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Comperat L, Chagot L, Massot S, Stachowicz ML, Dusserre N, Médina C, Desigaux T, Dupuy JW, Fricain JC, Oliveira H. Harnessing Human Placental Membrane-Derived Bioinks: Characterization and Applications in Bioprinting and Vasculogenesis. Adv Healthc Mater 2024; 13:e2303370. [PMID: 37942849 DOI: 10.1002/adhm.202303370] [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: 10/04/2023] [Revised: 11/03/2023] [Indexed: 11/10/2023]
Abstract
Bioprinting applications in the clinical field generate great interest, but developing suitable biomaterial inks for medical settings is a challenge. Placental tissues offer a promising solution due to their abundance, stability, and status as medical waste. They contain basement membrane components, have a clinical history, and support angiogenesis. This study formulates bioinks from two placental tissues, amnion (AM) and chorion (CHO), and compares their unique extracellular matrix (ECM) and growth factor compositions. Rheological properties of the bioinks are evaluated for bioprinting and maturation of human endothelial cells. Both AM and Cho-derived bioinks sustained human endothelial cell viability, proliferation, and maturation, promoting optimal vasculogenesis. These bioinks derived from human sources have significant potential for tissue engineering applications, particularly in supporting vasculogenesis. This research contributes to the advancement of tissue engineering and regenerative medicine, bringing everyone closer to clinically viable bioprinting solutions using placental tissues as valuable biomaterials.
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Affiliation(s)
- Léo Comperat
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Lise Chagot
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Sarah Massot
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Marie-Laure Stachowicz
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Nathalie Dusserre
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Chantal Médina
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Théo Desigaux
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
| | - Jean-William Dupuy
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- University of Bordeaux, Plateforme Protéome, Bordeaux, 33000, France
| | - Jean-Christophe Fricain
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- University of Bordeaux, Plateforme Protéome, Bordeaux, 33000, France
| | - Hugo Oliveira
- University of Bordeaux, Tissue Bioengineering, U1026, Bordeaux, F-33076, France
- Inserm U1026, Tissue Bioengineering, ART BioPrint, Bordeaux, F-33076, France
- CHU Bordeaux, Services d'Odontologie et de Santé Buccale, Bordeaux, F-33076, France
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Rochefort J, Radoi L, Campana F, Fricain JC, Lescaille G. [Oral cavity cancer: A distinct entity]. Med Sci (Paris) 2024; 40:57-63. [PMID: 38299904 DOI: 10.1051/medsci/2023196] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024] Open
Abstract
Oral Squamous cell carcinoma represent the 17th most frequent cancer in the world. The main risk factors are alcohol and tobacco consumption but dietary, familial, genetic, or oral diseases may be involved in oral carcinogenesis. Diagnosis is made on biopsy, but detection remains late, leading to a poor prognosis. New technologies could reduce these delays, notably Artificial Intelligence and the quantitative evaluation of salivary biological markers. Currently, management of oral cancer consists in surgery, which can be mutilating despite possible reconstructions. In the future, immunotherapies could become a therapeutic alternative and the immune microenvironment could constitute a source of prognostic markers.
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Affiliation(s)
- Juliette Rochefort
- Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe hospitalier Pitié-Salpêtrière, Service de médecine bucco-dentaire, Paris, France - Faculté d'odontologie, université Paris Cité, Paris, France - Sorbonne université, Inserm U.1135, Centre d'immunologie et des maladies infectieuses, CIMI-Paris, Paris, France
| | - Lorédana Radoi
- Faculté d'odontologie, université Paris Cité, Paris, France - Centre de recherche en épidémiologie et santé des populations, Inserm U1018, université Paris Saclay
| | - Fabrice Campana
- Aix Marseille Univ, Assistance Publique-Hôpitaux de Marseille (AP-HM), Timone Hospital, Oral Surgery Department, Marseille, France
| | - Jean-Christophe Fricain
- CHU Bordeaux, Dentistry and Oral Health Department, F-33404 Bordeaux, France - Inserm U1026, université de Bordeaux, Tissue Bioengineering (BioTis), F-33076 Bordeaux, France
| | - Géraldine Lescaille
- Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe hospitalier Pitié-Salpêtrière, Service de médecine bucco-dentaire, Paris, France - Faculté d'odontologie, université Paris Cité, Paris, France - Sorbonne université, Inserm U.1135, Centre d'immunologie et des maladies infectieuses, CIMI-Paris, Paris, France
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3
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Berdal A, Lescaille G, Fricain JC. [Oral cavity and teeth, at the heart of health]. Med Sci (Paris) 2024; 40:9. [PMID: 38299896 DOI: 10.1051/medsci/2023188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024] Open
Affiliation(s)
- Ariane Berdal
- FHU DDS Paris-Net, université Paris Cité, Inserm Assistance publique-hôpitaux de Paris (AP-HP), équipe « Physiopathologie orale moléculaire », Centre de recherche des Cordeliers, Inserm U1138, université Paris Cité, Sorbonne université, Paris, France - UFR d'odontologie, université Paris Cité, Paris, France - Centre de référence maladies Rares O-rares, hôpital Rothschild, AP-HP, Paris, Filière TETECOU, European Reference Network CRANIO, Paris, France
| | - Géraldine Lescaille
- UFR odontologie, Faculté de santé, Université Paris Cité, Paris, France - AP-HP, groupe hospitalier Sorbonne-Université,Institut de chirurgie dentaire, Hôpital Pitié-Salpêtrière, Paris, France - Sorbonne université, Inserm U1135, Centre d'immunologie et des maladies infectieuses, CIMI-Paris, Paris, France
| | - Jean-Christophe Fricain
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR1026 Inserm, F-33076 Bordeaux, France - Service de chirurgie orale, Pôle de médecine et chirurgie bucco-dentaire, CHU de Bordeaux, Bordeaux, France
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4
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Catros S, Fénelon M, De Oliveira H, Shayya G, Babilotte J, Chassande O, Fricain JC. [Uses of 3D printing and Bioprinting for pre-implant bone reconstruction in Oral Surgery]. Med Sci (Paris) 2024; 40:92-97. [PMID: 38299910 DOI: 10.1051/medsci/2023202] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024] Open
Abstract
Pre-implant bone surgery in oral surgery allows to reconstruct maxillary atrophies related to traumatic, infectious or tumoral processes. In this context, the ideal biomaterial remains autogenous bone, but biomaterials (of natural or synthetic origin) allow to limit the morbidity linked to bone harvesting, and to simplify these surgical procedures. In this article, we illustrate how 3D printing technologies can be used as an adjuvant to treat bone defects of complex shape or to create anatomical models used to plan interventions. Finally, some perspectives brought by tissue engineering and bioprinting (creation of complex in vitro models) are presented.
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Affiliation(s)
- Sylvain Catros
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR 1026 Inserm, F-33076 Bordeaux, France - Service de chirurgie orale, Pôle de médecine et chirurgie bucco-dentaire, CHU de Bordeaux, Bordeaux, France
| | - Mathilde Fénelon
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR 1026 Inserm, F-33076 Bordeaux, France - Service de chirurgie orale, Pôle de médecine et chirurgie bucco-dentaire, CHU de Bordeaux, Bordeaux, France
| | - Hugo De Oliveira
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR1026 Inserm, ART BioPrint, F-33076 Bordeaux, France
| | - Ghannaa Shayya
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR 1026 Inserm, F-33076 Bordeaux, France
| | - Joanna Babilotte
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR 1026 Inserm, F-33076 Bordeaux, France - Complex Tissue Regeneration department, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Pays-Bas
| | - Olivier Chassande
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR 1026 Inserm, F-33076 Bordeaux, France
| | - Jean-Christophe Fricain
- Université de Bordeaux, Laboratory for the Bioengineering of Tissues (BIOTIS), UMR 1026 Inserm, F-33076 Bordeaux, France - Service de chirurgie orale, Pôle de médecine et chirurgie bucco-dentaire, CHU de Bordeaux, Bordeaux, France
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Ahmed Omar N, Roque J, Galvez P, Siadous R, Chassande O, Catros S, Amédée J, Roques S, Durand M, Bergeaut C, Bidault L, Aprile P, Letourneur D, Fricain JC, Fenelon M. Development of Novel Polysaccharide Membranes for Guided Bone Regeneration: In Vitro and In Vivo Evaluations. Bioengineering (Basel) 2023; 10:1257. [PMID: 38002381 PMCID: PMC10669683 DOI: 10.3390/bioengineering10111257] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/16/2023] [Accepted: 10/20/2023] [Indexed: 11/26/2023] Open
Abstract
INTRODUCTION Guided bone regeneration (GBR) procedures require selecting suitable membranes for oral surgery. Pullulan and/or dextran-based polysaccharide materials have shown encouraging results in bone regeneration as bone substitutes but have not been used to produce barrier membranes. The present study aimed to develop and characterize pullulan/dextran-derived membranes for GBR. MATERIALS AND METHODS Two pullulan/dextran-based membranes, containing or not hydroxyapatite (HA) particles, were developed. In vitro, cytotoxicity evaluation was performed using human bone marrow mesenchymal stem cells (hBMSCs). Biocompatibility was assessed on rats in a subcutaneous model for up to 16 weeks. In vivo, rat femoral defects were created on 36 rats to compare the two pullulan/dextran-based membranes with a commercial collagen membrane (Bio-Gide®). Bone repair was assessed radiologically and histologically. RESULTS Both polysaccharide membranes demonstrated cytocompatibility and biocompatibility. Micro-computed tomography (micro-CT) analyses at two weeks revealed that the HA-containing membrane promoted a significant increase in bone formation compared to Bio-Gide®. At one month, similar effects were observed among the three membranes in terms of bone regeneration. CONCLUSION The developed pullulan/dextran-based membranes evidenced biocompatibility without interfering with bone regeneration and maturation. The HA-containing membrane, which facilitated early bone regeneration and offered adequate mechanical support, showed promising potential for GBR procedures.
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Affiliation(s)
- Naïma Ahmed Omar
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
| | - Jéssica Roque
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
| | - Paul Galvez
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
| | - Robin Siadous
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
| | - Olivier Chassande
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
| | - Sylvain Catros
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
- Department of Oral Surgery, University Hospital of Bordeaux, F-33076 Bordeaux, France
| | - Joëlle Amédée
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
| | - Samantha Roques
- Centre d’Investigation Clinique de Bordeaux (CIC 1401), University Hospital of Bordeaux, INSERM, F-33000 Bordeaux, France (M.D.)
| | - Marlène Durand
- Centre d’Investigation Clinique de Bordeaux (CIC 1401), University Hospital of Bordeaux, INSERM, F-33000 Bordeaux, France (M.D.)
| | - Céline Bergeaut
- Siltiss, SA, Zac de la Nau, 19240 Saint-Viance, France; (C.B.); (L.B.)
| | - Laurent Bidault
- Siltiss, SA, Zac de la Nau, 19240 Saint-Viance, France; (C.B.); (L.B.)
| | - Paola Aprile
- Laboratory for Vascular Translational Science (LVTS), X Bichat Hospital, University Paris Cité & University Sorbonne Paris Nord, INSERM 1148, F-75018 Paris, France
| | - Didier Letourneur
- Siltiss, SA, Zac de la Nau, 19240 Saint-Viance, France; (C.B.); (L.B.)
- Laboratory for Vascular Translational Science (LVTS), X Bichat Hospital, University Paris Cité & University Sorbonne Paris Nord, INSERM 1148, F-75018 Paris, France
| | - Jean-Christophe Fricain
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
- Department of Oral Surgery, University Hospital of Bordeaux, F-33076 Bordeaux, France
- Centre d’Investigation Clinique de Bordeaux (CIC 1401), University Hospital of Bordeaux, INSERM, F-33000 Bordeaux, France (M.D.)
| | - Mathilde Fenelon
- Laboratory for Tissue Bioengineering, University of Bordeaux, INSERM 1026, F-33076 Bordeaux, France; (N.A.O.); (O.C.); (M.F.)
- Department of Oral Surgery, University Hospital of Bordeaux, F-33076 Bordeaux, France
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Díaz-Rodríguez A, Limeres-Posse J, Albuquerque R, Brailo V, Cook R, Fricain JC, Lodi G, Monteiro L, Silva L, Carey B, Diniz-Freitas M. Assessment of the quality of oral biopsy procedure videos shared on YouTube. Oral Dis 2023. [PMID: 37485590 DOI: 10.1111/odi.14690] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 07/25/2023]
Abstract
OBJECTIVE The aim of this study was to assess the quality of free-to-access videos on oral biopsy procedures on the YouTube platform. MATERIALS AND METHODS We conducted a search on YouTube using the term "oral biopsy" and selected the first 100 videos in order of relevance. The following exclusion criteria were applied: language other than English, videos that did not cover oral biopsy techniques, videos on nonhuman specimens, postoperative instructions, personal experiences, exfoliative cytology, or "brush biopsy." Forty-seven selected videos were classified based on their duration, country of origin, date of upload to the system, author, information source and number of views, and likes and dislikes. Video quality was analyzed using DISCERN, the Global Quality Scale (GQS), and the Video Information and Quality Index (VIQI). RESULTS The majority (78.7%) of analyzed videos were uploaded by dentists, originating from India (48.9%), with a mean duration of 11.8 min (SD, 20.4), with 104.5 likes (SD, 186.4) and 7.1 dislikes (SD, 10.55). The mean values for DISCERN, GQS, and VIQI were 1.3 (SD, 0.52), 2.1 (SD, 1.04), and 9.62 (SD, 1.69), respectively. CONCLUSION The majority of videos on oral biopsy published on YouTube are of low quality.
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Affiliation(s)
- A Díaz-Rodríguez
- Oral Medicine Unit, School of Medicine and Dentistry, University Santiago de Compostela, Santiago de Compostela, Spain
| | - J Limeres-Posse
- Special Care Dentistry Unit, School of Medicine and Dentistry, University Santiago de Compostela, Santiago de Compostela, Spain
| | - R Albuquerque
- Guy's Hospital, Faculty of Dentistry, Oral Craniofacial Sciences, King's College London, London, UK
| | - V Brailo
- Oral Medicine Department, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
| | - R Cook
- Guy's Hospital, Faculty of Dentistry, Oral Craniofacial Sciences, King's College London, London, UK
| | - J C Fricain
- Oral Surgery Department, University of Bordeaux, Bordeaux, France
| | - G Lodi
- Dipartimento di ScienzeBiomediche, Chirurgiche e odontoiatriche, UniversitàdegliStudi di Milano, Milan, Italy
| | - L Monteiro
- Oral Medicine and Oral Surgery Department, University Institute of Health Sciences (IUCS), UNIPRO, CESPU, Gandra, Portugal
| | - L Silva
- Oral Medicine and Oral Surgery Department, University Institute of Health Sciences (IUCS), UNIPRO, CESPU, Gandra, Portugal
| | - B Carey
- Guy's Hospital, Faculty of Dentistry, Oral Craniofacial Sciences, King's College London, London, UK
| | - M Diniz-Freitas
- Special Care Dentistry Unit, School of Medicine and Dentistry, University Santiago de Compostela, Santiago de Compostela, Spain
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Louisy A, Rochefort J, Plantier F, Kervarrec T, Quilhot P, Godeau SA, Vigarios E, Misery L, Boisrame S, Bernardeschi C, Tessier MH, Regnault MM, Dauendorffer JN, Le Roux-Villet C, Picard A, Garnier M, De Metz SM, Husson C, Beneton N, Vaillant L, Fricain JC, Samimi M. "Plasma cell gingivitis" encompasses multiple entities: a retrospective series of 37 cases. Eur J Dermatol 2023; 33:109-120. [PMID: 37431113 DOI: 10.1684/ejd.2023.4452] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
BACKGROUND Plasma cell gingivitis is defined as gingival inflammation comprised of plasma cell infiltrates. This diagnostic criterion is non-specific and underlying mechanisms remain unknown. OBJECTIVES We performed a multidisciplinary clinico-pathological review of cases previously identified as "gingivitis with plasma cell infiltrates", with assessment of putative contributing factors and critical appraisal of the final diagnosis. MATERIALS & METHODS Cases previously identified as "gingivitis with plasma cell infiltrates" between 2000 and 2020 were included from archives from the GEMUB group, a French multidisciplinary network of physicians with expertise on oral mucosa. RESULTS Among the 37 included cases, multidisciplinary clinico-pathological review allowed differential diagnosis in seven cases (oral lichen planus n=4, plasma cell granuloma n=1, plasmacytoma n=1, and mucous membrane pemphigoid n=1). The remaining cases were classified as "reactive plasma cell gingivitis" (induced by drugs, trauma/irritation or periodontal disease) (n=18) or "idiopathic plasma cell gingivitis" when no contributing factors were identified (n=12). Clinico-pathological characteristics did not differ significantly between "reactive" and "idiopathic" cases, preventing us from identifying specific features of "idiopathic" plasma cell gingivitis. CONCLUSION "Plasma cell gingivitis" is a polymorphous, non-specific entity with various aetiologies, of which the diagnosis requires multidisciplinary anatomo-clinical correlation for exclusion of secondary causes of plasma cell infiltration. Although our study was limited by its retrospective design, most cases of "plasma cell gingivitis" appeared to be associated with an underlying cause. We propose a diagnostic algorithm to properly investigate such cases.
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Affiliation(s)
- Agathe Louisy
- Université François Rabelais, Tours, France, CHU Tours, Maxillo facial and stomatology Department, Tours, France
| | | | | | | | - Pauline Quilhot
- CHU Paris La Pitié Salpétrière, Anatomopathology Department, Paris, France
| | - Scarlette Agbo Godeau
- CHU Paris La Pitié Salpétrière, Maxillo facial and stomatology Department, Paris, France
| | | | | | | | - Celine Bernardeschi
- CHU Paris La Pitié Salpétrière, Maxillo facial and stomatology Department, Paris, France
| | | | | | | | | | | | | | - Sabine Mares De Metz
- CHU Paris La Pitié Salpétrière, Maxillo facial and stomatology Department, Paris, France
| | | | | | - Loic Vaillant
- Université François Rabelais, Tours, France, CHU Tours, Dermatology Department, Tours, France
| | | | - Mahtab Samimi
- Université François Rabelais, Tours, France, CHU Tours, Dermatology Department, Tours, France
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Ménager L, Ruperto M, Fricain JC, Catros S, Fénelon M. Does surgical removal of mandibular third molar influence the periodontal status of the adjacent second molars? A systematic review. J Oral Med Oral Surg 2023. [DOI: 10.1051/mbcb/2022032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Objective: This study aimed to assess the influence of mandibular third molar surgical removal on the periodontal status of adjacent second molars and to investigate the potential impact of the flap design. Methods: A systematic review of the literature, registered in PROSPERO, has been carried out from Pubmed and Scopus databases following PRISMA guidelines from January 2010 to January 2022. PICO method was used to select the relevant articles. Studies comparing the periodontal status of the second molar before and after mandibular third molar removal were considered. Results: Twenty-three studies involving 1067 patients were included. The two main parameters studied were periodontal pocket depth and clinical attachment level. The envelope flap and the triangular flap were the most commonly used flap techniques. Periodontal health of adjacent second molar was maintained or improved in most of the included studies. The flap design did not seem to have a significant influence either. Conclusion: Avulsion of impacted third molar in healthy young adults does not impair the periodontal health of adjacent second molars. Further studies, with higher levels of evidence, are needed to confirm these results and to identify possible risk factors (such as age, impaction depth or periodontal disease) responsible for poorer healing.
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Gaudet C, Odet S, Meyer C, Chatelain B, Weber E, Parmentier AL, Derruau S, Laurence S, Mauprivez C, Brenet E, Kerdjoudj H, Fenelon M, Fricain JC, Zwetyenga N, Hoarau D, Curien R, Gerard E, Louvrier A, Gindraux F. Reporting Criteria for Clinical Trials on Medication-Related Osteonecrosis of the Jaw (MRONJ): A Review and Recommendations. Cells 2022; 11:4097. [PMID: 36552861 PMCID: PMC9777472 DOI: 10.3390/cells11244097] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 12/01/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a complication caused by anti-resorptive agents and anti-angiogenesis drugs. Since we wanted to write a protocol for a randomized clinical trial (RCT), we reviewed the literature for the essential information needed to estimate the size of the active patient population and measure the effects of therapeutics. At the same time, we designed a questionnaire intended for clinicians to collect detailed information about their practices. Twelve essential criteria and seven additional items were identified and compiled from 43 selected articles. Some of these criteria were incorporated in the questionnaire coupled with data on clinical practices. Our review found extensive missing data and a lack of consensus. For example, the success rate often combined MRONJ stages, diseases, and drug treatments. The occurrence date and evaluation methods were not harmonized or quantitative enough. The primary and secondary endpoints, failure definition, and date coupled to bone measurements were not well established. This information is critical for writing a RCT protocol. With this review article, we aim to encourage authors to contribute all their findings in the field to bridge the current knowledge gap and provide a stronger database for the coming years.
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Affiliation(s)
- Camille Gaudet
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Stephane Odet
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Christophe Meyer
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, F-25000 Besançon, France
| | - Brice Chatelain
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Elise Weber
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Anne-Laure Parmentier
- Unité de Méthodologie, INSERM Centre d’Investigation Clinique 1431, CHU Besançon, F-25000 Besançon, France;
| | - Stéphane Derruau
- Pôle Médecine Bucco-Dentaire, Hôpital Maison Blanche, CHU Reims, F-51092 Reims, France; (S.D.); (S.L.); (C.M.)
- Laboratoire BioSpecT EA-7506, UFR de Pharmacie, Université de Reims Champagne-Ardenne, F-51100 Reims, France
| | - Sébastien Laurence
- Pôle Médecine Bucco-Dentaire, Hôpital Maison Blanche, CHU Reims, F-51092 Reims, France; (S.D.); (S.L.); (C.M.)
- Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, HERVI EA3801 UFR de Médecine, Université de Reims Champagne Ardenne, F-51100 Reims, France
| | - Cédric Mauprivez
- Pôle Médecine Bucco-Dentaire, Hôpital Maison Blanche, CHU Reims, F-51092 Reims, France; (S.D.); (S.L.); (C.M.)
- Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Université de Reims Champagne Ardenne, F-51100 Reims, France;
- UFR d’Odontologie, Université de Reims Champagne Ardenne, F-51100 Reims, France
| | - Esteban Brenet
- Service d’ORL et Chirurgie Cervico-Faciale, CHU Reims, F-51092 Reims, France;
| | - Halima Kerdjoudj
- Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Université de Reims Champagne Ardenne, F-51100 Reims, France;
- UFR d’Odontologie, Université de Reims Champagne Ardenne, F-51100 Reims, France
| | - Mathilde Fenelon
- CHU Bordeaux, Dentistry and Oral Health Department, F-33404 Bordeaux, France; (M.F.); (J.-C.F.)
- INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), F-33076 Bordeaux, France
| | - Jean-Christophe Fricain
- CHU Bordeaux, Dentistry and Oral Health Department, F-33404 Bordeaux, France; (M.F.); (J.-C.F.)
- INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), F-33076 Bordeaux, France
| | - Narcisse Zwetyenga
- Chirurgie Maxillo-Faciale-Stomatologie-Chirurgie Plastique Réparatrice et Esthétique-Chirurgie de La main, CHU Dijon, F-21079 Dijon, France; (N.Z.); (D.H.)
| | - David Hoarau
- Chirurgie Maxillo-Faciale-Stomatologie-Chirurgie Plastique Réparatrice et Esthétique-Chirurgie de La main, CHU Dijon, F-21079 Dijon, France; (N.Z.); (D.H.)
| | - Rémi Curien
- Service d’Odontologie, CHR Metz-Thionville, F-57530 Thionville, France; (R.C.); (E.G.)
| | - Eric Gerard
- Service d’Odontologie, CHR Metz-Thionville, F-57530 Thionville, France; (R.C.); (E.G.)
| | - Aurélien Louvrier
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
- INSERM, EFS BFC, UMR1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Université Bourgogne Franche-Comté, F-25000 Besançon, France
| | - Florelle Gindraux
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, F-25000 Besançon, France
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10
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Grémare A, Thibes L, Gluais M, Torres Y, Potart D, Da Silva N, Dusserre N, Fénelon M, Senthilhes L, Lacomme S, Svahn I, Gontier É, Fricain JC, L'Heureux N. Development of a vascular substitute produced by weaving yarn made from human amniotic membrane. Biofabrication 2022; 14. [PMID: 35896106 DOI: 10.1088/1758-5090/ac84ae] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 07/27/2022] [Indexed: 11/12/2022]
Abstract
Because synthetic vascular prostheses perform poorly in small-diameter revascularization, biological vascular substitutes are being developed as an alternative. Although their in vivo results are promising, their production involves long, complex, and expensive tissue engineering methods. To overcome these limitations, we propose an innovative approach that combines the human amniotic membrane (HAM), which is a widely available and cost-effective biological raw material, with a rapid and robust textile-inspired assembly strategy. Fetal membranes were collected after cesarean deliveries at term. Once isolated by dissection, HAM sheets were cut into ribbons that could be further processed by twisting into threads. Characterization of the HAM yarns (both ribbons and threads) showed that their physical and mechanical properties could be easily tuned. Since our clinical strategy will be to provide an off-the-shelf allogeneic implant, we studied the effects of decellularization and/or gamma sterilization on the histological, mechanical, and biological properties of HAM ribbons. Gamma irradiation of hydrated HAMs, with or without decellularization, did not interfere with the ability of the matrix to support endothelium formation in vitro. Finally, our HAM-based, woven tissue-engineered vascular grafts (TEVGs) exhibited clinically relevant mechanical properties. Thus, this study demonstrates that human, completely biological, allogeneic, small-diameter TEVGs can be produced from HAM, thereby avoiding costly cell culture and bioreactors.
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Affiliation(s)
- Agathe Grémare
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Lisa Thibes
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Maude Gluais
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Yoann Torres
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Diane Potart
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Nicolas Da Silva
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Nathalie Dusserre
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Mathilde Fénelon
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Loïc Senthilhes
- Obstetrics and Gynecology, CHU de Bordeaux, Hopital Pellegrin, 146, Rue Léo Saignat, Bordeaux, Aquitaine, 33076, FRANCE
| | - Sabrina Lacomme
- University of Bordeaux, 146, Rue Léo Saignat, Bordeaux, Aquitaine, 33000, FRANCE
| | - Isabelle Svahn
- University of Bordeaux, 146, Rue Léo Saignat, Bordeaux, Aquitaine, 33000, FRANCE
| | - Étienne Gontier
- University of Bordeaux, 146, Rue Léo Saignat, Bordeaux, Aquitaine, 33000, FRANCE
| | - Jean-Christophe Fricain
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
| | - Nicolas L'Heureux
- Heath Sciences and Technologies, University of Bordeaux, Campus Carreire, 146, Rue Léo Saignat, Bâtiment 4A, 2ième étage, Case 84, Bordeaux, Aquitaine, 33076, FRANCE
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11
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Odet S, Meyer C, Gaudet C, Weber E, Quenot J, Derruau S, Laurence S, Bompy L, Girodon M, Chatelain B, Mauprivez C, Brenet E, Kerdjoudj H, Zwetyenga N, Marchetti P, Hatzfeld AS, Toubeau D, Pouthier F, Lafarge X, Redl H, Fenelon M, Fricain JC, Di Pietro R, Ledouble C, Gualdi T, Parmentier AL, Louvrier A, Gindraux F. Tips and Tricks and Clinical Outcome of Cryopreserved Human Amniotic Membrane Application for the Management of Medication-Related Osteonecrosis of the Jaw (MRONJ): A Pilot Study. Front Bioeng Biotechnol 2022; 10:936074. [PMID: 35935507 PMCID: PMC9355383 DOI: 10.3389/fbioe.2022.936074] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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: 05/04/2022] [Accepted: 06/13/2022] [Indexed: 01/08/2023] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a complication of certain pharmacological treatments such as bisphosphonates, denosumab, and angiogenesis inhibitors. There are currently no guidelines on its management, particularly in advanced stages. The human amniotic membrane (hAM) has low immunogenicity and exerts anti-inflammatory, antifibrotic, antimicrobial, antiviral, and analgesic effects. It is a source of stem cells and growth factors promoting tissue regeneration. hAM acts as an anatomical barrier with suitable mechanical properties (permeability, stability, elasticity, flexibility, and resorbability) to prevent the proliferation of fibrous tissue and promote early neovascularization at the surgical site. In oral surgery, hAM stimulates healing and facilitates the proliferation and differentiation of epithelial cells in the oral mucosa and therefore its regeneration. We proposed using cryopreserved hAM to eight patients suffering from cancer (11 lesions) with stage 2–3 MRONJ on a compassionate use basis. A collagen sponge was added in some cases to facilitate hAM grafting. One or three hAMs were applied and one patient had a reapplication. Three patients had complete closure of the surgical site with proper epithelialization at 2 weeks, and two of them maintained it until the last follow-up. At 1 week after surgery, three patients had partial wound dehiscence with partial healing 3 months later and two patients had complete wound dehiscence. hAM reapplication led to complete healing. All patients remained asymptomatic with excellent immediate significant pain relief, no infections, and a truly positive impact on the patients’ quality of life. No adverse events occurred. At 6 months of follow-up, 80% of lesions had complete or partial wound healing (30 and 50%, respectively), while 62.5% of patients were in stage 3. Radiological evaluations found that 85.7% of patients had stable bone lesions (n = 5) or new bone formation (n = 1). One patient had a worsening MRONJ but remained asymptomatic. One patient did not attend his follow-up radiological examination. For the first time, this prospective pilot study extensively illustrates both the handling and surgical application of hAM in MRONJ, its possible association with a collagen sponge scaffold, its outcome at the site, the application of multiple hAM patches at the same time, and its reapplication.
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Affiliation(s)
- Stéphane Odet
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
| | - Christophe Meyer
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, Besançon, France
| | - Camille Gaudet
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
| | - Elise Weber
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
| | - Julie Quenot
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
| | - Stéphane Derruau
- Pôle Médecine bucco-dentaire, Hôpital Maison Blanche, CHU Reims, Reims, France
- Université de Reims Champagne-Ardenne, Laboratoire BioSpecT EA-7506, UFR de Pharmacie, Reims, France
| | - Sebastien Laurence
- Pôle Médecine bucco-dentaire, Hôpital Maison Blanche, CHU Reims, Reims, France
- Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, HERVI EA3801, UFR de Médecine, Reims, France
| | - Lisa Bompy
- Chirurgie Maxillo-Faciale - Stomatologie - Chirurgie Plastique Réparatrice et Esthétique - Chirurgie de la main, CHU de Dijon, Dijon, France
| | - Marine Girodon
- Chirurgie Maxillo-Faciale - Stomatologie - Chirurgie Plastique Réparatrice et Esthétique - Chirurgie de la main, CHU de Dijon, Dijon, France
| | - Brice Chatelain
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
| | - Cédric Mauprivez
- Pôle Médecine bucco-dentaire, Hôpital Maison Blanche, CHU Reims, Reims, France
- Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Reims, France
- UFR d’Odontologie, Université de Reims Champagne Ardenne, Reims, France
| | - Esteban Brenet
- Service d’ORL et chirurgie cervico-faciale, CHU Reims, Reims, France
| | - Halima Kerdjoudj
- Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Reims, France
- UFR d’Odontologie, Université de Reims Champagne Ardenne, Reims, France
| | - Narcisse Zwetyenga
- Chirurgie Maxillo-Faciale - Stomatologie - Chirurgie Plastique Réparatrice et Esthétique - Chirurgie de la main, CHU de Dijon, Dijon, France
| | - Philippe Marchetti
- Banque de Tissus CBP CHU Lille, Lille, France
- Institut de Cancérologie ONCOLILLE CANTHER, UMR9020 CNRS–U1277 Inserm—Université de Lille, Lille, France
| | - Anne-Sophie Hatzfeld
- Banque de Tissus CBP CHU Lille, Lille, France
- Institut de Cancérologie ONCOLILLE CANTHER, UMR9020 CNRS–U1277 Inserm—Université de Lille, Lille, France
| | | | - Fabienne Pouthier
- Activité d’Ingénierie Cellulaire et Tissulaire (AICT), Établissement Français du Sang Bourgogne Franche-Comté, Besançon, France
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France
| | - Xavier Lafarge
- Établissement Français du Sang Nouvelle-Aquitaine, Bordeaux, France
- INSERM U1035, Université de Bordeaux, Biothérapie des Maladies Génétiques Inflammatoires et Cancers (BMGIC), Bordeaux, France
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology/AUVA, Research Center, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Mathilde Fenelon
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
- CHU Bordeaux, Service de chirurgie orale, Bordeaux, France
| | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
- CHU Bordeaux, Service de chirurgie orale, Bordeaux, France
| | - Roberta Di Pietro
- Department of Medicine and Ageing Sciences, Gabriele D’Annunzio University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, Gabriele D’Annunzio Foundation, University of Chieti-Pescara, Chieti, Italy
| | - Charlotte Ledouble
- Pôle Médecine bucco-dentaire, Hôpital Maison Blanche, CHU Reims, Reims, France
- Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Reims, France
- UFR d’Odontologie, Université de Reims Champagne Ardenne, Reims, France
| | | | | | - Aurélien Louvrier
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France
| | - Florelle Gindraux
- Service de chirurgie maxillo-faciale, stomatologie et odontologie hospitalière, CHU Besançon, Besançon, France
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, Besançon, France
- *Correspondence: Florelle Gindraux,
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12
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Ahmed Omar N, Amédée J, Letourneur D, Fricain JC, Fenelon M. Recent Advances of Pullulan and/or Dextran-Based Materials for Bone Tissue Engineering Strategies in Preclinical Studies: A Systematic Review. Front Bioeng Biotechnol 2022; 10:889481. [PMID: 35845411 PMCID: PMC9280711 DOI: 10.3389/fbioe.2022.889481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/23/2022] [Indexed: 12/09/2022] Open
Abstract
Bone tissue engineering (BTE) strategies are increasingly investigated to overcome the limitations of currently used bone substitutes and to improve the bone regeneration process. Among the natural polymers used for tissue engineering, dextran and pullulan appear as natural hydrophilic polysaccharides that became promising biomaterials for BTE. This systematic review aimed to present the different published applications of pullulan and dextran-based biomaterials for BTE. An electronic search in Pubmed, Scopus, and Web of Science databases was conducted. Selection of articles was performed following PRISMA guidelines. This systematic review led to the inclusion of 28 articles on the use of pullulan and/or dextran-based biomaterials to promote bone regeneration in preclinical models. Sixteen studies focused on dextran-based materials for bone regeneration, six on pullulan substitutes and six on the combination of pullulan and dextran. Several strategies have been developed to provide bone regeneration capacity, mainly through their fabrication processes (functionalization methods, cross-linking process), or the addition of bioactive elements. We have summarized here the strategies employed to use the polysaccharide scaffolds (fabrication process, composition, application usages, route of administration), and we highlighted their relevance and limitations for BTE applications.
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Affiliation(s)
| | - Joëlle Amédée
- Université de Bordeaux, INSERM U1026, BIOTIS, Bordeaux, France
| | - Didier Letourneur
- SILTISS, Saint-Viance, France
- Université Paris Cité, Université Sorbonne Paris Nord, INSERM U1148, LVTS, X Bichat Hospital, Université de Paris, Paris, France
| | - Jean-Christophe Fricain
- Université de Bordeaux, INSERM U1026, BIOTIS, Bordeaux, France
- Service de Chirurgie Orale, CHU Bordeaux, Bordeaux, France
| | - Mathilde Fenelon
- Université de Bordeaux, INSERM U1026, BIOTIS, Bordeaux, France
- Service de Chirurgie Orale, CHU Bordeaux, Bordeaux, France
- *Correspondence: Mathilde Fenelon,
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13
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Verit I, Gemini L, Preterre J, Pfirmann P, Bakis H, Fricain JC, Kling R, Rigothier C. Vascularization of Cell-Laden Microfibres by Femtosecond Laser Processing. Int J Mol Sci 2022; 23:ijms23126636. [PMID: 35743076 PMCID: PMC9224315 DOI: 10.3390/ijms23126636] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 10/29/2022] Open
Abstract
To face the increasing demand for organ transplantation, currently the development of tissue engineering appears as the best opportunity to effectively regenerate functional tissues and organs. However, these approaches still face the lack of an efficient method to produce an efficient vascularization system. To answer these issues, the formation of an intra-volume channel within a three-dimensional, scaffold free, mature, and cell-covered collagen microfibre is here investigated through laser-induced cavitation. An intra-volume channel was formed upon irradiation with a near-infrared, femtosecond laser beam, focused with a high numerical aperture lens. The laser beam directly crossed the surface of a dense and living-cell bilayer and was focused behind the bilayer to induce channel formation in the hydrogel core while preserving the cell bilayer. Channel formation was assessed through confocal microscopy. Channel generation inside the hydrogel core was enhanced by the formation of voluminous cavitation bubbles with a lifetime longer than 30 s, which also improved intra-volume channel durability. Twenty-four hours after laser processing, cellular viability dropped due to a lack of sufficient hydration for processing longer than 10 min. However, the processing automation could drastically reduce the cellular mortality, this way enabling the formation of hollowed microfibres with a high density of living-cell outer bilayer.
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Affiliation(s)
- Isabel Verit
- ALPhANOV, Institut d’Optique d’Aquitaine, Rue François Mitterrand, 33400 Talence, France; (I.V.); (R.K.)
- Department of Tissue Bioengineering, Université de Bordeaux, Rue François Mitterrand, 33076 Bordeaux, France; (J.P.); (P.P.); (H.B.); (J.-C.F.); (C.R.)
- Department of Tissue Bioengineering, Institut National de la Santé et de la Recherche Médicale (INSERM) U1026, 33076 Bordeaux, France
| | - Laura Gemini
- ALPhANOV, Institut d’Optique d’Aquitaine, Rue François Mitterrand, 33400 Talence, France; (I.V.); (R.K.)
- Correspondence:
| | - Julie Preterre
- Department of Tissue Bioengineering, Université de Bordeaux, Rue François Mitterrand, 33076 Bordeaux, France; (J.P.); (P.P.); (H.B.); (J.-C.F.); (C.R.)
- Department of Tissue Bioengineering, Institut National de la Santé et de la Recherche Médicale (INSERM) U1026, 33076 Bordeaux, France
- Service de Néphrologie, Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Place Amélie Raba Léon, 33000 Bordeaux, France
| | - Pierre Pfirmann
- Department of Tissue Bioengineering, Université de Bordeaux, Rue François Mitterrand, 33076 Bordeaux, France; (J.P.); (P.P.); (H.B.); (J.-C.F.); (C.R.)
- Department of Tissue Bioengineering, Institut National de la Santé et de la Recherche Médicale (INSERM) U1026, 33076 Bordeaux, France
- Service de Néphrologie, Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Place Amélie Raba Léon, 33000 Bordeaux, France
| | - Hugo Bakis
- Department of Tissue Bioengineering, Université de Bordeaux, Rue François Mitterrand, 33076 Bordeaux, France; (J.P.); (P.P.); (H.B.); (J.-C.F.); (C.R.)
- Department of Tissue Bioengineering, Institut National de la Santé et de la Recherche Médicale (INSERM) U1026, 33076 Bordeaux, France
- Service de Néphrologie, Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Place Amélie Raba Léon, 33000 Bordeaux, France
| | - Jean-Christophe Fricain
- Department of Tissue Bioengineering, Université de Bordeaux, Rue François Mitterrand, 33076 Bordeaux, France; (J.P.); (P.P.); (H.B.); (J.-C.F.); (C.R.)
- Department of Tissue Bioengineering, Institut National de la Santé et de la Recherche Médicale (INSERM) U1026, 33076 Bordeaux, France
- Service d’Odontologie et de Santé Buccale, Centre Hospitalier Universitaire de Bordeaux, Place Amélie Raba Léon, 33000 Bordeaux, France
| | - Rainer Kling
- ALPhANOV, Institut d’Optique d’Aquitaine, Rue François Mitterrand, 33400 Talence, France; (I.V.); (R.K.)
| | - Claire Rigothier
- Department of Tissue Bioengineering, Université de Bordeaux, Rue François Mitterrand, 33076 Bordeaux, France; (J.P.); (P.P.); (H.B.); (J.-C.F.); (C.R.)
- Department of Tissue Bioengineering, Institut National de la Santé et de la Recherche Médicale (INSERM) U1026, 33076 Bordeaux, France
- Service de Néphrologie, Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Place Amélie Raba Léon, 33000 Bordeaux, France
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14
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Douillet C, Nicodeme M, Hermant L, Bergeron V, Guillemot F, Fricain JC, Oliveira H, Garcia M. From local to global matrix organization by fibroblasts: a 4D laser-assisted bioprinting approach. Biofabrication 2021; 14. [PMID: 34875632 DOI: 10.1088/1758-5090/ac40ed] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 12/07/2021] [Indexed: 11/11/2022]
Abstract
Fibroblasts and myofibroblasts play a central role in skin homeostasis through dermal organization and maintenance. Nonetheless, the dynamic interactions between (myo)fibroblasts and the extracellular matrix (ECM) remain poorly exploited in skin repair strategies. Indeed, there is still an unmet need for soft tissue models allowing to study the spatial-temporal remodeling properties of (myo)fibroblasts. In vivo, wound healing studies in animals are limited by species specificity. In vitro, most models rely on collagen gels reorganized by randomly distributed fibroblasts. But biofabrication technologies have significantly evolved over the past ten years. High-resolution bioprinting now allows to investigate various cellular micropatterns and the emergent tissue organizations over time. In order to harness the full dynamic properties of cells and active biomaterials, it is essential to consider "time" as the 4th dimension in soft tissue design. Following this 4D bioprinting approach, we aimed to develop a novel model that could replicate fibroblast dynamic remodeling in vitro. For this purpose, (myo)fibroblasts were patterned on collagen gels with laser-assisted bioprinting (LAB) to study the generated matrix deformations and reorganizations. First, distinct populations, mainly composed of fibroblasts or myofibroblasts, were established in vitro to account for the variety of fibroblastic remodeling properties. Then, LAB was used to organize both populations on collagen gels in even isotropic patterns with high resolution, high density and high viability. With maturation, bioprinted patterns of fibroblasts and myofibroblasts reorganized into dispersed or aggregated cells, respectively. Stress-release contraction assays revealed that these phenotype-specific pattern maturations were associated with distinct lattice tension states. The two populations were then patterned in anisotropic rows in order to direct the cell-generated deformations and to orient global matrix remodeling. Only maturation of anisotropic fibroblast patterns, but not myofibroblasts, resulted in collagen anisotropic reorganizations both at tissue-scale, with lattice contraction, and at microscale, with embedded microbead displacements. Following a 4D bioprinting approach, LAB patterning enabled to elicit and orient the dynamic matrix remodeling mechanisms of distinct fibroblastic populations and organizations on collagen. For future studies, this method provides a new versatile tool to investigate in vitro dermal organizations and properties, processes of remodeling in healing, and new treatment opportunities.
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Affiliation(s)
- Camille Douillet
- Bioingénierie tissulaire, Université de Bordeaux, 146 rue Léo Saignat, Bordeaux, Aquitaine, 33076, FRANCE
| | - Marc Nicodeme
- Poietis, 27 Allée Charles Darwin, Pessac, 33600, FRANCE
| | - Loïc Hermant
- Poietis, 27 Allée Charles Darwin, Pessac, 33600, FRANCE
| | | | | | - Jean-Christophe Fricain
- Bioingénierie tissulaire, Université de Bordeaux, 146 rue Léo Saignat, Bordeaux, 33076, FRANCE
| | - Hugo Oliveira
- Bioingénierie tissulaire, Université de Bordeaux, 146 rue Léo Saignat, Bordeaux, 33076, FRANCE
| | - Mikael Garcia
- Poietis, 27 Allée Charles Darwin, Pessac, 33600, FRANCE
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15
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Gulameabasse S, Gindraux F, Catros S, Fricain JC, Fenelon M. Chorion and amnion/chorion membranes in oral and periodontal surgery: A systematic review. J Biomed Mater Res B Appl Biomater 2021; 109:1216-1229. [PMID: 33354857 DOI: 10.1002/jbm.b.34783] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [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: 08/31/2020] [Revised: 11/13/2020] [Accepted: 12/08/2020] [Indexed: 12/20/2022]
Abstract
The aim of this study was to perform a systematic review on the clinical applications where chorion membrane (CM) and amnion/chorion membrane (ACM) were used for oral tissue regeneration procedures. Selection of articles was carried out by two evaluators in Pubmed and Scopus databases, and Outcomes (PICO) method was used to select the relevant articles. Clinical studies reporting the use of CM or ACM for oral soft and hard tissue regeneration were included. The research involved 21 studies conducted on 375 human patients. Seven clinical applications of CM and ACM in oral and periodontal surgery were identified: gingival recession treatment, intrabony and furcation defect treatment, alveolar ridge preservation, keratinized gum width augmentation around dental implants, maxillary sinus membrane repair, and large bone defect reconstruction. CM and ACM were compared to negative controls (conventional surgeries without membrane) or to the following materials: collagen membranes, dense polytetrafluoroethylene membranes, platelet-rich fibrin membranes, amnion membranes, and to a bone substitute. Several studies support the use of CM and ACM as an efficient alternative to current techniques for periodontal and oral soft tissue regeneration procedures. However, further studies are necessary to increase the level of evidence and especially to demonstrate their role for bone regeneration.
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Affiliation(s)
- Sarah Gulameabasse
- Département de chirurgie orale, UFR d'Odontologie, Université de Bordeaux, 46 rue Léo-Saignat, Bordeaux, France
| | - Florelle Gindraux
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, Besançon, France
- Service de Chirurgie Orthopédique, Traumatologique et Plastique, CHU Besançon, Besançon, France
| | - Sylvain Catros
- Département de chirurgie orale, UFR d'Odontologie, Université de Bordeaux, 46 rue Léo-Saignat, Bordeaux, France
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
| | - Jean-Christophe Fricain
- Département de chirurgie orale, UFR d'Odontologie, Université de Bordeaux, 46 rue Léo-Saignat, Bordeaux, France
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
| | - Mathilde Fenelon
- Département de chirurgie orale, UFR d'Odontologie, Université de Bordeaux, 46 rue Léo-Saignat, Bordeaux, France
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
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16
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Lebret C, Garot E, Amorim Pereira M, Fricain JC, Catros S, Fénelon M. Perioperative outcomes of frenectomy using laser versus conventional surgery: a systematic review. J Oral Med Oral Surg 2021. [DOI: 10.1051/mbcb/2021010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: Frenectomy is an oral surgical procedure usually performed with a scalpel. Several authors recently reported the interest of laser, as a minimally invasive and efficient alternative tool to perform frenectomy. This study aimed to compare the perioperative management of patients requiring a frenectomy using scalpel versus laser. Materials and methods: A systematic review of the literature has been carried out from Pubmed and Scopus databases following PRISMA guidelines. PICO method was used to select the relevant articles. Clinical studies comparing the perioperative outcomes of patients requiring frenectomies using scalpel versus laser were included. Results: Ten articles involving 375 patients were included. Pre-operative parameter (anxiety before surgery) and per-operative data such as anesthesia, surgery duration, bleeding, suture and difficulty were assessed. The post-operative outcomes investigated were pain, analgesics use, functional discomfort, edema, healing and satisfaction of patients. Laser achieved satisfactory peri-operative outcomes such as shorter operative time, without suturing requirement, as well as less post-operative pain and functional discomfort. Discussion: The low number of eligible studies, the different type of lasers used and heterogeneity across the methodology of the selected studies were the limits of the study. Conclusion: Laser-assisted surgery became an attractive tool to perform oral soft tissue surgery.
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17
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Odet S, Louvrier A, Meyer C, Nicolas FJ, Hofman N, Chatelain B, Mauprivez C, Laurence S, Kerdjoudj H, Zwetyenga N, Fricain JC, Lafarge X, Pouthier F, Marchetti P, Gauthier AS, Fenelon M, Gindraux F. Surgical Application of Human Amniotic Membrane and Amnion-Chorion Membrane in the Oral Cavity and Efficacy Evaluation: Corollary With Ophthalmological and Wound Healing Experiences. Front Bioeng Biotechnol 2021; 9:685128. [PMID: 34178969 PMCID: PMC8222622 DOI: 10.3389/fbioe.2021.685128] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/06/2021] [Indexed: 12/11/2022] Open
Abstract
Due to its intrinsic properties, there has been growing interest in human amniotic membrane (hAM) in recent years particularly for the treatment of ocular surface disorders and for wound healing. Herein, we investigate the potential use of hAM and amnion-chorion membrane (ACM) in oral surgery. Based on our analysis of the literature, it appears that their applications are very poorly defined. There are two options: implantation or use as a cover material graft. The oral cavity is submitted to various mechanical and biological stimulations that impair membrane stability and maintenance. Thus, some devices have been combined with the graft to secure its positioning and protect it in this location. This current opinion paper addresses in detail suitable procedures for hAM and ACM utilization in soft and hard tissue reconstruction in the oral cavity. We address their implantation and/or use as a covering, storage format, application side, size and number, multilayer use or folding, suture or use of additional protective covers, re-application and resorption/fate. We gathered evidence on pre- and post-surgical care and evaluation tools. Finally, we integrated ophthalmological and wound healing practices into the collected information. This review aims to help practitioners and researchers better understand the application of hAM and ACM in the oral cavity, a place less easily accessible than ocular or cutaneous surfaces. Additionally, it could be a useful reference in the generation of new ideas for the development of innovative protective covering, suturing or handling devices in this specific indication. Finally, this overview could be considered as a position paper to guide investigators to fulfill all the identified criteria in the future.
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Affiliation(s)
- Stéphane Odet
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, Besançon, France
| | - Aurélien Louvrier
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, Besançon, France.,Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR 1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France
| | - Christophe Meyer
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, Besançon, France.,Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, Besançon, France
| | | | - Nicola Hofman
- Deutsche Gesellschaft für Gewebetransplantation (DGFG), Hannover, Germany
| | - Brice Chatelain
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, Besançon, France
| | - Cédric Mauprivez
- Pôle Médecine Bucco-dentaire, Hôpital Maison Blanche, CHU Reims, Reims, France.,Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, UFR d'Odontologie, Reims, France
| | - Sébastien Laurence
- Pôle Médecine Bucco-dentaire, Hôpital Maison Blanche, CHU Reims, Reims, France.,Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, HERVI EA3801, UFR de Médecine, Reims, France
| | - Halima Kerdjoudj
- Université de Reims Champagne Ardenne, Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, UFR d'Odontologie, Reims, France
| | - Narcisse Zwetyenga
- Chirurgie Maxillo-Faciale - Stomatologie - Chirurgie Plastique Réparatrice et Esthétique - Chirurgie de la main, CHU de Dijon, Dijon, France.,Université Bourgogne Franche-Comté, Besançon, France
| | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France.,CHU Bordeaux, Service de chirurgie orale, Bordeaux, France
| | - Xavier Lafarge
- Établissement Français du Sang Nouvelle-Aquitaine, Bordeaux, France/INSERM U1035, Université de Bordeaux, Biothérapie des Maladies Génétiques Inflammatoires et Cancers (BMGIC), Bordeaux, France
| | - Fabienne Pouthier
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR 1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France.,Établissement Français du Sang Bourgogne Franche-Comté, Besançon, France
| | - Philippe Marchetti
- CNRS, INSERM, UMR-9020-UMR-S 1277 Canther, Banque de Tissus CHU Lille, Lille, France
| | - Anne-Sophie Gauthier
- Université Bourgogne Franche-Comté, Besançon, France.,Service d'ophtalmologie, CHU Besançon, Besançon, France
| | - Mathilde Fenelon
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France.,CHU Bordeaux, Service de chirurgie orale, Bordeaux, France
| | - Florelle Gindraux
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, Besançon, France.,Service de Chirurgie Orthopédique, Traumatologique et Plastique, CHU Besançon, Besançon, France
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18
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Fénelon M, Fricain JC. Medication-related osteonecrosis of jaws revisited through the bone inherited disorders: what do we know? J Oral Med Oral Surg 2021. [DOI: 10.1051/mbcb/2021015] [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: 11/14/2022] Open
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19
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Maurel DB, Fénelon M, Aid-Launais R, Bidault L, Le Nir A, Renard M, Fricain JC, Letourneur D, Amédée J, Catros S. Bone regeneration in both small and large preclinical bone defect models using an injectable polymer-based substitute containing hydroxyapatite and reconstituted with saline or autologous blood. J Biomed Mater Res A 2021; 109:1840-1848. [PMID: 33797182 DOI: 10.1002/jbm.a.37176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 09/28/2020] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 01/12/2023]
Abstract
Microbeads consisting of pullulan and dextran supplemented with hydroxyapatite have recently been developed for bone tissue engineering applications. Here, we evaluate the bone formation in two different preclinical models after injection of microbeads reconstituted with either saline buffer or autologous blood. Addition of saline solution or autologous blood to dried microbeads packaged into syringes allowed an easy injection. In the first rat bone defect model performed in the femoral condyle, microcomputed tomography performed after 30 and 60 days revealed an important mineralization process occurring around and within the core of the microbeads in both conditions. Bone volume/total volume measurements revealed no significant differences between the saline solution and the autologous blood groups. Histologically, osteoid tissue was evidenced around and in contact of the microbeads in both conditions. Using the sinus lift model performed in sheep, cone beam computed tomography revealed an important mineralization inside the sinus cavity for both groups after 3 months of implantation. Representative Masson trichrome staining images showed that bone formation occurs at the periphery and inside the microbeads in both conditions. Quantitative evaluation of the new bone formation displayed no significant differences between groups. In conclusion, reconstitution of microbeads with autologous blood did not enhance the regenerative capacity of these microbeads compared to the saline buffer group. This study is of particular interest for clinical applications in oral and maxillofacial surgery.
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Affiliation(s)
- Delphine B Maurel
- Tissue Bioengineering, INSERM U1026, University of Bordeaux, Bordeaux, France
| | - Mathilde Fénelon
- Tissue Bioengineering, INSERM U1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
| | - Rachida Aid-Launais
- INSERM U1148, LVTS, Université Sorbonne Paris Nord, X Bichat Hospital, Université de Paris, Paris, France.,INSERM UMS-34, FRIM, X Bichat School of Medicine, Université de Paris, Paris, France
| | | | - Alice Le Nir
- Tissue Bioengineering, INSERM U1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
| | | | - Jean-Christophe Fricain
- Tissue Bioengineering, INSERM U1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
| | - Didier Letourneur
- INSERM U1148, LVTS, Université Sorbonne Paris Nord, X Bichat Hospital, Université de Paris, Paris, France.,SA, Zac de la Nau, SILTISS, Saint-Viance, France
| | - Joëlle Amédée
- Tissue Bioengineering, INSERM U1026, University of Bordeaux, Bordeaux, France
| | - Sylvain Catros
- Tissue Bioengineering, INSERM U1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
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20
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Fenelon M, Etchebarne M, Siadous R, Grémare A, Durand M, Sentilhes L, Catros S, Gindraux F, L'Heureux N, Fricain JC. Comparison of amniotic membrane versus the induced membrane for bone regeneration in long bone segmental defects using calcium phosphate cement loaded with BMP-2. Mater Sci Eng C Mater Biol Appl 2021; 124:112032. [PMID: 33947534 DOI: 10.1016/j.msec.2021.112032] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 03/03/2021] [Accepted: 03/05/2021] [Indexed: 12/12/2022]
Abstract
Thanks to its biological properties, the human amniotic membrane (HAM) combined with a bone substitute could be a single-step surgical alternative to the two-step Masquelet induced membrane (IM) technique for regeneration of critical bone defects. However, no study has directly compared these two membranes. We first designed a 3D-printed scaffold using calcium phosphate cement (CPC). We assessed its suitability in vitro to support human bone marrow mesenchymal stromal cells (hBMSCs) attachment and osteodifferentiation. We then performed a rat femoral critical size defect to compare the two-step IM technique with a single-step approach using the HAM. Five conditions were compared. Group 1 was left empty. Group 2 received the CPC scaffold loaded with rh-BMP2 (CPC/BMP2). Group 3 and 4 received the CPC/BMP2 scaffold covered with lyophilized or decellularized/lyophilized HAM. Group 5 underwent a two- step induced membrane procedure with insertion of a polymethylmethacrylate (PMMA) spacer followed by, after 4 weeks, its replacement with the CPC/BMP2 scaffold wrapped in the IM. Micro-CT and histomorphometric analysis were performed after six weeks. Results showed that the CPC scaffold supported the proliferation and osteodifferentiation of hBMSCs in vitro. In vivo, the CPC/BMP2 scaffold very efficiently induced bone formation and led to satisfactory healing of the femoral defect, in a single-step, without autograft or the need for any membrane covering. In this study, there was no difference between the two-step induced membrane procedure and a single step approach. However, the results indicated that none of the tested membranes further enhanced bone healing compared to the CPC/BMP2 group.
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Affiliation(s)
- Mathilde Fenelon
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France; CHU Bordeaux, Service de chirurgie orale, F-33076 Bordeaux, France.
| | - Marion Etchebarne
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France; CHU Bordeaux, Department of maxillofacial surgery, F-33076 Bordeaux, France
| | - Robin Siadous
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France
| | - Agathe Grémare
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France; CHU Bordeaux, Odontology and Oral Health Department, F-33076 Bordeaux, France
| | - Marlène Durand
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France; CHU Bordeaux, CIC 1401, 33000, Bordeaux, France; INSERM, CIC 1401, 33000 Bordeaux, France
| | - Loic Sentilhes
- CHU Bordeaux, Department of Obstetrics and Gynecology, F-33076, Bordeaux, France
| | - Sylvain Catros
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France; CHU Bordeaux, Service de chirurgie orale, F-33076 Bordeaux, France
| | - Florelle Gindraux
- Service de Chirurgie Orthopédique, Traumatologique et Plastique, CHU Besançon, F-25000 Besançon, France; Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, F-25000 Besançon, France
| | | | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, BIOTIS, U1026, F-33000 Bordeaux, France; CHU Bordeaux, Service de chirurgie orale, F-33076 Bordeaux, France
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21
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Jaouen F, Tessier MH, Vaillant L, Azib-Meftah S, Misery L, Bénéton N, Delaporte E, Kaddour A, Ingen-Housz-Oro S, Nahon S, Masson-Regnault M, Sibaud V, Fricain JC, Bessis D, Girard C, Samimi M. Response to systemic therapies in granulomatous cheilitis: Retrospective multicenter series of 61 patients. J Am Acad Dermatol 2021; 86:667-669. [PMID: 33621604 DOI: 10.1016/j.jaad.2021.02.047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 01/17/2023]
Affiliation(s)
- Frédéric Jaouen
- Université François Rabelais, Tours, France; Dermatology Department, CHU Tours, Tours, France
| | - Marie-Hélène Tessier
- CHU Nantes, Dermatology Department and Maxillofacial Surgery Department, Nantes, France
| | - Loic Vaillant
- Université François Rabelais, Tours, France; Dermatology Department, CHU Tours, Tours, France
| | | | | | | | | | - Amina Kaddour
- Oral Pathology and Surgery Department, CHU Mustapha, Sidi M'Hamed, Algeria
| | | | - Stéphane Nahon
- Gastroenterology Department, Le Raincy Montfermeil Hospital, Montfermeil, France
| | | | | | | | - Didier Bessis
- Dermatology Department, CHU Montpellier, Montpellier, France
| | - Celine Girard
- Dermatology Department, CHU Montpellier, Montpellier, France
| | - Mahtab Samimi
- Université François Rabelais, Tours, France; Dermatology Department, CHU Tours, Tours, France.
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22
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Etchebarne M, Fricain JC, Kerdjoudj H, Di Pietro R, Wolbank S, Gindraux F, Fenelon M. Use of Amniotic Membrane and Its Derived Products for Bone Regeneration: A Systematic Review. Front Bioeng Biotechnol 2021; 9:661332. [PMID: 34046400 PMCID: PMC8144457 DOI: 10.3389/fbioe.2021.661332] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 04/13/2021] [Indexed: 02/05/2023] Open
Abstract
Thanks to their biological properties, amniotic membrane (AM), and its derivatives are considered as an attractive reservoir of stem cells and biological scaffolds for bone regenerative medicine. The objective of this systematic review was to assess the benefit of using AM and amniotic membrane-derived products for bone regeneration. An electronic search of the MEDLINE-Pubmed database and the Scopus database was carried out and the selection of articles was performed following PRISMA guidelines. This systematic review included 42 articles taking into consideration the studies in which AM, amniotic-derived epithelial cells (AECs), and amniotic mesenchymal stromal cells (AMSCs) show promising results for bone regeneration in animal models. Moreover, this review also presents some commercialized products derived from AM and discusses their application modalities. Finally, AM therapeutic benefit is highlighted in the reported clinical studies. This study is the first one to systematically review the therapeutic benefits of AM and amniotic membrane-derived products for bone defect healing. The AM is a promising alternative to the commercially available membranes used for guided bone regeneration. Additionally, AECs and AMSCs associated with an appropriate scaffold may also be ideal candidates for tissue engineering strategies applied to bone healing. Here, we summarized these findings and highlighted the relevance of these different products for bone regeneration.
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Affiliation(s)
- Marion Etchebarne
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
- CHU Bordeaux, Department of Maxillofacial Surgery, Bordeaux, France
| | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
- CHU Bordeaux, Service de Chirurgie Orale, Bordeaux, France
| | - Halima Kerdjoudj
- Université de Reims Champagne Ardenne, EA 4691, Biomatériaux et Inflammation en Site Osseux (BIOS), Reims, France
- Université de Reims Champagne Ardenne, UFR d'Odontologie, Reims, France
| | - Roberta Di Pietro
- Department of Medicine and Ageing Sciences, Gabriele D'Annunzio University of Chieti-Pescara, Chieti, Italy
- StemTeCh Group, Gabriele D'Annunzio Foundation, Gabriele D'Annunzio University of Chieti-Pescara, Chieti, Italy
| | - Susanne Wolbank
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Florelle Gindraux
- Service de Chirurgie Orthopédique, Traumatologique et Plastique, CHU Besançon, Besançon, France
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, Besançon, France
| | - Mathilde Fenelon
- Univ. Bordeaux, INSERM, BIOTIS, U1026, Bordeaux, France
- CHU Bordeaux, Service de Chirurgie Orale, Bordeaux, France
- *Correspondence: Mathilde Fenelon
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23
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Cuvellier M, Ezan F, Oliveira H, Rose S, Fricain JC, Langouët S, Legagneux V, Baffet G. 3D culture of HepaRG cells in GelMa and its application to bioprinting of a multicellular hepatic model. Biomaterials 2020; 269:120611. [PMID: 33385685 DOI: 10.1016/j.biomaterials.2020.120611] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [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: 03/09/2020] [Revised: 11/24/2020] [Accepted: 12/14/2020] [Indexed: 12/15/2022]
Abstract
Bioprinting is an emergent technology that has already demonstrated the capacity to create complex and/or vascularized multicellular structures with defined and organized architectures, in a reproducible and high throughput way. Here, we present the implementation of a complex liver model by the development of a three-dimensional extrusion bioprinting process, including parameters for matrix polymerization of methacrylated gelatin, using two hepatic cell lines, Huh7 and HepaRG. The printed structures exhibited long-term viability (28 days), proliferative ability, a relevant hepatocyte phenotype and functions equivalent to or better than those of their 2D counterparts using standard DMSO treatment. This work served as a basis for the bioprinting of complex multicellular models associating the hepatic parenchymal cells, HepaRG, with stellate cells (LX-2) and endothelial cells (HUVECs), able of colonizing the surface of the structure and thus recreating a pseudo endothelial barrier. When bioprinted in 3D monocultures, LX-2 expression was modulated by TGFβ-1 toward the induction of myofibroblastic genes such as ACTA2 and COL1A1. In 3D multicellular bioprinted structures comprising HepaRG, LX-2 and endothelial cells, we evidenced fibrillar collagen deposition, which is never observed in monocultures of either HepaRG or LX-2 alone. These observations indicate that a precise control of cellular communication is required to recapitulate key steps of fibrogenesis. Bioprinted 3D co-cultures therefore open up new perspectives in studying the molecular and cellular basis of fibrosis development and provide better access to potential inducers and inhibitors of collagen expression and deposition.
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Affiliation(s)
- Marie Cuvellier
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé́, Environnement et Travail) - UMR_S, 1085, Rennes, France.
| | - Frédéric Ezan
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé́, Environnement et Travail) - UMR_S, 1085, Rennes, France
| | - Hugo Oliveira
- Université de Bordeaux, Bioingénierie Tissulaire, 146, Rue Léo Saignat, 33076, Bordeaux, France; Inserm U1026, Bioingénierie Tissulaire, 146, Rue Léo Saignat, 33076, Bordeaux, France
| | - Sophie Rose
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé́, Environnement et Travail) - UMR_S, 1085, Rennes, France
| | - Jean-Christophe Fricain
- Université de Bordeaux, Bioingénierie Tissulaire, 146, Rue Léo Saignat, 33076, Bordeaux, France; Inserm U1026, Bioingénierie Tissulaire, 146, Rue Léo Saignat, 33076, Bordeaux, France; CHU Bordeaux, Services D'Odontologie et de Santé Buccale, F-33076, Bordeaux, France
| | - Sophie Langouët
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé́, Environnement et Travail) - UMR_S, 1085, Rennes, France
| | - Vincent Legagneux
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé́, Environnement et Travail) - UMR_S, 1085, Rennes, France
| | - Georges Baffet
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé́, Environnement et Travail) - UMR_S, 1085, Rennes, France.
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24
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Pasquier C, Tisné-Versailles S, Fénélon M, Catros S, Fricain JC. Two white sponge nevus in a single family: case report. J Oral Med Oral Surg 2020. [DOI: 10.1051/mbcb/2020046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: White Sponge Nevus (WSN) is a leukokeratosis characterized by white lesions of the oral mucosa. These lesions are bilateral, thickened and raised compared to the adjacent mucosa. Their aspect are folded and spongy. It is a benign disorder with asymptomatics lesions which often appear during the childhood or the adolescence. The interest of this case report is that the diagnostic of WSN had been established directly, thanks to the presence of the patient's father. Observation: A twelve years old patient was examined in the unity of the oral mucosa pathology and oro-facials pain, of the oral surgery service of Bordeaux hospital (CHU de Bordeaux, France). He presented typical WSN lesions. His father was examined and presented the same lesions. Discussion: Diagnostic of WSN is mainly a clinical examination. There are a lot of differential diagnosis, and leukoplakia is the principal. In case of doubt about the diagnostic, a histological examination can be done. Nowadays, there is no consensus about the therapeutic. But the lesions are mainly asymptomatics, so any treatment has to be planed. Conclusion: An early WSN diagnosis avoids to patients a non adapted treatment and reassures young patients and their parents.
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25
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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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26
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Abstract
Introduction: Pterygoid hamulus syndrome (PHS) is a little-known differential diagnosis of orofacial pain. It is characterized by oropharyngeal pain, secondary to inflammatory bursitis of the tensor veli muscle of post-traumatic origin, frequently fostered by an associated hypertrophy of the hamular process. Observation: A 64-year-old female patient, type 2 diabetic, consulted for constant posterior palatal pain located near to 17, lasting for 10 years. The inspection did not reveal any mucosal lesions. Right hamulus palpation increased the pain and revealed hamulus hypertrophy. A diagnosis of PHS was evoked. Comment: A review of the literature is proposed. The treatment of PHS is initially conservative, but a surgical treatment can be proposed in case of morphological anomalies. Conclusion: PHS is a little-known syndrome whose diagnosis must be mentioned by the oral surgeon faced with chronic oropharyngeal pain. The diagnosis is clinical and radiological, the treatment is medical and/or surgical.
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27
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Hakobyan D, Médina C, Dusserre N, Stachowicz ML, Handschin C, Fricain JC, Guillermet-Guibert J, Oliveira H. Corrigendum: Laser-assisted 3D bioprinting of exocrine pancreas spheroid models for cancer initiation study (2020 Biofabrication 12 035001). Biofabrication 2020. [DOI: 10.1088/1758-5090/aba1fb] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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de Gabory L, Boudard P, Bessède JP, Maillard A, Lacomme S, Gontier E, Durand M, Fricain JC, Bénard A, Bordenave L. Multicenter Pilot Study to Assess a Biphasic Calcium Phosphate Implant for Functional and Aesthetic Septorhinoplasty. Facial Plast Surg Aesthet Med 2020; 23:321-329. [PMID: 32700976 DOI: 10.1089/fpsam.2020.0184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Importance: A validated biomaterial would have several medical advantages in septorhinoplasties requiring a large-volume graft such as avoiding donor site morbidity, making ambulatory surgery possible, and reducing surgical costs. Objective: To assess the safety and efficacy of a ceramic to treat saddle and crooked noses. The main endpoint was the biocompatibility of the implant. The secondary endpoint was its functional and aesthetic efficacy. Design, Setting, and Participants: The nasal septum (NASEPT) study is a pilot multicenter noncomparative prospective phase IIa clinical trial. The biomaterial tested was a biphasic calcium phosphate implant composed of 75% hydroxyapatite and 25% beta tri calcium phosphate. This versatile material can be used to replace septal skeleton when it is absent or nonusable. We included 25 patients with a multifractured osseous and cartilaginous framework after several traumas or surgeries. The implant placement technique was identical to an extracorporeal septoplasty through the external approach. Main Outcomes and Measures: The primary endpoint was the occurrence of expected adverse and severe adverse events. The secondary endpoints were clinical functional and aesthetic results and histological microscopic modifications. Results: Any extrusion, infection, pain, and epistaxis were observed. All implants were placed in a sagittal, straight, and solid position without extralobular depression. Comparisons between pre- and postoperative symptoms showed that nasal comfort (p < 10-4) and quality of life (p < 10-4) were dramatically improved in all patients. The nasolabial angle (p = 0.047) and the columellar projection (p = 0.024) were improved after surgery. Histological data showed little submucosal inflammation at 6 months with well-differentiated epithelium. The mean follow-up was 23 months: three patients underwent revision surgery for functional or aesthetic details and four implants were removed (16%) owing to a foreign body reaction between 17 and 74 months. Conclusion and Relevance: The NASEPT implant meets functional and aesthetic requirements in complex septorhinoplasties but its long-term biocompatibility needs to be improved. It could potentially avoid donor site morbidity.
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Affiliation(s)
- Ludovic de Gabory
- University Hospital of Bordeaux, Department of Otorhinolaryngology, Bordeaux, France.,CHU Bordeaux, CIC 14-01 IT, Bordeaux, France.,University of Bordeaux, Bordeaux, France
| | - Philippe Boudard
- Department of Otorhinolaryngology, Saint Augustin Hospital, Bordeaux, France
| | | | - Aline Maillard
- CHU Bordeaux, Public Health Unit, Clinical Epidemiology Unit (USMR) & CIC 14-01 EC, Bordeaux, France
| | - Sabrina Lacomme
- University of Bordeaux, UMS 3420 CNRS, US4 INSERM, Bordeaux Imaging Center, Bordeaux, France
| | - Etienne Gontier
- University of Bordeaux, UMS 3420 CNRS, US4 INSERM, Bordeaux Imaging Center, Bordeaux, France
| | - Marlène Durand
- CHU Bordeaux, CIC 14-01 IT, Bordeaux, France.,University of Bordeaux, Bordeaux, France.,INSERM, Tissue Bioengineering, U1026, Bordeaux, France
| | | | - Antoine Bénard
- CHU Bordeaux, Public Health Unit, Clinical Epidemiology Unit (USMR) & CIC 14-01 EC, Bordeaux, France
| | - Laurence Bordenave
- CHU Bordeaux, CIC 14-01 IT, Bordeaux, France.,University of Bordeaux, Bordeaux, France.,INSERM, Tissue Bioengineering, U1026, Bordeaux, France
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29
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Vérit I, Gemini L, Fricain JC, Kling R, Rigothier C. Intra-volume processing of gelatine hydrogel by femtosecond laser-induced cavitation. Lasers Med Sci 2020; 36:197-206. [PMID: 32594349 DOI: 10.1007/s10103-020-03081-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 04/23/2020] [Accepted: 06/16/2020] [Indexed: 11/26/2022]
Abstract
Cell oxygenation and nutrition are crucial for the viability of tissue-engineered constructs, and different alternatives are currently being developed to achieve an adequate vascularisation of the engineered tissue. One of the alternatives is the generation of channel-like patterns in a bioconstruct. Here, the formation of full-formed channels inside hydrogels by laser-induced cavitation was investigated. A near-infrared, femtosecond laser beam focused with a high numerical aperture was employed to obtain intra-volume modifications of a block of gelatine hydrogel. Characterisation of the laser-processed gelatine was carried out by optical microscopy and epifluorescence microscopy right after and 24 h after the laser process. Rheology analyses on the unprocessed gelatine blocks were conducted to better understand the cavitation mechanism taking place during the intense laser interaction. Different cavitation patterns were observed at varying dose values by changing the repetition rate and the overlap between successive pulses while keeping the laser fluence and the number of passes fixed. This way, cavitation bubble features and behaviour can be controlled to optimise the formation of intra-volume channels in the gelatine volume. Results showed that the generation of fully formed channels was linked to the formation of large non-spherical cavitation bubbles during the laser interaction at high dose and low repetition rates. In conclusion, the formation of fully formed channels was made possible with a near-infrared, femtosecond laser beam strongly focused inside gelatine hydrogel blocks through laser-induced cavitation at high dose and low repetition rates.
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Affiliation(s)
- Isabel Vérit
- ALPhANOV, Institut d'Optique d'Aquitaine, Talence, France.
- Tissue Bioengineering, Université de Bordeaux, INSERM U1026, Bordeaux, France.
| | - Laura Gemini
- ALPhANOV, Institut d'Optique d'Aquitaine, Talence, France
| | - Jean-Christophe Fricain
- Tissue Bioengineering, Université de Bordeaux, INSERM U1026, Bordeaux, France
- Servide d'Odontologie et de Santé Buccale, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - Rainer Kling
- ALPhANOV, Institut d'Optique d'Aquitaine, Talence, France
| | - Claire Rigothier
- Tissue Bioengineering, Université de Bordeaux, INSERM U1026, Bordeaux, France
- Service de Néphrologie, Transplantation, Dialyse et Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
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30
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Fenelon M, Etchebarne M, Siadous R, Grémare A, Durand M, Sentilhes L, Torres Y, Catros S, Gindraux F, L'Heureux N, Fricain JC. Assessment of fresh and preserved amniotic membrane for guided bone regeneration in mice. J Biomed Mater Res A 2020; 108:2044-2056. [PMID: 32319212 DOI: 10.1002/jbm.a.36964] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [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: 09/07/2019] [Revised: 03/23/2020] [Accepted: 03/28/2020] [Indexed: 12/13/2022]
Abstract
Thanks to its biological properties, the human amniotic membrane (HAM) can be used as a barrier membrane for guided bone regeneration (GBR). However, no study has assessed the influence of the preservation method of HAM for this application. This study aimed to establish the most suitable preservation method of HAM for GBR. Fresh (F), cryopreserved (C) lyophilized (L), and decellularized and lyophilized (DL) HAM were compared. The impact of preservation methods on collagen and glycosaminoglycans (GAG) content was evaluated using Masson's trichrome and alcian blue staining. Their suture retention strengths were assessed. In vitro, the osteogenic potential of human bone marrow mesenchymal stromal cells (hBMSCs) cultured on the four HAMs was evaluated using alkaline phosphatase staining and alizarin red quantification assay. In vivo, the effectiveness of fresh and preserved HAMs for GBR was assessed in a mice diaphyseal bone defect after 1 week or 1 month healing. Micro-CT and histomorphometric analysis were performed. The major structural components of HAM (collagen and GAG) were preserved whatever the preservation method used. The tearing strength of DL-HAM was significantly higher. In vitro, hBMSCs seeded on DL-HAM displayed a stronger ALP staining, and alizarin red staining quantification was significantly higher at Day 14. In vivo, L-HAM and DL-HAM significantly enhanced early bone regeneration. One month after the surgery, only DL-HAM slightly promoted bone regeneration. Several preserving methods of HAM have been studied for bone regeneration. Here, we have demonstrated that DL-HAM achieved the most promising results for GBR.
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Affiliation(s)
- Mathilde Fenelon
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
| | - Marion Etchebarne
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France.,Department of Maxillofacial Surgery, CHU Bordeaux, Bordeaux, France
| | - Robin Siadous
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France
| | - Agathe Grémare
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France.,Department of Odontology and Oral Health, CHU Bordeaux, Bordeaux, France
| | - Marlène Durand
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France.,CHU Bordeaux, CIC 1401, Bordeaux, France.,INSERM, CIC 1401, Bordeaux, France
| | - Loic Sentilhes
- Department of Obstetrics and Gynecology, Bordeaux University Hospital, University of Bordeaux, Bordeaux, France
| | - Yoann Torres
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France
| | - Sylvain Catros
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
| | - Florelle Gindraux
- Department of Orthopedic, Traumatology & Plastic Surgery, University Hospital of Besançon, Besançon, France.,Nanomedicine Lab, Imagery and Therapeutics (EA 4662), SFR FED 4234, University of Franche-Comté, Besançon, France
| | - Nicolas L'Heureux
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France
| | - Jean-Christophe Fricain
- INSERM, Laboratory BioTis, UMR 1026, University of Bordeaux, Bordeaux, France.,Department of Oral Surgery, CHU Bordeaux, Bordeaux, France
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31
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Hakobyan D, Médina C, Dusserre N, Stachowicz ML, Handschin C, Fricain JC, Guillermet-Guibert J, Oliveira H. Laser-assisted 3D bioprinting of exocrine pancreas spheroid models for cancer initiation study. Biofabrication 2020; 12:035001. [PMID: 32131058 DOI: 10.1088/1758-5090/ab7cb8] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is the most common malignancy of the pancreas. It has shown a poor prognosis and a rising incidence in the developed world. Other pathologies associated with this tissue include pancreatitis, a risk condition for pancreatic cancer. The onset of both pancreatitis and pancreatic cancer follows a common pattern: exocrine pancreatic acinar cells undergo a transdifferentiation to duct cells that triggers a 3D restructuration of the pancreatic tissue. However, the exact mechanism underlying this process remains partially undefined. Further understanding the cellular events leading to PDAC could open new avenues in the development of novel therapeutic approaches. Since current 2D cell culture models fail to mimic the tridimensional complexity of the pancreatic tissue, new in vitro models are urgently needed. Here, we generated 3D pancreatic cell spheroid arrays using laser-assisted bioprinting and characterized their phenotypic evolution over time through image analysis and phenotypic characterization. We show that these bioprinted spheroids, composed of both acinar and ductal cells, can replicate the initial stages of PDAC development. This bioprinted miniaturized spheroid-based array model should prove useful for the study of the internal and external factors that contribute to the formation of precursor PDAC lesions and to cancer progression, and may therefore shed light on future PDAC therapy strategies.
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Affiliation(s)
- Davit Hakobyan
- Bioingénierie tissulaire, Université de Bordeaux, 146, rue Léo Saignat 33076, Bordeaux, France. Bioingénierie tissulaire, Inserm U1026, 146, rue Léo Saignat 33076, Bordeaux, France. Both authors have contributed equally to this work
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32
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Samimi M, Le Gouge A, Boralevi F, Passeron T, Pascal F, Bernard P, Agbo-Godeau S, Leducq S, Fricain JC, Vaillant L, Francès C. Topical rapamycin versus betamethasone dipropionate ointment for treating oral erosive lichen planus: a randomized, double-blind, controlled study. J Eur Acad Dermatol Venereol 2020; 34:2384-2391. [PMID: 32128907 DOI: 10.1111/jdv.16324] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 02/18/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND Although superpotent topical corticosteroids are the first-line treatment for oral erosive lichen planus (OELP), topical rapamycin was found efficient in a previous case series. OBJECTIVES To compare the efficacy and safety of topical rapamycin and betamethasone dipropionate ointment for OELP in a randomized, double-blind trial. METHODS Patients were randomized to receive treatment with betamethasone dipropionate ointment 0.05% in Orabase® or topical rapamycin solution (1 mg/mL) on lesions twice daily for 3 months, followed by 3 months of observation. The primary outcome was clinical remission after 3 months of treatment. Secondary outcomes were clinical remission after 1 and 2 months, reduced oral pain and reduced impact on food intake after 3 months, clinical recurrence after treatment withdrawal, and adverse events. RESULTS During a 4-year period, 76 patients were randomized and 75 received treatment (rapamycin, n = 39; betamethasone, n = 36). At 3 months, 39.4% of patients with betamethasone and 27.3% with rapamycin showed clinical remission (odds ratio 0.68, 95% CI [0.24; 1.89]; P = 0.46). Rates of remission after 1 and 2 months, reduction in pain and impact on food intake after 3 months, were higher with betamethasone than rapamycin. Recurrence of oral erosions was similar between groups. Adverse events occurred in 43.6% of patients with rapamycin (mostly burning sensation, impaired taste) and 27.8% with betamethasone (mostly oral candidiasis). CONCLUSION Although the study was limited by insufficient recruitment, we did not find any superiority of topical rapamycin over betamethasone dipropionate ointment for OELP. Given the rapid remission and pain improvement in the betamethasone group, it appears that superpotent topical corticosteroids should remain the first-line treatment for OELP.
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Affiliation(s)
- M Samimi
- Department of Dermatology, University Hospital of Tours, University of Tours, Tours, France.,ISP 1282 INRA University of Tours, Tours, France
| | - A Le Gouge
- Biometrical Department, Centre d'Investigation Clinique, INSERM CIC1415, University Hospital of Tours, Tours, France
| | - F Boralevi
- Department of Dermatology, National Centre for Rare Skin Disorders, University Hospital of Bordeaux and INSERM U1035, Bordeaux, France
| | - T Passeron
- Department of Dermatology, CHU Nice, INSERM U1065, Centre Méditerranéen de Médecine Moléculaire (C3M), Université Côte d'Azur, Nice, France
| | - F Pascal
- Department of Dermatology and Stomatology, Saint-Louis Hospital, AP-HP, Université Paris 7-Diderot, Paris, France
| | - P Bernard
- Department of Dermatology, Reims University Hospital, University of Reims-Champagne-Ardenne, Reims, France
| | - S Agbo-Godeau
- Department of Stomatology and Maxillo-Facial Surgery, Groupe hospitalier Pitié-Salpêtrière-Charles-Foix, AP-HP, Paris, France
| | - S Leducq
- Department of Dermatology, University Hospital of Tours, University of Tours, Tours, France.,Biometrical Department, Centre d'Investigation Clinique, INSERM CIC1415, University Hospital of Tours, Tours, France
| | - J C Fricain
- Department of Dentistry and Oral Health, Inserm U1026 Bioingénierie Tissulaire - BioTis, Bordeaux, University Hospital of Bordeaux, France
| | - L Vaillant
- Department of Dermatology, University Hospital of Tours, University of Tours, Tours, France
| | - C Francès
- Department of Dermatology and Allergology, Hospital Tenon, Université Paris VI Pierre et Marie Curie, Sorbonnes Universités, Paris, France
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33
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Abstract
Bioprinting is a novel technological approach that has the potential to solve unmet questions in the field of tissue engineering. Laser-assisted bioprinting (LAB), due to its unprecedented cell printing resolution and precision, is an attractive tool for the in situ printing of a bone substitute. Here, we describe the protocol for LAB and its use for the in situ bioprinting of mesenchymal stromal cells, associated with collagen and nanohydroxyapatite, in order to favor bone regeneration in a calvaria defect model in mice.
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Affiliation(s)
- Davit Hakobyan
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
| | - Olivia Kerouredan
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
- Services d'Odontologie et de Santé Buccale, CHU Bordeaux, Bordeaux, France
| | - Murielle Remy
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
| | - Nathalie Dusserre
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
| | - Chantal Medina
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
| | - Raphael Devillard
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
- Services d'Odontologie et de Santé Buccale, CHU Bordeaux, Bordeaux, France
| | - Jean-Christophe Fricain
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France
- Tissue Bioengineering, Inserm, Bordeaux, France
- Services d'Odontologie et de Santé Buccale, CHU Bordeaux, Bordeaux, France
| | - Hugo Oliveira
- Tissue Bioengineering, University of Bordeaux, Bordeaux, France.
- Tissue Bioengineering, Inserm, Bordeaux, France.
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Fricain JC, Fenelon M, Baschet L, Catros S, Glock N, Lerici S, Gaston R, Perez P, Doussau A. Reproducibility of tissue autofluorescence for screening potentially malignant disorders. J Oral Med Oral Surg 2020. [DOI: 10.1051/mbcb/2020037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: Direct tissue autofluorescence (AF) visualization devices such as VELscope® are gaining interest to improve early detection of oral potentially malignant disorders (OPMD) and cancers. The main objective of this study was to assess inter-observer reproducibility of incandescent light (IL) and AF observations for OPMD and cancer. Materials and methods: High risk patients (exposed to alcohol or tobacco) were screened by two independent operators with a conventional oral examination (IL) followed by AF examination. The primary endpoint was the inter-observer agreement on the decision to biopsy assessed by kappa coefficients.Accuracy of IL and AF were estimated by the relative true positive rate (RTPR, increase of sensitivity), relative false positive rate (RFPR, loss of specificity) and their ratio. Results: 179 patients were included. 833 lesions were identified after IL and AF. Indication for biopsy was retrieved for 41 patients (61 lesions). Inter-observer agreement on the indications for biopsy was 93.3% after IL (Kappa coefficient 0.88 [0.80, 0.97]) and 96.1% after IL and AF (Kappa coefficient 0.78 [0.66, 0.90]). RTPR was 1.2, RFPR was 1 and their ratio was 1.2. Conclusion: IL and AF examination has shown good inter-observer reproducibility. Adjunction of AF allowed diagnosing more leukoplakia without dysplasia.
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Abstract
Benign migratory glossitis or geographic tongue is a benign condition that usually manifests as asymptomatic erythematous and migratory circinate patches, involving the lateral and dorsal aspects of the tongue. Extra-lingual lesions uncommonly occur and are mainly located on labial and buccal mucosae, lips and floor of the mouth. The present report describes one patient with a geographic lesion on the hard palate associated with lingual lesions and another patient who had multiple geographic lesions both in the hard and soft palate without lingual lesions. We found 64 cases in the English literature of ectopic locations with 22 palate involvement. No case of simultaneous involvement of the hard and the soft palate was found.
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Affiliation(s)
- Fabrice Campana
- Department of Dentistry, Timone Hospital, Assistance Publique- Hôpitaux de Marseille, Aix Marseille University, Marseille, France
| | - Emmanuelle Vigarios
- Department of Oral Medicine, Institut Claudius Regaud, Institut Universitaire du Cancer, Toulouse Oncopole, Toulouse, France
| | | | - Vincent Sibaud
- Department of Oncodermatology, Institut Claudius Regaud, Institut Universitaire du Cancer, Toulouse Oncopole, Toulouse, France
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Grémare A, Jean-Gilles S, Musqui P, Magnan L, Torres Y, Fénelon M, Brun S, Fricain JC, L'Heureux N. Cartography of the mechanical properties of the human amniotic membrane. J Mech Behav Biomed Mater 2019; 99:18-26. [PMID: 31325833 DOI: 10.1016/j.jmbbm.2019.07.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [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: 03/08/2019] [Revised: 06/07/2019] [Accepted: 07/13/2019] [Indexed: 12/16/2022]
Abstract
Because of its low immunogenicity, biological properties, and high availability, the Human Amniotic Membrane (HAM) is widely used in the clinic and in tissue engineering research. However, while its biological characteristics are well described, its mechanical properties remain understudied especially in terms of inter- and intra-HAM variability. To guide bioengineers in the use of this natural biomaterial, a detailed cartography of the HAM's mechanical properties was performed. Maximal force (Fmax) and strain at break (Smax) were identified as the relevant mechanical criteria for this study after a combined analysis of histological sections, thickness measurements after dehydration, and uniaxial tensile tests. Eight HAMs were studied by mechanical cartography using a standardized cutting protocol and sampling pattern. On average, 103 ± 10 samples were retrieved and tested per HAM. Intra-tissue variability highlighted the fact that there were two mechanically distinct areas (placental and peripheral) in each HAM. For all HAMs, placental HAM was significantly stronger by 82 ± 45% and more stretchable by 19 ± 6% than their peripheral counterparts. Our results also demonstrated that placental, but not peripheral, HAM presented isotropic mechanical properties. Thus, placental HAM can be a raw material of choice that could be favored especially in the development of tissue engineering products where mechanical properties play a key role.
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Affiliation(s)
- Agathe Grémare
- Univ. Bordeaux, INSERM, Tissue Bioengineering, U1026, F-33076, Bordeaux, France; CHU Bordeaux, Odontology and Oral Health Department, F-33076 Bordeaux, France
| | | | - Pauline Musqui
- CHU Bordeaux, Odontology and Oral Health Department, F-33076 Bordeaux, France
| | - Laure Magnan
- Univ. Bordeaux, INSERM, Tissue Bioengineering, U1026, F-33076, Bordeaux, France
| | - Yoann Torres
- Univ. Bordeaux, INSERM, Tissue Bioengineering, U1026, F-33076, Bordeaux, France
| | - Mathilde Fénelon
- Univ. Bordeaux, INSERM, Tissue Bioengineering, U1026, F-33076, Bordeaux, France; CHU Bordeaux, Odontology and Oral Health Department, F-33076 Bordeaux, France
| | - Stéphanie Brun
- CHU Bordeaux, Gynecology-Obstetrics Service, F-33076 Bordeaux, France
| | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, Tissue Bioengineering, U1026, F-33076, Bordeaux, France; CHU Bordeaux, Odontology and Oral Health Department, F-33076 Bordeaux, France
| | - Nicolas L'Heureux
- Univ. Bordeaux, INSERM, Tissue Bioengineering, U1026, F-33076, Bordeaux, France.
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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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Fenelon M, Maurel DB, Siadous R, Gremare A, Delmond S, Durand M, Brun S, Catros S, Gindraux F, L'Heureux N, Fricain JC. Comparison of the impact of preservation methods on amniotic membrane properties for tissue engineering applications. Mater Sci Eng C Mater Biol Appl 2019; 104:109903. [PMID: 31500032 DOI: 10.1016/j.msec.2019.109903] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/02/2019] [Accepted: 06/17/2019] [Indexed: 12/30/2022]
Abstract
Human amniotic membrane (hAM) is considered as an attractive biological scaffold for tissue engineering. For this application, hAM has been mainly processed using cryopreservation, lyophilization and/or decellularization. However, no study has formally compared the influence of these treatments on hAM properties. The aim of this study was to develop a new decellularization-preservation process of hAM, and to compare it with other conventional treatments (fresh, cryopreserved and lyophilized). The hAM was decellularized (D-hAM) using an enzymatic method followed by a detergent decellularization method, and was then lyophilized and gamma-sterilized. Decellularization was assessed using DNA staining and quantification. D-hAM was compared to fresh (F-hAM), cryopreserved (C-hAM) and lyophilized/gamma-sterilized (L-hAM) hAM. Their cytotoxicity on human bone marrow mesenchymal stem cells (hBMSCs) and their biocompatibility in a rat subcutaneous model were also evaluated. The protocol was effective as judged by the absence of nuclei staining and the residual DNA lower than 50 ng/mg. Histological staining showed a disruption of the D-hAM architecture, and its thickness was 84% lower than fresh hAM (p < 0.001). Despite this, the labeling of type IV and type V collagen, elastin and laminin were preserved on D-hAM. Maximal force before rupture of D-hAM was 92% higher than C-hAM and L-hAM (p < 0.01), and D-hAM was 37% more stretchable than F-hAM (p < 0.05). None of the four hAM were cytotoxic, and D-hAM was the most suitable scaffold for hBMSCs proliferation. Finally, D-hAM was well integrated in vivo. In conclusion, this new hAM decellularization process appears promising for tissue engineering applications.
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Affiliation(s)
- Mathilde Fenelon
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France; CHU Bordeaux, Department of Oral Surgery, F-33076 Bordeaux, France.
| | - Delphine B Maurel
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France
| | - Robin Siadous
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France
| | - Agathe Gremare
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France
| | - Samantha Delmond
- CHU Bordeaux, CIC 1401, 33000 Bordeaux, France; Inserm, CIC 1401, 33000 Bordeaux, France
| | - Marlène Durand
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France; CHU Bordeaux, CIC 1401, 33000 Bordeaux, France; Inserm, CIC 1401, 33000 Bordeaux, France
| | - Stéphanie Brun
- University hospital, Gynecology-Obstetrics Service, F-33076 Bordeaux, France
| | - Sylvain Catros
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France; CHU Bordeaux, Department of Oral Surgery, F-33076 Bordeaux, France
| | - Florelle Gindraux
- Orthopedic, Traumatology & Plastic Surgery Department, University Hospital of Besançon, Besançon, France; Nanomedicine Lab, Imagery and Therapeutics (EA 4662), SFR FED 4234, University of Franche-Comté, Besançon, France
| | - Nicolas L'Heureux
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France
| | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076 Bordeaux, France; CHU Bordeaux, Department of Oral Surgery, F-33076 Bordeaux, France
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Abstract
Introduction: Nivolumab-induced oral and cutaneous bullous pemphigoid have been rarely reported in the literature. Observations: A 64-year-old male patient was treated with nivolumab for melanoma. He presented with oral lesions in the palatal and gingival mucosal lesions. Nine months after the initiation of nivolumab therapy, a cutaneous bullous pemphigoid was found on his right forearm. The level of anti-BPAG2 (or anti-BP 180) was positive with a rate of 83 AU/mL, thereby confirming the diagnosis of bullous pemphigoid. His oral mucosa, first in the posterolateral area of the palate and then in the gingiva, was affected 3 months later. Histological examination revealed a subepidermal bulla with few eosinophils. Comments: Nivolumab is a novel monoclonal human antibody used to potentiate T cell responses, particularly anti-tumor responses. The first diagnosis considered was lichen planus, and it has been excluded from this study based on histological results. Right from lesion onset after treatment initiation, nivolumab was strongly suspected to cause these mucocutaneous lesions. To investigate the causes and effects of nivolumab-induced oral and cutaneous bullous pemphigoid, it would be necessary to record the regression of these lesions at the end of treatment; however, this is not possible due to ethical reasons. The treatment of lesions primarily involves corticosteroid usage; however, rituximab is also used. Conclusion: Oral surgeons must consider the oral side effects of novel targeted therapies, including those of immunological checkpoint inhibitors.
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Nayl C, Fenelon M, Catros S, Fricain JC. Intravascular papillary endothelial hyperplasia: a case report. J Oral Med Oral Surg 2019. [DOI: 10.1051/mbcb/2018022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Case report: A 71-year-old patient, with no notable medical-surgical history, was referred for a specialized consultation with Oral Mucosal Pathology for tumefaction on the dorsal side of the tongue. It was a nodular lesion measuring one centimeter long, purplish, and painless. There was nothing found through palpation. Surgical excision with a laser diode was performed under local anesthesia. The postoperative follow-up was simple. The patient was seen 3 months later without any sign of recurrence. Histopathological analysis revealed a vegetative intravascular hemangioendothelioma. Comments: This case is rare because of the location of the tumor, and moreover because the subject is male. A laser diode was chosen to resect the lesion because of the purple color which could have resulted in a possible vascular lesion. Indeed, the limits of excision were coagulated, which facilitated the surgery time and any limited postoperative hemorrhagic complications that could have occurred.
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Abstract
Observation: A 68-year-old patient presented to us because of the gradual onset of symptoms associated with a mass located on an epithelial–mucosal graft performed approximately 20 years ago. A provisional diagnosis of exostosis was made and the mass was excised under local anesthesia. Comments: Exostosis is defined as a localized benign bone proliferation constituting a sessile nodular bony outgrowth with either a broad base or a peduncle attaching to the parent bone. Some cases of exostosis secondary to the realization of gingival grafts have been reported in the literature. Thus, exostosis should be considered as an unpredictable side effect of this surgical procedure.
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Touny M, Catros S, Fricain JC, Fénelon M. Perioperative management of patients undergoing antithrombotic treatment in oral surgery in France: a survey. J Oral Med Oral Surg 2019. [DOI: 10.1051/mbcb/2019024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: The prevention and treatment of thromboembolic events is generally based on the prescription of antithrombotics. These drugs are associated with an increased hemorrhagic risk. The procedures for the management of patients under antithrombotic treatment are described in the recommendations of the Société Française de Chirurgie Orale (SFCO), published in 2015. The main objective of this study was to describe dentists' knowledge and practices regarding the perioperative management of patients under antithrombotic agents in oral surgery in France. Materials and methods: A national cross-sectional study was conducted between June and September 2018. An electronic questionnaire was created on Google Forms and sent through social networks. Results: In total, 185 responses were collected. Two-thirds of the respondents reported that they were aware of the 2015 recommendations. Ten respondents reported that they did not manage patients treated with antithrombotic drugs. Among the respondents who managed such patients, 25% and 16% ordered hemostasis tests for patients treated with direct anticoagulants and antiplatelet agents, respectively. Discussion: Although 71% of dentists considered themselves properly informed, one-third stated that they were not aware of SFCO's 2015 recommendations. Among those who were aware of these recommendations, 47% correctly ordered hemostasis tests before surgery in patients on antithrombotic medication. Conclusion: This study indicates that there is a lack of knowledge and noncompliance with the recommendations among at least half the sample population regarding perioperative management of patients on antithrombotic therapy.
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Fricain JC. Recommendations on oral lichen by GEMUB ! J Oral Med Oral Surg 2019. [DOI: 10.1051/mbcb/2019036] [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: 11/15/2022] Open
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Tisné-Versailles S, Fénélon M, Marteau JM, Catros S, Fricain JC. Injection of ropivacaine combined with pregabalin in a patient with post-traumatic trigeminal neuropathic pain. J Oral Med Oral Surg 2018. [DOI: 10.1051/mbcb/2018018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: Post-traumatic painful trigeminal neuropathy is a chronic facial pain secondary to trigeminal nerve injury. The treatment of this pain is a therapeutic issue due to the alteration of quality of life that it generates. Observation: A 58-year-old man whose main history of facial trauma has been consulted in the Odontology Department for bilateral trigeminal neuropathic pain that has been evolving for several months. The interrogation revealed continuous pain like electric shocks in the canine areas and daily painful exacerbations. Hyperesthesia and allodynia were found on clinical examination. The patient had received several treatments, oral and local, without significant improvement. As a last resort, injections of ropivacaine every 2 weeks associated with pregabalin (200 mg/day) were performed. At 6 months, there was a clear decrease in the burning sensation and a complete disappearance of painful exacerbations. Discussion: Two studies have recently shown the benefit of the combination of an antiepileptic and a local analgesic in the treatment of classical trigeminal neuralgia, justifying their use in a context of post-traumatic neuropathic pain. Conclusion: Further studies with higher levels of evidence are needed to confirm these preliminary results.
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Dulin F, Marteau JM, Fricain JC, Fénelon M. Dental implant practice in French West Indies and French Guyana: a cross-sectional study among dental practitioners. J Oral Med Oral Surg 2018. [DOI: 10.1051/mbcb/2018008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background: In 2016, 459 dentists were registered in French West Indies and French Guyana. They represent 10% of French clinicians but they work in an environment very different from continental France. The aim of this study was to describe dental implantology practices among dentists in Guadeloupe, Martinique, and French Guyana. Materials and methods: A cross-sectional study, with questionnaires sent by email, was conducted from November 2016 to January 2017. Results: 116 practitioners answered. Respondents were all general practitioners, except two dentists who practiced only surgical procedures (not specialists). Implant surgeries were provided by 50% respondents and soft-tissue or hard-tissue grafting were provided by 34.5% of the sample. Prosthodontic procedures were carried out by 62.9% respondents. At last, 34.5% of the sample were not involved in implant services. Discussion: The proportion of dentists who performed implant procedures was similar to that reported in other international studies and French survey. The percentage of dentists not involved in implant dentistry still significant and the most frequently reported barriers were the expense of treatment, patient's difficulties to afford the treatment and the lack of knowledge. Conclusion: The practice of implant dentistry is widespread in French West Indies and French Guyana. Dental implant use was not different between clinicians of Guadeloupe, Martinique, and French Guyana. The number of dentists who received local implant training was lower in French Guyana.
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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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Alande C, Fénélon M, Fricain JC. Oral ulcers in patients treated with palbociclib: a case report. J Oral Med Oral Surg 2018. [DOI: 10.1051/mbcb/2017032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: Palbociclib is an approved drug in the treatment of women with advanced or metastatic estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative, breast cancer. The purpose of this article is to present the first case ever described of oral ulcers caused by palbociclib. Observation: A case of drug-induced oral ulcers is reported. The patient was treated with a combination of palbociclib and Fulvestrant for a breast cancer relapse with pulmonary involvement. These ulcers were localized on the ventral face of the tongue and on the gum. A therapeutic combination of infrared laser biostimulation and a topical application of Dermoval® and Dynexan® were carried out. Palbociclib was concurrently discontinued. The lesions healed in about 15 days. Comments: Palbociclib is an inhibitor of cyclin-dependent kinases 4 and 6 (CDK 4/6). Thereby, it blocks many signaling pathways responsible for cell proliferation. This property weakens the oral mucosa and could be the cause of the observed ulcers. These latter having been particularly debilitating for the patient. Conclusion: Palbociclib-related oral aphthous ulcers are similar to those reported with other targeted therapies. The combination of infrared laser biostimulation and local corticosteroid therapy did not prevent the discontinuation of the cancer treatment.
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Fénelon M, Chassande O, Kalisky J, Gindraux F, Brun S, Bareille R, Ivanovic Z, Fricain JC, Boiziau C. Human amniotic membrane for guided bone regeneration of calvarial defects in mice. J Mater Sci Mater Med 2018; 29:78. [PMID: 29858670 DOI: 10.1007/s10856-018-6086-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 04/21/2018] [Indexed: 06/08/2023]
Abstract
Due to its biological properties, human amniotic membrane (hAM) is widely studied in the field of tissue engineering and regenerative medicine. hAM is already very attractive for wound healing and it may be helpful as a support for bone regeneration. However, few studies assessed its potential for guided bone regeneration (GBR). The purpose of the present study was to assess the potential of the hAM as a membrane for GBR. In vitro, cell viability in fresh and cryopreserved hAM was assessed. In vivo, we evaluated the impact of fresh versus cryopreserved hAM, using both the epithelial or the mesenchymal layer facing the defect, on bone regeneration in a critical calvarial bone defect in mice. Then, the efficacy of cryopreserved hAM associated with a bone substitute was compared to a collagen membrane currently used for GBR. In vitro, no statistical difference was observed between the conditions concerning cell viability. Without graft material, cryopreserved hAM induced more bone formation when the mesenchymal layer covered the defect compared to the defect left empty. When associated with a bone substitute, such improved bone repair was not observed. These preliminary results suggest that cryopreserved hAM has a limited potential for GBR.
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Affiliation(s)
- Mathilde Fénelon
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076, Bordeaux, France.
- CHU Bordeaux, Odontology and Oral Health Department, F-33076, Bordeaux, France.
| | - Olivier Chassande
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076, Bordeaux, France
| | - Jérome Kalisky
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076, Bordeaux, France
| | - Florelle Gindraux
- Orthopedic, Traumatologic & Plastic Surgery Service - University Hospital of Besançon, Besançon, France
| | - Stéphanie Brun
- University hospital, Gynecology-Obstetrics Service, F-33076, Bordeaux, France
| | - Reine Bareille
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076, Bordeaux, France
| | - Zoran Ivanovic
- French Blood Establishment (EFS), Aquitaine-Limousin Branch, Bordeaux, France
| | - Jean-Christophe Fricain
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076, Bordeaux, France
- CHU Bordeaux, Odontology and Oral Health Department, F-33076, Bordeaux, France
| | - Claudine Boiziau
- Univ. Bordeaux, INSERM, Laboratory BioTis, UMR 1026, F-33076, Bordeaux, France
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Fénelon M, Catros S, Fricain JC. What is the benefit of using amniotic membrane in oral surgery? A comprehensive review of clinical studies. Clin Oral Investig 2018; 22:1881-1891. [PMID: 29682688 DOI: 10.1007/s00784-018-2457-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [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: 09/27/2017] [Accepted: 04/17/2018] [Indexed: 10/17/2022]
Abstract
OBJECTIVES Since its first use for the reconstruction of tissue defects in the oral cavity in 1985, human amniotic membrane (hAM) has been widely studied in the field of oral surgery. Despite the growing number of publications in this field, there is no systematic review or meta-analysis concerning its clinical applications, outcome assessments, and relevance in oral surgery. The aim of this review is to provide a thorough understanding of the potential use of hAM for soft and hard tissue reconstruction in the oral cavity. MATERIALS AND METHODS A systematic electronic and a manual literature search of the MEDLINE-PubMed database and Scopus database was completed. Patient, Intervention, Comparison and Outcomes (PICO) technique was used to select the relevant articles to meet the objective. Studies using hAM for oral reconstruction, and conducted on human subjects, were included in this survey. RESULTS A total of 17 articles were analyzed. Five areas of interest were identified as potential clinical application: periodontal surgery, cleft palate and tumor reconstruction, prosthodontics and peri-implant surgery. Overall, periodontal surgery was the only discipline to assess the efficacy of hAM with randomized clinical trials. The wide variability of preservation methods of hAM and the lack of objective measurements were observed in this study. CONCLUSION hAM is already used in the field of oral surgery. Despite this, there is weak clinical evidence demonstrating convincingly the benefit of hAM in this area compared to standard surgery. CLINICAL RELEVANCE Several studies now suggest the interest of hAM for periodontal tissue repair. Due to its biological and mechanical properties, hAM seems to be a promising treatment for wound healing in various areas of oral reconstruction. However, further randomized clinical trials are needed to confirm these preliminary results.
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Affiliation(s)
- M Fénelon
- CHU Bordeaux, Dentistry and Oral Health Department, Place Amélie Raba Léon, 33076, Bordeaux, France. .,INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), 146 rue Léo-Saignat, F-33000, Bordeaux, France.
| | - S Catros
- CHU Bordeaux, Dentistry and Oral Health Department, Place Amélie Raba Léon, 33076, Bordeaux, France.,INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), 146 rue Léo-Saignat, F-33000, Bordeaux, France
| | - J C Fricain
- CHU Bordeaux, Dentistry and Oral Health Department, Place Amélie Raba Léon, 33076, Bordeaux, France.,INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), 146 rue Léo-Saignat, F-33000, Bordeaux, France
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