Department
of Polymer Engineering and Technology, Faculty of Chemistry, Wroclaw University of Technology, Wroclaw 50-370, Poland
| | - Paweł Piszko
- Department
of Polymer Engineering and Technology, Faculty of Chemistry, Wroclaw University of Technology, Wroclaw 50-370, Poland
| | - Agnieszka Krupa
- Department
of Immunology and Infectious Biology, Faculty of Biology and Environmental
Protection, University of Lodz, Lodz 90-136, Poland
| | - Monika Biernat
- Biomaterials
Research Group, Lukasiewicz Research Network
- Institute of Ceramics and Building Materials, Krakow 31-983, Poland
| | - Małgorzata Gazińska
- Department
of Polymer Engineering and Technology, Faculty of Chemistry, Wroclaw University of Technology, Wroclaw 50-370, Poland
| | - Mirosław Kasprzak
- Biomaterials
Research Group, Lukasiewicz Research Network
- Institute of Ceramics and Building Materials, Krakow 31-983, Poland
| | - Katarzyna Nawrotek
- Faculty
of Process and Environmental Engineering, Lodz University of Technology, Lodz 90-924, Poland
| | - Nuno Pereira Mira
- iBB-Institute
for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de
Lisboa, Lisboa 1049-001, Portugal
- Associate
Laboratory i4HB-Institute for Health and Bioeconomy at Instituto Superior
Técnico, Universidade de Lisboa, Lisboa 1049-001, Portugal
- Instituto
Superior Técnico, Universidade de Lisboa, Lisboa 1049-001, Portugal
| | - Karolina Rudnicka
- Department
of Immunology and Infectious Biology, Faculty of Biology and Environmental
Protection, University of Lodz, Lodz 90-136, Poland
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5
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Hasanzadeh E, Seifalian A, Mellati A, Saremi J, Asadpour S, Enderami SE, Nekounam H, Mahmoodi N. Injectable hydrogels in central nervous system: Unique and novel platforms for promoting extracellular matrix remodeling and tissue engineering. Mater Today Bio 2023; 20:100614. [PMID: 37008830 PMCID: PMC10050787 DOI: 10.1016/j.mtbio.2023.100614] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/23/2023] [Accepted: 03/16/2023] [Indexed: 04/04/2023] Open
Abstract
Repairing central nervous system (CNS) is difficult due to the inability of neurons to recover after damage. A clinically acceptable treatment to promote CNS functional recovery and regeneration is currently unavailable. According to recent studies, injectable hydrogels as biodegradable scaffolds for CNS tissue engineering and regeneration have exceptionally desirable attributes. Hydrogel has a biomimetic structure similar to extracellular matrix, hence has been considered a 3D scaffold for CNS regeneration. An interesting new type of hydrogel, injectable hydrogels, can be injected into target areas with little invasiveness and imitate several aspects of CNS. Injectable hydrogels are being researched as therapeutic agents because they may imitate numerous properties of CNS tissues and hence reduce subsequent injury and regenerate neural tissue. Because of their less adverse effects and cost, easier use and implantation with less pain, and faster regeneration capacity, injectable hydrogels, are more desirable than non-injectable hydrogels. This article discusses the pathophysiology of CNS and the use of several kinds of injectable hydrogels for brain and spinal cord tissue engineering, paying particular emphasis to recent experimental studies.
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Affiliation(s)
- Elham Hasanzadeh
- Immunogenetics Research Center, Department of Tissue Engineering & Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
- Corresponding author. School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Valie-Asr Boulevard, Sari, Mazandaran, Iran.
| | - Alexander Seifalian
- Nanotechnology & Regenerative Medicine Commercialisation Centre (NanoRegMed Ltd, Nanoloom Ltd, & Liberum Health Ltd), London BioScience Innovation Centre, 2 Royal College Street, London, UK
| | - Amir Mellati
- Department of Tissue Engineering & Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
- Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Jamileh Saremi
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Shiva Asadpour
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Seyed Ehsan Enderami
- Immunogenetics Research Center, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Houra Nekounam
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Narges Mahmoodi
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Corresponding author. Sina Trauma and Surgery Research Center, Sina Hospital, Tehran University of Medical Sciences, Hasan-Abad Square, Imam Khomeini Ave., Tehran, 11365-3876, Iran.
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6
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Wang R, Huang X, Zoetebier B, Dijkstra PJ, Karperien M. Enzymatic co-crosslinking of star-shaped poly(ethylene glycol) tyramine and hyaluronic acid tyramine conjugates provides elastic biocompatible and biodegradable hydrogels. Bioact Mater 2023; 20:53-63. [PMID: 35633871 PMCID: PMC9127275 DOI: 10.1016/j.bioactmat.2022.05.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 11/02/2022] Open
Abstract
A combination of the viscoelastic properties of hyaluronic acid (HA) and the elastic properties of star shaped 8-arm poly(ethylene glycol) (8-arm PEG) was used to design in-situ forming hydrogels. Hydrogels were prepared by the enzymatic crosslinking of a partially tyramine modified 8-arm PEG and a tyramine conjugated HA using horseradish peroxidase in the presence of hydrogen peroxide. Hydrogels of the homopolymer conjugates and mixtures thereof were rapidly formed within seconds under physiological conditions at low polymer and enzyme concentrations. Elastic hydrogels with high gel content (≥95%) and high storage moduli (up to 22.4 kPa) were obtained. An in vitro study in the presence of hyaluronidase (100 U/mL) revealed that with increasing PEG content the degradation time of the hybrid hydrogels increased up to several weeks, whereas hydrogels composed of only hyaluronic acid degraded within 2 weeks. Human mesenchymal stem cells (hMSCs) incorporated in the hybrid hydrogels remained viable as shown by a PrestoBlue and a live-dead assay, confirming the biocompatibility of the constructs. The production of an extracellular matrix by re-differentiation of encapsulated human chondrocytes was followed over a period of 28 days. Gene expression indicated that these highly elastic hydrogels induced an enhanced production of collagen type II. At low PEG-TA/HA-TA ratios a higher expression of SOX 9 and ACAN was observed. These results indicate that by modulating the ratio of PEG/HA, injectable hydrogels can be prepared applicable as scaffolds for tissue regeneration applications.
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Affiliation(s)
| | | | - Bram Zoetebier
- Department of Developmental BioEngineering, Faculty of Science and Technology, Tech Med Centre, University of Twente, P.O. Box 217, 7500 AE, Enschede, the Netherlands
| | - Pieter J. Dijkstra
- Department of Developmental BioEngineering, Faculty of Science and Technology, Tech Med Centre, University of Twente, P.O. Box 217, 7500 AE, Enschede, the Netherlands
| | - Marcel Karperien
- Department of Developmental BioEngineering, Faculty of Science and Technology, Tech Med Centre, University of Twente, P.O. Box 217, 7500 AE, Enschede, the Netherlands
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7
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Nun N, Joy A. Fabrication and Bioactivity of Peptide-Conjugated Biomaterial Tissue Engineering Constructs. Macromol Rapid Commun 2023; 44:e2200342. [PMID: 35822458 DOI: 10.1002/marc.202200342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/22/2022] [Indexed: 01/11/2023]
Abstract
Tissue engineering combines materials engineering, cells and biochemical factors to improve, restore or replace various types of biological tissues. A nearly limitless combination of these strategies can be combined, providing a means to augment the function of a number of biological tissues such as skin tissue, neural tissue, bones, and cartilage. Compounds such as small molecule therapeutics, proteins, and even living cells have been incorporated into tissue engineering constructs to influence biological processes at the site of implantation. Peptides have been conjugated to tissue engineering constructs to circumvent limitations associated with conjugation of proteins or incorporation of cells. This review highlights various contemporary examples in which peptide conjugation is used to overcome the disadvantages associated with the inclusion of other bioactive compounds. This review covers several peptides that are commonly used in the literature as well as those that do not appear as frequently to provide a broad scope of the utility of the peptide conjugation technique for designing constructs capable of influencing the repair and regeneration of various bodily tissues. Additionally, a brief description of the construct fabrication techniques encountered in the covered examples and their advantages in various tissue engineering applications is provided.
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Affiliation(s)
- Nicholas Nun
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH, 44321, USA
| | - Abraham Joy
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH, 44321, USA
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8
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Ding P, Wei Q, Tian N, Ding X, Wang L, Wang B, Okoro OV, Shavandi A, Nie L. Enzymatically crosslinked hydrogel based on tyramine modified gelatin and sialylated chitosan. Biomed Mater 2022; 18. [PMID: 36322975 DOI: 10.1088/1748-605x/ac9f90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 11/02/2022] [Indexed: 11/16/2022]
Abstract
The enzymatically crosslinked hydrogel could replicate the cellular microenvironment for biomedical applications. In the present study, to improve the cytocompatibility of chitosan (CS), sialic acid (SA) was introduced to CS to synthesize sialylated CS (CS-SA), and the tyramine (TA) was grafted to gelatin (G) to obtain TA modified gelatin (G-TA). The successful synthesis of CS-SA and G-TA was confirmed using1H NMR and UV-Vis absorption spectra. The interpenetrating polymer networks G-TA/CS-SA (GC) hydrogel was then fabricated via blending G-TA and CS-SA solutions and crosslinked using horseradish peroxidase. The storage modulus (G') of the fabricated GC hydrogels with different ratios of G-TA/CS-SA greatly varied during the formation and strain of hydrogels. With the increase of CS-SA concentration from 0% to 2%, the storage modulus of GC hydrogels was also observed to decrease from 1500 Pa to 101 Pa; the water uptake capacity of GC hydrogels increased from 1000% to 4500%. Additionally, the cell counting kit-8 and fluorescent images demonstrated the excellent cytocompatibility of GC hydrogels after culturing with NIH 3T3 cells. The obtained results indicated that the fabricated GC hydrogels might have potential in biomedical fields, such as wound dressing.
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Affiliation(s)
- Peng Ding
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China.,Tea Plant Biology Key Laboratory of Henan Province, Xinyang 464000, People's Republic of China
| | - Qianqian Wei
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China
| | - Ning Tian
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China
| | - Xiaoyue Ding
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China
| | - Ling Wang
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China
| | - Bin Wang
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China
| | - Oseweuba Valentine Okoro
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Lei Nie
- School of Life Science, Xinyang Normal University, Xinyang 464000, People's Republic of China.,Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
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9
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Wei SY, Chen TH, Kao FS, Hsu YJ, Chen YC. Strategy for improving cell-mediated vascularized soft tissue formation in a hydrogen peroxide-triggered chemically-crosslinked hydrogel. J Tissue Eng 2022; 13:20417314221084096. [PMID: 35296029 PMCID: PMC8918759 DOI: 10.1177/20417314221084096] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 02/13/2022] [Indexed: 12/03/2022] Open
Abstract
The physically-crosslinked collagen hydrogels can provide suitable microenvironments for cell-based functional vascular network formation due to their biodegradability, biocompatibility, and good diffusion properties. However, encapsulation of cells into collagen hydrogels results in extensive contraction and rapid degradation of hydrogels, an effect known from their utilization as a pre-vascularized graft in vivo. Various types of chemically-crosslinked collagen-based hydrogels have been successfully synthesized to decrease volume contraction, retard the degradation rate, and increase mechanical tunability. However, these hydrogels failed to form vascularized tissues with uniformly distributed microvessels in vivo. Here, the enzymatically chemically-crosslinked collagen-Phenolic hydrogel was used as a model to determine and overcome the difficulties in engineering vascular networks. Results showed that a longer duration of inflammation and excessive levels of hydrogen peroxide limited the capability for blood vessel forming cells-mediated vasculature formation in vivo. Lowering the unreacted amount of crosslinkers reduced the densities of infiltrating host myeloid cells by half on days 2–4 after implantation, but blood vessels remained at low density and were mainly located on the edge of the implanted constructs. Co-implantation of a designed spacer with cell-laden hydrogel maintained the structural integrity of the hydrogel and increased the degree of hypoxia in embedded cells. These effects resulted in a two-fold increase in the density of perfused blood vessels in the hydrogel. Results agreed with computer-based simulations. Collectively, our findings suggest that simultaneous reduction of the crosslinker-induced host immune response and increase in hypoxia in hydrogen peroxide-triggered chemically-crosslinked hydrogels can effectively improve the formation of cell-mediated functional vascular networks.
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Affiliation(s)
- Shih-Yen Wei
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Tzu-Hsuan Chen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Feng-Sheng Kao
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Yi-Jung Hsu
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Ying-Chieh Chen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
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10
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Najafi H, Jafari M, Farahavar G, Abolmaali SS, Azarpira N, Borandeh S, Ravanfar R. Recent advances in design and applications of biomimetic self-assembled peptide hydrogels for hard tissue regeneration. Biodes Manuf 2021; 4:735-756. [PMID: 34306798 PMCID: PMC8294290 DOI: 10.1007/s42242-021-00149-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/12/2021] [Indexed: 12/22/2022]
Abstract
Abstract The development of natural biomaterials applied for hard tissue repair and regeneration is of great importance, especially in societies with a large elderly population. Self-assembled peptide hydrogels are a new generation of biomaterials that provide excellent biocompatibility, tunable mechanical stability, injectability, trigger capability, lack of immunogenic reactions, and the ability to load cells and active pharmaceutical agents for tissue regeneration. Peptide-based hydrogels are ideal templates for the deposition of hydroxyapatite crystals, which can mimic the extracellular matrix. Thus, peptide-based hydrogels enhance hard tissue repair and regeneration compared to conventional methods. This review presents three major self-assembled peptide hydrogels with potential application for bone and dental tissue regeneration, including ionic self-complementary peptides, amphiphilic (surfactant-like) peptides, and triple-helix (collagen-like) peptides. Special attention is given to the main bioactive peptides, the role and importance of self-assembled peptide hydrogels, and a brief overview on molecular simulation of self-assembled peptide hydrogels applied for bone and dental tissue engineering and regeneration. Graphic abstract
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Affiliation(s)
- Haniyeh Najafi
- Pharmaceutical Nanotechnology Department, Shiraz University of Medical Sciences, 71345-1583 Shiraz, Iran
| | - Mahboobeh Jafari
- Pharmaceutical Nanotechnology Department, Shiraz University of Medical Sciences, 71345-1583 Shiraz, Iran
| | - Ghazal Farahavar
- Pharmaceutical Nanotechnology Department, Shiraz University of Medical Sciences, 71345-1583 Shiraz, Iran
| | - Samira Sadat Abolmaali
- Pharmaceutical Nanotechnology Department, Shiraz University of Medical Sciences, 71345-1583 Shiraz, Iran
- Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, 71345-1583 Shiraz, Iran
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Mohammad Rasoul-Allah Research Tower, 7193711351 Shiraz, Iran
| | - Sedigheh Borandeh
- Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, 71345-1583 Shiraz, Iran
- Polymer Technology Research Group, Department of Chemical and Metallurgical Engineering, Aalto University, 02152 Espoo, Finland
| | - Raheleh Ravanfar
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125 USA
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11
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Jung HY, Le Thi P, HwangBo KH, Bae JW, Park KD. Tunable and high tissue adhesive properties of injectable chitosan based hydrogels through polymer architecture modulation. Carbohydr Polym 2021; 261:117810. [PMID: 33766329 DOI: 10.1016/j.carbpol.2021.117810] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 01/10/2021] [Accepted: 02/09/2021] [Indexed: 11/18/2022]
Abstract
Chitosan-based hydrogels have been widely used for various biomedical applications due to their versatile properties such as biocompatibility, biodegradability, muco-adhesiveness, hemostatic effect and so on. However, the inherent rigidity and brittleness of pure chitosan hydrogels are still unmanageable, which has limited their potential use in biomaterial research. In this study, we developed in situ forming chitosan/PEG hydrogels with improved mechanical properties, using the enzymatic crosslinking reaction of horseradish peroxidase (HRP). The effect of PEG on physico-chemical properties of hybrid hydrogels was thoroughly elucidated by varying the content (0-100 %), molecular weight (4, 10 and 20 kDa) and geometry (linear, 4-arm) of the PEG derivatives. The resulting hydrogels demonstrated excellent hemostatic ability and are highly biocompatible in vivo, comparable to commercially available fibrin glue. We suggest these chitosan/PEG hybrid hydrogels with tunable physicochemical and tissue adhesive properties have great potential for a wide range of biomedical applications in the near future.
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Affiliation(s)
- Ha Young Jung
- Department of Molecular Science and Technology, Ajou University, 5 Woncheon, Yeongtong, Suwon, 443-749, Republic of Korea.
| | - Phuong Le Thi
- Department of Molecular Science and Technology, Ajou University, 5 Woncheon, Yeongtong, Suwon, 443-749, Republic of Korea.
| | - Kyung-Hee HwangBo
- Department of Material Development, GENOSS, 906-5 Iuidong, Yeongtong, Suwon, Republic of Korea.
| | - Jin Woo Bae
- Department of Material Development, GENOSS, 906-5 Iuidong, Yeongtong, Suwon, Republic of Korea.
| | - Ki Dong Park
- Department of Molecular Science and Technology, Ajou University, 5 Woncheon, Yeongtong, Suwon, 443-749, Republic of Korea.
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12
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Zhu M, He H, Meng Q, Zhu Y, Ye X, Xu N, Yu J. Osteopontin sequence modified mesoporous calcium silicate scaffolds to promote angiogenesis in bone tissue regeneration. J Mater Chem B 2021; 8:5849-5861. [PMID: 32530014 DOI: 10.1039/d0tb00527d] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Sufficient blood supply remains the key issue to be addressed for an optimal performance of implanted bone tissue engineering scaffolds. Host vessel invasion is limited to a depth of only several hundred micrometers from the scaffold/host interface. In this study, an osteopontin sequenced polypeptide SVVYGLR was grafted into/onto mesoporous calcium silicate (MCS) and then 3D-printed into scaffolds. The peptide motifs can be accessed on the scaffold surfaces and released as well. In vitro studies of human umbilical vein endothelial cells (HUVECs) indicated enhanced cell adhesion and vascular-like structure formation on MCS-SVVYGLR scaffolds. At the same time, human bone marrow stromal cells (hBMSCs) showed enhanced osteogenic differentiation capability and higher expression levels of angiogenic genes and proteins as well. The results of in vivo radial defect repair tests of rabbits showed that more tubular vessels formed throughout the whole MCS-SVVYGLR scaffolds, and therefore, a more homogeneous new bone formation pattern was obtained on MCS-SVVYGLR scaffolds instead of a peripheral bone growth pattern on pure MCS scaffolds by Micro-CT and tissue staining techniques over 3 months. Relative gene and protein expressions in PI3K/AKT and ERK1/2 pathways suggested that the SVVYGLR motif on the MCS scaffold surface could initiate the PI3K/AKT signaling pathway and up-regulate ERK1/2 expression, which positively stimulated VEGF expression, to improve angiogenesis.
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Affiliation(s)
- Min Zhu
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
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13
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Biomimetic hydrogels based on L-Dopa conjugated gelatin as pH-responsive drug carriers and antimicrobial agents. Colloids Surf B Biointerfaces 2020; 196:111316. [DOI: 10.1016/j.colsurfb.2020.111316] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/01/2020] [Accepted: 08/09/2020] [Indexed: 12/13/2022]
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14
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Wang YH, Wang DR, Guo YC, Liu JY, Pan J. The application of bone marrow mesenchymal stem cells and biomaterials in skeletal muscle regeneration. Regen Ther 2020; 15:285-294. [PMID: 33426231 PMCID: PMC7770413 DOI: 10.1016/j.reth.2020.11.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/07/2020] [Accepted: 11/16/2020] [Indexed: 02/08/2023] Open
Abstract
Skeletal muscle injuries have bothered doctors and caused great burdens to the public medical insurance system for a long time. Once injured, skeletal muscles usually go through the processes of inflammation, repairing and remodeling. If repairing and remodeling stages are out of balance, scars will be formed to replace injured skeletal muscles. At present, clinicians usually use conventional methods to restore the injured skeletal muscles, such as flap transplantation. However, flap transplantation sometimes needs to sacrifice healthy autologous tissues and will bring extra harm to patients. In recent years, stem cells-based tissue engineering provides us new treatment ideas for skeletal muscle injuries. Stem cells are cells with multiple differentiation potential and have ability to differentiate into adult cells under special condition. Skeletal muscle tissues also have stem cells, called satellite cells, but they are in small amount and new muscle fibers that derived from them may not be enough to replace injured fibers. Bone marrow mesenchymal stem cells (BM-MSCs) could promote musculoskeletal tissue regeneration and activate the myogenic differentiation of satellite cells. Biomaterial is another important factor to promote tissue regeneration and greatly enhance physiological activities of stem cells in vivo. The combined use of stem cells and biomaterials will gradually become a mainstream to restore injured skeletal muscles in the future. This review article mainly focuses on the review of research about the application of BM-MSCs and several major biomaterials in skeletal muscle regeneration over the past decades.
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Key Words
- 3D-ECM, three dimensional extracellular matrix
- ASCs, adipose stem cells
- BDNF, brain derived neurotrophic factor
- BM-MSCs
- BM-MSCs, bone marrow mesenchymal stem cells
- Biomaterial
- CREB, cAMP- response element binding protein
- DPSCs, dental pulp stem cells
- Differentiation
- ECM, extracellular matrix
- ECs, endothelial cells
- EGF, epidermal growth factor
- FGF, fibroblast growth factor
- FGF-2, fibroblast growth factor-2
- GCSF, granulocyte colony-stimulating factor
- GDNF, glial derived neurotrophic factor
- GPT, gelatin-poly(ethylene glycol)- tyramine
- HGF, hepatocyte growth factor
- IGF-1, insulin-like growth factor-1
- IL, interleukin
- LIF, leukemia inhibitory factor
- MRF, myogenic muscle factor
- NSAIDs, non-steroidal drugs
- PDGF-BB, platelet derived growth factor-BB
- PGE2, prostaglandin E2
- PRP, platelet rich plasma
- S1P, sphingosine 1-phosphate
- SDF-1, stromal cell derived factor-1
- Skeletal muscle injury
- TGF-β, transforming growth factor-β
- Tissue regeneration
- TrkB, tyrosine kinaseB
- VEGF, vascular endothelial growth factor
- VML, volumetric muscle loss
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Affiliation(s)
- Yu-Hao Wang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, 610041, PR China
| | - Dian-Ri Wang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, 610041, PR China
| | - Yu-Chen Guo
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Ji-Yuan Liu
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Jian Pan
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, 610041, PR China
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15
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Zhao J, Feng Y. Surface Engineering of Cardiovascular Devices for Improved Hemocompatibility and Rapid Endothelialization. Adv Healthc Mater 2020; 9:e2000920. [PMID: 32833323 DOI: 10.1002/adhm.202000920] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/18/2020] [Indexed: 12/13/2022]
Abstract
Cardiovascular devices have been widely applied in the clinical treatment of cardiovascular diseases. However, poor hemocompatibility and slow endothelialization on their surface still exist. Numerous surface engineering strategies have mainly sought to modify the device surface through physical, chemical, and biological approaches to improve surface hemocompatibility and endothelialization. The alteration of physical characteristics and pattern topographies brings some hopeful outcomes and plays a notable role in this respect. The chemical and biological approaches can provide potential signs of success in the endothelialization of vascular device surfaces. They usually involve therapeutic drugs, specific peptides, adhesive proteins, antibodies, growth factors and nitric oxide (NO) donors. The gene engineering can enhance the proliferation, growth, and migration of vascular cells, thus boosting the endothelialization. In this review, the surface engineering strategies are highlighted and summarized to improve hemocompatibility and rapid endothelialization on the cardiovascular devices. The potential outlook is also briefly discussed to help guide endothelialization strategies and inspire further innovations. It is hoped that this review can assist with the surface engineering of cardiovascular devices and promote future advancements in this emerging research field.
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Affiliation(s)
- Jing Zhao
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
| | - Yakai Feng
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin) Yaguan Road 135 Tianjin 300350 P. R. China
- Key Laboratory of Systems Bioengineering (Ministry of Education) Tianjin University Tianjin 300072 P. R. China
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16
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Derkus B, Okesola BO, Barrett DW, D'Este M, Chowdhury TT, Eglin D, Mata A. Multicomponent hydrogels for the formation of vascularized bone-like constructs in vitro. Acta Biomater 2020; 109:82-94. [PMID: 32311533 DOI: 10.1016/j.actbio.2020.03.025] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 03/13/2020] [Accepted: 03/18/2020] [Indexed: 01/03/2023]
Abstract
The native extracellular matrix (ECM) is a complex gel-like system with a broad range of structural features and biomolecular signals. Hydrogel platforms that can recapitulate the complexity and signaling properties of this ECM would have enormous impact in fields ranging from tissue engineering to drug discovery. Here, we report on the design, synthesis, and proof-of-concept validation of a microporous and nanofibrous hydrogel exhibiting multiple bioactive epitopes designed to recreate key features of the bone ECM. The material platform integrates self-assembly with orthogonal enzymatic cross-linking to create a supramolecular environment comprising hyaluronic acid modified with tyramine (HA-Tyr) and peptides amphiphiles (PAs) designed to promote cell adhesion (RGDS-PA), osteogenesis (Osteo-PA), and angiogenesis (Angio-PA). Through individual and co-cultures of human adipose derived mesenchymal stem cells (hAMSCs) and human umbilical vascular endothelial cells (HUVECs), we confirmed the capacity of the HA-Tyr/RGDS-PA/Osteo-PA/Angio-PA hydrogel to promote cell adhesion as well as osteogenic and angiogenic differentiation in both 2D and 3D setups. Furthermore, using immunofluorescent staining and reverse transcription-quantitative polymerase chain reaction (RT-qPCR), we demonstrated co-differentiation and organization of hAMSCs and HUVECs into 3D aggregates resembling vascularized bone-like constructs. STATEMENT OF SIGNIFICANCE: This body of work presents a new approach to develop more complex, yet functional, in vitro environments for cell culture while enabling a high level of control, tuneability, and reproducibility. The multicomponent self-assembling bioactive 2D and 3D hydrogels with nanofibrous architecture designed to recreate key molecular and macromolecular features of the native bone ECM and promote both osteogenesis and angiogenesis. The materials induce endothelial cells towards large vascular lumens and MSCs into bone cells on/within the same platform and form vascularized-bone like construct in vitro. This strategy looks encouraging for lifelike bone tissue engineering in vitro and bone tissue regeneration in vivo.
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17
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Pham TN, Jiang YS, Su CF, Jan JS. In situ formation of silver nanoparticles-contained gelatin-PEG-dopamine hydrogels via enzymatic cross-linking reaction for improved antibacterial activities. Int J Biol Macromol 2020; 146:1050-1059. [DOI: 10.1016/j.ijbiomac.2019.09.230] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/23/2019] [Accepted: 09/24/2019] [Indexed: 02/07/2023]
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18
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Hasturk O, Jordan KE, Choi J, Kaplan DL. Enzymatically crosslinked silk and silk-gelatin hydrogels with tunable gelation kinetics, mechanical properties and bioactivity for cell culture and encapsulation. Biomaterials 2020; 232:119720. [PMID: 31896515 PMCID: PMC7667870 DOI: 10.1016/j.biomaterials.2019.119720] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 12/14/2019] [Accepted: 12/20/2019] [Indexed: 12/18/2022]
Abstract
Silk fibroin (SF) was enzymatically crosslinked with tyramine-substituted silk fibroin (SF-TA) or gelatin (G-TA) to fabricate hybrid hydrogels with tunable gelation kinetics, mechanical properties and bioactivity. Horseradish peroxidase (HRP)/hydrogen peroxide (H2O2) mediated crosslinking of SF in physiological buffers results in slow gelation and limited mechanical properties. Moreover, SF lacks cell attachment sequences, leading to poor cell-material interactions. These shortcomings can limit the uses of enzymatically crosslinked silk hydrogels in injectable tissue fillings, 3D bioprinting or cell microencapsulation, where rapid gelation and high bioactivity are desired. Here SF/SF-TA and SF/G-TA composite hydrogels were characterized for hydrogel properties and the influence of conjugated cyclic arginine-glycine-aspartic acid (RGD) peptide or G-TA content on bioactivity was explored. Both SF-TA and G-TA significantly increased gelation kinetics, improved mechanical properties and delayed enzymatic degradation in a concentration-dependent manner. β-Sheet formation and hydrogel stiffening were accelerated by SF-TA content but delayed by G-TA. Both cyclic RGD and G-TA significantly improved morphology and metabolic activity of human mesenchymal stem cells (hMSCs) cultured on or encapsulated in composite hydrogels. The hydrogel formulations introduced in this study provide improved control of gel formation and properties, along with biocompatible systems that can be utilized in tissue engineering and cell delivery applications.
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Affiliation(s)
- Onur Hasturk
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA, 02155, USA
| | - Kathryn E Jordan
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA, 02155, USA
| | - Jaewon Choi
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA, 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA, 02155, USA.
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19
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Guebitz GM, Nyanhongo GS. Enzymes as Green Catalysts and Interactive Biomolecules in Wound Dressing Hydrogels. Trends Biotechnol 2018; 36:1040-1053. [DOI: 10.1016/j.tibtech.2018.05.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 05/16/2018] [Accepted: 05/21/2018] [Indexed: 02/08/2023]
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20
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Abstract
The conjugation of biomolecules can impart materials with the bioactivity necessary to modulate specific cell behaviors. While the biological roles of particular polypeptide, oligonucleotide, and glycan structures have been extensively reviewed, along with the influence of attachment on material structure and function, the key role played by the conjugation strategy in determining activity is often overlooked. In this review, we focus on the chemistry of biomolecule conjugation and provide a comprehensive overview of the key strategies for achieving controlled biomaterial functionalization. No universal method exists to provide optimal attachment, and here we will discuss both the relative advantages and disadvantages of each technique. In doing so, we highlight the importance of carefully considering the impact and suitability of a particular technique during biomaterial design.
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Affiliation(s)
- Christopher D. Spicer
- Department
of Medical Biochemistry and Biophysics, Karolinska Institutet, Scheeles Väg 2, Stockholm, Sweden
| | - E. Thomas Pashuck
- NJ
Centre for Biomaterials, Rutgers University, 145 Bevier Road, Piscataway, New Jersey United States
| | - Molly M. Stevens
- Department
of Medical Biochemistry and Biophysics, Karolinska Institutet, Scheeles Väg 2, Stockholm, Sweden
- Department
of Materials, Department of Bioengineering, and Institute of Biomedical Engineering, Imperial College London, Exhibition Road, London, United Kingdom
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21
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Sakai S, Kamei H, Mori T, Hotta T, Ohi H, Nakahata M, Taya M. Visible Light-Induced Hydrogelation of an Alginate Derivative and Application to Stereolithographic Bioprinting Using a Visible Light Projector and Acid Red. Biomacromolecules 2018; 19:672-679. [PMID: 29393630 DOI: 10.1021/acs.biomac.7b01827] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Visible light-induced hydrogelation is attractive for various biomedical applications. In this study, hydrogels of alginate with phenolic hydroxyl groups (Alg-Ph) were obtained by irradiating a solution containing the polymer, ruthenium II trisbipyridyl chloride ([Ru(bpy)3]2+) and sodium persulfate (SPS), with visible light. The hydrogelation kinetics and the mechanical properties of the resultant hydrogels were tunable by controlling the intensity of the light and the concentrations of [Ru(bpy)3]2+ and SPS. With appropriate concentrations of [Ru(bpy)3]2+ and SPS, the hydrogel could be obtained following approximately 10 s of irradiation using a normal desktop lamp. The hydrogelation process and the resultant hydrogel were cytocompatible; mouse fibroblast cells enclosed in the Alg-Ph hydrogel maintained more than 90% viability for 1 week. The solution containing Alg-Ph, [Ru(bpy)3]2+ and SPS was useful as a bioink for stereolithographic bioprinting. Cell-laden hydrogel constructs could be printed using the bioprinting system equipped with a visible light projector without a significant decrease in cell viability in the presence of photoabsorbent Acid Red 18. The hydrogel construct including a perfusable helical lumen of 1 mm in diameter could be fabricated using the printing system. These results demonstrate the significant potential of this visible light-induced hydrogelation system and the stereolithographic bioprinting using the hydrogelation system for tissue engineering and regenerative medicine.
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Affiliation(s)
| | | | - Toko Mori
- Shitennoji Senior High School , 1-11-73 Shitennoji, Tennoji, Osaka 543-0051, Japan.,JST Global Science Campus , 4-1-8 Honmachi, Kawaguchi, Saitama 332-0013, Japan
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22
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Sakai S, Nakahata M. Horseradish Peroxidase Catalyzed Hydrogelation for Biomedical, Biopharmaceutical, and Biofabrication Applications. Chem Asian J 2017; 12:3098-3109. [DOI: 10.1002/asia.201701364] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Shinji Sakai
- Department of Materials Science and Engineering; Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama-cho Toyonaka Osaka Japan
| | - Masaki Nakahata
- Department of Materials Science and Engineering; Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama-cho Toyonaka Osaka Japan
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23
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Jo BS, Lee Y, Suh JS, Park YS, Lee HJ, Lee JY, Cho J, Lee G, Chung CP, Park KD, Park YJ. A novel calcium-accumulating peptide/gelatin in situ
forming hydrogel for enhanced bone regeneration. J Biomed Mater Res A 2017; 106:531-542. [DOI: 10.1002/jbm.a.36257] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 07/26/2017] [Accepted: 09/14/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Beom Soo Jo
- Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
| | - Yunki Lee
- Department of Molecular Science and Technology; Ajou University; Suwon 16499 South Korea
| | - Jin Sook Suh
- Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
| | - Yoon Shin Park
- Major in Microbiology, School of Biological Sciences; College of Natural Sciences, Chungbuk National University; Cheongju Chungbuk 28644 South Korea
| | - Hyun Jung Lee
- Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
| | - Jue-Yeon Lee
- Central Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC); Seoul 03080 South Korea
| | - Jaejin Cho
- Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
| | - Gene Lee
- Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
| | - Chong Pyoung Chung
- Central Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC); Seoul 03080 South Korea
| | - Ki Dong Park
- Department of Molecular Science and Technology; Ajou University; Suwon 16499 South Korea
| | - Yoon Jeong Park
- Department of Dental Regenerative Bioengineering and Dental Research Institute; School of Dentistry, Seoul National University; Seoul 03080 South Korea
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24
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Wang C, Liu Y, Fan Y, Li X. The use of bioactive peptides to modify materials for bone tissue repair. Regen Biomater 2017; 4:191-206. [PMID: 28596916 PMCID: PMC5458541 DOI: 10.1093/rb/rbx011] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 03/08/2017] [Accepted: 03/11/2017] [Indexed: 01/05/2023] Open
Abstract
It has been well recognized that the modification of biomaterials with appropriate bioactive peptides could further enhance their functions. Especially, it has been shown that peptide-modified bone repair materials could promote new bone formation more efficiently compared with conventional ones. The purpose of this article is to give a general review of recent studies on bioactive peptide-modified materials for bone tissue repair. Firstly, the main peptides for inducing bone regeneration and commonly used methods to prepare peptide-modified bone repair materials are introduced. Then, current in vitro and in vivo research progress of peptide-modified composites used as potential bone repair materials are reviewed and discussed. Generally speaking, the recent related studies have fully suggested that the modification of bone repair materials with osteogenic-related peptides provide promising strategies for the development of bioactive materials and substrates for enhanced bone regeneration and the therapy of bone tissue diseases. Furthermore, we have proposed some research trends in the conclusion and perspectives part.
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Affiliation(s)
- Cunyang Wang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Yan Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
- School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Xiaoming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
- Key Laboratory of Advanced Materials of Ministry of Education of China, Tsinghua University, Beijing 100084, China
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25
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Liu M, Zeng X, Ma C, Yi H, Ali Z, Mou X, Li S, Deng Y, He N. Injectable hydrogels for cartilage and bone tissue engineering. Bone Res 2017; 5:17014. [PMID: 28584674 PMCID: PMC5448314 DOI: 10.1038/boneres.2017.14] [Citation(s) in RCA: 631] [Impact Index Per Article: 90.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 01/08/2017] [Accepted: 01/10/2017] [Indexed: 12/17/2022] Open
Abstract
Tissue engineering has become a promising strategy for repairing damaged cartilage and bone tissue. Among the scaffolds for tissue-engineering applications, injectable hydrogels have demonstrated great potential for use as three-dimensional cell culture scaffolds in cartilage and bone tissue engineering, owing to their high water content, similarity to the natural extracellular matrix (ECM), porous framework for cell transplantation and proliferation, minimal invasive properties, and ability to match irregular defects. In this review, we describe the selection of appropriate biomaterials and fabrication methods to prepare novel injectable hydrogels for cartilage and bone tissue engineering. In addition, the biology of cartilage and the bony ECM is also summarized. Finally, future perspectives for injectable hydrogels in cartilage and bone tissue engineering are discussed.
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Affiliation(s)
- Mei Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, PR China
| | - Xin Zeng
- Nanjing Maternity and Child Health Care Hospital, Nanjing, PR China
| | - Chao Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, PR China
| | - Huan Yi
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, PR China
| | - Zeeshan Ali
- School of Applied Chemistry and Biotechnology, Shenzhen Polytechnic, Shenzhen, PR China
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, PR China
| | - Xianbo Mou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, PR China
| | - Song Li
- Hunan Key Laboratory of Green Chemistry and Application of Biological Nanotechnology, Hunan University of Technology, Zhuzhou, PR China
| | - Yan Deng
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, PR China
- Hunan Key Laboratory of Green Chemistry and Application of Biological Nanotechnology, Hunan University of Technology, Zhuzhou, PR China
| | - Nongyue He
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, PR China
- Hunan Key Laboratory of Green Chemistry and Application of Biological Nanotechnology, Hunan University of Technology, Zhuzhou, PR China
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Linh NTB, Abueva CDG, Lee BT. Enzymatic in situ formed hydrogel from gelatin-tyramine and chitosan-4-hydroxylphenyl acetamide for the co-delivery of human adipose-derived stem cells and platelet-derived growth factor towards vascularization. ACTA ACUST UNITED AC 2017; 12:015026. [PMID: 28233762 DOI: 10.1088/1748-605x/aa5b6b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
An injectable, in situ forming hydrogel system capable of co-delivering human adipose-derived stem cells (hADSC) and platelet-derived growth factor (PDGF) was investigated as a new system for tissue engineering, envisaged to support vascularization. The system consists of tyramine-conjugated gelatin and hydroxyphenyl acetamide chitosan derivative. Both are soluble and stable at physiologic conditions, which is a key factor for retaining viable cells and active growth factor. In situ gelation involved enzymatic crosslinking using horseradish peroxidase as a catalyst and hydrogen peroxide as an oxidant. Gel formation occurred within 30-90 s by controlling the concentration of polymers. PDGF release showed adequate release kinetics within the intended period of time and hADSC showed good compatibility with the hydrogel formulation based on the in vitro assay and subcutaneous implantation into BALB/c-nu/nu nude female mice. Immunohistochemical analysis confirmed viability of delivered hADSC. Histological analysis showed no immune reaction and confirmed blood vessel formation. The results implicate the hydrogel as a promising delivery vehicle or carrier of both cell and growth factor, which support vascularization for tissue engineering applications.
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Affiliation(s)
- Nguyen Thuy Ba Linh
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 330-090, Republic of Korea. Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, 330-090, Republic of Korea
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Hoang Thi TT, Lee Y, Ryu SB, Sung HJ, Park KD. Oxidized cyclodextrin-functionalized injectable gelatin hydrogels as a new platform for tissue-adhesive hydrophobic drug delivery. RSC Adv 2017. [DOI: 10.1039/c7ra04137c] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Dual-functional injectable gelatin-based hydrogels utilizing oxidized β-cyclodextrin show high adhesiveness and hydrophobic drug supply.
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Affiliation(s)
- Thai Thanh Hoang Thi
- Department of Molecular Science and Technology
- Ajou University
- Suwon 443-749
- Republic of Korea
| | - Yunki Lee
- Department of Molecular Science and Technology
- Ajou University
- Suwon 443-749
- Republic of Korea
- Department of Biomedical Engineering
| | - Seung Bae Ryu
- Department of Molecular Science and Technology
- Ajou University
- Suwon 443-749
- Republic of Korea
| | - Hak-Joon Sung
- Department of Biomedical Engineering
- Vanderbilt University
- Nashville
- USA
| | - Ki Dong Park
- Department of Molecular Science and Technology
- Ajou University
- Suwon 443-749
- Republic of Korea
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28
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Campagnolo P, Gormley AJ, Chow LW, Guex AG, Parmar PA, Puetzer JL, Steele JAM, Breant A, Madeddu P, Stevens MM. Pericyte Seeded Dual Peptide Scaffold with Improved Endothelialization for Vascular Graft Tissue Engineering. Adv Healthc Mater 2016; 5:3046-3055. [PMID: 27782370 DOI: 10.1002/adhm.201600699] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 09/23/2016] [Indexed: 01/22/2023]
Abstract
The development of synthetic vascular grafts for coronary artery bypass is challenged by insufficient endothelialization, which increases the risk of thrombosis, and the lack of native cellular constituents, which favors pathological remodeling. Here, a bifunctional electrospun poly(ε-caprolactone) (PCL) scaffold with potential for synthetic vascular graft applications is presented. This scaffold incorporates two tethered peptides: the osteopontin-derived peptide (Adh) on the "luminal" side and a heparin-binding peptide (Hep) on the "abluminal" side. Additionally, the "abluminal" side of the scaffold is seeded with saphenous vein-derived pericytes (SVPs) as a source of proangiogenic growth factors. The Adh peptide significantly increases endothelial cell adhesion, while the Hep peptide promotes accumulation of vascular endothelial growth factor secreted by SVPs. SVPs increase endothelial migration both in a transwell assay and a modified scratch assay performed on the PCL scaffold. Seeding of SVPs on the "abluminal"/Hep side of the scaffold further increases endothelial cell density, indicating a combinatory effect of the peptides and pericytes. Finally, SVP-seeded scaffolds are preserved by freezing in a xeno-free medium, maintaining good cell viability and function. In conclusion, this engineered scaffold combines patient-derived pericytes and spatially organized functionalities, which synergistically increase endothelial cell density and growth factor retention.
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Affiliation(s)
- Paola Campagnolo
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Adam J. Gormley
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Lesley W. Chow
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Anne Géraldine Guex
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
- National Heart and Lung Institute; Imperial College London; 435 Du Cane Road W12 0NN London UK
| | - Paresh A. Parmar
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Jennifer L. Puetzer
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Joseph A. M. Steele
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Alexandre Breant
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
| | - Paolo Madeddu
- Bristol Heart Institute; University of Bristol; Bristol Royal Infirmary; Upper Maudlin St BS2 8HW Bristol UK
| | - Molly M. Stevens
- Department of Materials; Department of Bioengineering and Institute of Biomedical Engineering; Royal School of Mines; Imperial College London; Prince Consort Rd SW7 2AZ London UK
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Kim BY, Lee Y, Son JY, Park KM, Park KD. Dual Enzyme-Triggered In Situ Crosslinkable Gelatin Hydrogels for Artificial Cellular Microenvironments. Macromol Biosci 2016; 16:1570-1576. [DOI: 10.1002/mabi.201600312] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 08/02/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Bae Young Kim
- Department of Molecular Science and Technology; Ajou University; 206 Worldcup-ro Yeontong-gu Suwon 16499 South Korea
| | - Yunki Lee
- Department of Molecular Science and Technology; Ajou University; 206 Worldcup-ro Yeontong-gu Suwon 16499 South Korea
| | - Joo Young Son
- Department of Molecular Science and Technology; Ajou University; 206 Worldcup-ro Yeontong-gu Suwon 16499 South Korea
| | - Kyung Min Park
- Division of Bioengineering; College of Life Sciences and Bioengineering; Incheon National University; 119 Academy-ro Yeonsu-gu Incheon 22012 South Korea
| | - Ki Dong Park
- Department of Molecular Science and Technology; Ajou University; 206 Worldcup-ro Yeontong-gu Suwon 16499 South Korea
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30
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Pountos I, Panteli M, Lampropoulos A, Jones E, Calori GM, Giannoudis PV. The role of peptides in bone healing and regeneration: a systematic review. BMC Med 2016; 14:103. [PMID: 27400961 PMCID: PMC4940902 DOI: 10.1186/s12916-016-0646-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Bone tissue engineering and the research surrounding peptides has expanded significantly over the last few decades. Several peptides have been shown to support and stimulate the bone healing response and have been proposed as therapeutic vehicles for clinical use. The aim of this comprehensive review is to present the clinical and experimental studies analysing the potential role of peptides for bone healing and bone regeneration. METHODS A systematic review according to PRISMA guidelines was conducted. Articles presenting peptides capable of exerting an upregulatory effect on osteoprogenitor cells and bone healing were included in the study. RESULTS Based on the available literature, a significant amount of experimental in vitro and in vivo evidence exists. Several peptides were found to upregulate the bone healing response in experimental models and could act as potential candidates for future clinical applications. However, from the available peptides that reached the level of clinical trials, the presented results are limited. CONCLUSION Further research is desirable to shed more light into the processes governing the osteoprogenitor cellular responses. With further advances in the field of biomimetic materials and scaffolds, new treatment modalities for bone repair will emerge.
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Affiliation(s)
- Ippokratis Pountos
- Department of Trauma & Orthopaedics, School of Medicine, University of Leeds, Leeds, UK
| | - Michalis Panteli
- Department of Trauma & Orthopaedics, School of Medicine, University of Leeds, Leeds, UK
| | | | - Elena Jones
- Unit of Musculoskeletal Disease, Leeds Institute of Rheumatic and Musculoskeletal Medicine, St. James University Hospital, University of Leeds, LS9 7TF, Leeds, UK
| | - Giorgio Maria Calori
- Department of Trauma & Orthopaedics, School of Medicine, ISTITUTO ORTOPEDICO GAETANO PINI, Milan, Italy
| | - Peter V Giannoudis
- Department of Trauma & Orthopaedics, School of Medicine, University of Leeds, Leeds, UK. .,NIHR Leeds Biomedical Research Unit, Chapel Allerton Hospital, LS7 4SA Leeds, West Yorkshire, Leeds, UK.
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31
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Aduba DC, An SS, Selders GS, Wang J, Andrew Yeudall W, Bowlin GL, Kitten T, Yang H. Fabrication, characterization, and in vitro evaluation of silver-containing arabinoxylan foams as antimicrobial wound dressing. J Biomed Mater Res A 2016; 104:2456-65. [PMID: 27199211 DOI: 10.1002/jbm.a.35783] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 05/09/2016] [Accepted: 05/16/2016] [Indexed: 11/11/2022]
Abstract
Arabinoxylan ferulate (AXF) foams were fabricated via enzymatic peroxidase/hydrogen peroxide crosslinking reaction followed by freeze-drying and studied as a potential wound dressing material. The AXF foam's rheological, morphological, porous, and swelling properties were examined. AXF foams were found to be a viscoelastic material that proved to be highly porous and water absorbent. AXF foams possessed low endotoxin levels and were cytocompatible with fibroblasts. Silver was successfully integrated into AXF foams and slowly released over 48 h. AXF foams impregnated with silver demonstrated efficacy inhibiting bacterial growth according to a modified Kirby-Bauer disk diffusion susceptibility test. Overall, AXF foams possess appropriate material properties and the silver-loaded AXF foams showed antimicrobial activity necessary to be a candidate material in wound dressing development. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 2456-2465, 2016.
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Affiliation(s)
- Donald C Aduba
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia, 23284
| | - Seon-Sook An
- Philips Institute for Oral Health Research, Virginia Commonwealth University, Richmond, Virginia, 23298
| | - Gretchen S Selders
- Department of Biomedical Engineering, University of Memphis, Memphis, Tennessee, 38152
| | - Juan Wang
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia, 23219
| | - W Andrew Yeudall
- Department of Oral Biology, Augusta University, Augusta, Georgia, 30912
| | - Gary L Bowlin
- Department of Biomedical Engineering, University of Memphis, Memphis, Tennessee, 38152
| | - Todd Kitten
- Philips Institute for Oral Health Research, Virginia Commonwealth University, Richmond, Virginia, 23298
| | - Hu Yang
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia, 23219.,Department of Pharmaceutics, Virginia Commonwealth University, Richmond, Virginia, 23298.,Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia, 23298
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32
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Le Saux G, Plawinski L, Parrot C, Nlate S, Servant L, Teichmann M, Buffeteau T, Durrieu MC. Surface bound VEGF mimicking peptide maintains endothelial cell proliferation in the absence of soluble VEGF in vitro. J Biomed Mater Res A 2016; 104:1425-36. [PMID: 26845245 DOI: 10.1002/jbm.a.35677] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/23/2015] [Accepted: 02/02/2016] [Indexed: 01/13/2023]
Abstract
Continuous glucose monitoring is an efficient method for the management of diabetes and in limiting the complications induced by large fluctuations in glucose levels. For this, intravascular systems may assist in producing more reliable and accurate devices. However, neovascularization is a key factor to be addressed in improving their biocompatibility. In this scope, the perennial modification of the surface of an implant with the proangiogenic Vascular Endothelial Growth Factor mimic peptide (SVVYGLR peptide sequence) holds great promise. Herein, we report on the preparation of gold substrates presenting the covalently grafted SVVYGLR peptide sequence and their effect on HUVEC behavior. Effective coupling was demonstrated using XPS and PM-IRRAS. The produced surfaces were shown to be beneficial for HUVEC adhesion. Importantly, surface bound SVVYGLR is able to maintain HUVEC proliferation even in the absence of soluble VEGF. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 1425-1436, 2016.
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Affiliation(s)
| | | | - Camila Parrot
- Equipe Labellisée Contre Le Cancer, F-33607, Pessac, France
- INSERM, U869, ARNA Laboratory, Equipe Labellisée Contre Le Cancer, Bordeaux, F-33076, France
| | - Sylvain Nlate
- University of Bordeaux, CBMN, UMR 5248, Pessac, F-33600, France
| | - Laurent Servant
- University of Bordeaux, ISM, UMR 5255, Talence, F-33400, France
| | - Martin Teichmann
- Equipe Labellisée Contre Le Cancer, F-33607, Pessac, France
- INSERM, U869, ARNA Laboratory, Equipe Labellisée Contre Le Cancer, Bordeaux, F-33076, France
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33
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Enhanced Cellular Activity in Gelatin-Poly(Ethylene Glycol) Hydrogels without Compromising Gel Stiffness. Macromol Biosci 2015; 16:334-40. [DOI: 10.1002/mabi.201500327] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 10/08/2015] [Indexed: 12/17/2022]
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34
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Shim G, Kim G, Choi J, Yi T, Cho YK, Song SU, Byun Y, Oh YK. Biomimetic chimeric peptide-tethered hydrogels for human mesenchymal stem cell delivery. Colloids Surf B Biointerfaces 2015; 136:634-40. [DOI: 10.1016/j.colsurfb.2015.09.051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 08/11/2015] [Accepted: 09/26/2015] [Indexed: 01/11/2023]
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35
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Jun I, Lee YB, Choi YS, Engler AJ, Park H, Shin H. Transfer stamping of human mesenchymal stem cell patches using thermally expandable hydrogels with tunable cell-adhesive properties. Biomaterials 2015; 54:44-54. [DOI: 10.1016/j.biomaterials.2015.03.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 03/05/2015] [Accepted: 03/09/2015] [Indexed: 01/08/2023]
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36
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Oh SH, Bae JW, Kang JG, Kim IG, Son JY, Lee JY, Park KD, Lee JH. Dual growth factor-loaded in situ gel-forming bulking agent: passive and bioactive effects for the treatment of urinary incontinence. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2015; 26:5365. [PMID: 25578713 DOI: 10.1007/s10856-014-5365-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2014] [Accepted: 09/12/2014] [Indexed: 06/04/2023]
Abstract
Stress urinary incontinence (SUI) is one of the major medical problems for adult females and has a devastating effect on their quality of life. The major cause of the development of the SUI is dysfunction of the urethral supporting tissues as a result of aging and childbirth. In this study, in situ gel-forming bulking agent loaded with dual growth factors, nerve growth factor (NGF) and basic fibroblast growth factor (bFGF), was fabricated. The bulking agent consisted of three components; (i) polycaprolactone (PCL) beads, (ii) bFGF-loaded nanogels, and (iii) NGF-loaded in situ gel forming solution. The bulking agent can provide an initial passive bulking effect (from the PCL beads) and regenerate malfunctioning tissues around the urethra (from the sequential and continuous release of growth factors from the hydrogel) for the effective treatment of SUI. The PCL beads were located stably at the applied urethra site (urinary incontinent SD rat) without migration to provide a passive bulking effect. The sequential release of the growth factors (NGF within a week and bFGF for more than 4 weeks) from the bulking agent provided regeneration of damaged nerve and smooth muscle, and thus enhanced biological function around the urethra. From the findings, we suggest that dual growth factor (NGF and bFGF)-loaded in situ gel-forming bulking agent may be a promising injectable bioactive system for the treatment for SUI.
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Affiliation(s)
- Se Heang Oh
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, 119 Dandae Ro, Dongnam Gu, Cheonan, 330-714, Republic of Korea
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37
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Zhang X, Malhotra S, Molina M, Haag R. Micro- and nanogels with labile crosslinks – from synthesis to biomedical applications. Chem Soc Rev 2015; 44:1948-73. [DOI: 10.1039/c4cs00341a] [Citation(s) in RCA: 239] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We emphasize the synthetic strategies to produce micro-/nanogels and the importance of degradable linkers incorporated in the gel network.
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Affiliation(s)
- Xuejiao Zhang
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- Berlin 14195
- Germany
| | - Shashwat Malhotra
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- Berlin 14195
- Germany
| | - Maria Molina
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- Berlin 14195
- Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry
- Freie Universität Berlin
- Berlin 14195
- Germany
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38
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Pradal C, Grøndahl L, Cooper-White JJ. Hydrolytically Degradable Polyrotaxane Hydrogels for Drug and Cell Delivery Applications. Biomacromolecules 2014; 16:389-403. [DOI: 10.1021/bm501615p] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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39
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Peng Z, She Y, Chen L. Synthesis of poly(glutamic acid)-tyramine hydrogel by enzyme-mediated gelation for controlled release of proteins. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2014; 26:111-27. [DOI: 10.1080/09205063.2014.982931] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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40
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Bae JW, Choi JH, Lee Y, Park KD. Horseradish peroxidase-catalysed in situ-forming hydrogels for tissue-engineering applications. J Tissue Eng Regen Med 2014; 9:1225-32. [PMID: 24916126 DOI: 10.1002/term.1917] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 01/26/2014] [Accepted: 04/22/2014] [Indexed: 12/18/2022]
Abstract
In situ-forming hydrogels are an attractive class of implantable biomaterials that are used for biomedical applications. These injectable hydrogels are versatile and provide a convenient platform for delivering cells and drugs via minimally invasive surgery. Although several crosslinking methods for preparing in situ forming hydrogels have been developed over the past two decades, most hydrogels are not sufficiently versatile for use in a wide variety of tissue-engineering applications. In recent years, enzyme-catalysed crosslinking approaches have been emerged as a new approach for developing in situ-forming hydrogels. In particular, the horseradish peroxidase (HRP)-catalysed crosslinking approach has received increasing interest, due to its highly improved and tunable capacity to obtain hydrogels with desirable properties. The HRP-catalysed crosslinking reaction immediately occurs upon mixing phenol-rich polymers with HRP and hydrogen peroxide (H2O2) in aqueous media. Based on this unique gel-forming feature, recent studies have shown that various properties of formed hydrogels, such as gelation time, stiffness and degradation rate, can be easily manipulated by varying the concentrations of HRP and H2O2. In this review, we outline the versatile properties of HRP-catalysed in situ-forming hydrogels, with a brief introduction to the crosslinking mechanisms involved. In addition, the recent biomedical applications of HRP-catalysed in situ-forming hydrogels for tissue regeneration are described.
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Affiliation(s)
- Jin Woo Bae
- Department of Molecular Science and Technology, Ajou University, Woncheon, Yeongtong, Suwon, Republic of Korea
| | - Jong Hoon Choi
- Department of Molecular Science and Technology, Ajou University, Woncheon, Yeongtong, Suwon, Republic of Korea
| | - Yunki Lee
- Department of Molecular Science and Technology, Ajou University, Woncheon, Yeongtong, Suwon, Republic of Korea
| | - Ki Dong Park
- Department of Molecular Science and Technology, Ajou University, Woncheon, Yeongtong, Suwon, Republic of Korea
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41
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Enzymatic conjugation of a bioactive peptide into an injectable hyaluronic acid-tyramine hydrogel system to promote the formation of functional vasculature. Acta Biomater 2014; 10:2539-50. [PMID: 24561710 DOI: 10.1016/j.actbio.2014.02.022] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 01/30/2014] [Accepted: 02/11/2014] [Indexed: 11/23/2022]
Abstract
In this study, one-step enzyme-mediated preparation of a multi-functional injectable hyaluronic-acid-based hydrogel system is reported. Hydrogel was formed through the in situ coupling of phenol moieties by horseradish peroxidase (HRP) and hydrogen peroxide (H2O2), and bioactive peptides were simultaneously conjugated into the hydrogel during the gel formation process. The preparation of this multi-functional hydrogel was made possible by synthesizing peptides containing phenols which could couple with the phenol moieties of hyaluronic-acid-tyramine (HA-Tyr) during the HRP-mediated crosslinking reaction. Preliminary studies demonstrated that two phenol moieties per molecule resulted in a consistently high degree of conjugation into the HA-Tyr hydrogel network, unlike the one modified with one phenol moiety per molecule. Therefore, an Arg-Gly-Asp (RGD) peptide bearing two phenol moieties (phenol2-poly(ethylene glycol)-RGD) was designed for conjugation to endow the HA-Tyr hydrogel with adhesion signals and enhance its bioactivities. Human umbilical vein endothelial cells (HUVECs) cultured on or within the RGD-modified hydrogels showed significantly different adhesion behavior, from non-adherence on the HA-Tyr hydrogel to strong adhesion on hydrogels modified with phenol2-poly(ethylene glycol)-RGD. This altered cell adhesion behavior led to improved cell proliferation, migration and formation of capillary-like network in the hydrogel in vitro. More importantly, when HUVECs and human fibroblasts (HFF1) were encapsulated together in the RGD-modified HA-Tyr hydrogel, functional vasculature was observed inside the cell-laden gel after 2weeks in the subcutaneous tissue. Taken together, the in situ conjugation of phenol2-poly(ethylene glycol)-RGD into HA-Tyr hydrogel system, coupled with the ease of incorporating cells, offers a simple and effective means to introduce biological signals for preparation of multi-functional injectable hydrogels for tissue engineering application.
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42
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Lee SH, Kim IG, Jung AR, Shrestha KR, Lee JH, Park KD, Chung BH, Kim SW, Kim KH, Lee JY. Combined effects of brain-derived neurotrophic factor immobilized poly-lactic-co-glycolic acid membrane with human adipose-derived stem cells and basic fibroblast growth factor hydrogel on recovery of erectile dysfunction. Tissue Eng Part A 2014; 20:2446-54. [PMID: 24673637 DOI: 10.1089/ten.tea.2013.0495] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Erectile dysfunction (ED) is the most frequent long-term problem after radical prostatectomy. We aimed to evaluate whether the use of combination therapy with basic fibroblast growth factor (bFGF)-hydrogel on corpus cavernosum and with adipose-derived stem cells (ADSCs) and brain-derived neurotrophic factor (BDNF)-immobilized poly-lactic-co-glycolic acid (PLGA) membrane on the cavernous nerve (CN) could improve erectile function in a rat model of bilateral cavernous nerve crush injury (BCNI). Rats were randomly divided into five groups (n=15 per group): a normal group (N group), a group receiving saline application after bilateral cavernous nerve crush injury (BCNI), a group undergoing bFGF-hydrogel injection in the corpus cavernosum after BCNI (bFGF), a group receiving ADSC application covered with BDNF-membrane after BCNI (ADSC/BDNF), and a group undergoing coadministration of bFGF-hydrogel injection and BDNF-membrane with ADSCs after BDNF (bFGF+ADSC/BDNF). Four weeks postoperatively, the erectile function was assessed by detecting the ratio of intracavernous pressure (ICP) to mean arterial pressure (MAP). Smooth muscle and collagen contents were measured using Masson's trichrome staining. Neuronal nitric oxide synthase (nNOS) expression in the dorsal penile nerve was detected by immunostaining. The protein expression of the α-smooth muscle actin (α-SMA) and the cyclic guanosine monophosphate (cGMP) level of the corpus cavernosum were quantified by western blot and cGMP assay, respectively. In the bFGF+ADSC/BDNF group, the erectile function was significantly elevated compared with the BCNI and other treated groups and showed a significantly increased smooth muscle/collagen ratio, nNOS content, α-SMA expression, and cGMP level. In particular, there were no statistical differences in the ICP/MAP ratio, smooth muscle/collagen ratio, and α-SMA and cGMP levels between the bFGF+ADSC/BDNF group and normal group. Application of the BDNF-immobilized PLGA membrane with human ADSC into the CN and bFGF-incorporated hydrogel into the corpus carvernosum improved nearly normal erectile function in a rat model of postprostatectomy ED. This result suggests that a combined application of bFGF+ADSC/BDNF might be a promising treatment for postprostatectomy ED.
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Affiliation(s)
- Seung Hwan Lee
- 1 Department of Urology, Gangnam Severance Hospital, Yousei University Health System , Seoul, Korea
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Park KM, Son JY, Choi JH, Kim IG, Lee Y, Lee JY, Park KD. Macro/Nano-Gel Composite as an Injectable and Bioactive Bulking Material for the Treatment of Urinary Incontinence. Biomacromolecules 2014; 15:1979-84. [DOI: 10.1021/bm401787u] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Kyung Min Park
- Department
of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Joo Young Son
- Department
of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Jong Hoon Choi
- Department
of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - In Gul Kim
- Department
of Urology, Catholic University, Seoul St. Mary’s Hospital, Seoul 137-701, Republic of Korea
| | - Yunki Lee
- Department
of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Ji Youl Lee
- Department
of Urology, Catholic University, Seoul St. Mary’s Hospital, Seoul 137-701, Republic of Korea
| | - Ki Dong Park
- Department
of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
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Synthesis and Characterization of an Enzyme Mediated in situ Forming Hydrogel Based on Gum Tragacanth for Biomedical Applications. IRANIAN JOURNAL OF BIOTECHNOLOGY 2014. [DOI: 10.5812/ijb.15811] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chronopoulou L, Sennato S, Bordi F, Giannella D, Di Nitto A, Barbetta A, Dentini M, Togna AR, Togna GI, Moschini S, Palocci C. Designing unconventional Fmoc-peptide-based biomaterials: structure and related properties. SOFT MATTER 2014; 10:1944-52. [PMID: 24651999 DOI: 10.1039/c3sm52457d] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
We have recently employed L-amino acids in the lipase-catalyzed biofabrication of a class of self-assembling Fmoc-peptides that form 3-dimensional nanofiber scaffolds. Here we report that using d-amino acids, the homochiral self-assembling peptide Fmoc-D-Phe3 (Fmoc-F*F*F*) also forms a 3-dimensional nanofiber scaffold that is substantially distinguishable from its L-peptide and heterochiral peptide (F*FF and FF*F*) counterparts on the basis of their physico-chemical properties. Such chiral peptides self-assemble into ordered nanofibers with well defined fibrillar motifs. Circular dichroism and atomic force microscopy have been employed to study in depth such fibrillar peptide structures. Dexamethasone release kinetics from PLGA and CS-PLGA nanoparticles entrapped within the peptidic hydrogel matrix encourage its use for applications in drug controlled release.
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Affiliation(s)
- Laura Chronopoulou
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, Rome 00185, Italy.
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Liu T, Liu S, Zhang K, Chen J, Huang N. Endothelialization of implanted cardiovascular biomaterial surfaces: The development fromin vitrotoin vivo. J Biomed Mater Res A 2013; 102:3754-72. [DOI: 10.1002/jbm.a.35025] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 10/10/2013] [Accepted: 10/18/2013] [Indexed: 11/09/2022]
Affiliation(s)
- Tao Liu
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
| | - Shihui Liu
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
- Naton Institute of Medical Technology, Naton Medical Group; Peking China
| | - Kun Zhang
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
| | - Junying Chen
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
| | - Nan Huang
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
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Ashida T, Sakai S, Taya M. Competing two enzymatic reactions realizing one-step preparation of cell-enclosing duplex microcapsules. Biotechnol Prog 2013; 29:1528-34. [DOI: 10.1002/btpr.1800] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Indexed: 01/14/2023]
Affiliation(s)
- Tomoaki Ashida
- Div. of Chemical Engineering, Dept. of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama-cho, Toyonaka Osaka 560-8531 Japan
| | - Shinji Sakai
- Div. of Chemical Engineering, Dept. of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama-cho, Toyonaka Osaka 560-8531 Japan
| | - Masahito Taya
- Div. of Chemical Engineering, Dept. of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama-cho, Toyonaka Osaka 560-8531 Japan
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48
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Bae KH, Wang LS, Kurisawa M. Injectable biodegradable hydrogels: progress and challenges. J Mater Chem B 2013; 1:5371-5388. [PMID: 32261243 DOI: 10.1039/c3tb20940g] [Citation(s) in RCA: 201] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Over the past decades, injectable hydrogels have emerged as promising biomaterials because of their biocompatibility, excellent permeability, minimal invasion, and easy integration into surgical procedures. These systems provide an effective and convenient way to administer a wide variety of bioactive agents such as proteins, genes, and even living cells. Additionally, they can be designed to be degradable and eventually cleared from the body after completing their missions. Given their unique characteristics, injectable biodegradable hydrogels have been actively explored as drug reservoir systems for sustained release of bioactive agents and temporary extracellular matrices for tissue engineering. This review provides an overview of state-of-the-art strategies towards constructing a rational design of injectable biodegradable hydrogels for protein drug delivery and tissue engineering. We also discuss the use of injectable hydrogels for gene delivery systems and biomedical adhesives.
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Affiliation(s)
- Ki Hyun Bae
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos #04-01, Singapore 138669.
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