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Kérourédan O, Washio A, Handschin C, Devillard R, Kokabu S, Kitamura C, Tabata Y. Bioactive gelatin-sheets as novel biopapers to support prevascularization organized by laser-assisted bioprinting for bone tissue engineering. Biomed Mater 2024; 19:025038. [PMID: 38324892 DOI: 10.1088/1748-605x/ad270a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/07/2024] [Indexed: 02/09/2024]
Abstract
Despite significant advances in the management of patients with oral cancer, maxillofacial reconstruction after ablative surgery remains a clinical challenge. In bone tissue engineering, biofabrication strategies have been proposed as promising alternatives to solve issues associated with current therapies and to produce bone substitutes that mimic both the structure and function of native bone. Among them, laser-assisted bioprinting (LAB) has emerged as a relevant biofabrication method to print living cells and biomaterials with micrometric resolution onto a receiving substrate, also called 'biopaper'. Recent studies have demonstrated the benefits of prevascularization using LAB to promote vascularization and bone regeneration, but mechanical and biological optimization of the biopaper are needed. The aim of this study was to apply gelatin-sheet fabrication process to the development of a novel biopaper able to support prevascularization organized by LAB for bone tissue engineering applications. Gelatin-based sheets incorporating bioactive glasses (BGs) were produced using various freezing methods and crosslinking (CL) parameters. The different formulations were characterized in terms of microstructural, physical, mechanical, and biological properties in monoculture and coculture. Based on multi-criteria analysis, a rank scoring method was used to identify the most relevant formulations. The selected biopaper underwent additional characterization regarding its ability to support mineralization and vasculogenesis, its bioactivity potential andin vivodegradability. The biopaper 'Gel5wt% BG1wt%-slow freezing-CL160 °C 24 h' was selected as the best candidate, due to its suitable properties including high porosity (91.69 ± 1.55%), swelling ratio (91.61 ± 0.60%), Young modulus (3.97 × 104± 0.97 × 104Pa) but also its great cytocompatibility, osteogenesis and bioactivity properties. The preorganization of human umbilical vein endothelial cell using LAB onto this new biopaper led to the formation of microvascular networks. This biopaper was also shown to be compatible with 3D-molding and 3D-stacking strategies. This work allowed the development of a novel biopaper adapted to LAB with great potential for vascularized bone biofabrication.
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Affiliation(s)
- Olivia Kérourédan
- INSERM, U1026 BIOTIS, University of Bordeaux, 146 rue Léo Saignat, Bordeaux 33076, France
- Faculty of Dentistry, University of Bordeaux, 146 rue Léo Saignat, Bordeaux 33076, France
- CHU de Bordeaux, Pôle de Médecine et Chirurgie bucco-dentaire, Place Amélie Raba Léon, Bordeaux 33076, France
- CHU de Bordeaux, CCMR MOC-Maladies Osseuses Constitutionnelles, Place Amélie Raba Léon, Bordeaux 33076, France
- CHU de Bordeaux, CCMR O-Rares-Maladies Rares Orales et Dentaires, Place Amélie Raba Léon, Bordeaux 33076, France
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Ayako Washio
- Division of Endodontics and Restorative Dentistry, Department of Science of Oral Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu 803-8580, Japan
| | - Charles Handschin
- ART BioPrint, INSERM, U1026 BIOTIS, University of Bordeaux, 146 rue Léo Saignat, Bordeaux 33076, France
| | - Raphaël Devillard
- INSERM, U1026 BIOTIS, University of Bordeaux, 146 rue Léo Saignat, Bordeaux 33076, France
- Faculty of Dentistry, University of Bordeaux, 146 rue Léo Saignat, Bordeaux 33076, France
- CHU de Bordeaux, Pôle de Médecine et Chirurgie bucco-dentaire, Place Amélie Raba Léon, Bordeaux 33076, France
- CHU de Bordeaux, CCMR MOC-Maladies Osseuses Constitutionnelles, Place Amélie Raba Léon, Bordeaux 33076, France
- CHU de Bordeaux, CCMR O-Rares-Maladies Rares Orales et Dentaires, Place Amélie Raba Léon, Bordeaux 33076, France
| | - Shoichiro Kokabu
- Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu 803-8580, Japan
| | - Chiaki Kitamura
- Division of Endodontics and Restorative Dentistry, Department of Science of Oral Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu 803-8580, Japan
| | - Yasuhiko Tabata
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
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Ziane-Casenave S, Mauroux M, Devillard R, Kérourédan O. Influence of practical and clinical experience on dexterity performance measured using haptic virtual reality simulator. Eur J Dent Educ 2022; 26:838-848. [PMID: 34990073 DOI: 10.1111/eje.12767] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/15/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
INTRODUCTION Development of dexterity, hand-eye coordination and self-assessment are essential during the preclinical training of dental students. To meet this requirement, dental simulators have been developed combining virtual reality with a force feedback haptic interface. The aim of this study was to assess the capability of the VirTeaSy© haptic simulator to discriminate between users with different levels of practical and clinical experience. MATERIALS AND METHODS Fifty-six volunteers divided into five groups (non-dentists, 1st/3rd/final-year dental students, recent graduates) had three attempts to prepare an occlusal amalgam cavity using the simulator. Percentages of volumes prepared inside (%IV) and outside (%OV) the required cavity, skill index and progression rate, referring to the evolution of skill index between trials 1 and 3, were assessed. The dental students and recent graduates completed a questionnaire to gather their opinions about their first hands-on experience with a haptic simulator. RESULTS The results showed no significant difference between the groups at the first attempt. Following the third attempt, the skill index was improved significantly. Analysis of progression rates, characterised by large standard deviations, did not reveal significant differences between groups. The third attempt showed significant differences in skill index and %IV between 1st-year undergraduate dental students and both non-dentists and recent dental graduates. The questionnaire indicated a tendency for dental operators to consider the simulator as a complement to their learning and not a substitute for traditional methods. CONCLUSION This study did not show the ability of a basic aptitude test on VirTeaSy© haptic simulator to discriminate between users of different levels of expertise. Optimisations must be considered in order to make simulation-based assessment clinically relevant.
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Affiliation(s)
- Sophia Ziane-Casenave
- UFR des Sciences Odontologiques, Université de Bordeaux, Bordeaux, France
- UMR 1026 BioTis INSERM, Université de Bordeaux, Bordeaux, France
| | - Marthe Mauroux
- UFR des Sciences Odontologiques, Université de Bordeaux, Bordeaux, France
| | - Raphaël Devillard
- UFR des Sciences Odontologiques, Université de Bordeaux, Bordeaux, France
- UMR 1026 BioTis INSERM, Université de Bordeaux, Bordeaux, France
| | - Olivia Kérourédan
- UFR des Sciences Odontologiques, Université de Bordeaux, Bordeaux, France
- UMR 1026 BioTis INSERM, Université de Bordeaux, Bordeaux, France
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Smirani R, Rémy M, Devillard R, Naveau A. Use of Human Gingival Fibroblasts for Pre-Vascularization Strategies in Oral Tissue Engineering. Tissue Eng Regen Med 2022; 19:525-535. [PMID: 35048331 PMCID: PMC9130389 DOI: 10.1007/s13770-021-00415-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/06/2021] [Accepted: 11/22/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Cocultures of human gingival fibrobasts (hGF) and endothelial cells could enhance regeneration and repair models as well as improve vascularization limitations in tissue engineering. The aim of this study was to assess if hGF could support formation of stable vessel-like networks. METHODS Explant primary hGF were isolated from gum surgical wastes collected from healthy patients with no history of periodontitis. Human umbilical vein endothelial cells (HUVEC) were two-dimensional (2D) and three-dimensional (3D) cocultured in vitro with hGF at a cell ratio of 1:1 and medium of 1:1 of their respective media during at least 31 days. Vessel quantification of HUVEC networks was performed. In order to investigate the pericyte-like properties of hGF, the expression of perivascular markers α-SMA, NG2, CD146 and PDGFR-β was studied using immunocytochemistry and flow cytometry on 2D cultures. RESULTS hGF were able to support a long-lasting HUVEC network at least 31 days, even in the absence of a bioreactor with flow. As observed, HUVEC started to communicate with each other from day 7, constructing a network. Their interconnection increased significantly between day 2 and day 21 and lasted beyond the 31 days of observation. Moreover, we tried to explain the stability of the networks obtained and showed that a small population of hGF in close vicinity of HUVEC networks expressed perivascular markers. CONCLUSION These findings highlight a new interesting property concerning hGF, accentuating their relevance in tissue engineering and periodontal regeneration. These promising results need to be confirmed using more 3D applications and in vivo testing.
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Affiliation(s)
- Rawen Smirani
- Univ. Bordeaux, INSERM, Laboratoire Bioingénierie Tissulaire (BioTis), U1026, CHU Bordeaux, Univ. Bordeaux, 33 076, Bordeaux, France.
| | - Murielle Rémy
- Univ. Bordeaux, CNRS, Chimie et Biologie des Membranes et des Nanoobjets (CBMN), U5248, Univ. Bordeaux, 33600, Pessac, France
| | - Raphaël Devillard
- Univ. Bordeaux, INSERM, Laboratoire Bioingénierie Tissulaire (BioTis), U1026, CHU Bordeaux, Univ. Bordeaux, 33 076, Bordeaux, France
| | - Adrien Naveau
- Univ. Bordeaux, INSERM, Laboratoire Bioingénierie Tissulaire (BioTis), U1026, CHU Bordeaux, Univ. Bordeaux, 33 076, Bordeaux, France
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Kérourédan O, Ziane S, Devillard R. Pourquoi et comment traiter l’hyperesthésie dentinaire. Actualités Pharmaceutiques 2020. [DOI: 10.1016/j.actpha.2020.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Flegeau K, Rubin S, Mucha S, Bur P, Préterre J, Siadous R, L'Azou B, Fricain JC, Combe C, Devillard R, Kalisky J, Rigothier C. Towards an in vitro model of the glomerular barrier unit with an innovative bioassembly method. Nephrol Dial Transplant 2020; 35:240-250. [PMID: 31121032 DOI: 10.1093/ndt/gfz094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 04/10/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The development of an artificial glomerular unit may be pivotal for renal pathophysiology studies at a multicellular scale. Using a tissue engineering approach, we aimed to reproduce in part the specific glomerular barrier architecture by manufacturing a glomerular microfibre (Mf). METHODS Immortalized human glomerular cell lines of endothelial cells (GEnCs) and podocytes were used. Cells and a three-dimensional (3D) matrix were characterized by immunofluorescence with confocal analysis, Western blot and polymerase chain reaction. Optical and electron microscopy were used to study Mf and cell shapes. We also analysed cell viability and cell metabolism within the 3D construct at 14 days. RESULTS Using the Mf manufacturing method, we repeatedly obtained a cellularized Mf sorting human glomerular cells in 3D. Around a central structure made of collagen I, we obtained an internal layer composed of GEnC, a newly formed glomerular basement membrane rich in α5 collagen IV and an external layer of podocytes. The cell concentration, optimal seeding time and role of physical stresses were modulated to obtain the Mf. Cell viability and expression of specific proteins (nephrin, synaptopodin, vascular endothelial growth factor receptor 2 (VEGFR2) and von Willebrandt factor (vWF)) were maintained for 19 days in the Mf system. Mf ultrastructure, observed with EM, had similarities with the human glomerular barrier. CONCLUSION In summary, with our 3D bio-engineered glomerular fibre, GEnC and podocytes produced a glomerular basement membrane. In the future, this glomerular Mf will allow us to study cell interactions in a 3D system and increase our knowledge of glomerular pathophysiology.
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Affiliation(s)
- Killian Flegeau
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France
| | - Sébastien Rubin
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France.,Service de Néphrologie Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Simon Mucha
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France.,Service de Néphrologie Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Pauline Bur
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France
| | - Julie Préterre
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France
| | - Robin Siadous
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France
| | - Béatrice L'Azou
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France
| | - Jean-Christophe Fricain
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France.,Service d'odontologie et de Santé Buccale, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Christian Combe
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France.,Service de Néphrologie Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Raphaël Devillard
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France.,Service d'odontologie et de Santé Buccale, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Jérôme Kalisky
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France
| | - Claire Rigothier
- Tissue Bioengineering, Université de Bordeaux, Bordeaux, France.,Tissue Bioengineering, INSERM, Bordeaux, France.,Service de Néphrologie Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
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Dessane B, Smirani R, Bouguéon G, Kauss T, Ribot E, Devillard R, Barthélémy P, Naveau A, Crauste-Manciet S. Nucleotide lipid-based hydrogel as a new biomaterial ink for biofabrication. Sci Rep 2020; 10:2850. [PMID: 32071330 PMCID: PMC7029012 DOI: 10.1038/s41598-020-59632-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 01/20/2020] [Indexed: 12/30/2022] Open
Abstract
One of the greatest challenges in the field of biofabrication remains the discovery of suitable bioinks that satisfy physicochemical and biological requirements. Despite recent advances in tissue engineering and biofabrication, progress has been limited to the development of technologies using polymer-based materials. Here, we show that a nucleotide lipid-based hydrogel resulting from the self-assembly of nucleotide lipids can be used as a bioink for soft tissue reconstruction using injection or extrusion-based systems. To the best of our knowledge, the use of a low molecular weight hydrogel as an alternative to polymeric bioinks is a novel concept in biofabrication and 3D bioprinting. Rheological studies revealed that nucleotide lipid-based hydrogels exhibit suitable mechanical properties for biofabrication and 3D bioprinting, including i) fast gelation kinetics in a cell culture medium and ii) shear moduli and thixotropy compatible with extruded oral cell survival (human gingival fibroblasts and stem cells from the apical papilla). This polymer-free soft material is a promising candidate for a new bioink design.
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Affiliation(s)
- Bérangère Dessane
- ARNA Laboratory, Inserm, U1212, CNRS 5320 (ChemBioPharm), University of Bordeaux, F-33000, Bordeaux, France
- Pharmaceutical Technology Department, University Hospital of Bordeaux, CHU de Bordeaux, Avenue de Magellan, 33604, Pessac, France
| | - Rawen Smirani
- Biotis, Inserm, U1026 University of Bordeaux 146 rue Léo-Saignat, Case 45 CEDEX 33076 F-, 33000, Bordeaux, France
- Department of Oral Medicine University Hospital of Bordeaux, CHU de Bordeaux, Place Amélie Rabat Léon, 33076, Bordeaux Cedex, France
| | - Guillaume Bouguéon
- ARNA Laboratory, Inserm, U1212, CNRS 5320 (ChemBioPharm), University of Bordeaux, F-33000, Bordeaux, France
- Pharmaceutical Technology Department, University Hospital of Bordeaux, CHU de Bordeaux, Avenue de Magellan, 33604, Pessac, France
| | - Tina Kauss
- ARNA Laboratory, Inserm, U1212, CNRS 5320 (ChemBioPharm), University of Bordeaux, F-33000, Bordeaux, France
| | - Emeline Ribot
- Center for Magnetic Resonance for Biological System UMR 5536, CNRS, University of Bordeaux 146 rue Léo Saignat, 33076, Bordeaux, France
| | - Raphaël Devillard
- Biotis, Inserm, U1026 University of Bordeaux 146 rue Léo-Saignat, Case 45 CEDEX 33076 F-, 33000, Bordeaux, France
- Department of Oral Medicine University Hospital of Bordeaux, CHU de Bordeaux, Place Amélie Rabat Léon, 33076, Bordeaux Cedex, France
| | - Philippe Barthélémy
- ARNA Laboratory, Inserm, U1212, CNRS 5320 (ChemBioPharm), University of Bordeaux, F-33000, Bordeaux, France.
| | - Adrien Naveau
- Biotis, Inserm, U1026 University of Bordeaux 146 rue Léo-Saignat, Case 45 CEDEX 33076 F-, 33000, Bordeaux, France
- Department of Oral Medicine University Hospital of Bordeaux, CHU de Bordeaux, Place Amélie Rabat Léon, 33076, Bordeaux Cedex, France
| | - Sylvie Crauste-Manciet
- ARNA Laboratory, Inserm, U1212, CNRS 5320 (ChemBioPharm), University of Bordeaux, F-33000, Bordeaux, France
- Pharmaceutical Technology Department, University Hospital of Bordeaux, CHU de Bordeaux, Avenue de Magellan, 33604, Pessac, France
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Guduric V, Siadous R, Babilotte J, Seimbille M, Bareille R, Rey S, Thébaud NB, Le Nihouannen D, Fricain J, Devillard R, Luzanin O, Catros S. Layer‐by‐layer bioassembly of poly(lactic) acid membranes loaded with coculture of HBMSCs and EPCs improves vascularization in vivo. J Biomed Mater Res A 2019; 107:2629-2642. [DOI: 10.1002/jbm.a.36769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 07/24/2019] [Accepted: 07/29/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Vera Guduric
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
| | - Robin Siadous
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
| | - Joanna Babilotte
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
| | - Maxime Seimbille
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
| | - Reine Bareille
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
| | - Sylvie Rey
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
| | - Noëlie B. Thébaud
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
- CHU de Bordeaux, Rue de la Pelouse Bordeaux France
| | | | - Jean‐Christophe Fricain
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
- CHU de Bordeaux, Rue de la Pelouse Bordeaux France
| | - Raphaël Devillard
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
- CHU de Bordeaux, Rue de la Pelouse Bordeaux France
| | - Ognjan Luzanin
- Faculty of Technical SciencesUniversity of Novi Sad Novi Sad Serbia
| | - Sylvain Catros
- Biotis, INSERM U1026Université de Bordeaux Bordeaux Cedex France
- CHU de Bordeaux, Rue de la Pelouse Bordeaux France
- Faculty of Technical SciencesUniversity of Novi Sad Novi Sad Serbia
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Kérourédan O, Hakobyan D, Rémy M, Ziane S, Dusserre N, Fricain JC, Delmond S, Thébaud NB, Devillard R. In situ prevascularization designed by laser-assisted bioprinting: effect on bone regeneration. Biofabrication 2019; 11:045002. [PMID: 31151125 DOI: 10.1088/1758-5090/ab2620] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Vascularization plays a crucial role in bone formation and regeneration process. Development of a functional vasculature to improve survival and integration of tissue-engineered bone substitutes remains a major challenge. Biofabrication technologies, such as bioprinting, have been introduced as promising alternatives to overcome issues related to lack of prevascularization and poor organization of vascular networks within the bone substitutes. In this context, this study aimed at organizing endothelial cells in situ, in a mouse calvaria bone defect, to generate a prevascularization with a defined architecture, and promote in vivo bone regeneration. Laser-assisted bioprinting (LAB) was used to pattern Red Fluorescent Protein-labeled endothelial cells into a mouse calvaria bone defect of critical size, filled with collagen containing mesenchymal stem cells and vascular endothelial growth factor. LAB technology allowed safe and controlled in vivo printing of different cell patterns. In situ printing of endothelial cells gave rise to organized microvascular networks into bone defects. At two months, vascularization rate (vr) and bone regeneration rate (br) showed statistically significant differences between the 'random seeding' condition and both 'disc' pattern (vr = +203.6%; br = +294.1%) and 'crossed circle' pattern (vr = +355%; br = +602.1%). These results indicate that in vivo LAB is a valuable tool to introduce in situ prevascularization with a defined configuration and promote bone regeneration.
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Affiliation(s)
- Olivia Kérourédan
- INSERM, Bioingénierie Tissulaire, U1026, F-33076 Bordeaux, France. Université de Bordeaux, Bioingénierie Tissulaire, U1026, F-33076 Bordeaux, France. CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076 Bordeaux, France
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Kérourédan O, Bourget JM, Rémy M, Crauste-Manciet S, Kalisky J, Catros S, Thébaud NB, Devillard R. Micropatterning of endothelial cells to create a capillary-like network with defined architecture by laser-assisted bioprinting. J Mater Sci Mater Med 2019; 30:28. [PMID: 30747358 DOI: 10.1007/s10856-019-6230-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 02/01/2019] [Indexed: 06/09/2023]
Abstract
Development of a microvasculature into tissue-engineered bone substitutes represents a current challenge. Seeding of endothelial cells in an appropriate environment can give rise to a capillary-like network to enhance prevascularization of bone substitutes. Advances in biofabrication techniques, such as bioprinting, could allow to precisely define a pattern of endothelial cells onto a biomaterial suitable for in vivo applications. The aim of this study was to produce a microvascular network following a defined pattern and preserve it while preparing the surface to print another layer of endothelial cells. We first optimise the bioink cell concentration and laser printing parameters and then develop a method to allow endothelial cells to survive between two collagen layers. Laser-assisted bioprinting (LAB) was used to pattern lines of tdTomato-labeled endothelial cells cocultured with mesenchymal stem cells seeded onto a collagen hydrogel. Formation of capillary-like structures was dependent on a sufficient local density of endothelial cells. Overlay of the pattern with collagen I hydrogel containing vascular endothelial growth factor (VEGF) allowed capillary-like structures formation and preservation of the printed pattern over time. Results indicate that laser-assisted bioprinting is a valuable technique to pre-organize endothelial cells into high cell density pattern in order to create a vascular network with defined architecture in tissue-engineered constructs based on collagen hydrogel.
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Affiliation(s)
- Olivia Kérourédan
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France.
- Université de Bordeaux, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France.
- CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, Place Amélie Raba Léon, F-33076, Bordeaux, France.
| | - Jean-Michel Bourget
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- Energie, matériaux et télécommunication, Institut National de Recherche Scientifique, Varenne, QC, Canada
| | - Murielle Rémy
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- Université de Bordeaux, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
| | - Sylvie Crauste-Manciet
- Université de Bordeaux, ARNA Laboratory, team ChemBioPharm, U1212 INSERM - UMR 5320 CNRS, 146 rue Léo Saignat, F-33076, Bordeaux, France
- CHU de Bordeaux, Pharmacie du Groupe Hospitalier Sud, Avenue de Magellan, F-33604, Pessac, France
| | - Jérôme Kalisky
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- Université de Bordeaux, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
| | - Sylvain Catros
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- Université de Bordeaux, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, Place Amélie Raba Léon, F-33076, Bordeaux, France
| | - Noëlie B Thébaud
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- Université de Bordeaux, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, Place Amélie Raba Léon, F-33076, Bordeaux, France
| | - Raphaël Devillard
- INSERM, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- Université de Bordeaux, Bioingénierie Tissulaire, U1026, 146 rue Léo Saignat, F-33076, Bordeaux, France
- CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, Place Amélie Raba Léon, F-33076, Bordeaux, France
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10
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Kérourédan O, Ribot EJ, Fricain JC, Devillard R, Miraux S. Magnetic Resonance Imaging for tracking cellular patterns obtained by Laser-Assisted Bioprinting. Sci Rep 2018; 8:15777. [PMID: 30361490 PMCID: PMC6202323 DOI: 10.1038/s41598-018-34226-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 10/10/2018] [Indexed: 12/24/2022] Open
Abstract
Recent advances in the field of Tissue Engineering allowed to control the three-dimensional organization of engineered constructs. Cell pattern imaging and in vivo follow-up remain a major hurdle in in situ bioprinting onto deep tissues. Magnetic Resonance Imaging (MRI) associated with Micron-sized superParamagnetic Iron Oxide (MPIO) particles constitutes a non-invasive method for tracking cells in vivo. To date, no studies have utilized Cellular MRI as a tool to follow cell patterns obtained via bioprinting technologies. Laser-Assisted Bioprinting (LAB) has been increasingly recognized as a new and exciting addition to the bioprinting’s arsenal, due to its rapidity, precision and ability to print viable cells. This non-contact technology has been successfully used in recent in vivo applications. The aim of this study was to assess the methodology of tracking MPIO-labeled stem cells using MRI after organizing them by Laser-Assisted Bioprinting. Optimal MPIO concentrations for tracking bioprinted cells were determined. Accuracy of printed patterns was compared using MRI and confocal microscopy. Cell densities within the patterns and MRI signals were correlated. MRI enabled to detect cell patterns after in situ bioprinting onto a mouse calvarial defect. Results demonstrate that MRI combined with MPIO cell labeling is a valuable technique to track bioprinted cells in vitro and in animal models.
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Affiliation(s)
- Olivia Kérourédan
- INSERM, Bioingénierie Tissulaire, U1026, F-33076, Bordeaux, France. .,CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076, Bordeaux, France.
| | - Emeline Julie Ribot
- Centre de Résonance Magnétique des Systèmes Biologiques, UMR5536, CNRS/Univ. Bordeaux, F-33076, Bordeaux, France
| | - Jean-Christophe Fricain
- INSERM, Bioingénierie Tissulaire, U1026, F-33076, Bordeaux, France.,CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076, Bordeaux, France.,ART BioPrint, INSERM, U1026, F-33076, Bordeaux, France
| | - Raphaël Devillard
- INSERM, Bioingénierie Tissulaire, U1026, F-33076, Bordeaux, France.,CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076, Bordeaux, France
| | - Sylvain Miraux
- Centre de Résonance Magnétique des Systèmes Biologiques, UMR5536, CNRS/Univ. Bordeaux, F-33076, Bordeaux, France
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11
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Rigothier C, Preterre J, Bur P, Mucha S, Rubin S, Kalisky J, Devillard R, Combe C. Fabrication d’un réseau glomérulaire microvascularisé : néoformation d’une membrane basale glomérulaire. Nephrol Ther 2018. [DOI: 10.1016/j.nephro.2018.07.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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12
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Kérourédan O, Smirani R, Oriez D, Péli JF, Seux D, Quinton A, Devillard R. Self-perceived educational needs of junior assistant professors in Conservative Dentistry and Endodontics in France. Eur J Dent Educ 2018; 22:e514-e521. [PMID: 29498152 DOI: 10.1111/eje.12334] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/10/2018] [Indexed: 06/08/2023]
Abstract
INTRODUCTION Academic dental educators play a major role in training future dentists. They help students to develop medical knowledge and behavioural skills that improve the quality and rigor of their future practice. Therefore, their experience and knowledge are critical to ensure effective learning. However, a French national workshop revealed that most junior assistant professors lack educational skills at the beginning of their career. The aim of this study was to assess educational training needs of junior assistant professors in the Department of Conservative Dentistry and Endodontics. MATERIALS AND METHODS An electronic survey was sent to junior assistant professors belonging to Departments of Conservative Dentistry and Endodontics within the 16 French dental schools in 2016. This survey was designed to collect data regarding their motivations, teaching expertise and interest in pedagogy. RESULTS Sixty of the 69 junior educators turned in their answers, which represents a response rate of 87%. About 86.7% of respondents cited their attraction to teaching as one of the main reasons behind their application. The major difficulty encountered by junior faculty was related to course preparation. Only 15% had received educational training despite the fact that 98.3% were convinced of the usefulness of such a training for junior teachers. CONCLUSION This study identified the motivations and difficulties encountered by junior assistant professors. This collection of educational needs should be considered when planning a national programme for educational training of dental faculty that will promote the acquisition of teaching skills and improve the education of dental students.
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Affiliation(s)
- O Kérourédan
- Faculty of Odontology, Bordeaux University, Bordeaux, France
| | - R Smirani
- Faculty of Odontology, Bordeaux University, Bordeaux, France
| | - D Oriez
- Faculty of Odontology, Bordeaux University, Bordeaux, France
| | - J F Péli
- Faculty of Odontology, Bordeaux University, Bordeaux, France
| | - D Seux
- Faculty of Odontology, Lyon 1 University, Lyon, France
| | - A Quinton
- Center for Applied Research in Education, CRAME, Bordeaux University, Bordeaux, France
| | - R Devillard
- Faculty of Odontology, Bordeaux University, Bordeaux, France
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13
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Smirani R, Truchetet M, Poursac N, Naveau A, Schaeverbeke T, Devillard R. Impact of systemic sclerosis oral manifestations on patients’ health‐related quality of life: A systematic review. J Oral Pathol Med 2018; 47:808-815. [DOI: 10.1111/jop.12739] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Rawen Smirani
- Unité de Médecine Bucco‐Dentaire Hôpital Pellegrin CHU de Bordeaux Bordeaux France
- Laboratoire BioTis Inserm 1026 Université de Bordeaux Bordeaux France
- UFR des Sciences Odontologiques Université de Bordeaux Bordeaux Cedex France
| | - Marie‐Elise Truchetet
- Service de Rhumatologie Hôpital Pellegrin CHU de Bordeaux Bordeaux Cedex France
- Laboratoire ImmunoConCEpT UMR CNRS 5164 Université de Bordeaux Bordeaux France
| | - Nicolas Poursac
- Service de Rhumatologie Hôpital Pellegrin CHU de Bordeaux Bordeaux Cedex France
| | - Adrien Naveau
- Unité de Médecine Bucco‐Dentaire Hôpital Pellegrin CHU de Bordeaux Bordeaux France
- Laboratoire BioTis Inserm 1026 Université de Bordeaux Bordeaux France
- UFR des Sciences Odontologiques Université de Bordeaux Bordeaux Cedex France
| | | | - Raphaël Devillard
- Unité de Médecine Bucco‐Dentaire Hôpital Pellegrin CHU de Bordeaux Bordeaux France
- Laboratoire BioTis Inserm 1026 Université de Bordeaux Bordeaux France
- UFR des Sciences Odontologiques Université de Bordeaux Bordeaux Cedex France
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14
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Kérourédan O, Smirani R, Thébaud NB, Devillard R. Diagnosis and Management of Natal and Neonatal Teeth: Case Report of Three Newborns. J Dent Child (Chic) 2018; 85:79-82. [PMID: 30345958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Natal and neonatal teeth are rare features that can lead to various issues, from traumatic injuries and feeding difficulties to more severe problems, such as risk of aspiration due to excessive mobility of teeth. The purpose of this paper is to discuss the diagnosis and management of natal and neonatal teeth, and describe three cases of newborns with natal teeth. Decision processes and management are detailed regarding the specificity of each case. Periodic follow-up is recommended to maintain oral health and prevent any issues related to premature loss or eruption of primary teeth. A close collaboration between pediatricians and dentists should be considered in order to allow early diagnosis and efficient treatment.
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Affiliation(s)
- Olivia Kérourédan
- Department of Restorative Dentistry and Endodontics, University Hospital of Bordeaux, Odontology and Oral Health Services, University of Bordeaux, Faculty of Odontological Sciences, National Institute of Health and Medical Research, Bordeaux, France.
| | - Rawen Smirani
- Department of Oral Medicine, University Hospital of Bordeaux, Odontology and Oral Health Services, University of Bordeaux, Faculty of Odontological Sciences, National Institute of Health and Medical Research, Bordeaux, France
| | - Noëlie-B Thébaud
- Department of Pediatric Dentistry, University Hospital of Bordeaux, Odontology and Oral Health Services, University of Bordeaux, Faculty of Odontological Sciences, National Institute of Health and Medical Research, Bordeaux, France
| | - Raphaël Devillard
- Department of Restorative Dentistry and Endodontics, University Hospital of Bordeaux, Odontology and Oral Health Services, University of Bordeaux, Faculty of Odontological Sciences, National Institute of Health and Medical Research, Bordeaux, France
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15
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Kawecki F, Clafshenkel WP, Auger FA, Bourget JM, Fradette J, Devillard R. Self-assembled human osseous cell sheets as living biopapers for the laser-assisted bioprinting of human endothelial cells. Biofabrication 2018; 10:035006. [PMID: 29638221 DOI: 10.1088/1758-5090/aabd5b] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A major challenge during the engineering of voluminous bone tissues is to maintain cell viability in the central regions of the construct. In vitro prevascularization of bone substitutes relying on endothelial cell bioprinting has the potential to resolve this issue and to replicate the native bone microvasculature. Laser-assisted bioprinting (LAB) commonly uses biological layers of hydrogel, called 'biopapers', to support patterns of printed cells and constitute the basic units of the construct. The self-assembly approach of tissue engineering allows the production of biomimetic cell-derived bone extracellular matrix including living cells. We hypothesized that self-assembled osseous sheets can serve as living biopapers to support the LAB of human endothelial cells and thus guide tubule-like structure formation. Human umbilical vein endothelial cells were bioprinted on the surface of the biopapers following a predefined pattern of lines. The osseous biopapers showed relevant matrix mineralization and pro-angiogenic hallmarks. Our results revealed that formation of tubule-like structures was favored when the cellular orientation within the biopaper was parallel to the printed lines. Altogether, we validated that human osseous cell sheets can be used as biopapers for LAB, allowing the production of human prevascularized cell-based osseous constructs that can be relevant for autologous bone repair applications.
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Affiliation(s)
- F Kawecki
- Centre de recherche en organogénèse expérimentale de l'Université Laval/LOEX, Division of Regenerative Medicine, CHU de Québec Research Center-Université Laval, QC, Canada. Department of Surgery, Faculty of Medicine, Université Laval, Québec, QC, Canada
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16
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Smirani R, Poursac N, Naveau A, Schaeverbeke T, Devillard R, Truchetet ME. Orofacial consequences of systemic sclerosis: A systematic review. J Scleroderma Relat Disord 2018; 3:81-90. [PMID: 35382129 PMCID: PMC8892883 DOI: 10.1177/2397198317746966] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
Orofacial involvement is common and often understated in the treatment clinical guidelines of systemic sclerosis. It impairs daily life by having repercussions on comfort, nutrition, aesthetics and self-confidence. This review aimed at describing exhaustively the different orofacial consequences of systemic sclerosis. A systematic search was conducted using four databases (PubMed, Cochrane Library, Dentistry & Oral Sciences Source and SCOPUS) up to December 2016 according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses. Grey literature and hand search were also included. To be eligible for the inclusion, studies needed to meet the following criteria: randomised controlled trials, cross-sectional studies, case-control studies, pilot studies or cohort studies and full text available in English or French, with abstract. The studies had to concern at least 30 patients suffering from systemic sclerosis and having clinical and radiological oropharyngeal examination. The diagnosis of systemic sclerosis had to be determined according to precise recommendations; the retrieved oropharyngeal manifestations had to affect hard or soft tissues of the mouth and/or pharynx and needed to be evaluated with clinical measures. Study selection, risk bias assessment (Newcastle-Ottawa scale) and data extraction were performed by two independent reviewers. The retrieved features were microstomia and xerostomia associated with real hyposialia, temporomandibular joint symptoms, high caries experience, periodontal diseases as well as an increased risk of oral cavity and pharynx cancer. Early diagnosis enabling early management, prevention and oral hygiene is the key to avoid complicated and invasive procedures. Studies with higher level of evidence remain necessary to create standardised protocols.
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Affiliation(s)
- Rawen Smirani
- Unité de médecine bucco-dentaire,
Hôpital Pellegrin, CHU de Bordeaux, Bordeaux - France
- Laboratoire BioTis, Inserm U1026,
Université de Bordeaux, Bordeaux - France
| | - Nicolas Poursac
- Service de Rhumatologie, Hôpital
Pellegrin, CHU de Bordeaux, Bordeaux - France
| | - Adrien Naveau
- Unité de médecine bucco-dentaire,
Hôpital Pellegrin, CHU de Bordeaux, Bordeaux - France
- Laboratoire BioTis, Inserm U1026,
Université de Bordeaux, Bordeaux - France
- UFR des Sciences d’odontologie,
Université de Bordeaux, Bordeaux - France
| | | | - Raphaël Devillard
- Unité de médecine bucco-dentaire,
Hôpital Pellegrin, CHU de Bordeaux, Bordeaux - France
- Laboratoire BioTis, Inserm U1026,
Université de Bordeaux, Bordeaux - France
- UFR des Sciences d’odontologie,
Université de Bordeaux, Bordeaux - France
| | - Marie-Elise Truchetet
- Service de Rhumatologie, Hôpital
Pellegrin, CHU de Bordeaux, Bordeaux - France
- Laboratoire ImmunoConcEpT, UMR CNRS
5164, Université de Bordeaux, Bordeaux - France
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17
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Guduric V, Metz C, Siadous R, Bareille R, Levato R, Engel E, Fricain JC, Devillard R, Luzanin O, Catros S. Layer-by-layer bioassembly of cellularized polylactic acid porous membranes for bone tissue engineering. J Mater Sci Mater Med 2017; 28:78. [PMID: 28386854 DOI: 10.1007/s10856-017-5887-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Accepted: 03/15/2017] [Indexed: 06/07/2023]
Abstract
The conventional tissue engineering is based on seeding of macroporous scaffold on its surface ("top-down" approach). The main limitation is poor cell viability in the middle of the scaffold due to poor diffusion of oxygen and nutrients and insufficient vascularization. Layer-by-Layer (LBL) bioassembly is based on "bottom-up" approach, which considers assembly of small cellularized blocks. The aim of this work was to evaluate proliferation and differentiation of human bone marrow stromal cells (HBMSCs) and endothelial progenitor cells (EPCs) in two and three dimensions (2D, 3D) using a LBL assembly of polylactic acid (PLA) scaffolds fabricated by 3D printing. 2D experiments have shown maintain of cell viability on PLA, especially when a co-cuture system was used, as well as adequate morphology of seeded cells. Early osteoblastic and endothelial differentiations were observed and cell proliferation was increased after 7 days of culture. In 3D, cell migration was observed between layers of LBL constructs, as well as an osteoblastic differentiation. These results indicate that LBL assembly of PLA layers could be suitable for BTE, in order to promote homogenous cell distribution inside the scaffold and gene expression specific to the cells implanted in the case of co-culture system.
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Affiliation(s)
- Vera Guduric
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France
- Fakultet Tehnickih Nauka, Univerzitet u Novom Sadu, Trg Dositeja Obradovica 3, Novi Sad, 21000, Serbia
| | - Carole Metz
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France
| | - Robin Siadous
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France
| | - Reine Bareille
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France
| | - Riccardo Levato
- Biomaterials for Regenerative Therapies Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Elisabeth Engel
- Biomaterials for Regenerative Therapies Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain
| | - Jean-Christophe Fricain
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France
| | - Raphaël Devillard
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France
| | - Ognjan Luzanin
- Fakultet Tehnickih Nauka, Univerzitet u Novom Sadu, Trg Dositeja Obradovica 3, Novi Sad, 21000, Serbia
| | - Sylvain Catros
- Biotis, Inserm U1026, Université Bordeaux Segalen, 146 rue Léo-Saignat, Case 45, Bordeaux Cedex, 33076, France.
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18
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Kérourédan O, Jallon L, Perez P, Germain C, Péli JF, Oriez D, Fricain JC, Arrivé E, Devillard R. Efficacy of orally administered prednisolone versus partial endodontic treatment on pain reduction in emergency care of acute irreversible pulpitis of mandibular molars: study protocol for a randomized controlled trial. Trials 2017; 18:141. [PMID: 28351379 PMCID: PMC5371272 DOI: 10.1186/s13063-017-1883-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 03/07/2017] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Irreversible pulpitis is a highly painful inflammatory condition of the dental pulp which represents a common dental emergency. Recommended care is partial endodontic treatment. The dental literature reports major difficulties in achieving adequate analgesia to perform this emergency treatment, especially in the case of mandibular molars. In current practice, short-course, orally administered corticotherapy is used for the management of oral pain of inflammatory origin. The efficacy of intraosseous local steroid injections for irreversible pulpitis in mandibular molars has already been demonstrated but resulted in local comorbidities. Oral administration of short-course prednisolone is simple and safe but its efficacy to manage pain caused by irreversible pulpitis has not yet been demonstrated. This trial aims to evaluate the noninferiority of short-course, orally administered corticotherapy versus partial endodontic treatment for the emergency care of irreversible pulpitis in mandibular molars. METHODS/DESIGN This study is a noninferiority, open-label, randomized controlled clinical trial conducted at the Bordeaux University Hospital. One hundred and twenty subjects will be randomized in two 1:1 parallel arms: the intervention arm will receive one oral dose of prednisolone (1 mg/kg) during the emergency visit, followed by one morning dose each day for 3 days and the reference arm will receive partial endodontic treatment. Both groups will receive planned complete endodontic treatment 72 h after enrollment. The primary outcome is the proportion of patients with pain intensity below 5 on a Numeric Scale 24 h after the emergency visit. Secondary outcomes include comfort during care, the number of injected anesthetic cartridges when performing complete endodontic treatment, the number of antalgic drugs and the number of patients coming back for consultation after 72 h. DISCUSSION This randomized trial will assess the ability of short-term corticotherapy to reduce pain in irreversible pulpitis as a simple and rapid alternative to partial endodontic treatment and to enable planning of endodontic treatment in optimal analgesic conditions. TRIAL REGISTRATION ClinicalTrials.gov, identifier: NCT02629042 . Registered on 7 December 2015. (Version n°1.1 28 July 2015).
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Affiliation(s)
- Olivia Kérourédan
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- INSERM, Bioingénierie Tissulaire, U1026, 33076 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
| | - Léonard Jallon
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
| | - Paul Perez
- CHU de Bordeaux, USMR, Pôle Santé publique, 33076 Bordeaux, France
| | | | - Jean-François Péli
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
| | - Dominique Oriez
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
| | - Jean-Christophe Fricain
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- INSERM, Bioingénierie Tissulaire, U1026, 33076 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
| | - Elise Arrivé
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
- INSERM, ISPED, Centre INSERM U-897-Epidemiologie-Biostatistique, Bordeaux Cedex, 33076 France
| | - Raphaël Devillard
- CHU de Bordeaux, Pôle d’Odontologie et de Santé Buccale, 33000 Bordeaux, France
- INSERM, Bioingénierie Tissulaire, U1026, 33076 Bordeaux, France
- Université de Bordeaux, UFR des Sciences Odontologiques, 33082 Bordeaux, France
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Fricain JC, De Olivera H, Devillard R, Kalisky J, Remy M, Kériquel V, Le Nihounen D, Grémare A, Guduric V, Plaud A, L'Heureux N, Amédée J, Catros S. [3D bioprinting in regenerative medicine and tissue engineering]. Med Sci (Paris) 2017; 33:52-59. [PMID: 28120756 DOI: 10.1051/medsci/20173301009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Additive manufacturing covers a number of fashionable technologies that attract the interest of researchers in biomaterials and tissue engineering. Additive manufacturing applied to regenerative medicine covers two main areas: 3D printing and biofabrication. If 3D printing has penetrated the world of regenerative medicine, bioassembly and bioimprinting are still in their infancy. The objective of this paper is to make a non-exhaustive review of these different complementary aspects of additive manufacturing in restorative and regenerative medicine or for tissue engineering.
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Affiliation(s)
| | - Hugo De Olivera
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Raphaël Devillard
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Jérome Kalisky
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Murielle Remy
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Virginie Kériquel
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Damien Le Nihounen
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Agathe Grémare
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Vera Guduric
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Alexis Plaud
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Nicolas L'Heureux
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Joëlle Amédée
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
| | - Sylvain Catros
- Inserm U1026, université de Bordeaux, 146, rue Léo Saignat, 33076 Bordeaux Cedex, France
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Brissaud O, Thébaud NB, Guichoux J, Smirani R, Villega F, Devillard R. Case Report of a Severe Recurrent Tongue Self-Injury in an Infant With Dystonia. Pediatrics 2016; 138:peds.2016-0738. [PMID: 27940768 DOI: 10.1542/peds.2016-0738] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/29/2016] [Indexed: 11/24/2022] Open
Abstract
Dystonia is characterized by sustained or intermittent muscle contractions causing abnormal, often repetitive movements, postures, or both that are typically patterned, twisting, and sometimes tremulous. It is often initiated or worsened by voluntary action and associated with overflow muscle activation. In this article we report a case of severe oromandibular dystonia, which is a specific form of dystonia characterized by involuntary, action-induced tonic or clonic spasms of the masticatory, lingual, and pharyngeal musculature. Episodes of repeated tongue biting in a 17-month-old girl caused her to stay in the PICU for 4 weeks. These episodes were the consequence of dystonia induced by a perinatal stroke. We highlight the specific dental management that enabled us to treat the child without extractions. Facing this type of complex illness, we insist on the importance of interdisciplinary work with the goal of avoiding outdated techniques. The use of botulinum toxin seemed relevant.
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Affiliation(s)
- Oliver Brissaud
- Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Noëlie-Brunehilde Thébaud
- Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France.,Université de Bordeaux, Bordeaux, France; and.,Institut National de la Santé et de la Recherche Médicale, Bioingénierie Tissulaire, Bordeaux, France
| | - Julie Guichoux
- Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Rawen Smirani
- Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France.,Université de Bordeaux, Bordeaux, France; and
| | | | - Raphaël Devillard
- Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France; .,Université de Bordeaux, Bordeaux, France; and.,Institut National de la Santé et de la Recherche Médicale, Bioingénierie Tissulaire, Bordeaux, France
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Desrus H, Chassagne B, Moizan F, Devillard R, Petit S, Kling R, Catros S. Effective parameters for film-free femtosecond laser assisted bioprinting. Appl Opt 2016; 55:3879-3886. [PMID: 27168307 DOI: 10.1364/ao.55.003879] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Optimal conditions for femtosecond laser bioprinting setup are reported on in terms of numerical aperture and accuracy of focal spot location for different bioinks to deposit without using a metallic absorbing layer.
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Devillard R, Rémy M, Kalisky J, Bourget JM, Kérourédan O, Siadous R, Bareille R, Amédée-Vilamitjana J, Chassande O, Fricain JC. In vitroassessment of a collagen/alginate composite scaffold for regenerative endodontics. Int Endod J 2016; 50:48-57. [DOI: 10.1111/iej.12591] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 11/30/2015] [Indexed: 01/08/2023]
Affiliation(s)
- R. Devillard
- Bioingénierie Tissulaire; University Bordeaux; Bordeaux France
- Bioingénierie Tissulaire; INSERM; Bordeaux France
- Service d'Odontologie et de Santé Buccale; CHU de Bordeaux; Bordeaux France
| | - M. Rémy
- Bioingénierie Tissulaire; University Bordeaux; Bordeaux France
- Bioingénierie Tissulaire; INSERM; Bordeaux France
| | - J. Kalisky
- Bioingénierie Tissulaire; University Bordeaux; Bordeaux France
- Bioingénierie Tissulaire; INSERM; Bordeaux France
| | | | - O. Kérourédan
- Bioingénierie Tissulaire; University Bordeaux; Bordeaux France
- Bioingénierie Tissulaire; INSERM; Bordeaux France
- Service d'Odontologie et de Santé Buccale; CHU de Bordeaux; Bordeaux France
| | - R. Siadous
- Bioingénierie Tissulaire; INSERM; Bordeaux France
| | - R. Bareille
- Bioingénierie Tissulaire; INSERM; Bordeaux France
| | | | - O. Chassande
- Bioingénierie Tissulaire; University Bordeaux; Bordeaux France
- Bioingénierie Tissulaire; INSERM; Bordeaux France
| | - J.-C. Fricain
- Bioingénierie Tissulaire; University Bordeaux; Bordeaux France
- Bioingénierie Tissulaire; INSERM; Bordeaux France
- Service d'Odontologie et de Santé Buccale; CHU de Bordeaux; Bordeaux France
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Devillard R, Pagès E, Correa MM, Kériquel V, Rémy M, Kalisky J, Ali M, Guillotin B, Guillemot F. Cell Patterning by Laser-Assisted Bioprinting. Methods Cell Biol 2014; 119:159-74. [DOI: 10.1016/b978-0-12-416742-1.00009-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Brito P, Devillard R, Nègre-Salvayre A, Salvayre R, Auge N. E013 Resveratrol inhibits the mTOR mitogenic signaling evoked by oxidized LDL in smooth muscle cells. Arch Cardiovasc Dis 2009. [DOI: 10.1016/s1875-2136(09)72252-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Brito PM, Devillard R, Nègre-Salvayre A, Almeida LM, Dinis TCP, Salvayre R, Augé N. Resveratrol inhibits the mTOR mitogenic signaling evoked by oxidized LDL in smooth muscle cells. Atherosclerosis 2008; 205:126-34. [PMID: 19108833 DOI: 10.1016/j.atherosclerosis.2008.11.011] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2008] [Revised: 10/24/2008] [Accepted: 11/04/2008] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Smooth muscle cell (SMC) proliferation is a major feature in atherosclerosis, since it contributes to the formation of the fibrous cap, thus to plaque stability, but also to arterial stenosis and post-angioplasty restenosis. Among the various mitogenic signaling pathways involved in SMC proliferation, the mTOR pathway regulates both the cell cycle and cell growth. Resveratrol, a polyphenolic compound from grapes and red wine, has potential anti-atherogenic and anti-cancer properties. This work was designed to investigate the activation of the mTOR pathway by the proatherogenic oxidized LDL (oxLDL) in SMC, and the potential inhibitory effect of resveratrol. RESULTS mTOR and its downstream target p70S6 kinase are phosphorylated and activated by mitogenic concentrations of oxLDL (50 microg/ml), and are involved in SMC proliferation, as assessed by the inhibitory effect of the mTOR inhibitor rapamycin. The activation of mTOR signaling by oxLDL, requires the upstream activation of PI3K and Akt, as assessed by the inhibitory effect of the PI3K inhibitor Ly294002 on mTOR activation and DNA synthesis. Resveratrol blocked the oxLDL-induced phosphorylation and activation of the PI3K/Akt/mTOR/p70S6K pathway and strongly inhibited both the DNA synthesis and proliferation of SMC. This activity is independent of the anti-oxidant effect and of AMPK activation by resveratrol. CONCLUSION These data indicate that the mTOR pathway is activated by oxLDL via PI3K/PDK1/Akt, and is required for SMC proliferation. Resveratrol blocks specifically this pathway, thereby inhibiting oxLDL-induced SMC proliferation. These data highlight a new property for resveratrol that could contribute to the general anti-atherogenic properties of this polyphenol.
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Affiliation(s)
- Paula M Brito
- Laboratory of Biochemistry, Faculty of Pharmacy, and Center for Neurosciences and Cell Biology, University of Coimbra, Coimbra, Portugal
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Georgelin-Gurgel M, Devillard R, Lauret ME, Diemer F, Calas P, Hennequin M. Root canal shaping using rotary nickel-titanium files in preclinical teaching. Odontostomatol Trop 2008; 31:5-11. [PMID: 18623974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
AIMS This study set out to evaluate the prevalence of iatrogenic events during preclinical teaching of endodontics, comparing manual stainless steel versus nickel-titanium (Ni-Ti) rotary techniques for shaping natural root canals. METHOD Two groups of 13 inexperienced dental students were randomly made up and asked to shape 104 canals in natural teeth. Group R used Ni-Ti rotary files for shaping while Group M used a sequence of five manual stainless steel files. Occurrence of file breakage, loss of work length, and iatrogenic instrumentation on apical foramina were evaluated. RESULTS Overall occurrence of adverse events during shaping did not differ between the groups, being 58% in Group R and 51% in Group M. Inter-group distribution of type of event differed significantly, however. File breakage (7.7%) and loss of working length of > 2 mm (6.7%) occurred only in Group R. Iatrogenic shaping on apical foramina showed the same frequency in each group. CONCLUSION Manual instrumentation is safer than rotary instrumentation in the hands of inexperienced students. Acquiring skill in the use of Ni-Ti rotary instrumentation requires specific preclinical training to avert file breakage. These findings argue for the rethinking of theoretical and practical coursework in endodontics teaching, especially in dentistry schools where students are required to treat patients during their training.
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