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D’Avenio G, Daniele C, Grigioni M. Nanostructured Medical Devices: Regulatory Perspective and Current Applications. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1787. [PMID: 38673144 PMCID: PMC11051465 DOI: 10.3390/ma17081787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/05/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024]
Abstract
Nanomaterials (NMs) are having a huge impact in several domains, including the fabrication of medical devices (MDs). Hence, nanostructured MDs are becoming quite common; nevertheless, the associated risks must be carefully considered in order to demonstrate safety prior to their immission on the market. The biological effect of NMs requires the consideration of methodological issues since already established methods for, e.g., cytotoxicity can be subject to a loss of accuracy in the presence of certain NMs. The need for oversight of MDs containing NMs is reflected by the European Regulation 2017/745 on MDs, which states that MDs incorporating or consisting of NMs are in class III, at highest risk, unless the NM is encapsulated or bound in such a manner that the potential for its internal exposure is low or negligible (Rule 19). This study addresses the role of NMs in medical devices, highlighting the current applications and considering the regulatory requirements of such products.
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Affiliation(s)
- Giuseppe D’Avenio
- National Centre for Innovative Technologies in Public Health, Italian National Institute of Health (ISS), 00161 Rome, Italy; (C.D.); (M.G.)
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Genedy HH, Humbert P, Laoulaou B, Le Moal B, Fusellier M, Passirani C, Le Visage C, Guicheux J, Lepeltier É, Clouet J. MicroRNA-targeting nanomedicines for the treatment of intervertebral disc degeneration. Adv Drug Deliv Rev 2024; 207:115214. [PMID: 38395361 DOI: 10.1016/j.addr.2024.115214] [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: 12/13/2023] [Revised: 02/09/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024]
Abstract
Low back pain stands as a pervasive global health concern, afflicting almost 80% of adults at some point in their lives with nearly 40% attributable to intervertebral disc degeneration (IVDD). As only symptomatic relief can be offered to patients there is a dire need for innovative treatments.Given the accumulating evidence that multiple microRNAs (miRs) are dysregulated during IVDD, they could have a huge potential against this debilitating condition. The way miRs can profoundly modulate signaling pathways and influence several cellular processes at once is particularly exciting to tackle this multifaceted disorder. However, miR delivery encounters extracellular and intracellular biological barriers. A promising technology to address this challenge is the vectorization of miRs within nanoparticles, providing both protection and enhancing their uptake within the scarce target cells of the degenerated IVD. This comprehensive review presents the diverse spectrum of miRs' connection with IVDD and demonstrates their therapeutic potential when vectorized in nanomedicines.
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Affiliation(s)
- Hussein H Genedy
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France; Univ Angers, INSERM, CNRS, MINT, SFR ICAT, F-49000 Angers, France
| | - Paul Humbert
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France
| | - Bilel Laoulaou
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France; Univ Angers, INSERM, CNRS, MINT, SFR ICAT, F-49000 Angers, France
| | - Brian Le Moal
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France; Univ Angers, INSERM, CNRS, MINT, SFR ICAT, F-49000 Angers, France
| | - Marion Fusellier
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France; Department of Diagnostic Imaging, CRIP, ONIRIS, College of Veterinary Medicine, Food Science and Engineering, Nantes F-44307, France
| | | | - Catherine Le Visage
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France
| | - Jérôme Guicheux
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France
| | - Élise Lepeltier
- Univ Angers, INSERM, CNRS, MINT, SFR ICAT, F-49000 Angers, France; Institut Universitaire de France (IUF), France.
| | - Johann Clouet
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR1229, Nantes, France
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Abaszadeh F, Ashoub MH, Khajouie G, Amiri M. Nanotechnology development in surgical applications: recent trends and developments. Eur J Med Res 2023; 28:537. [PMID: 38001554 PMCID: PMC10668503 DOI: 10.1186/s40001-023-01429-4] [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: 12/06/2022] [Accepted: 10/03/2023] [Indexed: 11/26/2023] Open
Abstract
This paper gives a detailed analysis of nanotechnology's rising involvement in numerous surgical fields. We investigate the use of nanotechnology in orthopedic surgery, neurosurgery, plastic surgery, surgical oncology, heart surgery, vascular surgery, ophthalmic surgery, thoracic surgery, and minimally invasive surgery. The paper details how nanotechnology helps with arthroplasty, chondrogenesis, tissue regeneration, wound healing, and more. It also discusses the employment of nanomaterials in implant surfaces, bone grafting, and breast implants, among other things. The article also explores various nanotechnology uses, including stem cell-incorporated nano scaffolds, nano-surgery, hemostasis, nerve healing, nanorobots, and diagnostic applications. The ethical and safety implications of using nanotechnology in surgery are also addressed. The future possibilities of nanotechnology are investigated, pointing to a possible route for improved patient outcomes. The essay finishes with a comment on nanotechnology's transformational influence in surgical applications and its promise for future breakthroughs.
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Affiliation(s)
- Farzad Abaszadeh
- Student Research Committee, Faculty of Allied Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran
| | - Muhammad Hossein Ashoub
- Department of Hematology and Medical Laboratory Sciences, Faculty of Allied Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Cell Therapy and Regenerative Medicine Comprehensive Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Ghazal Khajouie
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran
| | - Mahnaz Amiri
- Student Research Committee, Faculty of Allied Medicine, Kerman University of Medical Sciences, Kerman, Iran.
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran.
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Multiple nano-drug delivery systems for intervertebral disc degeneration: Current status and future perspectives. Bioact Mater 2023; 23:274-299. [DOI: 10.1016/j.bioactmat.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/16/2022] [Accepted: 11/14/2022] [Indexed: 11/21/2022] Open
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Park SB, Sung MH, Uyama H, Han DK. Poly(glutamic acid): Production, composites, and medical applications of the next-generation biopolymer. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2020.101341] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Baumgartner L, Wuertz-Kozak K, Le Maitre CL, Wignall F, Richardson SM, Hoyland J, Ruiz Wills C, González Ballester MA, Neidlin M, Alexopoulos LG, Noailly J. Multiscale Regulation of the Intervertebral Disc: Achievements in Experimental, In Silico, and Regenerative Research. Int J Mol Sci 2021; 22:E703. [PMID: 33445782 PMCID: PMC7828304 DOI: 10.3390/ijms22020703] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/22/2020] [Accepted: 12/24/2020] [Indexed: 12/17/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is a major risk factor of low back pain. It is defined by a progressive loss of the IVD structure and functionality, leading to severe impairments with restricted treatment options due to the highly demanding mechanical exposure of the IVD. Degenerative changes in the IVD usually increase with age but at an accelerated rate in some individuals. To understand the initiation and progression of this disease, it is crucial to identify key top-down and bottom-up regulations' processes, across the cell, tissue, and organ levels, in health and disease. Owing to unremitting investigation of experimental research, the comprehension of detailed cell signaling pathways and their effect on matrix turnover significantly rose. Likewise, in silico research substantially contributed to a holistic understanding of spatiotemporal effects and complex, multifactorial interactions within the IVD. Together with important achievements in the research of biomaterials, manifold promising approaches for regenerative treatment options were presented over the last years. This review provides an integrative analysis of the current knowledge about (1) the multiscale function and regulation of the IVD in health and disease, (2) the possible regenerative strategies, and (3) the in silico models that shall eventually support the development of advanced therapies.
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Affiliation(s)
- Laura Baumgartner
- BCN MedTech, Department of Information and Communication Technologies, Universitat Pompeu Fabra, 08018 Barcelona, Spain; (L.B.); (C.R.W.); (M.A.G.B.)
| | - Karin Wuertz-Kozak
- Department of Biomedical Engineering, Rochester Institute of Technology (RIT), Rochester, NY 14623, USA;
- Schön Clinic Munich Harlaching, Spine Center, Academic Teaching Hospital and Spine Research Institute of the Paracelsus Medical University Salzburg (Austria), 81547 Munich, Germany
| | - Christine L. Le Maitre
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield S1 1WB, UK;
| | - Francis Wignall
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Oxford Road, Manchester M13 9PT, UK; (F.W.); (S.M.R.); (J.H.)
| | - Stephen M. Richardson
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Oxford Road, Manchester M13 9PT, UK; (F.W.); (S.M.R.); (J.H.)
| | - Judith Hoyland
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Oxford Road, Manchester M13 9PT, UK; (F.W.); (S.M.R.); (J.H.)
| | - Carlos Ruiz Wills
- BCN MedTech, Department of Information and Communication Technologies, Universitat Pompeu Fabra, 08018 Barcelona, Spain; (L.B.); (C.R.W.); (M.A.G.B.)
| | - Miguel A. González Ballester
- BCN MedTech, Department of Information and Communication Technologies, Universitat Pompeu Fabra, 08018 Barcelona, Spain; (L.B.); (C.R.W.); (M.A.G.B.)
- Catalan Institution for Research and Advanced Studies (ICREA), Pg. Lluis Companys 23, 08010 Barcelona, Spain
| | - Michael Neidlin
- Department of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece; (M.N.); (L.G.A.)
| | - Leonidas G. Alexopoulos
- Department of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece; (M.N.); (L.G.A.)
| | - Jérôme Noailly
- BCN MedTech, Department of Information and Communication Technologies, Universitat Pompeu Fabra, 08018 Barcelona, Spain; (L.B.); (C.R.W.); (M.A.G.B.)
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Kalpana V, Perarasu V. Analysis on cellulose extraction from hybrid biomass for improved crystallinity. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128350] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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8
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Castro F, Pinto ML, Pereira CL, Serre K, Barbosa MA, Vermaelen K, Gärtner F, Gonçalves RM, De Wever O, Oliveira MJ. Chitosan/γ-PGA nanoparticles-based immunotherapy as adjuvant to radiotherapy in breast cancer. Biomaterials 2020; 257:120218. [DOI: 10.1016/j.biomaterials.2020.120218] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/05/2020] [Accepted: 06/22/2020] [Indexed: 02/07/2023]
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Modulation of the In Vivo Inflammatory Response by Pro- Versus Anti-Inflammatory Intervertebral Disc Treatments. Int J Mol Sci 2020; 21:ijms21051730. [PMID: 32138314 PMCID: PMC7084831 DOI: 10.3390/ijms21051730] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/18/2020] [Accepted: 02/27/2020] [Indexed: 12/14/2022] Open
Abstract
Inflammation is central in intervertebral disc (IVD) degeneration/regeneration mechanisms, and its balance is crucial to maintain tissue homeostasis. This work investigates the modulation of local and systemic inflammatory response associated with IVD degeneration/herniation by administration of PRO- versus ANTI-inflammatory treatments. Chitosan/poly-γ-glutamic acid nanocomplexes, known as pro-inflammatory (PRO), and soluble diclofenac, a non-steroidal anti-inflammatory drug (ANTI), were intradiscally administered in a rat IVD injury model, 24 h after lesion. Two weeks after administration, a reduction of disc height accompanied by hernia formation was observed. In the PRO-inflammatory treated group, IL-1β, IL-6 and COX-2 IVD gene expression were upregulated, and loss of nucleus pulposus (NP) structure and composition was observed. Systemically, lower T-cell frequency was observed in the lymph nodes (LN) and spleen (SP) of the PRO group, together with an increase in CD4+ T cells subset in the blood (BL) and LN. In contrast, the ANTI-group had higher proteoglycans/collagen ratio and collagen type 2 content in the NP, while an increase in the frequency of myeloid cells, M1 macrophages and activated macrophages (MHCII+) was observed at the systemic level. Overall, this study illustrates the dynamics of local and systemic inflammatory and immune cell responses associated with intradiscal therapies, which will contribute to designing more successful immunomodulatory treatments for IVD degeneration.
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Antunes JC, Benarroch L, Moraes FC, Juenet M, Gross MS, Aubart M, Boileau C, Caligiuri G, Nicoletti A, Ollivier V, Chaubet F, Letourneur D, Chauvierre C. Core-Shell Polymer-Based Nanoparticles Deliver miR-155-5p to Endothelial Cells. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 17:210-222. [PMID: 31265949 PMCID: PMC6610682 DOI: 10.1016/j.omtn.2019.05.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 05/20/2019] [Accepted: 05/20/2019] [Indexed: 12/12/2022]
Abstract
Heart failure occurs in over 30% of the worldwide population and most commonly originates from cardiovascular diseases such as myocardial infarction. microRNAs (miRNAs) target and silence specific mRNAs, thereby regulating gene expression. Because the endogenous miR-155-5p has been ascribed to vasculoprotection, loading it onto positively charged, core-shell poly(isobutylcyanoacrylate) (PIBCA)-polysaccharide nanoparticles (NPs) was attempted. NPs showed a decrease (p < 0.0001) in surface electrical charge (ζ potential), with negligible changes in size or shape when loaded with the anionic miR-155-5p. Presence of miR-155-5p in loaded NPs was further quantified. Cytocompatibility up to 100 μg/mL of NPs for 2 days with human coronary artery endothelial cells (hCAECs) was documented. NPs were able to enter hCAECs and were localized in the endoplasmic reticulum (ER). Expression of miR-155-5p was increased within the cells by 75-fold after 4 hours of incubation (p < 0.05) and was still noticeable at day 2. Differences between loaded NP-cultured cells and free miRNA, at days 1 (p < 0.05) and 2 (p < 0.001) suggest the ability of prolonged load release in physiological conditions. Expression of miR-155-5p downstream target BACH1 was decreased in the cells by 4-fold after 1 day of incubation (p < 0.05). This study is a first proof of concept that miR-155-5p can be loaded onto NPs and remain intact and biologically active in endothelial cells (ECs). These nanosystems could potentially increase an endogenous cytoprotective response and decrease damage within infarcted hearts.
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Affiliation(s)
- Joana C Antunes
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Louise Benarroch
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Fernanda C Moraes
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Maya Juenet
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Marie-Sylvie Gross
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Mélodie Aubart
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Catherine Boileau
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Giuseppina Caligiuri
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Antonino Nicoletti
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Véronique Ollivier
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Frédéric Chaubet
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Didier Letourneur
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France
| | - Cédric Chauvierre
- Université de Paris, LVTS, INSERM U1148, Université Paris 13, 75018 Paris, France.
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Tissue Engineering Strategies for Intervertebral Disc Treatment Using Functional Polymers. Polymers (Basel) 2019; 11:polym11050872. [PMID: 31086085 PMCID: PMC6572548 DOI: 10.3390/polym11050872] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 04/24/2019] [Accepted: 05/02/2019] [Indexed: 02/07/2023] Open
Abstract
Intervertebral disc (IVD) is the fibrocartilage between the vertebrae, allowing the spine to move steadily by bearing multidirectional complex loads. Aging or injury usually causes degeneration of IVD, which is one of the main reasons for low back pain prevalent worldwide and reduced quality of life. While various treatment strategies for degenerative IVD have been studied using in vitro studies, animal experiments, and clinical trials, there are unsolved limitations for endogenous regeneration of degenerative IVD. In this respect, several tissue engineering strategies that are based on the cell and scaffolds have been extensively researched with positive outcomes for regeneration of IVD tissues. Scaffolds made of functional polymers and their diverse forms mimicking the macro- and micro-structure of native IVD enhance the biological and mechanical properties of the scaffolds for IVD regeneration. In this review, we discuss diverse morphological and functional polymers and tissue engineering strategies for endogenous regeneration of degenerative IVD. Tissue engineering strategies using functional polymers are promising therapeutics for fundamental and endogenous regeneration of degenerative IVD.
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Nanotechnology in Spine Surgery: A Current Update and Critical Review of the Literature. World Neurosurg 2019; 123:142-155. [DOI: 10.1016/j.wneu.2018.11.035] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 11/01/2018] [Accepted: 11/03/2018] [Indexed: 01/25/2023]
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Leite Pereira C, Quelhas Teixeira G, Rita Ferreira J, D'Este M, Eglin D, Alini M, Grad S, Barbosa MA, Gonçalves RM. Stromal Cell Derived Factor-1-Mediated Migration of Mesenchymal Stem Cells Enhances Collagen Type II Expression in Intervertebral Disc. Tissue Eng Part A 2018; 24:1818-1830. [PMID: 29916307 DOI: 10.1089/ten.tea.2018.0131] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is characterized by an unbalanced cell catabolic/anabolic activity and cell death, resulting in the degradation of extracellular matrix components and water loss. Repopulating the IVD with new cells may help in recovering tissue homeostasis and reverting the degenerative process. In this study the regenerative potential of a hyaluronan (HA)-based chemoattractant delivery system able to recruit mesenchymal stem cells (MSCs) seeded on the cartilaginous endplate (CEP) of IVD was explored. A HA delivery system containing stromal cell derived factor-1 (SDF-1) (5 ng/μL) (HAPSDF5) was injected in the cavity of nucleotomized bovine discs. Human MSCs (1 × 106) were seeded on the opposite CEP and allowed to migrate for up to 21 days. Migration of fluorescently labelled MSCs from CEP toward the IVD was enhanced by HAPSDF5. Likewise, an increase in collagen type II was detected at earlier time points, whereas no effect on proteoglycan content within the nucleotomized IVDs was found. MSCs produced an increased concentration of pro-catabolic factors, such as interleukin (IL)-6, IL-8, and monocyte chemoattractant protein-1 (MCP-1). Overall, this study demonstrates that HAPSDF5 increased MSC recruitment, while the higher number of recruited cells partially contributed to accelerate matrix remodeling in nucleotomized IVDs.
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Affiliation(s)
- Catarina Leite Pereira
- 1 Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto , Porto, Portugal
- 2 Instituto de Engenharia Biomédica (INEB), Universidade do Porto , Porto, Portugal
| | - Graciosa Quelhas Teixeira
- 1 Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto , Porto, Portugal
- 2 Instituto de Engenharia Biomédica (INEB), Universidade do Porto , Porto, Portugal
| | - Joana Rita Ferreira
- 1 Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto , Porto, Portugal
- 2 Instituto de Engenharia Biomédica (INEB), Universidade do Porto , Porto, Portugal
- 3 Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto , Porto, Portugal
| | - Matteo D'Este
- 4 AO Research Institute Davos, AO Foundation , Davos, Switzerland
| | - David Eglin
- 4 AO Research Institute Davos, AO Foundation , Davos, Switzerland
| | - Maulo Alini
- 4 AO Research Institute Davos, AO Foundation , Davos, Switzerland
| | - Sibylle Grad
- 4 AO Research Institute Davos, AO Foundation , Davos, Switzerland
| | - Mário Adolfo Barbosa
- 1 Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto , Porto, Portugal
- 2 Instituto de Engenharia Biomédica (INEB), Universidade do Porto , Porto, Portugal
- 3 Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto , Porto, Portugal
| | - Raquel Madeira Gonçalves
- 1 Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto , Porto, Portugal
- 2 Instituto de Engenharia Biomédica (INEB), Universidade do Porto , Porto, Portugal
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Immunomodulation of Human Mesenchymal Stem/Stromal Cells in Intervertebral Disc Degeneration: Insights From a Proinflammatory/Degenerative Ex Vivo Model. Spine (Phila Pa 1976) 2018; 43:E673-E682. [PMID: 29189572 DOI: 10.1097/brs.0000000000002494] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
STUDY DESIGN Ex vivo experimental study. OBJECTIVE To investigate the effect of proinflammatory/degenerative intervertebral disc (IVD) microenvironment on the regenerative and immunomodulatory behavior of mesenchymal stem/stromal cells (MSCs), using an ex vivo model from bovine origin. SUMMARY OF BACKGROUND DATA Low back pain is a cause of disability worldwide, most frequently associated with IVD degeneration and inflammation, and characterized by increased levels of inflammatory mediators, often disregarded. MSC-based therapies to low back pain have been advocated, but the involvement of inflammation in IVD remodeling mechanism, promoted by MSCs has not yet been explored. METHODS Bovine IVD organ cultures of nucleus pulposus punches were stimulated with needle puncture and culture medium supplementation with 10 ng/mL of interleukin (IL)-1β, to induce a proinflammatory/degenerative environment, as previously established. Human bone marrow-derived MSCs were cultured on top of transwells, placed above nucleus pulposus punches, for up to 16 days. MSCs were analyzed by screening cell viability/apoptosis, metabolic activity, migration, and inflammatory cytokines production in response to the proinflammatory environment. IVD extracellular matrix (ECM) remodeling, gene expression profile of IVD cells, and inflammatory cytokine profile in the presence of MSCs in basal versus proinflammatory conditions were also evaluated. RESULTS Proinflammatory/degenerative IVD conditions did not affect MSCs viability, but promoted cell migration, while increasing IL-6, IL-8, monocyte chemoattractant protein-1, and prostaglandin E2 and reducing transforming growth factor-β1 production by MSCs. MSCs did not stimulate ECM production (namely type II collagen or aggrecan) in neither basal nor inflammatory conditions, instead MSCs downregulated bovine proinflammatory IL-6, IL-8, and TNF-α gene expression levels in IL-1β-stimulated IVDs. CONCLUSION The present study provides evidence for an immunomodulatory paracrine effect of MSCs in degenerated IVD without an apparent effect in ECM remodeling, and suggest an MSCs mechanism-of-action dependent on a cytokine feedback loop. LEVEL OF EVIDENCE 5.
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Smith WR, Hudson PW, Ponce BA, Rajaram Manoharan SR. Nanotechnology in orthopedics: a clinically oriented review. BMC Musculoskelet Disord 2018; 19:67. [PMID: 29499666 PMCID: PMC5833027 DOI: 10.1186/s12891-018-1990-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Accepted: 02/23/2018] [Indexed: 12/15/2022] Open
Abstract
The utility of nanotechnology in medicine, specifically within the field of orthopedics, is a topic of extensive research. Our review provides a unique comprehensive overview of the current and potential future uses of nanotechnology with respect to orthopedic sub-specialties. Nanotechnology offers an immense assortment of novel applications, most notably the use of nanomaterials as scaffolds to induce a more favorable interaction between orthopedic implants and native bone. Nanotechnology has the capability to revolutionize the diagnostics and treatment of orthopedic surgery, however the long-term health effects of nanomaterials are poorly understood and extensive research is needed regarding clinical safety.
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Affiliation(s)
- Walter Ryan Smith
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, 1313 13 St. South, Birmingham, AL 35205 USA
| | - Parke William Hudson
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, 1313 13 St. South, Birmingham, AL 35205 USA
| | - Brent Andrew Ponce
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, 1313 13 St. South, Birmingham, AL 35205 USA
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Chitosan oligosaccharides protect nucleus pulposus cells from hydrogen peroxide-induced apoptosis in a rat experimental model. Biomed Pharmacother 2017; 93:807-815. [DOI: 10.1016/j.biopha.2017.06.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/12/2017] [Accepted: 06/29/2017] [Indexed: 01/06/2023] Open
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Mesenchymal Stem/Stromal Cells seeded on cartilaginous endplates promote Intervertebral Disc Regeneration through Extracellular Matrix Remodeling. Sci Rep 2016; 6:33836. [PMID: 27652931 PMCID: PMC5031983 DOI: 10.1038/srep33836] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 09/05/2016] [Indexed: 12/11/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is characterized by significant biochemical and histomorphological alterations, such as loss of extracellular matrix (ECM) integrity, by abnormal synthesis of ECM main components, resultant from altered anabolic/catabolic cell activities and cell death. Mesenchymal Stem/Stromal Cell (MSC) migration towards degenerated IVD may represent a viable strategy to promote tissue repair/regeneration. Here, human MSCs (hMSCs) were seeded on top of cartilaginous endplates (CEP) of nucleotomized IVDs of bovine origin and cultured ex vivo up to 3 weeks. hMSCs migrated from CEP towards the lesion area and significantly increased expression of collagen type II and aggrecan in IVD, namely in the nucleus pulposus. Concomitantly, hMSCs stimulated the production of growth factors, promoters of ECM synthesis, such as fibroblast growth factor 6 (FGF-6) and 7 (FGF-7), platelet-derived growth factor receptor (PDGF-R), granulocyte-macrophage colony-stimulating factor (GM-CSF) and insulin-like growth factor 1 receptor (IGF-1sR). Overall, our results demonstrate that CEP can be an alternative route to MSC-based therapies for IVD regeneration through ECM remodeling, thus opening new perspectives on endogenous repair capacity through MSC recruitment.
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