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Guo Y, Liu S, Jing D, Liu N, Luo X. The construction of elastin-like polypeptides and their applications in drug delivery system and tissue repair. J Nanobiotechnology 2023; 21:418. [PMID: 37951928 PMCID: PMC10638729 DOI: 10.1186/s12951-023-02184-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 11/02/2023] [Indexed: 11/14/2023] Open
Abstract
Elastin-like polypeptides (ELPs) are thermally responsive biopolymers derived from natural elastin. These peptides have a low critical solution temperature phase behavior and can be used to prepare stimuli-responsive biomaterials. Through genetic engineering, biomaterials prepared from ELPs can have unique and customizable properties. By adjusting the amino acid sequence and length of ELPs, nanostructures, such as micelles and nanofibers, can be formed. Correspondingly, ELPs have been used for improving the stability and prolonging drug-release time. Furthermore, ELPs have widespread use in tissue repair due to their biocompatibility and biodegradability. Here, this review summarizes the basic property composition of ELPs and the methods for modulating their phase transition properties, discusses the application of drug delivery system and tissue repair and clarifies the current challenges and future directions of ELPs in applications.
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Affiliation(s)
- Yingshu Guo
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
| | - Shiwei Liu
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China
| | - Dan Jing
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China
| | - Nianzu Liu
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China
| | - Xiliang Luo
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China.
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Functionalization of 3D-Printed Titanium Scaffolds with Elastin-like Recombinamers to Improve Cell Colonization and Osteoinduction. Pharmaceutics 2023; 15:pharmaceutics15030872. [PMID: 36986732 PMCID: PMC10055514 DOI: 10.3390/pharmaceutics15030872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/10/2023] Open
Abstract
The 3D printing of titanium (Ti) offers countless possibilities for the development of personalized implants with suitable mechanical properties for different medical applications. However, the poor bioactivity of Ti is still a challenge that needs to be addressed to promote scaffold osseointegration. The aim of the present study was to functionalize Ti scaffolds with genetically modified elastin-like recombinamers (ELRs), synthetic polymeric proteins containing the elastin epitopes responsible for their mechanical properties and for promoting mesenchymal stem cell (MSC) recruitment, proliferation, and differentiation to ultimately increase scaffold osseointegration. To this end, ELRs containing specific cell-adhesive (RGD) and/or osteoinductive (SNA15) moieties were covalently attached to Ti scaffolds. Cell adhesion, proliferation, and colonization were enhanced on those scaffolds functionalized with RGD-ELR, while differentiation was promoted on those with SNA15-ELR. The combination of both RGD and SNA15 into the same ELR stimulated cell adhesion, proliferation, and differentiation, although at lower levels than those for every single moiety. These results suggest that biofunctionalization with SNA15-ELRs could modulate the cellular response to improve the osseointegration of Ti implants. Further investigation on the amount and distribution of RGD and SNA15 moieties in ELRs could improve cell adhesion, proliferation, and differentiation compared to the present study.
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Development of Scaffolds from Bio-Based Natural Materials for Tissue Regeneration Applications: A Review. Gels 2023; 9:gels9020100. [PMID: 36826270 PMCID: PMC9957409 DOI: 10.3390/gels9020100] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/19/2023] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
Tissue damage and organ failure are major problems that many people face worldwide. Most of them benefit from treatment related to modern technology's tissue regeneration process. Tissue engineering is one of the booming fields widely used to replace damaged tissue. Scaffold is a base material in which cells and growth factors are embedded to construct a substitute tissue. Various materials have been used to develop scaffolds. Bio-based natural materials are biocompatible, safe, and do not release toxic compounds during biodegradation. Therefore, it is highly recommendable to fabricate scaffolds using such materials. To date, there have been no singular materials that fulfill all the features of the scaffold. Hence, combining two or more materials is encouraged to obtain the desired characteristics. To design a reliable scaffold by combining different materials, there is a need to choose a good fabrication technique. In this review article, the bio-based natural materials and fine fabrication techniques that are currently used in developing scaffolds for tissue regeneration applications, along with the number of articles published on each material, are briefly discussed. It is envisaged to gain explicit knowledge of developing scaffolds from bio-based natural materials for tissue regeneration applications.
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Lopez-Mendez TB, Strippoli R, Trionfetti F, Calvo P, Cordani M, Gonzalez-Valdivieso J. Clinical Trials Involving Chemotherapy-Based Nanocarriers in Cancer Therapy: State of the Art and Future Directions. Cancer Nanotechnol 2023. [DOI: 10.1007/978-3-031-17831-3_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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González P, González-Fernández C, Maqueda A, Pérez V, Escalera-Anzola S, Rodríguez de Lope Á, Arias FJ, Girotti A, Rodríguez FJ. Silk-Elastin-like Polymers for Acute Intraparenchymal Treatment of the Traumatically Injured Spinal Cord: A First Systematic Experimental Approach. Pharmaceutics 2022; 14:pharmaceutics14122713. [PMID: 36559207 PMCID: PMC9784492 DOI: 10.3390/pharmaceutics14122713] [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: 10/14/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
Despite the promising potential of hydrogel-based therapeutic approaches for spinal cord injury (SCI), the need for new biomaterials to design effective strategies for SCI treatment and the outstanding properties of silk-elastin-like polymers (SELP), the potential use of SELPs in SCI is currently unknown. In this context, we assessed the effects elicited by the in vivo acute intraparenchymal injection of an SELP named (EIS)2-RGD6 in a clinically relevant model of SCI. After optimization of the injection system, the distribution, structure, biodegradability, and cell infiltration capacity of (EIS)2-RGD6 were assessed. Finally, the effects exerted by the (EIS)2-RGD6 injection-in terms of motor function, myelin preservation, astroglial and microglia/macrophage reactivity, and fibrosis-were evaluated. We found that (EIS)2-RGD6 can be acutely injected in the lesioned spinal cord without inducing further damage, showing a widespread distribution covering all lesioned areas with a single injection and facilitating the formation of a slow-degrading porous scaffold at the lesion site that allows for the infiltration and/or proliferation of endogenous cells with no signs of collapse and without inducing further microglial and astroglial reactivity, as well as even reducing SCI-associated fibrosis. Altogether, these observations suggest that (EIS)2-RGD6-and, by extension, SELPs-could be promising polymers for the design of therapeutic strategies for SCI treatment.
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Affiliation(s)
- Pau González
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, 45071 Toledo, Spain
| | | | - Alfredo Maqueda
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, 45071 Toledo, Spain
| | - Virginia Pérez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, 45071 Toledo, Spain
| | - Sara Escalera-Anzola
- Smart Devices for NanoMedicine Group University of Valladolid, 47003 Valladolid, Spain
- Unidad de Excelencia Instituto de Biomedicina y Genética Molecular (IBGM), Universidad de Valladolid and Consejo Superior de Investigaciones Científicas (CSIC), 47003 Valladolid, Spain
| | | | - Francisco Javier Arias
- Smart Devices for NanoMedicine Group University of Valladolid, 47003 Valladolid, Spain
- Unidad de Excelencia Instituto de Biomedicina y Genética Molecular (IBGM), Universidad de Valladolid and Consejo Superior de Investigaciones Científicas (CSIC), 47003 Valladolid, Spain
| | - Alessandra Girotti
- Smart Devices for NanoMedicine Group University of Valladolid, 47003 Valladolid, Spain
- Unidad de Excelencia Instituto de Biomedicina y Genética Molecular (IBGM), Universidad de Valladolid and Consejo Superior de Investigaciones Científicas (CSIC), 47003 Valladolid, Spain
- Correspondence: (A.G.); (F.J.R.)
| | - Francisco Javier Rodríguez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, 45071 Toledo, Spain
- Correspondence: (A.G.); (F.J.R.)
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Ibáñez-Fonseca A, Rico A, Preciado S, González-Pérez F, Muntión S, García-Briñón J, García-Macías MC, Rodríguez-Cabello JC, Pericacho M, Alonso M, Sánchez-Guijo F. Mesenchymal Stromal Cells Combined With Elastin-Like Recombinamers Increase Angiogenesis In Vivo After Hindlimb Ischemia. Front Bioeng Biotechnol 2022; 10:918602. [PMID: 35814011 PMCID: PMC9260019 DOI: 10.3389/fbioe.2022.918602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/16/2022] [Indexed: 12/03/2022] Open
Abstract
Hindlimb ischemia is an unmet medical need, especially for those patients unable to undergo vascular surgery. Cellular therapy, mainly through mesenchymal stromal cell (MSC) administration, may be a potentially attractive approach in this setting. In the current work, we aimed to assess the potential of the combination of MSCs with a proangiogenic elastin-like recombinamer (ELR)–based hydrogel in a hindlimb ischemia murine model. Human bone marrow MSCs were isolated from four healthy donors, while ELR biomaterials were genetically engineered. Hindlimb ischemia was induced through ligation of the right femoral artery, and mice were intramuscularly injected with ELR biomaterial, 0.5 × 106 MSCs or the combination, and also compared to untreated animals. Tissue perfusion was monitored using laser Doppler perfusion imaging. Histological analysis of hindlimbs was performed after hematoxylin and eosin staining. Immunofluorescence with anti–human mitochondria antibody was used for human MSC detection, and the biomaterial was detected by elastin staining. To analyze the capillary density, immunostaining with an anti–CD31 antibody was performed. Our results show that the injection of MSCs significantly improves tissue reperfusion from day 7 (p = 0.0044) to day 21 (p = 0.0216), similar to the infusion of MSC + ELR (p = 0.0038, p = 0.0014), without significant differences between both groups. After histological evaluation, ELR hydrogels induced minimal inflammation in the injection sites, showing biocompatibility. MSCs persisted with the biomaterial after 21 days, both in vitro and in vivo. Finally, we observed a higher blood vessel density when mice were treated with MSCs compared to control (p<0.0001), but this effect was maximized and significantly different to the remaining experimental conditions when mice were treated with the combination of MSCs and the ELR biomaterial (p < 0.0001). In summary, the combination of an ELR-based hydrogel with MSCs may improve the angiogenic effects of both strategies on revascularization of ischemic tissues.
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Affiliation(s)
| | - Ana Rico
- Cell Therapy Unit, Hematology Department, University Hospital of Salamanca, Salamanca, Spain
| | - Silvia Preciado
- Cell Therapy Unit, Hematology Department, University Hospital of Salamanca, Salamanca, Spain
- RICORS TERAV, ISCIII, Madrid, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Department of Medicine and Cancer Research Center, University of Salamanca, Salamanca, Spain
- *Correspondence: Silvia Preciado,
| | | | - Sandra Muntión
- Cell Therapy Unit, Hematology Department, University Hospital of Salamanca, Salamanca, Spain
- RICORS TERAV, ISCIII, Madrid, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Department of Medicine and Cancer Research Center, University of Salamanca, Salamanca, Spain
| | - Jesús García-Briñón
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Departamento de Biología Celular y Patología, Facultad de Medicina, Salamanca, Spain
| | | | - José Carlos Rodríguez-Cabello
- BIOFORGE Lab, University of Valladolid, CIBER-BBN, Valladolid, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León, Salamanca, Spain
| | - Miguel Pericacho
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Renal and Cardiovascular Research Unit, Department of Physiology and Pharmacology, University of Salamanca, Salamanca, Spain
| | - Matilde Alonso
- BIOFORGE Lab, University of Valladolid, CIBER-BBN, Valladolid, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León, Salamanca, Spain
| | - Fermín Sánchez-Guijo
- Cell Therapy Unit, Hematology Department, University Hospital of Salamanca, Salamanca, Spain
- RICORS TERAV, ISCIII, Madrid, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Department of Medicine and Cancer Research Center, University of Salamanca, Salamanca, Spain
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López Barreiro D, Minten IJ, Thies JC, Sagt CMJ. Structure-Property Relationships of Elastin-like Polypeptides: A Review of Experimental and Computational Studies. ACS Biomater Sci Eng 2021. [PMID: 34251181 DOI: 10.1021/acsbiomaterials.1c00145] [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: 01/16/2023]
Abstract
Elastin is a structural protein with outstanding mechanical properties (e.g., elasticity and resilience) and biologically relevant functions (e.g., triggering responses like cell adhesion or chemotaxis). It is formed from its precursor tropoelastin, a 60-72 kDa water-soluble and temperature-responsive protein that coacervates at physiological temperature, undergoing a phenomenon termed lower critical solution temperature (LCST). Inspired by this behavior, many scientists and engineers are developing recombinantly produced elastin-inspired biopolymers, usually termed elastin-like polypeptides (ELPs). These ELPs are generally comprised of repetitive motifs with the sequence VPGXG, which corresponds to repeats of a small part of the tropoelastin sequence, X being any amino acid except proline. ELPs display LCST and mechanical properties similar to tropoelastin, which renders them promising candidates for the development of elastic and stimuli-responsive protein-based materials. Unveiling the structure-property relationships of ELPs can aid in the development of these materials by establishing the connections between the ELP amino acid sequence and the macroscopic properties of the materials. Here we present a review of the structure-property relationships of ELPs and ELP-based materials, with a focus on LCST and mechanical properties and how experimental and computational studies have aided in their understanding.
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Affiliation(s)
- Diego López Barreiro
- DSM Biotechnology Center, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands
| | - Inge J Minten
- DSM Materials Science Center - Applied Science Center, DSM, Urmonderbaan 22, 6160 BB, Geleen, The Netherlands
| | - Jens C Thies
- DSM Biomedical, DSM, Koestraat 1, 6167 RA, Geleen, The Netherlands
| | - Cees M J Sagt
- DSM Biotechnology Center, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands
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Agnieray H, Glasson J, Chen Q, Kaur M, Domigan L. Recent developments in sustainably sourced protein-based biomaterials. Biochem Soc Trans 2021; 49:953-964. [PMID: 33729443 PMCID: PMC8106505 DOI: 10.1042/bst20200896] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/17/2021] [Accepted: 02/22/2021] [Indexed: 12/12/2022]
Abstract
Research into the development of sustainable biomaterials is increasing in both interest and global importance due to the increasing demand for materials with decreased environmental impact. This research field utilises natural, renewable resources to develop innovative biomaterials. The development of sustainable biomaterials encompasses the entire material life cycle, from desirable traits, and environmental impact from production through to recycling or disposal. The main objective of this review is to provide a comprehensive definition of sustainable biomaterials and to give an overview of the use of natural proteins in biomaterial development. Proteins such as collagen, gelatin, keratin, and silk, are biocompatible, biodegradable, and may form materials with varying properties. Proteins, therefore, provide an intriguing source of biomaterials for numerous applications, including additive manufacturing, nanotechnology, and tissue engineering. We give an insight into current research and future directions in each of these areas, to expand knowledge on the capabilities of sustainably sourced proteins as advanced biomaterials.
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Affiliation(s)
- H. Agnieray
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - J.L. Glasson
- Department of Chemical and Material Engineering, University of Auckland, Auckland, New Zealand
| | - Q. Chen
- Department of Chemical and Material Engineering, University of Auckland, Auckland, New Zealand
| | - M. Kaur
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - L.J. Domigan
- Department of Chemical and Material Engineering, University of Auckland, Auckland, New Zealand
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