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Gelin A, Masson-Meyers D, Amini F, Moharamzadeh K, Tayebi L. Collagen: The Superior Material for Full-Thickness Oral Mucosa Tissue Engineering. J Oral Biosci 2024:S1349-0079(24)00143-9. [PMID: 38909983 DOI: 10.1016/j.job.2024.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 06/19/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024]
Abstract
BACKGROUND Tissue engineering has significantly progressed in developing full-thickness oral mucosa constructs designed to replicate the natural oral mucosa. These constructs serve as valuable in vitro models for biocompatibility testing and oral disease modeling and hold clinical potential for replacing damaged or lost oral soft tissue. However, one of the major challenges in tissue engineering of the oral mucosa is the identification of an appropriate scaffold with optimal porosity, interconnected porous networks, biodegradability, and biocompatibility. These characteristics facilitate cell migration, nutrient delivery, and vascularization. Various biomaterials have been investigated for constructing tissue-engineered oral mucosa models; collagen has demonstrated superior outcomes compared with other materials. HIGHLIGHT This review discusses the different types of tissue-engineered oral mucosa developed using various materials and includes articles published between January 2000 and December 2022 in PubMed and Google Scholar. The review focuses on the superiority of collagen-based scaffolds for tissue engineering of oral mucosa, explores in vitro applications, and discusses potential clinical applications. CONCLUSION Among the various scaffold materials used for engineering the connective tissue of the oral mucosa, collagen-based scaffolds possess excellent biological properties, offering high-quality oral mucosa constructs and high resemblance to the native human oral mucosa in terms of histology and expression of various differentiation markers.
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Affiliation(s)
- Alexandra Gelin
- Marquette University School of Dentistry. Milwaukee, WI 53233. USA
| | | | - Fatemeh Amini
- School of Dentistry, Shahed University of Medical Sciences, Tehran, Iran
| | - Keyvan Moharamzadeh
- School of Dentistry, Shahed University of Medical Sciences, Tehran, Iran; Hamdan Bin Mohammed College of Dental Medicine (HBMCDM), Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai, United Arab Emirates; School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Lobat Tayebi
- Marquette University School of Dentistry. Milwaukee, WI 53233. USA.
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Quek J, Vizetto-Duarte C, Teoh SH, Choo Y. Towards Stem Cell Therapy for Critical-Sized Segmental Bone Defects: Current Trends and Challenges on the Path to Clinical Translation. J Funct Biomater 2024; 15:145. [PMID: 38921519 PMCID: PMC11205181 DOI: 10.3390/jfb15060145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/18/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
The management and reconstruction of critical-sized segmental bone defects remain a major clinical challenge for orthopaedic clinicians and surgeons. In particular, regenerative medicine approaches that involve incorporating stem cells within tissue engineering scaffolds have great promise for fracture management. This narrative review focuses on the primary components of bone tissue engineering-stem cells, scaffolds, the microenvironment, and vascularisation-addressing current advances and translational and regulatory challenges in the current landscape of stem cell therapy for critical-sized bone defects. To comprehensively explore this research area and offer insights for future treatment options in orthopaedic surgery, we have examined the latest developments and advancements in bone tissue engineering, focusing on those of clinical relevance in recent years. Finally, we present a forward-looking perspective on using stem cells in bone tissue engineering for critical-sized segmental bone defects.
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Affiliation(s)
- Jolene Quek
- Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (C.V.-D.)
| | - Catarina Vizetto-Duarte
- Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (C.V.-D.)
| | - Swee Hin Teoh
- Centre for Advanced Medical Engineering, College of Materials Science and Engineering, Hunan University, Changsha 410012, China
| | - Yen Choo
- Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (C.V.-D.)
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Barker E, AlQobaly L, Shaikh Z, Franklin K, Thurlow J, Moghaddam B, Pratten J, Moharamzadeh K. Biological Evaluation of Oral Care Products Using 3D Tissue-Engineered In Vitro Models of Plaque-Induced Gingivitis. Dent J (Basel) 2024; 12:126. [PMID: 38786524 PMCID: PMC11120139 DOI: 10.3390/dj12050126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 04/09/2024] [Accepted: 04/29/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND The aim of this study was to investigate and visualize the anti-inflammatory and anti-bacterial effects of different oral care products using an infected and inflamed 3D tissue-engineered gingival mucosal model. METHODS A 3D full-thickness oral mucosal model was engineered inside tissue culture inserts using collagen hydrogels populated with human gingival fibroblasts and THP-1 monocytes and layered with oral epithelial cell lines. Oral saliva bacteria were cultured and added to the surface of the models and inflammation was further simulated with lipopolysaccharide (LPS) of Escherichia coli. The 3D models were exposed to three different types of toothpastes, a chlorhexidine antiseptic mouthwash, different antibiotics, and a mechanical rinse with phosphate-buffered saline (PBS) prior to biological evaluation using the PrestoBlue tissue viability assay, histology, optical coherence tomography (OCT), confocal microscopy, and measurement of the release of the inflammatory markers IL-1β, IL-6, and IL-8 with ELISA. RESULTS Multiple-endpoint analyses of the infected oral mucosal models treated with different anti-bacterial agents showed consistent outcomes in terms of tissue viability, histology, OCT, and confocal microscopy findings. In terms of anti-inflammatory testings, the positive control group showed the highest level of inflammation compared with all other groups. Depending on the anti-bacterial and anti-inflammatory potential of the test groups, different levels of inflammation were observed in the test groups. CONCLUSIONS The inflamed 3D oral mucosal model developed in this study has the potential to be used as a suitable in vitro model for testing the biocompatibility, anti-inflammatory, and anti-bacterial properties of oral care products including mouthwashes and toothpastes. The results of this study indicate that the chlorhexidine mouthwash has both anti-bacterial and cytotoxic effects on the 3D oral mucosal model. Hyaluronic-acid-containing toothpaste has significant anti-bacterial and anti-inflammatory effects on the 3D oral mucosal model.
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Affiliation(s)
- Emilia Barker
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK; (E.B.); (L.A.); (Z.S.); (K.F.); (J.T.)
| | - Lina AlQobaly
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK; (E.B.); (L.A.); (Z.S.); (K.F.); (J.T.)
| | - Zahab Shaikh
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK; (E.B.); (L.A.); (Z.S.); (K.F.); (J.T.)
| | - Kirsty Franklin
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK; (E.B.); (L.A.); (Z.S.); (K.F.); (J.T.)
| | - Johanna Thurlow
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK; (E.B.); (L.A.); (Z.S.); (K.F.); (J.T.)
| | | | | | - Keyvan Moharamzadeh
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK; (E.B.); (L.A.); (Z.S.); (K.F.); (J.T.)
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai 505055, United Arab Emirates
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Su K, Li J, Wu X, Deng D, Gu H, Sun Y, Wang X, Huang W, Wang Y, Shang X, Xue C, Liang L, Li X, Li D, Ang S, Zhang K, Wu P, Wu K. One-Step Synthesis of Hydrogel Adhesive with Acid-Responsive Tannin Release for Diabetic Oral Mucosa Defects Healing. Adv Healthc Mater 2024; 13:e2303252. [PMID: 38245866 DOI: 10.1002/adhm.202303252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/12/2024] [Indexed: 01/22/2024]
Abstract
The complex preparation, weak wet tissue adhesion, and limited biological activity of traditional oral wound dressings usually impede their efficient treatment and healing for diabetic oral mucosal defects. To overcome these problems, a novel hydrogel adhesive (named CFT hydrogel) is rapidly constructed using a one-step method based on dual-dynamic covalent cross-linking. Compared with the commercial oral patches, the CFT hydrogel shows superior in vivo (rat tongue) wet tissue adhesion performance. Additionally, the CFT hydrogel exhibits unique acid-responsive properties, thereby facilitating the release of bioactive molecule tannic acid in the acidic diabetic wound microenvironment. And a series of in vitro experiments substantiate the favorable biocompatibility and bioactivity properties (including antibacterial, antioxidative, anti-inflammatory, and angiogenetic effects) exhibited by CFT hydrogel. Moreover, in vivo experiments conducted on a diabetic rat model with oral mucosal defects demonstrate that the CFT hydrogel exhibits significant efficacy in protecting against mucosal wounds, alleviating inflammatory reactions, thereby facilitating the wound-healing process. Taken together, this study provides a promising and comprehensive therapeutic option with great potential for the clinical management of oral mucosa defects in diabetic patients.
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Affiliation(s)
- Kaize Su
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Jinxuan Li
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Xiaoxian Wu
- Instrumental Analysis and Research Center, South China Agricultural University, Guangzhou, 510642, China
| | - Duanyu Deng
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Han Gu
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Ying Sun
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Xu Wang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Wenhuan Huang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Yan Wang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Xiangcun Shang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Cuiyu Xue
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Lihua Liang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Xiaofang Li
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Dongli Li
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Song Ang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Kun Zhang
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Panpan Wu
- School of Pharmacy and Food Engineering, Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, 529020, P. R. China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, 529040, P. R. China
| | - Keke Wu
- School of Biomedical Engineering, Guangzhou Medical University, Guangzhou, 511495, P. R. China
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Rahimnejad M, Makkar H, Dal-Fabbro R, Malda J, Sriram G, Bottino MC. Biofabrication Strategies for Oral Soft Tissue Regeneration. Adv Healthc Mater 2024:e2304537. [PMID: 38529835 DOI: 10.1002/adhm.202304537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/01/2024] [Indexed: 03/27/2024]
Abstract
Gingival recession, a prevalent condition affecting the gum tissues, is characterized by the exposure of tooth root surfaces due to the displacement of the gingival margin. This review explores conventional treatments, highlighting their limitations and the quest for innovative alternatives. Importantly, it emphasizes the critical considerations in gingival tissue engineering leveraging on cells, biomaterials, and signaling factors. Successful tissue-engineered gingival constructs hinge on strategic choices such as cell sources, scaffold design, mechanical properties, and growth factor delivery. Unveiling advancements in recent biofabrication technologies like 3D bioprinting, electrospinning, and microfluidic organ-on-chip systems, this review elucidates their precise control over cell arrangement, biomaterials, and signaling cues. These technologies empower the recapitulation of microphysiological features, enabling the development of gingival constructs that closely emulate the anatomical, physiological, and functional characteristics of native gingival tissues. The review explores diverse engineering strategies aiming at the biofabrication of realistic tissue-engineered gingival grafts. Further, the parallels between the skin and gingival tissues are highlighted, exploring the potential transfer of biofabrication approaches from skin tissue regeneration to gingival tissue engineering. To conclude, the exploration of innovative biofabrication technologies for gingival tissues and inspiration drawn from skin tissue engineering look forward to a transformative era in regenerative dentistry with improved clinical outcomes.
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Affiliation(s)
- Maedeh Rahimnejad
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Hardik Makkar
- Faculty of Dentistry, National University of Singapore, Singapore, 119085, Singapore
| | - Renan Dal-Fabbro
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Jos Malda
- Regenerative Medicine Center Utrecht, Utrecht, 3584, The Netherlands
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, 3584, The Netherlands
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, 3584, The Netherlands
| | - Gopu Sriram
- Faculty of Dentistry, National University of Singapore, Singapore, 119085, Singapore
- NUS Centre for Additive Manufacturing (AM.NUS), National University of Singapore, Singapore, 117597, Singapore
- Department of Biomedical Engineering, National University of Singapore, Singapore, 117583, Singapore
| | - Marco C Bottino
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
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da Costa Sousa MG, Vignolo SM, Franca CM, Mereness J, Alves Fraga MA, Silva-Sousa AC, Benoit DSW, Bertassoni LE. Engineering models of head and neck and oral cancers on-a-chip. BIOMICROFLUIDICS 2024; 18:021502. [PMID: 38464668 PMCID: PMC10919958 DOI: 10.1063/5.0186722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 02/20/2024] [Indexed: 03/12/2024]
Abstract
Head and neck cancers (HNCs) rank as the sixth most common cancer globally and result in over 450 000 deaths annually. Despite considerable advancements in diagnostics and treatment, the 5-year survival rate for most types of HNCs remains below 50%. Poor prognoses are often attributed to tumor heterogeneity, drug resistance, and immunosuppression. These characteristics are difficult to replicate using in vitro or in vivo models, culminating in few effective approaches for early detection and therapeutic drug development. Organs-on-a-chip offer a promising avenue for studying HNCs, serving as microphysiological models that closely recapitulate the complexities of biological tissues within highly controllable microfluidic platforms. Such systems have gained interest as advanced experimental tools to investigate human pathophysiology and assess therapeutic efficacy, providing a deeper understanding of cancer pathophysiology. This review outlines current challenges and opportunities in replicating HNCs within microphysiological systems, focusing on mimicking the soft, glandular, and hard tissues of the head and neck. We further delve into the major applications of organ-on-a-chip models for HNCs, including fundamental research, drug discovery, translational approaches, and personalized medicine. This review emphasizes the integration of organs-on-a-chip into the repertoire of biological model systems available to researchers. This integration enables the exploration of unique aspects of HNCs, thereby accelerating discoveries with the potential to improve outcomes for HNC patients.
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Affiliation(s)
| | | | | | - Jared Mereness
- Departments of Biomedical Engineering and Dermatology and Center for Musculoskeletal Research, University of Rochester, 601 Elmwood Ave, Rochester, New York 14642, USA
| | | | - Alice Corrêa Silva-Sousa
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo. Av. do Café - Subsetor Oeste—11 (N-11), Ribeirão Preto, SP, 14040-904, Brazil
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Izumi K, Yortchan W, Aizawa Y, Kobayashi R, Hoshikawa E, Ling Y, Suzuki A. Recent trends and perspectives in reconstruction and regeneration of intra/extra-oral wounds using tissue-engineered oral mucosa equivalents. JAPANESE DENTAL SCIENCE REVIEW 2023; 59:365-374. [PMID: 37954029 PMCID: PMC10632115 DOI: 10.1016/j.jdsr.2023.10.002] [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: 07/25/2023] [Revised: 09/25/2023] [Accepted: 10/19/2023] [Indexed: 11/14/2023] Open
Abstract
Many conditions, including cancer, trauma, and congenital anomalies, can damage the oral mucosa. Multiple cultures of oral mucosal cells have been used for biocompatibility tests and oral biology studies. In recent decades, the clinical translation of tissue-engineered products has progressed significantly in developing tangible therapies and inspiring advancements in medical science. However, the reconstruction of an intraoral mucosa defect remains a significant challenge. Despite the drawbacks of donor-site morbidity and limited tissue supply, the use of autologous oral mucosa remains the gold standard for oral mucosa reconstruction and repair. Tissue engineering offers a promising solution for repairing and reconstructing oral mucosa tissues. Cell- and scaffold-based tissue engineering approaches have been employed to treat various soft tissue defects, suggesting the potential clinical use of tissue-engineered oral mucosa (TEOMs). In this review, we first cover the recent trends in the reconstruction and regeneration of extra-/intra-oral wounds using TEOMs. Next, we describe the current status and challenges of TEOMs. Finally, future strategic approaches and potential technologies to support the advancement of TEOMs for clinical use are discussed.
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Affiliation(s)
- Kenji Izumi
- Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
| | - Witsanu Yortchan
- Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
- Department of Preventive Dentistry, Faculty of Dentistry, Naresuan University, Phitsanulok, Thailand
| | - Yuka Aizawa
- Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
| | - Ryota Kobayashi
- Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
| | - Emi Hoshikawa
- Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
- Division of Periodontology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
| | - Yiwei Ling
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ayako Suzuki
- Division of Biomimetics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Japan
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Mazzinelli E, Favuzzi I, Arcovito A, Castagnola R, Fratocchi G, Mordente A, Nocca G. Oral Mucosa Models to Evaluate Drug Permeability. Pharmaceutics 2023; 15:pharmaceutics15051559. [PMID: 37242801 DOI: 10.3390/pharmaceutics15051559] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 05/02/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Due to its numerous advantages, such as excellent drug accessibility, rapid absorption, and bypass of first-pass metabolism, the route of drug administration that involves crossing the oral mucosa is highly favored. As a result, there is significant interest in investigating the permeability of drugs through this region. The purpose of this review is to describe the various ex vivo and in vitro models used to study the permeability of conveyed and non-conveyed drugs through the oral mucosa, with a focus on the most effective models. Currently, there is a growing need for standardized models of this mucosa that can be used for developing new drug delivery systems. Oral Mucosa Equivalents (OMEs) may provide a promising future perspective as they are capable of overcoming limitations present in many existing models.
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Affiliation(s)
- Elena Mazzinelli
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
| | - Ilaria Favuzzi
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
| | - Alessandro Arcovito
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
- Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo Agostino Gemelli 8, 00168 Roma, Italy
| | - Raffaella Castagnola
- UOC Odontoiatria Generale e Ortodonzia, Dipartimento Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa Collo, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo Agostino Gemelli 8, 00168 Rome, Italy
- Dipartimento di Testa-Collo e Organi di Senso, Università Cattolica del Sacro Cuore, Largo Agostino Gemelli 8, 00168 Rome, Italy
| | - Giorgia Fratocchi
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
| | - Alvaro Mordente
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
- Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo Agostino Gemelli 8, 00168 Roma, Italy
| | - Giuseppina Nocca
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
- Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo Agostino Gemelli 8, 00168 Roma, Italy
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Masson-Meyers DS, Tabatabaei F, Steinhaus L, Toth JM, Tayebi L. Development of fibroblast/endothelial cell-seeded collagen scaffolds for in vitro prevascularization. J Biomed Mater Res B Appl Biomater 2023; 111:633-645. [PMID: 36262080 PMCID: PMC10585651 DOI: 10.1002/jbm.b.35182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/08/2022] [Accepted: 09/22/2022] [Indexed: 01/21/2023]
Abstract
The development of vascularized scaffolds remains one of the major challenges in tissue engineering, and co-culturing with endothelial cells is known as one of the possible approaches for this purpose. In this approach, optimization of cell culture conditions, scaffolds, and fabrication techniques is needed to develop tissue equivalents that will enable in vitro formation of a capillary network. Prevascularized equivalents will be more physiologically comparable to the native tissues and potentially prevent insufficient vascularization after implantation. This study aimed to culture human umbilical vein endothelial cells (HUVECs), alone or in co-culture with fibroblasts, on collagen scaffolds prepared by simple fabrication approaches for in vitro prevascularization. Different concentrations and ratios of HUVECs and fibroblasts seeded on collagen gel and sponge scaffolds under several culture conditions were examined. Cell viability, scaffolds morphology, and structure were analyzed. Collagen gel scaffolds showed good cell proliferation and viability, with higher proliferation rates for cells cultured in a 2:1 (fibroblasts: HUVECs) ratio and kept in endothelial cell growth medium. However, these matrices were unable to support endothelial cell sprouting. Collagen sponges were highly porous and showed good cell viability. However, they became fragile over time in culture, and they still lack signs of vascularization. Collagen scaffolds were a good platform for cell growth and viability. However, under the experimental conditions of this study, the HUVEC/fibroblast-seeded scaffolds were not suitable platforms to generate in vitro prevascularized equivalents. Our findings will be a valuable starting point to optimize culture microenvironments and scaffolds during fabrication of prevascularized scaffolds.
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Affiliation(s)
| | | | - Lane Steinhaus
- Marquette University School of Dentistry. Milwaukee, WI 53233, USA
| | - Jeffrey M. Toth
- Marquette University School of Dentistry. Milwaukee, WI 53233, USA
| | - Lobat Tayebi
- Marquette University School of Dentistry. Milwaukee, WI 53233, USA
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10
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Zhu J, Li Y, Xie W, Yang L, Li R, Wang Y, Wan Q, Pei X, Chen J, Wang J. Low-Swelling Adhesive Hydrogel with Rapid Hemostasis and Potent Anti-Inflammatory Capability for Full-Thickness Oral Mucosal Defect Repair. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53575-53592. [PMID: 36416245 DOI: 10.1021/acsami.2c18664] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Full-thickness oral mucosal defects are accompanied by significant blood loss and frequent infections. Instead of conventional therapies that separate hemostasis and anti-inflammation in steps, emerging hydrogels can integrate multiple functions for the successive process after defect including hemostasis/inflammatory phase, proliferative phase, and remodeling phase. However, these functions can be easily compromised by rapid swelling and degradation of hydrogels in wet oral environment. Herein, a low-swelling adhesive hydrogel with rapid hemostasis and potent anti-inflammatory capability was developed using a dual cross-linking strategy as well as a safe and facile fabrication method. It was double cross-linked hydrogel consisting of gelatin methacrylate (GelMA), nanoclay, and tannic acid (TA) (referred to as GNT). GNT hydrogel exhibited low-swelling (one-eighth of that of GelMA), excellent stretchability (211.86%), and good adhesive properties (5 times the adhesive strength of GelMA). Physicochemical characterization illuminated the close interactions among the three components. A systematic investigation of the therapeutic effects of GNT hydrogels was performed. In vitro and in vivo experimental results demonstrated the potent hemostatic property and excellent antibacterial and anti-inflammatory effects of GNT hydrogels. The RNA sequencing analysis results for rat full-thickness oral mucosal samples showed that GNT reduced inflammation levels by down-regulating the expression of multiple inflammation-related pathways, including TNF and IL-17 pathways. It also enhanced the expression levels of tissue regeneration-related genes and thus accelerated defective mucosal repair. More importantly, the therapeutic effects of GNT were superior to those of a commercial oral tissue repair membrane when applied for full-thickness oral mucosal defect repair in rabbits. In summary, the prepared low-swelling adhesive GNT hydrogel with rapid hemostasis and potent anti-inflammatory is a promising therapy for full-thickness mucosal defect in the moist and dynamic oral environment.
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Affiliation(s)
- Junjin Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Yahong Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Wenjia Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Linxin Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Ruyi Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Yuting Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Qianbing Wan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Xibo Pei
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Junyu Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
| | - Jian Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu610041, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu610041, China
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