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Qiao S, Peijie T, Nan J. Crosslinking strategies of decellularized extracellular matrix in tissue regeneration. J Biomed Mater Res A 2024; 112:640-671. [PMID: 37990863 DOI: 10.1002/jbm.a.37650] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/23/2023]
Abstract
By removing the immunogenic cellular components through various decellularization methods, decellularized extracellular matrix (dECM) is considered a promising material in the field of tissue engineering and regenerative medicine with highly preserved physicochemical properties and superior biocompatibility. However, decellularization treatment can lead to some loss of structural integrity, mechanical strength, degradation stability, and biological performance of dECM biomaterials. Therefore, physical and chemical crosslinking methods are preferred to restore or even improve the biomechanical properties, stability, and bioactivity, and to achieve a delicate balance between degradation of the implanted biomaterial and regeneration of the host tissue. This review provides an overview of dECM biomaterials, and describes and compares the mechanisms and characteristics of commonly used crosslinking methods for dECM, with a focus on the potential applications of versatile dECM-based biomaterials derived from skin, cardiac tissues (pericardium, heart valves, myocardial tissue), blood vessels, liver, and kidney, modified with different chemical crosslinking reagents, in tissue and organ regeneration.
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Affiliation(s)
- Su Qiao
- State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Tan Peijie
- State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Jiang Nan
- State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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2
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Villalobos-Sánchez E, García-Ruiz D, Camacho-Villegas TA, Canales-Aguirre AA, Gutiérrez-Ortega A, Muñoz-Medina JE, Elizondo-Quiroga DE. In Vitro Antiviral Activity of Nordihydroguaiaretic Acid against SARS-CoV-2. Viruses 2023; 15:v15051155. [PMID: 37243241 DOI: 10.3390/v15051155] [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: 04/15/2023] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
The coronavirus infectious disease 2019 (COVID-19) is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has been spreading rapidly worldwide, creating a pandemic. This article describes the evaluation of the antiviral activity of nordihydroguaiaretic acid (NDGA), a molecule found in Creosote bush (Larrea tridentata) leaves, against SARS-CoV-2 in vitro. A 35 µM concentration of NDGA was not toxic to Vero cells and exhibited a remarkable inhibitory effect on the SARS-CoV-2 cytopathic effect, viral plaque formation, RNA replication, and expression of the SARS-CoV-2 spike glycoprotein. The 50% effective concentration for NDGA was as low as 16.97 µM. Our results show that NDGA could be a promising therapeutic candidate against SARS-CoV-2.
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Affiliation(s)
- Erendira Villalobos-Sánchez
- Medical and Pharmaceutical Biotechnology Unit, Center of Research and Assistance in Technology and Design of the State of Jalisco, Guadalajara 44270, Mexico
| | - Daniel García-Ruiz
- Medical and Pharmaceutical Biotechnology Unit, Center of Research and Assistance in Technology and Design of the State of Jalisco, Guadalajara 44270, Mexico
| | - Tanya A Camacho-Villegas
- CONACYT, Medical and Pharmaceutical Biotechnology Unit, Center of Research and Assistance in Technology and Design of the State of Jalisco, Guadalajara 44270, Mexico
| | - Alejandro A Canales-Aguirre
- Medical and Pharmaceutical Biotechnology Unit, Center of Research and Assistance in Technology and Design of the State of Jalisco, Guadalajara 44270, Mexico
| | - Abel Gutiérrez-Ortega
- Medical and Pharmaceutical Biotechnology Unit, Center of Research and Assistance in Technology and Design of the State of Jalisco, Guadalajara 44270, Mexico
| | - José E Muñoz-Medina
- Coordinación de Calidad de Insumos y Laboratorios Especializados, Instituto Mexicano del Seguros Social, México City 27170, Mexico
| | - Darwin E Elizondo-Quiroga
- Medical and Pharmaceutical Biotechnology Unit, Center of Research and Assistance in Technology and Design of the State of Jalisco, Guadalajara 44270, Mexico
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3
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Parinandi NL, Liaugminas A, Oliver PJ, Varadharaj S, Yenigalla A, Elliott AC, Arutla S, Campbell SJ, Kotha SR, Sherwani SI, Kutala VK, McDaniel JC, Maddipati KR, Kuppusamy P, Hund TJ. Classic Phytochemical Antioxidant and Lipoxygenase Inhibitor, Nordihydroguaiaretic Acid, Activates Phospholipase D through Oxidant Signaling and Tyrosine Phosphorylation Leading to Cytotoxicity in Lung Vascular Endothelial Cells. Cell Biochem Biophys 2023:10.1007/s12013-023-01128-1. [PMID: 36820994 DOI: 10.1007/s12013-023-01128-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2023] [Indexed: 02/24/2023]
Abstract
Nordihydroguaiaretic acid (NDGA), a dicatechol and phytochemical polyphenolic antioxidant and an established inhibitor of human arachidonic acid (AA) 5-lipoxygenase (LOX) and 15-LOX, is widely used to ascertain the role of LOXs in vascular endothelial cell (EC) function. As the modulatory effect of NDGA on phospholipase D (PLD), an important lipid signaling enzyme in ECs, thus far has not been reported, here we have investigated the modulation of PLD activity and its regulation by NDGA in the bovine pulmonary artery ECs (BPAECs). NDGA induced the activation of PLD (phosphatidic acid formation) in cells in a dose- and time-dependent fashion that was significantly attenuated by iron chelator and antioxidants. NDGA induced the formation of reactive oxygen species (ROS) in cells in a dose- and time-dependent manner as evidenced from fluorescence microscopy and fluorimetry of ROS and electron paramagnetic resonance spectroscopy of oxygen radicals. Also, NDGA caused a dose-dependent loss of intracellular glutathione (GSH) in BPAECs. Protein tyrosine kinase (PTyK)-specific inhibitors significantly attenuated NDGA-induced PLD activation in BPAECs. NDGA also induced a dose- and time-dependent phosphorylation of tyrosine in proteins in cells. NDGA caused in situ translocation and relocalization of both PLD1 and PLD2 isoforms, in a time-dependent fashion. Cyclooxygenase (COX) inhibitors were ineffective in attenuating NDGA-induced PLD activation in BPAECs, thus ruling out the activation of COXs by NDGA. NDGA inhibited the AA-LOX activity and leukotriene C4 (LTC4) formation in cells. On the other hand, the 5-LOX-specific inhibitors, 5, 8, 11, 14-eicosatetraynoic acid and kaempferol, were ineffective in activating PLD in BPAECs. Antioxidants and PTyK-specific inhibitors effectively attenuated NDGA cytotoxicity in BPAECs. The PLD-specific inhibitor, 5-fluoro-2-indolyl deschlorohalopemide (FIPI), significantly attenuated and protected against the NDGA-induced PLD activation and cytotoxicity in BPAECs. For the first time, these results demonstrated that NDGA, the classic phytochemical polyphenolic antioxidant and LOX inhibitor, activated PLD causing cytotoxicity in ECs through upstream oxidant signaling and protein tyrosine phosphorylation.
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Affiliation(s)
- Narasimham L Parinandi
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA.
| | - Alex Liaugminas
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Patrick J Oliver
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Saradhadevi Varadharaj
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Anita Yenigalla
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Austin C Elliott
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Sukruthi Arutla
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Steven J Campbell
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Sainath R Kotha
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Shariq I Sherwani
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Vijay K Kutala
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Jodi C McDaniel
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Krishna Rao Maddipati
- Department of Pathology and Lipidomics Core Facility, Wayne State University, Detroit, MI, 48202, USA
| | - Periannan Kuppusamy
- Department of Medicine, Geisel School of Medicine, Dartmouth College, Lebanon, NH, 03756, USA
| | - Thomas J Hund
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
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Sehgal V, Ruangsawasdi N, Kiattavorncharoen S, Bencharit S, Thanasrisuebwong P. Occlusive and Proliferative Properties of Different Collagen Membranes-An In Vitro Study. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1657. [PMID: 36837285 PMCID: PMC9964610 DOI: 10.3390/ma16041657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/03/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Different collagen barrier membranes come in various sources and crosslinking that may affect barrier function and tissue integration. This study investigated barrier function and tissue integration of the three different collagen membranes (Jason®: porcine pericardium, GENOSS: bovine tendon, and BioMend® Extend: cross-linked bovine tendon) with human gingival fibroblasts. The barrier function and tissue integration properties were determined under confocal microscopy. Morphological characteristics were observed using scanning electron microscopy. Our results showed that all collagen membranes allowed a small number of cells to migrate, and the difference in barrier function ability was not significant. The cross-linked characteristics did not improve barrier ability. The native collagen membrane surfaces allowed evenly scattered proliferation of HGF, while the cross-linked collagen membrane induced patchy proliferation. Statistically significant differences in cell proliferation were found between Jason and BioMend Extend membranes (p = 0.04). Scanning electron microscope showed a compact membrane surface at the top, while the bottom surfaces displayed interwoven collagen fibers, which were denser in the crosslinked collagen membranes. Within the limitations of this study, collagen membranes of different origins and physical properties can adequately prevent the invasion of unwanted cells. Native collagen membranes may provide a better surface for gingival cell attachment and proliferation.
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Affiliation(s)
- Vishal Sehgal
- Master of Science Program in Implant Dentistry, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand
| | - Nisarat Ruangsawasdi
- Department of Pharmacology, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand
| | - Sirichai Kiattavorncharoen
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand
| | - Sompop Bencharit
- Office of Oral Health Innovation, Department of Oral Rehabilitation, The James B. Edwards College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
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Jayachandran B, Parvin TN, Alam MM, Chanda K, MM B. Insights on Chemical Crosslinking Strategies for Proteins. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238124. [PMID: 36500216 PMCID: PMC9738610 DOI: 10.3390/molecules27238124] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/23/2022]
Abstract
Crosslinking of proteins has gained immense significance in the fabrication of biomaterials for various health care applications. Various novel chemical-based strategies are being continuously developed for intra-/inter-molecular crosslinking of proteins to create a network/matrix with desired mechanical/functional properties without imparting toxicity to the host system. Many materials that are used in biomedical and food packaging industries are prepared by chemical means of crosslinking the proteins, besides the physical or enzymatic means of crosslinking. Such chemical methods utilize the chemical compounds or crosslinkers available from natural sources or synthetically generated with the ability to form covalent/non-covalent bonds with proteins. Such linkages are possible with chemicals like carbodiimides/epoxides, while photo-induced novel chemical crosslinkers are also available. In this review, we have discussed different protein crosslinking strategies under chemical methods, along with the corresponding crosslinking reactions/conditions, material properties and significant applications.
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Affiliation(s)
- Brindha Jayachandran
- Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology, Chennai Campus, Vandalur-Kelambakkam Road, Chennai 600127, India
| | - Thansila N Parvin
- Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology, Chennai Campus, Vandalur-Kelambakkam Road, Chennai 600127, India
| | - M Mujahid Alam
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Kaushik Chanda
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India
- Correspondence: (K.C.); (B.M.)
| | - Balamurali MM
- Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology, Chennai Campus, Vandalur-Kelambakkam Road, Chennai 600127, India
- Correspondence: (K.C.); (B.M.)
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Filová E, Staňková L, Eckhardt A, Svobodová J, Musílková J, Pala J, Hadraba D, Brynda E, Koňařík M, Pirk J, Bačáková L. Modification of human pericardium by chemical crosslinking. Physiol Res 2020; 69:49-59. [PMID: 31852209 DOI: 10.33549/physiolres.934335] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Autologous and allogenic human pericardia used as biomaterials for cardiovascular surgery are traditionally crosslinked with glutaraldehyde. In this work, we have evaluated the resistivity to collagenase digestion and the cytotoxicity of human pericardium crosslinked with various concentrations of glutaraldehyde in comparison with pericardium crosslinked by genipin, nordihydroguaiaretic acid, tannic acid, and in comparison with unmodified pericardium. Crosslinking retained the wavy-like morphology of native pericardium visualized by second harmonic generation microscopy. The collagenase digestion products were analyzed using SDS-PAGE, capillary electrophoresis, and a hydroxyproline assay. Glutaraldehyde and genipin crosslinking protected the native pericardium efficiently against digestion with collagenase III. Only low protection was provided by the other crosslinking agents. The cytotoxicity of crosslinked pericardium was evaluated using xCELLigence by monitoring the viability of porcine valve interstitial cells cultured in eluates from crosslinked pericardium. The highest cell index, reflecting both the number and the shape of the monitored cells was observed in eluates from genipin. Crosslinking pericardium grafts with genipin therefore seems to be a promising alternative procedure to the traditional crosslinking with glutaraldehyde, because it provides similarly high protection against degradation with collagenase, without cytotoxic effects.
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Affiliation(s)
- E Filová
- Laboratory of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic.
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Torzilli PA, Azimulla A. Ultraviolet light (365 nm) transmission properties of articular cartilage as a function of depth, extracellular matrix, and swelling. J Biomed Mater Res A 2019; 108:327-339. [PMID: 31622534 DOI: 10.1002/jbm.a.36819] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/22/2019] [Accepted: 09/10/2019] [Indexed: 11/06/2022]
Abstract
Current tissue engineering approaches for treatment of injured or diseased articular cartilage use ultraviolet light (UV) for in situ photopolymerization of biomaterials to fill chondral and osteochondral defects as well as resurfacing, stiffening and bonding the extracellular matrix and tissue interfaces. The most commonly used UV light wavelength is UVA 365 nm, the least cytotoxic and deepest penetrating. However, little information is available on the transmission of UVA 365 nm light through the cartilage matrix. In the present study, 365 nm UV light transmission was measured as a function of depth through 100 μm thick slices of healthy articular cartilage removed from mature bovine knees. Transmission properties were measured in normal (Native) cartilage and after swelling equilibration in phosphate-buffered saline (Swollen). Single-factor and multiple linear regression analyses were performed to determine depth-dependencies between the effective attenuation coefficients and proteoglycan, collagen and water contents. For both cartilages, a significant depth-dependency was found for the effective attenuation coefficients, being highest at the articular surface (superficial zone) and decreasing with depth. The effective attenuation coefficients for full-thickness cartilages were approximately a third lower than the total attenuation coefficients calculated from the individual slices. Analysis of absorption and scattering effects due to the ECM and chondrocytes found that UV light scatter coefficients were ∼10 times greater than absorption coefficients. The greater transmittance of UV light through the thicker cartilage was attributed to the collagen within the ECM causing significant backscatter forward reflectance.
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Affiliation(s)
- Peter A Torzilli
- Orthopaedic Soft Tissue Research Program, Hospital for Special Surgery, New York, New York.,Physiology, Biophysics and System Biology Program,Weill Medical College of Cornell University, New York, New York.,Department of Biomedical Engineering, City College of New York, New York, New York
| | - Abidally Azimulla
- Department of Biomedical Engineering, City College of New York, New York, New York
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Talebi Ardakani MR, Hajizadeh F, Yadegari Z. Comparison of Attachment and Proliferation of Human Gingival Fibroblasts on Different Collagen Membranes. Ann Maxillofac Surg 2018; 8:218-223. [PMID: 30693235 PMCID: PMC6327806 DOI: 10.4103/ams.ams_150_17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Background and Aim Human gingival fibroblasts cultured on collagen membrane as an alternative treatment method used in tissue regeneration can lead to improved results in root coverage. The aim of this study was to evaluate the human gingival fibroblast proliferation and adhesion cultured on three types of collagen membranes. Materials and Methods In this in vitro study, first-line human gingival fibroblast cells (HGF1-RT1) prepared and cultured on three membranes, including porcine pericardium (PP) (Jason, Botiss dental), human pericardium (HP) (Regen, Faravardeh Baft Iranian), and glutaraldehyde cross-linked (GC) (BioMend Extend, Zimmer Dental). Cell survival was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) after 24, 48, and 72 h and 7 days. Furthermore, morphology and adhesion of cells on the membrane were evaluated after 1 and 7 days by electron microscopy (scanning electron microscopy [SEM]). Statistical analysis was performed using two-way ANOVA with a significance level of 0.05. Results Based on the results of MTT, cell survival on HP and PP membranes after 7 days significantly increased (P < 0.001), but for the GC membrane, it was reduced after 7 days (P = 0.031). Cell survival on HP and PP membranes did not differ (P = 1) and was more than GC (P < 0.001). SEM images showed that the adhesion of cells was better on HP and PP membranes than GC. Conclusion The results of this study showed that natural collagen membranes (HP and PP) similarly support proliferation and adhesion of gingival fibroblasts. Survival and adhesion of gingival fibroblasts on cross-linked collagen membrane was less than two other membranes.
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Affiliation(s)
| | - Farhad Hajizadeh
- Department of Periodontology, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Yadegari
- Department of Dental Biomaterials, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Suchý T, Šupová M, Klapková E, Horný L, Rýglová Š, Žaloudková M, Braun M, Sucharda Z, Ballay R, Veselý J, Chlup H, Denk F. The Sustainable Release of Vancomycin and Its Degradation Products From Nanostructured Collagen/Hydroxyapatite Composite Layers. J Pharm Sci 2016; 105:1288-94. [PMID: 26886321 DOI: 10.1016/s0022-3549(15)00175-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 10/26/2015] [Accepted: 11/23/2015] [Indexed: 01/24/2023]
Abstract
Infections of the musculoskeletal system present a serious problem with regard to the field of orthopedic and trauma medicine. The aim of the experiment described in this study was to develop a resorbable nanostructured composite layer with the controlled elution of antibiotics. The layer is composed of collagen, hydroxyapatite nanoparticles, and vancomycin hydrochloride (10 wt%). The stability of the collagen was enhanced by means of cross-linking. Four cross-linking agents were studied, namely an ethanol solution, a phosphate buffer solution of N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride/N-hydroxysuccinimide, genipin, and nordihydroguaiaretic acid. High performance liquid chromatography was used so as to characterize the in vitro release rates of the vancomycin and its crystalline degradation antibiotically inactive products over a 21-day period. The maximum concentration of the released active form of vancomycin (approximately 265 mg/L) exceeded the minimum inhibitory concentration up to an order of 17 times without triggering the burst releasing effect. At the end of the experiment, the minimum inhibitory concentration was exceeded by up to 6 times (approximately 100 mg/L). It was determined that the modification of collagen with hydroxyapatite nanoparticles does not negatively influence the sustainable release of vancomycin. The balance of vancomycin and its degradation products was observed after 14 days of incubation.
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Affiliation(s)
- Tomáš Suchý
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic; Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague 6, Czech Republic.
| | - Monika Šupová
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic
| | - Eva Klapková
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, 2nd Medical School and University Hospital Motol, Prague 5, Czech Republic
| | - Lukáš Horný
- Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague 6, Czech Republic
| | - Šárka Rýglová
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic
| | - Margit Žaloudková
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic
| | - Martin Braun
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic
| | - Zbyněk Sucharda
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic
| | - Rastislav Ballay
- 1st Department of Orthopaedics, 1st Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague 5, Czech Republic
| | - Jan Veselý
- Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague 6, Czech Republic
| | - Hynek Chlup
- Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague 6, Czech Republic
| | - František Denk
- Department of Composites and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague 8, Czech Republic
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10
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Martinez Rodriguez NR, Das S, Kaufman Y, Wei W, Israelachvili JN, Waite JH. Mussel adhesive protein provides cohesive matrix for collagen type-1α. Biomaterials 2015; 51:51-57. [PMID: 25770997 DOI: 10.1016/j.biomaterials.2015.01.033] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 12/18/2014] [Accepted: 01/20/2015] [Indexed: 10/24/2022]
Abstract
Understanding the interactions between collagen and adhesive mussel foot proteins (mfps) can lead to improved medical and dental adhesives, particularly for collagen-rich tissues. Here we investigated interactions between collagen type-1, the most abundant load-bearing animal protein, and mussel foot protein-3 (mfp-3) using a quartz crystal microbalance and surface forces apparatus (SFA). Both hydrophilic and hydrophobic variants of mfp-3 were exploited to probe the nature of the interaction between the protein and collagen. Our chief findings are: 1) mfp-3 is an effective chaperone for tropocollagen adsorption to TiO2 and mica surfaces; 2) at pH 3, collagen addition between two mfp-3 films (Wc = 5.4 ± 0.2 mJ/m(2)) increased their cohesion by nearly 35%; 3) oxidation of Dopa in mfp-3 by periodate did not abolish the adhesion between collagen and mfp-3 films, and 4) collagen bridging between both hydrophilic and hydrophobic mfp-3 variant films is equally robust, suggesting that hydrophobic interactions play a minor role. Extensive H-bonding, π-cation and electrostatic interactions are more plausible to explain the reversible bridging of mfp-3 films by collagen.
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Affiliation(s)
- Nadine R Martinez Rodriguez
- Department of Molecular, Cell & Developmental Biology, University of California, Santa Barbara, CA 93106, USA
| | - Saurabh Das
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA
| | - Yair Kaufman
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA
| | - Wei Wei
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA
| | - Jacob N Israelachvili
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA; Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA.
| | - J Herbert Waite
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA; Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA; Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA.
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Ma B, Wang X, Wu C, Chang J. Crosslinking strategies for preparation of extracellular matrix-derived cardiovascular scaffolds. Regen Biomater 2014; 1:81-9. [PMID: 26816627 PMCID: PMC4669006 DOI: 10.1093/rb/rbu009] [Citation(s) in RCA: 114] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 08/22/2014] [Indexed: 12/19/2022] Open
Abstract
Heart valve and blood vessel replacement using artificial prostheses is an effective strategy for the treatment of cardiovascular disease at terminal stage. Natural extracellular matrix (ECM)-derived materials (decellularized allogeneic or xenogenic tissues) have received extensive attention as the cardiovascular scaffold. However, the bioprosthetic grafts usually far less durable and undergo calcification and progressive structural deterioration. Glutaraldehyde (GA) is a commonly used crosslinking agent for improving biocompatibility and durability of the natural scaffold materials. However, the nature ECM and GA-crosslinked materials may result in calcification and eventually lead to the transplant failure. Therefore, studies have been conducted to explore new crosslinking agents. In this review, we mainly focused on research progress of ECM-derived cardiovascular scaffolds and their crosslinking strategies.
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Affiliation(s)
- Bing Ma
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People's Republic of China
| | - Xiaoya Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People's Republic of China
| | - Chengtie Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People's Republic of China
| | - Jiang Chang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People's Republic of China
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12
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Qiu Y, Lei J, Koob TJ, Temenoff JS. Cyclic tension promotes fibroblastic differentiation of human MSCs cultured on collagen-fibre scaffolds. J Tissue Eng Regen Med 2014; 10:989-999. [DOI: 10.1002/term.1880] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yongzhi Qiu
- W. H. Coulter Department of Biomedical Engineering; Georgia Institute of Technology and Emory University; Atlanta GA USA
| | - Jennifer Lei
- George W. Woodruff School of Mechanical Engineering; Georgia Institute of Technology; Atlanta GA USA
| | | | - Johnna S. Temenoff
- W. H. Coulter Department of Biomedical Engineering; Georgia Institute of Technology and Emory University; Atlanta GA USA
- Petit Institute for Bioengineering and Bioscience; Georgia Institute of Technology; Atlanta GA USA
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13
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Abou Neel EA, Bozec L, Knowles JC, Syed O, Mudera V, Day R, Hyun JK. Collagen--emerging collagen based therapies hit the patient. Adv Drug Deliv Rev 2013; 65:429-56. [PMID: 22960357 DOI: 10.1016/j.addr.2012.08.010] [Citation(s) in RCA: 190] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2012] [Revised: 08/10/2012] [Accepted: 08/28/2012] [Indexed: 12/11/2022]
Abstract
The choice of biomaterials available for regenerative medicine continues to grow rapidly, with new materials often claiming advantages over the short-comings of those already in existence. Going back to nature, collagen is one of the most abundant proteins in mammals and its role is essential to our way of life. It can therefore be obtained from many sources including porcine, bovine, equine or human and offer a great promise as a biomimetic scaffold for regenerative medicine. Using naturally derived collagen, extracellular matrices (ECMs), as surgical materials have become established practice for a number of years. For clinical use the goal has been to preserve as much of the composition and structure of the ECM as possible without adverse effects to the recipient. This review will therefore cover in-depth both naturally and synthetically produced collagen matrices. Furthermore the production of more sophisticated three dimensional collagen scaffolds that provide cues at nano-, micro- and meso-scale for molecules, cells, proteins and bulk fluids by inducing fibrils alignments, embossing and layered configuration through the application of plastic compression technology will be discussed in details. This review will also shed light on both naturally and synthetically derived collagen products that have been available in the market for several purposes including neural repair, as cosmetic for the treatment of dermatologic defects, haemostatic agents, mucosal wound dressing and guided bone regeneration membrane. There are other several potential applications of collagen still under investigations and they are also covered in this review.
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Satyam A, Subramanian GS, Raghunath M, Pandit A, Zeugolis DI. In vitroevaluation of Ficoll-enriched and genipin-stabilised collagen scaffolds. J Tissue Eng Regen Med 2012; 8:233-41. [DOI: 10.1002/term.1522] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Revised: 02/14/2012] [Accepted: 03/08/2012] [Indexed: 01/08/2023]
Affiliation(s)
- A. Satyam
- Network of Excellence for Functional Biomaterials; National University of Ireland Galway; Galway Ireland
- Department of Mechanical & Biomedical Engineering; National University of Ireland Galway; Galway Ireland
| | - G. S. Subramanian
- Tissue Modulation Laboratory; National University of Singapore; Singapore
- Division of Bioengineering, Faculty of Engineering; National University of Singapore; Singapore
| | - M. Raghunath
- Tissue Modulation Laboratory; National University of Singapore; Singapore
- Division of Bioengineering, Faculty of Engineering; National University of Singapore; Singapore
| | - A. Pandit
- Network of Excellence for Functional Biomaterials; National University of Ireland Galway; Galway Ireland
| | - D. I. Zeugolis
- Network of Excellence for Functional Biomaterials; National University of Ireland Galway; Galway Ireland
- Department of Mechanical & Biomedical Engineering; National University of Ireland Galway; Galway Ireland
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15
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Kishore V, Uquillas JA, Dubikovsky A, Alshehabat MA, Snyder PW, Breur GJ, Akkus O. In vivo response to electrochemically aligned collagen bioscaffolds. J Biomed Mater Res B Appl Biomater 2011; 100:400-8. [DOI: 10.1002/jbm.b.31962] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Revised: 07/18/2011] [Accepted: 09/05/2011] [Indexed: 01/10/2023]
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16
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Kishore V, Bullock W, Sun X, Van Dyke WS, Akkus O. Tenogenic differentiation of human MSCs induced by the topography of electrochemically aligned collagen threads. Biomaterials 2011; 33:2137-44. [PMID: 22177622 DOI: 10.1016/j.biomaterials.2011.11.066] [Citation(s) in RCA: 140] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Accepted: 11/24/2011] [Indexed: 12/19/2022]
Abstract
Topographical cues from the extracellular microenvironment can influence cellular activity including proliferation and differentiation. Information on the effects of material topography on tenogenic differentiation of human mesenchymal stem cells (human MSCs) is limited. A methodology using the principles of isoelectric focusing has previously been developed in our laboratory to synthesize electrochemically aligned collagen (ELAC) threads that mimics the packing density, alignment and strength of collagen dense connective tissues. In the current study, human MSCs were cultured on ELAC and randomly oriented collagen threads and the effect of collagen orientation on cell morphology, proliferation and tenogenic differentiation was investigated. The results indicate that higher rates of proliferation were observed on randomly oriented collagen threads compared to ELAC threads. On the other hand, tendon specific markers such as scleraxis and tenomodulin, were significantly increased on ELAC threads compared to randomly oriented collagen threads. Additionally, osteocalcin, a specific marker of bone differentiation was suppressed on ELAC threads. Previous studies have reported that BMP-12 is a key growth factor to induce tenogenic differentiation of MSCs. To evaluate the synergistic effect of BMP-12 and collagen orientation, human MSCs were cultured on ELAC threads in culture medium supplemented with and without BMP-12. The results revealed that BMP-12 did not have an additional effect on the tenogenic differentiation of human MSCs on ELAC threads. Together, these results suggest that ELAC induces tenogenic differentiation of human MSCs by presenting an aligned and dense collagen substrate, akin to the tendon itself. In conclusion, ELAC has a significant potential to be used as a tendon replacement and in the development of an osteotendinous construct towards the regeneration of bone-tendon interfaces.
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Affiliation(s)
- Vipuil Kishore
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
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17
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Gurkan UA, Cheng X, Kishore V, Uquillas JA, Akkus O. Comparison of morphology, orientation, and migration of tendon derived fibroblasts and bone marrow stromal cells on electrochemically aligned collagen constructs. J Biomed Mater Res A 2010; 94:1070-9. [PMID: 20694974 DOI: 10.1002/jbm.a.32783] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
There are approximately 33 million injuries involving musculoskeletal tissues (including tendons and ligaments) every year in the United States. In certain cases the tendons and ligaments are damaged irreversibly and require replacements that possess the natural functional properties of these tissues. As a biomaterial, collagen has been a key ingredient in tissue engineering scaffolds. The application range of collagen in tissue engineering would be greatly broadened if the assembly process could be better controlled to facilitate the synthesis of dense, oriented tissue-like constructs. An electrochemical method has recently been developed in our laboratory to form highly oriented and densely packed collagen bundles with mechanical strength approaching that of tendons. However, there is limited information whether this electrochemically aligned collagen bundle (ELAC) presents advantages over randomly oriented bundles in terms of cell response. Therefore, the current study aimed to assess the biocompatibility of the collagen bundles in vitro, and compare tendon-derived fibroblasts (TDFs) and bone marrow stromal cells (MSCs) in terms of their ability to populate and migrate on the single and braided ELAC bundles. The results indicated that the ELAC was not cytotoxic; both cell types were able to populate and migrate on the ELAC bundles more efficiently than that observed for random collagen bundles. The braided ELAC constructs were efficiently populated by both TDFs and MSCs in vitro. Therefore, both TDFs and MSCs can be used with the ELAC bundles for tissue engineering purposes.
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Affiliation(s)
- Umut Atakan Gurkan
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907-2032, USA
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18
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Ward J, Kelly J, Wang W, Zeugolis DI, Pandit A. Amine functionalization of collagen matrices with multifunctional polyethylene glycol systems. Biomacromolecules 2010; 11:3093-101. [PMID: 20942484 DOI: 10.1021/bm100898p] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A method to functionalize collagen-based biomaterials with free amine groups was established in an attempt to improve their potential for tethering of bioactive molecules. Collagen sponges were incorporated with amine-terminated multifunctional polyethylene glycol (PEG) derivatives after N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide and N-hydroxysuccinimide (EDC/NHS) cross-linking. The extent of the incorporation of different amounts and different numbers of active moieties of amine-terminated PEG systems into the collagen scaffolds was evaluated using ninhydrin assay, Fourier transform infrared spectrophotometry (FTIR), collagenase degradation assay, denaturation temperature measurements, and in vitro cell studies. A 3% 8-arm amine-terminated PEG was found to be the minimum required effective concentration to functionalize EDC/NHS stabilized collagen scaffolds. EDC/NHS stabilized scaffolds treated with 3% 8-arm amine-terminated PEG exhibited significantly improved denaturation temperature and resistance to collagenase degradation over non-cross-linked scaffolds (p < 0.002). Biological evaluation using 3T3 cells demonstrated that the produced scaffolds facilitated maintenance of the cells' morphology, metabolic activity, and ability to proliferate in vitro. Overall, our results indicate that amine-terminated PEG systems can be used as means to enhance the functionality of collagenous structures.
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Affiliation(s)
- John Ward
- Department of Plastic and Reconstructive Surgery, University Hospital of Galway, Galway, Ireland, and Network of Excellence for Functional Biomaterials (NFB), National University of Ireland, Galway (NUI Galway), Galway, Ireland
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19
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Cornwell KG, Pins GD. Enhanced proliferation and migration of fibroblasts on the surface of fibroblast growth factor-2-loaded fibrin microthreads. Tissue Eng Part A 2010; 16:3669-77. [PMID: 20673132 DOI: 10.1089/ten.tea.2009.0600] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Fibrin microthreads are discrete biopolymer fibers, 50-100 μm in diameter, produced from the natural extracellular matrix protein of the provisional matrix that promotes tissue regeneration in the in vivo wound healing environment. The goals of this study were to investigate the feasibility of creating fibrin microthreads containing fibroblast growth factor-2 (FGF-2), and to study the potential of a fibrin matrix to bind signaling proteins known to promote wound healing and regulate cell function in localized cellular microenvironments on scaffold surfaces. FGF-2 was loaded into fibrin microthreads in concentrations ranging from 0 to 200 ng/mL, to investigate the effect of the material on fibroblast attachment, proliferation, cellular outgrowth, and alignment. Although FGF-2-loaded microthreads did not affect fibroblast attachment, they significantly increased cellular outgrowth and proliferation relative to unloaded microthreads. The most pronounced effects were observed at day 7 of cell culture. Further, all of the fibrin microthreads promoted the alignment of fibroblasts and their cytoskeletal components along the long axis of threads, independent of the FGF-2 concentration. Ultimately, we anticipate that these fibrin microthreads will be a promising biopolymer material to promote the regeneration of injured tissues because of their mechanical stability and their matrix signaling capabilities, particularly when loaded with matrix-bound growth factors such as FGF-2.
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Affiliation(s)
- Kevin G Cornwell
- University of Massachusetts Medical School, Worcester, Massachusetts, USA
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20
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Funakoshi T, Spector M. Chondrogenic differentiation and lubricin expression of caprine infraspinatus tendon cells. J Orthop Res 2010; 28:716-25. [PMID: 20058273 DOI: 10.1002/jor.21053] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Reparative strategies for the treatment of injuries to tendons, including those of the rotator cuff of the shoulder, need to address the formation of the cartilage which serves as the attachment apparatus to bone and which forms at regions undergoing compressive loading. Moreover, recent work indicates that cells employed for rotator cuff repair may need to synthesize a lubricating glycoprotein, lubricin, which has recently been found to play a role in tendon tribology. The objective of the present study was to investigate the chondrogenic differentiation and lubricin expression of caprine infraspinatus tendon cells in monolayer and three-dimensional culture, and to compare the behavior with bone marrow-derived mesenchymal stem cells (MSCs). The results demonstrated that while tendon cells in various media, including chondrogenic medium, expressed lubricin, virtually none of the MSCs synthesized this important lubricating molecule. Also of interest was that the cartilage formation capacity of the tendon cells grown in pellet culture in chondrogenic medium was comparable with MSCs. These data inform the use of tendon cells for rotator cuff repair, including for fibrocartilaginous zones.
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Affiliation(s)
- Tadanao Funakoshi
- Tissue Engineering, VA Boston Healthcare System, Boston, Massachusetts 02130, USA
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21
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Lü X, Zhai W, Zhou Y, Zhou Y, Zhang H, Chang J. Crosslinking effect of Nordihydroguaiaretic acid (NDGA) on decellularized heart valve scaffold for tissue engineering. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2010; 21:473-480. [PMID: 19936890 DOI: 10.1007/s10856-009-3924-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2009] [Accepted: 10/26/2009] [Indexed: 05/28/2023]
Abstract
Decellularized heart valve scaffolds possess many desirable properties in valvular tissue engineering. However, their current applications were limited by short durability, easily structural dysfunction and immunological competence. Although crosslinking with chemical reagents, such as glutaraldehyde (GA), will enhance the mechanical properties, the low long-term stability and cytotoxicity of the scaffolds remains potential problem. Nordihydroguaiaretic acid (NDGA) is a bioactive natural product which is able to crosslink collagen and was proven to be effective in preparation of scaffold for tendon tissue engineering. In this paper, NDGA crosslinked decellularized heart valve scaffolds demonstrated higher tensile strength, enzymatic hydrolysis resistance and store stability than the non-crosslinked ones. Its mechanical properties and cytocompability were superior to that of GA-crosslinked heart valve matrix. Below the concentration of 10 microg/ml, NDGA has no visible cytotoxic effect on both endothelial cells (EC) and valvular interstitial cells (VIC) and its cytotoxicity is much less than that of GA. The LC50 (50% lethal concentration) of NDGA on ECs and VICs are 32.6 microg/ml and 47.5 microg/ml, respectively, while those of GA are almost 30 times higher than NDGA (P < 0.05). ECs can attach to and maintain normal morphology on the surface of NDGA-crosslinked valvular scaffolds but not GA-crosslinked ones. This study demonstrated that NDGA-crosslinking of decellularized valvular matrix is a promising approach for preparation of heart valve tissue engineering scaffolds.
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Affiliation(s)
- Xiqin Lü
- School of Life Science, East China Normal University, 3663 Zhongshanbei Road, Shanghai, 200062, People's Republic of China
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22
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Zeugolis DI, Paul GR, Attenburrow G. Cross-linking of extruded collagen fibers-A biomimetic three-dimensional scaffold for tissue engineering applications. J Biomed Mater Res A 2009; 89:895-908. [DOI: 10.1002/jbm.a.32031] [Citation(s) in RCA: 168] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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23
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Ju YM, Yu B, Koob TJ, Moussy Y, Moussy F. A novel porous collagen scaffold around an implantable biosensor for improving biocompatibility. I. In vitro/in vivo stability of the scaffold and in vitro sensitivity of the glucose sensor with scaffold. J Biomed Mater Res A 2008; 87:136-46. [PMID: 18085651 DOI: 10.1002/jbm.a.31756] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A new 3D porous and biostable collagen scaffold has been developed to improve the biocompatibility of implantable glucose sensors by minimizing tissue reactions while stimulating angiogenesis around the sensors. The novel collagen scaffold was crosslinked using nordihydroguaiaretic acid (NDGA) to enhance biostability. NDGA-treated collagen scaffolds were stable without physical deformation in the subcutaneous tissue of rats for 4 weeks. In contrast, glutaraldehyde (GA)-treated collagen scaffolds were extremely damaged following implantation. Both types of scaffolds (NDGA- and GA-crosslinked) were stable in vitro in the presence of collagenase with 70% retention of original weight after 4 weeks of incubation. The response current (i.e. sensitivity) of sensors with porous scaffolds was not significantly changed when compared with control sensors (no scaffold), while the response time (T(95%)) was slightly delayed after a glucose concentration increase from 5 to 15 mM. Above this range, the sensors coated with scaffolds had only a slightly lower sensitivity than the control sensors. These results indicate that we have developed a stable NDGA-crosslinked collagen scaffold for biosensors, and that the scaffold does not impair the function of our sensor. We plan to use this scaffold to enhance the function and lifetime of the implantable biosensors by providing a controlled local environment around the sensors with the help of various drugs and growth factors (dexamethasone, VEGF, PDGF).
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Affiliation(s)
- Young Min Ju
- Biomedical Engineering Program, University of South Florida, 4202 E. Fowler Avenue, ENB 118, Tampa, Florida 33620-5350, USA
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24
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Zeugolis D, Paul R, Attenburrow G. Post-self-assembly experimentation on extruded collagen fibres for tissue engineering applications. Acta Biomater 2008; 4:1646-56. [PMID: 18590987 DOI: 10.1016/j.actbio.2008.05.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2007] [Revised: 05/08/2008] [Accepted: 05/15/2008] [Indexed: 10/22/2022]
Abstract
Extruded collagen fibres have been shown to constitute a biomimetic three-dimensional scaffold with numerous tissue engineering applications. The multi-step fabrication process of this material provides opportunities for further advancements to improve the properties of the final product. Herein we investigated the influence of the post-self-assembly washing baths on the structural, mechanical and thermal properties of these fibres. The surface morphology and the inter-fibre packing were similar for every treatment. The overnight incubation in isopropanol yielded fibres with the highest temperature and energy of denaturation (p<0.013). Typical s- and j-shape stress-strain curves were obtained for all treatments in the dry and wet state respectively. Rehydration of the fibres resulted in increased fibre diameter (p<0.006) and reduced stress (p<0.001), force (p<0.001) and modulus (p<0.002) values for every treatment. In the dry state, the alcohol-treated fibres were characterized by the highest stress (p<0.002) values; whilst in the wet state the Tris-HCl-treated fibres were the weakest (p<0.006). For every treatment, in both dry and wet state, a strong and inverse relationship between the fibre diameter and the stress at break was observed. Overall, the fibres produced were characterized by properties similar to those of native tissues.
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25
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Behring J, Junker R, Walboomers XF, Chessnut B, Jansen JA. Toward guided tissue and bone regeneration: morphology, attachment, proliferation, and migration of cells cultured on collagen barrier membranes. A systematic review. Odontology 2008; 96:1-11. [DOI: 10.1007/s10266-008-0087-y] [Citation(s) in RCA: 153] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2008] [Accepted: 04/23/2008] [Indexed: 11/24/2022]
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26
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Liu H, Ge Z, Wang Y, Toh SL, Sutthikhum V, Goh JCH. Modification of sericin-free silk fibers for ligament tissue engineering application. J Biomed Mater Res B Appl Biomater 2007; 82:129-38. [PMID: 17318818 DOI: 10.1002/jbm.b.30714] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Biomedical application of silk requires the removal of sericin that is the gumming material of native silk fibers. This is because sericin can elicit an adverse immune response after implantation in the human body. However, the removal of sericin causes the silk fiber to fray and weakens its structural property, making it very difficult to knit or braid them into a scaffold for ligament tissue engineering applications. The aim of this study was to replace sericin with gelatin using NDGA as a cross-linking agent to biomimic the natural structure of native silk fibers. The physical properties and biocompatibility of the modified and native silk fibers were compared by in vitro and in vivo models. The mechanical and swelling properties of sericin-free silk fibers were greatly increased after modification with gelatin. Both modified and native silk fibers were shown to be nontoxic by in vitro cytotoxicity tests. The in vivo study demonstrated that the modified silk fibers, after 4 weeks' subcutaneous implantation in rats, caused little or no inflammatory reaction as compared with native silk fibers. The superior mechanical properties and lower inflammatory potential of modified silk fibers make them a promising candidate for ligament tissue engineering applications.
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Affiliation(s)
- Haifeng Liu
- Department of Orthopedic Surgery, National University of Singapore, Singapore
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27
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Cornwell KG, Lei P, Andreadis ST, Pins GD. Crosslinking of discrete self-assembled collagen threads: Effects on mechanical strength and cell-matrix interactions. J Biomed Mater Res A 2007; 80:362-71. [PMID: 17001644 DOI: 10.1002/jbm.a.30893] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Bundles of threads extruded from type I collagen have been researched extensively as scaffolds to promote the repair and regeneration of torn tendons and ligaments. The success of these scaffolds has been limited by insufficient tissue ingrowth from the wound margin, which may be inhibited by the chemical or physical crosslinking treatment used to increase the mechanical properties and decrease the degradation rate of these scaffolds. Recently, self-assembled collagen threads extruded from solutions of type I collagen molecules were shown to possess ultimate tensile strengths and structural properties comparable to native tendon fibers; however the tissue response to these threads has yet to be determined. The goal of this study was to investigate the effects of various crosslinking techniques on the mechanical properties as well as the in vitro rate of new tissue ingrowth on these threads. Our findings indicate that the physical crosslinking techniques, dehydrothermal (DHT) or ultraviolet light (UV), most significantly improve the mechanical strengths of the threads, but most significantly decrease the rate of cell migration. In contrast, carbodiimide (EDC) crosslinking achieved sub-optimal strength generation, but demonstrated improved cell migration rates. Future studies will investigate the design of threads with surface biochemistries that maximize tissue ingrowth while maintaining the mechanical stability of the scaffold.
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Affiliation(s)
- Kevin G Cornwell
- Department of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts 01609, USA
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28
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Guan J, Stankus JJ, Wagner WR. Development of composite porous scaffolds based on collagen and biodegradable poly(ester urethane)urea. Cell Transplant 2006; 15 Suppl 1:S17-27. [PMID: 16826792 PMCID: PMC2857678 DOI: 10.3727/000000006783982412] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Our objective in this work was to develop a flexible, biodegradable scaffold for cell transplantation that would incorporate a synthetic component for strength and flexibility and type I collagen for enzymatic lability and cytocompatibility. A biodegradable poly(ester urethane)urea was synthesized from poly(caprolactone), 1,4-diisocyanatobutane, and putrescine. Using a thermally induced phase separation process, porous scaffolds were created from a mixture containing this polyurethane and 0%, 10%, 20%, or 30% type I collagen. The resulting scaffolds were found to have open, interconnected pores (from 7 to >100 um) and porosities from 58% to 86% depending on the polyurethane/collagen ratio. The scaffolds were also flexible with breaking strains of 82-443% and tensile strengths of 0.97-4.11 MPa depending on preparation conditions. Scaffold degradation was significantly increased when collagenase was introduced into an incubating buffer in a manner that was dependent on the mass fraction of collagen present in the scaffold. Mass losses could be varied from 15% to 59% over 8 weeks. When culturing umbilical artery smooth muscle cells on these scaffolds higher cell numbers were observed over a 4-week culture period in scaffolds containing collagen. In summary, a strong and flexible scaffold system has been developed that can degrade by both hydrolysis and collagenase degradation pathways, as well as support cell growth. This scaffold possesses properties that would make it attractive for future use in soft tissue applications where such mechanical and biological features would be advantageous.
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Affiliation(s)
- Jianjun Guan
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - John J. Stankus
- Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - William R. Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
- Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
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29
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Velema J, Kaplan D. Biopolymer-based biomaterials as scaffolds for tissue engineering. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2006; 102:187-238. [PMID: 17089791 DOI: 10.1007/10_013] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Biopolymers as biomaterials and matrices in tissue engineering offer important options in control of structure, morphology and chemistry as reasonable substitutes or mimics of extracellular matrix systems. These features also provide for control of material functions such as mechanical properties in gel, fiber and porous scaffold formats. The inherent biodegradability of biopolymers is important to help regulate the rate and extent of cell and tissue remodeling in vitro or in vivo. The ability to genetically redesign these polymer systems to bioengineer appropriate features to regulate cell responses and interactions is another important feature that offers both fundamental insight into chemistry-structure-function relationships as well as direct utility as biomaterials. Biopolymer matrices for biomaterials and tissue engineering can directly influence the functional attributes of tissues formed on these materials and suggest they will continue play an increasingly important role in the field.
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Affiliation(s)
- James Velema
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
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Orban JM, Wilson LB, Kofroth JA, El-Kurdi MS, Maul TM, Vorp DA. Crosslinking of collagen gels by transglutaminase. J Biomed Mater Res A 2004; 68:756-62. [PMID: 14986330 DOI: 10.1002/jbm.a.20110] [Citation(s) in RCA: 189] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Collagen is commonly used as a tissue-engineering scaffold, yet its in vivo applications are limited by a deficiency in mechanical strength. The purpose of this work was to explore the utilization of a unique enzymatic crosslinking procedure aimed at improving the mechanical properties of collagen-based scaffold materials. Type I bovine collagen gel was crosslinked by transglutaminase, which selectively mediates the chemical reaction between glutamine and lysine residues on adjacent protein fibers, thus providing covalent amide bonds that serve to reinforce the three-dimensional matrix. The degree of crosslinking was verified by thermal analysis and amine group content. The denaturation temperature of crosslinked collagen reached a maximum of 66 +/- 1 degrees C. The chemical reaction was confirmed to be noncytotoxic with respect to bone marrow stromal cells acquired from New Zealand White rabbits. Tube-shaped cellular constructs fashioned from crosslinked collagen and bone marrow stromal cells were found to have burst pressures significantly higher than their noncrosslinked analogs (71 +/- 4 mmHg vs. 46 +/- 3 mmHg; p < 0.01). Thus, the transglutaminase mediated reaction served to successfully strengthen collagen gels while remaining benign toward cells.
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Affiliation(s)
- Janine M Orban
- Department of Surgery, University of Pittsburgh, Room 236, Cellomics Bldg., McGowan Institute for Regenerative Medicine, 100 Technology Drive, Pittsburgh, Pennsylvania 15219, USA
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Koob TJ, Hernandez DJ. Mechanical and thermal properties of novel polymerized NDGA-gelatin hydrogels. Biomaterials 2003; 24:1285-92. [PMID: 12527270 DOI: 10.1016/s0142-9612(02)00465-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Nordihydroguaiaretic acid (NDGA), an antioxidant with two functional ortho-catechols from the creosote bush, has been shown to increase the mechanical properties of synthetic collagen fibers, producing biologically based, biocompatible fibers with material properties in uniaxial tensile tests to failure that are comparable to those of native tendon (Koob and Hernandez, Biomaterials 23 (2002) 203; Koob et al., J Biomed Mater Res, 56 (2001) 31; 56 (2001) 40). The NDGA polymerization scheme was applied to gelatin hydrogels to determine whether it could provide a viable approach for producing gelatin based biological materials with advantageous mechanical and thermal properties. NDGA treatment eliminated gelatin solubilization from hydrogels in chaotropic agents and increased the thermal stability of gelatin hydrogels from less than 37 degrees C to over 80 degrees C. NDGA caused a dose dependent increase in the compressive stiffness and fracture load of gels ranging in concentration from 2.5% to 40% gelatin in uniaxial, unconfined compression tests to failure. Maximum fracture load averaged 0.5+/-0.1MPa and the compressive modulus averaged 4.4+/-1.4MPa for all gelatin concentrations, however, the concentration of NDGA that produced maximum strength and stiffness varied inversely with gelatin concentration. The compressive strength and stiffness of 5% gelatin hydrogels treated with NDGA were independent of temperature up to 52 degrees C. These results indicate that NDGA polymerization renders gelatin hydrogels thermally and mechanically stable and thereby potentially useful for surgical procedures that would benefit from biocompatible, stable and mechanically competent gelatin-based biomaterials.
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Affiliation(s)
- Thomas J Koob
- Skeletal Biology Section, Center for Research in Skeletal Development and Pediatric Orthopaedics, Shriners Hospital for Children, 12502 North Pine Drive, 33612, Tampa, FL, USA.
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Abstract
The linear organization of collagen fibers in tendons results in optimal stiffness and strength at low strains under tensile load. However, this organization makes repairing ruptured or lacerated tendons extremely difficult. Current suturing techniques to join split ends of tendons, while providing sufficient mechanical strength to prevent gapping, are inadequate to carry normal loads. Immobilization protocols necessary to restore tendon congruity result in scar formation at the repair site and peripheral adhesions that limit excursion. These problems are reviewed to emphasize the need for novel approaches to tendon repair, one of which is the development of biomimetic tendons. The objective of the empirical work described here was to produce biologically-based, biocompatible tendon replacements with appropriate mechanical properties to enable immediate mobilization following surgical repair. Nor-dihydroguaiaretic acid (NDGA), a di-catechol from creosote bush, caused a dose dependent increase in the material properties of reconstituted collagen fibers, achieving a 100-fold increase in strength and stiffness over untreated fibers. The maximum tensile strength of the optimized NDGA treated fibers averaged 90 MPa; the elastic modulus of these fibers averaged 580 MPa. These properties were independent of strain rates ranging from 0.60 to 600 mm/min. Fatigue tests established that neither strength nor stiffness were affected after 80 k cycles at 5% strain. Treated fibers were not cytotoxic to tendon fibroblasts. Fibroblasts attached and proliferated on NDGA treated collagen normally. NDGA-fibers did not elicit a foreign body response nor did they stimulate an immune reaction during six weeks in vivo. The fibers survived 6 weeks with little evidence of fragmentation or degradation. The polymerization scheme described here produces a fiber-reinforced NDGA-polymer with mechanical properties approaching an elastic solid. The strength, stiffness and fatigue properties of the NDGA-treated fibers are comparable to those of tendon. These fibers are biocompatible with tendon fibroblasts and elicit little rejection or antigenic response in vivo. These results indicate that NDGA polymerization may provide a viable approach for producing collagenous materials that can be used to bridge gaps in ruptured or lacerated tendons. The tendon-like properties of the NDGA-fiber would allow early mobilization after surgical repair. We predict that timely loading of parted tendons joined by this novel biomaterial will enhance mechanically driven production of neo-tendon by the colonizing fibroblasts and result in superior repair and rapid return to normal properties.
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Affiliation(s)
- Thomas J Koob
- Skeletal Biology Section, Center for Research in Skeletal Development and Pediatric Orthopaedics, Shriners Hospital for Children, 12502 North Pine Drive, Tampa, FL 33612, USA.
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Koob TJ, Hernandez DJ. Material properties of polymerized NDGA-collagen composite fibers: development of biologically based tendon constructs. Biomaterials 2002; 23:203-12. [PMID: 11762839 DOI: 10.1016/s0142-9612(01)00096-5] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Methods for stabilizing collagen-based materials with catechol containing monomers were developed in order to produce fibers with mechanical properties in tension comparable to those of normal tendon. Fibers produced from pepsin solubilized, bovine tendon type I collagen were polymerized with the di-catechol nordihydroguaiaretic acid (NDGA). Polymerization was based on the chemical oxidation of the constituent o-catechols to reactive o-quinone functionalities. NDGA caused a dose dependent increase in the tensile strength and stiffness of the type I collagen fibers. A second treatment with NDGA improved the tensile properties significantly. Comparison of the effects of NDGA with those of biologically relevant mono-catechols indicated that the bi-catechol functionality of NDGA was responsible for generation of the superior tensile properties. Elimination of unreacted intermediates from the treated fibers with ethanol increased the effectiveness of the cross-linking process while simultaneously sterilizing the material. Catalyzing oxidation by saturating the reaction buffer with oxygen increased the effectiveness of polymerization and the resulting tensile properties of the treated fibers. The ultimate tensile strength of the optimized NDGA-treated fibers averaged 90 MPa; the elastic modulus of these fibers averaged 580 MPa. Both values are comparable to native tendon. The material properties of the NDGA cross-linked fibers exceed the properties of collagen fibers treated with other cross-linking strategies such as glutaraldehyde and carbodiimide. These results indicate that NDGA cross-linking may provide a viable approach to stabilizing collagenous materials for use in repair of ruptured, lacerated or surgically transected tendons, as well as other biomaterial constructs for surgical repair of musculoskeletal injuries and disease.
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Affiliation(s)
- Thomas J Koob
- Skeletal Biology Section, The Center for Research in Skeletal Development and Pediatric Orthopaedics, Shriners Hospital for Children, Tampa, FL 33612, USA.
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