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Shlapakova LE, Surmeneva MA, Kholkin AL, Surmenev RA. Revealing an important role of piezoelectric polymers in nervous-tissue regeneration: A review. Mater Today Bio 2024; 25:100950. [PMID: 38318479 PMCID: PMC10840125 DOI: 10.1016/j.mtbio.2024.100950] [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: 10/05/2023] [Revised: 12/12/2023] [Accepted: 01/08/2024] [Indexed: 02/07/2024] Open
Abstract
Nerve injuries pose a drastic threat to nerve mobility and sensitivity and lead to permanent dysfunction due to low regenerative capacity of mature neurons. The electrical stimuli that can be provided by electroactive materials are some of the most effective tools for the formation of soft tissues, including nerves. Electric output can provide a distinctly favorable bioelectrical microenvironment, which is especially relevant for the nervous system. Piezoelectric biomaterials have attracted attention in the field of neural tissue engineering owing to their biocompatibility and ability to generate piezoelectric surface charges. In this review, an outlook of the most recent achievements in the field of piezoelectric biomaterials is described with an emphasis on piezoelectric polymers for neural tissue engineering. First, general recommendations for the design of an optimal nerve scaffold are discussed. Then, specific mechanisms determining nerve regeneration via piezoelectric stimulation are considered. Activation of piezoelectric responses via natural body movements, ultrasound, and magnetic fillers is also examined. The use of magnetoelectric materials in combination with alternating magnetic fields is thought to be the most promising due to controllable reproducible cyclic deformations and deep tissue permeation by magnetic fields without tissue heating. In vitro and in vivo applications of nerve guidance scaffolds and conduits made of various piezopolymers are reviewed too. Finally, challenges and prospective research directions regarding piezoelectric biomaterials promoting nerve regeneration are discussed. Thus, the most relevant scientific findings and strategies in neural tissue engineering are described here, and this review may serve as a guideline both for researchers and clinicians.
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Affiliation(s)
- Lada E. Shlapakova
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk, 634050, Russia
| | - Maria A. Surmeneva
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk, 634050, Russia
- Piezo- and Magnetoelectric Materials Research & Development Centre, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050, Tomsk, Russia
| | - Andrei L. Kholkin
- Piezo- and Magnetoelectric Materials Research & Development Centre, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050, Tomsk, Russia
- Department of Physics & CICECO - Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Roman A. Surmenev
- Physical Materials Science and Composite Materials Center, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Tomsk, 634050, Russia
- Piezo- and Magnetoelectric Materials Research & Development Centre, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050, Tomsk, Russia
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Ren ZW, Wang ZY, Ding YW, Dao JW, Li HR, Ma X, Yang XY, Zhou ZQ, Liu JX, Mi CH, Gao ZC, Pei H, Wei DX. Polyhydroxyalkanoates: the natural biopolyester for future medical innovations. Biomater Sci 2023; 11:6013-6034. [PMID: 37522312 DOI: 10.1039/d3bm01043k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Polyhydroxyalkanoates (PHAs) are a family of natural microbial biopolyesters with the same basic chemical structure and diverse side chain groups. Based on their excellent biodegradability, biocompatibility, thermoplastic properties and diversity, PHAs are highly promising medical biomaterials and elements of medical devices for applications in tissue engineering and drug delivery. However, due to the high cost of biotechnological production, most PHAs have yet to be applied in the clinic and have only been studied at laboratory scale. This review focuses on the biosynthesis, diversity, physical properties, biodegradability and biosafety of PHAs. We also discuss optimization strategies for improved microbial production of commercial PHAs via novel synthetic biology tools. Moreover, we also systematically summarize various medical devices based on PHAs and related design approaches for medical applications, including tissue repair and drug delivery. The main degradation product of PHAs, 3-hydroxybutyrate (3HB), is recognized as a new functional molecule for cancer therapy and immune regulation. Although PHAs still account for only a small percentage of medical polymers, up-and-coming novel medical PHA devices will enter the clinical translation stage in the next few years.
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Affiliation(s)
- Zi-Wei Ren
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Ze-Yu Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Yan-Wen Ding
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Jin-Wei Dao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
- Dehong Biomedical Engineering Research Center, Dehong Teachers' College, Dehong, 678400, China
| | - Hao-Ru Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Xue Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Xin-Yu Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Zi-Qi Zhou
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Jia-Xuan Liu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Chen-Hui Mi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
| | - Zhe-Chen Gao
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Hua Pei
- Department of Clinical Laboratory, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
| | - Dai-Xu Wei
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
- Department of Clinical Laboratory, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
- Shaanxi Key Laboratory for Carbon Neutral Technology, Xi'an, 710069, China
- Zigong Affiliated Hospital of Southwest Medical University, Zigong Psychiatric Research Center, Zigong Institute of Brain Science, Zigong, 643002, Sichuan, China
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3
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Artico M, Roux C, Peruch F, Mingotaud AF, Montanier CY. Grafting of proteins onto polymeric surfaces: A synthesis and characterization challenge. Biotechnol Adv 2023; 64:108106. [PMID: 36738895 DOI: 10.1016/j.biotechadv.2023.108106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 01/26/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
This review aims at answering the following question: how can a researcher be sure to succeed in grafting a protein onto a polymer surface? Even if protein immobilization on solid supports has been used industrially for a long time, hence enabling natural enzymes to serve as a powerful tool, emergence of new supports such as polymeric surfaces for the development of so-called intelligent materials requires new approaches. In this review, we introduce the challenges in grafting protein on synthetic polymers, mainly because compared to hard surfaces, polymers may be sensitive to various aqueous media, depending on the pH or reductive molecules, or may exhibit state transitions with temperature. Then, the specificity of grafting on synthetic polymers due to difference of chemical functions availability or difference of physical properties are summarized. We present next the various available routes to covalently bond the protein onto the polymeric substrates considering the functional groups coming from the monomers used during polymerization reaction or post-modification of the surfaces. We also focus our review on a major concern of grafting protein, which is avoiding the potential loss of function of the immobilized protein. Meanwhile, this review considers the different methods of characterization used to determine the grafting efficiency but also the behavior of enzymes once grafted. We finally dedicate the last part of this review to industrial application and future prospective, considering the sustainable processes based on green chemistry.
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Affiliation(s)
- M Artico
- Laboratory IMRCP, CNRS UMR 5623, University Paul Sabatier, Toulouse, France; TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - C Roux
- Laboratory IMRCP, CNRS UMR 5623, University Paul Sabatier, Toulouse, France
| | - F Peruch
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, Pessac, France
| | - A-F Mingotaud
- Laboratory IMRCP, CNRS UMR 5623, University Paul Sabatier, Toulouse, France.
| | - C Y Montanier
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France.
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Mahato RP, Kumar S, Singh P. Production of polyhydroxyalkanoates from renewable resources: a review on prospects, challenges and applications. Arch Microbiol 2023; 205:172. [PMID: 37017747 DOI: 10.1007/s00203-023-03499-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 03/11/2023] [Accepted: 03/22/2023] [Indexed: 04/06/2023]
Abstract
Bioplastics replace synthetic plastics of petrochemical origin, which contributes challenge to both polymer quality and economics. Novel polyhydroxyalkanoates (PHA)-composite materials, with desirable product quality, could be developed, thus targeting the global plastics market, in the coming years. It is possible that PHA can be a greener substitute for their petroleum-based competitors since they are simply decomposed, which may lessen the pressure on municipal and industrial waste management systems. PHA production has proven to be the bottleneck in industrial application and commercialization because of the high price of carbon substrates and downstream processes required to achieve reliability. Bacterial PHA production by these municipal and industrial wastes, which act as a cheap, renewable carbon substrate, eliminates waste management hassles and acts as an efficient substitute for synthetic plastics. In the present review, challenges and opportunities related to the commercialization of polyhydroxyalkanoates are discussed and presented. Moreover, it discusses critical steps of their production process, feedstock evaluation, optimization strategies, and downstream processes. This information may provide us the complete utilization of bacterial PHA during possible applications in packaging, nutrition, medicine, and pharmaceuticals.
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Affiliation(s)
- Richa Prasad Mahato
- Department of Microbiology, Kanya Gurukul Campus, Gurukul Kangri University, Haridwar, 249407, India.
| | - Saurabh Kumar
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Padma Singh
- Department of Microbiology, Kanya Gurukul Campus, Gurukul Kangri University, Haridwar, 249407, India
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5
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Development and In Vitro Differentiation of Schwann Cells. Cells 2022; 11:cells11233753. [PMID: 36497014 PMCID: PMC9739763 DOI: 10.3390/cells11233753] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Schwann cells are glial cells of the peripheral nervous system. They exist in several subtypes and perform a variety of functions in nerves. Their derivation and culture in vitro are interesting for applications ranging from disease modeling to tissue engineering. Since primary human Schwann cells are challenging to obtain in large quantities, in vitro differentiation from other cell types presents an alternative. Here, we first review the current knowledge on the developmental signaling mechanisms that determine neural crest and Schwann cell differentiation in vivo. Next, an overview of studies on the in vitro differentiation of Schwann cells from multipotent stem cell sources is provided. The molecules frequently used in those protocols and their involvement in the relevant signaling pathways are put into context and discussed. Focusing on hiPSC- and hESC-based studies, different protocols are described and compared, regarding cell sources, differentiation methods, characterization of cells, and protocol efficiency. A brief insight into developments regarding the culture and differentiation of Schwann cells in 3D is given. In summary, this contribution provides an overview of the current resources and methods for the differentiation of Schwann cells, it supports the comparison and refinement of protocols and aids the choice of suitable methods for specific applications.
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Polyhydroxybutyrate (PHB) Scaffolds for Peripheral Nerve Regeneration: A Systematic Review of Animal Models. BIOLOGY 2022; 11:biology11050706. [PMID: 35625434 PMCID: PMC9138984 DOI: 10.3390/biology11050706] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/20/2022] [Accepted: 04/28/2022] [Indexed: 12/09/2022]
Abstract
Simple Summary Currently, polymeric biomaterials are the choice for the design of scaffolds for the regeneration of peripheral nerves. Polyhydroxybutyrate (PHB) is a polymer belonging to the class of polyesters that are produced naturally in nature by microorganisms. To gain a better understanding of the efficacy of therapeutic approaches involving PHB scaffolds for peripheral nerve regeneration, we conducted a systematic review of the literature with the aim of discussing the current knowledge of PHB scaffolds applied to nerve regeneration. The use of PHB as a biomaterial to prepare tubular scaffolds for nerve regeneration was shown to be promising. The incorporation of additives appears to be a trend that improves nerve regeneration. Abstract In the last two decades, artificial scaffolds for nerve regeneration have been produced using a variety of polymers. Polyhydroxybutyrate (PHB) is a natural polyester that can be easily processed and offer several advantages; hence, the purpose of this review is to provide a better understanding of the efficacy of therapeutic approaches involving PHB scaffolds in promoting peripheral nerve regeneration following nerve dissection in animal models. A systematic literature review was performed following the “Preferred Reporting Items for Systematic Reviews and Meta-Analyses” (PRISMA) criteria. The revised databases were: Pub-Med/MEDLINE, Web of Science, Science Direct, EMBASE, and SCOPUS. Sixteen studies were included in this review. Different animal models and nerves were studied. Extension of nerve gaps reconnected by PHB scaffolds and the time periods of analysis were varied. The additives included in the scaffolds, if any, were growth factors, neurotrophins, other biopolymers, and neural progenitor cells. The analysis of the quality of the studies revealed good quality in general, with some aspects that could be improved. The analysis of the risk of bias revealed several weaknesses in all studies. The use of PHB as a biomaterial to prepare tubular scaffolds for nerve regeneration was shown to be promising. The incorporation of additives appears to be a trend that improves nerve regeneration. One of the main weaknesses of the reviewed articles was the lack of standardized experimentation on animals. It is recommended to follow the currently available guidelines to improve the design, avoid the risk of bias, maximize the quality of studies, and enhance translationality.
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Dhania S, Bernela M, Rani R, Parsad M, Grewal S, Kumari S, Thakur R. Scaffolds the backbone of tissue engineering: Advancements in use of polyhydroxyalkanoates (PHA). Int J Biol Macromol 2022; 208:243-259. [PMID: 35278518 DOI: 10.1016/j.ijbiomac.2022.03.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 12/11/2022]
Abstract
Our body is built to heal from inside out naturally but wide-ranging medical conditions necessitate the need for artificial assistance, and therefore, something that can assist the body to heal wounds and damaged tissues quickly and efficiently is of utmost importance. Tissue engineering technology helps to regenerate new tissue to replace the diseased or injured one. The technology uses biodegradable porous three-dimensional scaffolds for mimicking the structure and functions of the natural extracellular matrix. The material and design of scaffolds are critical areas of biomaterial research. Biomaterial-based three-dimensional structures have been the most promising material to serve as scaffolds for seeding cells, both in vivo and in vitro. One such material is polyhydroxyalkanoates (PHAs) which are thermoplastic biopolyesters that are highly suitable for this purpose due to their enhanced biocompatibility, biodegradability, thermo-processability, diverse mechanical properties, non-toxicity and natural origin. Moreover, they have tremendous possibilities of customization through biological physical and chemical modification as well as blending with other materials. They are being used for several tissue engineering applications such as bone graft substitute, cardiovascular patches, stents, for nerve repair and in implantology as valves and sutures. The present review overviews usage of a multitude of PHA-based biomaterials for a wide range of tissue engineering applications, based on their properties suitable for the specific applications.
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Affiliation(s)
- Sunena Dhania
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India
| | - Manju Bernela
- Department of Biotechnology, Guru Nanak Dev University, Amritsar 143005, Punjab, India
| | - Ruma Rani
- ICAR-National Research Centre on Equines, Hisar 125001, Haryana, India
| | - Minakshi Parsad
- Department of Animal Biotechnology, LUVAS, Hisar 125001, Haryana, India
| | - Sapna Grewal
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India
| | - Santosh Kumari
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India
| | - Rajesh Thakur
- Department of Bio & Nanotechnology, Guru Jambheshwar University of Science and Technology, Hisar 125001, Haryana, India.
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8
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Mohammadalizadeh Z, Bahremandi-Toloue E, Karbasi S. Recent advances in modification strategies of pre- and post-electrospinning of nanofiber scaffolds in tissue engineering. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105202] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Firoozi M, Entezam M, Masaeli E, Ejeian F, Nasr‐Esfahani MH. Physical modification approaches to enhance cell supporting potential of poly (vinyl alcohol)‐based hydrogels. J Appl Polym Sci 2022. [DOI: 10.1002/app.51485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mahtab Firoozi
- Department of Chemical and Polymer Engineering, Faculty of Engineering Yazd University Yazd Iran
- Department of Animal Biotechnology Cell Science Research Center, Royan Institute for Biotechnology, ACECR Isfahan Iran
| | - Mehdi Entezam
- Department of Chemical and Polymer Engineering, Faculty of Engineering Yazd University Yazd Iran
| | - Elahe Masaeli
- Department of Animal Biotechnology Cell Science Research Center, Royan Institute for Biotechnology, ACECR Isfahan Iran
| | - Fatemeh Ejeian
- Department of Animal Biotechnology Cell Science Research Center, Royan Institute for Biotechnology, ACECR Isfahan Iran
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Guo W, Yang K, Qin X, Luo R, Wang H, Huang R. Polyhydroxyalkanoates in tissue repair and regeneration. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
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Lategan M, Kumar P, Choonara YE. Functionalizing nanofibrous platforms for neural tissue engineering applications. Drug Discov Today 2022; 27:1381-1403. [DOI: 10.1016/j.drudis.2022.01.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/29/2021] [Accepted: 01/12/2022] [Indexed: 12/23/2022]
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Silver Nanoparticle-Coated Polyhydroxyalkanoate Based Electrospun Fibers for Wound Dressing Applications. MATERIALS 2021; 14:ma14174907. [PMID: 34500997 PMCID: PMC8434271 DOI: 10.3390/ma14174907] [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: 06/18/2021] [Revised: 08/19/2021] [Accepted: 08/24/2021] [Indexed: 01/10/2023]
Abstract
Wound dressings are high performance and high value products which can improve the regeneration of damaged skin. In these products, bioresorption and biocompatibility play a key role. The aim of this study is to provide progress in this area via nanofabrication and antimicrobial natural materials. Polyhydroxyalkanoates (PHAs) are a bio-based family of polymers that possess high biocompatibility and skin regenerative properties. In this study, a blend of poly(3-hydroxybutyrate) (P(3HB)) and poly(3-hydroxyoctanoate-co-3-hydroxy decanoate) (P(3HO-co-3HD)) was electrospun into P(3HB))/P(3HO-co-3HD) nanofibers to obtain materials with a high surface area and good handling performance. The nanofibers were then modified with silver nanoparticles (AgNPs) via the dip-coating method. The silver-containing nanofiber meshes showed good cytocompatibility and interesting immunomodulatory properties in vitro, together with the capability of stimulating the human beta defensin 2 and cytokeratin expression in human keratinocytes (HaCaT cells), which makes them promising materials for wound dressing applications.
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Vilchez A, Acevedo F, Cea M, Seeger M, Navia R. Development and thermochemical characterization of an antioxidant material based on polyhydroxybutyrate electrospun microfibers. Int J Biol Macromol 2021; 183:772-780. [PMID: 33965478 DOI: 10.1016/j.ijbiomac.2021.05.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/26/2021] [Accepted: 05/02/2021] [Indexed: 10/21/2022]
Abstract
The use of antioxidants such as curcumin (Cur) or quercetin (Que) in biomedical and biotechnological applications has been studied owing to their capability to prevent oxidative stress and inhibit free radicals. Using polyhydroxybutyrate (PHB) electrospun fibers is presented as a proper option to encapsulate curcumin and quercetin due to its biocompatibility and biodegradability characteristics. Electrospun fibers were obtained dissolving commercial PHB in chloroform:N,N-dimethylformamide (DMF) (4:1) at 7% m/V, and adding two different concentrations of antioxidant (Cur, and Que) 1%m/m, and 7% m/m. These polymeric solutions were electrospun at different conditions and the obtained fibers were characterized by scanning electron microscopy (SEM), thermogravimetric (TGA) analysis, and Fourier transform infrared spectroscopy (FT-IR). The curcumin and quercetin releases into phosphate buffer saline (PBS) at pH 7.4 were obtained in vitro and measured by spectrophotometry. Antioxidant activities were measured by spectrophotometry in a microplate reader using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method. Fibers obtained with different formulations presented a chemical composition in accordance with PHB according to FTIR spectra, the diameters fluctuate between 0.761 ± 0.123 and 1.803 ± 0.557 μm, with qualities over 0.95 according to their morphology, and the melting temperature resulted near 178 °C according to the bibliography. The crystallinity of fibers decreases while curcumin or quercetin concentration increases for the studied interval, indeed, quercetin showed a higher impact on the relative crystallinity of fibers. Antioxidant activity of active compounds is maintained after encapsulation in PHB electrospun fibers, and quercetin resulted in near four times antioxidant activity compared to curcumin according to DPPH analysis.
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Affiliation(s)
- Ariel Vilchez
- Doctoral Program in Sciences of Natural Resources, Universidad de La Frontera, Casilla 54-D, Temuco, Chile
| | - Francisca Acevedo
- Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Casilla 54-D, Temuco, Chile; Scientific and Technological Bioresource Nucleus, BIOREN, Universidad de La Frontera, Casilla 54-D, Temuco, Chile
| | - Mara Cea
- Scientific and Technological Bioresource Nucleus, BIOREN, Universidad de La Frontera, Casilla 54-D, Temuco, Chile; Department of Chemical Engineering, Faculty of Engineering and Sciences, Universidad de La Frontera, Casilla 54-D, Temuco, Chile
| | - Michael Seeger
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Departamento de Química & Centro de Biotecnología (CBDAL), Universidad Técnica Federico Santa María, Valparaíso, Chile
| | - Rodrigo Navia
- Department of Chemical Engineering, Faculty of Engineering and Sciences, Universidad de La Frontera, Casilla 54-D, Temuco, Chile; Centre for Biotechnology and Bioengineering (CeBiB), Faculty of Engineering and Sciences, Universidad de La Frontera, Casilla 54-D, Temuco, Chile.
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14
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Bucci R, Vaghi F, Erba E, Romanelli A, Gelmi ML, Clerici F. Peptide grafting strategies before and after electrospinning of nanofibers. Acta Biomater 2021; 122:82-100. [PMID: 33326882 DOI: 10.1016/j.actbio.2020.11.051] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/14/2020] [Accepted: 11/30/2020] [Indexed: 01/06/2023]
Abstract
Nanofiber films produced by electrospinning currently provide a promising platform for different applications. Although nonfunctionalized nanofiber films from natural or synthetic polymers are extensively used, electrospun materials combined with peptides are gaining more interest. In fact, the selection of specific peptides improves the performance of the material for biological applications and mainly for tissue engineering, mostly by maintaining similar mechanical properties with respect to the simple polymer. The main drawback in using peptides blended with a polymer is the quick release of the peptides. To avoid this problem, covalent linking of the peptide is more beneficial. Here, we reviewed synthetic protocols that enable covalent grafting of peptides to polymers before or after the electrospinning procedures to obtain more robust electrospun materials. Applications and the performance of the new material compared to that of the starting polymer are discussed.
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15
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Mehrban N, Cardinale D, Gallo SC, Lee DDH, Arne Scott D, Dong H, Bowen J, Woolfson DN, Birchall MA, O'Callaghan C. α-Helical peptides on plasma-treated polymers promote ciliation of airway epithelial cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 122:111935. [PMID: 33641925 DOI: 10.1016/j.msec.2021.111935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/11/2021] [Accepted: 01/30/2021] [Indexed: 11/30/2022]
Abstract
Airway respiratory epithelium forms a physical barrier through intercellular tight junctions, which prevents debris from passing through to the internal environment while ciliated epithelial cells expel particulate-trapping mucus up the airway. Polymeric solutions to loss of airway structure and integrity have been unable to fully restore functional epithelium. We hypothesised that plasma treatment of polymers would permit adsorption of α-helical peptides and that this would promote functional differentiation of airway epithelial cells. Five candidate plasma compositions are compared; Air, N2, H2, H2:N2 and Air:N2. X-ray photoelectron spectroscopy shows changes in at% N and C 1s peaks after plasma treatment while electron microscopy indicates successful adsorption of hydrogelating self-assembling fibres (hSAF) on all samples. Subsequently, adsorbed hSAFs support human nasal epithelial cell attachment and proliferation and induce differentiation at an air-liquid interface. Transepithelial measurements show that the cells form tight junctions and produce cilia beating at the normal expected frequency of 10-11 Hz after 28 days in culture. The synthetic peptide system described in this study offers potential superiority as an epithelial regeneration substrate over present "gold-standard" materials, such as collagen, as they are controllable and can be chemically functionalised to support a variety of in vivo environments. Using the hSAF peptides described here in combination with plasma-treated polymeric surfaces could offer a way of improving the functionality and integration of implantable polymers for aerodigestive tract reconstruction and regeneration.
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Affiliation(s)
- Nazia Mehrban
- UCL Ear Institute, University College London, 332 Grays Inn Rd, London WC1X 8EE, UK.
| | - Daniela Cardinale
- Infection, Immunity and Inflammation Department, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford St, London WC1N 1EH, UK
| | - Santiago C Gallo
- Institute for Frontier Materials, Deakin University, 75 Pigdons Rd, Victoria, VIC 3216, Australia
| | - Dani D H Lee
- Infection, Immunity and Inflammation Department, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford St, London WC1N 1EH, UK
| | - D Arne Scott
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK
| | - Hanshan Dong
- School of Metallurgy and Materials, University of Birmingham, Elms Rd, Birmingham B15 2SE, UK
| | - James Bowen
- School of Engineering & Innovation, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK
| | - Derek N Woolfson
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK; School of Biochemistry, University of Bristol, University Walk, Bristol BS8 1TD, UK; Bristol BioDesign Institute, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK
| | - Martin A Birchall
- UCL Ear Institute, University College London, 332 Grays Inn Rd, London WC1X 8EE, UK
| | - Christopher O'Callaghan
- Infection, Immunity and Inflammation Department, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford St, London WC1N 1EH, UK
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16
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Yang CY, Huang WY, Chen LH, Liang NW, Wang HC, Lu J, Wang X, Wang TW. Neural tissue engineering: the influence of scaffold surface topography and extracellular matrix microenvironment. J Mater Chem B 2021; 9:567-584. [DOI: 10.1039/d0tb01605e] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Strategies using surface topography, contact guidance and biomechanical cues in the design of scaffolds as an ECM support for neural tissue engineering.
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Affiliation(s)
- Chun-Yi Yang
- Institute for Regenerative Medicine and Biomimetic Materials
- School of Materials Science and Engineering
- Tsinghua University
- Beijing
- China
| | - Wei-Yuan Huang
- Department of Materials Science and Engineering
- National Tsing Hua University
- Hsinchu
- Taiwan
| | - Liang-Hsin Chen
- Department of Materials Science and Engineering
- National Tsing Hua University
- Hsinchu
- Taiwan
| | - Nai-Wen Liang
- Department of Materials Science and Engineering
- National Tsing Hua University
- Hsinchu
- Taiwan
| | - Huan-Chih Wang
- Division of Neurosurgery
- Department of Surgery
- National Taiwan University Hospital
- Taipei
- Taiwan
| | - Jiaju Lu
- Institute for Regenerative Medicine and Biomimetic Materials
- School of Materials Science and Engineering
- Tsinghua University
- Beijing
- China
| | - Xiumei Wang
- Institute for Regenerative Medicine and Biomimetic Materials
- School of Materials Science and Engineering
- Tsinghua University
- Beijing
- China
| | - Tzu-Wei Wang
- Department of Materials Science and Engineering
- National Tsing Hua University
- Hsinchu
- Taiwan
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17
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Mokhtarinia K, Masaeli E. Transiently thermally responsive surfaces: Concepts for cell sheet engineering. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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18
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Meena P, Kakkar A, Kumar M, Khatri N, Nagar RK, Singh A, Malhotra P, Shukla M, Saraswat SK, Srivastava S, Datt R, Pandey S. Advances and clinical challenges for translating nerve conduit technology from bench to bed side for peripheral nerve repair. Cell Tissue Res 2020; 383:617-644. [PMID: 33201351 DOI: 10.1007/s00441-020-03301-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 09/14/2020] [Indexed: 12/19/2022]
Abstract
Injuries to the peripheral nervous system remain a large-scale clinical problem. These injuries often lead to loss of motor and/or sensory function that significantly affects patients' quality of life. The current neurosurgical approach for peripheral nerve repair involves autologous nerve transplantation, which often leads to clinical complications. The most pressing need is to increase the regenerative capacity of existing tubular constructs in the repair of large nerve gaps through development of tissue-engineered approaches that can surpass the performance of autografts. To fully realize the clinical potential of nerve conduit technology, there is a need to reconsider design strategies, biomaterial selection, fabrication techniques and the various potential modifications to optimize a conduit microenvironment that can best mimic the natural process of regeneration. In recent years, a significant progress has been made in the designing and functionality of bioengineered nerve conduits to bridge long peripheral nerve gaps in various animal models. However, translation of this work from lab to commercial scale has not been achieve. The current review summarizes recent advances in the development of tissue engineered nerve guidance conduits (NGCs) with regard to choice of material, novel fabrication methods, surface modifications and regenerative cues such as stem cells and growth factors to improve regeneration performance. Also, the current clinical potential and future perspectives to achieve therapeutic benefits of NGCs will be discussed in context of peripheral nerve regeneration.
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Affiliation(s)
- Poonam Meena
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Anupama Kakkar
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Mukesh Kumar
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Nitin Khatri
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Rakesh Kumar Nagar
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Aarti Singh
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Poonam Malhotra
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Manish Shukla
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Sumit Kumar Saraswat
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Supriya Srivastava
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Rajan Datt
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India
| | - Siddharth Pandey
- Department of Life Sciences, Datt Mediproducts Pvt. Ltd., Roz Ka Meo Industrial Area, District Mewat, Nuh, 122103, District Haryana, India.
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19
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Smith S, Goodge K, Delaney M, Struzyk A, Tansey N, Frey M. A Comprehensive Review of the Covalent Immobilization of Biomolecules onto Electrospun Nanofibers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2142. [PMID: 33121181 PMCID: PMC7692479 DOI: 10.3390/nano10112142] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 01/08/2023]
Abstract
Biomolecule immobilization has attracted the attention of various fields such as fine chemistry and biomedicine for their use in several applications such as wastewater, immunosensors, biofuels, et cetera. The performance of immobilized biomolecules depends on the substrate and the immobilization method utilized. Electrospun nanofibers act as an excellent substrate for immobilization due to their large surface area to volume ratio and interconnectivity. While biomolecules can be immobilized using adsorption and encapsulation, covalent immobilization offers a way to permanently fix the material to the fiber surface resulting in high efficiency, good specificity, and excellent stability. This review aims to highlight the various covalent immobilization techniques being utilized and their benefits and drawbacks. These methods typically fall into two categories: (1) direct immobilization and (2) use of crosslinkers. Direct immobilization techniques are usually simple and utilize the strong electrophilic functional groups on the nanofiber. While crosslinkers are used as an intermediary between the nanofiber substrate and the biomolecule, with some crosslinkers being present in the final product and others simply facilitating the reactions. We aim to provide an explanation of each immobilization technique, biomolecules commonly paired with said technique and the benefit of immobilization over the free biomolecule.
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Affiliation(s)
- Soshana Smith
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Katarina Goodge
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Michael Delaney
- Robert Frederick Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; (M.D.); (A.S.)
| | - Ariel Struzyk
- Robert Frederick Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; (M.D.); (A.S.)
| | - Nicole Tansey
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Margaret Frey
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
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20
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Masaeli E, Nasr-Esfahani MH. An in vivo evaluation of induced chondrogenesis by decellularized extracellular matrix particles. J Biomed Mater Res A 2020; 109:627-636. [PMID: 32608181 DOI: 10.1002/jbm.a.37047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 04/28/2020] [Accepted: 06/18/2020] [Indexed: 12/28/2022]
Abstract
Bioengineered scaffolds composed of synthetic materials and extracellular matrix (ECM) components can offer a tissue-specific microenvironment capable of regulating cells to regenerate the structure and function of the native cartilage. Here, given the potential preservation of biomechanical and biochemical cues found in the native cartilage, particulate decellularized ECM (DC-ECM) was utilized for immobilization on the surface of nanofibrous scaffolds. Afterward, the chondro-inductive potential and ectopic cartilage formation after subcutaneous implantation of bioengineered DC-ECM scaffolds were investigated in mice model. Eight weeks post-implantation, no growth of considerable inflammatory response and neovascularization was observed in histological images of bioengineered DC-ECM scaffolds. Pre-seeded bioengineered scaffolds with human adipose-derived stem cells exhibited high levels of chondro-induction capability, indicated with immunohistochemical and gene expression results. In both interval times, we also observed chondrogenesis and tissue formation after implanting unseeded bioengineered scaffolds, which denote that the presence of DC-ECM particles can even enhance attachment and migration of the host cells and induce chondrogenesis to them. To sum up, the incorporation of DC-ECM materials to tissue engineered constructs is a promising avenue to mimic the native tissue environment for regulation of cartilage regeneration in both in vivo and in vitro settings.
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Affiliation(s)
- Elahe Masaeli
- Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
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21
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Sosa‐Hernández JE, Villalba‐Rodríguez AM, Romero‐Castillo KD, Zavala‐Yoe R, Bilal M, Ramirez‐Mendoza RA, Parra‐Saldivar R, Iqbal HMN. Poly‐3‐hydroxybutyrate‐based constructs with novel characteristics for drug delivery and tissue engineering applications—A review. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25470] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
| | | | - Kenya D. Romero‐Castillo
- Tecnologico de MonterreySchool of Engineering and Sciences, Campus Monterrey Monterrey Nuevo Leon Mexico
| | - Ricardo Zavala‐Yoe
- Instituto Tecnologico de Monterrey, Campus Ciudad de Mexico Mexico City Mexico
| | - Muhammad Bilal
- School of Life Science and Food EngineeringHuaiyin Institute of Technology Huaian China
| | - Ricardo A. Ramirez‐Mendoza
- Tecnologico de MonterreySchool of Engineering and Sciences, Campus Monterrey Monterrey Nuevo Leon Mexico
| | - Roberto Parra‐Saldivar
- Tecnologico de MonterreySchool of Engineering and Sciences, Campus Monterrey Monterrey Nuevo Leon Mexico
| | - Hafiz M. N. Iqbal
- Tecnologico de MonterreySchool of Engineering and Sciences, Campus Monterrey Monterrey Nuevo Leon Mexico
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22
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Kovalcik A, Sangroniz L, Kalina M, Skopalova K, Humpolíček P, Omastova M, Mundigler N, Müller AJ. Properties of scaffolds prepared by fused deposition modeling of poly(hydroxyalkanoates). Int J Biol Macromol 2020; 161:364-376. [PMID: 32522546 DOI: 10.1016/j.ijbiomac.2020.06.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 05/31/2020] [Accepted: 06/02/2020] [Indexed: 12/18/2022]
Abstract
Poly(hydroxyalkanoates) are biodegradable and biocompatible polymers suitable for tissue engineering. Fused deposition modeling (FDM) belongs to modern rapid prototyping techniques for the fabrication of scaffolds. In this work, poly(3-hydroxybutyrate (PHB), poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) were tested for FDM. Thermal and rheological properties of industrial PHAs were compared with poly(lactic acid) (PLA), which is a biodegradable polymer commonly used for FDM. The massive decrease in viscosity and loss of molecular weight of PHB and PHBV precluded their use for FDM. On the other hand, the thermal stability of PHBH was comparable to that of PLA. PHBH scaffolds prepared by FDM exhibited excellent mechanical properties, no cytotoxicity and large proliferation of mouse embryonic fibroblast cells within 96 h. The hydrolytic degradation of PHBH and PLA scaffolds tested in synthetic gastric juice for 52 days confirmed a faster degradation of PHBH than PLA. The decrease in molecular weight confirmed the first-order kinetics with a slightly higher (0.0169 day-1) degradation rate constant for PHBH as compared to the value (0.0107 day-1) obtained for PLA. These results indicate that PHBH could be used to produce scaffolds by FDM with application in tissue engineering.
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Affiliation(s)
- Adriana Kovalcik
- Department of Food Chemistry and Biotechnology, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00 Brno, Czech Republic.
| | - Leire Sangroniz
- POLYMAT and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizabal 3, 20018 Donostia, San Sebastian, Spain
| | - Michal Kalina
- Department of Physical and Applied Chemistry, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00 Brno, Czech Republic
| | - Katerina Skopalova
- Centre of Polymer Systems, Faculty of Technology, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic
| | - Petr Humpolíček
- Centre of Polymer Systems, Faculty of Technology, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic
| | - Maria Omastova
- Polymer Institute, Slovak Academy of Sciences, Dubravska Cesta 9, 845 41 Bratislava 45, Slovak Republic
| | - Norbert Mundigler
- Department of Agrobiotechnology, IFA Tulln, Institute of Natural Materials Technology, University for Natural Resources and Life Sciences, Vienna, Konrad Lorenz Strasse 20, 3430 Tulln an der Donau, Austria
| | - Alejandro J Müller
- POLYMAT and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizabal 3, 20018 Donostia, San Sebastian, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Spain.
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23
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Idini M, Wieringa P, Rocchiccioli S, Nieddu G, Ucciferri N, Formato M, Lepedda A, Moroni L. Glycosaminoglycan functionalization of electrospun scaffolds enhances Schwann cell activity. Acta Biomater 2019; 96:188-202. [PMID: 31265920 DOI: 10.1016/j.actbio.2019.06.054] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 06/06/2019] [Accepted: 06/27/2019] [Indexed: 12/13/2022]
Abstract
Nerve fibers of the peripheral nervous system (PNS) have a remarkable ability to regenerate up to an almost complete recovery of normal function following a crush or a Sunderland Type II injury. This process is governed by glial cells, known as Schwann cells, through their unique capacity to dedifferentiate into cells that drive the healing process. Despite that many progresses have occurred in restorative medicine and microsurgery, the regenerative process after a severe lesion of a major nerve trunk (e.g., Sunderland Types III-V) is often incomplete and functional recovery is unsatisfactory. In this aspect, it is known that glycosaminoglycans (GAGs) of the extracellular matrix are involved in proliferation, synaptogenesis, neural plasticity, and regeneration of the PNS. Here, we developed poly(caprolactone) (PCL) fibrous scaffolds functionalized with GAGs, which allowed us to assess their influence on the adhesion, proliferation, and differentiation of Schwann cells. We found that both aligned and random fiber scaffolds functionalized with GAGs resulted in increased cell proliferation on day 1. In addition, aligned functionalized scaffolds also resulted in increased GAG presence on day 1, probably because of cell extracellular matrix (ECM) formation and an increased syndecan-4 expression on day 7. A different modification and activation of Schwann cells in the presence of GAG versus no-GAG scaffolds was underlined by proteomic comparative analysis, where a general downregulation of the expression of intracellular/structural and synthetic proteins was shown on day 7 for GAG-functionalized scaffolds with regard to the nonfunctionalized ones. In conclusion, we have shown that GAG-functionalized scaffolds are effective in modulating Schwann cell behavior in terms of adhesion, proliferation, and differentiation and should be considered in strategies to improve PNS repair. STATEMENT OF SIGNIFICANCE: Nerve fibers functional recovery following a severe trauma of the Peripheral Nervous System (PNS) still represents a huge challenge for neurosurgery nowadays. In this respect, tissue engineering is committed to develop new constructs able to guide Schwann cells by mimicking the natural extracellular matrix environment. To this purpose, we successfully fabricated polycaprolactone (PCL) scaffolds with two well-defined fiber deposition patterns, functionalized with glycosaminoglycans (GAGs) and assessed for their potential as support for Schwann cells adhesion, growth and differentiation, by both classical biochemistry and LC-MS-based proteomic profiling. By this way, we showed that PCL-GAGs scaffolds could represent a promising artificial substrate that closely mimics the recently established pattern of Schwann cells migration into the regenerating nerve and, therefore, it should be considered in strategies to improve PNS repair.
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Affiliation(s)
- Michela Idini
- Dipartimento di Scienze Biomediche University of Sassari, Viale S. Pietro 43/B, 07100 Sassari, Italy
| | - Paul Wieringa
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitsingel 40, 6229ER Maastricht, The Netherlands
| | - Silvia Rocchiccioli
- Institute of Clinical Physiology, National Research Council, Via Moruzzi 1, 56124 Pisa, Italy
| | - Gabriele Nieddu
- Dipartimento di Scienze Biomediche University of Sassari, Viale S. Pietro 43/B, 07100 Sassari, Italy
| | - Nadia Ucciferri
- Institute of Clinical Physiology, National Research Council, Via Moruzzi 1, 56124 Pisa, Italy
| | - Marilena Formato
- Dipartimento di Scienze Biomediche University of Sassari, Viale S. Pietro 43/B, 07100 Sassari, Italy
| | - Antonio Lepedda
- Dipartimento di Scienze Biomediche University of Sassari, Viale S. Pietro 43/B, 07100 Sassari, Italy
| | - Lorenzo Moroni
- Dipartimento di Scienze Biomediche University of Sassari, Viale S. Pietro 43/B, 07100 Sassari, Italy; Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitsingel 40, 6229ER Maastricht, The Netherlands.
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24
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Monfared A, Ghaee A, Ebrahimi-Barough S. Fabrication of tannic acid/poly(N-vinylpyrrolidone) layer-by-layer coating on Mg-based metallic glass for nerve tissue regeneration application. Colloids Surf B Biointerfaces 2018; 170:617-626. [DOI: 10.1016/j.colsurfb.2018.06.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 05/16/2018] [Accepted: 06/27/2018] [Indexed: 12/25/2022]
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25
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Du J, Chen H, Qing L, Yang X, Jia X. Biomimetic neural scaffolds: a crucial step towards optimal peripheral nerve regeneration. Biomater Sci 2018; 6:1299-1311. [PMID: 29725688 PMCID: PMC5978680 DOI: 10.1039/c8bm00260f] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Peripheral nerve injury is a common disease that affects more than 20 million people in the United States alone and remains a major burden to society. The current gold standard treatment for critical-sized nerve defects is autologous nerve graft transplantation; however, this method is limited in many ways and does not always lead to satisfactory outcomes. The limitations of autografts have prompted investigations into artificial neural scaffolds as replacements, and some neural scaffold devices have progressed to widespread clinical use; scaffold technology overall has yet to be shown to be consistently on a par with or superior to autografts. Recent advances in biomimetic scaffold technologies have opened up many new and exciting opportunities, and novel improvements in material, fabrication technique, scaffold architecture, and lumen surface modifications that better reflect biological anatomy and physiology have independently been shown to benefit overall nerve regeneration. Furthermore, biomimetic features of neural scaffolds have also been shown to work synergistically with other nerve regeneration therapy strategies such as growth factor supplementation, stem cell transplantation, and cell surface glycoengineering. This review summarizes the current state of neural scaffolds, highlights major advances in biomimetic technologies, and discusses future opportunities in the field of peripheral nerve regeneration.
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Affiliation(s)
- Jian Du
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA. ; Tel: +1 410-706-5025
| | - Huanwen Chen
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA. ; Tel: +1 410-706-5025
| | - Liming Qing
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA. ; Tel: +1 410-706-5025
| | - Xiuli Yang
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA. ; Tel: +1 410-706-5025
| | - Xiaofeng Jia
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA. ; Tel: +1 410-706-5025
- Department of Orthopedics, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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26
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Aijie C, Xuan L, Huimin L, Yanli Z, Yiyuan K, Yuqing L, Longquan S. Nanoscaffolds in promoting regeneration of the peripheral nervous system. Nanomedicine (Lond) 2018; 13:1067-1085. [PMID: 29790811 DOI: 10.2217/nnm-2017-0389] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The ability to surgically repair peripheral nerve injuries is urgently needed. However, traditional tissue engineering techniques, such as autologous nerve transplantation, have some limitations. Therefore, tissue engineered autologous nerve grafts have become a suitable choice for nerve repair. Novel tissue engineering techniques derived from nanostructured conduits have been shown to be superior to other successful functional neurological structures with different scaffolds in terms of providing the required structures and properties. Additionally, different biomaterials and growth factors have been added to nerve scaffolds to produce unique biological effects that promote nerve regeneration and functional recovery. This review summarizes the application of different nanoscaffolds in peripheral nerve repair and further analyzes how the nanoscaffolds promote peripheral nerve regeneration.
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Affiliation(s)
- Chen Aijie
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
- Guangdong Provincial Key Laboratory of Construction & Detection in Tissue Engineering, Guangzhou 510515, China
| | - Lai Xuan
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
| | - Liang Huimin
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
| | - Zhang Yanli
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
| | - Kang Yiyuan
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
| | - Lin Yuqing
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
| | - Shao Longquan
- Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, Guangdong 510515, China
- Guangdong Provincial Key Laboratory of Construction & Detection in Tissue Engineering, Guangzhou 510515, China
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27
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Golafshan N, Kharaziha M, Fathi M, Larson B, Giatsidis G, Masoumi N. Anisotropic architecture and electrical stimulation enhance neuron cell behaviour on a tough graphene embedded PVA: alginate fibrous scaffold. RSC Adv 2018; 8:6381-6389. [PMID: 35540432 PMCID: PMC9078254 DOI: 10.1039/c7ra13136d] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 01/31/2018] [Indexed: 12/16/2022] Open
Abstract
Tough scaffolds comprised of aligned and conductive fibers are promising for peripheral nerve regeneration due to their unique mechanical and electrical properties. Several studies have confirmed that electrical stimulation can control the axonal extension in vitro. However, the stimulatory effects of scaffold architecture and electrical stimulation have not yet been investigated in detail. Here, we assessed a comparison between aligned and random fibers made of graphene (Gr) embedded sodium alginate (SA) polyvinyl alcohol (PVA) (Gr-AP scaffolds) for peripheral nerve engineering. The effects of applied electrical stimulation and orientation of the fabricated fibers on the in vitro attachment, alignment, and proliferation of PC12 cells (a rat neuronal cell line) were investigated. The results revealed that the aligned fibrous Gr-AP scaffolds closely mimicked the anisotropic structure of the native sciatic nerve. Aligned fibrous Gr-AP scaffolds significantly improved mechanical properties as well as cell-scaffold integration compared to random fibrous scaffolds. In addition, electrical stimulation significantly improved PC12 cell proliferation. In summary, our findings revealed that aligned fibrous Gr-AP scaffolds offered superior mechanical characteristics and structural properties that enhanced neural cell–substrate interactions, resulting in a promising construct for nerve tissue regeneration. Tough scaffolds comprised of aligned and conductive fibers are promising for peripheral nerve regeneration due to their unique mechanical and electrical properties.![]()
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Affiliation(s)
- Nasim Golafshan
- Department of Materials Engineering
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran,
| | - Mahshid Kharaziha
- Department of Materials Engineering
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran,
| | - Mohammadhossein Fathi
- Department of Materials Engineering
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran,
| | - Benjamin L. Larson
- Harvard-MIT Division of Health Sciences and Technology
- Koch Institute for Integrative Cancer Research
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - Giorgio Giatsidis
- Department of Surgery
- Brigham and Women Hospital
- Harvard Medical School
- Boston
- USA
| | - Nafiseh Masoumi
- Harvard-MIT Division of Health Sciences and Technology
- Koch Institute for Integrative Cancer Research
- Massachusetts Institute of Technology
- Cambridge
- USA
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28
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Bedian L, Villalba-Rodríguez AM, Hernández-Vargas G, Parra-Saldivar R, Iqbal HMN. Bio-based materials with novel characteristics for tissue engineering applications - A review. Int J Biol Macromol 2017; 98:837-846. [PMID: 28223133 DOI: 10.1016/j.ijbiomac.2017.02.048] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 02/08/2017] [Accepted: 02/10/2017] [Indexed: 02/05/2023]
Abstract
Recently, a wider spectrum of bio-based materials and materials-based novel constructs and systems has been engineered with high interests. The key objective is to help for an enhanced/better quality of life in a secure way by avoiding/limiting various adverse effects of some in practice traditional therapies. In this context, different methodological approaches including in vitro, in vivo, and ex vivo techniques have been exploited, so far. Among them, bio-based therapeutic constructs are of supreme interests for an enhanced and efficient delivery in the current biomedical sector of the modern world. The development of new types of novel, effective and highly reliable materials-based novel constructs for multipurpose applications is essential and a core demand to tackle many human health related diseases. Bio-based materials possess several complementary functionalities, e.g. unique chemical structure, bioactivity, non-toxicity, biocompatibility, biodegradability, recyclability, etc. that position them well in the modern world's materials sector. In this context, the utilization of biomaterials provides extensive opportunities for experimentation in the field of interdisciplinary and multidisciplinary scientific research. With an aim to address the global dependence on petroleum-based polymers, researchers have been redirecting their interests to the engineering of biological materials for targeted applications in different industries including cosmetics, pharmaceuticals, and other biotechnological or biomedical applications. Herein, we reviewed biotechnological advancements at large and tissue engineering from a biomaterials perspective in particular and envision directions of future developments.
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Affiliation(s)
- Luis Bedian
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico
| | - Angel M Villalba-Rodríguez
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico
| | - Gustavo Hernández-Vargas
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico
| | - Roberto Parra-Saldivar
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico
| | - Hafiz M N Iqbal
- School of Engineering and Science, Tecnologico de Monterrey, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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29
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Tonazzini I, Moffa M, Pisignano D, Cecchini M. Neuregulin 1 functionalization of organic fibers for Schwann cell guidance. NANOTECHNOLOGY 2017; 28:155303. [PMID: 28303795 DOI: 10.1088/1361-6528/aa6316] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The repair of peripheral nerve lesions is a clinical problem where the functional recovery is often far from being satisfactory, although peripheral nerves generally retain good potential for regeneration. Here, we develop a novel scaffold approach based on bioactive fibers of poly(ε-caprolactone) where nanotopographical guidance and neuregulin 1 (NRG1) cues are combined. We interface them with rat primary Schwann cells (SCs), the peripheral glial cells that drive initial regeneration of injured nerves, and found that the combination of NRG1 with parallel nano-fibrous topographies is effective in improving SC growth up to 72 h, alignment to fiber topography, and bipolar differentiation, opening original perspectives for nerve repair applications.
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Affiliation(s)
- Ilaria Tonazzini
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa I-56127, Italy. Fondazione Umberto Veronesi, Piazza Velasca 5, Milan I-20122, Italy
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30
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Merolli A, Mao Y, Kohn J. A suspended carbon fiber culture to model myelination by human Schwann cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:57. [PMID: 28210970 DOI: 10.1007/s10856-017-5867-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 02/07/2017] [Indexed: 06/06/2023]
Abstract
Understanding of myelination/remyelination process is essential to guide tissue engineering for nerve regeneration. In vitro models currently used are limited to cell population studies and cannot easily identify individual cell contribution to the process. We established a novel model to study the contribution of human Schwann cells to the myelination process. The model avoids the presence of neurons in culture; Schwann cells respond solely to the biophysical properties of an artificial axon. The model uses a single carbon fiber suspended in culture media far from the floor of the well. The fiber provides an elongated structure of defined diameter with 360-degree of surface available for human Schwann cells to wrap around. This model enabled us to spatially and temporally track the myelination by individual Schwann cells along the fiber. We observed cell attachment, elongation and wrapping over a period of 9 days. Cells remained alive and expressed Myelin Basic Protein and Myelin Associated Glycoprotein as expected. Natural and artificial molecules, and external physical factors (e.g., p atterned electrical impulses), may be tested with this model as possible regulators of myelination.
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Affiliation(s)
- Antonio Merolli
- New Jersey Center for Biomaterials, Rutgers-The State University of New Jersey, 145 Bevier Rd., Piscataway, NJ, 08854, USA.
- Policlinico Gemelli, Universita' Cattolica del Sacro Cuore, largo Gemelli 8, 00168, Rome, Italy.
| | - Yong Mao
- New Jersey Center for Biomaterials, Rutgers-The State University of New Jersey, 145 Bevier Rd., Piscataway, NJ, 08854, USA
| | - Joachim Kohn
- New Jersey Center for Biomaterials, Rutgers-The State University of New Jersey, 145 Bevier Rd., Piscataway, NJ, 08854, USA
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31
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Nune M, Subramanian A, Krishnan UM, Kaimal SS, Sethuraman S. Self-assembling peptide nanostructures on aligned poly(lactide-co-glycolide) nanofibers for the functional regeneration of sciatic nerve. Nanomedicine (Lond) 2017; 12:219-235. [DOI: 10.2217/nnm-2016-0323] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Regeneration of functional peripheral nerve tissue at critical-sized defect requires extracellular matrix analogs impregnated with appropriate biosignals to regulate the cell fate process and subsequent tissue progression. The aim of the study was to develop electrospun aligned nanofibers as architectural analogs integrated with RADA16-I-BMHP1 as biofunctional peptides. Materials & methods: Aligned poly(lactide-co-glycolide) (PLGA)-RADA16-I-BMHP1 nanofibers were fabricated and characterized for their in vitro potential using rat Schwann cell line and in vivo potential using a 10 mm sciatic nerve transection rat model. Results: PLGA-peptide scaffolds significantly promoted higher expression of genotypic markers and bipolar extension of Schwann cells. Further, PLGA-peptide treated animals promoted the native collagen organization, remyelination and showed significantly higher recovery of sensorimotor and motor function than PLGA-treated groups (p < 0.05). Conclusion: Our results demonstrate that self-assembling peptide nanostructures on aligned PLGA nanofibers provided better cell–matrix communication with significant functional restoration of the sciatic nerve.
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Affiliation(s)
- Manasa Nune
- Centre for Nanotechnology & Advanced Biomaterials, School of Chemical & Biotechnology, SASTRA University, Thanjavur - 613401, Tamil Nadu, India
| | - Anuradha Subramanian
- Centre for Nanotechnology & Advanced Biomaterials, School of Chemical & Biotechnology, SASTRA University, Thanjavur - 613401, Tamil Nadu, India
| | - Uma Maheswari Krishnan
- Centre for Nanotechnology & Advanced Biomaterials, School of Chemical & Biotechnology, SASTRA University, Thanjavur - 613401, Tamil Nadu, India
| | - Suraj Sasidhara Kaimal
- Veterinary dispensary - Paliyode, Department of Animal Husbandry, Government of Kerala, Trivandrum - 695124, Kerala, India
| | - Swaminathan Sethuraman
- Centre for Nanotechnology & Advanced Biomaterials, School of Chemical & Biotechnology, SASTRA University, Thanjavur - 613401, Tamil Nadu, India
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32
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Masaeli E, Karamali F, Loghmani S, Eslaminejad MB, Nasr-Esfahani MH. Bio-engineered electrospun nanofibrous membranes using cartilage extracellular matrix particles. J Mater Chem B 2017; 5:765-776. [DOI: 10.1039/c6tb02015a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Functionalized nanofibrous scaffolds with decellularized ECM (DECM) particles can mimic the natural motifs of cartilage ECMs and enhance chondro-inductivity for tissue engineering applications.
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Affiliation(s)
- Elahe Masaeli
- Department of Cellular Biotechnology
- Cell Science Research Center
- Royan Institute for Biotechnology
- ACECR
- Isfahan
| | - Fereshte Karamali
- Department of Cellular Biotechnology
- Cell Science Research Center
- Royan Institute for Biotechnology
- ACECR
- Isfahan
| | - Shahriar Loghmani
- Department of Cellular Biotechnology
- Cell Science Research Center
- Royan Institute for Biotechnology
- ACECR
- Isfahan
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology
- Cell Science Research Center
- Royan Institute for Stem Cell Biology and Technology
- ACECR
- Tehran
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33
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Effects of isothermal crystallization on the mechanical properties of a elastomeric medium chain length polyhydroxyalkanoate. Eur Polym J 2016. [DOI: 10.1016/j.eurpolymj.2016.10.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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34
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Vallejo-Giraldo C, Pugliese E, Larrañaga A, Fernandez-Yague MA, Britton JJ, Trotier A, Tadayyon G, Kelly A, Rago I, Sarasua JR, Dowd E, Quinlan LR, Pandit A, Biggs MJP. Polyhydroxyalkanoate/carbon nanotube nanocomposites: flexible electrically conducting elastomers for neural applications. Nanomedicine (Lond) 2016; 11:2547-63. [DOI: 10.2217/nnm-2016-0075] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Aim: Medium chain length-polyhydroxyalkanoate/multi-walled carbon nanotube (MWCNTs) nanocomposites with a range of mechanical and electrochemical properties were fabricated via assisted dispersion and solvent casting, and their suitability as neural interface biomaterials was investigated. Materials & methods: Mechanical and electrical properties of medium chain length-polyhydroxyalkanoate/MWCNTs nanocomposite films were evaluated by tensile test and electrical impedance spectroscopy, respectively. Primary rat mesencephalic cells were seeded on the composites and quantitative immunostaining of relevant neural biomarkers, and electrical stimulation studies were performed. Results: Incorporation of MWCNTs to the polymeric matrix modulated the mechanical and electrical properties of resulting composites, and promoted differential cell viability, morphology and function as a function of MWCNT concentration. Conclusion: This study demonstrates the feasibility of a green thermoplastic MWCNTs nanocomposite for potential use in neural interfacing applications.
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Affiliation(s)
- Catalina Vallejo-Giraldo
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
| | - Eugenia Pugliese
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
| | - Aitor Larrañaga
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Mining-Metallurgy Engineering & Materials Science & POLYMAT, School of Engineering, University of the Basque Country (UPV/EHU) 480130 Bilbao, Spain
| | - Marc A Fernandez-Yague
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
| | - James J Britton
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
| | - Alexandre Trotier
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
| | - Ghazal Tadayyon
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
| | - Adriona Kelly
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
| | - Ilaria Rago
- Department of Physics, University of Trieste, Via Valerio 2-34127, Trieste, Italy
| | - Jose-Ramon Sarasua
- Department of Mining-Metallurgy Engineering & Materials Science & POLYMAT, School of Engineering, University of the Basque Country (UPV/EHU) 480130 Bilbao, Spain
| | - Eilís Dowd
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Physics, University of Trieste, Via Valerio 2-34127, Trieste, Italy
| | - Leo R Quinlan
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Pharmacology, National University of Ireland, Galway, Ireland
| | - Abhay Pandit
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
| | - Manus JP Biggs
- CÚRAM – Centre for Research in Medical Devices, National University of Ireland, Galway, Ireland
- Department of Biomedical Engineering, National University of Ireland, Galway, Ireland
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35
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Lemes AC, Sala L, Ores JDC, Braga ARC, Egea MB, Fernandes KF. A Review of the Latest Advances in Encrypted Bioactive Peptides from Protein-Rich Waste. Int J Mol Sci 2016; 17:E950. [PMID: 27322241 PMCID: PMC4926483 DOI: 10.3390/ijms17060950] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 05/31/2016] [Accepted: 06/09/2016] [Indexed: 12/27/2022] Open
Abstract
Bioactive peptides are considered the new generation of biologically active regulators that not only prevent the mechanism of oxidation and microbial degradation in foods but also enhanced the treatment of various diseases and disorders, thus increasing quality of life. This review article emphasizes recent advances in bioactive peptide technology, such as: (i) new strategies for transforming bioactive peptides from residual waste into added-value products; (ii) nanotechnology for the encapsulation, protection and release of controlled peptides; and (iii) use of techniques of large-scale recovery and purification of peptides aiming at future applications to pharmaceutical and food industries.
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Affiliation(s)
- Ailton Cesar Lemes
- Federal University of Rio Grande, Chemistry and Food School, Rio Grande 96201-900, Brazil.
| | - Luisa Sala
- Federal University of Rio Grande, Chemistry and Food School, Rio Grande 96201-900, Brazil.
| | - Joana da Costa Ores
- Federal University of Rio Grande, Chemistry and Food School, Rio Grande 96201-900, Brazil.
| | | | - Mariana Buranelo Egea
- Federal Institute of Education, Science and Technology Goiano, Campus Rio Verde, Rio Verde 75901-970, Brazil.
| | - Kátia Flávia Fernandes
- Federal University of Goiás, Institute of Biological Sciences II, Goiânia 74001-970, Brazil.
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36
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Fuller KP, Gaspar D, Delgado LM, Pandit A, Zeugolis DI. Influence of porosity and pore shape on structural, mechanical and biological properties of poly ϵ-caprolactone electro-spun fibrous scaffolds. Nanomedicine (Lond) 2016; 11:1031-40. [DOI: 10.2217/nnm.16.21] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Background: Electro-spun scaffolds are utilized in a diverse spectrum of clinical targets, with an ever-increasing quantity of work progressing to clinical studies and commercialization. The limited number of conformations in which the scaffolds can be fabricated hampers their wide acceptance in clinical practice. Materials & methods: Herein, we assessed a single-strep fabrication process for predesigned electro-spun scaffold preparation and the ramifications of the introduction of porosity (0, 30, 50, 70%) and pore shape (circle, rhomboid, square) on structural, mechanical (tensile and ball burst) and biological (dermal fibroblast and THP-1) properties. Results: The collector design did not affect the fibrous nature of the scaffold. Modulation of the porosity and pore shape offered control over the mechanical properties of the scaffolds. Neither the porosity nor the pore shape affected cellular (dermal fibroblast and THP-1) response. Conclusion: Overall, herein we provide evidence that electro-spun scaffolds of controlled architecture can be fabricated with fibrous fidelity, adequate mechanical properties and acceptable cytocompatibility for a diverse range of clinical targets.
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Affiliation(s)
- Kieran P Fuller
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Diana Gaspar
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Luis M Delgado
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Abhay Pandit
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
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37
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Goonoo N, Bhaw-Luximon A, Passanha P, Esteves SR, Jhurry D. Third generation poly(hydroxyacid) composite scaffolds for tissue engineering. J Biomed Mater Res B Appl Biomater 2016; 105:1667-1684. [PMID: 27080439 DOI: 10.1002/jbm.b.33674] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 03/10/2016] [Accepted: 03/20/2016] [Indexed: 12/13/2022]
Abstract
Bone tissue engineering based on scaffolds is quite a complex process as a whole gamut of criteria needs to be satisfied to promote cellular attachment, proliferation and differentiation: biocompatibility, right surface properties, adequate mechanical performance, controlled bioresorbability, osteoconductivity, angiogenic cues, and vascularization. Third generation scaffolds are more of composite types to maximize biological-mechanical-chemical properties. In the present review, our focus is on the performance of micro-organism-derived polyhydroxyalkanoates (PHAs)-polyhydroxybutyrate (PHB) and polyhydroxybutyrate-co-valerate (PHBV)-composite scaffolds with ceramics and natural polymers for tissue engineering applications with emphasis on bone tissue. We particularly emphasize on how material properties of the composites affect scaffold performance. PHA-based composites have demonstrated their biocompatibility with a range of tissues and their capacity to induce osteogenesis due to their piezoelectric properties. Electrospun PHB/PHBV fiber mesh in combination with human adipose tissue-derived stem cells (hASCs) were shown to improve vascularization in engineered bone tissues. For nerve and skin tissue engineering applications, natural polymers such as collagen and chitosan remain the gold standard but there is scope for development of scaffolds combining PHAs with other natural polymers which can address some of the limitations such as brittleness, lack of bioactivity and slow degradation rate presented by the latter. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 1667-1684, 2017.
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Affiliation(s)
- Nowsheen Goonoo
- Centre for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius
| | - Archana Bhaw-Luximon
- Centre for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius
| | - Pearl Passanha
- Sustainable Environment Research Centre, Faculty of Computing, Engineering and Science, University of South Wales, Pontypridd, Wales, CF37 1DL, UK
| | - Sandra R Esteves
- Sustainable Environment Research Centre, Faculty of Computing, Engineering and Science, University of South Wales, Pontypridd, Wales, CF37 1DL, UK
| | - Dhanjay Jhurry
- Centre for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius
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38
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Levine AC, Heberlig GW, Nomura CT. Use of thiol-ene click chemistry to modify mechanical and thermal properties of polyhydroxyalkanoates (PHAs). Int J Biol Macromol 2016; 83:358-65. [DOI: 10.1016/j.ijbiomac.2015.11.048] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 11/16/2015] [Accepted: 11/18/2015] [Indexed: 10/22/2022]
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39
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Wang Q, Zai Y, Yang D, Qiu L, Niu C. Bio-based elastomer nanoparticles with controllable biodegradability. RSC Adv 2016. [DOI: 10.1039/c6ra24336c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Using melt polycondensation of bio-derived dicarboxylic acids and diols, followed by polyester emulsification and radiation, we fabricate the bio-based elastomer nanoparticles with controllable biodegradability, which can be used in biomedical fields.
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Affiliation(s)
- Qingguo Wang
- Key Laboratory of Rubber-Plastics of Ministry of Education
- Qingdao University of Science and Technology
- Qingdao 266042
- China
- Shandong Provincial Key Laboratory of Rubber-Plastics
| | - Yingying Zai
- Key Laboratory of Rubber-Plastics of Ministry of Education
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Dejing Yang
- Key Laboratory of Rubber-Plastics of Ministry of Education
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Liyan Qiu
- Key Laboratory of Rubber-Plastics of Ministry of Education
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Chengqun Niu
- Key Laboratory of Rubber-Plastics of Ministry of Education
- Qingdao University of Science and Technology
- Qingdao 266042
- China
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40
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KÖSE S, AERTS KAYA F, DENKBAŞ EB, KORKUSUZ P, ÇETİNKAYA FD. Evaluation of biocompatibility of random or aligned electrospun polyhydroxybutyrate scaffolds combined with human mesenchymal stem cells. Turk J Biol 2016. [DOI: 10.3906/biy-1508-18] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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41
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Sedaghati T, Seifalian AM. Nanotechnology and bio-functionalisation for peripheral nerve regeneration. Neural Regen Res 2015; 10:1191-4. [PMID: 26487832 PMCID: PMC4590217 DOI: 10.4103/1673-5374.162678] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
There is a high clinical demand for new smart biomaterials, which stimulate neuronal cell proliferation, migration and increase cell-material interaction to facilitate nerve regeneration across these critical-sized defects. This article briefly reviews several up-to-date published studies using Arginine-Glycine-Aspartic acid peptide sequence, nanocomposite based on polyhedral oligomeric silsesquioxane nanoparticle and nanofibrous scaffolds as promising strategies to enhance peripheral nerve regeneration by influencing cellular behaviour such as attachment, spreading and proliferation. The aim is to establish the potent manipulations, which are simple and easy to employ in the clinical conditions for nerve regeneration and repair.
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Affiliation(s)
- Tina Sedaghati
- Centre for Nanotechnology and Regenerative Medicine, Division of Surgery & Interventional Science, University College London, London, UK
| | - Alexander M Seifalian
- Centre for Nanotechnology and Regenerative Medicine, Division of Surgery & Interventional Science, University College London, London, UK ; Royal Free NHS Trust Foundation Hospital, London, UK ; NanoRegMed Ltd, London, UK
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42
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de Luca AC, Lacour SP, Raffoul W, di Summa PG. Extracellular matrix components in peripheral nerve repair: how to affect neural cellular response and nerve regeneration? Neural Regen Res 2015; 9:1943-8. [PMID: 25598773 PMCID: PMC4283273 DOI: 10.4103/1673-5374.145366] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2014] [Indexed: 01/09/2023] Open
Abstract
Peripheral nerve injury is a serious problem affecting significantly patients’ life. Autografts are the “gold standard” used to repair the injury gap, however, only 50% of patients fully recover from the trauma. Artificial conduits are a valid alternative to repairing peripheral nerve. They aim at confining the nerve environment throughout the regeneration process, and providing guidance to axon outgrowth. Biocompatible materials have been carefully designed to reduce inflammation and scar tissue formation, but modifications of the inner lumen are still required in order to optimise the scaffolds. Biomicking the native neural tissue with extracellular matrix fillers or coatings showed great promises in repairing longer gaps and extending cell survival. In addition, extracellular matrix molecules provide a platform to further bind growth factors that can be released in the system over time. Alternatively, conduit fillers can be used for cell transplantation at the injury site, reducing the lag time required for endogenous Schwann cells to proliferate and take part in the regeneration process. This review provides an overview on the importance of extracellular matrix molecules in peripheral nerve repair.
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Affiliation(s)
- Alba C de Luca
- EPFL, Centre for Neuroprosthetics, Laboratory for Soft Bioelectronic Interfaces, Station 17, 1015 Lausanne, Switzerland
| | - Stephanie P Lacour
- EPFL, Centre for Neuroprosthetics, Laboratory for Soft Bioelectronic Interfaces, Station 17, 1015 Lausanne, Switzerland
| | - Wassim Raffoul
- Department of Plastic, Reconstructive and Hand Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
| | - Pietro G di Summa
- Department of Plastic, Reconstructive and Hand Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
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Zheng J, Kontoveros D, Lin F, Hua G, Reneker DH, Becker ML, Willits RK. Enhanced Schwann cell attachment and alignment using one-pot "dual click" GRGDS and YIGSR derivatized nanofibers. Biomacromolecules 2015; 16:357-63. [PMID: 25479181 PMCID: PMC5953569 DOI: 10.1021/bm501552t] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Using metal-free click chemistry and oxime condensation methodologies, GRGDS and YIGSR peptides were coupled to random and aligned degradable nanofiber networks postelectrospinning in a one-pot reaction. The bound peptides are bioactive, as demonstrated by Schwann cell attachment and proliferation, and the inclusion of YIGSR with GRGDS alters the expression of the receptor for YIGSR. Additionally, aligned nanofibers act as a potential guidance cue by increasing the aspect ratio and aligning the actin filaments, which suggest that peptide-functionalized scaffolds would be useful to direct SCs for peripheral nerve regeneration.
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Affiliation(s)
- Jukuan Zheng
- Departments of ‡Polymer Science and §Biomedical Engineering, The University of Akron , Akron, Ohio 44325, United States
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Characterization of Olfactory Ensheathing Glial Cells Cultured on Polyurethane/Polylactide Electrospun Nonwovens. INT J POLYM SCI 2015. [DOI: 10.1155/2015/908328] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The aim of this research was to evaluate novel biomaterials for neural regeneration. The investigated materials were composed of polyurethane (PU) and polylactide (PLDL) blended at three different w/w ratios, that is, 5/5, 6/4, and 8/2 of PU/PLDL. Ultrathin fibrous scaffolds were prepared using electrospinning. The scaffolds were investigated for their applicability for nerve regeneration by culturing rat olfactory ensheathing glial cells. Cells were cultured on the materials for seven days, during which cellular morphology, phenotype, and metabolic activity were analysed. SEM analysis of the fabricated fibrous scaffolds showed fibers of a diameter mainly lower than 600 μm with unimportant volume of protrusions situated along the fibers, with nonsignificant differences between all analysed materials. Cells cultured on the materials showed differences in their morphology and metabolic activity, depending on the blend composition. The most proper morphology, with numerous p75+and GFAP+cells present, was observed in the sample 6/4, whereas the highest metabolic activity was measured in the sample 5/5. However, none of the investigated samples showed cytotoxicity or negatively influenced cellular morphology. Therefore, the novel electrospun fibrous materials may be considered for regenerative medicine applications, and especially when contacting with highly sensitive nervous cells.
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Shin YC, Lee JH, Jin L, Kim MJ, Oh JW, Kim TW, Han DW. Cell-adhesive RGD peptide-displaying M13 bacteriophage/PLGA nanofiber matrices for growth of fibroblasts. Biomater Res 2014; 18:14. [PMID: 26331065 PMCID: PMC4552277 DOI: 10.1186/2055-7124-18-14] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 08/29/2014] [Indexed: 01/11/2023] Open
Abstract
Background M13 bacteriophages can be readily fabricated as nanofibers due to non-toxic bacterial virus with a nanofiber-like shape. In the present study, we prepared hybrid nanofiber matrices composed of poly(lactic-co-glycolic acid, PLGA) and M13 bacteriophages which were genetically modified to display the RGD peptide on their surface (RGD-M13 phage). Results The surface morphology and chemical composition of hybrid nanofiber matrices were characterized by scanning electron microscopy (SEM) and Raman spectroscopy, respectively. Immunofluorescence staining was conducted to investigate the existence of M13 bacteriophages in RGD-M13 phage/PLGA hybrid nanofibers. In addition, the attachment and proliferation of three different types of fibroblasts on RGD-M13 phage/PLGA nanofiber matrices were evaluated to explore how fibroblasts interact with these matrices. SEM images showed that RGD-M13 phage/PLGA hybrid matrices had the non-woven porous structure, quite similar to that of natural extracellular matrices, having an average fiber diameter of about 190 nm. Immunofluorescence images and Raman spectra revealed that RGD-M13 phages were homogeneously distributed in entire matrices. Moreover, the attachment and proliferation of fibroblasts cultured on RGD-M13 phage/PLGA matrices were significantly enhanced due to enriched RGD moieties on hybrid matrices. Conclusions These results suggest that RGD-M13 phage/PLGA matrices can be efficiently used as biomimetic scaffolds for tissue engineering applications.
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Affiliation(s)
- Yong Cheol Shin
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 609-735 Korea
| | - Jong Ho Lee
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 609-735 Korea
| | - Linhua Jin
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 609-735 Korea
| | - Min Jeong Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 609-735 Korea
| | - Jin-Woo Oh
- Department of Nanomaterials Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan, 609-735 Korea
| | - Tai Wan Kim
- Department of Design, College of Arts, Pusan National University, Busan, 609-735 Korea
| | - Dong-Wook Han
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 609-735 Korea
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Chaudhury K, Kumar V, Kandasamy J, RoyChoudhury S. Regenerative nanomedicine: current perspectives and future directions. Int J Nanomedicine 2014; 9:4153-67. [PMID: 25214780 PMCID: PMC4159316 DOI: 10.2147/ijn.s45332] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Nanotechnology has considerably accelerated the growth of regenerative medicine in recent years. Application of nanotechnology in regenerative medicine has revolutionized the designing of grafts and scaffolds which has resulted in new grafts/scaffold systems having significantly enhanced cellular and tissue regenerative properties. Since the cell–cell and cell-matrix interaction in biological systems takes place at the nanoscale level, the application of nanotechnology gives an edge in modifying the cellular function and/or matrix function in a more desired way to mimic the native tissue/organ. In this review, we focus on the nanotechnology-based recent advances and trends in regenerative medicine and discussed under individual organ systems including bone, cartilage, nerve, skin, teeth, myocardium, liver and eye. Recent studies that are related to the design of various types of nanostructured scaffolds and incorporation of nanomaterials into the matrices are reported. We have also documented reports where these materials and matrices have been compared for their better biocompatibility and efficacy in supporting the damaged tissue. In addition to the recent developments, future directions and possible challenges in translating the findings from bench to bedside are outlined.
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Affiliation(s)
- Koel Chaudhury
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, West Bengal, India
| | - Vishu Kumar
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, West Bengal, India
| | - Jayaprakash Kandasamy
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, West Bengal, India
| | - Sourav RoyChoudhury
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur, West Bengal, India
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Carbone EJ, Jiang T, Nelson C, Henry N, Lo KWH. Small molecule delivery through nanofibrous scaffolds for musculoskeletal regenerative engineering. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2014; 10:1691-9. [PMID: 24907464 DOI: 10.1016/j.nano.2014.05.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Revised: 05/19/2014] [Accepted: 05/29/2014] [Indexed: 01/26/2023]
Abstract
UNLABELLED Musculoskeletal regenerative engineering approach using small bioactive molecules in conjunction with advanced materials has emerged as a highly promising strategy for musculoskeletal repair and regeneration. Advanced biomaterials technologies have revealed nanofiber-based scaffolds for musculoskeletal tissue engineering as vehicles for the controlled delivery of small molecule drugs. This review article highlights recent advances in nanofiber-based delivery of small molecules for musculoskeletal regenerative engineering. The article concludes with perspectives on the challenges and future directions. FROM THE CLINICAL EDITOR In this review, advances in nanofiber-based delivery of small molecules are discussed from the standpoint of their potential role in musculoskeletal regenerative engineering, highlighting both future directions and current challenges.
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Affiliation(s)
- Erica J Carbone
- Institute for Regenerative Engineering, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; The Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; Department of Medicine, Division of Endocrinology, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030
| | - Tao Jiang
- Institute for Regenerative Engineering, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; The Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; Department of Medicine, Division of Endocrinology, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030
| | - Clarke Nelson
- Institute for Regenerative Engineering, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; The Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; Department of Orthopaedic Surgery, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030
| | - Nicole Henry
- Institute for Regenerative Engineering, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030
| | - Kevin W-H Lo
- Institute for Regenerative Engineering, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; The Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; Department of Medicine, Division of Endocrinology, University of Connecticut Health Center, School of Medicine, Farmington, Connecticut 06030; Department of Biomedical Engineering, University of Connecticut, School of Engineering, Storrs, Connecticut 06268.
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