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Cozzani M, Ferrari PF, Damonte G, Pellis A, Monticelli O. On the Development of Polylactic Acid/Polycaprolactone Blended Films with High Retention Capacity. Macromol Biosci 2024:e2400272. [PMID: 39155238 DOI: 10.1002/mabi.202400272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 07/24/2024] [Indexed: 08/20/2024]
Abstract
The retention capacity of polymers is related to the development of systems that combine high surface-to-volume ratio with good handling and specific functionality. Biodegradability and biocompatibility are also key features for extending the field of applications to areas such as biomedicine. With this in mind, the aim of this work is to develop biodegradable, biocompatible, and highly functionalized porous films, that ensure suitable handling and a good surface-to-volume ratio. Polylactic acid (PLA) is applied as a polymer matrix to which a polycaprolactone with a star-shaped architecture (PCL-COOH) to ensure a high concentration of carboxylic end functionalities is added. The porous films are prepared using the phase inversion technique, which, as shown by Scanning Electron Microscopy (SEM) analysis, promotes good dispersion of the PCL-COOH domains. Absorption and release measurements performed with a positively charged model molecule show that the retention capacity and release rate can be tuned by changing the PCL-COOH concentration in the systems. Moreover, the adsorption properties for the formulation with the highest PCL-COOH content are also demonstrated with a real and widely used drug, namely doxorubicin. Finally, the bio- and hemocompatibility of the films, which are enzymatically degradable, are evaluated by using human keratinocytes and red blood cells, respectively.
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Affiliation(s)
- Martina Cozzani
- Dipartimento di Chimica e Chimica Industriale, Università degli studi di Genova, via Dodecaneso 31, Genoa, 16146, Italy
| | - Pier Francesco Ferrari
- Department of Civil, Chemical and Environmental Engineering, University of Genoa, via Opera Pia, 15, Genoa, 16145, Italy
- Research Center for Biologically Inspired Engineering in Vascular Medicine and Longevity, University of Genoa, via Montallegro, 1, Genoa, 16145, Italy
- IRCCS Ospedale Policlinico San Martino, largo Rosanna Benzi, 10, Genoa, 16132, Italy
| | - Giacomo Damonte
- Dipartimento di Chimica e Chimica Industriale, Università degli studi di Genova, via Dodecaneso 31, Genoa, 16146, Italy
| | - Alessandro Pellis
- Dipartimento di Chimica e Chimica Industriale, Università degli studi di Genova, via Dodecaneso 31, Genoa, 16146, Italy
| | - Orietta Monticelli
- Dipartimento di Chimica e Chimica Industriale, Università degli studi di Genova, via Dodecaneso 31, Genoa, 16146, Italy
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2
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Hanuman S, B HK, Pai KSR, Nune M. Surface-Conjugated Galactose on Electrospun Polycaprolactone Nanofibers: An Innovative Scaffold for Uterine Tissue Engineering. ACS OMEGA 2024; 9:34314-34328. [PMID: 39157094 PMCID: PMC11325431 DOI: 10.1021/acsomega.3c10445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 08/20/2024]
Abstract
The uterus, a vital organ in the female reproductive system, nurtures and supports developing embryos until maturity. This study focuses on addressing uterine related problems by creating a nanofibrous scaffold to regenerate uterine myometrial tissue, closely resembling the native extracellular matrix (ECM) for enhanced efficacy. To achieve this, we utilized polycaprolactone (PCL) as a biomaterial and employed an electrospinning technique to generate PCL nanofibers in both random and aligned orientations. Due to the inherent hydrophobic nature of PCL nanofibers, a two-step wet chemistry surface modification technique is used, involving the conjugation of galactose onto them. Galactose, a lectin-binding sugar, was chosen to enhance the scaffold's hydrophilicity, thereby improving cell adhesion and fostering l-selectin-based interactions between the scaffold and uterine cells. These interactions, in turn, activated uterine fibroblasts, leading to ECM remodeling. The optimized electrospinning process successfully generated random and aligned nanofibers. Subsequent surface modification was carried out, and the modified scaffold was subjected to various physicochemical characterization, such as the ninhydrin assay, enzyme-linked lectin assay techniques that revealed successful galactose conjugation, and mechanical characterization to assess any changes in material bulk properties resulting from the modification. The tensile strength of random galactose-modified PCL fibers reached 0.041 ± 0.01 MPa, outperforming random unmodified PCL fibers (0.026 ± 0.01 MPa), aligned unmodified PCL fibers (0.011 ± 0.001 MPa), and aligned modified PCL fibers (0.016 ± 0.002 MPa). Cytocompatibility studies with human uterine fibroblast cells showed enhanced viability and proliferation on the modified scaffolds. Initial pilot studies were attempted in the current study involving subcutaneous implantation in the dorsal area of Wistar rats to assess biocompatibility and tissue response before proceeding to intrauterine implantation indicated that the modification did not induce adverse inflammation in vivo. In conclusion, our study introduces a surface-modified PCL nanofibrous material for myometrial tissue engineering, offering promise in addressing myometrial damage and advancing uterine health and reproductive well-being.
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Affiliation(s)
- Srividya Hanuman
- Manipal
Institute of Regenerative Medicine, Manipal
Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Harish Kumar B
- Department
of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - K. Sreedhara Ranganath Pai
- Department
of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Manasa Nune
- Manipal
Institute of Regenerative Medicine, Manipal
Academy of Higher Education, Manipal, Karnataka 576104, India
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3
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Glahn-Martínez B, Jurado-Sánchez B, Benito-Peña E, Escarpa A, Moreno-Bondi MC. Magnetic Janus micromotors for fluorescence biosensing of tacrolimus in oral fluids. Biosens Bioelectron 2024; 244:115796. [PMID: 37922810 DOI: 10.1016/j.bios.2023.115796] [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: 06/21/2023] [Revised: 10/03/2023] [Accepted: 10/26/2023] [Indexed: 11/07/2023]
Abstract
Tacrolimus (FK506) is a macrolide lactone immunosuppressive drug that is commonly used in transplanted patients to avoid organ rejection. FK506 exhibits high inter- and intra-patient pharmacokinetic variability, making monitoring necessary for organ graft survival. This work describes the development of a novel bioassay for monitoring FK506. The bioassay is based on using polycaprolactone-based (PCL) magnetic Janus micromotors and a recombinant chimera receptor that incorporates the immunophilin tacrolimus binding protein 1A (FKBP1A) tagged with Emerald Green Fluorescent Protein (EmGFP). The approach relies on a fluorescence competitive bioassay between the drug and the micromotors decorated with a carboxylated FK506 toward the specific site of the fluorescent immunophilin. The proposed homogeneous assay could be performed in a single step without washing steps to separate the unbound receptor. The proposed approach fits the therapeutic requirements, showing a limit of detection of 0.8 ng/mL and a wide dynamic range of up to 90 ng/mL. Assay selectivity was evaluated by measuring the competitive inhibition curves with other immunosuppressive drugs usually co-administered with FK506. The magnetic propulsion mechanism allows for efficient operation in raw samples without damaging the biological binding receptor (FKBP1A-EmGFP). The enhanced target recognition and micromixing strategies hold considerable potential for FK506 monitoring in practical clinical use.
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Affiliation(s)
- Bettina Glahn-Martínez
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, 28805, Madrid, Spain; Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense de Madrid, Plaza de las Ciencias, Ciudad Universitaria, 28040, Madrid, Spain
| | - Beatriz Jurado-Sánchez
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, 28805, Madrid, Spain; Chemical Research Institute "Andres M. del Rio", University of Alcala, Alcala de Henares, Madrid, E28805, Spain.
| | - Elena Benito-Peña
- Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense de Madrid, Plaza de las Ciencias, Ciudad Universitaria, 28040, Madrid, Spain.
| | - Alberto Escarpa
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, 28805, Madrid, Spain; Chemical Research Institute "Andres M. del Rio", University of Alcala, Alcala de Henares, Madrid, E28805, Spain.
| | - María C Moreno-Bondi
- Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense de Madrid, Plaza de las Ciencias, Ciudad Universitaria, 28040, Madrid, Spain
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4
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Kong P, Liu X, Li Z, Wang J, Gao R, Feng S, Li H, Zhang F, Feng Z, Huang P, Wang S, Zhuang D, Ouyang W, Wang W, Pan X. Biodegradable Cardiac Occluder with Surface Modification by Gelatin-Peptide Conjugate to Promote Endogenous Tissue Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305967. [PMID: 37984880 PMCID: PMC10787076 DOI: 10.1002/advs.202305967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/20/2023] [Indexed: 11/22/2023]
Abstract
Transcatheter intervention has been the preferred treatment for congenital structural heart diseases by implanting occluders into the heart defect site through minimally invasive access. Biodegradable polymers provide a promising alternative for cardiovascular implants by conferring therapeutic function and eliminating long-term complications, but inducing in situ cardiac tissue regeneration remains a substantial clinical challenge. PGAG (polydioxanone/poly (l-lactic acid)-gelatin-A5G81) occluders are prepared by covalently conjugating biomolecules composed of gelatin and layer adhesive protein-derived peptides (A5G81) to the surface of polydioxanone and poly (l-lactic acid) fibers. The polymer microfiber-biomacromolecule-peptide frame with biophysical and biochemical cues could orchestrate the biomaterial-host cell interactions, by recruiting endogenous endothelial cells, promoting their adhesion and proliferation, and polarizing immune cells into anti-inflammatory phenotypes and augmenting the release of reparative cytokines. In a porcine atrial septal defect (ASD) model, PGAG occluders promote in situ tissue regeneration by accelerating surface endothelialization and regulating immune response, which mitigate inflammation and fibrosis formation, and facilitate the fusion of occluder with surrounding heart tissue. Collectively, this work highlights the modulation of cell-biomaterial interactions for tissue regeneration in cardiac defect models, ensuring endothelialization and extracellular matrix remodeling on polymeric scaffolds. Bioinspired cell-material interface offers a highly efficient and generalized approach for constructing bioactive coatings on medical devices.
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Affiliation(s)
- Pengxu Kong
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
| | - Xiang Liu
- Tianjin Key Laboratory of Biomaterial ResearchInstitute of Biomedical EngineeringChinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin300192China
| | - Zefu Li
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
| | - Jingrong Wang
- Tianjin Key Laboratory of Biomaterial ResearchInstitute of Biomedical EngineeringChinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin300192China
| | - Rui Gao
- Tianjin Key Laboratory of Biomaterial ResearchInstitute of Biomedical EngineeringChinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin300192China
| | - Shuyi Feng
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
| | - Hang Li
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
| | - Fengwen Zhang
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
| | - Zujian Feng
- Tianjin Key Laboratory of Biomaterial ResearchInstitute of Biomedical EngineeringChinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin300192China
| | - Pingsheng Huang
- Tianjin Key Laboratory of Biomaterial ResearchInstitute of Biomedical EngineeringChinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin300192China
| | - Shouzheng Wang
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
- Key Laboratory of Innovative Cardiovascular DevicesChinese Academy of Medical SciencesBeijing100037China
| | - Donglin Zhuang
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
| | - Wenbin Ouyang
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
- Key Laboratory of Innovative Cardiovascular DevicesChinese Academy of Medical SciencesBeijing100037China
| | - Weiwei Wang
- Tianjin Key Laboratory of Biomaterial ResearchInstitute of Biomedical EngineeringChinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin300192China
- Key Laboratory of Innovative Cardiovascular DevicesChinese Academy of Medical SciencesBeijing100037China
| | - Xiangbin Pan
- Department of Structural Heart DiseaseNational Center for Cardiovascular DiseaseChina & State Key Laboratory of Cardiovascular DiseaseFuwai HospitalChinese Academy of Medical Sciences & Peking Union Medical CollegeNational Health Commission Key Laboratory of Cardiovascular Regeneration MedicineNational Clinical Research Center for Cardiovascular DiseasesBeijing100037China
- Key Laboratory of Innovative Cardiovascular DevicesChinese Academy of Medical SciencesBeijing100037China
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5
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Buonocore M, Grimaldi M, Santoro A, Covelli V, Marino C, Napolitano E, Novi S, Tecce MF, Ciaglia E, Montella F, Lopardo V, Perugini V, Santin M, D’Ursi AM. Exploiting the Features of Short Peptides to Recognize Specific Cell Surface Markers. Int J Mol Sci 2023; 24:15610. [PMID: 37958593 PMCID: PMC10650159 DOI: 10.3390/ijms242115610] [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: 09/27/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Antibodies are the macromolecules of choice to ensure specific recognition of biomarkers in biological assays. However, they present a range of shortfalls including a relatively high production cost and limited tissue penetration. Peptides are relatively small molecules able to reproduce sequences of highly specific paratopes and, although they have less biospecificity than antibodies, they offer advantages like ease of synthesis, modifications of their amino acid sequences and tagging with fluorophores and other molecules required for detection. This work presents a strategy to design peptide sequences able to recognize the CD44 hyaluronic acid receptor present in the plasmalemma of a range of cells including human bone marrow stromal mesenchymal cells. The protocol of identification of the optimal amino acid sequence was based on the combination of rational design and in silico methodologies. This protocol led to the identification of two peptide sequences which were synthesized and tested on human bone marrow mesenchymal stromal cells (hBM-MSCs) for their ability to ensure specific binding to the CD44 receptor. Of the two peptides, one binds CD44 with sensitivity and selectivity, thus proving its potential to be used as a suitable alternative to this antibody in conventional immunostaining. In the context of regenerative medicine, the availability of this peptide could be harnessed to functionalize tissue engineering scaffolds to anchor stem cells as well as to be integrated into systems such as cell sorters to efficiently isolate MSCs from biological samples including various cell subpopulations. The data here reported can represent a model for developing peptide sequences able to recognize hBM-MSCs and other types of cells and for their integration in a range of biomedical applications.
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Affiliation(s)
- Michela Buonocore
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
- Department of Chemical Sciences, University of Naples Federico II, 80138 Naples, Italy
| | - Manuela Grimaldi
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
| | - Angelo Santoro
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
- Scuola di Specializzazione in Farmacia Ospedaliera, University of Salerno, 84084 Fisciano, Italy
| | - Verdiana Covelli
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80138 Naples, Italy
| | - Carmen Marino
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
- PhD Program in Drug Discovery and Development, Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy
| | - Enza Napolitano
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
- PhD Program in Drug Discovery and Development, Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy
| | - Sara Novi
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
- PhD Program in Drug Discovery and Development, Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy
| | - Mario Felice Tecce
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
| | - Elena Ciaglia
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (E.C.); (F.M.); (V.L.)
| | - Francesco Montella
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (E.C.); (F.M.); (V.L.)
| | - Valentina Lopardo
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (E.C.); (F.M.); (V.L.)
| | - Valeria Perugini
- Centre for Regenerative Medicine and Devices, School of Applied Sciences, University of Brighton, Brighton BN2 4AT, UK; (V.P.); (M.S.)
| | - Matteo Santin
- Centre for Regenerative Medicine and Devices, School of Applied Sciences, University of Brighton, Brighton BN2 4AT, UK; (V.P.); (M.S.)
| | - Anna Maria D’Ursi
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy or (M.B.); (M.G.); (A.S.); or (V.C.); (C.M.); (E.N.); (S.N.); (M.F.T.)
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6
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Adala I, Ramis J, Ntone Moussinga C, Janowski I, Amer MH, Bennett AJ, Alexander C, Rose FRAJ. Mixed polymer and bioconjugate core/shell electrospun fibres for biphasic protein release. J Mater Chem B 2021; 9:4120-4133. [PMID: 33982048 DOI: 10.1039/d1tb00129a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Effective regenerative medicine requires delivery systems which can release multiple components at appropriate levels and at different phases of tissue growth and repair. However, there are few biomaterials and encapsulation techniques that are fully suitable for the loading and controlled release of multiple proteins. In this study we describe how proteins were physically and chemically loaded into a single coaxial electrospun fibre scaffold to obtain bi-phasic release profiles. Cyto-compatible polymers were used to construct the scaffold, using polyethylene oxide (PEO) for the core and polycaprolactone (PCL) reacted or mixed with (bis-aminopropyl)polyether (Jeffamine ED2003; JFA) for the shell. Horseradish peroxidase (HRP), a model protein, was loaded in the core and functionalised onto the scaffold surface by coupling of protein carboxyl groups to the available polymer amine groups. Fibre morphologies were evaluated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) and functional group content was determined using X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (TOF SIMS). Hydrophobicity profiles of the fibres before and after protein loading were evaluated by water contact angle (WCA) and the mechanical properties of the electrospun scaffolds were determined by performing tensile tests. The electrospun fibre scaffolds generated by reacting PEO/PCL with 1,6-diaminohexane and those from mixing PEO/PCL with JFA were further characterised for protein conjugation and release. Fibres prepared by the mixed PEO/PCL/JFA system were found to be the most appropriate for the simultaneous release of protein from the core and the immobilisation of another protein on the shell of the same scaffold. Moreover, JFA enhanced scaffold properties in terms of porosity and elasticity. Finally, we successfully demonstrated the cytocompatibility and cell response to protein-loaded and -conjugated scaffolds using HepG2 cells. Enhanced cell attachment (2.5 fold) was demonstrated using bovine serum albumin (BSA)-conjugated scaffolds, and increased metabolic activity observed with retinoic acid (RA)-loaded scaffolds (2.7 fold).
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Affiliation(s)
- Inchirah Adala
- School of Pharmacy, University of Nottingham, Nottingham, UK.
| | - Jopeth Ramis
- School of Pharmacy, University of Nottingham, Nottingham, UK.
| | | | | | - Mahetab H Amer
- School of Molecular and Cellular Biology, University of Leeds, Leeds, UK
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Merk M, Chirikian O, Adlhart C. 3D PCL/Gelatin/Genipin Nanofiber Sponge as Scaffold for Regenerative Medicine. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2006. [PMID: 33923751 PMCID: PMC8072632 DOI: 10.3390/ma14082006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/06/2021] [Accepted: 04/13/2021] [Indexed: 01/30/2023]
Abstract
Recent advancements in tissue engineering and material science have radically improved in vitro culturing platforms to more accurately replicate human tissue. However, the transition to clinical relevance has been slow in part due to the lack of biologically compatible/relevant materials. In the present study, we marry the commonly used two-dimensional (2D) technique of electrospinning and a self-assembly process to construct easily reproducible, highly porous, three-dimensional (3D) nanofiber scaffolds for various tissue engineering applications. Specimens from biologically relevant polymers polycaprolactone (PCL) and gelatin were chemically cross-linked using the naturally occurring cross-linker genipin. Potential cytotoxic effects of the scaffolds were analyzed by culturing human dermal fibroblasts (HDF) up to 23 days. The 3D PCL/gelatin/genipin scaffolds produced here resemble the complex nanofibrous architecture found in naturally occurring extracellular matrix (ECM) and exhibit physiologically relevant mechanical properties as well as excellent cell cytocompatibility. Samples cross-linked with 0.5% genipin demonstrated the highest metabolic activity and proliferation rates for HDF. Scanning electron microscopy (SEM) images indicated excellent cell adhesion and the characteristic morphological features of fibroblasts in all tested samples. The three-dimensional (3D) PCL/gelatin/genipin scaffolds produced here show great potential for various 3D tissue-engineering applications such as ex vivo cell culturing platforms, wound healing, or tissue replacement.
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Affiliation(s)
- Markus Merk
- Institute of Chemistry and Biotechnology, Zurich University of Applied Sciences ZHAW, 8820 Wädenswil, Switzerland;
- Biomolecular Science and Engineering, University of California Santa Barbara UCSB, Santa Barbara, CA 93106, USA;
| | - Orlando Chirikian
- Biomolecular Science and Engineering, University of California Santa Barbara UCSB, Santa Barbara, CA 93106, USA;
| | - Christian Adlhart
- Institute of Chemistry and Biotechnology, Zurich University of Applied Sciences ZHAW, 8820 Wädenswil, Switzerland;
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8
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Tang H, Zhu Z, Zheng Z, Wang H, Li C, Wang L, Zhao G, Wang P. A study of hydrophobins-modified menaquinone-7 on osteoblastic cells differentiation. Mol Cell Biochem 2021; 476:1939-1948. [PMID: 33502649 DOI: 10.1007/s11010-021-04062-z] [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: 09/10/2020] [Accepted: 01/11/2021] [Indexed: 10/22/2022]
Abstract
Menaquinone-7 is involved in bone metabolism and can be used to prevent and treat osteoporosis. However, as a fat-soluble vitamin, menaquinone-7 has poor water solubility. As a surfactant, hydrophobins can change the affinity/hydrophobicity of the covered interface. In this study, menaquinone-7 was modified by hydrophobins, and the different addition ratios were explored. Moreover, Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), and water contact angle (WCA) measurements indicated that hydrophobins effectively bind to menaquinone-7 and greatly increase the hydrophilicity of the surface of menaquinone-7. Studies on the metabolism of MC3T3-E1 cells showed that compared with native menaquinone-7, HGFI-modified menaquinone-7 can significantly promote osteoblast differentiation but inhibit osteoclast differentiation. Besides, the Mito-Tracker Green experiments show that HGFI-modified menaquinone-7 can significantly promote the activity of mitochondria in cells. These findings indicate that hydrophobins can be used as an effective biomaterial to modify menaquinone-7, promote the formation of osteoblasts, and better to bone balance.
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Affiliation(s)
- Hengfang Tang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China.,Science Island Branch of Graduate, University of Science and Technology of China, Hefei, 230026, People's Republic of China
| | - Zhu Zhu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China.,Science Island Branch of Graduate, University of Science and Technology of China, Hefei, 230026, People's Republic of China
| | - Zhiming Zheng
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China. .,Hefei Institute of Technology Innovation Engineering, CAS, Hefei, People's Republic of China.
| | - Han Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Chu Li
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Li Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Genhai Zhao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Peng Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China. .,Hefei Institute of Technology Innovation Engineering, CAS, Hefei, People's Republic of China.
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9
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Dewle A, Rakshasmare P, Srivastava A. A Polycaprolactone (PCL)-Supported Electrocompacted Aligned Collagen Type-I Patch for Annulus Fibrosus Repair and Regeneration. ACS APPLIED BIO MATERIALS 2021; 4:1238-1251. [DOI: 10.1021/acsabm.0c01084] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ankush Dewle
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Opp. Airforce
Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Prakash Rakshasmare
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Opp. Airforce
Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Akshay Srivastava
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Opp. Airforce
Station, Palaj, Gandhinagar 382355, Gujarat, India
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10
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Amores de Sousa MC, Rodrigues CAV, Ferreira IAF, Diogo MM, Linhardt RJ, Cabral JMS, Ferreira FC. Functionalization of Electrospun Nanofibers and Fiber Alignment Enhance Neural Stem Cell Proliferation and Neuronal Differentiation. Front Bioeng Biotechnol 2020; 8:580135. [PMID: 33195141 PMCID: PMC7649414 DOI: 10.3389/fbioe.2020.580135] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 09/24/2020] [Indexed: 01/29/2023] Open
Abstract
Neural stem cells (NSCs) have the potential to generate the cells of the nervous system and, when cultured on nanofiber scaffolds, constitute a promising approach for neural tissue engineering. In this work, the impact of combining nanofiber alignment with functionalization of the electrospun poly-ε-caprolactone (PCL) nanofibers with biological adhesion motifs on the culture of an NSC line (CGR8-NS) is evaluated. A five-rank scale for fiber density was introduced, and a 4.5 level, corresponding to 70–80% fiber density, was selected for NSC in vitro culture. Aligned nanofibers directed NSC distribution and, especially in the presence of laminin (PCL-LN) and the RGD-containing peptide GRGDSP (PCL-RGD), promoted higher cell elongation, quantified by the eccentricity and axis ratio. In situ differentiation resulted in relatively higher percentage of cells expressing Tuj1 in PCL-LN, as well as significantly longer neurite development (41.1 ± 1.0 μm) than PCL-RGD (32.0 ± 1.0 μm), pristine PCL (25.1 ± 1.2 μm), or PCL-RGD randomly oriented fibers (26.5 ± 1.4 μm), suggesting that the presence of LN enhances neuronal differentiation. This study demonstrates that aligned nanofibers, functionalized with RGD, perform as well as PCL-LN fibers in terms of cell adhesion and proliferation. The presence of the full LN protein improves neuronal differentiation outcomes, which may be important for the use of this system in tissue engineering applications.
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Affiliation(s)
- Miriam C Amores de Sousa
- Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Carlos A V Rodrigues
- Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Inês A F Ferreira
- Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Maria Margarida Diogo
- Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Robert J Linhardt
- Center for Biotechnology and Interdisciplinary Studies, Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Joaquim M S Cabral
- Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Frederico Castelo Ferreira
- Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
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11
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Nashchekina Y, Chabina A, Nashchekin A, Mikhailova N. Polycaprolactone Films Modified by L-Arginine for Mesenchymal Stem Cell Cultivation. Polymers (Basel) 2020; 12:E1042. [PMID: 32370245 PMCID: PMC7284497 DOI: 10.3390/polym12051042] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/22/2020] [Accepted: 04/27/2020] [Indexed: 12/12/2022] Open
Abstract
This article describes the modification conditions and properties of polymer films obtained using a solution of poly(ε-caprolactone) modified with arginine. We investigated the effects on the surface and biological properties of films created using various arginine concentrations and temperature conditions during the modification process. We found that both increasing the arginine concentration of the treatment solution or the temperature of the treatment reaction increased the arginine content of the film. Following a cellular cultivation period of 3 days, greater levels of cell proliferation were observed on all modified poly(ε-caprolactone) films compared to unmodified polymer films. Experiments using fluorescence microscopy showed that the modification conditions also had a significant effect on cellular spreading and the organization of the actin cytoskeleton following 2 h of cultivation. The degree of spreading and actin cytoskeleton organization observed in cells on these modified polymer films was superior to that of the control films.
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Affiliation(s)
- Yuliya Nashchekina
- Center of Cell Technologies, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky pr. 4, St. Petersburg 194064, Russia; (A.C.); (N.M.)
| | - Alina Chabina
- Center of Cell Technologies, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky pr. 4, St. Petersburg 194064, Russia; (A.C.); (N.M.)
| | - Alexey Nashchekin
- Laboratory Materials and structures of Solid State electronics, Ioffe Institute, Polytekhnicheskaya str., 26, St. Petersburg 194021, Russia;
| | - Natalia Mikhailova
- Center of Cell Technologies, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky pr. 4, St. Petersburg 194064, Russia; (A.C.); (N.M.)
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12
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Improved cellular bioactivity by heparin immobilization on polycarbonate film via an aminolysis modification for potential tendon repair. Int J Biol Macromol 2020; 142:835-845. [DOI: 10.1016/j.ijbiomac.2019.09.136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/23/2019] [Accepted: 09/30/2019] [Indexed: 12/19/2022]
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13
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Jana S. Endothelialization of cardiovascular devices. Acta Biomater 2019; 99:53-71. [PMID: 31454565 DOI: 10.1016/j.actbio.2019.08.042] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 07/19/2019] [Accepted: 08/22/2019] [Indexed: 01/10/2023]
Abstract
Blood-contacting surfaces of cardiovascular devices are not biocompatible for creating an endothelial layer on them. Numerous research studies have mainly sought to modify these surfaces through physical, chemical and biological means to ease early endothelial cell (EC) adhesion, migration and proliferation, and eventually to build an endothelial layer on the surfaces. The first priority for surface modification is inhibition of protein adsorption that leads to inhibition of platelet adhesion to the device surfaces, which may favor EC adhesion. Surface modification through surface texturing, if applicable, can bring some hopeful outcomes in this regard. Surface modifications through chemical and/or biological means may play a significant role in easy endothelialization of cardiovascular devices and inhibit smooth muscle cell proliferation. Cellular engineering of cells relevant to endothelialization can boost the positive outcomes obtained through surface engineering. This review briefly summarizes recent developments and research in early endothelialization of cardiovascular devices. STATEMENT OF SIGNIFICANCE: Endothelialization of cardiovascular implants, including heart valves, vascular stents and vascular grafts is crucial to solve many problems in our health care system. Numerous research efforts have been made to improve endothelialization on the surfaces of cardiovascular implants, mainly through surface modifications in three ways - physically, chemically and biologically. This review is intended to highlight comprehensive research studies to date on surface modifications aiming for early endothelialization on the blood-contacting surfaces of cardiovascular implants. It also discusses future perspectives to help guide endothelialization strategies and inspire further innovations.
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Affiliation(s)
- Soumen Jana
- Department of Bioengineering, University of Missouri, Columbia, MO 65211, USA.
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14
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Jeznach O, Kolbuk D, Sajkiewicz P. Aminolysis of Various Aliphatic Polyesters in a Form of Nanofibers and Films. Polymers (Basel) 2019; 11:E1669. [PMID: 31614975 PMCID: PMC6835534 DOI: 10.3390/polym11101669] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022] Open
Abstract
Surface functionalization of polymer scaffolds is a method used to improve interactions of materials with cells. A frequently used method for polyesters is aminolysis reaction, which introduces free amine groups on the surface. In this study, nanofibrous scaffolds and films of three different polyesters-polycaprolactone (PCL), poly(lactide-co-caprolactone) (PLCL), and poly(l-lactide) (PLLA) were subjected to this type of surface modification under the same conditions. Efficiency of aminolysis was evaluated on the basis of ninhydrin tests and ATR-FTIR spectroscopy. Also, impact of this treatment on the mechanical properties, crystallinity, and wettability of polyesters was compared and discussed from the perspective of aminolysis efficiency. It was shown that aminolysis is less efficient in the case of nanofibers, particularly for PCL nanofibers. Our hypothesis based on the fundamentals of classical high speed spinning process is that the lower efficiency of aminolysis in the case of nanofibers is associated with the radial distribution of crystallinity of electrospun fiber with more crystalline skin, strongly inhibiting the reaction. Moreover, the water contact angle results demonstrate that the effect of free amino groups on wettability is very different depending on the type and the form of polymer. The results of this study can help to understand fundamentals of aminolysis-based surface modification.
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Affiliation(s)
- Oliwia Jeznach
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5B, 02-106 Warsaw, Poland.
| | - Dorota Kolbuk
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5B, 02-106 Warsaw, Poland.
| | - Paweł Sajkiewicz
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5B, 02-106 Warsaw, Poland.
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15
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Li C, Mao J, Li Q, Wang F, Jiao Y, Zhang Z, Guidoin R, Wang L. Long-term anticoagulation and selective cells adhesion surface via combination of covalent grafting and layer by layer assembly. Biomed Mater 2019; 14:065012. [DOI: 10.1088/1748-605x/ab452b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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17
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van Gaal RC, Buskermolen ABC, Ippel BD, Fransen PPKH, Zaccaria S, Bouten CVC, Dankers PYW. Functional peptide presentation on different hydrogen bonding biomaterials using supramolecular additives. Biomaterials 2019; 224:119466. [PMID: 31542516 DOI: 10.1016/j.biomaterials.2019.119466] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 08/06/2019] [Accepted: 08/30/2019] [Indexed: 01/20/2023]
Abstract
Supramolecular biomaterials based on hydrogen bonding units can be conveniently functionalized in a mix-and-match approach using supramolecular additives. The presentation of bioactive additives has been sparsely investigated in supramolecular-based elastomeric biomaterials. Here it was investigated how cell adhesive peptides are presented and affect the surface in supramolecular biomaterials based either on ureido-pyrimidinone (UPy) or bisurea (BU) moieties. Polycaprolactone modified with UPy or BU moieties served as the base material. RGD or cyclic (c)RGD were conjugated to complementary supramolecular motifs, and were mixed with the corresponding base materials as supramolecular additives. Biomaterial surface morphology changed upon bioactivation, resulting in the formation of random aggregates on UPy-based materials, and fibrous aggregates on BU-materials. Moreover, peptide type affected aggregation morphology, in which RGD led to larger cluster formation than cRGD. Increased cRGD concentrations led to reduced focal adhesion size and cell migration velocity, and increased focal adhesion numbers in both systems, yet most prominent on functionalized BU-biomaterials. In conclusion, both systems exhibited distinct peptide presenting properties, of which the BU-system most strongly affected cellular adhesive behavior on the biomaterial. This research provided deeper insights in the differences between supramolecular elastomeric platforms, and the level of peptide introduction for biomaterial applications.
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Affiliation(s)
- Ronald C van Gaal
- Laboratory for Cell and Tissue Engineering, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands
| | - Antonetta B C Buskermolen
- Laboratory for Cell and Tissue Engineering, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands
| | - Bastiaan D Ippel
- Laboratory for Cell and Tissue Engineering, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands
| | - Peter-Paul K H Fransen
- Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Laboratory of Chemical Biology, Eindhoven University of Technology, PO Box 513, 5600, MB, Eindhoven, the Netherlands
| | - Sabrina Zaccaria
- Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Laboratory of Chemical Biology, Eindhoven University of Technology, PO Box 513, 5600, MB, Eindhoven, the Netherlands
| | - Carlijn V C Bouten
- Laboratory for Cell and Tissue Engineering, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands
| | - Patricia Y W Dankers
- Laboratory for Cell and Tissue Engineering, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, PO Box 513, 5600, MB, Eindhoven, the Netherlands; Laboratory of Chemical Biology, Eindhoven University of Technology, PO Box 513, 5600, MB, Eindhoven, the Netherlands.
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18
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Biocompatibility of Cyclopropylamine-Based Plasma Polymers Deposited at Sub-Atmospheric Pressure on Poly (ε-caprolactone) Nanofiber Meshes. NANOMATERIALS 2019; 9:nano9091215. [PMID: 31466357 PMCID: PMC6780329 DOI: 10.3390/nano9091215] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 08/21/2019] [Accepted: 08/26/2019] [Indexed: 01/17/2023]
Abstract
In this work, cyclopropylamine (CPA) monomer was plasma-polymerized on poly (ε-caprolactone) nanofiber meshes using various deposition durations to obtain amine-rich surfaces in an effort to improve the cellular response of the meshes. Scanning electron microscopy and X-ray photoelectron spectroscopy (XPS) were used to investigate the surface morphology and surface chemical composition of the PCL samples, respectively. The measured coating thickness was found to linearly increase with deposition duration at a deposition rate of 0.465 nm/s. XPS analysis revealed that plasma exposure time had a considerable effect on the surface N/C and O/C ratio as well as on amino grafting efficiency and amino selectivity. In addition, cell studies showed that cell adhesion and proliferation significantly improved for all coated samples.
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19
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Camacho P, Busari H, Seims KB, Schwarzenberg P, Dailey HL, Chow LW. 3D printing with peptide-polymer conjugates for single-step fabrication of spatially functionalized scaffolds. Biomater Sci 2019; 7:4237-4247. [PMID: 31393469 DOI: 10.1039/c9bm00887j] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Biodegradable polymer-based scaffolds are widely used to provide support during early stages of regeneration and can be functionalized with various chemical groups or bioactive cues to promote desired cellular behavior. However, these scaffolds are often modified post-fabrication, which can lead to undesired changes and homogeneously distributed chemistries that fail to mimic the spatial biochemical organization found in native tissues. To address these challenges, surface functionalization can be achieved by 3D printing with pre-functionalized biodegradable polymers, such as peptide-modified polymer conjugates, to control the deposition of preferred chemistries. Peptide-PCL conjugates were synthesized with the canonical cell adhesion peptide motif RGDS or its negative control RGES and 3D printed into scaffolds displaying one or both peptides. The peptides were also modified with bioorthogonal groups, biotin and azide, to visualize peptide concentration and location by labeling with complementary fluorophores. Peptide concentration on the scaffold surface increased with increasing peptide-PCL conjugate concentration added to the ink prior to 3D printing, and scaffolds printed with the highest RGDS(biotin)-PCL concentrations showed a significant increase in NIH3T3 fibroblast adhesion. To demonstrate spatial control of peptide functionalization, multiple printer heads were used to print both peptide-PCL conjugates into the same construct in alternating patterns. Cells preferentially attached and spread on RGDS(biotin)-PCL fibers compared to RGES(azide)-PCL fibers, illustrating how spatial functionalization can be used to influence local cell behavior within a single biomaterial. This presents a versatile platform to generate multifunctional biomaterials that can mimic the biochemical organization found in native tissues to support functional regeneration.
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Affiliation(s)
- Paula Camacho
- Department of Bioengineering, Lehigh University, Bethlehem, PA, USA.
| | - Hafiz Busari
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA, USA
| | - Kelly B Seims
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA, USA
| | | | - Hannah L Dailey
- Department of Mechanical Engineering and Mechanics, Bethlehem, PA, USA
| | - Lesley W Chow
- Department of Bioengineering, Lehigh University, Bethlehem, PA, USA. and Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA, USA
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20
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Yassin MA, Fuoco T, Mohamed-Ahmed S, Mustafa K, Finne-Wistrand A. 3D and Porous RGDC-Functionalized Polyester-Based Scaffolds as a Niche to Induce Osteogenic Differentiation of Human Bone Marrow Stem Cells. Macromol Biosci 2019; 19:e1900049. [PMID: 31050389 DOI: 10.1002/mabi.201900049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/18/2019] [Indexed: 01/05/2023]
Abstract
Polyester-based scaffolds covalently functionalized with arginine-glycine-aspartic acid-cysteine (RGDC) peptide sequences support the proliferation and osteogenic differentiation of stem cells. The aim is to create an optimized 3D niche to sustain human bone marrow stem cell (hBMSC) viability and osteogenic commitment, without reliance on differentiation media. Scaffolds consisting of poly(lactide-co-trimethylene carbonate), poly(LA-co-TMC), and functionalized poly(lactide) copolymers with pendant thiol groups are prepared by salt-leaching technique. The availability of functional groups on scaffold surfaces allows for an easy and straightforward method to covalently attach RGDC peptide motifs without affecting the polymerization degree. The strategy enables the chemical binding of bioactive motifs on the surfaces of 3D scaffolds and avoids conventional methods that require harsh conditions. Gene and protein levels and mineral deposition indicate the osteogenic commitment of hBMSC cultured on the RGDC functionalized surfaces. The osteogenic commitment of hBMSC is enhanced on functionalized surfaces compared with nonfunctionalized surfaces and without supplementing media with osteogenic factors. Poly(LA-co-TMC) scaffolds have potential as scaffolds for osteoblast culture and bone grafts. Furthermore, these results contribute to the development of biomimetic materials and allow a deeper comprehension of the importance of RGD peptides on stem cell transition toward osteoblastic lineage.
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Affiliation(s)
- Mohammed A Yassin
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden.,Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Tiziana Fuoco
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden
| | - Samih Mohamed-Ahmed
- Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Anna Finne-Wistrand
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden
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21
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Lee PC, Zan BS, Chen LT, Chung TW. Multifunctional PLGA-based nanoparticles as a controlled release drug delivery system for antioxidant and anticoagulant therapy. Int J Nanomedicine 2019; 14:1533-1549. [PMID: 30880963 PMCID: PMC6396665 DOI: 10.2147/ijn.s174962] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background Ischemia/reperfusion (I/R) injury causes the generation of many ROS such as H2O2 and leads to vascular thrombosis, which causes tissue damage. Purpose In this investigation, poly (lactideco-glycolide) (PLGA)-based nanoparticles are used for their anticoagulant and antioxidant properties in vascular therapy. Methods Both heparin and glutathione are entrapped on PLGA-stearylamine nanoparticles by layer-by-layer interactions. Results The drug release rate is successfully controlled with only 10.3% of the heparin released after 96 hours. An H2O2-responsive platform is also developed by combining silk fibroin and horse peroxidase to detect H2O2 in this drug delivery system. Besides, hyaluronic acid was decorated on the surface of nanoparticles to target the human bone marrow mesenchymal stem cells (hBMSCs) for cell therapy. The results of an in vitro study indicate that the nanoparticles could be taken up by hBMSCs within 2 hours and exocytosis occurred 6 hours after cellular uptake. Conclusion We propose that the multifunctional nanoparticles that are formed herein can be effectively delivered to the site of an I/R injury via the hBMSC homing effect. The proposed approach can potentially be used to treat vascular diseases, providing a platform for hBMSCs for the controlled delivery of a wide range of drugs.
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Affiliation(s)
- Pei-Chi Lee
- Department of Biomedical Engineering, National Yang Ming University, Taipei 112, Taiwan,
| | - Bo-Shen Zan
- Department of Biomedical Engineering, National Yang Ming University, Taipei 112, Taiwan,
| | - Li-Ting Chen
- Department of Biomedical Engineering, National Yang Ming University, Taipei 112, Taiwan,
| | - Tze-Wen Chung
- Department of Biomedical Engineering, National Yang Ming University, Taipei 112, Taiwan, .,Drug Delivery Department, Center for Advanced Pharmaceutics and Drug Delivery Research, National Yang Ming University, Taipei 112, Taiwan,
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22
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Petre DG, Kucko NW, Abbadessa A, Vermonden T, Polini A, Leeuwenburgh SC. Surface functionalization of polylactic acid fibers with alendronate groups does not improve the mechanical properties of fiber-reinforced calcium phosphate cements. J Mech Behav Biomed Mater 2019; 90:472-483. [DOI: 10.1016/j.jmbbm.2018.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 11/01/2018] [Accepted: 11/02/2018] [Indexed: 10/27/2022]
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23
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B. Erdal N, Yao JG, Hakkarainen M. Cellulose-Derived Nanographene Oxide Surface-Functionalized Three-Dimensional Scaffolds with Drug Delivery Capability. Biomacromolecules 2018; 20:738-749. [DOI: 10.1021/acs.biomac.8b01421] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Nejla B. Erdal
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Jenevieve G. Yao
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Minna Hakkarainen
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
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24
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Determination of polyurethane-grafted peptide (GSGREDVGSG) using bicinchoninic acid assay. Biotechniques 2018; 64:245-253. [PMID: 29939094 DOI: 10.2144/btn-2018-0004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The goal in the presented study was to develop a simple, fast and accurate method for measuring the surface density of a short peptide sequence bound to a polymeric substrate. We analyzed polyurethane samples chemically modified with acrylic acid and polyurethane-grafted peptide (GSGREDVGSG) and investigated the possibility of using the bicinchoninic acid (BCA) assay to determine surface density of the solid-supported peptide. We set the conditions (temperature, time) under which the test should be conducted. We also studied the interaction of the BCA reagent with polyurethane substrate and the effect of drying conditions as well as material type and form on the test response. We have proposed potential factors that might interfere with the BCA assay and chosen the proper control materials.
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25
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Chan KV, Onyshchenko I, Nikiforov A, Aziz G, Morent R, De Geyter N. Plasma polymerization of cyclopropylamine with a sub-atmospheric pressure DBD. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.03.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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26
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Maietta S, De Santis R, Catauro M, Martorelli M, Gloria A. Theoretical Design of Multilayer Dental Posts Using CAD-Based Approach and Sol-Gel Chemistry. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E738. [PMID: 29735896 PMCID: PMC5978115 DOI: 10.3390/ma11050738] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 04/23/2018] [Accepted: 05/04/2018] [Indexed: 11/17/2022]
Abstract
A computer-aided design (CAD)-based approach and sol-gel chemistry were used to design a multilayer dental post with a compositional gradient and a Young’s modulus varying from 12.4 to 2.3 GPa in the coronal-apical direction. Specifically, we propose a theoretical multilayer post design, consisting of titanium dioxide (TiO₂) and TiO₂/poly(ε-caprolactone) (PCL) hybrid materials containing PCL up to 24% by weight obtained using the sol-gel method. The current study aimed to analyze the effect of the designed multilayer dental post in endodontically treated anterior teeth. Stress distribution was investigated along and between the post and the surrounding structures. In comparison to a metal post, the most uniform distributions with lower stress values and no significant stress concentration were found when using the multilayer post.
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Affiliation(s)
- Saverio Maietta
- Department of Industrial Engineering, Fraunhofer JL IDEAS-University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy.
| | - Roberto De Santis
- Institute of Polymers, Composites and Biomaterials-National Research Council of Italy, V.le J.F. Kennedy 54-Mostra d'Oltremare Pad. 20, 80125 Naples, Italy.
| | - Michelina Catauro
- Department of Industrial and Information Engineering, University of Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Italy.
| | - Massimo Martorelli
- Department of Industrial Engineering, Fraunhofer JL IDEAS-University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy.
| | - Antonio Gloria
- Institute of Polymers, Composites and Biomaterials-National Research Council of Italy, V.le J.F. Kennedy 54-Mostra d'Oltremare Pad. 20, 80125 Naples, Italy.
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Maltose conjugation to PCL: Advanced structural characterization and preliminary biological properties. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.01.051] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Kim JY, Ahn G, Kim C, Lee JS, Lee IG, An SH, Yun WS, Kim SY, Shim JH. Synergistic Effects of Beta Tri-Calcium Phosphate and Porcine-Derived Decellularized Bone Extracellular Matrix in 3D-Printed Polycaprolactone Scaffold on Bone Regeneration. Macromol Biosci 2018; 18:e1800025. [DOI: 10.1002/mabi.201800025] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/08/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Jun-Young Kim
- Department of Orthopedic Surgery; Kyungpook National University Hospital; 130 Dongdeok-ro Jung-gu Daegu 41944 Republic of Korea
| | - Geunseon Ahn
- Research Institute; T&R Biofab Co., Ltd.; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Changhwan Kim
- Research Institute; T&R Biofab Co., Ltd.; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Jeong-Seok Lee
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - In-Gyu Lee
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Sang-Hyun An
- Laboratory Animal Center; Daegu-Gyeongbuk Medical Innovation Foundation; 88 Dongae-ro Dong-gu Daegu 41061 Republic of Korea
| | - Won-Soo Yun
- Research Institute; T&R Biofab Co., Ltd.; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Shin-Yoon Kim
- Department of Orthopedic Surgery; Kyungpook National University Hospital; 130 Dongdeok-ro Jung-gu Daegu 41944 Republic of Korea
| | - Jin-Hyung Shim
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
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Maietta S, Russo T, Santis RD, Ronca D, Riccardi F, Catauro M, Martorelli M, Gloria A. Further Theoretical Insight into the Mechanical Properties of Polycaprolactone Loaded with Organic-Inorganic Hybrid Fillers. MATERIALS 2018; 11:ma11020312. [PMID: 29466299 PMCID: PMC5849009 DOI: 10.3390/ma11020312] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 02/14/2018] [Accepted: 02/17/2018] [Indexed: 01/14/2023]
Abstract
Experimental/theoretical analyses have already been performed on poly(ε-caprolactone) (PCL) loaded with organic-inorganic fillers (PCL/TiO₂ and PCL/ZrO₂) to find a correlation between the results from the small punch test and Young's modulus of the materials. PCL loaded with Ti2 (PCL = 12, TiO₂ = 88 wt %) and Zr2 (PCL = 12, ZrO₂ = 88 wt %) hybrid fillers showed better performances than those obtained for the other particle composition. In this context, the aim of current research is to provide further insight into the mechanical properties of PCL loaded with sol-gel-synthesized organic-inorganic hybrid fillers for bone tissue engineering. For this reason, theoretical analyses were performed by the finite element method. The results from the small punch test and Young's modulus of the materials were newly correlated. The obtained values of Young's modulus (193 MPa for PCL, 378 MPa for PCL/Ti2 and 415 MPa for PCL/Zr2) were higher than those obtained from a previous theoretical modelling (144 MPa for PCL, 282 MPa for PCL/Ti2 and 310 MPa for PCL/Zr2). This correlation will be an important step for the evaluation of Young's modulus, starting from the small punch test data.
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Affiliation(s)
- Saverio Maietta
- Department of Industrial Engineering, Fraunhofer JL IDEAS-University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy.
| | - Teresa Russo
- Institute of Polymers, Composites and Biomaterials-National Research Council of Italy, V.le J.F. Kennedy 54-Mostra d'Oltremare Pad. 20, 80125 Naples, Italy.
| | - Roberto De Santis
- Institute of Polymers, Composites and Biomaterials-National Research Council of Italy, V.le J.F. Kennedy 54-Mostra d'Oltremare Pad. 20, 80125 Naples, Italy.
| | - Dante Ronca
- Institute of Orthopaedics and Traumathology, University of Campania "Luigi Vanvitelli", Via L. De Crecchio, 2-4, 80138 Naples, Italy.
| | - Filomena Riccardi
- Institute of Orthopaedics and Traumathology, University of Campania "Luigi Vanvitelli", Via L. De Crecchio, 2-4, 80138 Naples, Italy.
| | - Michelina Catauro
- Department of Industrial and Information Engineering, University of Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Italy.
| | - Massimo Martorelli
- Department of Industrial Engineering, Fraunhofer JL IDEAS-University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy.
| | - Antonio Gloria
- Institute of Polymers, Composites and Biomaterials-National Research Council of Italy, V.le J.F. Kennedy 54-Mostra d'Oltremare Pad. 20, 80125 Naples, Italy.
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Poly(∊-Caprolactone) Reinforced with Sol-Gel Synthesized Organic-Inorganic Hybrid Fillers as Composite Substrates for Tissue Engineering. ACTA ACUST UNITED AC 2018. [DOI: 10.5301/jabb.2010.6094] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Catauro M, Tranquillo E, Illiano M, Sapio L, Spina A, Naviglio S. The Influence of the Polymer Amount on the Biological Properties of PCL/ZrO₂ Hybrid Materials Synthesized via Sol-Gel Technique. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E1186. [PMID: 29039803 PMCID: PMC5666992 DOI: 10.3390/ma10101186] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 10/10/2017] [Accepted: 10/13/2017] [Indexed: 12/11/2022]
Abstract
Organic/inorganic hybrid materials are attracting considerable attention in the biomedical area. The sol-gel process provides a convenient way to produce many bioactive organic-inorganic hybrids. Among those, poly(e-caprolactone)/zirconia (PCL/ZrO₂) hybrids have proved to be bioactive with no toxic materials. The aim of this study was to investigate the effects of these materials on the cellular response as a function of the PCL content, in order to evaluate their potential use in the biomedical field. For this purpose, PCL/ZrO₂ hybrids containing 6, 12, 24, and 50 wt % of PCL were synthesized by the sol-gel method. The effects of their presence on the NIH-3T3 fibroblast cell line carrying out direct cell number counting, MTT, cell damage assays, flow cytometry-based analysis of cell-cycle progression, and immunoblotting experiments. The results confirm and extend the findings that PCL/ZrO₂ hybrids are free from toxicity. The hybrids containing 12 and 24 wt % PCL, (more than 6 and 50 wt % ones) enhance cell proliferation when compared to pure ZrO₂ by affecting cell cycle progression. The finding that the content of PCL in PCL/ZrO₂ hybrids differently supports cell proliferation suggests that PCL/ZrO₂ hybrids could be useful tools with different potential clinical applications.
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Affiliation(s)
- Michelina Catauro
- Department of Industrial and Information Engineering, University of Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Italy.
| | - Elisabetta Tranquillo
- Department of Industrial and Information Engineering, University of Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Italy.
- Department of Biochemistry, Biophysics and General Pathology, Medical School, University of Campania "Luigi Vanvitelli", Via L. De Crecchio 7, 80138 Naples, Italy.
| | - Michela Illiano
- Department of Biochemistry, Biophysics and General Pathology, Medical School, University of Campania "Luigi Vanvitelli", Via L. De Crecchio 7, 80138 Naples, Italy.
| | - Luigi Sapio
- Department of Biochemistry, Biophysics and General Pathology, Medical School, University of Campania "Luigi Vanvitelli", Via L. De Crecchio 7, 80138 Naples, Italy.
| | - Annamaria Spina
- Department of Biochemistry, Biophysics and General Pathology, Medical School, University of Campania "Luigi Vanvitelli", Via L. De Crecchio 7, 80138 Naples, Italy.
| | - Silvio Naviglio
- Department of Biochemistry, Biophysics and General Pathology, Medical School, University of Campania "Luigi Vanvitelli", Via L. De Crecchio 7, 80138 Naples, Italy.
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32
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D'Amora U, D'Este M, Eglin D, Safari F, Sprecher CM, Gloria A, De Santis R, Alini M, Ambrosio L. Collagen density gradient on three-dimensional printed poly(ε-caprolactone) scaffolds for interface tissue engineering. J Tissue Eng Regen Med 2017; 12:321-329. [PMID: 28486746 DOI: 10.1002/term.2457] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 02/13/2017] [Accepted: 05/04/2017] [Indexed: 11/09/2022]
Abstract
The ability to engineer scaffolds that resemble the transition between tissues would be beneficial to improve repair of complex organs, but has yet to be achieved. In order to mimic tissue organization, such constructs should present continuous gradients of geometry, stiffness and biochemical composition. Although the introduction of rapid prototyping or additive manufacturing techniques allows deposition of heterogeneous layers and shape control, the creation of surface chemical gradients has not been explored on three-dimensional (3D) scaffolds obtained through fused deposition modelling technique. Thus, the goal of this study was to introduce a gradient functionalization method in which a poly(ε-caprolactone) surface was first aminolysed and subsequently covered with collagen via carbodiimide reaction. The 2D constructs were characterized for their amine and collagen contents, wettability, surface topography and biofunctionality. Finally, chemical gradients were created in 3D printed scaffolds with controlled geometry and porosity. The combination of additive manufacturing and surface modification is a viable tool for the fabrication of 3D constructs with controlled structural and chemical gradients. These constructs can be employed for mimicking continuous tissue gradients for interface tissue engineering.
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Affiliation(s)
- Ugo D'Amora
- Institute of Polymers, Composites and Biomaterials, National Research Council, Naples, Italy
| | | | - David Eglin
- AO Research Institute Davos, Davos, Switzerland
| | | | | | - Antonio Gloria
- Institute of Polymers, Composites and Biomaterials, National Research Council, Naples, Italy
| | - Roberto De Santis
- Institute of Polymers, Composites and Biomaterials, National Research Council, Naples, Italy
| | - Mauro Alini
- AO Research Institute Davos, Davos, Switzerland
| | - Luigi Ambrosio
- Institute of Polymers, Composites and Biomaterials, National Research Council, Naples, Italy
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Poly(ε-caprolactone) modification via surface initiated atom transfer radical polymerization with bio-inspired phosphorylcholine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 77:45-51. [DOI: 10.1016/j.msec.2017.03.165] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 03/16/2017] [Accepted: 03/17/2017] [Indexed: 12/26/2022]
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Aguirre-Chagala YE, Altuzar V, León-Sarabia E, Tinoco-Magaña JC, Yañez-Limón JM, Mendoza-Barrera C. Physicochemical properties of polycaprolactone/collagen/elastin nanofibers fabricated by electrospinning. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:897-907. [PMID: 28482605 DOI: 10.1016/j.msec.2017.03.118] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 02/18/2017] [Accepted: 03/15/2017] [Indexed: 01/01/2023]
Abstract
Collagen and elastin are the two most abundant proteins in the human body, and as biomaterials offer fascinating properties to composite materials. More detailed investigations including these biomaterials within reinforced composites are still needed. This report describes physicochemical properties of fibers composed of collagen type I, collagen III, elastin and polycaprolactone (PCL). Prior to the electrospinning process, PCL was functionalized through covalent attachment of -NH2 groups by aminolysis reaction with hexamentilendiamine. The fibers were fabricated by electrospinning technique set up with a non-conventional collector. A morphological comparative study was developed at different rations of collagen type I, observing in some cases two populations of fibers. The diameters and morphology were analyzed by SEM, observing a wide array of nanostructures with diameters of ~310 to 693nm. Chemical characterization was assessed by FT-IR spectroscopy and the functionalized PCL was characterized through ninhydrin assay resulting in 0.36mM NH2/mg fiber. Swelling tests were performed for 24h, obtaining 320% for the majority of the fibers indicating morphological stability and good water uptake. In addition, contact angle analysis demonstrated adequate permeability and differences for each system depending mainly upon the type of biopolymer incorporated and the functionalization of PCL, ranging the values from 108° to 17°. Moreover, differential scanning calorimetry results showed a melting temperature (Tm) of ~60°C. The onset degradation temperatures (Td,onset) ranged between 115 and 148°C, and were obtained by thermogravimetric analysis. The local mechanical properties of individual fibers were quantified by atomic force acoustic microscopy. These results propose that the physicochemical and mechanical properties of these scaffolds offer the possibility for enhanced biological activity Thus, they have a great potential as candidate scaffolds in tissue engineering applications.
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Affiliation(s)
- Yanet E Aguirre-Chagala
- Laboratorio de Nanobiotecnología, Centro de Investigación en Micro y Nanotecnología, Universidad Veracruzana, Boca del Río, Ver. 94294, Mexico
| | - Víctor Altuzar
- Laboratorio de Nanobiotecnología, Centro de Investigación en Micro y Nanotecnología, Universidad Veracruzana, Boca del Río, Ver. 94294, Mexico; Facultad de Ciencias Físico-Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Puebla 72570, Mexico
| | - Eleazar León-Sarabia
- CINVESTAV Unidad Querétaro, Lib. Norponiente 2000, Real de Juriquilla, 76230 Querétaro, Qro., Mexico
| | - Julio C Tinoco-Magaña
- Laboratorio de Nanobiotecnología, Centro de Investigación en Micro y Nanotecnología, Universidad Veracruzana, Boca del Río, Ver. 94294, Mexico
| | - José M Yañez-Limón
- CINVESTAV Unidad Querétaro, Lib. Norponiente 2000, Real de Juriquilla, 76230 Querétaro, Qro., Mexico
| | - Claudia Mendoza-Barrera
- Laboratorio de Nanobiotecnología, Centro de Investigación en Micro y Nanotecnología, Universidad Veracruzana, Boca del Río, Ver. 94294, Mexico; Facultad de Ciencias Físico-Matemáticas, Benemérita Universidad Autónoma de Puebla, Puebla, Puebla 72570, Mexico.
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35
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Wilke P, Kunde T, Chattopadhyay S, ten Brummelhuis N, Du Prez FE, Börner HG. Easy access to triazolinedione-endcapped peptides for chemical ligation. Chem Commun (Camb) 2017; 53:593-596. [DOI: 10.1039/c6cc08683g] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A triazolinedione-precursor is directly built up from N-terminal peptide amines on resin, enabling a versatile route towards peptide–polymer conjugates.
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Affiliation(s)
- P. Wilke
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- Humboldt-Universität zu Berlin
- 12489 Berlin
- Germany
| | - T. Kunde
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- Humboldt-Universität zu Berlin
- 12489 Berlin
- Germany
| | - S. Chattopadhyay
- Department of Organic and Macromolecular Chemistry
- Polymer Chemistry Research Group
- Ghent University
- Ghent
- Belgium
| | - N. ten Brummelhuis
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- Humboldt-Universität zu Berlin
- 12489 Berlin
- Germany
| | - F. E. Du Prez
- Department of Organic and Macromolecular Chemistry
- Polymer Chemistry Research Group
- Ghent University
- Ghent
- Belgium
| | - H. G. Börner
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- Humboldt-Universität zu Berlin
- 12489 Berlin
- Germany
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36
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Antonova LV, Seifalian AM, Kutikhin AG, Sevostyanova VV, Matveeva VG, Velikanova EA, Mironov AV, Shabaev AR, Glushkova TV, Senokosova EA, Vasyukov GY, Krivkina EO, Burago AY, Kudryavtseva YA, Barbarash OL, Barbarash LS. Conjugation with RGD Peptides and Incorporation of Vascular Endothelial Growth Factor Are Equally Efficient for Biofunctionalization of Tissue-Engineered Vascular Grafts. Int J Mol Sci 2016; 17:E1920. [PMID: 27854352 PMCID: PMC5133917 DOI: 10.3390/ijms17111920] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 10/21/2016] [Accepted: 10/31/2016] [Indexed: 01/13/2023] Open
Abstract
The blend of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and poly(ε-caprolactone) (PCL) has recently been considered promising for vascular tissue engineering. However, it was shown that PHBV/PCL grafts require biofunctionalization to achieve high primary patency rate. Here we compared immobilization of arginine-glycine-aspartic acid (RGD)-containing peptides and the incorporation of vascular endothelial growth factor (VEGF) as two widely established biofunctionalization approaches. Electrospun PHBV/PCL small-diameter grafts with either RGD peptides or VEGF, as well as unmodified grafts were implanted into rat abdominal aortas for 1, 3, 6, and 12 months following histological and immunofluorescence assessment. We detected CD31⁺/CD34⁺/vWF⁺ cells 1 and 3 months postimplantation at the luminal surface of PHBV/PCL/RGD and PHBV/PCL/VEGF, but not in unmodified grafts, with the further observation of CD31⁺CD34-vWF⁺ phenotype. These cells were considered as endothelial and produced a collagen-positive layer resembling a basement membrane. Detection of CD31⁺/CD34⁺ cells at the early stages with subsequent loss of CD34 indicated cell adhesion from the bloodstream. Therefore, either conjugation with RGD peptides or the incorporation of VEGF promoted the formation of a functional endothelial cell layer. Furthermore, both modifications increased primary patency rate three-fold. In conclusion, both of these biofunctionalization approaches can be considered as equally efficient for the modification of tissue-engineered vascular grafts.
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Affiliation(s)
- Larisa V Antonova
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Alexander M Seifalian
- Centre for Nanotechnology and Regenerative Medicine, UCL Division of Surgery and Interventional Science, University College London, UCL Medical School Building, 21 University Street, London WC1E 6AU, UK.
- NanoRegMed Ltd., 20-22 Wenlock Road, London N1 7GU, UK.
| | - Anton G Kutikhin
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Victoria V Sevostyanova
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Vera G Matveeva
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Elena A Velikanova
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Andrey V Mironov
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Amin R Shabaev
- Kemerovo Cardiology Dispensary, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Tatiana V Glushkova
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Evgeniya A Senokosova
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Georgiy Yu Vasyukov
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Evgeniya O Krivkina
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Andrey Yu Burago
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Yuliya A Kudryavtseva
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Olga L Barbarash
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
| | - Leonid S Barbarash
- Research Institute for Complex Issues of Cardiovascular Diseases, Sosnovy Boulevard 6, Kemerovo 650002, Russia.
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37
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Rodda AE, Ercole F, Glattauer V, Nisbet DR, Healy KE, Dove AP, Meagher L, Forsythe JS. Controlling integrin-based adhesion to a degradable electrospun fibre scaffold via SI-ATRP. J Mater Chem B 2016; 4:7314-7322. [PMID: 32263733 DOI: 10.1039/c6tb02444k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
While polycaprolactone (PCL) and similar polyesters are commonly used as degradable scaffold materials in tissue engineering and related applications, non-specific adsorption of environmental proteins typically precludes any control over the signalling pathways that are activated during cell adhesion to these materials. Here we describe the preparation of PCL-based fibres that facilitate cell adhesion through well-defined pathways while preventing adhesion via adsorbed proteins. Surface-initiated atom transfer radical polymerisation (SI-ATRP) was used to graft a protein-resistant polymer brush coating from the surface of fibres, which had been electrospun from a brominated PCL macroinitiator. This coating also provided alkyne functional groups for the attachment of specific signalling molecules via the copper-mediated azide-alkyne click reaction; in this case, a cyclic RGD peptide with high affinity for αvβ3 integrins. Mesenchymal stem cells were shown to attach to the fibres via the peptide, but did not attach in its absence, nor when blocked with soluble peptide, demonstrating the effective control of cell adhesion pathways.
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Affiliation(s)
- Andrew E Rodda
- Department of Materials Science and Engineering, and Monash Institute for Medical Engineering, Monash University, Wellington Rd, Clayton 3800, Victoria, Australia.
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Li X, Zhang Q, Ye D, Zhang J, Guo Y, You R, Yan S, Li M, Qu J. Fabrication and characterization of electrospun PCL/Antheraea pernyisilk fibroin nanofibrous scaffolds. POLYM ENG SCI 2016. [DOI: 10.1002/pen.24402] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Xiufang Li
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Qiang Zhang
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Dezhan Ye
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Jie Zhang
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Yuhang Guo
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Renchuan You
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Shuqin Yan
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Mingzhong Li
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering; Soochow University; No. 199 Ren'ai Road, Industrial Park Suzhou 215123 China
| | - Jing Qu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering; Soochow University; No. 199 Ren'ai Road, Industrial Park Suzhou 215123 China
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Guryanov I, Fiorucci S, Tennikova T. Receptor-ligand interactions: Advanced biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 68:890-903. [PMID: 27524092 DOI: 10.1016/j.msec.2016.07.072] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/11/2016] [Accepted: 07/26/2016] [Indexed: 12/24/2022]
Abstract
Receptor-ligand interactions (RLIs) are at the base of all biological events occurring in living cells. The understanding of interactions between complementary macromolecules in biological systems represents a high-priority research area in bionanotechnology to design the artificial systems mimicking natural processes. This review summarizes and analyzes RLIs in some cutting-edge biomedical fields, in particular, for the preparation of novel stationary phases to separate complex biological mixtures in medical diagnostics, for the design of ultrasensitive biosensors for identification of biomarkers of various diseases at early stages, as well as in the development of innovative biomaterials and approaches for regenerative medicine. All these biotechnological fields are closely related, because their success depends on a proper choice, combination and spatial disposition of the single components of ligand-receptor pairs on the surface of appropriately designed support.
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Affiliation(s)
- Ivan Guryanov
- Institute of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia.
| | - Stefano Fiorucci
- Department of Clinical and Experimental Medicine, University of Perugia, 06122 Perugia, Italy.
| | - Tatiana Tennikova
- Institute of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia.
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Ravikrishnan A, Ozdemir T, Bah M, Baskerville KA, Shah SI, Rajasekaran AK, Jia X. Regulation of Epithelial-to-Mesenchymal Transition Using Biomimetic Fibrous Scaffolds. ACS APPLIED MATERIALS & INTERFACES 2016; 8:17915-26. [PMID: 27322677 PMCID: PMC5070665 DOI: 10.1021/acsami.6b05646] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Epithelial-to-mesenchymal transition (EMT) is a well-studied biological process that takes place during embryogenesis, carcinogenesis, and tissue fibrosis. During EMT, the polarized epithelial cells with a cuboidal architecture adopt an elongated fibroblast-like morphology. This process is accompanied by the expression of many EMT-specific molecular markers. Although the molecular mechanism leading to EMT has been well-established, the effects of matrix topography and microstructure have not been clearly elucidated. Synthetic scaffolds mimicking the meshlike structure of the basement membrane with an average fiber diameter of 0.5 and 5 μm were produced via the electrospinning of poly(ε-caprolactone) (PCL) and were used to test the significance of fiber diameter on EMT. Cell-adhesive peptide motifs were conjugated to the fiber surface to facilitate cell attachment. Madin-Darby Canine Kidney (MDCK) cells grown on these substrates showed distinct phenotypes. On 0.5 μm substrates, cells grew as compact colonies with an epithelial phenotype. On 5 μm scaffolds, cells were more individually dispersed and appeared more fibroblastic. Upon the addition of hepatocyte growth factor (HGF), an EMT inducer, cells grown on the 0.5 μm scaffold underwent pronounced scattering, as evidenced by the alteration of cell morphology, localization of focal adhesion complex, weakening of cell-cell adhesion, and up-regulation of mesenchymal markers. In contrast, HGF did not induce a pronounced scattering of MDCK cells cultured on the 5.0 μm scaffold. Collectively, our results show that the alteration of the fiber diameter of proteins found in the basement membrane may create enough disturbances in epithelial organization and scattering that might have important implications in disease progression.
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Affiliation(s)
- Anitha Ravikrishnan
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
| | - Tugba Ozdemir
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
| | - Mohamed Bah
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
| | | | - S. Ismat Shah
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
- Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - Ayyappan K. Rajasekaran
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
- Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
- Therapy Architects, LLC, Helen F Graham Cancer Center, Newark, DE, 19718, USA
| | - Xinqiao Jia
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
- Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
- Department of Biomedical Engineering, University of Delaware, Newark, DE 19716, USA
- To whom correspondence should be addressed: Xinqiao Jia, 201 DuPont Hall, Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA. Phone: 302-831-6553, Fax: 302-831-4545,
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41
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Ventre M, Netti PA. Engineering Cell Instructive Materials To Control Cell Fate and Functions through Material Cues and Surface Patterning. ACS APPLIED MATERIALS & INTERFACES 2016; 8:14896-14908. [PMID: 26693600 DOI: 10.1021/acsami.5b08658] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Mastering the interaction between cells and extracellular environment is a fundamental prerequisite in order to engineer functional biomaterial interfaces able to instruct cells with specific commands. Such advanced biomaterials might find relevant application in prosthesis design, tissue engineering, diagnostics and stem cell biology. Because of the highly complex, dynamic, and multifaceted context, a thorough understanding of the cell-material crosstalk has not been achieved yet; however, a variety of material features including biological cues, topography, and mechanical properties have been proved to impact the strength and the nature of the cell-material interaction, eventually affecting cell fate and functions. Although the nature of these three signals may appear very different, they are equated by their participation in the same material-cytoskeleton crosstalk pathway as they regulate cell adhesion events. In this work we present recent and relevant findings on the material-induced cell responses, with a particular emphasis on how the presentation of biochemical/biophysical signals modulates cell behavior. Finally, we summarize and discuss the literature data to draw out unifying elements concerning cell recognition of and reaction to signals displayed by material surfaces.
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Affiliation(s)
- Maurizio Ventre
- Department of Chemical, Materials and Industrial Production Engineering and Interdisciplinary Research Centre on Biomaterials, University of Naples Federico II , P.le Tecchio 80, 80125 Naples, Italy
- Center for Advanced Biomaterials for Health Care@CRIB, Istituto Italiano di Tecnologia , L.go Barsanti e Matteucci 53, 80125 Naples, Italy
| | - Paolo A Netti
- Department of Chemical, Materials and Industrial Production Engineering and Interdisciplinary Research Centre on Biomaterials, University of Naples Federico II , P.le Tecchio 80, 80125 Naples, Italy
- Center for Advanced Biomaterials for Health Care@CRIB, Istituto Italiano di Tecnologia , L.go Barsanti e Matteucci 53, 80125 Naples, Italy
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42
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Antonova LV, Seifalian AM, Kutikhin AG, Sevostyanova VV, Krivkina EO, Mironov AV, Burago AY, Velikanova EA, Matveeva VG, Glushkova TV, Sergeeva EA, Vasyukov GY, Kudryavtseva YA, Barbarash OL, Barbarash LS. Bioabsorbable Bypass Grafts Biofunctionalised with RGD Have Enhanced Biophysical Properties and Endothelialisation Tested In vivo. Front Pharmacol 2016; 7:136. [PMID: 27252652 PMCID: PMC4879758 DOI: 10.3389/fphar.2016.00136] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 05/10/2016] [Indexed: 01/01/2023] Open
Abstract
Small diameter arterial bypass grafts are considered as unmet clinical need since the current grafts have poor patency of 25% within 5 years. We have developed a 3D scaffold manufactured from natural and synthetic biodegradable polymers, poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and poly(𝜀-caprolactone) (PCL), respectively. Further to improve the biophysical properties as well as endothelialisation, the grafts were covalently conjugated with arginine-glycine-aspartic acid (RGD) bioactive peptides. The biophysical properties as well as endothelialisation of PHBV/PCL and PCL 2 mm diameter bypass grafts were assessed with and without biofunctionalisation with RGD peptides in vitro and in vivo. Morphology of the grafts was assessed by scanning electron microscopy, whereas physico-mechanical properties were evaluated using a physiological circulating system equipped with a state of art ultrasound vascular wall tracking system. Endothelialisation of the grafts in vitro and in vivo were assessed using a cell viability assay and rat abdominal aorta replacement model, respectively. The biofunctionalisation with RGD bioactive peptides decreased mean fiber diameter and mean pore area in PHBV/PCL grafts; however, this was not the case for PCL grafts. Both PHBV/PCL and PCL grafts with RGD peptides had lower durability compared to those without; these durability values were similar to those of internal mammary artery. Modification of PHBV/PCL and PCL grafts with RGD peptides increased endothelial cell viability in vitro by a factor of eight and enhanced the formation of an endothelial cell monolayer in vivo 1 month postimplantation. In conclusion, PHBV/PCL small-caliber graft can be a suitable 3D scaffold for the development of a tissue engineering arterial bypass graft.
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Affiliation(s)
- Larisa V Antonova
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Alexander M Seifalian
- Centre for Nanotechnology and Regenerative Medicine, UCL Division of Surgery and Interventional Science, University College LondonLondon, UK; NanoRegMed LtdLondon, UK
| | - Anton G Kutikhin
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | | | - Evgeniya O Krivkina
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Andrey V Mironov
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Andrey Y Burago
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Elena A Velikanova
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Vera G Matveeva
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Tatiana V Glushkova
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Evgeniya A Sergeeva
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Georgiy Y Vasyukov
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | | | - Olga L Barbarash
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
| | - Leonid S Barbarash
- Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo, Russia
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Noel S, Hachem A, Merhi Y, De Crescenzo G. Development of a Polyester Coating Combining Antithrombogenic and Cell Adhesive Properties: Influence of Sequence and Surface Density of Adhesion Peptides. Biomacromolecules 2015; 16:1682-94. [DOI: 10.1021/acs.biomac.5b00219] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Samantha Noel
- Department
of Chemical Engineering, Groupe de Recherche en Sciences et Technologies
Biomédicales, Bio-P2 Research Unit, École Polytechnique de Montréal, P.O. Box 6079, succ. Centre-Ville, Montréal (QC), Canada H3C 3A7
| | - Ahmed Hachem
- Université de Montréal, Montreal Heart Institute, 5000 Belanger Est, Montréal (QC), Canada H1T 1C8
| | - Yahye Merhi
- Université de Montréal, Montreal Heart Institute, 5000 Belanger Est, Montréal (QC), Canada H1T 1C8
| | - Gregory De Crescenzo
- Department
of Chemical Engineering, Groupe de Recherche en Sciences et Technologies
Biomédicales, Bio-P2 Research Unit, École Polytechnique de Montréal, P.O. Box 6079, succ. Centre-Ville, Montréal (QC), Canada H3C 3A7
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44
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Galactose grafting on poly(ε-caprolactone) substrates for tissue engineering: a preliminary study. Carbohydr Res 2015; 405:39-46. [DOI: 10.1016/j.carres.2014.07.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 07/26/2014] [Accepted: 07/30/2014] [Indexed: 12/26/2022]
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Vaidya P, Grove T, Edgar KJ, Goldstein AS. Surface grafting of chitosan shell, polycaprolactone core fiber meshes to confer bioactivity. J BIOACT COMPAT POL 2015. [DOI: 10.1177/0883911515571147] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Electrospinning of polyesters (e.g. polycaprolactone) is an attractive approach for fabricating meshes with mechanical properties suitable for orthopedic tissue engineering applications. However, the resultant fused-fiber meshes are biologically inert, necessitating surface grafting of bioactive factors to stimulate cell adhesion. In this study, hydrophilic meshes displaying primary amine groups were prepared by coaxially electrospinning fibers with a chitosan/poly(ethylene oxide) shell and a polycaprolactone core. These chitosan–polycaprolactone fiber meshes were mechanically robust (Young’s modulus of 10.1 ± 1.6 MPa under aqueous conditions) with tensile properties comparable to polycaprolactone fiber meshes. Next, the integrin adhesion peptide arginine–glycine–aspartic acid was grafted to chitosan–polycaprolactone fiber meshes. Cell culture studies using bone marrow stromal cells indicated significantly better initial attachment and spreading on arginine–glycine–aspartic acid–conjugated fiber meshes. Specifically, metabolic activity, projected cell area, and cell aspect ratio were all elevated relative to cells seeded on polycaprolactone and unmodified chitosan–polycaprolactone meshes. These results demonstrate a flexible two-step process for creating bioactive electrospun fiber meshes.
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Affiliation(s)
- Prasad Vaidya
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA, USA
| | - Tijana Grove
- Department of Chemistry, Virginia Tech, Blacksburg, VA, USA
| | - Kevin J Edgar
- Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, VA, USA
| | - Aaron S Goldstein
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA, USA
- School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, VA, USA
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46
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Ligand engagement on material surfaces is discriminated by cell mechanosensoring. Biomaterials 2015; 45:72-80. [PMID: 25662497 DOI: 10.1016/j.biomaterials.2014.12.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 12/02/2014] [Accepted: 12/16/2014] [Indexed: 12/17/2022]
Abstract
Peptide or protein ligands can be used for molecular decoration to enhance the functionality of synthetic materials. However, some skepticism has arisen about the efficacy of such strategy in practical contexts since serum proteins largely adsorb. To address this issue, it is crucial to ascertain whether a chemically conjugated integrin-binding peptide is fully recognized by a cell even if partially covered by a physisorbed layer of serum protein; in more general terms, if competitive protein fragments physisorbed onto the surface are distinguishable from those chemically anchored to it. Here, we engraft an RGD peptide on poly-ε-caprolactone (PCL) surfaces and follow the dynamics of focal adhesion (FA) and cytoskeleton assembly at different times and culture conditions using a variety of analytical tools. Although the presence of serum protein covers the bioconjugated RGD significantly, after the first adhesion phase cells dig into the physisorbed layer and reach the submerged signal to establish a more stable adhesion structure (mature FAs). Although the spreading area index is not substantially affected by the presence of the RGD peptide, cells attached to chemically bound signals develop a stronger adhesive interaction with the materials and assemble a mechanically stable cytoskeleton. This demonstrates that cells are able to discriminate, via mechanosensoring, between adhesive motives belonging to physisorbed proteins and those firmly anchored on the material surface.
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47
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Ren X, Feng Y, Guo J, Wang H, Li Q, Yang J, Hao X, Lv J, Ma N, Li W. Surface modification and endothelialization of biomaterials as potential scaffolds for vascular tissue engineering applications. Chem Soc Rev 2015; 44:5680-742. [DOI: 10.1039/c4cs00483c] [Citation(s) in RCA: 359] [Impact Index Per Article: 39.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review highlights the recent developments of surface modification and endothelialization of biomaterials in vascular tissue engineering applications.
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Affiliation(s)
- Xiangkui Ren
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Yakai Feng
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Jintang Guo
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Haixia Wang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Qian Li
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jing Yang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Xuefang Hao
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Juan Lv
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Nan Ma
- Institute of Chemistry and Biochemistry
- Free University of Berlin
- D-14195 Berlin
- Germany
| | - Wenzhong Li
- Department of Cardiac Surgery
- University of Rostock
- D-18057 Rostock
- Germany
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48
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Yuan S, Xiong G, He F, Jiang W, Liang B, Pehkonen S, Choong C. PCL microspheres tailored with carboxylated poly(glycidyl methacrylate)–REDV conjugates as conducive microcarriers for endothelial cell expansion. J Mater Chem B 2015; 3:8670-8683. [DOI: 10.1039/c5tb01836f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
PCL microspheres were functionalized with carboxylated PGMA-REDV conjugates by a combination of surface-initiated ATRP and click reaction.
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Affiliation(s)
- Shaojun Yuan
- Multiphase Mass Transfer & Reaction Engineering Lab
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China 610065
| | - Gordon Xiong
- Division of Materials Technology
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore
- Singapore
| | - Fei He
- Multiphase Mass Transfer & Reaction Engineering Lab
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China 610065
| | - Wei Jiang
- Multiphase Mass Transfer & Reaction Engineering Lab
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China 610065
| | - Bin Liang
- Multiphase Mass Transfer & Reaction Engineering Lab
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China 610065
| | - Simo Pehkonen
- Department of Environmental Sciences
- University of Eastern Finland
- 70211 Kuopio
- Finland
| | - Cleo Choong
- Division of Materials Technology
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore
- Singapore
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49
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Shaneh S, Shokrolahi F, Shokrollahi P, Yeganeh H, Seyedjafari E, Ardeshirylajimi A, Omidian H. Improved immobilization of gelatin on a modified polyurethane urea. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911514558368] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this study, polyurethane urea was surface-modified to elevate cell recognition through immobilization of bioactive gelatin. The poly(urethane urea) was synthesized using poly(ε-caprolactone) diol in the absence of a chain extender. The synthesized polyurethane urea was then functionalized with gelatin (gelatin-grafted poly(urethane urea)) via aminolysis. Chemical changes at the polyurethane urea surface were monitored using titration, water contact angle. Fourier transform infrared, and zeta potential measurements. Significantly larger amounts of gelatin were grafted on the polyurethane urea surface compared to those previously reported for poly(ε-caprolactone) diol (three times more) and polyurethanes (two times more), while the mechanical properties were not compromised. Proliferation of human adipose–derived mesenchymal stem cells on the polyurethane urea and the gelatin-grafted polyurethane urea was evaluated through MTT assay. Although both samples enhanced human adipose–derived mesenchymal stem cells’ proliferation, gelatin-grafted polyurethane urea supported human adipose–derived mesenchymal stem cells’ proliferation at a remarkably higher rate.
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Affiliation(s)
- Shideh Shaneh
- Department of Biomaterials, Faculty of Science, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Fatemeh Shokrolahi
- Department of Biomaterials, Faculty of Science, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Parvin Shokrollahi
- Department of Biomaterials, Faculty of Science, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Hamid Yeganeh
- Department of Polyurethane, Faculty of Science, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | | | | | - Hossein Omidian
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
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50
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Chen Z, Kang L, Wang Z, Xu F, Gu G, Cui F, Guo Z. Recent progress in the research of biomaterials regulating cell behavior. RSC Adv 2014. [DOI: 10.1039/c4ra05534a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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