1
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Jiang C, Ma CY, Hazlehurst TA, Ilett TP, Jackson ASM, Hogg DC, Roberts KJ. Automated Growth Rate Measurement of the Facet Surfaces of Single Crystals of the β-Form of l-Glutamic Acid Using Machine Learning Image Processing. CRYSTAL GROWTH & DESIGN 2024; 24:3277-3288. [PMID: 38659658 PMCID: PMC11036364 DOI: 10.1021/acs.cgd.3c01548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 04/26/2024]
Abstract
Precision measurement of the growth rate of individual single crystal facets (hkl) represents an important component in the design of industrial crystallization processes. Current approaches for crystal growth measurement using optical microscopy are labor intensive and prone to error. An automated process using state-of-the-art computer vision and machine learning to segment and measure the crystal images is presented. The accuracies and efficiencies of the new crystal sizing approach are evaluated against existing manual and semi-automatic methods, demonstrating equivalent accuracy but over a much shorter time, thereby enabling a more complete kinematic analysis of the overall crystallization process. This is applied to measure in situ the crystal growth rates and through this determining the associated kinetic mechanisms for the crystallization of β-form l-glutamic acid from the solution phase. Growth on the {101} capping faces is consistent with a Birth and Spread mechanism, in agreement with the literature, while the growth rate of the {021} prismatic faces, previously not available in the literature, is consistent with a Burton-Cabrera-Frank screw dislocation mechanism. At a typical supersaturation of σ = 0.78, the growth rate of the {101} capping faces (3.2 × 10-8 m s-1) is found to be 17 times that of the {021} prismatic faces (1.9 × 10-9 m s-1). Both capping and prismatic faces are found to have dead zones in their growth kinetic profiles, with the capping faces (σc = 0.23) being about half that of the prismatic faces (σc = 0.46). The importance of this overall approach as an integral component of the digital design of industrial crystallization processes is highlighted.
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Affiliation(s)
- Chen Jiang
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
| | - Cai Y. Ma
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
| | - Thomas A. Hazlehurst
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
- School
of Computing, University of Leeds, Leeds LS2 9JT, U.K.
| | - Thomas P. Ilett
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
- School
of Computing, University of Leeds, Leeds LS2 9JT, U.K.
| | - Alexander S. M. Jackson
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
| | - David C. Hogg
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
- School
of Computing, University of Leeds, Leeds LS2 9JT, U.K.
| | - Kevin J. Roberts
- Centre
for the Digital Design of Drug Products, School of Chemical and Process
Engineering, University of Leeds, Leeds LS2 9JT, U.K.
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2
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Yao T, Chen H, Wang R, Rivero R, Wang F, Kessels L, Agten SM, Hackeng TM, Wolfs TG, Fan D, Baker MB, Moroni L. Thiol-ene conjugation of a VEGF peptide to electrospun scaffolds for potential applications in angiogenesis. Bioact Mater 2023; 20:306-317. [PMID: 35755423 PMCID: PMC9192696 DOI: 10.1016/j.bioactmat.2022.05.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 05/07/2022] [Accepted: 05/23/2022] [Indexed: 01/17/2023] Open
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3
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Chauhan A, Alam MA, Kaur A, Malviya R. Advancements and Utilizations of Scaffolds in Tissue Engineering and Drug Delivery. Curr Drug Targets 2023; 24:13-40. [PMID: 36221880 DOI: 10.2174/1389450123666221011100235] [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: 01/05/2022] [Revised: 03/02/2022] [Accepted: 03/09/2022] [Indexed: 11/22/2022]
Abstract
The drug development process requires a thorough understanding of the scaffold and its three-dimensional structure. Scaffolding is a technique for tissue engineering and the formation of contemporary functioning tissues. Tissue engineering is sometimes referred to as regenerative medicine. They also ensure that drugs are delivered with precision. Information regarding scaffolding techniques, scaffolding kinds, and other relevant facts, such as 3D nanostructuring, are discussed in depth in this literature. They are specific and demonstrate localized action for a specific reason. Scaffold's acquisition nature and flexibility make it a new drug delivery technology with good availability and structural parameter management.
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Affiliation(s)
- Akash Chauhan
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Md Aftab Alam
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Awaneet Kaur
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
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4
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Geevarghese R, Sajjadi SS, Hudecki A, Sajjadi S, Jalal NR, Madrakian T, Ahmadi M, Włodarczyk-Biegun MK, Ghavami S, Likus W, Siemianowicz K, Łos MJ. Biodegradable and Non-Biodegradable Biomaterials and Their Effect on Cell Differentiation. Int J Mol Sci 2022; 23:ijms232416185. [PMID: 36555829 PMCID: PMC9785373 DOI: 10.3390/ijms232416185] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 12/05/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022] Open
Abstract
Biomaterials for tissue scaffolds are key components in modern tissue engineering and regenerative medicine. Targeted reconstructive therapies require a proper choice of biomaterial and an adequate choice of cells to be seeded on it. The introduction of stem cells, and the transdifferentiation procedures, into regenerative medicine opened a new era and created new challenges for modern biomaterials. They must not only fulfill the mechanical functions of a scaffold for implanted cells and represent the expected mechanical strength of the artificial tissue, but furthermore, they should also assure their survival and, if possible, affect their desired way of differentiation. This paper aims to review how modern biomaterials, including synthetic (i.e., polylactic acid, polyurethane, polyvinyl alcohol, polyethylene terephthalate, ceramics) and natural (i.e., silk fibroin, decellularized scaffolds), both non-biodegradable and biodegradable, could influence (tissue) stem cells fate, regulate and direct their differentiation into desired target somatic cells.
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Affiliation(s)
- Rency Geevarghese
- Biotechnology Center, Silesian University of Technology, 44-100 Gliwice, Poland
| | - Seyedeh Sara Sajjadi
- School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran 1971653313, Iran
| | - Andrzej Hudecki
- Łukasiewicz Network-Institute of Non-Ferrous Metals, 44-121 Gliwice, Poland
| | - Samad Sajjadi
- School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran 1971653313, Iran
| | | | - Tayyebeh Madrakian
- Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6516738695, Iran
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
| | - Mazaher Ahmadi
- Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6516738695, Iran
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
| | - Małgorzata K. Włodarczyk-Biegun
- Biotechnology Center, Silesian University of Technology, 44-100 Gliwice, Poland
- Polymer Science, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Saeid Ghavami
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, MB R3E 0V9, Canada
- Research Institutes of Oncology and Hematology, Cancer Care Manitoba-University of Manitoba, Winnipeg, MB R3E 0V9, Canada
- Biology of Breathing Theme, Children Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, MB R3E 0V9, Canada
- Faculty of Medicine in Zabrze, University of Technology in Katowice, 41-800 Zabrze, Poland
| | - Wirginia Likus
- Department of Anatomy, Faculty of Health Sciences in Katowice, Medical University of Silesia, 40-752 Katowice, Poland
| | - Krzysztof Siemianowicz
- Department of Biochemistry, Faculty of Medicine in Katowice, Medical University of Silesia, 40-752 Katowice, Poland
- Correspondence: (K.S.); (M.J.Ł.); Tel.: +48-32-237-2913 (M.J.Ł.)
| | - Marek J. Łos
- Biotechnology Center, Silesian University of Technology, 44-100 Gliwice, Poland
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Correspondence: (K.S.); (M.J.Ł.); Tel.: +48-32-237-2913 (M.J.Ł.)
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Recent trends in bioartificial muscle engineering and their applications in cultured meat, biorobotic systems and biohybrid implants. Commun Biol 2022; 5:737. [PMID: 35869250 PMCID: PMC9307618 DOI: 10.1038/s42003-022-03593-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 06/16/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractRecent advances in tissue engineering and biofabrication technology have yielded a plethora of biological tissues. Among these, engineering of bioartificial muscle stands out for its exceptional versatility and its wide range of applications. From the food industry to the technology sector and medicine, the development of this tissue has the potential to affect many different industries at once. However, to date, the biofabrication of cultured meat, biorobotic systems, and bioartificial muscle implants are still considered in isolation by individual peer groups. To establish common ground and share advances, this review outlines application-specific requirements for muscle tissue generation and provides a comprehensive overview of commonly used biofabrication strategies and current application trends. By solving the individual challenges and merging various expertise, synergetic leaps of innovation that inspire each other can be expected in all three industries in the future.
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Electrospun nanofibers containing chitosan-stabilized bovine serum albumin nanoparticles for bone regeneration. Colloids Surf B Biointerfaces 2022; 217:112680. [PMID: 35803032 DOI: 10.1016/j.colsurfb.2022.112680] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/26/2022] [Accepted: 06/28/2022] [Indexed: 11/20/2022]
Abstract
Bone tissue engineering is becoming a key approach in bone repair and regeneration. In the present study, we fabricated a nanofiber scaffold containing chitosan-stabilized bovine serum albumin (BSA) nanoparticles for the delivery of abaloparatide and aspirin (ASA). The chitosan-stabilized BSA nanoparticles acted as a release barrier for the encapsulated abaloparatide. Polymeric nanofibers were produced by electrospinning from a mixture of abaloparatide-loaded nanoparticles, ASA, poly(ε-caprolactone) (PCL), and nanohydroxyapatite (n-HA). The nanoparticle and nanofiber scaffolds were characterized in terms of their morphology, construction, surface hydrophilicity, degradation, and drug release efficiency. In vitro osteogenesis as well as in vitro cell adhesion, viability, and proliferation were determined to assess their osteoinductive activity. The results showed that the drugs were successfully encapsulated in the scaffolds. Most of the ASA was released within seven days, whereas abaloparatide was released for more than 30 days. The dual-drug-loaded nanofiber scaffolds enhanced the proliferation and osteogenic differentiation of osteoblasts. These findings indicate that electrospun nanofibers containing chitosan-stabilized BSA nanoparticles may be useful in bone tissue engineering.
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7
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Zhao Y, Song S, Ren X, Zhang J, Lin Q, Zhao Y. Supramolecular Adhesive Hydrogels for Tissue Engineering Applications. Chem Rev 2022; 122:5604-5640. [PMID: 35023737 DOI: 10.1021/acs.chemrev.1c00815] [Citation(s) in RCA: 145] [Impact Index Per Article: 72.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tissue engineering is a promising and revolutionary strategy to treat patients who suffer the loss or failure of an organ or tissue, with the aim to restore the dysfunctional tissues and enhance life expectancy. Supramolecular adhesive hydrogels are emerging as appealing materials for tissue engineering applications owing to their favorable attributes such as tailorable structure, inherent flexibility, excellent biocompatibility, near-physiological environment, dynamic mechanical strength, and particularly attractive self-adhesiveness. In this review, the key design principles and various supramolecular strategies to construct adhesive hydrogels are comprehensively summarized. Thereafter, the recent research progress regarding their tissue engineering applications, including primarily dermal tissue repair, muscle tissue repair, bone tissue repair, neural tissue repair, vascular tissue repair, oral tissue repair, corneal tissue repair, cardiac tissue repair, fetal membrane repair, hepatic tissue repair, and gastric tissue repair, is systematically highlighted. Finally, the scientific challenges and the remaining opportunities are underlined to show a full picture of the supramolecular adhesive hydrogels. This review is expected to offer comparative views and critical insights to inspire more advanced studies on supramolecular adhesive hydrogels and pave the way for different fields even beyond tissue engineering applications.
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Affiliation(s)
- Yue Zhao
- Joint Research Center for Molecular Science, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China.,College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371.,State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Shanliang Song
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Xiangzhong Ren
- Joint Research Center for Molecular Science, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Junmin Zhang
- Joint Research Center for Molecular Science, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Quan Lin
- State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Yanli Zhao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
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8
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Torris A, Nair S, K P RM, Sengupta P, Badiger M. Mechanical and microstructural studies in a polysaccharide-acrylate double network hydrogel. J Mech Behav Biomed Mater 2021; 124:104839. [PMID: 34547607 DOI: 10.1016/j.jmbbm.2021.104839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 09/07/2021] [Accepted: 09/12/2021] [Indexed: 10/20/2022]
Abstract
Polymeric hydrogels continue to find a wide range of applications. However, a major drawback of hydrogels is the lack of mechanical strength. In this regard, "Double Network Hydrogels" (DN) have shown great promise recently. The toughness in DN hydrogels originates from the synergistic effect of two polymeric networks. In this work, we have synthesized a DN hydrogel consisting of a tightly cross linked carboxymethylcellulose (CMC) as the first network and loosely cross linked poly(hydroxyethylacrylate) (PHEA) as a second network (CMC-PHEA-DN). The required flexibility in the second network (PHEA) was induced by the presence of a small amount of stearyl methacrylate (SM) as a co-monomer in hydroxyl ethyl acrylate (HEA). The compressive strength of the CMC-PEHA-DN hydrogel was found to be 280 times more than that of CMC-SN hydrogel, and the presence of SM in DN hydrogels showed better recovery after deformation. Cell viability studies showed the biocompatibility of DN hydrogels. The micro-structural analysis of DN xerogels by 3D X-ray Microtomography indicated the presence of oriented pores in size range of 30-40 μm. To the best of our knowledge, Microtomography was used for the first time to study the DN gels. These hydrogels can be used to develop implants that can withstand prolonged stress and expand the life span of implants.
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Affiliation(s)
- Arun Torris
- Polymer Science and Engineering Division, CSIR - National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411 008, India
| | - Sanoop Nair
- Polymer Science and Engineering Division, CSIR - National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411 008, India
| | - Raji Mol K P
- Polymer Science and Engineering Division, CSIR - National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411 008, India
| | - Poulomi Sengupta
- Physical and Materials Chemistry Division, CSIR - National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411 008, India
| | - Manohar Badiger
- Polymer Science and Engineering Division, CSIR - National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411 008, India.
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9
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Nakhaee FM, Rajabi M, Bakhsheshi-Rad HR. In-vitroassessment of β-tricalcium phosphate/bredigite-ciprofloxacin (CPFX) scaffolds for bone treatment applications. Biomed Mater 2021; 16. [PMID: 34038876 DOI: 10.1088/1748-605x/ac0590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 05/26/2021] [Indexed: 11/11/2022]
Abstract
In the present study, β-tricalcium phosphate (β-TCP) scaffolds with various amounts of bredigite (Bre) were fabricated by the space holder method. The effect of bredigite content on the structure, mechanical properties,in vitrobioactivity, and cell viability was investigated. The structural assessment of the composite scaffolds presented interconnected pores with diameter of 300-500 μm with around 78%-82% porosity. The results indicated that the compressive strength of the scaffolds with 20% bredigite (1.91 MPa) was improved in comparison with scaffolds with 10% bredigite (0.52 MPa), due to the reduction of the average pore and grain sizes. Also, the results showed that the bioactivity and biodegradability of β-TCP/20Bre were better than that of β-TCP/10Bre. Besides, in this study, the release kinetics of ciprofloxacin (CPFX) loaded β-TCP/Bre composites as well as the ability of scaffolds to function as a sustained release drug carrier was investigated. Drug release pattern of β-TCP/bredigite-5CPFX scaffolds exhibited the rapid burst release of 43% for 3 h along with sustained release (82%) for 32 h which is favorable for bone infection treatment. Antibacterial tests revealed that the antibacterial properties of β-TCP/bredigite scaffolds are strongly related to the CPFX concentration, wherein the scaffold containing 5% CPFX showed the most significant zone of inhibition (33 ± 0.5 mm) againstStaphylococcus aureus. The higher specific surface areas of nanostructure β-TCP/bredigite scaffolds containing CPFX lead to an initial rapid release followed by constant drug delivery. MTT assay showed that the cell viability of β-TCP/bredigite scaffold loading with up to 1%-3% CPFX (95 ± 2%), is greater than for scaffolds containing 5% CPFX (84 ± 2%). In Overall, it may suggested that β-TCP/bredigite containing 1%-3% CPFX possesses great cell viability and antibacterial activity and be employed as bactericidal biomaterials and bone infection treatment.
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Affiliation(s)
- Foroogh Mofid Nakhaee
- Department of materials Engineering, Faculty of Materials and Industries Engineering, Noshirvani University of Technology, Babol, Iran
| | - Mohammad Rajabi
- Department of materials Engineering, Faculty of Materials and Industries Engineering, Noshirvani University of Technology, Babol 47148-71167, Iran
| | - Hamid Reza Bakhsheshi-Rad
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
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Duangpakdee A, Laomeephol C, Jindatip D, Thongnuek P, Ratanavaraporn J, Damrongsakkul S. Crosslinked Silk Fibroin/Gelatin/Hyaluronan Blends as Scaffolds for Cell-Based Tissue Engineering. Molecules 2021; 26:molecules26113191. [PMID: 34073542 PMCID: PMC8198693 DOI: 10.3390/molecules26113191] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/16/2022] Open
Abstract
3D porous scaffolds fabricated from binary and ternary blends of silk fibroin (SF), gelatin (G), and hyaluronan (HA) and crosslinked by the carbodiimide coupling reaction were developed. Water-stable scaffolds can be obtained after crosslinking, and the SFG and SFGHA samples were stable in cell culture medium up to 10 days. The presence of HA in the scaffolds with appropriate crosslinking conditions greatly enhanced the swellability. The microarchitecture of the freeze-dried scaffolds showed high porosity and interconnectivity. In particular, the pore size was significantly larger with an addition of HA. Biological activities of NIH/3T3 fibroblasts seeded on SFG and SFGHA scaffolds revealed that both scaffolds were able to support cell adhesion and proliferation of a 7-day culture. Furthermore, cell penetration into the scaffolds can be observed due to the interconnected porous structure of the scaffolds and the presence of bioactive materials which could attract the cells and support cell functions. The higher cell number was noticed in the SFGHA samples, possibly due to the HA component and the larger pore size which could improve the microenvironment for fibroblast adhesion, proliferation, and motility. The developed scaffolds from ternary blends showed potential in their application as 3D cell culture substrates in fibroblast-based tissue engineering.
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Affiliation(s)
- Anongnart Duangpakdee
- Biomaterial Engineering for Medical and Health Research Unit, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand; (A.D.); (C.L.); (P.T.); (J.R.)
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chavee Laomeephol
- Biomaterial Engineering for Medical and Health Research Unit, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand; (A.D.); (C.L.); (P.T.); (J.R.)
| | - Depicha Jindatip
- Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Peerapat Thongnuek
- Biomaterial Engineering for Medical and Health Research Unit, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand; (A.D.); (C.L.); (P.T.); (J.R.)
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Juthamas Ratanavaraporn
- Biomaterial Engineering for Medical and Health Research Unit, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand; (A.D.); (C.L.); (P.T.); (J.R.)
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Siriporn Damrongsakkul
- Biomaterial Engineering for Medical and Health Research Unit, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand; (A.D.); (C.L.); (P.T.); (J.R.)
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: ; Tel.: +662-218-6862; Fax: +662-218-6877
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11
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Reviewing the potential use of scaffold-mediated localized chemotherapy in oncology. FORUM OF CLINICAL ONCOLOGY 2021. [DOI: 10.2478/fco-2019-0022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Post-surgical recurrence and metastasis remain to be the major concern in oncology. The absence of any therapeutic modality during the interim period between the surgical intervention and initiation of conventional radiotherapy and chemotherapy allows the residual cancer cells to proliferate, culminating in recurrence and/or metastasis. Introducing a therapeutic modality during this interim period could suppress the proliferation of the residual tumor cells. Further, as the detrimental effects of conventional chemotherapy and radiotherapy drastically reduce the patient’s quality of life, use of therapeutic modality with localized effect can reduce the risk of systemic toxicity. Thus, the present manuscript reviews the potential use of scaffold-mediated local chemotherapy in oncology. Its localized effect would prevent systemic toxicity, while the scaffold serves as an ideal vehicle for the sustained targeted delivery of therapeutic agents.
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Wu Y, Zhang X, Zhao Q, Tan B, Chen X, Liao J. Role of Hydrogels in Bone Tissue Engineering: How Properties Shape Regeneration. J Biomed Nanotechnol 2020; 16:1667-1686. [PMID: 33485397 DOI: 10.1166/jbn.2020.2997] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Bone defect that resulted from trauma, tumors, and other reasons is believed as a common clinical problem, which exists mainly in post-traumatic healing. Additionally, autologous/allogeneic transplantation, bone tissue engineering attracts increasing attention due to the existing problem of the limited donor. The applications of biomaterials can be considered as a rising and promising strategy for bone regeneration. Especially, hydrogel is featured with hydrophilic characteristic, good biocompatibility, and porous structure, which shows unique properties for bone regeneration. The main properties of hydrogel such as surface property, adhesive property, mechanical property, porosity, and degradation property, generally present influences on the migration, proliferation, and differentiation of mesenchymal stem cells exclusively or in combination, which consequently affect the regeneration of bones. This review mainly focuses on the theme: "how properties of hydrogel shape bone regeneration." Moreover, the latest progress achieved in the above mentioned direction is further discussed. Despite the fascinating advances researchers have made, certain potential challenges continue to exist in the research field, which need to be addressed for accelerating the clinical translation of hydrogel in bone regeneration.
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Tee HT, Zipp R, Koynov K, Tremel W, Wurm FR. Poly(methyl ethylene phosphate) hydrogels: Degradable and cell-repellent alternatives to PEG-hydrogels. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110075] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Preparation of PBS/PLLA/HAP Composites by the Solution Casting Method: Mechanical Properties and Biocompatibility. NANOMATERIALS 2020; 10:nano10091778. [PMID: 32911837 PMCID: PMC7559309 DOI: 10.3390/nano10091778] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/21/2022]
Abstract
The use of biodegradable polymeric scaffolds for tissue regeneration is becoming a common practice in the clinic. Therefore, an inclined trend is developing with regards to improving the mechanical properties of these scaffolds. Here, we aim to improve the mechanical properties of poly (butylene succinate) (PBS)/poly (l-lactic acid) (PLLA) blends by incorporating hydroxyapatite nanoparticles (HAP) in the blends to form composites. PBS/PLLA = 100/0, 95/5, 90/10, 85/15, and 0/100 wt% blends, along-with the loadings of a few mg of HAPs, were prepared using the solution casting method. A scanning electron microscope showed the voids and droplets, indicating the immiscibility of blends. Due to this immiscibility, the tensile strength values of the blends were found to be in between that of pure PBS (42.85 MPa) and pure PLLA (31.39 MPa). HAPs act as a compatibilizer by incorporating themselves in the voids and spaces caused by the immiscibility, thus increasing the overall tensile strength of the resulting composite to a certain extent, e.g., the tensile strength of PBS/PLLA = 95/5 loaded with 50 mg HAPs was found to be 51.16 MPa. The structural analysis employing the X-ray diffraction (XRD) patterns confirmed the formation of polymer blends and composites. The contact angle analysis showed that the addition of HAPs increased the hydrophilicity of the resulting composites. Selective samples were investigated based on mechanical properties to see if the blends and composites are biocompatible. The obtained results showed that all of the samples with better mechanical properties demonstrated good biocompatibility. This indicates the effectiveness of scaffolds for tissue regeneration.
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15
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Unagolla JM, Jayasuriya AC. Hydrogel-based 3D bioprinting: A comprehensive review on cell-laden hydrogels, bioink formulations, and future perspectives. APPLIED MATERIALS TODAY 2020; 18:100479. [PMID: 32775607 PMCID: PMC7414424 DOI: 10.1016/j.apmt.2019.100479] [Citation(s) in RCA: 183] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Hydrogel plays a vital role in cell-laden three dimensional (3D) bioprinting, whereas those hydrogels mimic the physical and biochemical characteristics of native extracellular matrix (ECM). The complex microenvironment of the ECM does not replicate from the traditional static microenvironment of the hydrogel, but the evolution of the 3D bioprinting facilitates to accommodate the dynamic modulation and spatial heterogeneity of the hydrogel system. Selection of hydrogel for 3D bioprinting depends on the printing techniques including microextrusion, inkjet, laser-assisted printing, and stereolithography. In this review, we specifically cover the 3D printable hydrogels where cells can be encapsulated without significant reduction in the cell viability. The recent research highlights of the most widely used hydrogel materials are elucidated in terms of stability of the hydrogel system, cross-linking method, support cell types and their post-printing cell viability. Also, the techniques used to improve the mechanical and biological properties of the hydrogels, such as adding various organic and inorganic materials and making microchannels, are discussed. Furthermore, the recent advances in vascularized tissue construct and scaffold-free bioprinting as a promising method for vascularization are covered in this review. The recent trends in four-dimensional (4D) bioprinting as a stimuli-responsive formation of new organs, and 3D bioprinting based organ-on-chip systems are also discussed.
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Affiliation(s)
- Janitha M. Unagolla
- Biomedical Engineering Program, Department of Bioengineering, College of Engineering, University of Toledo, Toledo, OH 43607, USA
| | - Ambalangodage C. Jayasuriya
- Biomedical Engineering Program, Department of Bioengineering, College of Engineering, University of Toledo, Toledo, OH 43607, USA
- Department of Orthopedic Surgery, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43614, USA
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16
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Lin W, Lan W, Wu Y, Zhao D, Wang Y, He X, Li J, Li Z, Luo F, Tan H, Fu Q. Aligned 3D porous polyurethane scaffolds for biological anisotropic tissue regeneration. Regen Biomater 2020; 7:19-27. [PMID: 32440358 PMCID: PMC7233617 DOI: 10.1093/rb/rbz031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/18/2019] [Accepted: 08/26/2019] [Indexed: 02/05/2023] Open
Abstract
A green fabrication process (organic solvent-free) of artificial scaffolds is required in tissue engineering field. In this work, a series of aligned three-dimensional (3D) scaffolds are made from biodegradable waterborne polyurethane (PU) emulsion via directional freeze-drying method to ensure no organic byproducts. After optimizing the concentration of polymer in the emulsion and investigating different freezing temperatures, an aligned PUs scaffold (PU14) generated from 14 wt% polymer content and processed at -196°C was selected based on the desired oriented porous structure (pore size of 32.5 ± 9.3 μm, porosity of 92%) and balanced mechanical properties both in the horizontal direction (strength of 41.3 kPa, modulus of 72.3 kPa) and in the vertical direction (strength of 45.5 kPa, modulus of 139.3 kPa). The response of L929 cells and the regeneration of muscle tissue demonstrated that such pure material-based aligned 3D scaffold can facilitate the development of orientated cells and anisotropic tissue regeneration both in vitro and in vivo. Thus, these pure material-based scaffolds with ordered architecture have great potentials in tissue engineering for biological anisotropic tissue regeneration, such as muscle, nerve, spinal cord and so on.
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Affiliation(s)
- Weiwei Lin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Wanling Lan
- Sichuan Institute for Food and Drug Control, Chengdu 611731, China
| | - Yingke Wu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Daiguo Zhao
- Sichuan Institute for Food and Drug Control, Chengdu 611731, China
| | - Yanchao Wang
- Department of Neurosurgery West China Hospital, Sichuan University, Chengdu 610065, China
| | - Xueling He
- Laboratory Animal Center of Sichuan University, Chengdu 610041, China
| | - Jiehua Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zhen Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Feng Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Hong Tan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Qiang Fu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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17
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Cassani S, Olson SD. A Hybrid Model of Cartilage Regeneration Capturing the Interactions Between Cellular Dynamics and Porosity. Bull Math Biol 2020; 82:18. [PMID: 31970523 DOI: 10.1007/s11538-020-00695-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 12/27/2019] [Indexed: 12/31/2022]
Abstract
To accelerate the development of strategies for cartilage tissue engineering, models are necessary to investigate the interactions between cellular dynamics and the local microenvironment. We use a discrete framework to capture the individual behavior of cells, modeling experiments where cells are seeded in a porous scaffold or hydrogel and over the time course of a month, the scaffold slowly degrades while cells divide and synthesize extracellular matrix constituents. The movement of cells and the ability to proliferate is a function of the local porosity, defined as the volume fraction of fluid in the surrounding region. A phenomenological approach is used to capture a continuous profile for the degrading scaffold and accumulating matrix, which will then change the local porosity throughout the construct. We parameterize the model by first matching total cell counts in the construct to chondrocytes seeded in a polyglycolic acid scaffold (Freed et al. in Biotechnol Bioeng 43:597-604, 1994). We investigate the influence of initial scaffold porosity on the total cell count and spatial profiles of cell and ECM in the construct. Cell counts were higher at day 30 in scaffolds of lower initial porosity, and similar cell counts were obtained using different models of scaffold degradation and matrix accumulation (either uniform or cell-specific). Using this modeling framework, we study the interplay between a phenomenological representation of scaffold architecture and porosity as well as the potential continuous application of growth factors. We determine parameter regimes where large cellular aggregates occur, which can hinder matrix accumulation and cellular proliferation. The developed modeling framework can easily be extended and can be used to identify optimal scaffolds and culture conditions that lead to a desired distribution of extracellular matrix and cell counts throughout the construct.
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Affiliation(s)
- Simone Cassani
- Department of Mathematics, University at Buffalo, The State University of New York, 244 Mathematics Building, Buffalo, NY, 14260, USA
| | - Sarah D Olson
- Department of Mathematical Sciences, Worcester Polytechnic Institute, 100 Institute Rd, Worcester, MA, 01609, USA.
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18
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Nettleton K, Luong D, Kleinfehn AP, Savariau L, Premanandan C, Becker ML. Molecular Mass-Dependent Resorption and Bone Regeneration of 3D Printed PPF Scaffolds in a Critical-Sized Rat Cranial Defect Model. Adv Healthc Mater 2019; 8:e1900646. [PMID: 31328402 DOI: 10.1002/adhm.201900646] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/10/2019] [Indexed: 11/11/2022]
Abstract
The emergence of additive manufacturing has afforded the ability to fabricate intricate, high resolution, and patient-specific polymeric implants. However, the availability of biocompatible resins with tunable resorption profiles remains a significant hurdle to clinical translation. In this study, 3D scaffolds are fabricated via stereolithographic cDLP printing of poly(propylene fumarate) (PPF) and assessed for bone regeneration in a rat critical-sized cranial defect model. Scaffolds are printed with two different molecular mass resin formulations (1000 and 1900 Da) with narrow molecular mass distributions and implanted to determine if these polymer characteristics influence scaffold resorption and bone regeneration in vivo. X-ray microcomputed tomography (µ-CT) data reveal that at 4 weeks the lower molecular mass polymer degrades faster than the higher molecular mass PPF and thus more new bone is able to infiltrate the defect. However, at 12 weeks, the regenerated bone volume of the 1900 Da formulation is nearly equivalent to the lower molecular mass 1000 Da formulation. Significantly, lamellar bone bridges the defect at 12 weeks with both PPF formulations and there is no indication of an acute inflammatory response.
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Affiliation(s)
- Karissa Nettleton
- Department of Polymer ScienceThe University of Akron Akron OH 44325 USA
| | - Derek Luong
- Department of Polymer ScienceThe University of Akron Akron OH 44325 USA
| | - Alex P. Kleinfehn
- Department of Polymer ScienceThe University of Akron Akron OH 44325 USA
| | - Laura Savariau
- Department of Polymer ScienceThe University of Akron Akron OH 44325 USA
| | - Christopher Premanandan
- Department of Veterinary BiosciencesCollege of Veterinary MedicineThe Ohio State University Columbus OH 43210 USA
| | - Matthew L. Becker
- Department of Polymer ScienceThe University of Akron Akron OH 44325 USA
- Departments of ChemistryMechanical Engineering and Material ScienceOrthopaedic SurgeryDuke University Durham NC 27708 USA
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19
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de Moraes R, de Guzzi Plepis AM, da Conceição Amaro Martins V, Duarte MAH, Alcalde MP, Buchaim RL, Pomini KT, Machado EG, de Azevedo e Sousa Munhoz M, Cunha FB, Calegari ARA, Iatecola A, Silva SK, da Cunha MR. Suitability of the use of an elastin matrix combined with bone morphogenetic protein for the repair of cranial defects. Am J Transl Res 2019; 11:5261-5271. [PMID: 31497239 PMCID: PMC6731398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 07/17/2019] [Indexed: 06/10/2023]
Abstract
The use of biomaterials in medical and dental areas has become increasingly important due to the need to restore areas with bone loss or defects. This study analyzed the use of a new elastin polymer matrix combined with Bone Morphogenetic Protein for the repair of cranial defects in rats. Thirty rats were divided into five groups: control (C) defect without graft, E24 (defect filled with elastin matrix submitted to alkaline hydrolysis at 50°C for 24 h), E24/BMP (defect filled with elastin matrix treated at 50°C for 24 h plus BMP), E96 (defect filled with elastin matrix treated at 37°C for 96 h) and E96/BMP (defect filled with elastin matrix treated at 37°C for 96 h plus BMP). The animals were killed after 6 weeks. In the histological and microtomographic analysis, all groups showed bone growth from the defect margins remaining in this region without a marked inflammatory process, but in the E96/BMP group the lamellae were thicker and the collagen fibers more organized. Histometrically, the same group presented higher percentage of new formation (43.25 ± 3.72) in relation to the other groups. It was concluded that the support and delivery system formed by the elastin matrix associated with BMPs had a positive effect on the bone repair process.
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Affiliation(s)
- Renato de Moraes
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
- Interunit Postgraduate Program in Bioengineering (EESC/FMRP/IQSC), University São Paulo, USPSão Carlos 3566-590, SP, Brazil
| | | | | | - Marco Antonio Hungaro Duarte
- Department of Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of São PauloBauru 17012901, SP, Brazil
| | - Murilo Priori Alcalde
- Department of Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of São PauloBauru 17012901, SP, Brazil
| | - Rogerio Leone Buchaim
- Department of Biological Sciences, Bauru School of Dentistry, University of São PauloBauru 17012901, SP, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marilia (UNIMAR)Marília 17525-902, SP, Brazil
| | - Karina Torres Pomini
- Department of Biological Sciences, Bauru School of Dentistry, University of São PauloBauru 17012901, SP, Brazil
| | - Eduardo Gomes Machado
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
- Interunit Postgraduate Program in Bioengineering (EESC/FMRP/IQSC), University São Paulo, USPSão Carlos 3566-590, SP, Brazil
| | - Marcelo de Azevedo e Sousa Munhoz
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
- Interunit Postgraduate Program in Bioengineering (EESC/FMRP/IQSC), University São Paulo, USPSão Carlos 3566-590, SP, Brazil
| | - Fernando Bento Cunha
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
- Interunit Postgraduate Program in Bioengineering (EESC/FMRP/IQSC), University São Paulo, USPSão Carlos 3566-590, SP, Brazil
| | | | - Amilton Iatecola
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
- Laboratory of Anatomy, University Center Our Lady of Patronage, CEUNSP, University of South CruiseItu 13300-200, SP, Brazil
| | - Samantha Ketelyn Silva
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
| | - Marcelo Rodrigues da Cunha
- Department of Morphology and Pathology, Medical College of JundiaiSão Paulo, Jundiaí 13202-550, SP, Brazil
- Interunit Postgraduate Program in Bioengineering (EESC/FMRP/IQSC), University São Paulo, USPSão Carlos 3566-590, SP, Brazil
- Laboratory of Anatomy, University Center Our Lady of Patronage, CEUNSP, University of South CruiseItu 13300-200, SP, Brazil
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20
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Sanguinet EDO, Siqueira NM, Menezes FDC, Rasia GM, Lothhammer N, Soares RMD, Meirelles FV, Bressan FF, Bos-Mikich A. Interaction of fibroblasts and induced pluripotent stem cells with poly(vinyl alcohol)-based hydrogel substrates. J Biomed Mater Res B Appl Biomater 2019; 108:857-867. [PMID: 31251451 DOI: 10.1002/jbm.b.34439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 05/17/2019] [Accepted: 06/13/2019] [Indexed: 11/07/2022]
Abstract
Induced pluripotent stem cells (iPSCs) provide a promising means of creating custom-tailored cell lines for cellular therapies. Their application in regenerative medicine, however, depends on the possibility that the maintenance and differentiation of cells and organs occur under defined conditions. One major component of stem cell culture systems is the substrate, where the cells must attach and proliferate. The present study aimed to investigate the putative cytotoxic effects of poly(vinyl alcohol) (PVA)-based matrices on the in vitro culture of mouse fetal fibroblasts. In addition, the PVA-based hydrogels were used to determine the capacity of bovine induced pluripotent stem cells (biPSCs) to adhere and proliferate on synthetic substrates. Our results show that both cell types interacted with the substrate and presented proliferation during culture. The biPSCs formed new colonies when cell suspensions were placed onto the hydrogel surface for culture. These results may represent a new characterized xeno-free clinical grade culture system to be widely applied in cell-based therapies.
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Affiliation(s)
- Eduardo de O Sanguinet
- Department of Morphological Sciences, ICBS, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Nataly M Siqueira
- Institute of Chemistry, Department of Organic Chemistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Felipe de C Menezes
- Institute of Chemistry, Department of Organic Chemistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Gisele M Rasia
- Post-Graduate Program of Materials Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Nívia Lothhammer
- Department of Morphological Sciences, ICBS, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Rosane M D Soares
- Institute of Chemistry, Department of Organic Chemistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Flávio V Meirelles
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (FZEA/USP), Pirassununga, São Paulo, Brazil
| | - Fabiana F Bressan
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo (FZEA/USP), Pirassununga, São Paulo, Brazil
| | - Adriana Bos-Mikich
- Department of Morphological Sciences, ICBS, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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21
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Yang H, Li J, Hu Y, Sun J, Guo W, Li H, Chen J, Huo F, Tian W, Li S. Treated dentin matrix particles combined with dental follicle cell sheet stimulate periodontal regeneration. Dent Mater 2019; 35:1238-1253. [PMID: 31201017 DOI: 10.1016/j.dental.2019.05.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/14/2019] [Accepted: 05/16/2019] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Periodontal tissue engineering is an attractive approach for restoring periodontal-supporting structures and functions. However, complete periodontal regeneration has not been accomplished. Previous studies demonstrated the feasibility of using cell sheets and treated dentin matrix (TDM) to regenerate bio-roots. METHODS In this study, we regenerated periodontal tissue using cell sheets combined with TDM particles (TDMPs). Human dental follicle cells (hDFCs) were isolated and characterized. Human dental follicle cells sheets (hDFCSs) and human TDMPs (hTDMP) were fabricated and characterized. The osteogenic effect of hTDMP was evaluated on human bone marrow stromal cells (hBMSCs) in vitro and a rat calvarial bone defect in vivo. Real-time PCR, western blotting, radiograph analysis, and histological analysis were performed to evaluate the periodontal induction capacity of hTDMP. One-wall periodontal intrabony defects were prepared to evaluate the periodontal regeneration capacity of TDMP/DFCSs on beagle dogs. RESULTS The results showed that hDFCs were mesenchymal stem cells. hTDMP promoted the proliferation and osteogenic differentiation of hBMSCs. New bone formation was observed in the rat calvarial bone defect zone in both the hTDMP and hydroxyapatite/β-tricalcium phosphate groups. Periodontal-like tissues showed better regeneration in the canine TDMP+DFCS group than in the other groups. SIGNIFICANCE These results demonstrate the potential of using TDMP/DFCSs in periodontal regeneration.
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Affiliation(s)
- Hefeng Yang
- Department of Dental Research, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, Yunnan 650500, PR China; National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China
| | - Jie Li
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, College of Stomatology, Chongqing Medical University, Chongqing 401147, PR China
| | - Yu Hu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, Yunnan 650031, PR China
| | - Jingjing Sun
- National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Weihua Guo
- National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Hui Li
- National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Jinglong Chen
- National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Fangjun Huo
- National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China
| | - Weidong Tian
- National Engineering Laboratory for Oral Regenerative Medicine, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China.
| | - Song Li
- Department of Dental Research, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, Yunnan 650500, PR China.
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22
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Baron RI, Culica ME, Biliuta G, Bercea M, Gherman S, Zavastin D, Ochiuz L, Avadanei M, Coseri S. Physical Hydrogels of Oxidized Polysaccharides and Poly(Vinyl Alcohol) for Wound Dressing Applications. MATERIALS 2019; 12:ma12091569. [PMID: 31086081 PMCID: PMC6539012 DOI: 10.3390/ma12091569] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 01/04/2023]
Abstract
Two natural polymers, i.e., cellulose and water soluble pullulan, have been selectively oxidized employing the TEMPO-mediated protocol, to allow the introduction of C6-OOH groups. Thereafter, the composite hydrogels of poly(vinyl alcohol) (PVA) and different content of the oxidized polysaccharides were prepared by the freezing/thawing method. The Fourier transform infrared spectroscopy (FTIR) has been used to discuss the degree of interaction between the hydrogels constituents into the physical network. The homogeneity of the prepared hydrogels as revealed by the SEM show an excellent distribution of the oxidized polysaccharides inside the PVA matrix. The samples exhibit self-healing features, since they quickly recover the initial structure after being subjected to a large deformation. The cell viability was performed for the selected hydrogels, all of them showing promising results. The samples are able to load L-arginine both by physical phenomena, such as diffusion, and also by chemical phenomena, when imine-type bonds are likely to be formed. The synergism between the two constituents, PVA and oxidized polysaccharides, into the physical network, propose these hydrogels for many other biomedical applications.
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Affiliation(s)
- Raluca Ioana Baron
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Madalina Elena Culica
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Gabriela Biliuta
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Maria Bercea
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Simona Gherman
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, 16th University Str., 700115 Iasi, Romania.
| | - Daniela Zavastin
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, 16th University Str., 700115 Iasi, Romania.
| | - Lacramioara Ochiuz
- Faculty of Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy Iasi, 16th University Str., 700115 Iasi, Romania.
| | - Mihaela Avadanei
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
| | - Sergiu Coseri
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41 A, Grigore Ghica Voda Alley, 700487 Iasi, Romania.
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Hoffman T, Khademhosseini A, Langer R. Chasing the Paradigm: Clinical Translation of 25 Years of Tissue Engineering. Tissue Eng Part A 2019; 25:679-687. [PMID: 30727841 PMCID: PMC6533781 DOI: 10.1089/ten.tea.2019.0032] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 02/04/2019] [Indexed: 12/31/2022] Open
Abstract
IMPACT STATEMENT In this Perspective, we discuss the impact of the past 25 years of tissue engineering on the development of clinical therapies. Based on their success and other significant research accomplishments, platforms of innovation were identified. Their discoveries will enable tissue engineering inspired therapies to meet the requirements necessary for large-scale manufacturing and Food and Drug Administration (FDA) approval for a diverse range of indications.
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Affiliation(s)
- Tyler Hoffman
- Department of Bioengineering, University of California, Los Angeles, California
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, California
- California NanoSystems Institute (CNSI), University of California, Los Angeles, California
| | - Ali Khademhosseini
- Department of Bioengineering, University of California, Los Angeles, California
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, California
- California NanoSystems Institute (CNSI), University of California, Los Angeles, California
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, California
- Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, California
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California
| | - Robert Langer
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, Massachusetts
- Institute of Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, Massachusetts
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24
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A computational reaction–diffusion model for biosynthesis and linking of cartilage extracellular matrix in cell-seeded scaffolds with varying porosity. Biomech Model Mechanobiol 2019; 18:701-716. [DOI: 10.1007/s10237-018-01110-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/17/2018] [Indexed: 10/27/2022]
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25
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Sharifzadeh G, Hosseinkhani H. Biomolecule-Responsive Hydrogels in Medicine. Adv Healthc Mater 2017; 6. [PMID: 29057617 DOI: 10.1002/adhm.201700801] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/17/2017] [Indexed: 12/19/2022]
Abstract
Recent advances and applications of biomolecule-responsive hydrogels, namely, glucose-responsive hydrogels, protein-responsive hydrogels, and nucleic-acid-responsive hydrogels are highlighted. However, achieving the ultimate purpose of using biomolecule-responsive hydrogels in preclinical and clinical areas is still at the very early stage and calls for more novel designing concepts and advance ideas. On the way toward the real/clinical application of biomolecule-responsive hydrogels, plenty of factors should be extensively studied and examined under both in vitro and in vivo conditions. For example, biocompatibility, biointegration, and toxicity of biomolecule-responsive hydrogels should be carefully evaluated. From the living body's point of view, biocompatibility is seriously depended on the interactions at the tissue/polymer interface. These interactions are influenced by physical nature, chemical structure, surface properties, and degradation of the materials. In addition, the developments of advanced hydrogels with tunable biological and mechanical properties which cause no/low side effects are of great importance.
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Affiliation(s)
- Ghorbanali Sharifzadeh
- Department of Polymer Engineering; Faculty of Chemical Engineering; Universiti Teknologi Malaysia; 81310 Johor Malaysia
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26
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Zhang M, Ma Y, Li R, Zeng J, Li Z, Tang Y, Sun D. RhBMP-2-loaded Poly(lactic-co-glycolic acid) microspheres fabricated by coaxial electrospraying for protein delivery. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 28:2205-2219. [PMID: 28988518 DOI: 10.1080/09205063.2017.1390381] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
In this study, we fabricated recombinant human bone morphogenetic protein-2 (rhBMP-2) loaded Poly(lactic-co-glycolic acid) (PLGA) microspheres with core-shell structures and particle sizes ranging from 2.5 to 8 μm by coaxial electrospraying. The manufacturing process of core-shell microspheres by coaxial electrospraying is simpler than that with other methods, and a smaller diameter can be obtained. The microspheres were analyzed by environmental scanning electron microscopy, transmission electron microscopy (TEM), and laser scanning confocal microscopy (LSCM). Moreover, the drug release profiles and degradation of rhBMP-2-loaded PLGA microspheres in vitro were investigated for 21 days and for 7 weeks, respectively. The rhBMP-2 was stabilized by using bovine serum albumin (BSA) to ensure protein activity in the electrospraying process. Fluorescently labeled protein that was loaded into the core-shell PLGA microspheres was verified by LSCM. The distinct layered structure that existed in the manufactured core-shell microspheres can be observed by TEM. Cell Counting Kit-8 (CCK-8) indicated that the core-shell PLGA microspheres loaded with rhBMP-2 have great potential for the treatment of bone defects, for bone regeneration, and in bone tissue engineering.
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Affiliation(s)
- Mei Zhang
- a Alan G. MacDiarmid Laboratory, College of Chemistry , Jilin University , Changchun , China
| | - Yali Ma
- a Alan G. MacDiarmid Laboratory, College of Chemistry , Jilin University , Changchun , China
| | - Rongjun Li
- b Norman Bethune First Hospital , Jilin University , Changchun , China
| | - Jiehui Zeng
- a Alan G. MacDiarmid Laboratory, College of Chemistry , Jilin University , Changchun , China
| | - Ziqi Li
- a Alan G. MacDiarmid Laboratory, College of Chemistry , Jilin University , Changchun , China
| | - Yajun Tang
- a Alan G. MacDiarmid Laboratory, College of Chemistry , Jilin University , Changchun , China
| | - Dahui Sun
- b Norman Bethune First Hospital , Jilin University , Changchun , China
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Wu Y, Lin W, Hao H, Li J, Luo F, Tan H. Nanofibrous scaffold from electrospinning biodegradable waterborne polyurethane/poly(vinyl alcohol) for tissue engineering application. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 28:648-663. [PMID: 28277009 DOI: 10.1080/09205063.2017.1294041] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A series of nanofibrous scaffolds, free of organic solvents, are prepared by electrospinning biodegradable waterborne polyurethane (BWPU) emulsion blending with aqueous poly(vinyl alcohol)(PVA). Tuning the proration of BWPU to PVA, various nanofibers with diameter from 370 to 964 nm are obtained. Strong intermolecular interaction existing between them benefits to the electrospun of BWPU emulsion, which is demonstrated by dynamic thermomechanical analysis and Fourier transform infrared spectroscopy. The nontoxic nanofibrous scaffolds with porous structure, which is similar to the natural extracellular matrix, favor to the attachment and proliferation of the L929 fibroblasts. Thus, the scaffolds are promising to be used as biomaterials for many natural tissues repair.
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Affiliation(s)
- Yingke Wu
- a State Key Laboratory of Polymer Materials Engineering , College of Polymer Science and Engineering, Sichuan University , Chengdu , China
| | - Weiwei Lin
- a State Key Laboratory of Polymer Materials Engineering , College of Polymer Science and Engineering, Sichuan University , Chengdu , China
| | - Hongye Hao
- a State Key Laboratory of Polymer Materials Engineering , College of Polymer Science and Engineering, Sichuan University , Chengdu , China
| | - Jiehua Li
- a State Key Laboratory of Polymer Materials Engineering , College of Polymer Science and Engineering, Sichuan University , Chengdu , China
| | - Feng Luo
- a State Key Laboratory of Polymer Materials Engineering , College of Polymer Science and Engineering, Sichuan University , Chengdu , China
| | - Hong Tan
- a State Key Laboratory of Polymer Materials Engineering , College of Polymer Science and Engineering, Sichuan University , Chengdu , China
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28
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Gentile P, Scioli MG, Bielli A, Orlandi A, Cervelli V. Concise Review: The Use of Adipose-Derived Stromal Vascular Fraction Cells and Platelet Rich Plasma in Regenerative Plastic Surgery. Stem Cells 2016; 35:117-134. [PMID: 27641055 DOI: 10.1002/stem.2498] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 08/30/2016] [Indexed: 12/14/2022]
Abstract
Tissue engineering has emerged at the intersection of numerous disciplines to meet a global clinical need for technologies to promote the regeneration of tissues. Recently, many authors have focused their attention on mesenchymal stem/stromal cells (MSCs) for their capacity to differentiate into many cell lineages. The most widely studied cell types are bone marrow mesenchymal stem cells and adipose-derived stem cells (ASCs), which display similar results. Biomaterials, cells, and growth factors are needed to design a regenerative plastic surgery approach in the treatment of organ and tissue defects, but not all tissues are created equal. The aim of this article is to describe the advances in tissue engineering through the use of ASCs, platelet rich plasma, and biomaterials to enable regeneration of damaged complex tissue. Stem Cells 2017;35:117-134.
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Affiliation(s)
- Pietro Gentile
- Plastic and Reconstructive Surgery, University of Rome "Tor Vergata", Rome, Italy.,Plastic and Reconstructive Surgery, Catholic University "Our Lady of Good Counsel", Tirane, Albania
| | | | - Alessandra Bielli
- Anatomic Pathology Institute, University of Rome "Tor Vergata", Rome, Italy
| | - Augusto Orlandi
- Anatomic Pathology Institute, University of Rome "Tor Vergata", Rome, Italy
| | - Valerio Cervelli
- Plastic and Reconstructive Surgery, University of Rome "Tor Vergata", Rome, Italy
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29
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Odabas S. Collagen–carboxymethyl cellulose–tricalcium phosphate multi-lamellar cryogels for tissue engineering applications: Production and characterization. J BIOACT COMPAT POL 2016. [DOI: 10.1177/0883911515627472] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Collagen–carboxymethyl cellulose–tricalcium phosphate cryogels were prepared for diverse biomedical applications. Further chemical and structural characterizations were performed by Fourier transform infrared spectra, thermogravimetric analysis, X-ray crystallography, and scanning electron microscopy. The mechanical properties were tested by unconfined compression test. Moreover, hemocompatibility of the cryogels was also evaluated by basic biochemical blood testing. Chemical and structural analysis results demonstrate the achievement of the cross-linking without any major alteration in collagen and carboxymethyl cellulose with a thermally and structurally stable blend formation. Scanning electron micrographs demonstrate the multi-lamellar formation with macro- and micro-pore compositions which can correlate with water uptake results of the cryogels. Hemocompatibility evaluations exhibited that the cryogels are non-toxic and blood-compatible. The overall results including mechanical testing of these tricalcium phosphate–consisting collagen/carboxymethyl cellulose cryogels may have potential use as a material for hard tissue regeneration.
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Affiliation(s)
- Sedat Odabas
- Faculty of Science, Department of Chemistry, Ankara University, Ankara, Turkey
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30
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Tao Z, Peng K, Fan Y, Liu Y, Yang H. Multi-stimuli responsive supramolecular hydrogels based on Fe3+ and diblock copolymer micelle complexation. Polym Chem 2016. [DOI: 10.1039/c5py01742d] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a multi-stimuli responsive supramolecular hydrogel with great potential for biomedical application, which was composed of the micelle-forming diblock copolymer and physically cross-linked by complexation between ferric ions and carboxylic acid groups, exhibiting gel–sol transition caused by UV irradiation, multidentate ligands (EDTA) and redox agents (Na2S2O4).
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Affiliation(s)
- Zhen Tao
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Kang Peng
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Yujiao Fan
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Yunfei Liu
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Haiyang Yang
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
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31
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Sridhar. BV, Dailing EA, Brock JL, Stansbury JW, Randolph MA, Anseth KS. A Biosynthetic Scaffold that Facilitates Chondrocyte-Mediated Degradation and Promotes Articular Cartilage Extracellular Matrix Deposition. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2015; 1:11-21. [PMID: 26900597 PMCID: PMC4758520 DOI: 10.1007/s40883-015-0002-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Articular cartilage remains a significant clinical challenge to repair because of its limited self-healing capacity. Interest has grown in the delivery of autologous chondrocytes to cartilage defects, and combining cell-based therapies with scaffolds that capture aspects of native tissue and allow cell-mediated remodeling could improve outcomes. Currently, scaffold-based therapies with encapsulated chondrocytes permit matrix production; however, resorption of the scaffold often does not match the rate of matrix production by chondrocytes, which can limit functional tissue regeneration. Here, we designed a hybrid biosynthetic system consisting of poly (ethylene glycol) (PEG) endcapped with thiols and crosslinked by norbornene-functionalized gelatin via a thiol-ene photopolymerization. The protein crosslinker was selected to facilitate chondrocyte-mediated scaffold remodeling and matrix deposition. Gelatin was functionalized with norbornene to varying degrees (~4-17 norbornenes/gelatin), and the shear modulus of the resulting hydrogels was characterized (<0.1-0.5 kPa). Degradation of the crosslinked PEG-gelatin hydrogels by chondrocyte-secreted enzymes was confirmed by gel permeation chromatography. Finally, chondrocytes encapsulated in these biosynthetic scaffolds showed significantly increased glycosaminoglycan deposition over just 14 days of culture, while maintaining high levels of viability and producing a distributed matrix. These results indicate the potential of a hybrid PEG-gelatin hydrogel to permit chondrocyte-mediated remodeling and promote articular cartilage matrix production. Tunable scaffolds that can easily permit chondrocyte-mediated remodeling may be useful in designing treatment options for cartilage tissue engineering applications.
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Affiliation(s)
- Balaji V. Sridhar.
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado
- BioFrontiers Institute, University of Colorado, Boulder, Colorado
| | - Eric A. Dailing
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado
| | - J. Logan Brock
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado
- BioFrontiers Institute, University of Colorado, Boulder, Colorado
| | - Jeffrey W. Stansbury
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado
- Department of Craniofacial Biology, School of Dental Medicine, University of Colorado, Aurora, Colorado
| | - Mark A. Randolph
- Department of Orthopedic Surgery, Laboratory for Musculoskeletal Tissue Engineering, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
- Plastic Surgery Research Laboratory, Division of Plastic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Kristi S. Anseth
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado
- BioFrontiers Institute, University of Colorado, Boulder, Colorado
- Howard Hughes Medical Institute, University of Colorado, Boulder, Colorado
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32
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Kim SE, Yun YP, Shim KS, Park K, Choi SW, Shin DH, Suh DH. Fabrication of a BMP-2-immobilized porous microsphere modified by heparin for bone tissue engineering. Colloids Surf B Biointerfaces 2015; 134:453-60. [DOI: 10.1016/j.colsurfb.2015.05.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2014] [Revised: 04/11/2015] [Accepted: 05/05/2015] [Indexed: 12/15/2022]
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33
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Mashinchian O, Turner LA, Dalby MJ, Laurent S, Shokrgozar MA, Bonakdar S, Imani M, Mahmoudi M. Regulation of stem cell fate by nanomaterial substrates. Nanomedicine (Lond) 2015; 10:829-47. [DOI: 10.2217/nnm.14.225] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Stem cells are increasingly studied because of their potential to underpin a range of novel therapies, including regenerative strategies, cell type-specific therapy and tissue repair, among others. Bionanomaterials can mimic the stem cell environment and modulate stem cell differentiation and proliferation. New advances in these fields are presented in this review. This work highlights the importance of topography and elasticity of the nano-/micro-environment, or niche, for the initiation and induction of stem cell differentiation and proliferation.
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Affiliation(s)
- Omid Mashinchian
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine (SATiM), Tehran University of Medical Sciences, PO Box 14177–55469, Tehran, Iran
| | - Lesley-Anne Turner
- Centre for Cell Engineering, Joseph Black Building, Institute of Biomedical & Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
| | - Matthew J Dalby
- Centre for Cell Engineering, Joseph Black Building, Institute of Biomedical & Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK
| | - Sophie Laurent
- Department of General, Organic & Biomedical Chemistry, NMR & Molecular Imaging Laboratory, University of Mons, Avenue Maistriau 19, B-7000 Mons, Belgium
- CMMI – Center for Microscopy & Molecular Imaging, Rue Adrienne Bolland, 8, B-6041 Gosselies, Belgium
| | | | - Shahin Bonakdar
- National Cell Bank, Pasteur Institute of Iran, PO Box 13169–43551, Tehran, Iran
| | - Mohammad Imani
- Novel Drug Delivery Systems Department, Iran Polymer & Petrochemical Institute (IPPI), PO Box 14965/115, Tehran, Iran
| | - Morteza Mahmoudi
- Department of Nanotechnology & Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, PO Box 14155–6451, Tehran, Iran
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305–5101, USA
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305–5101, USA
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34
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Magalhães J, Lebourg M, Deplaine H, Gómez Ribelles JL, Blanco FJ. Effect of the Physicochemical Properties of Pure or Chitosan-Coated Poly(L-Lactic Acid)Scaffolds on the Chondrogenic Differentiation of Mesenchymal Stem Cells from Osteoarthritic Patients. Tissue Eng Part A 2015; 21:716-28. [DOI: 10.1089/ten.tea.2014.0133] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Joana Magalhães
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
- Grupo de Bioingeniería Tisular y Terapia Celular (GBTTC-CHUAC), Servicio de Reumatología. Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), A Coruña, Spain
| | - Myriam Lebourg
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
- Centro de Biomateriales e Ingeniería Tisular, Universidad Politécnica de Valencia. Valencia, Spain
| | - Harmony Deplaine
- Centro de Biomateriales e Ingeniería Tisular, Universidad Politécnica de Valencia. Valencia, Spain
| | - José Luis Gómez Ribelles
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
- Centro de Biomateriales e Ingeniería Tisular, Universidad Politécnica de Valencia. Valencia, Spain
| | - Francisco J. Blanco
- Grupo de Bioingeniería Tisular y Terapia Celular (GBTTC-CHUAC), Servicio de Reumatología. Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), A Coruña, Spain
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35
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Solano-Umaña V, Vega-Baudrit JR. Micro, Meso and Macro Porous Materials on Medicine. ACTA ACUST UNITED AC 2015. [DOI: 10.4236/jbnb.2015.64023] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Hirt C, Papadimitropoulos A, Mele V, Muraro MG, Mengus C, Iezzi G, Terracciano L, Martin I, Spagnoli GC. "In vitro" 3D models of tumor-immune system interaction. Adv Drug Deliv Rev 2014; 79-80:145-54. [PMID: 24819215 DOI: 10.1016/j.addr.2014.05.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 04/22/2014] [Accepted: 05/01/2014] [Indexed: 02/07/2023]
Abstract
Interaction between cancer cells and immune system critically affects development, progression and treatment of human malignancies. Experimental animal models and conventional "in vitro" studies have provided a wealth of information on this interaction, currently used to develop immune-mediated therapies. Studies utilizing three-dimensional culture technologies have emphasized that tumor architecture dramatically influences cancer cell-immune system interaction by steering cytokine production and regulating differentiation patterns of myeloid cells, and decreasing the sensitivity of tumor cells to lymphocyte effector functions. Hypoxia and increased production of lactic acid by tumor cells cultured in 3D architectures appear to be mechanistically involved. 3D culture systems could be further developed to (i) include additional cell partners potentially influencing cancer cell-immune system interaction, (ii) enable improved control of hypoxia, and (iii) allow the use of freshly derived clinical cancer specimens. Such advanced models will represent new tools for cancer immunobiology studies and for pre-clinical assessment of innovative treatments.
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37
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Li C, Liu IKK, Tsao CY, Chan V. Neuronal differentiation of human placenta–derived multi-potent stem cells enhanced by cell body oscillation on gelatin hydrogel. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911514553903] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Gelatin is a biocompatible material commonly employed in biomaterial design and tissue engineering. However, there is currently a lack of research into the development of gelatin hydrogels for facilitating specific lineage development of stem cells. In this study, the neuronal differentiation of human placenta–derived multi-potent (stem) cells was systematically optimized through the engineering of the gelatin hydrogel properties. The swelling ratio of Type A or Type B gelatin hydrogel changes during hydrogel formation in the gelatin concentration ranges from 16 to 6 wt%. In general, placenta-derived multi-potent (stem) cells effectively adhere on both, acidic and basic gelatin hydrogels with different swelling ratios as shown by the high attachment ratio of around 80%. Interestingly, adhered placenta-derived multi-potent (stem) cells had significant cell body oscillations on either 6 or 10 wt% gelatin hydrogels during the first 3 h of cell seeding. For placenta-derived multi-potent (stem) cells pre-cultured on 6 and 10 wt% gelatin hydrogel for either 2 or 12 h and subjected to 3-isobutyl-1-methylxanthine to induce neuronal differentiation, the periodic contraction and extension of placenta-derived multi-potent (stem) cells pre-cultured for 2 h successfully directed the cells into neuron-like lineages. In contrast, the lack of cell body oscillation restrained the placenta-derived multi-potent (stem) cells pre-cultured for 12 h from differentiating into neuronal cells on the same gelatin hydrogels in response to 3-isobutyl-1-methylxanthine stimulation. Overall, the possibility of engineering the properties of gelatin hydrogel to trigger stem cell development into a neuronal lineage through cell body oscillations was clearly demonstrated.
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Affiliation(s)
- Chuan Li
- Department of Biomedical Engineering, National Yang-Ming University, Taipei, Taiwan
- Department of Mechanical Engineering, National Central University, Jhongli, Taiwan
| | - Isaac K-K Liu
- School of Engineering, The University of Warwick, Coventry, UK
| | - CY Tsao
- Department of Mechanical Engineering, National Central University, Jhongli, Taiwan
| | - Vincent Chan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
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38
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Gantar A, da Silva LP, Oliveira JM, Marques AP, Correlo VM, Novak S, Reis RL. Nanoparticulate bioactive-glass-reinforced gellan-gum hydrogels for bone-tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 43:27-36. [DOI: 10.1016/j.msec.2014.06.045] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 05/22/2014] [Accepted: 06/30/2014] [Indexed: 01/12/2023]
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39
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Bi X, You Z, Gao J, Fan X, Wang Y. A functional polyester carrying free hydroxyl groups promotes the mineralization of osteoblast and human mesenchymal stem cell extracellular matrix. Acta Biomater 2014; 10:2814-23. [PMID: 24560799 DOI: 10.1016/j.actbio.2014.02.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 01/14/2014] [Accepted: 02/10/2014] [Indexed: 12/13/2022]
Abstract
Functional groups can control biointerfaces and provide a simple way to make therapeutic materials. We recently reported the design and synthesis of poly(sebacoyl diglyceride) (PSeD) carrying a free hydroxyl group in its repeating unit. This paper examines the use of this polymer to promote biomineralization for application in bone tissue engineering. PSeD promoted more mineralization of extracellular matrix secreted by human mesenchymal stem cells and rat osteoblasts than poly(lactic-co-glycolic acid) (PLGA), which is currently widely used in bone tissue engineering. PSeD showed in vitro osteocompatibility and in vivo biocompatibility that matched or surpassed that of PLGA, as well as supported the attachment, proliferation and differentiation of rat osteoblasts and human mesenchymal stem cells. This demonstrates the potential of PSeD for use in bone regeneration.
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Affiliation(s)
- Xiaoping Bi
- Department of Ophthalmology, Shanghai Ninth Peoples' Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Rd, Shanghai 200011, People's Republic of China; Departments of Bioengineering, Chemical Engineering, Surgery, and the McGowan Institute, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15261, USA
| | - Zhengwei You
- Departments of Bioengineering, Chemical Engineering, Surgery, and the McGowan Institute, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15261, USA; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, People's Republic of China
| | - Jin Gao
- Departments of Bioengineering, Chemical Engineering, Surgery, and the McGowan Institute, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15261, USA
| | - Xianqun Fan
- Department of Ophthalmology, Shanghai Ninth Peoples' Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Rd, Shanghai 200011, People's Republic of China.
| | - Yadong Wang
- Departments of Bioengineering, Chemical Engineering, Surgery, and the McGowan Institute, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15261, USA.
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40
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Babczyk P, Conzendorf C, Klose J, Schulze M, Harre K, Tobiasch E. Stem Cells on Biomaterials for Synthetic Grafts to Promote Vascular Healing. J Clin Med 2014; 3:39-87. [PMID: 26237251 PMCID: PMC4449663 DOI: 10.3390/jcm3010039] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2013] [Revised: 10/28/2013] [Accepted: 11/16/2013] [Indexed: 12/25/2022] Open
Abstract
This review is divided into two interconnected parts, namely a biological and a chemical one. The focus of the first part is on the biological background for constructing tissue-engineered vascular grafts to promote vascular healing. Various cell types, such as embryonic, mesenchymal and induced pluripotent stem cells, progenitor cells and endothelial- and smooth muscle cells will be discussed with respect to their specific markers. The in vitro and in vivo models and their potential to treat vascular diseases are also introduced. The chemical part focuses on strategies using either artificial or natural polymers for scaffold fabrication, including decellularized cardiovascular tissue. An overview will be given on scaffold fabrication including conventional methods and nanotechnologies. Special attention is given to 3D network formation via different chemical and physical cross-linking methods. In particular, electron beam treatment is introduced as a method to combine 3D network formation and surface modification. The review includes recently published scientific data and patents which have been registered within the last decade.
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Affiliation(s)
- Patrick Babczyk
- Department of Natural Science, Bonn-Rhein-Sieg University of Applied Science, Von-Liebig-Street 20, Rheinbach 53359, Germany.
| | - Clelia Conzendorf
- Faculty of Mechanical Engineering/Process Engineering, University of Applied Science Dresden, Friedrich-List-Platz 1, Dresden 01069, Germany.
| | - Jens Klose
- Faculty of Mechanical Engineering/Process Engineering, University of Applied Science Dresden, Friedrich-List-Platz 1, Dresden 01069, Germany.
| | - Margit Schulze
- Department of Natural Science, Bonn-Rhein-Sieg University of Applied Science, Von-Liebig-Street 20, Rheinbach 53359, Germany.
| | - Kathrin Harre
- Faculty of Mechanical Engineering/Process Engineering, University of Applied Science Dresden, Friedrich-List-Platz 1, Dresden 01069, Germany.
| | - Edda Tobiasch
- Department of Natural Science, Bonn-Rhein-Sieg University of Applied Science, Von-Liebig-Street 20, Rheinbach 53359, Germany.
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Mũnoz Z, Shih H, Lin CC. Gelatin hydrogels formed by orthogonal thiol–norbornene photochemistry for cell encapsulation. Biomater Sci 2014; 2:1063-1072. [DOI: 10.1039/c4bm00070f] [Citation(s) in RCA: 154] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Gelatin-norbornene was synthesized for preparing cytocompatible and tunable covalent gelatin hydrogels via an orthogonal step-growth thiol–ene photoclick reaction.
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Affiliation(s)
- Zachary Mũnoz
- Department of Biomedical Engineering
- Purdue School of Engineering & Technology
- Indiana University-Purdue University Indianapolis
- Indianapolis, USA
| | - Han Shih
- Department of Biomedical Engineering
- Purdue School of Engineering & Technology
- Indiana University-Purdue University Indianapolis
- Indianapolis, USA
- Weldon School of Biomedical Engineering
| | - Chien-Chi Lin
- Department of Biomedical Engineering
- Purdue School of Engineering & Technology
- Indiana University-Purdue University Indianapolis
- Indianapolis, USA
- Weldon School of Biomedical Engineering
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Diban N, Haimi SP, Bolhuis-Versteeg L, Teixeira S, Miettinen S, Poot AA, Grijpma DW, Stamatialis D. Effect of Surface Morphology of Poly(ϵ-caprolactone) Scaffolds on Adipose Stem Cell Adhesion and Proliferation. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/masy.201300106] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Nazely Diban
- Department of Chemical Engineering; University of Cantabria; Spain
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
| | - Suvi P. Haimi
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
- Adult Stem Cells/Institute of Biomedical Technology; University of Tampere; Finland
| | - Lydia Bolhuis-Versteeg
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
| | - Sandra Teixeira
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
| | - Susanna Miettinen
- Adult Stem Cells/Institute of Biomedical Technology; University of Tampere; Finland
| | - André A. Poot
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
| | - Dirk W. Grijpma
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
- Department of Biomedical Engineering; University Medical Center Groningen and University of Groningen; The Netherlands
| | - Dimitrios Stamatialis
- Biomaterials Science and Technology/MIRA Institute; University of Twente; The Netherlands
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Rossi F, Santoro M, Perale G. Polymeric scaffolds as stem cell carriers in bone repair. J Tissue Eng Regen Med 2013; 9:1093-119. [DOI: 10.1002/term.1827] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 07/29/2013] [Accepted: 08/30/2013] [Indexed: 12/16/2022]
Affiliation(s)
- Filippo Rossi
- Department of Chemistry, Materials and Chemical Engineering; 'Giulio Natta' Politecnico di Milano; Milan Italy
| | - Marco Santoro
- Department of Chemical and Biomolecular Engineering; Rice University; Houston TX USA
| | - Giuseppe Perale
- Department of Chemistry, Materials and Chemical Engineering; 'Giulio Natta' Politecnico di Milano; Milan Italy
- Department of Innovative Technologies; University of Southern Switzerland; Manno Switzerland
- Swiss Institute for Regenerative Medicine; Taverne Switzerland
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Omes C, Fassina L, Van Vlierberghe S, Magenes G, Dubruel P, Vaghi P, Reguzzoni M, Riva F. A case of successful interaction between cells derived from human ovarian follicular liquid and gelatin cryogel for biotech and medical applications. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2013; 2013:6240-3. [PMID: 24111166 DOI: 10.1109/embc.2013.6610979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Significant research efforts have been undertaken in the last decade to develop specific cell-based therapies and, in particular, adult multipotent mesenchymal stem cells (MSCs) hold great promise toward such regenerative strategies. Bio-materials have been widely used in reconstructive bone surgery to heal critical-size bone defects due to trauma, tumor resection, and tissue degeneration. In particular, gelatin cryogel scaffolds are promising new biomaterials owing to their biocompatibility. There is an increasing demand for MSC-based regenerative approaches in the musculoskeletal system. Combining stem cells with biomaterial scaffolds provides a promising strategy for tissue engineering. Our previous studies showed the possibility to obtain MSCs from the human ovarian follicular liquid (FL) that is usually wasted during in vitro fertilization (IVF). In this study, we tested the ability of these FL cells to grow on gelatin cryogel in comparison with MSCs derived from human bone marrow. Samples and controls were analyzed with confocal and scanning electron microscopes. Results demonstrated that FL cells could grow on the biomaterial not only on the top but also in the layers below till 60 µm of deepness. Data suggested that the observed cells were mesenchymal since positive for vimentin and CD-44, typical MSC markers. Successful growth of putative MSCs derived from follicular liquid on 3D gelatin cryogel opens potential developments in biotech and medical applications.
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Kharkar PM, Kiick KL, Kloxin AM. Designing degradable hydrogels for orthogonal control of cell microenvironments. Chem Soc Rev 2013; 42:7335-72. [PMID: 23609001 PMCID: PMC3762890 DOI: 10.1039/c3cs60040h] [Citation(s) in RCA: 470] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Indexed: 12/12/2022]
Abstract
Degradable and cell-compatible hydrogels can be designed to mimic the physical and biochemical characteristics of native extracellular matrices and provide tunability of degradation rates and related properties under physiological conditions. Hence, such hydrogels are finding widespread application in many bioengineering fields, including controlled bioactive molecule delivery, cell encapsulation for controlled three-dimensional culture, and tissue engineering. Cellular processes, such as adhesion, proliferation, spreading, migration, and differentiation, can be controlled within degradable, cell-compatible hydrogels with temporal tuning of biochemical or biophysical cues, such as growth factor presentation or hydrogel stiffness. However, thoughtful selection of hydrogel base materials, formation chemistries, and degradable moieties is necessary to achieve the appropriate level of property control and desired cellular response. In this review, hydrogel design considerations and materials for hydrogel preparation, ranging from natural polymers to synthetic polymers, are overviewed. Recent advances in chemical and physical methods to crosslink hydrogels are highlighted, as well as recent developments in controlling hydrogel degradation rates and modes of degradation. Special attention is given to spatial or temporal presentation of various biochemical and biophysical cues to modulate cell response in static (i.e., non-degradable) or dynamic (i.e., degradable) microenvironments. This review provides insight into the design of new cell-compatible, degradable hydrogels to understand and modulate cellular processes for various biomedical applications.
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Affiliation(s)
- Prathamesh M. Kharkar
- Department of Materials Science and Engineering , University of Delaware , Newark , DE 19716 , USA . ;
| | - Kristi L. Kiick
- Department of Materials Science and Engineering , University of Delaware , Newark , DE 19716 , USA . ;
- Biomedical Engineering , University of Delaware , Newark , DE 19716 , USA
- Delaware Biotechnology Institute , University of Delaware , Newark , DE 19716 , USA
| | - April M. Kloxin
- Department of Materials Science and Engineering , University of Delaware , Newark , DE 19716 , USA . ;
- Department of Chemical and Biomolecular Engineering , University of Delaware , Newark , DE 19716 , USA
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Chanchareonsook N, Junker R, Jongpaiboonkit L, Jansen JA. Tissue-engineered mandibular bone reconstruction for continuity defects: a systematic approach to the literature. TISSUE ENGINEERING PART B-REVIEWS 2013; 20:147-62. [PMID: 23865639 DOI: 10.1089/ten.teb.2013.0131] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Despite significant surgical advances over the last decades, segmental mandibular bone repair remains a challenge. In light of this, tissue engineering might offer a next step in the evolution of mandibular reconstruction. PURPOSE The purpose of the present report was to (1) systematically review preclinical in vivo as well as clinical literature regarding bone tissue engineering for mandibular continuity defects, and (2) to analyze their effectiveness. MATERIALS AND METHODS An electronic search in the databases of the National Library of Medicine and ISI Web of Knowledge was carried out. Only publications in English were considered, and the search was broadened to animals and humans. Furthermore, the reference lists of related review articles and publications selected for inclusion in this review were systematically screened. Results of histology data and amount of bone bridging were chosen as primary outcome variables. However, for human reports, clinical radiographic evidence was accepted for defined primary outcome variable. The biomechanical properties, scaffold degradation, and clinical wound healing were selected as co-outcome variables. RESULTS The electronic search in the databases of the National Library of Medicine and ISI Web of Knowledge resulted in the identification of 6727 and 5017 titles, respectively. Thereafter, title assessment and hand search resulted in 128 abstracts, 101 full-text articles, and 29 scientific papers reporting on animal experiments as well as 11 papers presenting human data on the subject of tissue-engineered reconstruction of mandibular continuity defects that could be included in the present review. CONCLUSIONS It was concluded that (1) published preclinical in vivo as well as clinical data are limited, and (2) tissue-engineered approaches demonstrate some clinical potential as an alternative to autogenous bone grafting.
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Affiliation(s)
- Nattharee Chanchareonsook
- 1 Department of Oral and Maxillofacial Surgery, National Dental Centre Singapore , Singapore, Singapore
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Abstract
A highly osteogenic hybrid bioabsorbable scaffold was developed for bone reconstruction/augmentation. Through the use of a solid free-form fabrication technology, a bioabsorbable polycaprolactone (PCL) cage scaffold with a desired size and shape was produced and then filled with osteogenic bone graft particles, that is, morselized autologous bone chips. A rabbit total lamina defect model was chosen to demonstrate its efficacy in regenerating bone with a complicated anatomic shape. Both iliac bone and morselized iliac bone grafts were used in this study for comparison purposes. Serum osteocalcin and collagen type I cross-linked C-terminal telopeptide (CTx) determination showed that active bone remodeling occurred after bone grafts were implanted. X-ray images showed that the bony defects were completely filled with bone mass in all the groups with bone grafts. However, biomechanical tests showed that only the iliac bone and hybrid scaffold groups could restore the mechanical properties to the normal level after 10 weeks of implantation. A histology study showed that both iliac and hybrid scaffold groups had extensive new bone formation, and no adhesion and fibrosis were found. These results indicated that this osteogenic hybrid scaffold can be a good alternative to autologous iliac bone, because it does not need a second iliac bone-harvesting surgery, and thus the morbidity and the possible infections that are often associated with the bone harvesting surgery can be avoided.
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Affiliation(s)
- Ling-Jiang Li
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University of China , Shanghai, China
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Enhanced mechanical properties and degradability of poly(butylene succinate) and poly(lactic acid) blends. IRANIAN POLYMER JOURNAL 2013. [DOI: 10.1007/s13726-013-0124-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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49
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Tanase CE, Sartoris A, Popa MI, Verestiuc L, Unger RE, Kirkpatrick CJ. In vitro
evaluation of biomimetic chitosan–calcium phosphate scaffolds with potential application in bone tissue engineering. Biomed Mater 2013; 8:025002. [DOI: 10.1088/1748-6041/8/2/025002] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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50
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Tandon N, Cimetta E, Bhumiratana S, Godier-Furnemont A, Maidhof R, Vunjak-Novakovic G. Bioreactors for Tissue Engineering. Biomater Sci 2013. [DOI: 10.1016/b978-0-08-087780-8.00112-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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