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Feng N, Zhao X, Hu J, Tang F, Liang S, Wu Q, Zhang C. Recent advance in preparation of lignin nanoparticles and their medical applications: A review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155711. [PMID: 38749074 DOI: 10.1016/j.phymed.2024.155711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 04/28/2024] [Accepted: 05/03/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND Lignin has attracted a lot of attention because it is non-toxic, renewable and biodegradable. Lignin nanoparticles (LNPs) have high specific surface area and specific surface charges. It provides LNPs with good antibacterial and antioxidant properties. LNPs preparation has become clear, however, the application remains in the early stages. PURPOSE A review centric research has been conducted, reviewing existing literature to accomplish a basic understanding of the medical applications of LNPs. METHODS Initially, we extensively counseled the heterogeneity of lignin from various sources. The size and morphology of LNPs from different preparation process were then discussed. Subsequently, we focused on the potential medical applications of LNPs, including drug delivery, wound healing, tissue engineering, and antibacterial agents. Lastly, we explained the significance of LNPs in terms of antibacterial, antioxidant and biocompatibility, especially highlighting the need for an integrated framework to understand a diverse range of medical applications of LNPs. RESULTS We outlined the chemical structure of different type of lignin, and highlighted the advanced methods for lignin nanoparticles preparation. Moreover, we provided an in-depth review of the potential applications of lignin nanoparticles in various medical fields, especially in drug carriers, wound dressings, tissue engineering components, and antimicrobial agents. CONCLUSION This review provides a detailed overview on the current state and progression of lignin nanoparticles for medical applications.
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Affiliation(s)
- Nianjie Feng
- School of Material Science and Chemical Engineering, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China
| | - Xiangdong Zhao
- School of Material Science and Chemical Engineering, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China
| | - Jiaxin Hu
- School of Material Science and Chemical Engineering, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China
| | - Fei Tang
- School of Material Science and Chemical Engineering, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China
| | - Shuang Liang
- School of Material Science and Chemical Engineering, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China
| | - Qian Wu
- School of Material Science and Chemical Engineering, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China.
| | - Chaoqun Zhang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642 China.
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Luo W, Zhang H, Wan R, Cai Y, Liu Y, Wu Y, Yang Y, Chen J, Zhang D, Luo Z, Shang X. Biomaterials-Based Technologies in Skeletal Muscle Tissue Engineering. Adv Healthc Mater 2024; 13:e2304196. [PMID: 38712598 DOI: 10.1002/adhm.202304196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/26/2024] [Indexed: 05/08/2024]
Abstract
For many clinically prevalent severe injuries, the inherent regenerative capacity of skeletal muscle remains inadequate. Skeletal muscle tissue engineering (SMTE) seeks to meet this clinical demand. With continuous progress in biomedicine and related technologies including micro/nanotechnology and 3D printing, numerous studies have uncovered various intrinsic mechanisms regulating skeletal muscle regeneration and developed tailored biomaterial systems based on these understandings. Here, the skeletal muscle structure and regeneration process are discussed and the diverse biomaterial systems derived from various technologies are explored in detail. Biomaterials serve not merely as local niches for cell growth, but also as scaffolds endowed with structural or physicochemical properties that provide tissue regenerative cues such as topographical, electrical, and mechanical signals. They can also act as delivery systems for stem cells and bioactive molecules that have been shown as key participants in endogenous repair cascades. To achieve bench-to-bedside translation, the typical effect enabled by biomaterial systems and the potential underlying molecular mechanisms are also summarized. Insights into the roles of biomaterials in SMTE from cellular and molecular perspectives are provided. Finally, perspectives on the advancement of SMTE are provided, for which gene therapy, exosomes, and hybrid biomaterials may hold promise to make important contributions.
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Affiliation(s)
- Wei Luo
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Hanli Zhang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Renwen Wan
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yuxi Cai
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yinuo Liu
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, P. R. China
| | - Yang Wu
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yimeng Yang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Jiani Chen
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, 999077, Hong Kong
| | - Zhiwen Luo
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Xiliang Shang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
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3
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Naser MA, Sayed AM, Abdelmoez W, El-Wakad MT, Abdo MS. Biodegradable suture development-based albumin composites for tissue engineering applications. Sci Rep 2024; 14:7912. [PMID: 38575715 PMCID: PMC10995150 DOI: 10.1038/s41598-024-58194-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 03/26/2024] [Indexed: 04/06/2024] Open
Abstract
Recent advancements in the field of biomedical engineering have underscored the pivotal role of biodegradable materials in addressing the challenges associated with tissue regeneration therapies. The spectrum of biodegradable materials presently encompasses ceramics, polymers, metals, and composites, each offering distinct advantages for the replacement or repair of compromised human tissues. Despite their utility, these biomaterials are not devoid of limitations, with issues such as suboptimal tissue integration, potential cytotoxicity, and mechanical mismatch (stress shielding) emerging as significant concerns. To mitigate these drawbacks, our research collective has embarked on the development of protein-based composite materials, showcasing enhanced biodegradability and biocompatibility. This study is dedicated to the elaboration and characterization of an innovative suture fabricated from human serum albumin through an extrusion methodology. Employing a suite of analytical techniques-namely tensile testing, scanning electron microscopy (SEM), and thermal gravimetric analysis (TGA)-we endeavored to elucidate the physicochemical attributes of the engineered suture. Additionally, the investigation extends to assessing the influence of integrating biodegradable organic modifiers on the suture's mechanical performance. Preliminary tensile testing has delineated the mechanical profile of the Filament Suture (FS), delineating tensile strengths spanning 1.3 to 9.616 MPa and elongation at break percentages ranging from 11.5 to 146.64%. These findings illuminate the mechanical versatility of the suture, hinting at its applicability across a broad spectrum of medical interventions. Subsequent analyses via SEM and TGA are anticipated to further delineate the suture's morphological features and thermal resilience, thereby enriching our comprehension of its overall performance characteristics. Moreover, the investigation delves into the ramifications of incorporating biodegradable organic constituents on the suture's mechanical integrity. Collectively, the study not only sheds light on the mechanical and thermal dynamics of a novel suture material derived from human serum albumin but also explores the prospective enhancements afforded by the amalgamation of biodegradable organic compounds, thereby broadening the horizon for future biomedical applications.
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Affiliation(s)
- Mohamed A Naser
- Faculty of Engineering, Biomedical Engineering Department, Minia University, Minia, Egypt.
- Faculty of Engineering, Biomedical Engineering Department, Helwan University, Helwan, Egypt.
| | - Ahmed M Sayed
- Faculty of Engineering, Biomedical Engineering Department, Helwan University, Helwan, Egypt.
- EECS Department, MSOE University, Milwaukee, United States.
| | - Wael Abdelmoez
- Faculty of Engineering, Chemical Engineering Department, Minia University, Minia, Egypt
| | - Mohamed Tarek El-Wakad
- Faculty of Engineering and Technology, Future University Egypt, Fifth Settlement, Cairo, Egypt
| | - Mohamed S Abdo
- Faculty of Engineering, Biomedical Engineering Department, Minia University, Minia, Egypt
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4
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Bhat HF, Amin N, Nasir Z, Nazir S, Bhat ZF, Malik AA, Ganai NA, Andrabi SM, Shah RA, Aadil RM, Sofi AH, Abdi G. Keratin as an effective coating material for in vitro stem cell culture, induced differentiation and wound healing assays. Heliyon 2024; 10:e27197. [PMID: 38463859 PMCID: PMC10923720 DOI: 10.1016/j.heliyon.2024.e27197] [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: 10/20/2023] [Revised: 02/16/2024] [Accepted: 02/26/2024] [Indexed: 03/12/2024] Open
Abstract
The utilization of stem cells in tissue engineering holds great promise as efficient tools for tissue regeneration and in treating numerous musculoskeletal diseases. However, several limiting factors, such as precise delivery and control of differentiation of these stem cells as well as mimicking the microenvironment required to modulate stem cell behaviour in-vivo, have given rise to an urgent need for the development of new biomaterials which could be tailored to enhance cell renewal and/or direct cell fates. Keratin-rich biological materials offer several advantages, such as biocompatibility, tailorable mechanical properties, huge bioavailability, non-toxicity, non-immunogenic, and intrinsic tissue repair and/or regeneration capabilities, which makes them highly valued. In the present work, we report the preparation of keratin-based bio-materials from goat hair waste and its effectiveness as a coating material for in vitro culture and induced differentiation of mesenchymal stem cells (MSC's) and primary goat fibroblast cells. Since no known keratinase enzymes are expressed as such in human and/or animal systems, these keratin biomaterials could be used to slow the rate of degradation and deliver keratin-loaded stem cell scaffolds to induce their directed differentiation in vivo. The generated keratin materials have been characterized for surface morphology, protein structures, size and other properties using SDS-PAGE, LC/MS-MS, SEM, FTIR etc. Also, in vitro cell culture assays such as cell adhesion, viability using MTT, live dead assays, differentiation assays and in vitro scratch/wound healing assays were performed. Our results provide important data supporting tissue engineering applications of these keratinous biomaterials by combining the unique biological characteristics of goat hair-derived keratin material with the regenerative power of stem cells and their combinatorial use in applications such as disease treatment and injury repair as well as their use in the preparation of wound healing products, such as dressings and bandages, for management of clinical care in animals.
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Affiliation(s)
- Hina F. Bhat
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Nuzhat Amin
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
- Department of Biotechnology, BGSB University, Rajouri, J&K, India
| | - Zarka Nasir
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Saba Nazir
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Zuhaib F. Bhat
- Division of Livestock Products Technology, SKUAST-Jammu, J&K, India
| | - Abrar A. Malik
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Nazir A. Ganai
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - S. Mudasir Andrabi
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Riaz A. Shah
- Division of Animal Biotechnology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Asif H. Sofi
- Division of Livestock Products Technology, SKUAST-Kashmir, Srinagar, J&K, 190006, India
| | - Gholamreza Abdi
- Department of Biotechnology, Persian Gulf Research Institute, Persian Gulf University, 75169, Iran
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5
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Priyadarsini SL, Suresh M, Nikhila G. Assessment framework for the selection of a potential interactive dressing material for diabetic foot ulcer. Heliyon 2023; 9:e16476. [PMID: 37292346 PMCID: PMC10245162 DOI: 10.1016/j.heliyon.2023.e16476] [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: 10/19/2022] [Revised: 05/14/2023] [Accepted: 05/17/2023] [Indexed: 06/10/2023] Open
Abstract
Diabetic foot ulcer is a chronic health issue leading to lower leg amputations in approximately 15% of patients with diabetics. There are many factors directly or indirectly involved in the physiology of wound healing but being a multisystem disorder, wound healing in diabetic patients retard or worsen with heavy exudates and severe microbial infections. Wound management is of prime importance and is an emerging area to incorporate wound regenerative materials in natural or synthetic dressing materials along with proper microbial control. The article aim to identify suitable dressing materials which exhibit inherent wound healing properties at the same time flexible to be used as drug carriers for slow, consistent and effective delivery of 'functional drugs' to the wound environment. The authors selected nine materials from the popular and well accepted dressings of patient choice, analyzed them using graph theoretic approach and ranked them on the basis of graph index values obtained. A critical review has also been done on the basis of their ranking, providing insights to the advantages, disadvantage and potential of top 5 ranked candidate materials. Alginate, Honey, Medifoam, Saline, and Hydrogel dressings were the top five candidate materials ranked respectively, even then, the authors suggests that 'modified hydrogels' can have the potential to be used as a future candidate in DFU treatment as it is the only material (among the top ranked ones) which can effectively used as regenerative drug carrier, while providing all other wound healing properties in relative proportions. The proposed framework can be modified and applied in the selection and ranking of materials for any kind of applications both in industry and medical fields by identifying factors influencing the final outcome of study and by listing the characteristics of the materials selected.
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Affiliation(s)
| | - M. Suresh
- Amrita School of Business, Amrita Vishwa Vidyapeetham, Coimbatore, 641112, India
| | - G. Nikhila
- Government Victoria College, University of Calicut, Palakkad, 678001, Kerala, India
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6
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Dutta P, Roy P, Sengupta N. Effects of External Perturbations on Protein Systems: A Microscopic View. ACS OMEGA 2022; 7:44556-44572. [PMID: 36530249 PMCID: PMC9753117 DOI: 10.1021/acsomega.2c06199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/14/2022] [Indexed: 06/17/2023]
Abstract
Protein folding can be viewed as the origami engineering of biology resulting from the long process of evolution. Even decades after its recognition, research efforts worldwide focus on demystifying molecular factors that underlie protein structure-function relationships; this is particularly relevant in the era of proteopathic disease. A complex co-occurrence of different physicochemical factors such as temperature, pressure, solvent, cosolvent, macromolecular crowding, confinement, and mutations that represent realistic biological environments are known to modulate the folding process and protein stability in unique ways. In the current review, we have contextually summarized the substantial efforts in unveiling individual effects of these perturbative factors, with major attention toward bottom-up approaches. Moreover, we briefly present some of the biotechnological applications of the insights derived from these studies over various applications including pharmaceuticals, biofuels, cryopreservation, and novel materials. Finally, we conclude by summarizing the challenges in studying the combined effects of multifactorial perturbations in protein folding and refer to complementary advances in experiment and computational techniques that lend insights to the emergent challenges.
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Affiliation(s)
- Pallab Dutta
- Department
of Biological Sciences, Indian Institute
of Science Education and Research (IISER) Kolkata, Mohanpur741246, India
| | - Priti Roy
- Department
of Biological Sciences, Indian Institute
of Science Education and Research (IISER) Kolkata, Mohanpur741246, India
- Department
of Chemistry, Oklahoma State University, Stillwater, Oklahoma74078, United States
| | - Neelanjana Sengupta
- Department
of Biological Sciences, Indian Institute
of Science Education and Research (IISER) Kolkata, Mohanpur741246, India
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Raza A, Mumtaz M, Hayat U, Hussain N, Ghauri MA, Bilal M, Iqbal HM. Recent advancements in extrudable gel-based bioinks for biomedical settings. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Tang Y, Wu B, Huang T, Wang H, Shi R, Lai W, Xiang L. Collision of Commonality and Personalization: Better Understanding of the Periosteum. TISSUE ENGINEERING PART B: REVIEWS 2022; 29:91-102. [PMID: 36006374 DOI: 10.1089/ten.teb.2022.0076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The periosteum is quite essential for bone repair. The excellent osteogenic properties of periosteal tissue make it a popular choice for accelerated osteogenesis in tissue engineering. With advances in research and technology, renewed attention has been paid to the periosteum. Recent studies have shown that the complexity of the periosteum is not only limited to histological features but also includes genetic and phenotypic features. In addition, the periosteum is proved to be quite site-specific in many ways. This brings challenges to the selection of periosteal donor sites. Limited understanding of the periosteum sets up barriers to developing optimal tissue regeneration strategies. A better understanding of periosteum could lead to better applications. Therefore, we reviewed the histological structure, gene expression, and function of the periosteum from both the commonality and personalization. It aims to discuss some obscure issues and untapped potential of periosteum and artificial periosteum in the application, where further theoretical research is needed. Overall, the site-specificity of the periosteum needs to be fully considered in future applications. However, significant further work is needed in relevant clinical trials to promote the further development of artificial periosteum.
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Affiliation(s)
- Yufei Tang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthdontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, China,
| | - Bingfeng Wu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,
| | - Tianyu Huang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,
| | - Haochen Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,
| | - Ruijianghan Shi
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,
| | - Wenli Lai
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthdontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan Province, China,
| | - Lin Xiang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, No 14th, 3rd section, Renmin South Road, Chengdu, 610041, China, Chengdu, Sichuan Province, China, 610041,
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Wang G, Yuan N, Li N, Wei Q, Qian Y, Zhang J, Qin M, Wang Y, Dong S. Vascular Endothelial Growth Factor Mimetic Peptide and Parathyroid Hormone (1-34) Delivered via a Blue-Light-Curable Hydrogel Synergistically Accelerate Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2022; 14:35319-35332. [PMID: 35881151 DOI: 10.1021/acsami.2c06159] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Safe and effective biomaterials are in urgent clinical need for tissue regeneration and bone repair. While numerous advances have been made on hydrogels promoting osteogenesis in bone formation, co-stimulation of the angiogenic pathways in this process remains to be exploited. Here, we have developed a gelatin-based blue-light-curable hydrogel system, functionalized with an angiogenic vascular endothelial growth factor (VEGF) mimetic peptide, KLTWQELYQLKYKGI (KLT), and an osteoanabolic peptide, parathyroid hormone (PTH) 1-34. We have discovered that the covalent modification of gelatin scaffold with peptides can modulate the physical properties and biological activities of the produced hydrogels. Furthermore, we have demonstrated that those two peptides orchestrate synergistically and promote bone regeneration in a rat cranial bone defect model with remarkable efficacy. This dual-peptide-functionalized hydrogel system may serve as a promising lead to functional biomaterials in bone repair and tissue engineering.
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Affiliation(s)
- Guiyan Wang
- National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, and Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Ning Yuan
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, and School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ningyu Li
- Department of Oral Comprehensive Treatment, Jilin University School and Hospital of Stomatology, Changchun 130021, China
| | - Qijia Wei
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, and School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yuping Qian
- Department of Prosthodontics, Jilin University School and Hospital of Stomatology, Changchun 130021, China
| | - Jun Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, and School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Man Qin
- National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, and Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Yuguang Wang
- National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, and Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Suwei Dong
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, and School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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Guimarães CF, Marques AP, Reis RL. Pushing the Natural Frontier: Progress on the Integration of Biomaterial Cues toward Combinatorial Biofabrication and Tissue Engineering. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2105645. [PMID: 35419887 DOI: 10.1002/adma.202105645] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 03/14/2022] [Indexed: 06/14/2023]
Abstract
The engineering of fully functional, biological-like tissues requires biomaterials to direct cellular events to a near-native, 3D niche extent. Natural biomaterials are generally seen as a safe option for cell support, but their biocompatibility and biodegradability can be just as limited as their bioactive/biomimetic performance. Furthermore, integrating different biomaterial cues and their final impact on cellular behavior is a complex equation where the outcome might be very different from the sum of individual parts. This review critically analyses recent progress on biomaterial-induced cellular responses, from simple adhesion to more complex stem cell differentiation, looking at the ever-growing possibilities of natural materials modification. Starting with a discussion on native material formulation and the inclusion of cell-instructive cues, the roles of shape and mechanical stimuli, the susceptibility to cellular remodeling, and the often-overlooked impact of cellular density and cell-cell interactions within constructs, are delved into. Along the way, synergistic and antagonistic combinations reported in vitro and in vivo are singled out, identifying needs and current lessons on the development of natural biomaterial libraries to solve the cell-material puzzle efficiently. This review brings together knowledge from different fields envisioning next-generation, combinatorial biomaterial development toward complex tissue engineering.
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Affiliation(s)
- Carlos F Guimarães
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Alexandra P Marques
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
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11
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Xu Y, Zhu H, Denduluri A, Ou Y, Erkamp NA, Qi R, Shen Y, Knowles TPJ. Recent Advances in Microgels: From Biomolecules to Functionality. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200180. [PMID: 35790106 DOI: 10.1002/smll.202200180] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/15/2022] [Indexed: 06/15/2023]
Abstract
The emerging applications of hydrogel materials at different length scales, in areas ranging from sustainability to health, have driven the progress in the design and manufacturing of microgels. Microgels can provide miniaturized, monodisperse, and regulatable compartments, which can be spatially separated or interconnected. These microscopic materials provide novel opportunities for generating biomimetic cell culture environments and are thus key to the advances of modern biomedical research. The evolution of the physical and chemical properties has, furthermore, highlighted the potentials of microgels in the context of materials science and bioengineering. This review describes the recent research progress in the fabrication, characterization, and applications of microgels generated from biomolecular building blocks. A key enabling technology allowing the tailoring of the properties of microgels is their synthesis through microfluidic technologies, and this paper highlights recent advances in these areas and their impact on expanding the physicochemical parameter space accessible using microgels. This review finally discusses the emerging roles that microgels play in liquid-liquid phase separation, micromechanics, biosensors, and regenerative medicine.
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Affiliation(s)
- Yufan Xu
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Hongjia Zhu
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Akhila Denduluri
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Yangteng Ou
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Nadia A Erkamp
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Runzhang Qi
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Yi Shen
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia
- The University of Sydney Nano Institute, University of Sydney, Sydney, NSW, 2006, Australia
| | - Tuomas P J Knowles
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
- Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK
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12
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Pardeshi S, Damiri F, Zehravi M, Joshi R, Kapare H, Prajapati MK, Munot N, Berrada M, Giram PS, Rojekar S, Ali F, Rahman MH, Barai HR. Functional Thermoresponsive Hydrogel Molecule to Material Design for Biomedical Applications. Polymers (Basel) 2022; 14:polym14153126. [PMID: 35956641 PMCID: PMC9371082 DOI: 10.3390/polym14153126] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/18/2022] [Accepted: 07/22/2022] [Indexed: 02/04/2023] Open
Abstract
Temperature-induced, rapid changes in the viscosity and reproducible 3-D structure formation makes thermos-sensitive hydrogels an ideal delivery system to act as a cell scaffold or a drug reservoir. Moreover, the hydrogels’ minimum invasiveness, high biocompatibility, and facile elimination from the body have gathered a lot of attention from researchers. This review article attempts to present a complete picture of the exhaustive arena, including the synthesis, mechanism, and biomedical applications of thermosensitive hydrogels. A special section on intellectual property and marketed products tries to shed some light on the commercial potential of thermosensitive hydrogels.
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Affiliation(s)
- Sagar Pardeshi
- Department of Pharmaceutical Technology, University Institute of Chemical Technology, KBC North Maharashtra University, Jalgaon 425001, Maharashtra, India;
| | - Fouad Damiri
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M’sick, University Hassan II of Casablanca, Casablanca 20000, Morocco; (F.D.); (M.B.)
| | - Mehrukh Zehravi
- Department of Clinical Pharmacy Girls Section, Prince Sattam Bin Abdul Aziz University Alkharj, Al-Kharj 11942, Saudi Arabia;
| | - Rohit Joshi
- Precision Nanosystems Inc., Vancouver, BC V6P 6T7, Canada;
| | - Harshad Kapare
- Department of Pharmaceutics, Dr. D.Y. Patil Institute of Pharmaceutical Sciences and Research, Pune 41118, Maharashtra, India;
| | - Mahendra Kumar Prajapati
- Department of Pharmaceutics, School of Pharmacy and Technology Management, SVKM’s NMIMS, Shirpur 425405, Maharashtra, India;
| | - Neha Munot
- Department of Pharmaceutics, School of Pharmacy, Vishwakarma University, Pune 411048, Maharashtra, India;
| | - Mohammed Berrada
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M’sick, University Hassan II of Casablanca, Casablanca 20000, Morocco; (F.D.); (M.B.)
| | - Prabhanjan S. Giram
- Department of Pharmaceutics, Dr. D.Y. Patil Institute of Pharmaceutical Sciences and Research, Pune 41118, Maharashtra, India;
- Department of Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14214, USA
- Correspondence: (P.S.G.); (S.R.); (H.R.B.)
| | - Satish Rojekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai 400019, Maharashtra, India
- Departments of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Correspondence: (P.S.G.); (S.R.); (H.R.B.)
| | - Faraat Ali
- Laboratory Services, Department of Licensing and Enforcement, Botswana Medicines Regulatory Authority (BoMRA), Gaborone 999106, Botswana;
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea;
| | - Hasi Rani Barai
- School of Mechanical and IT Engineering, Yeungnam University, Gyeongsan 38541, Korea
- Correspondence: (P.S.G.); (S.R.); (H.R.B.)
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13
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Miao C, Du J, Dou J, Wang C, Wang L, Yuan J, Shen J, Yin M. Facile fabrication of copper-incorporating poly(ε-caprolactone)/keratin mats for tissue-engineered vascular grafts with the potential of catalytic nitric oxide generation. J Mater Chem B 2022; 10:6158-6170. [PMID: 35904091 DOI: 10.1039/d2tb01031c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tissue-engineered vascular grafts (TEVGs) provide a new alternative for vascular construction. Nitric oxide (NO) is capable of promoting vascular tissue regeneration and reducing restenosis caused by vascular implantation. Therefore, in situ production of NO by catalytic decomposition of the endogenous donor is a promising strategy to fabricate a TEVG. In this study, poly(ε-caprolactone) (PCL) was first electrospun with keratin (Ker) to afford PCL/Ker mats and then incorporated with Cu(II) ions through multiple interactions. This strategy is very simple, green, and facile. Particularly, the incorporated Cu(II) ions were partially reduced to Cu(I) ions due to the reducibility of keratin. The chelated copper ions were expected to catalyze the generation of NO from endogenous S-nitrosothiol (RSNO). As a result, PCL/Ker-Cu mats selectively accelerated the adhesion, migration, and growth of human umbilical vein endothelial cells (HUVECs), while inhibiting the proliferation of human umbilical artery smooth muscle cells (HUASMCs). Furthermore, these mats exhibited excellent blood compatibility and significant antibacterial activity. Vascular implantation in vivo indicated that the tubular mats could inhibit thrombus formation and retain patency for 3 months after implantation in the rabbit carotid artery. More importantly, vascular remodeling was observed during follow-up, including a complete endothelium and smooth muscle layer. Taken together, the PCL/Ker-Cu mats have great potential application in vascular tissue regeneration.
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Affiliation(s)
- Cuie Miao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jun Du
- Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 1678 Dong Fang Road, Shanghai 200127, P. R. China.
| | - Jie Dou
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Chenshu Wang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Lijuan Wang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jiang Yuan
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jian Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China. .,Jiangsu Engineering Research Center of Interfacial Chemistry, Nanjing University, Nanjing, 210023, P. R. China
| | - Meng Yin
- Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 1678 Dong Fang Road, Shanghai 200127, P. R. China.
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14
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Brodin E, Boehmer M, Prentice A, Neff E, McCoy K, Mueller J, Saul J, Sparks JL. Extrusion 3D printing of keratin protein hydrogels free of exogenous chemical agents. Biomed Mater 2022; 17. [PMID: 35793683 DOI: 10.1088/1748-605x/ac7f15] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 07/06/2022] [Indexed: 11/11/2022]
Abstract
Keratins are a class of intermediate filament proteins that can be obtained from numerous sources including human hair. Materials fabricated from keratins offer desirable characteristics as scaffolds for tissue engineering, including intrinsic cell adhesion sequences and tunable degradation kinetics. The capacity to create 3D printed constructs from keratin-based bio-inks generates unique opportunities for spatial control of scaffold physicochemical properties to direct scaffold functions in ways not readily achieved through other means. The aim of this study was to leverage the controllable rheological properties of keratin hydrogels to create a strategy for extrusion 3D printing of keratin bio-inks without the use of exogenous rheological modifiers, crosslinking agents, or photocurable resins. The rheological properties of keratin hydrogels were tuned by varying two parameters: (a) the ratio of keratose (obtained by oxidative extraction of keratin) to kerateine (obtained by reductive extraction of keratin); and (b) the weight percentage of total keratin protein in the gel. A computational model of the dispensing nozzle for a commercially available extrusion 3D printer was developed to calculate the needed pneumatic printing pressures based on the known rheological properties of the gels. Keratin hydrogel constructs, of varying keratose/kerateine ratios and total keratin weight percentages, were 3D printed in cylindrical geometries via extrusion 3D printing. Rheology and degradation studies showed that gels with greater relative kerateine content exhibited greater flow resistance and slower degradation kinetics when submerged in phosphate buffered saline solution at 37 °C, owing to the presence of cysteine residues in kerateine and the capability of forming disulfide bonds. Total keratin weight percentage was found to influence gel yield stress, with possible implications for tuning filament fidelity. Findings from this work support the use of keratose/kerateine ratio and total keratin weight percentage as handles for modulating rheological characteristics of keratin hydrogels to enhance printability and control scaffold properties.
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Affiliation(s)
- Erik Brodin
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
| | - Melanie Boehmer
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
| | - Alexandra Prentice
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
| | - Emily Neff
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
| | - Kathleen McCoy
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
| | - Jens Mueller
- High Performance Computing Services, Miami University, Oxford, OH, United States of America
| | - Justin Saul
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
| | - Jessica L Sparks
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, OH, United States of America
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15
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Gruppuso M, Guagnini B, Musciacchio L, Bellemo F, Turco G, Porrelli D. Tuning the Drug Release from Antibacterial Polycaprolactone/Rifampicin-Based Core-Shell Electrospun Membranes: A Proof of Concept. ACS APPLIED MATERIALS & INTERFACES 2022; 14:27599-27612. [PMID: 35671365 PMCID: PMC9946292 DOI: 10.1021/acsami.2c04849] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The employment of coaxial fibers for guided tissue regeneration can be extremely advantageous since they allow the functionalization with bioactive compounds to be preserved and released with a long-term efficacy. Antibacterial coaxial membranes based on poly-ε-caprolactone (PCL) and rifampicin (Rif) were synthesized here, by analyzing the effects of loading the drug within the core or on the shell layer with respect to non-coaxial matrices. The membranes were, therefore, characterized for their surface properties in addition to analyzing drug release, antibacterial efficacy, and biocompatibility. The results showed that the lower drug surface density in coaxial fibers hinders the interaction with serum proteins, resulting in a hydrophobic behavior compared to non-coaxial mats. The air-plasma treatment increased their hydrophilicity, although it induced rifampicin degradation. Moreover, the substantially lower release of coaxial fibers influenced the antibacterial efficacy, tested against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa. Indeed, the coaxial matrices were inhibitory and bactericidal only against S. aureus, while the higher release from non-coaxial mats rendered them active even against E. coli. The biocompatibility of the released rifampicin was assessed too on murine fibroblasts, revealing no cytotoxic effects. Hence, the presented coaxial system should be further optimized to tune the drug release according to the antibacterial effectiveness.
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Affiliation(s)
- Martina Gruppuso
- Department
of Medicine, Surgery and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
| | - Benedetta Guagnini
- Department
of Medicine, Surgery and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
| | - Luigi Musciacchio
- Department
of Medicine, Surgery and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
| | - Francesca Bellemo
- Department
of Engineering and Architecture, University
of Trieste, Via Alfonso
Valerio 6/1, 34127 Trieste, Italy
| | - Gianluca Turco
- Department
of Medicine, Surgery and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
| | - Davide Porrelli
- Department
of Medicine, Surgery and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
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16
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Costa DCS, Costa PC, Gomes MC, Chandrakar A, Wieringa PA, Moroni L, Mano JF. Universal Strategy for Designing Shape Memory Hydrogels. ACS MATERIALS LETTERS 2022; 4:701-706. [PMID: 36568348 PMCID: PMC9777886 DOI: 10.1021/acsmaterialslett.2c00107] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Smart polymeric biomaterials have been the focus of many recent biomedical studies, especially those with adaptability to defects and potential to be implanted in the human body. Herein we report a versatile and straightforward method to convert non-thermoresponsive hydrogels into thermoresponsive systems with shape memory ability. As a proof of concept, a thermoresponsive polyurethane mesh was embedded within a methacrylated chitosan (CHTMA), gelatin (GELMA), laminarin (LAMMA) or hyaluronic acid (HAMA) hydrogel network, which afforded hydrogel composites with shape memory ability. With this system, we achieved good to excellent shape fixity ratios (50-90%) and excellent shape recovery ratios (∼100%, almost instantaneously) at body temperature (37 °C). Cytocompatibility tests demonstrated good viability either with cells on top or encapsulated during all shape memory processes. This straightforward approach opens a broad range of possibilities to convey shape memory properties to virtually any synthetic or natural-based hydrogel for several biological and nonbiological applications.
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Affiliation(s)
- Dora C. S. Costa
- Department
of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Patrícia
D. C. Costa
- Department
of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Maria C. Gomes
- Department
of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Amit Chandrakar
- MERLN
Institute for Technology-Inspired Regenerative Medicine, Department
of Complex Tissue Regeneration, Maastricht
University, 6229 ER Maastricht, The Netherlands
| | - Paul A. Wieringa
- MERLN
Institute for Technology-Inspired Regenerative Medicine, Department
of Complex Tissue Regeneration, Maastricht
University, 6229 ER Maastricht, The Netherlands
| | - Lorenzo Moroni
- MERLN
Institute for Technology-Inspired Regenerative Medicine, Department
of Complex Tissue Regeneration, Maastricht
University, 6229 ER Maastricht, The Netherlands
| | - João F. Mano
- Department
of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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17
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Suliman S, Mieszkowska A, Folkert J, Rana N, Mohamed-Ahmed S, Fuoco T, Finne-Wistrand A, Dirscherl K, Jørgensen B, Mustafa K, Gurzawska-Comis K. Immune-instructive copolymer scaffolds using plant-derived nanoparticles to promote bone regeneration. Inflamm Regen 2022; 42:12. [PMID: 35366945 PMCID: PMC8977008 DOI: 10.1186/s41232-022-00196-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 02/13/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Age-driven immune signals cause a state of chronic low-grade inflammation and in consequence affect bone healing and cause challenges for clinicians when repairing critical-sized bone defects in elderly patients.
Methods
Poly(l-lactide-co-ɛ-caprolactone) (PLCA) scaffolds are functionalized with plant-derived nanoparticles from potato, rhamnogalacturonan-I (RG-I), to investigate their ability to modulate inflammation in vitro in neutrophils and macrophages at gene and protein levels. The scaffolds’ early and late host response at gene, protein and histological levels is tested in vivo in a subcutaneous rat model and their potential to promote bone regeneration in an aged rodent was tested in a critical-sized calvaria bone defect. Significant differences were tested using one-way ANOVA, followed by a multiple-comparison Tukey’s test with a p value ≤ 0.05 considered significant.
Results
Gene expressions revealed PLCA scaffold functionalized with plant-derived RG-I with a relatively higher amount of galactose than arabinose (potato dearabinated (PA)) to reduce the inflammatory state stimulated by bacterial LPS in neutrophils and macrophages in vitro. LPS-stimulated neutrophils show a significantly decreased intracellular accumulation of galectin-3 in the presence of PA functionalization compared to Control (unmodified PLCA scaffolds). The in vivo gene and protein expressions revealed comparable results to in vitro. The host response is modulated towards anti-inflammatory/ healing at early and late time points at gene and protein levels. A reduced foreign body reaction and fibrous capsule formation is observed when PLCA scaffolds functionalized with PA were implanted in vivo subcutaneously. PLCA scaffolds functionalized with PA modulated the cytokine and chemokine expressions in vivo during early and late inflammatory phases. PLCA scaffolds functionalized with PA implanted in calvaria defects of aged rats downregulating pro-inflammatory gene markers while promoting osteogenic markers after 2 weeks in vivo.
Conclusion
We have shown that PLCA scaffolds functionalized with plant-derived RG-I with a relatively higher amount of galactose play a role in the modulation of inflammatory responses both in vitro and in vivo subcutaneously and promote the initiation of bone formation in a critical-sized bone defect of an aged rodent. Our study addresses the increasing demand in bone tissue engineering for immunomodulatory 3D scaffolds that promote osteogenesis and modulate immune responses.
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18
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Jeyaraman M, Muthu S, Jeyaraman N. Challenges in the clinical translation of exosomal therapy in regenerative medicine. Regen Med 2022; 17:193-197. [PMID: 35187971 DOI: 10.2217/rme-2022-0003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Affiliation(s)
- Madhan Jeyaraman
- Department of Orthopaedics, Faculty of Medicine - Sri Lalithambigai Medical College & Hospital, Dr. MGR Educational & Research Institute, Chennai, Tamil Nadu, 600095, India
- Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida, Uttar Pradesh, 201310, India
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, Uttar Pradesh, 226010, India
| | - Sathish Muthu
- Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida, Uttar Pradesh, 201310, India
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, Uttar Pradesh, 226010, India
- Department of Orthopaedics, Government Medical College & Hospital, Dindigul, Tamil Nadu, 624304, India
| | - Naveen Jeyaraman
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, Uttar Pradesh, 226010, India
- Department of Orthopaedics, Atlas Hospitals, Tiruchirappalli, Tamil Nadu, 620002, India
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19
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Modulation of Mesenchymal Stem Cells for Enhanced Therapeutic Utility in Ischemic Vascular Diseases. Int J Mol Sci 2021; 23:ijms23010249. [PMID: 35008675 PMCID: PMC8745455 DOI: 10.3390/ijms23010249] [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: 12/03/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stem cells are multipotent stem cells isolated from various tissue sources, including but not limited to bone marrow, adipose, umbilical cord, and Wharton Jelly. Although cell-mediated mechanisms have been reported, the therapeutic effect of MSCs is now recognized to be primarily mediated via paracrine effects through the secretion of bioactive molecules, known as the “secretome”. The regenerative benefit of the secretome has been attributed to trophic factors and cytokines that play neuroprotective, anti-angiogenic/pro-angiogenic, anti-inflammatory, and immune-modulatory roles. The advancement of autologous MSCs therapy can be hindered when introduced back into a hostile/disease environment. Barriers include impaired endogenous MSCs function, limited post-transplantation cell viability, and altered immune-modulatory efficiency. Although secretome-based therapeutics have gained popularity, many translational hurdles, including the heterogeneity of MSCs, limited proliferation potential, and the complex nature of the secretome, have impeded the progress. This review will discuss the experimental and clinical impact of restoring the functional capabilities of MSCs prior to transplantation and the progress in secretome therapies involving extracellular vesicles. Modulation and utilization of MSCs–secretome are most likely to serve as an effective strategy for promoting their ultimate success as therapeutic modulators.
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20
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Stepanovska J, Otahal M, Hanzalek K, Supova M, Matejka R. pH Modification of High-Concentrated Collagen Bioinks as a Factor Affecting Cell Viability, Mechanical Properties, and Printability. Gels 2021; 7:gels7040252. [PMID: 34940312 PMCID: PMC8700843 DOI: 10.3390/gels7040252] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/25/2021] [Accepted: 12/03/2021] [Indexed: 12/17/2022] Open
Abstract
The 3D bioprinting of cell-incorporated gels is a promising direction in tissue engineering applications. Collagen-based hydrogels, due to their similarity to extracellular matrix tissue, can be a good candidate for bioink and 3D bioprinting applications. However, low hydrogel concentrations of hydrogel (<10 mg/mL) provide insufficient structural support and, in highly concentrated gels, cell proliferation is reduced. In this study, we showed that it is possible to print highly concentrated collagen hydrogels with incorporated cells, where the viability of the cells in the gel remains very good. This can be achieved simply by optimizing the properties of the bioink, particularly the gel composition and pH modification, as well as by optimizing the printing parameters. The bioink composed of porcine collagen hydrogel with a collagen concentration of 20 mg/mL was tested, while the final bioink collagen concentration was 10 mg/mL. This bioink was modified with 0, 5, 9, 13, 17 and 20 μL/mL of 1M NaOH solution, which affected the resulting pH and gelling time. Cylindrical samples based on the given bioink, with the incorporation of porcine adipose-derived stromal cells, were printed with a custom 3D bioprinter. These constructs were cultivated in static conditions for 6 h, and 3 and 5 days. Cell viability and morphology were evaluated. Mechanical properties were evaluated by means of a compression test. Our results showed that optimal composition and the addition of 13 μL NaOH per mL of bioink adjusted the pH of the bioink enough to allow cells to grow and divide. This modification also contributed to a higher elastic modulus, making it possible to print structures up to several millimeters with sufficient mechanical resistance. We optimized the bioprinter parameters for printing low-viscosity bioinks. With this experiment, we showed that a high concentration of collagen gels may not be a limiting factor for cell proliferation.
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Affiliation(s)
- Jana Stepanovska
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna 3105, 272 01 Kladno, Czech Republic; (J.S.); (K.H.)
| | - Martin Otahal
- Department of Natural Sciences, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna 3105, 272 01 Kladno, Czech Republic;
| | - Karel Hanzalek
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna 3105, 272 01 Kladno, Czech Republic; (J.S.); (K.H.)
| | - Monika Supova
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Czech Academy of Sciences, 182 09 Prague, Czech Republic;
| | - Roman Matejka
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna 3105, 272 01 Kladno, Czech Republic; (J.S.); (K.H.)
- Correspondence: ; Tel.: +420-224-359-936
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21
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Ghandforoushan P, Golafshan N, Babu Kadumudi F, Castilho M, Dolatshahi-Pirouz A, Orive G. Injectable and adhesive hydrogels for dealing with wounds. Expert Opin Biol Ther 2021; 22:519-533. [PMID: 34793282 DOI: 10.1080/14712598.2022.2008353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
INTRODUCTION The development of wound dressing materials that combine healing properties, ability to self-repair the material damages, skin-friendly adhesive nature, and competent mechanical properties have surpassing functional importance in healthcare. Due to their specificity, hydrogels have been recognized as a new gateway in biological materials to treat dysfunctional tissues. The design and creation of injectable hydrogel-based scaffolds have extensively progressed in recent years to improve their therapeutic efficacy and to pave the way for their easy minimally invasive administration. Hence, injectable hydrogel biomaterials have been prepared to eventually translate into minimally invasive therapy and pose a lasting effect on regenerative medicine. AREAS COVERED This review highlights the recent development of adhesive and injectable hydrogels that have applications in wound healing and wound dressing. Such hydrogel materials are not only expected to improve therapeutic outcomes but also to facilitate the easy surgical process in both wound healing and dressing. EXPERT OPINION Wound healing seems to be an appealing approach for treating countless life-threatening disorders. With the average increase of life expectancy in human societies, an increase in demand for injectable skin replacements and drug delivery carriers for chronic wound healing is expected.
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Affiliation(s)
- Parisa Ghandforoushan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
| | - Nasim Golafshan
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Firoz Babu Kadumudi
- Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Miguel Castilho
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | | | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country Upv/ehu Paseo de La Universidad 7, Vitoria-Gasteiz, Spain.,Networking Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (Ciber-bbn), Vitoria-Gasteiz, Spain.,Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain.,University of the Basque Country, University Institute for Regenerative Medicine and Oral Implantology - Uirmi (Upv/ehu-fundación Eduardo Anitua), Vitoria, Spain
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22
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Affiliation(s)
- Guido Raos
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via L. Mancinelli 7, I-20131 Milano, Italy
| | - Bruno Zappone
- Consiglio Nazionale delle Ricerche - Istituto di Nanotecnologia (CNR-Nanotec), Via P. Bucci, 33/C, 87036 Rende (CS), Italy
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23
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Amna T, Hassan MS, El-Newehy MH, Alghamdi T, Moydeen Abdulhameed M, Khil MS. Biocompatibility Computation of Muscle Cells on Polyhedral Oligomeric Silsesquioxane-Grafted Polyurethane Nanomatrix. NANOMATERIALS 2021; 11:nano11112966. [PMID: 34835731 PMCID: PMC8620573 DOI: 10.3390/nano11112966] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/30/2021] [Accepted: 10/31/2021] [Indexed: 11/16/2022]
Abstract
This study was performed to appraise the biocompatibility of polyhedral oligomeric silsesquioxane (POSS)-grafted polyurethane (PU) nanocomposites as potential materials for muscle tissue renewal. POSS nanoparticles demonstrate effectual nucleation and cause noteworthy enhancement in mechanical and thermal steadiness as well as biocompatibility of resultant composites. Electrospun, well-aligned, POSS-grafted PU nanofibers were prepared. Physicochemical investigation was conducted using several experimental techniques, including scanning electron microscopy, energy dispersive X-ray spectroscopy, electron probe microanalysis, Fourier transform infrared spectroscopy, and X-ray diffraction pattern. Adding POSS molecules to PU did not influence the processability and morphology of the nanocomposite; however, we observed an obvious mean reduction in fiber diameter, which amplified specific areas of the POSS-grafted PU. Prospective biomedical uses of nanocomposite were also appraised for myoblast cell differentiation in vitro. Little is known about C2C12 cellular responses to PU, and there is no information regarding their interaction with POSS-grafted PU. The antimicrobial potential, anchorage, proliferation, communication, and differentiation of C2C12 on PU and POSS-grafted PU were investigated in this study. In conclusion, preliminary nanocomposites depicted superior cell adhesion due to the elevated free energy of POSS molecules and anti-inflammatory potential. These nanofibers were non-hazardous, and, as such, biomimetic scaffolds show high potential for cellular studies and muscle regeneration.
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Affiliation(s)
- Touseef Amna
- Department of Biology, Albaha University, Albaha 65779, Saudi Arabia;
- Correspondence: (T.A.); (M.-S.K.)
| | - Mallick Shamshi Hassan
- Department of Chemistry, Faculty of Science, Albaha University, Albaha 65779, Saudi Arabia;
| | - Mohamed H. El-Newehy
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (M.H.E.-N.); (M.M.A.)
| | - Tariq Alghamdi
- Department of Biology, Albaha University, Albaha 65779, Saudi Arabia;
| | - Meera Moydeen Abdulhameed
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (M.H.E.-N.); (M.M.A.)
| | - Myung-Seob Khil
- Department of Organic Materials and Fiber Engineering, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (T.A.); (M.-S.K.)
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Collagen Bioinks for Bioprinting: A Systematic Review of Hydrogel Properties, Bioprinting Parameters, Protocols, and Bioprinted Structure Characteristics. Biomedicines 2021; 9:biomedicines9091137. [PMID: 34572322 PMCID: PMC8468019 DOI: 10.3390/biomedicines9091137] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/05/2021] [Accepted: 08/27/2021] [Indexed: 01/01/2023] Open
Abstract
Bioprinting is a modern tool suitable for creating cell scaffolds and tissue or organ carriers from polymers that mimic tissue properties and create a natural environment for cell development. A wide range of polymers, both natural and synthetic, are used, including extracellular matrix and collagen-based polymers. Bioprinting technologies, based on syringe deposition or laser technologies, are optimal tools for creating precise constructs precisely from the combination of collagen hydrogel and cells. This review describes the different stages of bioprinting, from the extraction of collagen hydrogels and bioink preparation, over the parameters of the printing itself, to the final testing of the constructs. This study mainly focuses on the use of physically crosslinked high-concentrated collagen hydrogels, which represents the optimal way to create a biocompatible 3D construct with sufficient stiffness. The cell viability in these gels is mainly influenced by the composition of the bioink and the parameters of the bioprinting process itself (temperature, pressure, cell density, etc.). In addition, a detailed table is included that lists the bioprinting parameters and composition of custom bioinks from current studies focusing on printing collagen gels without the addition of other polymers. Last but not least, our work also tries to refute the often-mentioned fact that highly concentrated collagen hydrogel is not suitable for 3D bioprinting and cell growth and development.
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25
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Murphy R, Kordbacheh S, Skoulas D, Ng S, Suthiwanich K, Kasko AM, Cryan SA, Fitzgerald-Hughes D, Khademhosseini A, Sheikhi A, Heise A. Three-dimensionally printable shear-thinning triblock copolypeptide hydrogels with antimicrobial potency. Biomater Sci 2021; 9:5144-5149. [PMID: 34236349 DOI: 10.1039/d1bm00275a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Through rational design, block sequence controlled triblock copolypeptides comprising cysteine and tyrosine as well as a lysine or glutamic acid central block are devised. In these copolypeptides, each block contributes a specific property to the hydrogels to render them extrusion printable and antimicrobial. Three-dimensional (3D) printing of complex hydrogel structures with high shape retention is demonstrated. Moreover, composition dependent potent antimicrobial activity in contact-killing assays is elucidated.
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Affiliation(s)
- Robert Murphy
- Department of Chemistry, RCSI University of Medicine and Health Sciences, 123 St. Stephens Green, Dublin 2, Ireland.
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26
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Shih KW, Chen WC, Chang CH, Tai TE, Wu JC, Huang AC, Liu MC. Non-Muscular Invasive Bladder Cancer: Re-envisioning Therapeutic Journey from Traditional to Regenerative Interventions. Aging Dis 2021; 12:868-885. [PMID: 34094648 PMCID: PMC8139208 DOI: 10.14336/ad.2020.1109] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 11/09/2020] [Indexed: 01/01/2023] Open
Abstract
Non-muscular invasive bladder cancer (NMIBC) is one of the most common cancer and major cause of economical and health burden in developed countries. Progression of NMIBC has been characterized as low-grade (Ta) and high grade (carcinoma in situ and T1). The current surgical intervention for NMIBC includes transurethral resection of bladder tumor; however, its recurrence still remains a challenge. The BCG-based immunotherapy is much effective against low-grade NMIBC. BCG increases the influx of T cells at bladder cancer site and inhibits proliferation of bladder cancer cells. The chemotherapy is another traditional approach to address NMIBC by supplementing BCG. Notwithstanding, these current therapeutic measures possess limited efficacy in controlling NMIBC, and do not provide comprehensive long-term relief. Hence, biomaterials and scaffolds seem an effective medium to deliver therapeutic agents for restructuring bladder post-treatment. The regenerative therapies such as stem cells and PRP have also been explored for possible solution to NMIBC. Based on above-mentioned approaches, we have comprehensively analyzed therapeutic journey from traditional to regenerative interventions for the treatment of NMIBC.
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Affiliation(s)
- Kuan-Wei Shih
- 1Department of Urology, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Wei-Chieh Chen
- 1Department of Urology, Taipei Medical University Hospital, Taipei 11031, Taiwan.,2Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.,3TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan
| | - Ching-Hsin Chang
- 1Department of Urology, Taipei Medical University Hospital, Taipei 11031, Taiwan.,3TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan.,4Institute of Microbiology and Immunology, National Yang-Ming University, Taipei 11031, Taiwan
| | - Ting-En Tai
- 1Department of Urology, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Jeng-Cheng Wu
- 1Department of Urology, Taipei Medical University Hospital, Taipei 11031, Taiwan.,3TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan.,5Department of Education, Taipei Medical University Hospital, Taipei 11031, Taiwan.,6Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Andy C Huang
- 8Institute of Traditional Medicine, School of Medicine, National Yang-Ming University, Taipei,11221, Taiwan.,9Department of Urology, Department of Surgery, Taipei City Hospital Ren-Ai Branch, Taipei 10629, Taiwan
| | - Ming-Che Liu
- 1Department of Urology, Taipei Medical University Hospital, Taipei 11031, Taiwan.,2Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.,3TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan.,7Clinical Research Center, Taipei Medical University Hospital, Taipei 11031, Taiwan.,10School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
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Shakibania S, Ghazanfari L, Raeeszadeh-Sarmazdeh M, Khakbiz M. Medical application of biomimetic 4D printing. Drug Dev Ind Pharm 2021; 47:521-534. [PMID: 33307855 DOI: 10.1080/03639045.2020.1862179] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 10/15/2020] [Accepted: 11/16/2020] [Indexed: 12/18/2022]
Abstract
Additive manufacturing has attracted a lot of attention in fabrication of bio medical devices and structures in recent years. 4D printing, a new class of 3D printing where time is considered as a 4th dimension, allows us to build biological structures such as scaffolds, implants, and stents with dynamic performance mimicking the body's natural tissues. In order to properly exploit the capabilities of this fabrication method, understanding and exploiting the shape memory materials is critical. These 'smart' materials are responsive to the external stimuli which eliminates the need for utilizing the sensors, and batteries. These stimuli-triggered 'smart' materials possess a dynamic behavior unlike the static scaffolds based on conventional manufacturing techniques. In this review, recent advances on application of 4D printing for manufacturing of this type of materials and other high-performance biomaterials for medical applications have been discussed.
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Affiliation(s)
- Sara Shakibania
- Division of Biomedical Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Lida Ghazanfari
- Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC, USA
| | | | - Mehrdad Khakbiz
- Division of Biomedical Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
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Krüger-Genge A, Hauser S, Neffe AT, Liu Y, Lendlein A, Pietzsch J, Jung F. Response of Endothelial Cells to Gelatin-Based Hydrogels. ACS Biomater Sci Eng 2021; 7:527-540. [PMID: 33496571 DOI: 10.1021/acsbiomaterials.0c01432] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The establishment of confluent endothelial cell (EC) monolayers on implanted materials has been identified as a concept to avoid thrombus formation but is a continuous challenge in cardiovascular device engineering. Here, material properties of gelatin-based hydrogels obtained by reacting gelatin with varying amounts of lysine diisocyanate ethyl ester were correlated with the functional state of hydrogel contacting venous EC (HUVEC) and HUVEC's ability to form a monolayer on these hydrogels. The density of adherent HUVEC on the softest hydrogel at 37 °C (G' = 1.02 kPa, E = 1.1 ± 0.3 kPa) was significantly lower (125 mm-1) than on the stiffer hydrogels (920 mm-1; G' = 2.515 and 5.02 kPa, E = 4.8 ± 0.8 and 10.3 ± 1.2 kPa). This was accompanied by increased matrix metalloprotease activity (9 pmol·min-2 compared to 0.6 pmol·min-2) and stress fiber formation, while cell-to-cell contacts were comparable. Likewise, release of eicosanoids (e.g., prostacyclin release of 1.7 vs 0.2 pg·mL-1·cell-1) and the pro-inflammatory cytokine MCP-1 (8 vs <1.5 pg·mL-1·cell-1) was higher on the softer than on the stiffer hydrogels. The expressions of pro-inflammatory markers COX-2, COX-1, and RAGE were slightly increased on all hydrogels on day 2 (up to 200% of the control), indicating a weak inflammation; however, the levels dropped to below the control from day 6. The study revealed that hydrogels with higher moduli approached the status of a functionally confluent HUVEC monolayer. The results indicate the promising potential especially of the discussed gelatin-based hydrogels with higher G' as biomaterials for implants foreseen for the venous system.
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Affiliation(s)
- Anne Krüger-Genge
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany
| | - Sandra Hauser
- Department of Radiopharmaceutical and Chemical Biology, Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Axel T Neffe
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.,Helmholtz Virtual Institute - Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany
| | - Yue Liu
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany
| | - Andreas Lendlein
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.,Helmholtz Virtual Institute - Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany.,Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Jens Pietzsch
- Department of Radiopharmaceutical and Chemical Biology, Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Bautzner Landstrasse 400, 01328 Dresden, Germany.,School of Science, Faculty of Chemistry and Food Chemistry, Technical University Dresden, 01062 Dresden, Germany
| | - Friedrich Jung
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.,Helmholtz Virtual Institute - Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany
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Schneider WDH, Dillon AJP, Camassola M. Lignin nanoparticles enter the scene: A promising versatile green tool for multiple applications. Biotechnol Adv 2020; 47:107685. [PMID: 33383155 DOI: 10.1016/j.biotechadv.2020.107685] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/23/2020] [Accepted: 12/22/2020] [Indexed: 02/02/2023]
Abstract
Strategies to take advantage of residual lignin from industrial processes are well regarded in the field of green chemistry and biotechnology. Quite recently, researchers transformed lignin into nanomaterials, such as nanoparticles, nanofibers, nanofilms, nanocapsules and nanotubes, attracting increasing attention from the scientific community. Lignin nanoparticles are seen as green way to use high-value renewable resources for application in different fields because recent studies have shown they are non-toxic in reasonable concentrations (both in vitro and in vivo assays), inexpensive (a waste generated in the biorefinery, for example, from the bioethanol platform) and potentially biodegradable (by fungi and bacteria in nature). Promising studies have tested lignin nanoparticles for antioxidants, UV-protectants, heavy metal absorption, antimicrobials, drugs carriers, gene delivery systems, encapsulation of molecules, biocatalysts, supercapacitors, tissue engineering, hybrid nanocomposites, wound dressing, and others. These nanoparticles can be produced from distinct lignin types and by different chemical/physical/biological methods, which will result in varied characteristics for their morphology, shape, size, yield and stability. Therefore, taking into account that the theme "lignin nanoparticles" is a trending topic, this present review is emerging and has the discuss the current status, covering from concepts, the formation mechanism, synthesis methods and applications, to the future perspectives and challenges linked to lignin-based nanomaterials, aiming at the viability and commercialization of this biotechnological product.
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Affiliation(s)
- Willian Daniel Hahn Schneider
- Enzymes and Biomass Laboratory, Institute of Biotechnology, University of Caxias do Sul, Francisco Getúlio Vargas Street, 1130, 95070-560 Caxias do Sul, RS, Brazil.
| | - Aldo José Pinheiro Dillon
- Enzymes and Biomass Laboratory, Institute of Biotechnology, University of Caxias do Sul, Francisco Getúlio Vargas Street, 1130, 95070-560 Caxias do Sul, RS, Brazil
| | - Marli Camassola
- Enzymes and Biomass Laboratory, Institute of Biotechnology, University of Caxias do Sul, Francisco Getúlio Vargas Street, 1130, 95070-560 Caxias do Sul, RS, Brazil
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Xia Z, Guo X, Yu N, Zeng A, Si L, Long F, Zhang W, Wang X, Zhu L, Liu Z. The Application of Decellularized Adipose Tissue Promotes Wound Healing. Tissue Eng Regen Med 2020; 17:863-874. [PMID: 33165769 PMCID: PMC7710820 DOI: 10.1007/s13770-020-00286-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/07/2020] [Accepted: 07/20/2020] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Due to adipose-derived stem cells (ASCs) being easy to obtain, their rapid proliferation rate, and their multidirectional differentiation capabilities, they have been widely used in the field of regenerative medicine. With the progress of decellularized adipose tissue (DAT) and adipose tissue engineering research, the role of DAT in promoting angiogenesis has gradually been emphasized. METHODS We examined the biological characteristics and biosafety of DAT and evaluated the stem cell maintenance ability and promotion of growth factor secretion through conducting in vitro and in vivo studies. RESULTS The tested ASCs showed high rat:es of proliferation and adhered well to DAT. The expression levels of essential genes for cell stem maintenance, including OCT4, SOX2, and Nanog were low at 2-24 h and much higher at 48 and 96 h. The Adipogenic expression level of markers for ASCs proliferation including PPARγ, C/EPBα, and LPL increased from 2 to 96 h. Co-culture of ASCs and DAT increased the secretion of local growth factors, such as VEGF, PDGF-bb, bFGF, HGF, EGF, and FDGF-bb, and secretion gradually increased from 0 to 48 h. A model of full-thickness skin defects on the back of nude mice was established, and the co-culture of ASCs and DAT showed the best in vivo treatment effect. CONCLUSION The application of DAT promotes wound healing, and DAT combined with ASCs may be a promising material in adipose tissue engineering and regenerative medicine.
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Affiliation(s)
- Zenan Xia
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Xiao Guo
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Nanze Yu
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Ang Zeng
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Loubin Si
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Fei Long
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Wenchao Zhang
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Xiaojun Wang
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China
| | - Lin Zhu
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China.
| | - Zhifei Liu
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1#, Dongcheng District, Beijing, 100730, China.
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Izadyari Aghmiuni A, Heidari Keshel S, Sefat F, AkbarzadehKhiyavi A. Fabrication of 3D hybrid scaffold by combination technique of electrospinning-like and freeze-drying to create mechanotransduction signals and mimic extracellular matrix function of skin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 120:111752. [PMID: 33545893 DOI: 10.1016/j.msec.2020.111752] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 10/16/2020] [Accepted: 11/21/2020] [Indexed: 12/15/2022]
Abstract
Fabrication of extracellular matrix (ECM)-like scaffolds (in terms of structural-functional) is the main challenge in skin tissue engineering. Herein, inspired by macromolecular components of ECM, a novel hybrid scaffold suggested which includes silk/hyaluronan (SF/HA) bio-complex modified by PCP: [polyethylene glycol/chitosan/poly(ɛ-caprolactone)] copolymer containing collagen to differentiate human-adipose-derived stem cells into keratinocytes. In followed by, different weight ratios (wt%) of SF/HA (S1:100/0, S2:80/20, S3:50/50) were applied to study the role of SF/HA in the improvement of physicochemical and biological functions of scaffolds. Notably, the combination of electrospinning-like and freeze-drying methods was also utilized as a new method to create a coherent 3D-network. The results indicated this novel technique was led to ~8% improvement of the scaffold's ductility and ~17% decrease in mean pore diameter, compared to the freeze-drying method. Moreover, the increase of HA (>20wt%) increased porosity to 99%, however, higher tensile strength, modulus, and water absorption% were related to S2 (38.1, 0.32 MPa, 75.3%). More expression of keratinocytes along with growth pattern similar to skin was also observed on S2. This study showed control of HA content creates a microporous-environment with proper modulus and swelling%, although, the role of collagen/PCP as base biocomposite and fabrication technique was undeniable on the inductive signaling of cells. Such a scaffold can mimic skin properties and act as the growth factor through inducing keratinocytes differentiation.
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Affiliation(s)
| | - S Heidari Keshel
- Medical Nanotechnology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Farshid Sefat
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford, UK; Interdisciplinary Research Centre in Polymer Science & Technology (IRC Polymer), University of Bradford, Bradford, UK
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32
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Tanaka ML. A Thesis Proposal Development Course for Engineering Graduate Students. J Biomech Eng 2020; 142:114704. [PMID: 32705112 DOI: 10.1115/1.4047925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Indexed: 11/08/2022]
Abstract
Helping engineering graduate students to write their thesis can be a difficult and time-consuming undertaking for a thesis advisor. Efficiency can be gained by having an experienced graduate student thesis advisor help multiple students at the same time. This article describes the philosophy, methods, and course design details used to develop and conduct a graduate level course on "thesis proposal development" for engineering students. The course provides structure to encourage students to engage in research and write their thesis proposal. The thesis proposal contains the student's detailed research plans and serves as the foundation for the student's final thesis. Each element of the course is described in detail with enough information that readers can implement the course at their own institution using this article as a guide. It includes detailed descriptions of individual assignments, reasons for including the assignment in the course, and Supplemental Material on the ASME Digital Collection which is downloadable from the journal. Since implementing this at our university, we have observed improvements in graduate student research projects, better written theses, and earlier thesis defense dates. The changes were implemented without altering the number of credit hours needed to graduate and we believe that the change has been beneficial.
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Affiliation(s)
- Martin L Tanaka
- School of Engineering and Technology, Western Carolina University, 220 Belk, Cullowhee, NC 28723
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Ozudogru E, Arslan YE. A preliminary study on the development of a novel biomatrix by decellularization of bovine spinal meninges for tissue engineering applications. Cell Tissue Bank 2020; 22:25-38. [PMID: 32862393 DOI: 10.1007/s10561-020-09859-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 08/25/2020] [Indexed: 12/30/2022]
Abstract
Here, we aim at developing a novel biomatrix from decellularized bovine spinal meninges for tissue engineering and regenerative medicine applications. Within this concept, the bovine spinal meninges were decellularized using 1% Triton X-100 for 48 h, and residual nuclear content was determined with double-strand DNA content analysis and agarose gel electrophoresis. The major matrix components such as sulfated GAGs and collagen before and after the decellularization process were analyzed with DMMB, hydroxyproline assay and SDS-PAGE. Subsequently, the native bovine spinal meninges (nBSM) and decellularized BSM (dBSM) were physiochemically characterized via ATR-FTIR spectroscopy, TGA, DMA and tensile strength test. The dsDNA content in the nBSM was 153.39 ± 53.93 ng/mg dry weight, versus in the dBSM was 39.47 ± 4.93 ng/mg (n = 3) dry weight and DNA fragments of more than 200 bp in length were not detected in the dBSM by agarose gel electrophoresis. The sulfated GAGs contents for nBSM and dBSM were observed to be 10.87 ± 1.2 and 11.42 ± 2.01 μg/mg dry weight, respectively. The maximum strength of dBSM in dry and wet conditions was found to be 19.67 ± 0.21 MPa and 13.97 ± 0.17 MPa, while nBSM (dry) was found to be 26.26 ± 0.28 MPa. MTT, SEM, and histology results exhibited that the cells attached to the surface of dBSM, and proliferated on the dBSM. In conclusion, the in vitro preliminary study has demonstrated that the dBSM might be a proper and new bioscaffold for tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Eren Ozudogru
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey
| | - Yavuz Emre Arslan
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey.
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Karimi M, Mesgar AS, Mohammadi Z. Development of osteogenic chitosan/alginate scaffolds reinforced with silicocarnotite containing apatitic fibers. ACTA ACUST UNITED AC 2020; 15:055020. [PMID: 32438355 DOI: 10.1088/1748-605x/ab954f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Porous composite scaffolds of chitosan-alginate (CH-AL) reinforced by biphasic calcium phosphate fibers containing silicon (Si) were prepared using the freeze-drying method. The fibers were synthesized using a homogenous precipitation method with differing reaction times and were characterized by XRD, FTIR, SEM, and ICP-OES. Fibers produced with no Si incorporation using two different reaction times of 4 d and 8 d comprised two phases of hydroxyapatite (∼93-96 wt%) and β-tricalcium phosphate (β-TCP). No new phases were observed by adding 0.8 wt% of Si during 4 d of precipitation. However, the addition of Si to fibers synthesized within 8 d under reflux conditions produced biphasic fibers with 1.9 wt% Si which consisted of a new phase of silicocarnotite (∼94 wt%) associated with the β-TCP phase. The whisker-like fibers were 10-200 µm in length and 0.2-5 µm in width. The physicochemical, mechanical, and biological properties of composite scaffolds fabricated by adding different fiber contents and types were investigated. The scaffolds exhibited favorable microstructures with a high porosity (66-88%) and the interconnected pores varied in size between 40 and 250 µm. Scaffolds containing silicocarnotite showed a significant improvement in their mechanical properties and in vitro bioactivity (using SBF testing and characterization of the apatite layer by ATR-FTIR and SEM/EDS) as well as proliferation, mineralization and adhesion of MG63 cells, when evaluated by MTT assay, alkaline phosphatase, and SEM. Scaffolds reinforced with silicocarnotite fibers also exhibited better mechanical properties and water uptake, compared to ones containing incorporated fibers made of Si. Composite scaffolds reinforced by 50 wt% fibers precipitated after 8 d were superior in terms of their mechanical properties and achieved a compressive strength and modulus of 272 kPa and 4.9 MPa, respectively, which is 400% greater than CH-AL scaffolds. The results indicate that the addition of Si into biphasic fibers, leading to the formation of silicocarnotite, makes silicocarnotite a potential candidate for the bioactive reinforcement of composite scaffolds for bone tissue engineering.
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Affiliation(s)
- Mahsa Karimi
- Biomaterials Laboratory, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
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Chan WW, Yeo DCL, Tan V, Singh S, Choudhury D, Naing MW. Additive Biomanufacturing with Collagen Inks. Bioengineering (Basel) 2020; 7:bioengineering7030066. [PMID: 32630194 PMCID: PMC7552643 DOI: 10.3390/bioengineering7030066] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 12/13/2022] Open
Abstract
Collagen is a natural polymer found abundantly in the extracellular matrix (ECM). It is easily extracted from a variety of sources and exhibits excellent biological properties such as biocompatibility and weak antigenicity. Additionally, different processes allow control of physical and chemical properties such as mechanical stiffness, viscosity and biodegradability. Moreover, various additive biomanufacturing technology has enabled layer-by-layer construction of complex structures to support biological function. Additive biomanufacturing has expanded the use of collagen biomaterial in various regenerative medicine and disease modelling application (e.g., skin, bone and cornea). Currently, regulatory hurdles in translating collagen biomaterials still remain. Additive biomanufacturing may help to overcome such hurdles commercializing collagen biomaterials and fulfill its potential for biomedicine.
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Affiliation(s)
- Weng Wan Chan
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - David Chen Loong Yeo
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - Vernice Tan
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - Satnam Singh
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - Deepak Choudhury
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
- Correspondence: (D.C.); (M.W.N.)
| | - May Win Naing
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
- Singapore Institute of Manufacturing Technology (SIMTech), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-04, Innovis, Singapore City 138634, Singapore
- Correspondence: (D.C.); (M.W.N.)
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Tissue Ingrowth Markedly Reduces Mechanical Anisotropy and Stiffness in Fibre Direction of Highly Aligned Electrospun Polyurethane Scaffolds. Cardiovasc Eng Technol 2020; 11:456-468. [PMID: 32613599 DOI: 10.1007/s13239-020-00475-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 06/25/2020] [Indexed: 12/26/2022]
Abstract
PURPOSE The lack of long-term patency of synthetic vascular grafts currently available on the market has directed research towards improving the performance of small diameter grafts. Improved radial compliance matching and tissue ingrowth into the graft scaffold are amongst the main goals for an ideal vascular graft. METHODS Biostable polyurethane scaffolds were manufactured by electrospinning and implanted in subcutaneous and circulatory positions in the rat for 7, 14 and 28 days. Scaffold morphology, tissue ingrowth, and mechanical properties of the scaffolds were assessed before implantation and after retrieval. RESULTS Tissue ingrowth after 24 days was 96.5 ± 2.3% in the subcutaneous implants and 77.8 ± 5.4% in the circulatory implants. Over the 24 days implantation, the elastic modulus at 12% strain decreased by 59% in direction of the fibre alignment whereas it increased by 1379% transverse to the fibre alignment of the highly aligned scaffold of the subcutaneous implants. The lesser aligned scaffold of the circulatory graft implants exhibited an increase of the elastic modulus at 12% strain by 77% in circumferential direction. CONCLUSION Based on the observations, it is proposed that the mechanism underlying the softening of the highly aligned scaffold in the predominant fibre direction is associated with scaffold compaction and local displacement of fibres by the newly formed tissue. The stiffening of the scaffold, observed transverse to highly aligned fibres and for more a random fibre distribution, represents the actual mechanical contribution of the tissue that developed in the scaffold.
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Pérez-Köhler B, Pascual G, Benito-Martínez S, Bellón JM, Eglin D, Guillaume O. Thermo-Responsive Antimicrobial Hydrogel for the In-Situ Coating of Mesh Materials for Hernia Repair. Polymers (Basel) 2020; 12:polym12061245. [PMID: 32486080 PMCID: PMC7362238 DOI: 10.3390/polym12061245] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 02/07/2023] Open
Abstract
The prophylactic coating of prosthetic mesh materials for hernia repair with antimicrobial compounds is commonly performed before implantation of the mesh in the abdominal wall. We propose a novel alternative, which is a rifampicin-loaded thermo-responsive hydrogel formulation, to be applied on the mesh after its implantation. This formulation becomes a gel in-situ once reached body temperature, allowing an optimal coating of the mesh along with the surrounding tissues. In vitro, the hydrogel cytotoxicity was assessed using rabbit fibroblasts and antimicrobial efficacy was determined against Staphylococcus aureus. An in vivo rabbit model of hernia repair was performed; implanted polypropylene meshes (5 × 2 cm) were challenged with S. aureus (106 CFU), for two study groups—unloaded (n = 4) and 0.1 mg/cm2 rifampicin-loaded hydrogel (n = 8). In vitro, antibacterial activity of the hydrogel lasted for 5 days, without sign of cytotoxicity. Fourteen days after implantation, meshes coated with drug-free hydrogel developed a strong infection and resulted in poor tissue integration. Coating meshes with the rifampicin-loaded hydrogel fully prevented implant infection and permitted an optimal tissue integration. Due to its great performance, this, degradable, thermo-responsive antimicrobial hydrogel could potentially be a strong prophylactic armamentarium to be combined with prosthesis in the surgical field.
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Affiliation(s)
- Bárbara Pérez-Köhler
- Department of Medicine and Medical Specialties, University of Alcalá, 28805 Madrid, Spain; (B.P.-K.); (G.P.)
- Biomedical Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (S.B.-M.); (J.M.B.)
- Ramón y Cajal Health Research Institute (IRYCIS), 28034 Madrid, Spain
| | - Gemma Pascual
- Department of Medicine and Medical Specialties, University of Alcalá, 28805 Madrid, Spain; (B.P.-K.); (G.P.)
- Biomedical Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (S.B.-M.); (J.M.B.)
- Ramón y Cajal Health Research Institute (IRYCIS), 28034 Madrid, Spain
| | - Selma Benito-Martínez
- Biomedical Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (S.B.-M.); (J.M.B.)
- Ramón y Cajal Health Research Institute (IRYCIS), 28034 Madrid, Spain
- Department of Surgery, Medical and Social Sciences, University of Alcalá, 28805 Madrid, Spain
| | - Juan Manuel Bellón
- Biomedical Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (S.B.-M.); (J.M.B.)
- Ramón y Cajal Health Research Institute (IRYCIS), 28034 Madrid, Spain
- Department of Surgery, Medical and Social Sciences, University of Alcalá, 28805 Madrid, Spain
| | - David Eglin
- AO Research Institute Davos, Davos 7270, Switzerland;
| | - Olivier Guillaume
- 3D Printing and Biofabrication Group, Institute of Materials Science and Technology, TU Wien, 1060 Vienna, Austria
- Correspondence:
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Kurochkin MA, Sindeeva OA, Brodovskaya EP, Gai M, Frueh J, Su L, Sapelkin A, Tuchin VV, Sukhorukov GB. Laser-triggered drug release from polymeric 3-D micro-structured films via optical fibers. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110664. [DOI: 10.1016/j.msec.2020.110664] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/25/2019] [Accepted: 01/13/2020] [Indexed: 10/25/2022]
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Krynauw H, Omar R, Koehne J, Limbert G, Davies NH, Bezuidenhout D, Franz T. Electrospun polyester-urethane scaffold preserves mechanical properties and exhibits strain stiffening during in situ tissue ingrowth and degradation. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2764-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Ogueri KS, Ogueri KS, Allcock HR, Laurencin CT. Polyphosphazene polymers: The next generation of biomaterials for regenerative engineering and therapeutic drug delivery. JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY. B, NANOTECHNOLOGY & MICROELECTRONICS : MATERIALS, PROCESSING, MEASUREMENT, & PHENOMENA : JVST B 2020; 38:030801. [PMID: 32309041 PMCID: PMC7156271 DOI: 10.1116/6.0000055] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 03/23/2020] [Indexed: 05/22/2023]
Abstract
The demand for new biomaterials in several biomedical applications, such as regenerative engineering and drug delivery, has increased over the past two decades due to emerging technological advances in biomedicine. Degradable polymeric biomaterials continue to play a significant role as scaffolding materials and drug devices. Polyphosphazene platform is a subject of broad interest, as it presents an avenue for attaining versatile polymeric materials with excellent structure and property tunability, and high functional diversity. Macromolecular substitution enables the facile attachment of different organic groups and drug molecules to the polyphosphazene backbone for the development of a broad class of materials. These materials are more biocompatible than traditional biomaterials, mixable with other clinically relevant polymers to obtain new materials and exhibit unique erosion with near-neutral degradation products. Hence, polyphosphazene represents the next generation of biomaterials. In this review, the authors systematically discuss the synthetic design, structure-property relationships, and the promising potentials of polyphosphazenes in regenerative engineering and drug delivery.
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Affiliation(s)
| | - Kennedy S Ogueri
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - Harry R Allcock
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802
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Irfan M, Khan M, Rehman TU, Ali I, Shah LA, Khattak NS, Khan MS. Synthesis and Rheological Survey of Xanthan Gum Based Terpolymeric Hydrogels. ACTA ACUST UNITED AC 2020. [DOI: 10.1515/zpch-2019-1574] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Abstract
Graft copolymerization technique was used to synthesize novel biopolymer based terpolymeric hydrogels of xanthan gum (Gx), acrylic acid and N-Isopropyl acrylamide (NIPAM) by using chemical crosslinker N,N′-methylene bisacrylamide (MBA), ammonium persulphate (APS) as a redox initiator and sodium dodecyl sulphate (SDS) for particle size stabilization. The synthesized hydrogels were characterized through FT-IR and SEM techniques, which confirmed the hydrogels formation. Detailed rheology was investigated through applying various rheological models like Bingham model, modified Bingham model and Ostwald power law model to the hydrogels which revealed that the hydrogels were appeared to have shear thinning, non-Newtonian behavior and more elastic. Modified Bingham model provided best fit understanding to our prepared materials. The maximum activation energy (Ea) 13.87 kJ/mol was obtained for composition having more Gx compared to others, showing a strong relationship with viscosity. The hydrogels has potential to find applications in food industry, cosmetics, degradation of dyes and removal of heavy metals from waste water.
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Affiliation(s)
- Muhammad Irfan
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan
| | - Mansoor Khan
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan
| | - Tanzil ur Rehman
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan
| | - Ijaz Ali
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan
| | - Luqman Ali Shah
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan , Phone: +92-91-9216766, Fax: 92-91-9216671, E-mail:
| | - Noor Saeed Khattak
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan
| | - Muhammad Salim Khan
- Polymer laboratory, National Center of Excellence in Physical Chemistry, University of Peshawar , KPK, 25120 , Pakistan
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Bao W, Li M, Yang Y, Wan Y, Wang X, Bi N, Li C. Advancements and Frontiers in the High Performance of Natural Hydrogels for Cartilage Tissue Engineering. Front Chem 2020; 8:53. [PMID: 32117879 PMCID: PMC7028759 DOI: 10.3389/fchem.2020.00053] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 01/17/2020] [Indexed: 12/14/2022] Open
Abstract
Cartilage injury originating from trauma or osteoarthritis is a common joint disease that can bring about an increasing social and economic burden in modern society. On account of its avascular, neural, and lymphatic characteristics, the poor migration ability of chondrocytes, and a low number of progenitor cells, the self-healing ability of cartilage defects has been significantly limited. Natural hydrogels, occurring abundantly with characteristics such as high water absorption, biodegradation, adjustable porosity, and biocompatibility like that of the natural extracellular matrix (ECM), have been developed into one of the most suitable scaffold biomaterials for the regeneration of cartilage in material science and tissue engineering. Notably, natural hydrogels derived from sources such as animal or human cadaver tissues possess the bionic mechanical behaviors of physiological cartilage that are required for usage as articular cartilage substitutes, by which the enhanced chondrogenic phenotype ability may be achieved by facilely embedding living cells, controlling degradation profiles, and releasing stimulatory growth factors. Hence, we summarize an overview of strategies and developments of the various kinds and functions of natural hydrogels for cartilage tissue engineering in this review. The main concepts and recent essential research found that great challenges like vascularity, clinically relevant size, and mechanical performances were still difficult to overcome because the current limitations of technologies need to be severely addressed in practical settings, particularly in unpredictable preclinical trials and during future forays into cartilage regeneration using natural hydrogel scaffolds with high mechanical properties. Therefore, the grand aim of this current review is to underpin the importance of preparation, modification, and application for the high performance of natural hydrogels for cartilage tissue engineering, which has been achieved by presenting a promising avenue in various fields and postulating real-world respective potentials.
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Affiliation(s)
- Wuren Bao
- School of Nursing, Inner Mongolia University for Nationalities, Tongliao, China
| | - Menglu Li
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
| | - Yanyu Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- College of Science and Engineering, Zhengzhou University, Zhengzhou, China
| | - Yi Wan
- Orthopaedic Department, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Na Bi
- Orthopaedic Department, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chunlin Li
- Orthopaedic Department, The 8th Medical Center of Chinese PLA General Hospital, Beijing, China
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Santos M, Serrano-Dúcar S, González-Valdivieso J, Vallejo R, Girotti A, Cuadrado P, Arias FJ. Genetically Engineered Elastin-based Biomaterials for Biomedical Applications. Curr Med Chem 2020; 26:7117-7146. [PMID: 29737250 DOI: 10.2174/0929867325666180508094637] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/28/2018] [Accepted: 04/13/2018] [Indexed: 01/31/2023]
Abstract
Protein-based polymers are some of the most promising candidates for a new generation of innovative biomaterials as recent advances in genetic-engineering and biotechnological techniques mean that protein-based biomaterials can be designed and constructed with a higher degree of complexity and accuracy. Moreover, their sequences, which are derived from structural protein-based modules, can easily be modified to include bioactive motifs that improve their functions and material-host interactions, thereby satisfying fundamental biological requirements. The accuracy with which these advanced polypeptides can be produced, and their versatility, self-assembly behavior, stimuli-responsiveness and biocompatibility, means that they have attracted increasing attention for use in biomedical applications such as cell culture, tissue engineering, protein purification, surface engineering and controlled drug delivery. The biopolymers discussed in this review are elastin-derived protein-based polymers which are biologically inspired and biomimetic materials. This review will also focus on the design, synthesis and characterization of these genetically encoded polymers and their potential utility for controlled drug and gene delivery, as well as in tissue engineering and regenerative medicine.
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Affiliation(s)
- Mercedes Santos
- BIOFORGE Research Group, CIBER-BBN, University of Valladolid, 47011 Valladolid, Spain
| | - Sofía Serrano-Dúcar
- BIOFORGE Research Group, CIBER-BBN, University of Valladolid, 47011 Valladolid, Spain
| | | | - Reinaldo Vallejo
- BIOFORGE Research Group, CIBER-BBN, University of Valladolid, 47011 Valladolid, Spain
| | - Alessandra Girotti
- BIOFORGE Research Group, CIBER-BBN, University of Valladolid, 47011 Valladolid, Spain
| | - Purificación Cuadrado
- BIOFORGE Research Group, CIBER-BBN, University of Valladolid, 47011 Valladolid, Spain
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Lee S, Ganesan R, Krüger-Genge A, Kratz K, Franke RP, Lendlein A, Jung F. Substrate-enzyme affinity-based surface modification strategy for endothelial cell-specific binding under shear stress. Clin Hemorheol Microcirc 2019; 75:85-98. [PMID: 31884458 DOI: 10.3233/ch-190736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Establishing an endothelial cell (EC) monolayer on top of the blood contacting surface of grafts is considered to be a promising approach for creating a hemocompatible surface. Here we utilized the high affinity interactions between the EC plasma membrane expressed enzyme called endothelin converting enzyme-1 (ECE-1) and its corresponding substrate big Endothelin-1 (bigET-1) to engineer an EC-specific binding surface. Since enzymatic cleavage of substrates require physical interaction between the enzyme and its corresponding substrate, it was hypothesized that a surface with chemically immobilized synthetic bigET-1 will preferentially attract ECs over other types of cells found in vascular system such as vascular smooth muscle cells (VSMCs). First, the expression of ECE-1 was significantly higher in ECs, and ECs processed synthetic bigET-1 to produce ET-1 in a cell number-dependent manner. Such interaction between ECs and synthetic bigET-1 was also detectible in blood. Next, vinyl-terminated self-assembled monolayers (SAMs) were established, oxidized and activated on a glass substrate as a model to immobilize synthetic bigET-1 via amide bonds. The ECs cultured on the synthetic bigET-1-immobilized surface processed larger amount of synthetic bigET-1 to produce ET-1 compared to VSMCs (102.9±5.13 vs. 9.75±0.74 pg/ml). The number of ECs bound to the synthetic bigET-1-immobilized surface during 1 h of shearing (5dyne/cm2) was approximately 3-fold higher than that of VSMCs (46.25±12.61 vs. 15.25±3.69 cells/100×HPF). EC-specific binding of synthetic bigET-1-immobilized surface over a surface modified with collagen, a common substance for cell adhesion, was also observed. The present study demonstrated that using the substrate-enzyme affinity (SEA) of cell type-specific enzyme and its corresponding substrate can be an effective method to engineer a surface preferentially binds specific type of cells. This novel strategy might open a new route toward rapid endothelialization under dynamic conditions supporting the long-term patency of cardiovascular implants.
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Affiliation(s)
- Seahyoung Lee
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Ramakrishnan Ganesan
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Anne Krüger-Genge
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Karl Kratz
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
| | - Ralf-Peter Franke
- Central Institute for Biomedical Engineering, University of Ulm, Ulm, Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany.,Institute of Chemistry, University of Potsdam, Potsdam, Germany
| | - Friedrich Jung
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
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Kędzierska M, Miłowska K. The use of chitosan-based biomaterials for the treatment of hard-healing wounds. POSTEP HIG MED DOSW 2019. [DOI: 10.5604/01.3001.0013.6823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Wound healing is a complex process that engages skin cells, the blood, the immune system and a number of circulating substances in the body. Infections, contamination of the wound or a vast area of damage complicate and delay the natural process of skin regeneration. The incidence of hard-to-heal wounds is an increasingly common problem, because they can significantly impair the quality of life of the patient. For this reason, it is extremely important to look for factors (drugs, dressings or other substances) that could accelerate and relieve wound healing. Among many compounds in the area of medical engineering interest, attention should be paid to natural polysaccharides, e.g. chitosan and alginate. This article is devoted to biomaterials that play an important role in the treatment of chronic wounds. These include the following: hydrogels, non-wovens, membranes and chitosan sponges as well as chitosan-alginate composites or chitosan composites combined with zinc oxide and nanosilver. The material, which has chitosan as a base, works on all stages of the healing process. Many in vitro,
in vivo and clinical studies that provide the basis for using chitosan materials as a substitute
for conventional bandages and dressings have been carried out. At the stage of hemostasis, it
accelerates platelet aggregation and the formation of a fibrin clot. In the inflamed stage, they
cause the proliferation of neutrophils and macrophages that cleanse the wound, releasing
cytokines at the wound site. Studies have shown that chitosan mimics the native extracellular
matrix, providing the optimal microenvironment for the wound.
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Affiliation(s)
- Marta Kędzierska
- Uniwersytet Łódzki, Wydział Biologii i Ochrony Środowiska, Katedra Biofizyki Ogólnej, Łódź
| | - Katarzyna Miłowska
- Uniwersytet Łódzki, Wydział Biologii i Ochrony Środowiska, Katedra Biofizyki Ogólnej, Łódź
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Vacchini M, Edwards R, Guizzardi R, Palmioli A, Ciaramelli C, Paiotta A, Airoldi C, La Ferla B, Cipolla L. Glycan Carriers As Glycotools for Medicinal Chemistry Applications. Curr Med Chem 2019; 26:6349-6398. [DOI: 10.2174/0929867326666190104164653] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 11/07/2018] [Accepted: 12/18/2018] [Indexed: 12/12/2022]
Abstract
Carbohydrates are one of the most powerful and versatile classes of biomolecules that nature
uses to regulate organisms’ biochemistry, modulating plenty of signaling events within cells, triggering
a plethora of physiological and pathological cellular behaviors. In this framework, glycan carrier
systems or carbohydrate-decorated materials constitute interesting and relevant tools for medicinal
chemistry applications. In the last few decades, efforts have been focused, among others, on the development
of multivalent glycoconjugates, biosensors, glycoarrays, carbohydrate-decorated biomaterials
for regenerative medicine, and glyconanoparticles. This review aims to provide the reader with a general
overview of the different carbohydrate carrier systems that have been developed as tools in different
medicinal chemistry approaches relying on carbohydrate-protein interactions. Given the extent of
this topic, the present review will focus on selected examples that highlight the advancements and potentialities
offered by this specific area of research, rather than being an exhaustive literature survey of
any specific glyco-functionalized system.
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Affiliation(s)
- Mattia Vacchini
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Rana Edwards
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Roberto Guizzardi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Alessandro Palmioli
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Carlotta Ciaramelli
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Alice Paiotta
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Cristina Airoldi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Barbara La Ferla
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Laura Cipolla
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
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47
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Carvalho CR, Oliveira JM, Reis RL. Modern Trends for Peripheral Nerve Repair and Regeneration: Beyond the Hollow Nerve Guidance Conduit. Front Bioeng Biotechnol 2019; 7:337. [PMID: 31824934 PMCID: PMC6882937 DOI: 10.3389/fbioe.2019.00337] [Citation(s) in RCA: 163] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 10/30/2019] [Indexed: 12/13/2022] Open
Abstract
Peripheral nerve repair and regeneration remains among the greatest challenges in tissue engineering and regenerative medicine. Even though peripheral nerve injuries (PNIs) are capable of some degree of regeneration, frail recovery is seen even when the best microsurgical technique is applied. PNIs are known to be very incapacitating for the patient, due to the deprivation of motor and sensory abilities. Since there is no optimal solution for tackling this problem up to this day, the evolution in the field is constant, with innovative designs of advanced nerve guidance conduits (NGCs) being reported every day. As a basic concept, a NGC should act as a physical barrier from the external environment, concomitantly acting as physical guidance for the regenerative axons across the gap lesion. NGCs should also be able to retain the naturally released nerve growth factors secreted by the damaged nerve stumps, as well as reducing the invasion of scar tissue-forming fibroblasts to the injury site. Based on the neurobiological knowledge related to the events that succeed after a nerve injury, neuronal subsistence is subjected to the existence of an ideal environment of growth factors, hormones, cytokines, and extracellular matrix (ECM) factors. Therefore, it is known that multifunctional NGCs fabricated through combinatorial approaches are needed to improve the functional and clinical outcomes after PNIs. The present work overviews the current reports dealing with the several features that can be used to improve peripheral nerve regeneration (PNR), ranging from the simple use of hollow NGCs to tissue engineered intraluminal fillers, or to even more advanced strategies, comprising the molecular and gene therapies as well as cell-based therapies.
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Affiliation(s)
- Cristiana R. Carvalho
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, Guimarães, Portugal
| | - Joaquim M. Oliveira
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, Guimarães, Portugal
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48
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Watras A, Wujczyk M, Roecken M, Kucharczyk K, Marycz K, Wiglusz RJ. Investigation of Pyrophosphates KYP 2O 7Co-Doped with Lanthanide Ions Useful for Theranostics. NANOMATERIALS 2019; 9:nano9111597. [PMID: 31717974 PMCID: PMC6915349 DOI: 10.3390/nano9111597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/01/2019] [Accepted: 11/07/2019] [Indexed: 12/18/2022]
Abstract
Diphosphate compounds (KYP2O7) co-doped with Yb3+ and Er3+ ions were obtained by one step urea assisted combustion synthesis. The experimental parameters of synthesis were optimized using an experimental design approach related to co-dopants concentration and heattreatment as well as annealing time. The obtained materials were studied with theinitial requirements showing appropriate morphological (X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM)) and spectroscopic properties (emission, luminescence kinetics). Moreover, the effect of Er3+ and Yb3+ ions doped KYP2O7 on morphology, proliferative and metabolic activity and apoptosis in MC3T3-E1 osteoblast cell line and 4B12osteoclasts cell line was investigated. Furthermore, the expression of the common pro-osteogenic markers in MC3T3-E1 osteoblast as well as osteoclastogenesis related markers in 4B12 osteoclasts was evaluated. The extensive in vitro studies showed that KYP2O7 doped with 1 mol% Er3+ and 20 mol% Yb3+ ions positively affected the MC3T3-E1 and 4B12 cells activity without triggering their apoptosis. Moreover, it was shown that an activation of mTOR and Pi3k signaling pathways with 1 mol% Er3+, 20 mol% Yb3+: KYP2O7 can promote the MC3T3-E1 cells expression of late osteogenic markers including RUNX and BMP-2. The obtained data shed a promising light for KYP2O7 doped with Er3+ and Yb3+ ions as a potential factors improving bone fracture healing as well as in bioimaging (so-called in theranostics).
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Affiliation(s)
- Adam Watras
- Institute of Low Temperature and Structure Research PAS, Okolna 2 str. 50-422 Wroclaw, Poland; (M.W.); (R.J.W.)
- Correspondence:
| | - Marta Wujczyk
- Institute of Low Temperature and Structure Research PAS, Okolna 2 str. 50-422 Wroclaw, Poland; (M.W.); (R.J.W.)
| | - Michael Roecken
- Faculty of Veterinary Medicine, Equine Clinic-Equine Surgery, Justus-Liebig-University, 35392 Giessen, Germany;
| | - Katarzyna Kucharczyk
- International Institute of Translational Medicine, Jesionowa 11, Malin, 55-114 Wisznia Mala, Poland; (K.K.); (K.M.)
- Department of Experimental Biology, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
| | - Krzysztof Marycz
- International Institute of Translational Medicine, Jesionowa 11, Malin, 55-114 Wisznia Mala, Poland; (K.K.); (K.M.)
- Department of Experimental Biology, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland
- Collegium Medicum, Cardinal Stefan Wyszyński University (UKSW), Woycickiego 1/3, 01-938 Warsaw, Poland
| | - Rafal J. Wiglusz
- Institute of Low Temperature and Structure Research PAS, Okolna 2 str. 50-422 Wroclaw, Poland; (M.W.); (R.J.W.)
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49
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Ho HV, Makkar P, Padalhin AR, Le TTT, Lee SY, Jaegyoung G, Lee BT. Preliminary studies on the in vivo performance of various kinds of nanocellulose for biomedical applications. J Biomater Appl 2019; 34:942-951. [PMID: 31679436 DOI: 10.1177/0885328219883478] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Hai Van Ho
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University Hospital Cheonan, Cheonan, Republic of Korea
| | - Preeti Makkar
- Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea
| | - Andrew R Padalhin
- Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea
| | - Thao Thi Thanh Le
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University Hospital Cheonan, Cheonan, Republic of Korea
| | - Sun Young Lee
- Division of Environmental Material Engineering, Department of Forest Products, Korea Forest Research Institute, Seoul, Republic of Korea
| | - Gwon Jaegyoung
- Division of Environmental Material Engineering, Department of Forest Products, Korea Forest Research Institute, Seoul, Republic of Korea
| | - Byong-Taek Lee
- Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea
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50
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Mantha S, Pillai S, Khayambashi P, Upadhyay A, Zhang Y, Tao O, Pham HM, Tran SD. Smart Hydrogels in Tissue Engineering and Regenerative Medicine. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3323. [PMID: 31614735 PMCID: PMC6829293 DOI: 10.3390/ma12203323] [Citation(s) in RCA: 353] [Impact Index Per Article: 70.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/08/2019] [Accepted: 10/09/2019] [Indexed: 01/01/2023]
Abstract
The field of regenerative medicine has tremendous potential for improved treatment outcomes and has been stimulated by advances made in bioengineering over the last few decades. The strategies of engineering tissues and assembling functional constructs that are capable of restoring, retaining, and revitalizing lost tissues and organs have impacted the whole spectrum of medicine and health care. Techniques to combine biomimetic materials, cells, and bioactive molecules play a decisive role in promoting the regeneration of damaged tissues or as therapeutic systems. Hydrogels have been used as one of the most common tissue engineering scaffolds over the past two decades due to their ability to maintain a distinct 3D structure, to provide mechanical support for the cells in the engineered tissues, and to simulate the native extracellular matrix. The high water content of hydrogels can provide an ideal environment for cell survival, and structure which mimics the native tissues. Hydrogel systems have been serving as a supportive matrix for cell immobilization and growth factor delivery. This review outlines a brief description of the properties, structure, synthesis and fabrication methods, applications, and future perspectives of smart hydrogels in tissue engineering.
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Affiliation(s)
- Somasundar Mantha
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Sangeeth Pillai
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Parisa Khayambashi
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Akshaya Upadhyay
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Yuli Zhang
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Owen Tao
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Hieu M Pham
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
| | - Simon D Tran
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, 3640 University Street, Montreal, QC H3A 0C7, Canada.
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