1
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Sharifi M, Kamalabadi-Farahani M, Salehi M, Ebrahimi-Barough S, Alizadeh M. Recent advances in enhances peripheral nerve orientation: the synergy of micro or nano patterns with therapeutic tactics. J Nanobiotechnology 2024; 22:194. [PMID: 38643117 PMCID: PMC11031871 DOI: 10.1186/s12951-024-02475-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/11/2024] [Indexed: 04/22/2024] Open
Abstract
Several studies suggest that topographical patterns influence nerve cell fate. Efforts have been made to improve nerve cell functionality through this approach, focusing on therapeutic strategies that enhance nerve cell function and support structures. However, inadequate nerve cell orientation can impede long-term efficiency, affecting nerve tissue repair. Therefore, enhancing neurites/axons directional growth and cell orientation is crucial for better therapeutic outcomes, reducing nerve coiling, and ensuring accurate nerve fiber connections. Conflicting results exist regarding the effects of micro- or nano-patterns on nerve cell migration, directional growth, immunogenic response, and angiogenesis, complicating their clinical use. Nevertheless, advances in lithography, electrospinning, casting, and molding techniques to intentionally control the fate and neuronal cells orientation are being explored to rapidly and sustainably improve nerve tissue efficiency. It appears that this can be accomplished by combining micro- and nano-patterns with nanomaterials, biological gradients, and electrical stimulation. Despite promising outcomes, the unclear mechanism of action, the presence of growth cones in various directions, and the restriction of outcomes to morphological and functional nerve cell markers have presented challenges in utilizing this method. This review seeks to clarify how micro- or nano-patterns affect nerve cell morphology and function, highlighting the potential benefits of cell orientation, especially in combined approaches.
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Affiliation(s)
- Majid Sharifi
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
- Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
| | | | - Majid Salehi
- Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Somayeh Ebrahimi-Barough
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Morteza Alizadeh
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran
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2
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Huang J, Wu J, Wang J, Xu M, Jiao J, Qiang Y, Zhang F, Li Z. Rock Climbing-Inspired Electrohydrodynamic Cryoprinting of Micropatterned Porous Fiber Scaffolds with Improved MSC Therapy for Wound Healing. ADVANCED FIBER MATERIALS 2023; 5:312-326. [DOI: 10.1007/s42765-022-00224-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/09/2022] [Indexed: 10/28/2023]
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3
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Hu X, Xu Y, Xu Y, Li Y, Guo J. Nanotechnology and Nanomaterials in Peripheral Nerve Repair and Reconstruction. Nanomedicine (Lond) 2023. [DOI: 10.1007/978-981-16-8984-0_30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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4
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Wang Y, Li Y, Huang Z, Yang B, Mu N, Yang Z, Deng M, Liao X, Yin G, Nie Y, Chen T, Ma H. Gene delivery of chitosan-graft-polyethyleneimine vectors loaded on scaffolds for nerve regeneration. Carbohydr Polym 2022; 290:119499. [PMID: 35550777 DOI: 10.1016/j.carbpol.2022.119499] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 12/31/2022]
Abstract
As an important transcription factor, c-Jun could upregulate growth factors expression in Schwann cells (SCs). Arginine-Glycine-Aspartate (RGD)-functionalized chitosan-graft-polyethyleneimine (RCP) gene vectors were prepared through the maleic anhydride & the carbodiimide methods, and electrostatically bound with c-Jun plasmids (pJUN), finally loaded on poly-L-lactic acid/silk fibroin parallel fiber films to fabricate nerve scaffold (RCP/pJUN-PSPF@PGA), which could locally deliver c-Jun plasmids into SCs via the mediation of RGD peptides, and upregulate the expression of nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) in SCs. After the scaffold was bridged in sciatic nerve defect, the delivery of c-Jun plasmids from RCP/pJUN-PSPF@PGA facilitated SCs to sustain the expressions of NGF, BDNF and vascular endothelial growth factor in the injury field, promoting myelination, axonal growth and microvascular generation and nerve regeneration, muscle reinnervation and functional recovery. These results suggested that RCP/pDNA-PSPF@PGA, as an effective gene delivery platform, could provide a local gene therapy to improve nerve regeneration.
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Affiliation(s)
- Yulin Wang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Ya Li
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Zhongbing Huang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China.
| | - Bing Yang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Ning Mu
- Department of Neurosurgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, PR China
| | - Zhaopu Yang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Min Deng
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xiaoming Liao
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Guangfu Yin
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Yu Nie
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Tunan Chen
- Department of Neurosurgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, PR China.
| | - Hua Ma
- Department of Neurosurgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, PR China
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5
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Zhao G, Zhou H, Jin G, Jin B, Geng S, Luo Z, Ge Z, Xu F. Rational Design of Electrically Conductive Biomaterials toward Excitable Tissues Regeneration. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Marques‐Almeida T, Fernandes LC, Correia DM, Tubio CR, Lanceros‐Mendez S, Ribeiro C. Piezoelectric biodegradable poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) based electrospun fiber mats with tailored porosity. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Teresa Marques‐Almeida
- Center of Physics University of Minho Braga Portugal
- CEB ‐ Centre of Biological Engineering University of Minho Braga Portugal
| | - Liliana C. Fernandes
- Center of Physics University of Minho Braga Portugal
- BCMaterials, Basque Center for Materials, Applications and Nanostructures Leioa Spain
| | - Daniela M. Correia
- Center of Physics University of Minho Braga Portugal
- Centre of Chemistry and CQ‐VR University of Trás‐os‐Montes e Alto Douro Vila Real Portugal
| | - Carmen R. Tubio
- BCMaterials, Basque Center for Materials, Applications and Nanostructures Leioa Spain
| | - Senentxu Lanceros‐Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures Leioa Spain
- IKERBASQUE Basque Foundation for Science Bilbao Spain
| | - Clarisse Ribeiro
- Center of Physics University of Minho Braga Portugal
- CEB ‐ Centre of Biological Engineering University of Minho Braga Portugal
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7
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Electro‐conductive nanofibrous structure based on
PGS
/
PCL
coated with
PPy
by in situ chemical polymerization applicable as cardiac patch: Fabrication and optimization. J Appl Polym Sci 2022. [DOI: 10.1002/app.52136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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8
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Hu X, Xu Y, Xu Y, Li Y, Guo J. Nanotechnology and Nanomaterials in Peripheral Nerve Repair and Reconstruction. Nanomedicine (Lond) 2022. [DOI: 10.1007/978-981-13-9374-7_30-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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9
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Wang C, Xu Y, Xia J, Zhou Z, Fang Y, Zhang L, Sun W. Multi-scale hierarchical scaffolds with aligned micro-fibers for promoting cell alignment. Biomed Mater 2021; 16. [PMID: 34116518 DOI: 10.1088/1748-605x/ac0a90] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 06/11/2021] [Indexed: 01/29/2023]
Abstract
Cell alignment plays an essential role in cytoskeleton reorganization, extracellular matrix remodeling, and biomechanical properties regulation of tissues such as vascular tissues, cardiac muscles, and tendons. Based on the natural-oriented features of cells in native tissues, various biomimetic scaffolds have been reported with the introduction of well-arranged ultrafine fibers to induce cell alignment. However, it is still a challenge to fabricate scaffolds with suitable mechanical properties, biomimetic microenvironment, and ability to promote cell alignment. In this paper, we propose an integrated 3D printing system to fabricate multi-scale hierarchical scaffolds combined with meso-, micro-, and nano-fibrous filaments, in which the meso-, micro-, and nano-fibers fabricated via fused deposition modeling, melt electrospining writing, and solution electrospining can provide structural support, promote cell alignment, and create a biomimetic microenvironment to facilitate cell function, respectively. The plasma surface modification was performed improve the surface wettability of the scaffolds by measuring the contact angle. The obtainedin vitrobiological results validate the ability of multi-scale hierarchical scaffolds to enhance cell adhesion and proliferation, and promote cell alignment with the guidance of the aligned microfibers produced via melt electrospining writing in hierarchical scaffolds.
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Affiliation(s)
- Chengjin Wang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China
| | - Yuanyuan Xu
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China
| | - Jingjing Xia
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China
| | - Zhenzhen Zhou
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China
| | - Yongcong Fang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China
| | - Lei Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China
| | - Wei Sun
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.,Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, People's Republic of China.,'Biomanufacturing and Engineering Living Systems' Innovation International Talents Base (111 Base), Beijing 100084, People's Republic of China.,Department of Mechanical Engineering, Drexel University, Philadelphia, PA 19104, United States of America
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10
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Kong X, He Y, Zhou H, Gao P, Xu L, Han Z, Yang L, Wang M. Chondroitin Sulfate/Polycaprolactone/Gelatin Electrospun Nanofibers with Antithrombogenicity and Enhanced Endothelial Cell Affinity as a Potential Scaffold for Blood Vessel Tissue Engineering. NANOSCALE RESEARCH LETTERS 2021; 16:62. [PMID: 33864528 PMCID: PMC8053139 DOI: 10.1186/s11671-021-03518-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 03/30/2021] [Indexed: 05/24/2023]
Abstract
Electrospun polymer nanofibers have gained much attention in blood vessel tissue engineering. However, conventional nanofiber materials with the deficiencies of slow endothelialization and thrombosis are not effective in promoting blood vessel tissue repair and regeneration. Herein, biomimetic gelatin (Gt)/polycaprolactone (PCL) composite nanofibers incorporating a different amount of chondroitin sulfate (CS) were developed via electrospinning technology to investigate their effects on antithrombogenicity and endothelial cell affinity. Varying CS concentrations in PG nanofibers affects fiber morphology and diameter. The CS/Gt/PCL nanofibers have suitable porosity (~ 80%) and PBS solution absorption (up to 650%). The introduction of CS in Gt/PCL nanofibers greatly enhances their anticoagulant properties, prolongs their coagulation time, and facilitates cell responses. Particularly, 10%CS/Gt/PCL nanofibers display favorable cell attachment, elongation, and proliferation. Thus, the Gt/PCL nanofibers containing a certain amount of CS could be excellent candidates as a promising tissue-engineering scaffold in blood vessel repair and regeneration.
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Affiliation(s)
- Xiangqian Kong
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Yuxiang He
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Hua Zhou
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Peixian Gao
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Lei Xu
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Zonglin Han
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Le Yang
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Mo Wang
- Vascular Surgury, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China.
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11
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Xuan H, Li B, Xiong F, Wu S, Zhang Z, Yang Y, Yuan H. Tailoring Nano-Porous Surface of Aligned Electrospun Poly (L-Lactic Acid) Fibers for Nerve Tissue Engineering. Int J Mol Sci 2021; 22:ijms22073536. [PMID: 33805568 PMCID: PMC8036984 DOI: 10.3390/ijms22073536] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/21/2021] [Accepted: 03/27/2021] [Indexed: 12/17/2022] Open
Abstract
Despite the existence of many attempts at nerve tissue engineering, there is no ideal strategy to date for effectively treating defective peripheral nerve tissue. In the present study, well-aligned poly (L-lactic acid) (PLLA) nanofibers with varied nano-porous surface structures were designed within different ambient humidity levels using the stable jet electrospinning (SJES) technique. Nanofibers have the capacity to inhibit bacterial adhesion, especially with respect to Staphylococcus aureus (S. aureus). It was noteworthy to find that the large nano-porous fibers were less detrimentally affected by S. aureus than smaller fibers. Large nano-pores furthermore proved more conducive to the proliferation and differentiation of neural stem cells (NSCs), while small nano-pores were more beneficial to NSC migration. Thus, this study concluded that well-aligned fibers with varied nano-porous surface structures could reduce bacterial colonization and enhance cellular responses, which could be used as promising material in tissue engineering, especially for neuro-regeneration.
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Affiliation(s)
- Hongyun Xuan
- School of Life Sciences, Nantong University, Nantong 226019, China; (H.X.); (B.L.); (F.X.); (S.W.); (Z.Z.)
| | - Biyun Li
- School of Life Sciences, Nantong University, Nantong 226019, China; (H.X.); (B.L.); (F.X.); (S.W.); (Z.Z.)
| | - Feng Xiong
- School of Life Sciences, Nantong University, Nantong 226019, China; (H.X.); (B.L.); (F.X.); (S.W.); (Z.Z.)
| | - Shuyuan Wu
- School of Life Sciences, Nantong University, Nantong 226019, China; (H.X.); (B.L.); (F.X.); (S.W.); (Z.Z.)
| | - Zhuojun Zhang
- School of Life Sciences, Nantong University, Nantong 226019, China; (H.X.); (B.L.); (F.X.); (S.W.); (Z.Z.)
| | - Yumin Yang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
- Correspondence: (Y.Y.); (H.Y.)
| | - Huihua Yuan
- School of Life Sciences, Nantong University, Nantong 226019, China; (H.X.); (B.L.); (F.X.); (S.W.); (Z.Z.)
- Correspondence: (Y.Y.); (H.Y.)
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12
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Moharrami Kasmaie F, Zamani F, Sayad-Fathi S, Zaminy A. Promotion of nerve regeneration by biodegradable nanofibrous scaffold following sciatic nerve transection in rats. Prog Biomater 2021; 10:53-64. [PMID: 33683651 DOI: 10.1007/s40204-021-00151-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 02/26/2021] [Indexed: 10/22/2022] Open
Abstract
Peripheral nerve injuries (PNIs) are one of the common causes of morbidity and disability worldwide. Autograft is considered the gold standard treatment for PNIs. However, due to the complications associated with autografts, other sources are considered as alternatives. Recently, electrospun nanofibrous scaffolds have received wide attention in the field of tissue engineering. Exogenous tubular constructs with uniaxially aligned topographical cues to enhance the axonal re-growth are needed to bridge large nerve gaps between proximal and distal ends. Although several studies have used PLGA/PCL, but few studies have been conducted on developing a two-layer scaffold with aligned fibers properly orientated along the axis direction of the sciatic nerve to meet the physical properties required for suturing, transplantation, and nerve regeneration. In this study, we sought to design and develop PLGA-PCL-aligned nanofibers. Following the conventional examinations, we implanted the scaffolds into 7-mm sciatic nerve gaps in a rat model of nerve injury. Our in vivo evaluations did not show any adverse effects, and after eight weeks, an acceptable improvement was noted in the electrophysiological, functional, and histological analyses. Thus, it can be concluded that nanofiber scaffolds can be used as a reliable approach for repairing PNIs. However, further research is warranted.
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Affiliation(s)
| | | | - Sara Sayad-Fathi
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Arash Zaminy
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran.
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13
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Garrudo FFF, Mikael PE, Xia K, Silva JC, Ouyang Y, Chapman CA, Hoffman PR, Yu Y, Han X, Rodrigues CAV, Cabral JMS, Morgado J, Ferreira FC, Linhardt RJ. The effect of electrospun scaffolds on the glycosaminoglycan profile of differentiating neural stem cells. Biochimie 2021; 182:61-72. [PMID: 33422570 PMCID: PMC7902476 DOI: 10.1016/j.biochi.2021.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/03/2021] [Accepted: 01/03/2021] [Indexed: 12/20/2022]
Abstract
The use of electrospun scaffolds for neural tissue engineering applications allows a closer mimicry of the native tissue extracellular matrix (ECM), important for the transplantation of cells in vivo. Moreover, the role of the electrospun fiber mat topography on neural stem cell (NSC) differentiation remains to be completely understood. In this work REN-VM cells (NSC model) were differentiated on polycaprolactone (PCL) nanofibers, obtained by wet/wet electrospinning, and on flat glass lamellas. The obtained differentiation profile of NSCs was evaluated using immunofluorescence and qPCR analysis. Glycosaminoglycan (GAG) analysis was successfully emplyed to evaluate changes in the GAG profile of differentiating cells through the use of the highly sensitive liquid chromatography-tandem mass/mass spectrometry (LC-MS/MS) method. Our results show that both culture platforms allow the differentiation of REN-VM cells into neural cells (neurons and astrocytes) similarly. Moreover, LC-MS/MS analysis shows changes in the production of GAGs present both in cell cultures and conditioned media samples. In the media, hyaluronic acid (HA) was detected and correlated with cellular activity and the production of a more plastic extracellular matrix. The cell samples evidence changes in chondroitin sulfate (CS4S, CS6S, CS4S6S) and heparan sulfate (HS6S, HS0S), similar to those previously described in vivo studies and possibly associated with the creation of complex structures, such as perineural networks. The GAG profile of differentiating REN-VM cells on electrospun scaffolds was analyzed for the first time. Our results highlight the advantage of using platforms obtain more reliable and robust neural tissue-engineered transplants.
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Affiliation(s)
- Fábio F F Garrudo
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA; Department of Bioengineering and iBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal; Department of Bioengineering and Instituto de Telecomunicações, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Paiyz E Mikael
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - Ke Xia
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - João C Silva
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA; Department of Bioengineering and iBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - Yilan Ouyang
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - Caitlyn A Chapman
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - Pauline R Hoffman
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - Yanlei Yu
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - Xiaurui Han
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA
| | - Carlos A V Rodrigues
- Department of Bioengineering and iBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - Joaquim M S Cabral
- Department of Bioengineering and iBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - Jorge Morgado
- Department of Bioengineering and Instituto de Telecomunicações, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Frederico C Ferreira
- Department of Bioengineering and iBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - Robert J Linhardt
- Center for Biotechnology & Interdisciplinary Studies, Department of Chemistry & Chemical Biology, Rensselaer Polytechnic Institute, Biotechnology Center 4005, Troy, NY, 12180, USA.
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14
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Ferraris S, Spriano S, Scalia AC, Cochis A, Rimondini L, Cruz-Maya I, Guarino V, Varesano A, Vineis C. Topographical and Biomechanical Guidance of Electrospun Fibers for Biomedical Applications. Polymers (Basel) 2020; 12:E2896. [PMID: 33287236 PMCID: PMC7761715 DOI: 10.3390/polym12122896] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 02/07/2023] Open
Abstract
Electrospinning is gaining increasing interest in the biomedical field as an eco-friendly and economic technique for production of random and oriented polymeric fibers. The aim of this review was to give an overview of electrospinning potentialities in the production of fibers for biomedical applications with a focus on the possibility to combine biomechanical and topographical stimuli. In fact, selection of the polymer and the eventual surface modification of the fibers allow selection of the proper chemical/biological signal to be administered to the cells. Moreover, a proper design of fiber orientation, dimension, and topography can give the opportunity to drive cell growth also from a spatial standpoint. At this purpose, the review contains a first introduction on potentialities of electrospinning for the obtainment of random and oriented fibers both with synthetic and natural polymers. The biological phenomena which can be guided and promoted by fibers composition and topography are in depth investigated and discussed in the second section of the paper. Finally, the recent strategies developed in the scientific community for the realization of electrospun fibers and for their surface modification for biomedical application are presented and discussed in the last section.
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Affiliation(s)
- Sara Ferraris
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy;
| | - Silvia Spriano
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy;
| | - Alessandro Calogero Scalia
- Department of Health Sciences, Center for Translational Research on Autoimmune and Allergic Diseases–CAAD, Università del Piemonte Orientale UPO, 28100 Novara, Italy; (A.C.S.); (A.C.); (L.R.)
| | - Andrea Cochis
- Department of Health Sciences, Center for Translational Research on Autoimmune and Allergic Diseases–CAAD, Università del Piemonte Orientale UPO, 28100 Novara, Italy; (A.C.S.); (A.C.); (L.R.)
| | - Lia Rimondini
- Department of Health Sciences, Center for Translational Research on Autoimmune and Allergic Diseases–CAAD, Università del Piemonte Orientale UPO, 28100 Novara, Italy; (A.C.S.); (A.C.); (L.R.)
| | - Iriczalli Cruz-Maya
- Institute for Polymers, Composites and Biomaterials (IPCB), National Research Council of Italy, Mostra d’Oltremare, Pad. 20, V. le J.F. Kennedy 54, 80125 Napoli, Italy; (I.C.-M.); (V.G.)
| | - Vincenzo Guarino
- Institute for Polymers, Composites and Biomaterials (IPCB), National Research Council of Italy, Mostra d’Oltremare, Pad. 20, V. le J.F. Kennedy 54, 80125 Napoli, Italy; (I.C.-M.); (V.G.)
| | - Alessio Varesano
- Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing (STIIMA), National Research Council of Italy (CNR), Corso Giuseppe Pella 16, 13900 Biella, Italy; (A.V.); (C.V.)
| | - Claudia Vineis
- Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing (STIIMA), National Research Council of Italy (CNR), Corso Giuseppe Pella 16, 13900 Biella, Italy; (A.V.); (C.V.)
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Varshosaz J, Choopannejad Z, Minaiyan M, Kharazi AZ. Rapid hemostasis by nanofibers of polyhydroxyethyl methacrylate/polyglycerol sebacic acid: An in vitro
/
in vivo study. J Appl Polym Sci 2020. [DOI: 10.1002/app.49785] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Jaleh Varshosaz
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences Isfahan University of Medical Sciences Isfahan Iran
| | - Zahra Choopannejad
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences Isfahan University of Medical Sciences Isfahan Iran
| | - Mohsen Minaiyan
- Department of Pharmacology, School of Pharmacy and Pharmaceutical Sciences Isfahan University of Medical Sciences Isfahan Iran
| | - Anousheh Zargar Kharazi
- Department of Biomaterials, Tissue Engineering and Nanotechnology School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences Isfahan Iran
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16
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Li Y, Huang Z, Pu X, Chen X, Yin G, Wang Y, Miao D, Fan J, Mu J. Polydopamine/carboxylic graphene oxide-composited polypyrrole films for promoting adhesion and alignment of Schwann cells. Colloids Surf B Biointerfaces 2020; 191:110972. [DOI: 10.1016/j.colsurfb.2020.110972] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 03/01/2020] [Accepted: 03/11/2020] [Indexed: 12/20/2022]
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17
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Pu X, Zhou X, Huang Z, Yin G, Chen X. Fabrication of extracellular matrix-coated conductive polypyrrole-poly(l-lactide) fiber-films and their synergistic effect with (nerve growth factor)/(epidermal growth factor) on neurites growth. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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18
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Preparation of carboxylic graphene oxide‐composited polypyrrole conduits and their effect on sciatic nerve repair under electrical stimulation. J Biomed Mater Res A 2019; 107:2784-2795. [DOI: 10.1002/jbm.a.36781] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 08/02/2019] [Accepted: 08/07/2019] [Indexed: 12/11/2022]
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19
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Jenkins TL, Little D. Synthetic scaffolds for musculoskeletal tissue engineering: cellular responses to fiber parameters. NPJ Regen Med 2019; 4:15. [PMID: 31263573 PMCID: PMC6597555 DOI: 10.1038/s41536-019-0076-5] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Accepted: 05/14/2019] [Indexed: 12/14/2022] Open
Abstract
Tissue engineering often uses synthetic scaffolds to direct cell responses during engineered tissue development. Since cells reside within specific niches of the extracellular matrix, it is important to understand how the matrix guides cell response and then incorporate this knowledge into scaffold design. The goal of this review is to review elements of cell-matrix interactions that are critical to informing and evaluating cellular response on synthetic scaffolds. Therefore, this review examines fibrous proteins of the extracellular matrix and their effects on cell behavior, followed by a discussion of the cellular responses elicited by fiber diameter, alignment, and scaffold porosity of two dimensional (2D) and three dimensional (3D) synthetic scaffolds. Variations in fiber diameter, alignment, and scaffold porosity guide stem cells toward different lineages. Cells generally exhibit rounded morphology on nanofibers, randomly oriented fibers, and low-porosity scaffolds. Conversely, cells exhibit elongated, spindle-shaped morphology on microfibers, aligned fibers, and high-porosity scaffolds. Cells migrate with higher velocities on nanofibers, aligned fibers, and high-porosity scaffolds but migrate greater distances on microfibers, aligned fibers, and highly porous scaffolds. Incorporating relevant biomimetic factors into synthetic scaffolds destined for specific tissue application could take advantage of and further enhance these responses.
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Affiliation(s)
- Thomas Lee Jenkins
- Department of Biomedical Engineering, Purdue University, West Lafayette, IN 47907 USA
| | - Dianne Little
- Department of Biomedical Engineering, Purdue University, West Lafayette, IN 47907 USA
- Department of Basic Medical Sciences, Purdue University, West Lafayette, IN 47907 USA
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20
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Wang J, Li X, Zou Y, Sheng Y. Mueller matrix imaging of electrospun ultrafine fibers for morphology detection. APPLIED OPTICS 2019; 58:3481-3489. [PMID: 31044845 DOI: 10.1364/ao.58.003481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 03/30/2019] [Indexed: 06/09/2023]
Abstract
In the fields of tissue engineering, drug delivery, and filtering material, electrospun ultrafine fibers with micropores have important applications. A scanning electron microscope (SEM) is typically used to observe the microstructure of ultrafine fibers, but SEM has disadvantages, such as small field of vision, high cost, and ionization damage. Given this, 16 (4×4) full transmission Mueller matrices of electrospun fibers with three different morphologies, i.e., smooth surface, microporous, and beaded microspheres, were obtained. We find that the Mueller matrix element M44 is most sensitive to the micropores on fibers. In the M44 transformed image proposed in this paper, the different morphologies and contours of fibers can be clearly shown, providing a low-cost method for mass, nondestructive, and rapid morphology detection of fibers.
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21
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Li Q, Li C, Wang F, Hu S, Wang L. [Structural control and characterization of hierarchically structured fibrous scaffolds]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2019; 33:479-485. [PMID: 30983199 PMCID: PMC8337179 DOI: 10.7507/1002-1892.201808128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 02/25/2019] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To prepare hierarchically structured fibrous scaffolds with different morphologies, and to explore the additional dimensionality for tuning the physicochemical properties of the scaffolds and the effect of their hemocompatibility and cytocompatibility. METHODS Electrospinning poly (e-caprolactone) (PCL)/polyvinylpyrrolidone (PVP) bicomponent fibers (PCL∶PVP mass ratios were 8∶2 and 5∶5 respectively), and the surface porous fibrous scaffolds were prepared by extracting PVP components. The scaffolds were labeled PCL-P8 and PCL-P5 respectively according to the mass ratio of polymer. In addition, shish-kebab (SK) structured scaffolds with different kebab sizes were created by solution incubation method, which use electrospun PCL fibers as shish while PCL chains in solution crystallizes on the fiber surface. The PCL fibrous scaffolds with smooth surface was established as control group. The hierarchically structured fibrous scaffolds were characterized by field emission scanning electron microspore, water contact angle tests, and differential scanning calorimeter (DSC) experiments. The venous blood of New Zealand white rabbits was taken and hemolysis and coagulation tests were used to characterize the blood compatibility of the scaffolds. The proliferation of the pig iliac artery endothelial cell (PIEC) on the scaffolds was detected by cell counting kit 8 (CCK-8) method, and the biocompatibility of the scaffolds was evaluated. RESULTS Field emission scanning electron microscopy showed that porous morphology appeared on the surface of PCL/PVP bicomponent fibers after extracting PVP. In addition, SK structure with periodic arrangement was successfully prepared by solution induction, and the longer the crystallization time, the larger the lamellar size and periodic distance. The contact angle and DSC measurements showed that when compared with smooth PCL fiber scaffolds, the crystallinity of PCL surface porous fibrous scaffolds and PCL-SK fibrous scaffolds increased, while the hydrophobicity of PCL-SK fibrous scaffolds increased, but the hydrophobicity of PCL porous scaffolds did not change significantly. The hemolysis test showed that the hemolysis rate of PCL surface porous fibrous scaffolds and PCL-SK fibrous scaffolds was higher than that of PCL fibrous scaffolds. According to American Society of Materials and Tests (ASTM) F756-08 standard, all scaffolds were non-hemolytic materials and were suitable for blood contact materials. Coagulation test showed that the coagulation index of PCL surface porous fibrous scaffolds and PCL-SK fibrous scaffolds was higher than that of PCL fibrous scaffolds at 5 and 10 minutes of culture. CCK-8 assay showed that both hierarchically structured fibrous scaffolds were more conducive to PIEC proliferation than PCL fibrous scaffold. CONCLUSION Based on electrospinning technology, solution-induced and blend phase separation methods can be used to construct multi-scale fiber scaffolds with different morphologies, which can not only regulate the surface physicochemical properties of the scaffolds, but also have good blood compatibility and biocompatibility. The hierarchically structured fibrous scaffolds have high application potential in the field of tissue engineering.
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Affiliation(s)
- Qiwei Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, Textile College of Donghua University, Shanghai, 201620, P.R.China
| | - Chaojing Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, Textile College of Donghua University, Shanghai, 201620, P.R.China
| | - Fujun Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, Textile College of Donghua University, Shanghai, 201620,
| | - Sihan Hu
- Key Laboratory of Textile Science & Technology, Ministry of Education, Textile College of Donghua University, Shanghai, 201620, P.R.China
| | - Lu Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, Textile College of Donghua University, Shanghai, 201620, P.R.China
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22
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Xu Y, Huang Z, Pu X, Yin G, Zhang J. Fabrication of Chitosan/Polypyrrole‐coated poly(L‐lactic acid)/Polycaprolactone aligned fibre films for enhancement of neural cell compatibility and neurite growth. Cell Prolif 2019; 52:e12588. [PMID: 30972893 PMCID: PMC6536449 DOI: 10.1111/cpr.12588] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/01/2018] [Accepted: 08/20/2018] [Indexed: 12/31/2022] Open
Abstract
Objective Methods Results Conclusions
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Affiliation(s)
- Yaxuan Xu
- College of Materials Science and Engineering Sichuan University Chengdu China
| | - Zhongbing Huang
- College of Materials Science and Engineering Sichuan University Chengdu China
| | - Ximing Pu
- College of Materials Science and Engineering Sichuan University Chengdu China
| | - Guangfu Yin
- College of Materials Science and Engineering Sichuan University Chengdu China
| | - Jiankai Zhang
- College of Materials Science and Engineering Sichuan University Chengdu China
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23
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Shang L, Huang Z, Pu X, Yin G, Chen X. Preparation of Graphene Oxide-Doped Polypyrrole Composite Films with Stable Conductivity and Their Effect on the Elongation and Alignment of Neurite. ACS Biomater Sci Eng 2019; 5:1268-1278. [DOI: 10.1021/acsbiomaterials.8b01326] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Lei Shang
- College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Zhongbing Huang
- College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Ximing Pu
- College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Guangfu Yin
- College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Xianchun Chen
- College of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
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24
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Sornkamnerd S, Okajima MK, Matsumura K, Kaneko T. Micropatterned Cell Orientation of Cyanobacterial Liquid-Crystalline Hydrogels. ACS APPLIED MATERIALS & INTERFACES 2018; 10:44834-44843. [PMID: 30480994 DOI: 10.1021/acsami.8b15825] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Control of cell extension direction is crucial for the regeneration of tissues, which are generally composed of oriented molecules. The scaffolds of highly oriented liquid crystalline polymer chains were fabricated by casting cyanobacterial mega-saccharides, sacran, on parallel-aligned micrometer bars of polystyrene (PS). Polarized microscopy revealed that the orientation was in transverse direction to the longitudinal axes of the PS bars. Swelling behavior of the micropatterned hydrogels was dependent on the distance between the PS bars. The mechanical properties of these scaffolds were dependent on the structural orientation; additionally, the Young's moduli in the transverse direction were higher than those in the parallel direction to the major axes of the PS bars. Further, fibroblast L929 cells were cultivated on the oriented scaffolds to be aligned along the orientation axis. L929 cells cultured on these scaffolds exhibited uniaxial elongation.
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Affiliation(s)
- Saranyoo Sornkamnerd
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
- Department of Materials Science and Engineering, School of Molecular Science and Engineering , Vidyasirimedhi Institute of Science and Technology, (VISTEC) , Payupnai , Wang Chan 21210 , Thailand
| | - Maiko K Okajima
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
| | - Kazuaki Matsumura
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
| | - Tatsuo Kaneko
- Energy and Environment Area, Graduate School of Advanced Science and Technology , Japan Advanced Institute of Science and Technology (JAIST) , 1-1 Asahidai , Nomi , Ishikawa 923-1292 , Japan
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25
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Sornkamnerd S, Okajima MK, Matsumura K, Kaneko T. Surface-Selective Control of Cell Orientation on Cyanobacterial Liquid Crystalline Gels. ACS OMEGA 2018; 3:6554-6559. [PMID: 30023952 PMCID: PMC6045405 DOI: 10.1021/acsomega.7b02027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 02/27/2018] [Indexed: 05/21/2023]
Abstract
Liquid crystalline hydrogels (LCGs) with layer structures and oriented pores were created using sacran which is a cyanobacterial heteropolysaccharide possessing functional sulfate, carboxylate, and amide groups in common with glycosaminoglycan. The LCG biocompatibility with L929 mouse fibroblasts was confirmed under the appropriate conditions. Enhanced growth and proliferation of L929 cells without exhibiting any toxicity were confirmed. The water contact angle and protein adsorption ability on the LCG were well-controlled by the cross-linking degree. Additionally, fibroblasts were finely oriented on the LCG side face where layer edges made a striped morphology on its surface, whereas the flat top faces of the LCG did not induce any specific cell orientation.
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Affiliation(s)
- Saranyoo Sornkamnerd
- Graduate School
of Advanced Science
and Technology, Japan Advanced Institute
of Science and Technology (JAIST), 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Maiko K. Okajima
- Graduate School
of Advanced Science
and Technology, Japan Advanced Institute
of Science and Technology (JAIST), 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Kazuaki Matsumura
- Graduate School
of Advanced Science
and Technology, Japan Advanced Institute
of Science and Technology (JAIST), 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Tatsuo Kaneko
- E-mail: . Phone: +81-761-51-1631. Fax: +81-761-51-1635 (T.K.)
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26
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Johnson CD, D'Amato AR, Puhl DL, Wich DM, Vesperman A, Gilbert RJ. Electrospun fiber surface nanotopography influences astrocyte-mediated neurite outgrowth. ACTA ACUST UNITED AC 2018; 13:054101. [PMID: 29762127 DOI: 10.1088/1748-605x/aac4de] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Aligned, electrospun fiber scaffolds provide topographical guidance for regenerating neurons and glia after central nervous system injury. To date, no study has explored how fiber surface nanotopography affects astrocyte response to fibrous scaffolds. Astrocytes play important roles in the glial scar, the blood brain barrier, and in maintaining homeostasis in the central nervous system. In this study, electrospun poly L-lactic acid fibers were engineered with smooth, pitted, or divoted surface nanotopography. Cortical or spinal cord primary rat astrocytes were cultured on the surfaces for either 1 or 3 d to examine the astrocyte response over time. The results showed that cortical astrocytes were significantly shorter and broader on the pitted and divoted fibers compared to those on smooth fibers. However, spinal cord astrocyte morphology was not significantly altered by the surface features. These findings indicate that astrocytes from unique anatomical locations respond differently to the presence of nanotopography. Western blot results show that the differences in morphology were not associated with significant changes in glial fibrillary acidicprotein (GFAP) or vinculin in either astrocyte population, suggesting that surface pits and divots do not induce a reactive phenotype in either cortical or spinal cord astrocytes. Finally, astrocytes were co-cultured with dorsal root ganglia to determine how the surfaces affected astrocyte-mediated neurite outgrowth. Astrocytes cultured on the fibers for shorter periods of time (1 d) generally supported longer neurite outgrowth. Pitted and divoted fibers restricted spinal cord astrocyte-mediated neurite outgrowth, while smooth fibers increased 3 d spinal cord astrocyte-mediated neurite outgrowth. In total, fiber surface nanotopography can influence astrocyte elongation and influence the capability of astrocytes to direct neurites. Therefore, fiber surface characteristics should be carefully controlled to optimize astrocyte-mediated axonal regeneration.
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Affiliation(s)
- Christopher D Johnson
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, 12180-3590, United States of America. Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, 12180-3590, United States of America
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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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Enhancement of neurite adhesion, alignment and elongation on conductive polypyrrole-poly(lactide acid) fibers with cell-derived extracellular matrix. Colloids Surf B Biointerfaces 2016; 149:217-225. [PMID: 27768911 DOI: 10.1016/j.colsurfb.2016.10.014] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 10/07/2016] [Accepted: 10/08/2016] [Indexed: 01/11/2023]
Abstract
Extracellular matrix (ECM) can promote peripheral nerve repair. In this study, a conductive fiber-film (CFF) with core-sheath structure and conductivity of ∼10Scm-1 was prepared by electrospinning of aligned poly(l-lactide acid) (PLLA) fibers and electrochemical deposition of polypyrole (PPy) nanoparticles. Then the multiple components of ECM, including laminin, fibronectin and collagen, were coated on the surface of CFF by culturing and lysing L929 cells to fabricate the bioactive scaffold of ECM-linked CFF (ECM-CFF). The electrical stimulation (ES) of 100mV/cm for 14days and 2h per day did not significantly decrease the conductivity of ECM-CFF. The results of PC12 cells test indicated that, cells adhesion rate, neurite-bearing cell rate and neurite alignment rate on ECM-CFF were ∼95%, ∼77%, ∼70%, respectively, significantly larger than the corresponding values on bare CFF (17%, 29% and 14%, respectively). The neurites length on ECM-CFF (∼79mm) was also larger than that on bare CFF (∼25mm). ES of 100mV/cm onto PC12 cells through ECM-CFF could significantly promote neurite extension in first 3days of the neurite growth. These results indicated that, the combination of ECM-CFF with ES could improve the nerve regeneration by encouraging neural-cell adhesion, neurite growth and extension.
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29
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Altuntas S, Buyukserin F, Haider A, Altinok B, Biyikli N, Aslim B. Protein-releasing conductive anodized alumina membranes for nerve-interface materials. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:590-598. [DOI: 10.1016/j.msec.2016.05.084] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 04/20/2016] [Accepted: 05/18/2016] [Indexed: 12/26/2022]
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30
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Zhou JF, Wang YG, Cheng L, Wu Z, Sun XD, Peng J. Preparation of polypyrrole-embedded electrospun poly(lactic acid) nanofibrous scaffolds for nerve tissue engineering. Neural Regen Res 2016; 11:1644-1652. [PMID: 27904497 PMCID: PMC5116845 DOI: 10.4103/1673-5374.193245] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2016] [Indexed: 12/17/2022] Open
Abstract
Polypyrrole (PPy) is a biocompatible polymer with good conductivity. Studies combining PPy with electrospinning have been reported; however, the associated decrease in PPy conductivity has not yet been resolved. We embedded PPy into poly(lactic acid) (PLA) nanofibers via electrospinning and fabricated a PLA/PPy nanofibrous scaffold containing 15% PPy with sustained conductivity and aligned topography. There was good biocompatibility between the scaffold and human umbilical cord mesenchymal stem cells as well as Schwann cells. Additionally, the direction of cell elongation on the scaffold was parallel to the direction of fibers. Our findings suggest that the aligned PLA/PPy nanofibrous scaffold is a promising biomaterial for peripheral nerve regeneration.
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Affiliation(s)
- Jun-feng Zhou
- Key Laboratory of Advanced Materials of Ministry of Education of China, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Yi-guo Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Liang Cheng
- Key Laboratory of Advanced Materials of Ministry of Education of China, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Zhao Wu
- Key Laboratory of Advanced Materials of Ministry of Education of China, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Xiao-dan Sun
- Key Laboratory of Advanced Materials of Ministry of Education of China, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Jiang Peng
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China
- The Neural Regeneration Co-innovation Center of Jiangsu Province, Nantong, Jiangsu Province, China
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Tian L, Prabhakaran MP, Hu J, Chen M, Besenbacher F, Ramakrishna S. Synergistic effect of topography, surface chemistry and conductivity of the electrospun nanofibrous scaffold on cellular response of PC12 cells. Colloids Surf B Biointerfaces 2016; 145:420-429. [DOI: 10.1016/j.colsurfb.2016.05.032] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 04/15/2016] [Accepted: 05/11/2016] [Indexed: 01/02/2023]
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