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Das D, Lawrence WR, Diaz-Starokozheva L, Salazar-Puerta A, Ott N, Goebel ER, Damughtala A, Vidal P, Gallentine S, Moore JT, Kayuha D, Mendonca NC, Albert JB, Houser R, Johnson J, Powell H, Higuita-Castro N, Stanford KI, Gallego-Perez D. Injectable pulverized electrospun poly(lactic-co-glycolic acid) fibers improve human adipose tissue engraftment and volume retention. J Biomed Mater Res A 2023; 111:1722-1733. [PMID: 37326365 PMCID: PMC10527741 DOI: 10.1002/jbm.a.37581] [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: 03/23/2023] [Revised: 05/08/2023] [Accepted: 05/31/2023] [Indexed: 06/17/2023]
Abstract
Autologous adipose tissue is commonly used for tissue engraftment for the purposes of soft tissue reconstruction due to its relative abundance in the human body and ease of acquisition using liposuction methods. This has led to the adoption of autologous adipose engraftment procedures that allow for the injection of adipose tissues to be used as a "filler" for correcting cosmetic defects and deformities in soft tissues. However, the clinical use of such methods has several limitations, including high resorption rates and poor cell survivability, which lead to low graft volume retention and inconsistent outcomes. Here, we describe a novel application of milled electrospun poly(lactic-co-glycolic acid) (PLGA) fibers, which can be co-injected with adipose tissue to improve engraftment outcomes. These PLGA fibers had no significant negative impact on the viability of adipocytes in vitro and did not elicit long-term proinflammatory responses in vivo. Furthermore, co-delivery of human adipose tissue with pulverized electrospun PLGA fibers led to significant improvements in reperfusion, vascularity, and retention of graft volume compared to injections of adipose tissue alone. Taken together, the use of milled electrospun fibers to enhance autologous adipose engraftment techniques represents a novel approach for improving upon the shortcomings of such methods.
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Affiliation(s)
- Devleena Das
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - William R. Lawrence
- Biomedical Sciences Graduate Program, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Ludmila Diaz-Starokozheva
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
- Department of Surgery, The Ohio State University, Columbus, OH, USA
| | - Ana Salazar-Puerta
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Neil Ott
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Erin R. Goebel
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Abhishek Damughtala
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Pablo Vidal
- Department of Physiology and Cell Biology, The Ohio State University, Columbus, OH, USA
| | - Summer Gallentine
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Jordan T. Moore
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | | | - Natalia C. Mendonca
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Jared B. Albert
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Robert Houser
- Cosmetic & Plastic Surgery of Columbus, Columbus, OH, USA
| | | | - Heather Powell
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
- Shriners Hospitals-Ohio, Dayton, OH, USA
| | | | - Kristin I. Stanford
- Department of Physiology and Cell Biology, The Ohio State University, Columbus, OH, USA
| | - Daniel Gallego-Perez
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
- Department of Surgery, The Ohio State University, Columbus, OH, USA
- Biomedical Sciences Graduate Program, The Ohio State University College of Medicine, Columbus, OH, USA
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Zhou S, Liu S, Wang Y, Li W, Wang J, Wang X, Wang S, Chen W, Lv H. Advances in the Study of Bionic Mineralized Collagen, PLGA, Magnesium Ionomer Materials, and Their Composite Scaffolds for Bone Defect Treatment. J Funct Biomater 2023; 14:406. [PMID: 37623651 PMCID: PMC10455784 DOI: 10.3390/jfb14080406] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/19/2023] [Accepted: 07/25/2023] [Indexed: 08/26/2023] Open
Abstract
The healing of bone defects after a fracture remains a key issue to be addressed. Globally, more than 20 million patients experience bone defects annually. Among all artificial bone repair materials that can aid healing, implantable scaffolds made from a mineralized collagen (MC) base have the strongest bionic properties. The MC/PLGA scaffold, created by adding Poly (lactic-co-glycolic acid) copolymer (PLGA) and magnesium metal to the MC substrate, plays a powerful role in promoting fracture healing because, on the one hand, it has good biocompatibility similar to that of MC; on the other hand, the addition of PLGA provides the scaffold with an interconnected porous structure, and the addition of magnesium allows the scaffold to perform anti-inflammatory, osteogenic, and angiogenic activities. Using the latest 3D printing technology for scaffold fabrication, it is possible to model the scaffold in advance according to the requirement and produce a therapeutic scaffold suitable for various bone-defect shapes with less time and effort, which can promote bone tissue healing and regeneration to the maximum extent. This study reviews the material selection and technical preparation of MC/PLGA scaffolds, and the progress of their research on bone defect treatment.
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Affiliation(s)
- Shuai Zhou
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Shihang Liu
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Yan Wang
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Wenjing Li
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Juan Wang
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Xiumei Wang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, No. 30 Shuangqing Road, Beijing 100084, China
| | - Shuo Wang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, No. 30 Shuangqing Road, Beijing 100084, China
| | - Wei Chen
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Hongzhi Lv
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (S.Z.); (S.L.); (Y.W.); (W.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang 050051, China
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Chen L, Wei L, Su X, Qin L, Xu Z, Huang X, Chen H, Hu N. Preparation and Characterization of Biomimetic Functional Scaffold with Gradient Structure for Osteochondral Defect Repair. Bioengineering (Basel) 2023; 10:bioengineering10020213. [PMID: 36829707 PMCID: PMC9952804 DOI: 10.3390/bioengineering10020213] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/20/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Osteochondral (OC) defects cannot adequately repair themselves due to their sophisticated layered structure and lack of blood supply in cartilage. Although therapeutic interventions are reaching an advanced stage, current clinical therapies to repair defects are in their infancy. Among the possible therapies, OC tissue engineering has shown considerable promise, and multiple approaches utilizing scaffolds, cells, and bioactive factors have been pursued. The most recent trend in OC tissue engineering has been to design gradient scaffolds using different materials and construction strategies (such as bi-layered, multi-layered, and continuous gradient structures) to mimic the physiological and mechanical properties of OC tissues while further enabling OC repair. This review focuses specifically on design and construction strategies for gradient scaffolds and their role in the successful engineering of OC tissues. The current dilemmas in the field of OC defect repair and the efforts of tissue engineering to address these challenges were reviewed. In addition, the advantages and limitations of the typical fabrication techniques for gradient scaffolds were discussed, with examples of recent studies summarizing the future prospects for integrated gradient scaffold construction. This updated and enlightening review could provide insights into our current understanding of gradient scaffolds in OC tissue engineering.
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Affiliation(s)
| | | | | | | | | | - Xiao Huang
- Correspondence: (X.H.); (H.C.); (N.H.); Tel.: +86-023-89011202 (X.H. & H.C. & N.H.)
| | - Hong Chen
- Correspondence: (X.H.); (H.C.); (N.H.); Tel.: +86-023-89011202 (X.H. & H.C. & N.H.)
| | - Ning Hu
- Correspondence: (X.H.); (H.C.); (N.H.); Tel.: +86-023-89011202 (X.H. & H.C. & N.H.)
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The Effect of Argon Plasma Surface Treatment on Poly(lactic-co-glycolic acid)/Collagen-Based Biomaterials for Bone Tissue Engineering. Biomimetics (Basel) 2022; 7:biomimetics7040218. [PMID: 36546918 PMCID: PMC9776356 DOI: 10.3390/biomimetics7040218] [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: 10/28/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
Nonunion bone fractures can impact the quality of life and represent a major economic burden. Scaffold-based tissue engineering has shown promise as an alternative to bone grafting. Achieving desirable bone reconstruction requires appropriate surface properties, together with optimizing the internal architecture of 3D scaffolds. This study presents the surface modification of poly(lactic-co-glycolic acid) (PLGA), collagen, and PLGA-collagen via an argon plasma treatment. Argon plasma can modify the surface chemistry and topography of biomaterials and improve in vivo integration. Solvent-cast films were prepared using 1,1,1,3,3,3-hexafluoro-2-propanol and characterized via differential scanning calorimetry, thermogravimetric analysis, contact angle measurement, and critical surface tension analysis. For PLGA films, the water contact angle dropped from 70° to 42°, whereas the diiodomethane contact angle reduced from 53° to 32° after the plasma treatment. A set of PLGA-collagen formulations were loaded with nanohydroxyapatite (nHA) and polyethylene glycol (PEG) to enhance their osteoconductivity and hydrophilicity. Then, 3D scaffolds were fabricated using a 3D Bioplotter and characterized via Fourier-transform infrared (FTIR) spectroscopy. A bicinchoninic acid assay (BCA) was used to compare the protein release from the untreated and plasma-treated scaffolds into phosphate-buffered saline (PBS). The plasma-treated scaffolds had a lower protein release, and the difference compared to the untreated scaffolds was statistically significant.
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Rama E, Mohapatra SR, Melcher C, Nolte T, Dadfar SM, Brueck R, Pathak V, Rix A, Gries T, Schulz V, Lammers T, Apel C, Jockenhoevel S, Kiessling F. Monitoring the Remodeling of Biohybrid Tissue-Engineered Vascular Grafts by Multimodal Molecular Imaging. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105783. [PMID: 35119216 PMCID: PMC8981893 DOI: 10.1002/advs.202105783] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Indexed: 06/10/2023]
Abstract
Tissue-engineered vascular grafts (TEVGs) with the ability to grow and remodel open new perspectives for cardiovascular surgery. Equipping TEVGs with synthetic polymers and biological components provides a good compromise between high structural stability and biological adaptability. However, imaging approaches to control grafts' structural integrity, physiological function, and remodeling during the entire transition between late in vitro maturation and early in vivo engraftment are mandatory for clinical implementation. Thus, a comprehensive molecular imaging concept using magnetic resonance imaging (MRI) and ultrasound (US) to monitor textile scaffold resorption, extracellular matrix (ECM) remodeling, and endothelial integrity in TEVGs is presented here. Superparamagnetic iron-oxide nanoparticles (SPION) incorporated in biodegradable poly(lactic-co-glycolic acid) (PLGA) fibers of the TEVGs allow to quantitatively monitor scaffold resorption via MRI both in vitro and in vivo. Additionally, ECM formation can be depicted by molecular MRI using elastin- and collagen-targeted probes. Finally, molecular US of αv β3 integrins confirms the absence of endothelial dysfunction; the latter is provocable by TNF-α. In conclusion, the successful employment of noninvasive molecular imaging to longitudinally evaluate TEVGs remodeling is demonstrated. This approach may foster its translation from in vitro quality control assessment to in vivo applications to ensure proper prostheses engraftment.
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Affiliation(s)
- Elena Rama
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Saurav Ranjan Mohapatra
- Department of Biohybrid & Medical TextilesInstitute of Applied Medical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Christoph Melcher
- Institute for Textile Technology RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Teresa Nolte
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Seyed Mohammadali Dadfar
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Ramona Brueck
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Vertika Pathak
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Anne Rix
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Thomas Gries
- Institute for Textile Technology RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Volkmar Schulz
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Christian Apel
- Department of Biohybrid & Medical TextilesInstitute of Applied Medical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Stefan Jockenhoevel
- Department of Biohybrid & Medical TextilesInstitute of Applied Medical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging University Clinic and Helmholtz Institute for Biomedical Engineering RWTH – Aachen University Forckenbeckstrasse 5552074AachenGermany
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Polymeric Scaffolds: Design, Processing, and Biomedical Application. Int J Mol Sci 2021; 22:ijms22094552. [PMID: 33925314 PMCID: PMC8123599 DOI: 10.3390/ijms22094552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 04/25/2021] [Indexed: 11/30/2022] Open
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