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Puertas-Bartolomé M, Venegas-Bustos D, Acosta S, Rodríguez-Cabello JC. Contribution of the ELRs to the development of advanced in vitro models. Front Bioeng Biotechnol 2024; 12:1363865. [PMID: 38650751 PMCID: PMC11033926 DOI: 10.3389/fbioe.2024.1363865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 03/18/2024] [Indexed: 04/25/2024] Open
Abstract
Developing in vitro models that accurately mimic the microenvironment of biological structures or processes holds substantial promise for gaining insights into specific biological functions. In the field of tissue engineering and regenerative medicine, in vitro models able to capture the precise structural, topographical, and functional complexity of living tissues, prove to be valuable tools for comprehending disease mechanisms, assessing drug responses, and serving as alternatives or complements to animal testing. The choice of the right biomaterial and fabrication technique for the development of these in vitro models plays an important role in their functionality. In this sense, elastin-like recombinamers (ELRs) have emerged as an important tool for the fabrication of in vitro models overcoming the challenges encountered in natural and synthetic materials due to their intrinsic properties, such as phase transition behavior, tunable biological properties, viscoelasticity, and easy processability. In this review article, we will delve into the use of ELRs for molecular models of intrinsically disordered proteins (IDPs), as well as for the development of in vitro 3D models for regenerative medicine. The easy processability of the ELRs and their rational design has allowed their use for the development of spheroids and organoids, or bioinks for 3D bioprinting. Thus, incorporating ELRs into the toolkit of biomaterials used for the fabrication of in vitro models, represents a transformative step forward in improving the accuracy, efficiency, and functionality of these models, and opening up a wide range of possibilities in combination with advanced biofabrication techniques that remains to be explored.
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Affiliation(s)
- María Puertas-Bartolomé
- Technical Proteins Nanobiotechnology, S.L. (TPNBT), Valladolid, Spain
- Bioforge Lab (Group for Advanced Materials and Nanobiotechnology), CIBER's Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Edificio LUCIA, Universidad de Valladolid, Valladolid, Spain
| | - Desiré Venegas-Bustos
- Bioforge Lab (Group for Advanced Materials and Nanobiotechnology), CIBER's Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Edificio LUCIA, Universidad de Valladolid, Valladolid, Spain
| | - Sergio Acosta
- Bioforge Lab (Group for Advanced Materials and Nanobiotechnology), CIBER's Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Edificio LUCIA, Universidad de Valladolid, Valladolid, Spain
| | - José Carlos Rodríguez-Cabello
- Bioforge Lab (Group for Advanced Materials and Nanobiotechnology), CIBER's Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Edificio LUCIA, Universidad de Valladolid, Valladolid, Spain
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Lee KZ, Jeon J, Jiang B, Subramani SV, Li J, Zhang F. Protein-Based Hydrogels and Their Biomedical Applications. Molecules 2023; 28:4988. [PMID: 37446650 DOI: 10.3390/molecules28134988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/16/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
Hydrogels made from proteins are attractive materials for diverse medical applications, as they are biocompatible, biodegradable, and amenable to chemical and biological modifications. Recent advances in protein engineering, synthetic biology, and material science have enabled the fine-tuning of protein sequences, hydrogel structures, and hydrogel mechanical properties, allowing for a broad range of biomedical applications using protein hydrogels. This article reviews recent progresses on protein hydrogels with special focus on those made of microbially produced proteins. We discuss different hydrogel formation strategies and their associated hydrogel properties. We also review various biomedical applications, categorized by the origin of protein sequences. Lastly, current challenges and future opportunities in engineering protein-based hydrogels are discussed. We hope this review will inspire new ideas in material innovation, leading to advanced protein hydrogels with desirable properties for a wide range of biomedical applications.
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Affiliation(s)
- Kok Zhi Lee
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
| | - Juya Jeon
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
| | - Bojing Jiang
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
| | - Shri Venkatesh Subramani
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
| | - Jingyao Li
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
| | - Fuzhong Zhang
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
- Institute of Materials Science and Engineering, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
- Division of Biological & Biomedical Sciences, Washington University in St. Louis, One Brookings Drive, Saint Louis, MI 63130, USA
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3
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Gamboa J, Paulo-Mirasol S, Estrany F, Torras J. Recent Progress in Biomedical Sensors Based on Conducting Polymer Hydrogels. ACS APPLIED BIO MATERIALS 2023; 6:1720-1741. [PMID: 37115912 DOI: 10.1021/acsabm.3c00139] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Biosensors are increasingly taking a more active role in health science. The current needs for the constant monitoring of biomedical signals, as well as the growing spending on public health, make it necessary to search for materials with a combination of properties such as biocompatibility, electroactivity, resorption, and high selectivity to certain bioanalytes. Conducting polymer hydrogels seem to be a very promising materials, since they present many of the necessary properties to be used as biosensors. Furthermore, their properties can be shaped and enhanced by designing conductive polymer hydrogel-based composites with more specific functionalities depending on the end application. This work will review the recent state of the art of different biological hydrogels for biosensor applications, discuss the properties of the different components alone and in combination, and reveal their high potential as candidate materials in the fabrication of all-organic diagnostic, wearable, and implantable sensor devices.
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Affiliation(s)
- Jillian Gamboa
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Sofia Paulo-Mirasol
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Francesc Estrany
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
| | - Juan Torras
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/Eduard Maristany, 10-14, Ed. I.2, Barcelona 08019, Spain
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Goel R, Gulwani D, Upadhyay P, Sarangthem V, Singh TD. Unsung versatility of elastin-like polypeptide inspired spheroid fabrication: A review. Int J Biol Macromol 2023; 234:123664. [PMID: 36791934 DOI: 10.1016/j.ijbiomac.2023.123664] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/23/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023]
Abstract
Lately, 3D cell culture technique has gained a lot of appreciation as a research model. Augmented with technological advancements, the area of 3D cell culture is growing rapidly with a diverse array of scaffolds being tested. This is especially the case for spheroid cultures. The culture of cells as spheroids provides opportunities for unanticipated vision into biological phenomena with its application to drug discovery, metabolic profiling, stem cell research as well as tumor, and disease biology. Spheroid fabrication techniques are broadly categorised into matrix-dependent and matrix-independent techniques. While there is a profusion of spheroid fabrication substrates with substantial biological relevance, an economical, modular, and bio-compatible substrate for high throughput production of spheroids is lacking. In this review, we posit the prospects of elastin-like polypeptides (ELPs) as a broad-spectrum spheroid fabrication platform. Elastin-like polypeptides are nature inspired, size-tunable genetically engineered polymers with wide applicability in various arena of biological considerations, has been employed for spheroid culture with profound utility. The technology offers a cheap, high-throughput, reproducible alternative for spheroid culture with exquisite adaptability. Here, we will brief the applicability of 3D cultures as compared to 2D cultures with spheroids being the focal point of the review. Common approaches to spheroid fabrication are discussed with existential limitations. Finally, the versatility of elastin-like polypeptide inspired substrates for spheroid culture has been discussed.
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Affiliation(s)
- Ridhima Goel
- Department of Medical Oncology Laboratory, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Deepak Gulwani
- Department of Medical Oncology Laboratory, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Priyanka Upadhyay
- Department of Medical Oncology Laboratory, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Vijaya Sarangthem
- Department of Pathology, All India Institute of Medical Sciences, New Delhi 110029, India.
| | - Thoudam Debraj Singh
- Department of Medical Oncology Laboratory, All India Institute of Medical Sciences, New Delhi 110029, India.
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5
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Cell-Biomaterial Interactions. Bioengineering (Basel) 2023; 10:bioengineering10020241. [PMID: 36829735 PMCID: PMC9952813 DOI: 10.3390/bioengineering10020241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 01/24/2023] [Indexed: 02/15/2023] Open
Abstract
In animals, the extracellular matrix (ECM) forms a three-dimensional network occupying the intercellular spaces (interstitial matrix) or serving as physical and biochemical support for cells and tissues (basement membrane) [...].
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6
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Nellinger S, Kluger PJ. How Mechanical and Physicochemical Material Characteristics Influence Adipose-Derived Stem Cell Fate. Int J Mol Sci 2023; 24:ijms24043551. [PMID: 36834966 PMCID: PMC9961531 DOI: 10.3390/ijms24043551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/28/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Adipose-derived stem cells (ASCs) are a subpopulation of mesenchymal stem cells. Compared to bone marrow-derived stem cells, they can be harvested with minimal invasiveness. ASCs can be easily expanded and were shown to be able to differentiate into several clinically relevant cell types. Therefore, this cell type represents a promising component in various tissue engineering and medical approaches (e.g., cell therapy). In vivo cells are surrounded by the extracellular matrix (ECM) that provides a wide range of tissue-specific physical and chemical cues, such as stiffness, topography, and chemical composition. Cells can sense the characteristics of their ECM and respond to them in a specific cellular behavior (e.g., proliferation or differentiation). Thus, in vitro biomaterial properties represent an important tool to control ASCs behavior. In this review, we give an overview of the current research in the mechanosensing of ASCs and current studies investigating the impact of material stiffens, topography, and chemical modification on ASC behavior. Additionally, we outline the use of natural ECM as a biomaterial and its interaction with ASCs regarding cellular behavior.
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Affiliation(s)
- Svenja Nellinger
- Reutlingen Research Institute, Reutlingen University, 72762 Reutlingen, Germany
| | - Petra Juliane Kluger
- School of Life Sciences, Reutlingen University, 72762 Reutlingen, Germany
- Correspondence: ; Tel.: +49-07121-271-2061
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Huang NF, Zaitseva TS, Paukshto MV. Biomedical Applications of Collagen. Bioengineering (Basel) 2023; 10:90. [PMID: 36671662 PMCID: PMC9854710 DOI: 10.3390/bioengineering10010090] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
Extracellular matrix proteins (ECMs) provide structural support and dynamic signaling cues that regulate cell behavior and tissue morphogenesis [...].
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Affiliation(s)
- Ngan F. Huang
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305, USA
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
- Center for Tissue Regeneration, Repair and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
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Di Stefano AB, Urrata V, Trapani M, Moschella F, Cordova A, Toia F. Systematic review on spheroids from adipose‐derived stem cells: Spontaneous or artefact state? J Cell Physiol 2022; 237:4397-4411. [PMID: 36209478 PMCID: PMC10091738 DOI: 10.1002/jcp.30892] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/09/2022]
Abstract
Three-dimensional (3D) cell cultures represent the spontaneous state of stem cells with specific gene and protein molecular expression that are more alike the in vivo condition. In vitro two-dimensional (2D) cell adhesion cultures are still commonly employed for various cellular studies such as movement, proliferation and differentiation phenomena; this procedure is standardized and amply used in laboratories, however their representing the original tissue has recently been subject to questioning. Cell cultures in 2D require a support/substrate (flasks, multiwells, etc.) and use of fetal bovine serum as an adjuvant that stimulates adhesion that most likely leads to cellular aging. A 3D environment stimulates cells to grow in suspended aggregates that are defined as "spheroids." In particular, adipose stem cells (ASCs) are traditionally observed in adhesion conditions, but a recent and vast literature offers many strategies that obtain 3D cell spheroids. These cells seem to possess a greater ability in maintaining their stemness and differentiate towards all mesenchymal lineages, as demonstrated in in vitro and in vivo studies compared to adhesion cultures. To date, standardized procedures that form ASC spheroids have not yet been established. This systematic review carries out an in-depth analysis of the 76 articles produced over the past 10 years and discusses the similarities and differences in materials, techniques, and purposes to standardize the methods aimed at obtaining ASC spheroids as already described for 2D cultures.
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Affiliation(s)
- Anna Barbara Di Stefano
- BIOPLAST‐Laboratory of BIOlogy and Regenerative Medicine‐PLASTic Surgery, Plastic and Reconstructive Surgery Unit, Department of Surgical, Oncological and Oral Sciences University of Palermo Palermo Italy
| | - Valentina Urrata
- BIOPLAST‐Laboratory of BIOlogy and Regenerative Medicine‐PLASTic Surgery, Plastic and Reconstructive Surgery Unit, Department of Surgical, Oncological and Oral Sciences University of Palermo Palermo Italy
| | - Marco Trapani
- BIOPLAST‐Laboratory of BIOlogy and Regenerative Medicine‐PLASTic Surgery, Plastic and Reconstructive Surgery Unit, Department of Surgical, Oncological and Oral Sciences University of Palermo Palermo Italy
| | - Francesco Moschella
- BIOPLAST‐Laboratory of BIOlogy and Regenerative Medicine‐PLASTic Surgery, Plastic and Reconstructive Surgery Unit, Department of Surgical, Oncological and Oral Sciences University of Palermo Palermo Italy
| | - Adriana Cordova
- BIOPLAST‐Laboratory of BIOlogy and Regenerative Medicine‐PLASTic Surgery, Plastic and Reconstructive Surgery Unit, Department of Surgical, Oncological and Oral Sciences University of Palermo Palermo Italy
- Department of Surgical, Oncological and Oral Sciences, Unit of Plastic and Reconstructive Surgery University of Palermo Palermo Italy
- Department of D.A.I. Chirurgico, Plastic and Reconstructive Unit Azienda Ospedaliera Universitaria Policlinico “Paolo Giaccone” Palermo Italy
| | - Francesca Toia
- BIOPLAST‐Laboratory of BIOlogy and Regenerative Medicine‐PLASTic Surgery, Plastic and Reconstructive Surgery Unit, Department of Surgical, Oncological and Oral Sciences University of Palermo Palermo Italy
- Department of Surgical, Oncological and Oral Sciences, Unit of Plastic and Reconstructive Surgery University of Palermo Palermo Italy
- Department of D.A.I. Chirurgico, Plastic and Reconstructive Unit Azienda Ospedaliera Universitaria Policlinico “Paolo Giaccone” Palermo Italy
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Machałowski T, Idaszek J, Chlanda A, Heljak M, Piasecki A, Święszkowski W, Jesionowski T. Naturally prefabricated 3D chitinous skeletal scaffold of marine demosponge origin, biomineralized ex vivo as a functional biomaterial. Carbohydr Polym 2022; 275:118750. [PMID: 34742446 DOI: 10.1016/j.carbpol.2021.118750] [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: 04/30/2021] [Revised: 09/15/2021] [Accepted: 10/08/2021] [Indexed: 01/10/2023]
Abstract
Solutions developed by nature for structural and functional optimization of three-dimensional (3D) skeletal structures provide unique windows not only into the evolutionary pathways of organisms, but also into bioinspired materials science and biomimetics. Great examples are naturally formed 3D chitinous scaffolds of marine sponge remain a focus of modern biomedicine and tissue engineering. Due to its properties like renewability, bioactivity, and biodegradability such constructs became very interesting players as components of organic-inorganic biocomposites. Herein, we developed chitin-based biocomposites by biomimetic ex vivo deposition of calcium carbonate particles using hemolymph from the cultivated mollusk Cornu aspersum and chitinous matrix from the marine demosponge Aplysina fistularis. The biological potential of the developed biofunctionalized scaffolds for bone tissue engineering was evaluated by investigating the spreading and viability of a human fetal osteoblast cell line has been determined for the first time. Performed analyses like dynamic mechanical analysis and atomic force microscopy shown that biofunctionalized scaffold possess about 4 times higher mechanical resistance. Moreover, several topographical changes have been observed, as e.g., surface roughness (Rq) increased from 31.75 ± 2.7 nm to 120.7 ± 0.3 nm. The results are indicating its potential for use in the modification of cell delivery systems in future biomedical applications.
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Affiliation(s)
- Tomasz Machałowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Poznan 60-965, Poland
| | - Joanna Idaszek
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw 02-507, Poland
| | - Adrian Chlanda
- Łukasiewicz Research Network - Institute of Microelectronics and Photonics, Department of Chemical Synthesis and Flake Graphene, 02-668 Warsaw, Poland
| | - Marcin Heljak
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw 02-507, Poland
| | - Adam Piasecki
- Institute of Materials Science and Engineering, Faculty of Materials Engineering and Technical Physics, Poznan University of Technology, Poznan 60-965, Poland
| | - Wojciech Święszkowski
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw 02-507, Poland.
| | - Teofil Jesionowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Poznan 60-965, Poland.
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Riziotis IG, Lamprou P, Papachristou E, Mantsou A, Karolidis G, Papi R, Choli-Papadopoulou T. De Novo Synthesis of Elastin-like Polypeptides (ELPs): An Applied Overview on the Current Experimental Techniques. ACS Biomater Sci Eng 2021; 7:5064-5077. [PMID: 34666482 DOI: 10.1021/acsbiomaterials.1c00329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Elastin-like polypeptides (ELPs) are protein-based biopolymers genetically produced from polypeptides composed of a repeating pentapeptide sequence V-P-G-X-G. The inherent properties of recombinant ELPs, such as smart nature, controlled sequence complexity, physicochemical properties, and biocompatibility, make these polymers suitable for use in nanobiotechnological applications, as biofunctionalized scaffolds for tissue-engineering purposes and drug delivery. In this work, we report the design and synthesis of two elastomeric self-assembling polypeptides (ELPs) that mimic the endogenous human tropoelastin. Using molecular biology techniques, two artificial genes that encode two ELP concatemers of approximate molecular mass 60 kDa, one of them carrying biotin-binding peptide motifs, were constructed. These motifs could facilitate biofunctionalization of the ELPs through tethering biotinylated factors, such as growth factors. The ELPs were heterologously overexpressed in E. coli and subsequently purified in two steps: a nonchromatographic technique by organic solvent extraction, followed by nickel-nitrilotriacetic acid (Ni-NTA) affinity chromatography. The characterization of the biochemical properties and biocompatibility of ELPs was also performed in this study. The ELP carrying the biotin-binding motifs was tested for its capability to bind biotin, and indeed, it was observed that it can bind biotinylated proteins specifically. Additionally, results concerning the cytotoxicity of the ELPs exhibited excellent compatibility of the ELPs with mammalian cells in vitro. We anticipate that these ELPs can be used as components of a scaffold that mimics the extracellular matrix (ECM) for the regeneration of endogenously highly elastic tissues.
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Affiliation(s)
- Ioannis G Riziotis
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Paraskevas Lamprou
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Eleni Papachristou
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Aglaia Mantsou
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Georgios Karolidis
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Rigini Papi
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Theodora Choli-Papadopoulou
- Laboratory of Biochemistry, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
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Gibler P, Gimble J, Hamel K, Rogers E, Henderson M, Wu X, Olesky S, Frazier T. Human Adipose-Derived Stromal/Stem Cell Culture and Analysis Methods for Adipose Tissue Modeling In Vitro: A Systematic Review. Cells 2021; 10:1378. [PMID: 34204869 PMCID: PMC8227575 DOI: 10.3390/cells10061378] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 12/11/2022] Open
Abstract
Human adipose-derived stromal/stem cells (hASC) are widely used for in vitro modeling of physiologically relevant human adipose tissue. These models are useful for the development of tissue constructs for soft tissue regeneration and 3-dimensional (3D) microphysiological systems (MPS) for drug discovery. In this systematic review, we report on the current state of hASC culture and assessment methods for adipose tissue engineering using 3D MPS. Our search efforts resulted in the identification of 184 independent records, of which 27 were determined to be most relevant to the goals of the present review. Our results demonstrate a lack of consensus on methods for hASC culture and assessment for the production of physiologically relevant in vitro models of human adipose tissue. Few studies have assessed the impact of different 3D culture conditions on hASC adipogenesis. Additionally, there has been a limited use of assays for characterizing the functionality of adipose tissue in vitro. Results from this study suggest the need for more standardized culture methods and further analysis on in vitro tissue functionality. These will be necessary to validate the utility of 3D MPS as an in vitro model to reduce, refine, and replace in vivo experiments in the drug discovery regulatory process.
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Affiliation(s)
- Peyton Gibler
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
| | - Jeffrey Gimble
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
- Department of Structural and Cell Biology, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Katie Hamel
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
| | - Emma Rogers
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
| | - Michael Henderson
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
| | - Xiying Wu
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
| | - Spencer Olesky
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
| | - Trivia Frazier
- Obatala Sciences Inc., New Orleans, LA 70148, USA; (P.G.); (K.H.); (E.R.); (M.H.); (X.W.); (S.O.); (T.F.)
- Department of Structural and Cell Biology, Tulane University School of Medicine, New Orleans, LA 70112, USA
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12
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Overcoming functional challenges in autologous and engineered fat grafting trends. Trends Biotechnol 2021; 40:77-92. [PMID: 34016480 DOI: 10.1016/j.tibtech.2021.04.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/06/2021] [Accepted: 04/06/2021] [Indexed: 12/11/2022]
Abstract
Autologous fat grafting offers significant promise for the repair of soft tissue deformities; however, high resorption rates indicate that engineered solutions are required to improve adipose tissue (AT) survival. Advances in material development and biofabrication have laid the foundation for the generation of functional AT constructs; however, a balance needs to be struck between clinically feasible delivery and improved structural integrity of the grafts. A new approach combining the objectives from both the clinical and research communities will assist in developing morphologically and genetically mature AT constructs, with controlled spatial arrangement and increased potential for neovascularization. In a rapidly progressing field, this review addresses research in both the preclinical and bioengineering domains and assesses their ability to resolve functional challenges.
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13
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Gurumurthy B, Janorkar AV. Improvements in mechanical properties of collagen-based scaffolds for tissue engineering. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2021. [DOI: 10.1016/j.cobme.2020.100253] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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