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Zhao Y, Li C, Hu S, Wang C, Bian X, Kang H, Zhou P, Bao G. In vitro differentiation of human induced pluripotent stem cells into temporomandibular joint disc like cells. Heliyon 2024; 10:e23937. [PMID: 38192844 PMCID: PMC10772246 DOI: 10.1016/j.heliyon.2023.e23937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 01/10/2024] Open
Abstract
Temporomandibular joint discs (TMJ discs) are unable to repair themselves in disease states, while induced stem cell differentiation is a common method to repair tissue defects. Nowadays, kinds of stem cells are attempted for tissue regeneration of TMJ disc, but these methods have several downsides, which limit their wide application. The proliferation and differentiation ability of human induced pluripotent stem cells (hiPSC) provides a new research direction for TMJ disc tissue regeneration. In this study, we investigated the feasibility of induced differentiation of hiPSC into TMJ disc cells in vitro and the differentiation efficiency of different methods to clarify the possibility and conditions of hiPSC application in TMJ disc tissue engineering. We collected sheep TMJ disc cells cultures for adding in hiPSC culture environment and treated hiPSC by both direct induction and Transwell co-culture for 7 days, 14 days and 21 days. The secretion of extracellular matrix in TMJ disc cells was detected by Sirius Red and Safranin O staining. Collagen Ⅰ and Collagen Ⅱ were qualitatively detected by immunohistochemical staining. The expression of extracellular matrix genes (type I collagen (COL1A1), type II collagen(COL2), glycosaminoglycan (GAG)), chondrogenic differentiation gene SOX9 and pluripotency gene OCT4 were detected by RT-qPCR. Our results showed that hiPSC had the ability to differentiate to TMJ disc cells by direct induction in TMJ disc cell culture medium and by Transwell co-culture method. The highest degree of differentiation was observed after 14 days of direct induction, while Transwell co-culture showed significant differentiation at different times and with different major directions. Meanwhile, Transwell co-culture not only differentiates hiPSC but also promotes the growth and proliferation of TMJ disc cells. Our study is valuable to investigate the possibility of differentiation of hiPSC toward TMJ disc cells and to determine the time of differentiation. It provides new ideas for the selection of seed cells for TMJ disc tissue engineering.
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Affiliation(s)
- Yiqing Zhao
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Ce Li
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Siyang Hu
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Chunya Wang
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Xueru Bian
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Hong Kang
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Ping Zhou
- School of Stomatology, Lanzhou University, No.199 Donggang West Road,Chengguan District, Lanzhou, 730000, China
| | - Guangjie Bao
- Key Lab of Stomatology of State Ethnic Affairs Commission, Northwest Minzu University, No.1 Northwest Xin Cun, Chengguan District, Lanzhou, 7300030, China
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Jiang N, Chen H, Zhang J, Cao P, Wang P, Hou Y, Tan P, Sun J, Li Z, Zhu S. Decellularized-disc based allograft and xenograft prosthesis for the long-term precise reconstruction of temporomandibular joint disc. Acta Biomater 2023; 159:173-187. [PMID: 36708853 DOI: 10.1016/j.actbio.2023.01.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/27/2023]
Abstract
Currently, no effective disc reconstruction treatment strategy is clinically available for temporomandibular joint (TMJ) disc-related diseases. To address this, we developed a prosthesis construct with laser-drilled decellularized natural disc reinforced by polycaprolactone, which mimics the natural morphology, and structural, biomechanical and biological property of the TMJ disc. The construct demonstrated good biocompatibility, safety and immunological tolerance both in vitro, and in a rat subcutaneous model. During 6 months implantation in an allogeneic rabbit TMJ disc reconstruction model, the disc prosthesis maintained its integrity, collagen fiber-orientation, mechanical property, joint structural stability and prevented articular cartilage and bone from damage. Furthermore, the "upgraded" disc prosthesis obtained from decellularized porcine disc was implanted into a goat TMJ disc reconstruction model. The xenograft prosthesis, with strength and viscoelasticity similar to a natural TMJ disc, was able to restore the structure and function of TMJ up to 20 weeks. These results demonstrate the translational feasibility of an allogeneic or xenogeneic decellularized disc prosthesis for treatment of advanced TMJ disc-related diseases. STATEMENT OF SIGNIFICANCE: This study makes a significant contribution to TMJ disc disease treatment both in theory and in clinics, because: (1) it provided an innovative approach to prepare an artificial TMJ disc with decent mechanical properties and long-term condyle-protecting effect; (2) it specified an advanced decellularized method for fibrocartilage decellularization and xenograft application; (3) it developed a facile and reproducible TMJ disc reconstruction model not only for middle size animal but also for large animal study; (4) the comprehensive and unreported biomechanical tests on the natural TMJ discs would act as a valuable reference for further research in the field of artificial TMJ disc materials or TMJ disc tissue engineering; (5) it suggested a potential treatment for patients with severe TMJ diseases that were commonly met but difficult to treat in clinics.
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Affiliation(s)
- Nan Jiang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Haozhe Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jie Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Pinyin Cao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Peng Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yi Hou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Peijie Tan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jialin Sun
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhen Li
- AO Research Institute Davos, Davos, Switzerland.
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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She Y, Tang S, Zhu Z, Sun Y, Deng W, Wang S, Jiang N. Comparison of temporomandibular joint disc, meniscus, and intervertebral disc in fundamental characteristics and tissue engineering. J Biomed Mater Res B Appl Biomater 2023; 111:717-729. [PMID: 36221912 DOI: 10.1002/jbm.b.35178] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 09/24/2022] [Accepted: 09/27/2022] [Indexed: 01/21/2023]
Abstract
The temporomandibular joint (TMJ) disc, meniscus and intervertebral disc (IVD) are three fibrocartilage discs, which play critical roles in our daily life. Their degeneration contributes to diseases such as TMJ disorders, osteoarthritis and degenerative disc disease, affecting patients' quality of life and causing substantial morbidity and mortality. Interestingly, similar in some aspects of fundamental characteristics, they exhibit differences in other aspects such as biomechanical properties. Highlighting these similarities and differences can not only benefit a comprehensive understanding of them and their pathology but also assist in future research of tissue engineering. Likewise, comparing their tissue engineering in cell sources, scaffold and stimuli can guide imitation and improvement of their engineered discs. However, the anatomical structure, function, and biomechanical characteristics of the IVD, TMJ, and Meniscus have not been compared in any meaningful depth needed to advance current tissue engineering research on these joints, resulting in incomplete understanding of them and their pathology and ultimately limiting future research of tissue engineering. This review, for the first time, comprehensively compares three fibrocartilage discs in those aspects to cast light on their similarities and differences.
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Affiliation(s)
- Yilin She
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shiyi Tang
- West China Medical School, Sichuan University, Chengdu, China
| | - Zilin Zhu
- College of Life Sciences, Sichuan University, Chengdu, China
| | - Yixin Sun
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Wanyu Deng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Sicheng Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Nan Jiang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Wang J, Wang H, Wang Y, Liu Z, Li Z, Li J, Chen Q, Meng Q, Shu WW, Wu J, Xiao C, Han F, Li B. Endothelialized microvessels fabricated by microfluidics facilitate osteogenic differentiation and promote bone repair. Acta Biomater 2022; 142:85-98. [PMID: 35114373 DOI: 10.1016/j.actbio.2022.01.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 02/08/2023]
Abstract
In bone tissue engineering, vascularization is one of the critical factors that limit the effect of biomaterials for bone repair. While various approaches have been tried to build vascular networks in bone grafts, lack of endothelialization still constitutes a major technical hurdle. In this study, we have developed a facile technique to fabricate endothelialized biomimetic microvessels (BMVs) from alginate-collagen composite hydrogels within a single step using microfluidic technology. BMVs with different sizes could be readily prepared by adjusting the flow rate of microfluids. All BMVs supported perfusion and outward penetration of substances in the tube. Endothelial cells could adhere and proliferate on the inner wall of tubes. It was also found that the expression of CD31 and secretion of BMP-2 and PDGF-BB were higher in the rat umbilical vein endothelial cells (RUVECs) in BMVs than those cultured on hydrogel. When co-cultured with bone marrow mesenchymal stem cells (BMSCs), endothelialized BMVs promoted the osteogenic differentiation of BMSCs compared to those in acellular BMV group. In vivo, markedly enhanced new bone formation was achieved by endothelialized BMVs in a rat critical-sized calvarial defect model compared to those with non-endothelialized BMVs or without BMVs. Together, findings from both in vitro and in vivo studies have proven that endothelialized BMVs function to facilitate osteogenesis and promote bone regeneration, and therefore might present an effective strategy in bone tissue engineering. STATEMENT OF SIGNIFICANCE: In bone tissue engineering, limited vascularization is one of the critical factors that limit the effect of biomaterials for bone repair. In this study, we developed a facile technique to fabricate endothelialized biomimetic microvessels (BMVs) from alginate-collagen composite hydrogels within a single step using microfluidic technology. Both in vitro and in vivo studies have proven that endothelialized BMVs function to facilitate osteogenesis and promote bone regeneration, and therefore might present an effective strategy in bone tissue engineering.
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Trindade D, Cordeiro R, José HC, Ângelo DF, Alves N, Moura C. Biological Treatments for Temporomandibular Joint Disc Disorders: Strategies in Tissue Engineering. Biomolecules 2021; 11:biom11070933. [PMID: 34201698 PMCID: PMC8301995 DOI: 10.3390/biom11070933] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/14/2021] [Accepted: 06/18/2021] [Indexed: 01/22/2023] Open
Abstract
The temporomandibular joint (TMJ) is an important structure for the masticatory system and the pathologies associated with it affect a large part of the population and impair people's lifestyle. It comprises an articular disc, that presents low regeneration capacities and the existing clinical options for repairing it are not effective. This way, it is imperative to achieve a permanent solution to guarantee a good quality of life for people who suffer from these pathologies. Complete knowledge of the unique characteristics of the disc will make it easier to achieve a successful tissue engineering (TE) construct. Thus, the search for an effective, safe and lasting solution has already started, including materials that replace the disc, is currently growing. The search for a solution based on TE approaches, which involve regenerating the disc. The present work revises the TMJ disc characteristics and its associated diseases. The different materials used for a total disc replacement are presented, highlighting the TE area. A special focus on future trends in the field and part of the solution for the TMJ problems described in this review will involve the development of a promising engineered disc approach through the use of decellularized extracellular matrices.
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Affiliation(s)
- Daniela Trindade
- Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, 2430-028 Marinha Grande, Portugal; (D.T.); (R.C.); (D.F.Â.)
| | - Rachel Cordeiro
- Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, 2430-028 Marinha Grande, Portugal; (D.T.); (R.C.); (D.F.Â.)
| | | | - David Faustino Ângelo
- Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, 2430-028 Marinha Grande, Portugal; (D.T.); (R.C.); (D.F.Â.)
- Instituto Português da Face, 1050-227 Lisboa, Portugal;
- Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Nuno Alves
- Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, 2430-028 Marinha Grande, Portugal; (D.T.); (R.C.); (D.F.Â.)
- Correspondence: (N.A.); (C.M.); Tel.: +351-24-456-9441 (C.M.)
| | - Carla Moura
- Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, 2430-028 Marinha Grande, Portugal; (D.T.); (R.C.); (D.F.Â.)
- Correspondence: (N.A.); (C.M.); Tel.: +351-24-456-9441 (C.M.)
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Jiang N, Yang Y, Zhang L, Jiang Y, Wang M, Zhu S. 3D-Printed Polycaprolactone Reinforced Hydrogel as an Artificial TMJ Disc. J Dent Res 2021; 100:839-846. [PMID: 33719668 DOI: 10.1177/00220345211000629] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The replacement of a damaged temporomandibular joint (TMJ) disc remains a long-standing challenge in clinical settings. No study has reported a material with comprehensively excellent properties similar to a natural TMJ disc. In this work, we designed a novel artificial TMJ disc using polyvinyl alcohol (PVA) hydrogel crosslinked by cyclic freeze-thaw and reinforced by 3D-printed polycaprolactone (PCL) implants. The mechanical properties and surface morphologies of the artificial TMJ disc and the natural goat TMJ disc were tested and compared via compression, tensile, cyclic compression/tensile, creep, friction, scanning electron microscopy, and atomic force microscopy. The fibroblasts and chondrocytes were cultured on the artificial TMJ disc for 1, 3, and 5 d for cytotoxicity testing. Importantly, the artificial discs were placed into the TMJs of goats in an innovative way to induce disc defect repair for 12 wk. The PVA + PCL artificial disc demonstrated mechanical strength similar to that of natural disc, as well as 1) better fatigue resistance, viscoelasticity, and hydrophilicity; 2) less creep; and 3) low friction, cytotoxicity, and cell adhesion. By repairing the defects of the TMJ disc in goats, the artificial disc demonstrated the ability to maintain joint stability and protect condylar cartilage and bone from damage. These promising results indicate the feasibility of using a PVA + PCL artificial TMJ disc in a clinical context.
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Affiliation(s)
- N Jiang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - Y Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - L Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - Y Jiang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - M Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - S Zhu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Disease and West China Hospital of Stomatology, Analytical and Testing Center, Sichuan University, Chengdu, China
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Baheerathan NN, Sayan A, Demir E, Ilankovan V. Outcome of eminectomy combined with discectomy and silastic interpositional graft for temporomandibular joint dysfunction: a retrospective study of 20 years. Br J Oral Maxillofac Surg 2020; 58:854-860. [PMID: 32456994 DOI: 10.1016/j.bjoms.2020.04.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 04/10/2020] [Indexed: 10/24/2022]
Abstract
Internal derangement of the temporomandibular joint (TMJ) is usually treated conservatively, but about 5% require surgical treatment. We designed a retrospective study to assess the long-term outcomes of eminectomy combined with discectomy and silastic interpositional graft in 44 patients who had chronic TMJ dysfunction that had not responded to traditional conservative treatment and arthrocentesis. The maximum mouth opening, pain score, Wilkes stage, and clinical dysfunction index were measured before, and two years after, operation. All the patients showed significant improvement in mouth opening and reduced pain scores (p<0.0001 in each case). There were no long-term operative complications, and postoperative magnetic resonance scans showed that the silastic interpositional graft was in a stable position with no evidence of degenerative changes on the surfaces of the joint and no lymphadenopathy.
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Affiliation(s)
- N N Baheerathan
- Poole Hospital NHS Foundation trust, Longfleet Road, Poole, Dorset, BH15 2JB.
| | - A Sayan
- Poole Hospital NHS Foundation trust, Longfleet Road, Poole, Dorset, BH15 2JB
| | - E Demir
- Poole Hospital NHS Foundation trust, Longfleet Road, Poole, Dorset, BH15 2JB
| | - V Ilankovan
- Poole Hospital NHS Foundation trust, Longfleet Road, Poole, Dorset, BH15 2JB
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Patel MH, Kim RY, Aronovich S, Skouteris CA. Clinical assessment of acellular dermal matrix (AlloDerm©) as an option in the replacement of the temporomandibular joint disc: A pilot study. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2020; 121:496-500. [PMID: 31904524 DOI: 10.1016/j.jormas.2019.12.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 12/15/2019] [Accepted: 12/16/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND There is limited data available in the literature describing the utility of acellular dermal matrix (AlloDerm©) in the replacement of the temporomandibular joint disc. Few reports of clinicians using implantable AlloDerm to replace the disc do exist, however, this has been described for reconstruction after surgical resection of the entire temporomandibular joint complex to treat pathology, as opposed to isolated articular disc disorders. Moreover, there is a lack of description in the literature regarding associated perioperative outcomes after such a procedure. We sought to assess the immediate perioperative outcomes in the form of a pilot study, to determine whether this technique warrants further investigation in the form of prospective clinical studies. METHODS The study team conducted a retrospective review of medical records for patients who underwent temporomandibular joint discectomy and replacement with AlloDerm© at a single tertiary care center, from 2011 to 2016. Perioperative outcomes of interest including pain levels and range of motion were recorded and descriptive statistics were utilized for statistical analysis. RESULTS 15 patients met the inclusion criteria, of which 87% were females and 13% males. The mean age was 47.27±15.93 years. Preoperatively, 74% of the patients reported severe pain (VAS scores of 7-10); in contrast, 73% of the patients reported only mild pain (VAS scores of 1-3) during the postoperative visits, suggesting an overall reduction in pain intensity. Range of motion also improved from an average of 27.73±13.04mm, to an average of 38.60±6.08mm (P<0.01). CONCLUSIONS Based on our preliminary data, patients with advanced TMJ articular disc disorders showed clinical improvement from discectomy and replacement with acellular dermal matrix (AlloDerm©). Further longitudinal studies evaluating long-term outcomes need to be conducted to validate this technique, in the form of larger sample sizes with a control group, as well as radiographic assessment of long-term clinical outcomes.
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Affiliation(s)
- M H Patel
- University of Maryland Medical Center, Department of Oral and Maxillofacial Surgery, 22 S Greene Street, 21201 Baltimore, USA.
| | - R Y Kim
- Head and Neck Oncologic and Microvascular Reconstructive Surgery, John Peter Smith Hospital, Baylor Scott & White, Fort Worth, TX, USA
| | - S Aronovich
- University of Michigan Department of Surgery, Section of Oral and Maxillofacial Surgery, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - C A Skouteris
- University of Michigan Department of Surgery, Section of Oral and Maxillofacial Surgery, University of Michigan School of Dentistry, Ann Arbor, MI, USA
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Donahue RP, Gonzalez-Leon EA, Hu JC, Athanasiou KA. Considerations for translation of tissue engineered fibrocartilage from bench to bedside. J Biomech Eng 2018; 141:2718210. [PMID: 30516244 PMCID: PMC6611470 DOI: 10.1115/1.4042201] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 11/27/2018] [Indexed: 12/25/2022]
Abstract
Fibrocartilage is found in the knee meniscus, the temporomandibular joint (TMJ) disc, the pubic symphysis, the annulus fibrosus of intervertebral disc, tendons, and ligaments. These tissues are notoriously difficult to repair due to their avascularity, and limited clinical repair and replacement options exist. Tissue engineering has been proposed as a route to repair and replace fibrocartilages. Using the knee meniscus and TMJ disc as examples, this review describes how fibrocartilages can be engineered toward translation to clinical use. Presented are fibrocartilage anatomy, function, epidemiology, pathology, and current clinical treatments because they inform design criteria for tissue engineered fibrocartilages. Methods for how native tissues are characterized histomorphologically, biochemically, and mechanically to set gold standards are described. Then, provided is a review of fibrocartilage-specific tissue engineering strategies, including the selection of cell sources, scaffold or scaffold-free methods, and biochemical and mechanical stimuli. In closing, the Food and Drug Administration paradigm is discussed to inform researchers of both the guidance that exists and the questions that remain to be answered with regard to bringing a tissue engineered fibrocartilage product to the clinic.
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Affiliation(s)
- Ryan P. Donahue
- Department of Biomedical Engineering,
University of California, Irvine,
Irvine, CA 92697
e-mail:
| | - Erik A. Gonzalez-Leon
- Department of Biomedical Engineering,
University of California, Irvine,
Irvine, CA 92697
e-mail:
| | - Jerry C. Hu
- Department of Biomedical Engineering,
University of California, Irvine,
Irvine, CA 92697
e-mail:
| | - Kyriacos A. Athanasiou
- Fellow ASME
Department of Biomedical Engineering,
University of California, Irvine
Irvine, CA 92697
e-mail:
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Xiaolan H, Guangjie B, Linglu S, Xue Z, Shanying B, Hong K. [Effect of different oxygen tension on the cytoskeleton remodeling of goat temporomandibular joint disc cells]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2017; 35:362-367. [PMID: 28853500 DOI: 10.7518/hxkq.2017.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Objective The effect of different oxygen tensions on the cytoskeleton remodeling of goat temporomandibular joint (TMJ) disc cells were investigated. Methods Goat TMJ disc cells were cultured under normoxia (21% O₂) and hypoxia (2%, 4%, and 8% O₂). Toluidine blue, picrosirius red, and type Ⅰ collagen immunocytochemical staining were performed to observe the changes in cell phenotype under different oxygen levels. Immunofluorescent staining and real-time reverse transcription-polymerase chain reaction analysis were then performed to identify actin, tubulin, and vimentin in the cultured disc cells. Results TMJ disc cells still displayed fibroblast characteristics under different oxygen levels and their cytoskeletons had regular arrangement. The fluorescence intensities of actin and vimentin were lowest at 4% O₂(P<0.05), whereas that of tubulin was highest at 2% O₂ (P<0.05). No significant difference among the other groups was observed (P>0.05). Actin mRNA levels were considerably decreased at 2% O₂ and 4% O₂ in hypoxic conditions, while actin mRNA expression was highest in 21% O₂. Tubulin mRNA levels considerably increased at 2% O₂, while tubulin mRNA expression was lowest in 8% O₂ (P<0.05). Vimentin mRNA expression was lowest at 4% O₂ and highest at 21% O₂, and significant differences were observed between vimentin mRNA expression levels among these oxygen levels (P<0.05). Conclusion Cytoskeletons were reconstructed in different oxygen tensions, and 2% O₂ may be the optimal oxygen level required to proliferate TMJ disc cells.
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Affiliation(s)
- He Xiaolan
- Institute of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Bao Guangjie
- Institute of Stomatology, Lanzhou University, Lanzhou 730000, China;Key Laboratory of Oral Diseases of Gansu Provincial, Key Laboratory of Stomatology of State Ethnic Affairs Commission, Northwest Minzu University, Lanzhou 730030, China
| | - Sun Linglu
- Institute of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Zhang Xue
- Institute of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Bao Shanying
- Institute of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Kang Hong
- Institute of Stomatology, Lanzhou University, Lanzhou 730000, China
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Jazayeri HE, Tahriri M, Razavi M, Khoshroo K, Fahimipour F, Dashtimoghadam E, Almeida L, Tayebi L. A current overview of materials and strategies for potential use in maxillofacial tissue regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:913-929. [DOI: 10.1016/j.msec.2016.08.055] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 08/01/2016] [Accepted: 08/22/2016] [Indexed: 02/06/2023]
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Angelo DF, Morouço P, Alves N, Viana T, Santos F, González R, Monje F, Macias D, Carrapiço B, Sousa R, Cavaco-Gonçalves S, Salvado F, Peleteiro C, Pinho M. Choosing sheep (Ovis aries) as animal model for temporomandibular joint research: Morphological, histological and biomechanical characterization of the joint disc. Morphologie 2016; 100:223-233. [PMID: 27450042 DOI: 10.1016/j.morpho.2016.06.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 04/07/2016] [Accepted: 06/15/2016] [Indexed: 12/24/2022]
Abstract
Preclinical trials are essential to the development of scientific technologies. Remarkable molecular and cellular research has been done using small animal models. However, significant differences exist regarding the articular behavior between these models and humans. Thus, large animal models may be more appropriate to perform trials involving the temporomandibular joint (TMJ). The aim of this work was to make a morphological (anatomic dissection and white light 3D scanning system), histological (TMJ in bloc was removed for histologic analysis) and biomechanical characterization (tension and compression tests) of sheep TMJ comparing the obtained results with human data. Results showed that sheep processus condylaris and fossa mandibularis are anatomically similar to the same human structures. TMJ disc has an elliptical perimeter, thinner in the center than in periphery. Peripheral area acts as a ring structure supporting the central zone. The disc cells display both fibroblast and chondrocyte-like morphology. Marginal area is formed by loose connective tissue, with some chondrocyte-like cells and collagen fibers in diverse orientations. Discs obtained a tensile modulus of 3.97±0.73MPa and 9.39±1.67MPa, for anteroposterior and mediolateral assessment. The TMJ discs presented a compressive modulus (E) of 446.41±5.16MPa and their maximum stress value (σmax) was 18.87±1.33MPa. Obtained results suggest that these animals should be considered as a prime model for TMJ research and procedural training. Further investigations in the field of oromaxillofacial surgery involving TMJ should consider sheep as a good animal model due to its resemblance of the same joint in humans.
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Affiliation(s)
- D F Angelo
- Hospital de Santa Maria, Faculty of Medicine, Lisbon, Portugal.
| | - P Morouço
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - N Alves
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - T Viana
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - F Santos
- CIISA, Interdisciplinary Centre of Research in Animal Health, Faculty of Veterinary Medicine, Lisbon, Portugal
| | - R González
- Infanta Cristina Hospital, Faculty of Medicina, University of Extremadura, Badajoz, Spain
| | - F Monje
- Infanta Cristina Hospital, Faculty of Medicina, University of Extremadura, Badajoz, Spain
| | - D Macias
- Department of Anatomy, Faculty of Medicina, University of Extremadura, Badajoz, Spain
| | - B Carrapiço
- CIISA, Interdisciplinary Centre of Research in Animal Health, Faculty of Veterinary Medicine, Lisbon, Portugal
| | - R Sousa
- Hospital de Santa Maria, Faculty of Medicina, Lisbon, Portugal
| | - S Cavaco-Gonçalves
- National Institute of Agrarian and Veterinary Research, Santarém, Portugal
| | - F Salvado
- Hospital de Santa Maria, Faculty of Medicina, Lisbon, Portugal
| | - C Peleteiro
- CIISA, Interdisciplinary Centre of Research in Animal Health, Faculty of Veterinary Medicine, Lisbon, Portugal
| | - M Pinho
- Interdisciplinary Centre of Research in Animal Health, Faculty of Veterinary Medicine, Lisbon, Portugal
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