1
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Yang GN, Sun YBY, Roberts PK, Moka H, Sung MK, Gardner-Russell J, El Wazan L, Toussaint B, Kumar S, Machin H, Dusting GJ, Parfitt GJ, Davidson K, Chong EW, Brown KD, Polo JM, Daniell M. Exploring Single-cell RNA sequencing as a decision-making tool in the clinical management of Fuchs' Endothelial Corneal Dystrophy. Prog Retin Eye Res 2024:101286. [PMID: 38969166 DOI: 10.1016/j.preteyeres.2024.101286] [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: 01/17/2024] [Revised: 06/14/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
Single-cell RNA sequencing (scRNA-seq) has enabled the identification of novel gene signatures and cell heterogeneity in numerous tissues and diseases. Here we review the use of this technology for Fuchs' Endothelial Corneal Dystrophy (FECD). FECD is the most common indication for corneal endothelial transplantation worldwide. FECD is challenging to manage because it is genetically heterogenous, can be autosomal dominant or sporadic, and progress at different rates. Single-cell RNA sequencing has enabled the discovery of several FECD subtypes, each with associated gene signatures, and cell heterogeneity. Current FECD treatments are mainly surgical, with various Rho kinase (ROCK) inhibitors used to promote endothelial cell metabolism and proliferation following surgery. A range of emerging therapies for FECD including cell therapies, gene therapies, tissue engineered scaffolds, and pharmaceuticals are in preclinical and clinical trials. Unlike conventional disease management methods based on clinical presentations and family history, targeting FECD using scRNA-seq based precision-medicine has the potential to pinpoint the disease subtypes, mechanisms, stages, severities, and help clinicians in making the best decision for surgeries and the applications of therapeutics. In this review, we first discuss the feasibility and potential of using scRNA-seq in clinical diagnostics for FECD, highlight advances from the latest clinical treatments and emerging therapies for FECD, integrate scRNA-seq results and clinical notes from our FECD patients and discuss the potential of applying alternative therapies to manage these cases clinically.
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Affiliation(s)
- Gink N Yang
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Yu B Y Sun
- Department of Anatomy and Development Biology, Monash University, Clayton, Australia
| | - Philip Ke Roberts
- Department of Ophthalmology, Medical University Vienna, 18-20 Währinger Gürtel, Vienna, Austria
| | - Hothri Moka
- Mogrify Limited, 25 Cambridge Science Park Milton Road, Milton, Cambridge, United Kingdom
| | - Min K Sung
- Mogrify Limited, 25 Cambridge Science Park Milton Road, Milton, Cambridge, United Kingdom
| | - Jesse Gardner-Russell
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Layal El Wazan
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Bridget Toussaint
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Satheesh Kumar
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Heather Machin
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia; Lions Eye Donation Service, level 7, Smorgon Family Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia
| | - Gregory J Dusting
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Geraint J Parfitt
- Mogrify Limited, 25 Cambridge Science Park Milton Road, Milton, Cambridge, United Kingdom
| | - Kathryn Davidson
- Department of Anatomy and Development Biology, Monash University, Clayton, Australia
| | - Elaine W Chong
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia; Department of Ophthalmology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Karl D Brown
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia
| | - Jose M Polo
- Department of Ophthalmology, Medical University Vienna, 18-20 Währinger Gürtel, Vienna, Austria
| | - Mark Daniell
- Centre for Eye Research Australia, level 7, Peter Howson Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia; Ophthalmology, Department of Surgery, University of Melbourne and Royal Victorian Eye and Ear Hospital, East Melbourne, Victoria, Australia; Lions Eye Donation Service, level 7, Smorgon Family Wing, 32 Gisborne Street, East Melbourne, Victoria, Australia.
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2
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Sun P, Shen L, Li YB, Du LQ, Wu XY. Long-term observation after transplantation of cultured human corneal endothelial cells for corneal endothelial dysfunction. Stem Cell Res Ther 2022; 13:228. [PMID: 35659288 PMCID: PMC9166479 DOI: 10.1186/s13287-022-02889-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 02/01/2022] [Indexed: 11/10/2022] Open
Abstract
Background Corneal transplantation is the only way to treat serious corneal diseases caused by corneal endothelial dysfunction. However, the shortage of donor corneal tissues and human corneal endothelial cells (HCECs) remains a worldwide challenge. We cultivated HCECs by the use of a conditioned medium from orbital adipose-derived stem cells (OASC-CM) in vitro. Then the HCECs were used to treat animal corneal endothelial dysfunction models via cell transplantation. The purpose of this study was to conduct a long-term observation and evaluation after cell transplantation. Methods Orbital adipose-derived stem cells (OASCs) were isolated to prepare the conditioned medium (CM). HCECs were cultivated and expanded by the usage of the CM (CM-HCECs). Then, related corneal endothelial cell (CEC) markers were analyzed by immunofluorescence. The cell proliferation ability was also tested. CM-HCECs were then transplanted into monkey corneal endothelial dysfunction models by injection. We carried out a 24-month postoperative preclinical observation and verified the long-term effect by histological examination and transcriptome sequencing. Results CM-HCECs strongly expressed CEC-related markers and maintained polygonal cell morphology even after 10 passages. At 24 months after cell transplantation, there was a CEC density of more than 2400 cells per square millimeter (range, 2408–2685) in the experimental group. A corneal thickness (CT) of less than 550 μm (range, 490–510) was attained. Gene sequencing showed that the gene expression pattern of CM-HCECs was similar to that of transplanted cells and HCECs. Conclusions Transplantation of CM-HCECs into monkey corneal endothelial dysfunction models resulted in a transparent cornea after 24 months. This research provided a promising prospect of cell-based therapy for corneal endothelial diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02889-x.
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Affiliation(s)
- Peng Sun
- Department of Ophthalmology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Lin Shen
- Department of Ophthalmology, Qilu Hospital of Shandong University, Jinan, China
| | - Yuan-Bin Li
- Department of Ophthalmology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Li-Qun Du
- Department of Ophthalmology, Qilu Hospital of Shandong University, Jinan, China
| | - Xin-Yi Wu
- Department of Ophthalmology, Qilu Hospital of Shandong University, Jinan, China.
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3
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Parekh M, Wongvisavavit R, Cubero Cortes ZM, Wojcik G, Romano V, Tabernero SS, Ferrari S, Ahmad S. Alternatives to endokeratoplasty: an attempt towards reducing global demand of human donor corneas. Regen Med 2022; 17:461-475. [PMID: 35481361 DOI: 10.2217/rme-2021-0149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The cornea is an anterior transparent tissue of the eye that enables the transmission of surrounding light to the back of the eye, which is essential for maintaining clear vision. Corneal endothelial diseases can lead to partial or total blindness; hence, surgical replacement of the diseased corneal tissue with a healthy cadaveric donor graft becomes necessary when the endothelium is damaged. Keratoplasties face a huge challenge due to a worldwide shortage in the supply of human donor corneas. Hence, alternative solutions such as cell or tissue engineering-based therapies have been investigated for reducing the global demand of donor corneas. This review aims at highlighting studies that have been successful at replacing partial or total endothelial keratoplasty.
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Affiliation(s)
- Mohit Parekh
- Institute of Ophthalmology, University College London, London, EC1V 9EL,UK
| | - Rintra Wongvisavavit
- Institute of Ophthalmology, University College London, London, EC1V 9EL,UK.,Faculty of Medicine & Public Health, HRH Princess Chulabhorn College of Medical Science, Chulabhorn Royal Academy, Bangkok, 10210, Thailand
| | | | - Gabriela Wojcik
- International Center for Ocular Physiopathology, Fondazione Banca degli Occhi del Veneto Onlus, Venice, 30174, Italy
| | - Vito Romano
- St Paul's Eye Unit, Royal Liverpool University Hospital, Liverpool, L7 8XP, UK.,Department of Ageing & Chronic Diseases, University of Liverpool, Liverpool, L7 8XL, UK
| | - Sara Sanchez Tabernero
- Cornea & external eye disease, Moorfields Eye Hospital NHS Trust Foundation, London, EC1V 2PD, UK
| | - Stefano Ferrari
- International Center for Ocular Physiopathology, Fondazione Banca degli Occhi del Veneto Onlus, Venice, 30174, Italy
| | - Sajjad Ahmad
- Institute of Ophthalmology, University College London, London, EC1V 9EL,UK.,Cornea & external eye disease, Moorfields Eye Hospital NHS Trust Foundation, London, EC1V 2PD, UK
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4
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Sang S, Yan Y, Shen Z, Cao Y, Duan Q, He M, Zhang Q. Photo-crosslinked hydrogels for tissue engineering of corneal epithelium. Exp Eye Res 2022; 218:109027. [PMID: 35276182 DOI: 10.1016/j.exer.2022.109027] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/28/2022] [Accepted: 03/02/2022] [Indexed: 11/04/2022]
Abstract
The vast majority of patients with corneal blindness cannot recover their vision due to the serious shortage of donor cornea. However, the technology to construct a feasible corneal substitute is a promising treatment method for corneal blindness. In this paper, methacrylated gelatin (GelMA)-methacrylated hyaluronic acid (HAMA) double network (GHDN) hydrogels were prepared by modifying gelatin and hyaluronic acid with methacrylate anhydride (MA). GHDN hydrogel was compared with GelMA single network and HAMA single network hydrogels through characterization experiments of mechanical properties, optical properties, hydrophilicity and in-situ degradation in vitro. At the same time, the biocompatibility of hydrogel was tested by inoculating rabbit corneal epithelial cells (CEpCs) epidermal cells on hydrogels using CCK-8 test, live/dead staining, immunofluorescence staining and qRT-PCR. It was found that the GHDN hydrogel has optical transparency in the visible region, and its mechanical properties are better than those of GelMA and HAMA hydrogels, and its hydrophilicity is similar to that of normal human corneas. The results of in vitro hydrogel culture of CEpCs showed that the proliferation of CEpCs on GHDN hydrogel was two times higher than that of HAMA hydrogel, and the expression of specific marker Cytokeratin 3 (CK3) and Cytokeratin 12 (CK12) could be better maintained on GHDN hydrogel. All the experimental results proved that GHDN hydrogel has good physical properties and biocompatibility and is a potential candidate for corneal tissue engineering scaffolds.
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Affiliation(s)
- Shengbo Sang
- Micro Nano System Research Center, College of Information and Computer & Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yayun Yan
- Micro Nano System Research Center, College of Information and Computer & Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Zhizhong Shen
- Micro Nano System Research Center, College of Information and Computer & Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yanyan Cao
- Micro Nano System Research Center, College of Information and Computer & Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China; College of Information Science and Engineering, Hebei North University, Zhangjiakou, 075000, China
| | - Qianqian Duan
- Micro Nano System Research Center, College of Information and Computer & Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Min He
- Department of Ophthalmology, The Second Hospital of Shanxi Medical University, Taiyuan, 030001, China.
| | - Qiang Zhang
- Micro Nano System Research Center, College of Information and Computer & Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China.
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5
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Spinozzi D, Miron A, Bruinsma M, Dapena I, Kocaba V, Jager MJ, Melles GRJ, Ni Dhubhghaill S, Oellerich S. New developments in corneal endothelial cell replacement. Acta Ophthalmol 2021; 99:712-729. [PMID: 33369235 DOI: 10.1111/aos.14722] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/20/2020] [Indexed: 12/16/2022]
Abstract
Corneal transplantation is currently the most effective treatment to restore corneal clarity in patients with endothelial disorders. Endothelial transplantation, either by Descemet membrane endothelial keratoplasty (DMEK) or by Descemet stripping (automated) endothelial keratoplasty (DS(A)EK), is a surgical approach that replaces diseased Descemet membrane and endothelium with tissue from a healthy donor eye. Its application, however, is limited by the availability of healthy donor tissue. To increase the pool of endothelial grafts, research has focused on developing new treatment options as alternatives to conventional corneal transplantation. These treatment options can be considered as either 'surgery-based', that is tissue-efficient modifications of the current techniques (e.g. Descemet stripping only (DSO)/Descemetorhexis without endothelial keratoplasty (DWEK) and Quarter-DMEK), or 'cell-based' approaches, which rely on in vitro expansion of human corneal endothelial cells (hCEC) (i.e. cultured corneal endothelial cell sheet transplantation and cell injection). In this review, we will focus on the most recent developments in the field of the 'cell-based' approaches. Starting with the description of aspects involved in the isolation of hCEC from donor tissue, we then describe the different natural and bioengineered carriers currently used in endothelial cell sheet transplantation, and finally, we discuss the current 'state of the art' in novel therapeutic approaches such as endothelial cell injection.
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Affiliation(s)
- Daniele Spinozzi
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
| | - Alina Miron
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
| | - Marieke Bruinsma
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
| | - Isabel Dapena
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
- Melles Cornea Clinic Rotterdam The Netherlands
| | - Viridiana Kocaba
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
- Melles Cornea Clinic Rotterdam The Netherlands
- Tissue Engineering and Stem Cell Group Singapore Eye Research Institute Singapore Singapore
| | - Martine J. Jager
- Department of Ophthalmology Leiden University Medical Center Leiden The Netherlands
| | - Gerrit R. J. Melles
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
- Melles Cornea Clinic Rotterdam The Netherlands
- Amnitrans EyeBank Rotterdam The Netherlands
| | - Sorcha Ni Dhubhghaill
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
- Melles Cornea Clinic Rotterdam The Netherlands
- Antwerp University Hospital (UZA) Edegem Belgium
| | - Silke Oellerich
- Netherlands Institute for Innovative Ocular Surgery Rotterdam The Netherlands
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6
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Faye PA, Poumeaud F, Chazelas P, Duchesne M, Rassat M, Miressi F, Lia AS, Sturtz F, Robert PY, Favreau F, Benayoun Y. Focus on cell therapy to treat corneal endothelial diseases. Exp Eye Res 2021; 204:108462. [PMID: 33493477 DOI: 10.1016/j.exer.2021.108462] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 02/06/2023]
Abstract
The cornea is a multi-layered structure which allows fine refraction and provides both resistance to external insults and adequate transparency. The corneal endothelium ensures stromal hydration, failure of which, such as in Fuchs endothelial corneal dystrophy, after trauma or in aging, may lead to loss of corneal transparency and induce blindness. Currently, no efficient therapeutic alternatives exist except for corneal grafting. Thus corneal tissue engineering represents a valuable alternative approach, which may overcome cornea donor shortage. Several studies describe protocols to isolate, differentiate, and cultivate corneal endothelial cells (CEnCs) in vitro. Two main in vitro strategies can be described: expansion of eye-native cell populations, such as CEnCs, or the production and expansion of CEnCs from non-eye native cell populations, such as induced Pluripotent Stem Cells (iPSCs). The challenge with these cells is to obtain a monolayer of CEnCs on a biocompatible carrier, with a specific morphology (flat hexagonal cells), and with specific functions such as programmed cell cycle arrest. Another issue for this cell culture methodology is to define the adapted protocol (media, trophic factors, timeframe) that can mimic physiological development. Additionally, contamination by other cell types still represents a huge problem. Thus, purification methods, such as Fluorescence Activated Cell Sorting (FACS), Magnetic Ativated Cell Sorting (MACS) or Sedimentation Field Flow Fractionation (SdFFF) are useful. Animal models are also crucial to provide a translational approach for these therapies, integrating macro- and microenvironment influences, systemic hormonal or immune responses, and exogenous interactions. Non-eye native cell graft protocols are constantly improving both in efficacy and safety, with the aim of being the most suitable candidate for corneal therapies in future routine practice. The aim of this work is to review these different aspects with a special focus on issues facing CEnC culture in vitro, and to highlight animal graft models adapted to screen the efficacy of these different protocols.
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Affiliation(s)
- Pierre Antoine Faye
- CHU de Limoges, Service de Biochimie et Génétique Moléculaire, F-87000, Limoges, France; Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France.
| | - François Poumeaud
- Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France
| | - Pauline Chazelas
- CHU de Limoges, Service de Biochimie et Génétique Moléculaire, F-87000, Limoges, France; Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France
| | - Mathilde Duchesne
- Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France; CHU de Limoges, Laboratoire de Neurologie, F-87000, Limoges, France; CHU de Limoges, Service d'Anatomie Pathologique, F-87000, Limoges, France
| | - Marion Rassat
- Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France
| | - Federica Miressi
- Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France
| | - Anne Sophie Lia
- CHU de Limoges, Service de Biochimie et Génétique Moléculaire, F-87000, Limoges, France; Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France; CHU Limoges, UF de Bioinformatique, F-87000, Limoges France
| | - Franck Sturtz
- CHU de Limoges, Service de Biochimie et Génétique Moléculaire, F-87000, Limoges, France; Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France
| | | | - Frédéric Favreau
- CHU de Limoges, Service de Biochimie et Génétique Moléculaire, F-87000, Limoges, France; Université de Limoges, Faculté de Médecine, Maintenance Myélinique et Neuropathies Périphériques, EA6309, F-87000, Limoges, France
| | - Yohan Benayoun
- Chénieux Ophtalmologie, Polyclinique de Limoges ELSAN, F-87000, Limoges, France
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7
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Dos Santos HT, Kim K, Okano T, Camden JM, Weisman GA, Baker OJ, Nam K. Cell Sheets Restore Secretory Function in Wounded Mouse Submandibular Glands. Cells 2020; 9:cells9122645. [PMID: 33316992 PMCID: PMC7763220 DOI: 10.3390/cells9122645] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 12/18/2022] Open
Abstract
Thermoresponsive cell culture plates release cells as confluent living sheets in response to small changes in temperature, with recovered cell sheets retaining functional extracellular matrix proteins and tight junctions, both of which indicate formation of intact and functional tissue. Our recent studies demonstrated that cell sheets are highly effective in promoting mouse submandibular gland (SMG) cell differentiation and recovering tissue integrity. However, these studies were performed only at early time points and extension of the observation period is needed to investigate duration of the cell sheets. Thus, the goal of this study was to demonstrate that treatment of wounded mouse SMG with cell sheets is capable of increasing salivary epithelial integrity over extended time periods. The results indicate that cell sheets promote tissue organization as early as eight days after transplantation and that these effects endure through Day 20. Furthermore, cell sheet transplantation in wounded SMG induces a significant time-dependent enhancement of cell polarization, differentiation and ion transporter expression. Finally, this treatment restored saliva quantity to pre-wounding levels at both eight and twenty days post-surgery and significantly improved saliva quality at twenty days post-surgery. These data indicate that cell sheets engineered with thermoresponsive cell culture plates are useful for salivary gland regeneration and provide evidence for the long-term stability of cell sheets, thereby offering a potential new therapeutic strategy for treating hyposalivation.
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Affiliation(s)
- Harim T Dos Santos
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
- Department of Otolaryngology-Head and Neck Surgery, School of Medicine, University of Missouri, Columbia, MO 65212, USA
| | - Kyungsook Kim
- Cell Sheet Tissue Engineering Center (CSTEC), Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT 84112, USA
| | - Teruo Okano
- Cell Sheet Tissue Engineering Center (CSTEC), Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT 84112, USA
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, Tokyo 162-8666, Japan
| | - Jean M Camden
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, USA
| | - Gary A Weisman
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, USA
| | - Olga J Baker
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
- Department of Otolaryngology-Head and Neck Surgery, School of Medicine, University of Missouri, Columbia, MO 65212, USA
- Department of Biochemistry, University of Missouri, Columbia, MO 65211, USA
| | - Kihoon Nam
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
- Department of Otolaryngology-Head and Neck Surgery, School of Medicine, University of Missouri, Columbia, MO 65212, USA
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8
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Khalili M, Asadi M, Kahroba H, Soleyman MR, Andre H, Alizadeh E. Corneal endothelium tissue engineering: An evolution of signaling molecules, cells, and scaffolds toward 3D bioprinting and cell sheets. J Cell Physiol 2020; 236:3275-3303. [PMID: 33090510 DOI: 10.1002/jcp.30085] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 08/31/2020] [Accepted: 09/21/2020] [Indexed: 12/12/2022]
Abstract
Cornea is an avascular and transparent tissue that focuses light on retina. Cornea is supported by the corneal-endothelial layer through regulation of hydration homeostasis. Restoring vision in patients afflicted with corneal endothelium dysfunction-mediated blindness most often requires corneal transplantation (CT), which faces considerable constrictions due to donor limitations. An emerging alternative to CT is corneal endothelium tissue engineering (CETE), which involves utilizing scaffold-based methods and scaffold-free strategies. The innovative scaffold-free method is cell sheet engineering, which typically generates cell layers surrounded by an intact extracellular matrix, exhibiting tunable release from the stimuli-responsive surface. In some studies, scaffold-based or scaffold-free technologies have been reported to achieve promising outcomes. However, yet some issues exist in translating CETE from bench to clinical practice. In this review, we compare different corneal endothelium regeneration methods and elaborate on the application of multiple cell types (stem cells, corneal endothelial cells, and endothelial precursors), signaling molecules (growth factors, cytokines, chemical compounds, and small RNAs), and natural and synthetic scaffolds for CETE. Furthermore, we discuss the importance of three-dimensional bioprinting strategies and simulation of Descemet's membrane by biomimetic topography. Finally, we dissected the recent advances, applications, and prospects of cell sheet engineering for CETE.
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Affiliation(s)
- Mostafa Khalili
- Drug Applied Research Center and Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Asadi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Houman Kahroba
- Biomedicine Institute, and Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Reza Soleyman
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Helder Andre
- Department of Clinical Neuroscience, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Effat Alizadeh
- Drug Applied Research Center and Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Mahdavi SS, Abdekhodaie MJ, Mashayekhan S, Baradaran-Rafii A, Djalilian AR. Bioengineering Approaches for Corneal Regenerative Medicine. Tissue Eng Regen Med 2020; 17:567-593. [PMID: 32696417 PMCID: PMC7373337 DOI: 10.1007/s13770-020-00262-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/06/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Since the cornea is responsible for transmitting and focusing light into the eye, injury or pathology affecting any layer of the cornea can cause a detrimental effect on visual acuity. Aging is also a reason for corneal degeneration. Depending on the level of the injury, conservative therapies and donor tissue transplantation are the most common treatments for corneal diseases. Not only is there a lack of donor tissue and risk of infection/rejection, but the inherent ability of corneal cells and layers to regenerate has led to research in regenerative approaches and treatments. METHODS In this review, we first discussed the anatomy of the cornea and the required properties for reconstructing layers of the cornea. Regenerative approaches are divided into two main categories; using direct cell/growth factor delivery or using scaffold-based cell delivery. It is expected delivered cells migrate and integrate into the host tissue and restore its structure and function to restore vision. Growth factor delivery also has shown promising results for corneal surface regeneration. Scaffold-based approaches are categorized based on the type of scaffold, since it has a significant impact on the efficiency of regeneration, into the hydrogel and non-hydrogel based scaffolds. Various types of cells, biomaterials, and techniques are well covered. RESULTS The most important characteristics to be considered for biomaterials in corneal regeneration are suitable mechanical properties, biocompatibility, biodegradability, and transparency. Moreover, a curved shape structure and spatial arrangement of the fibrils have been shown to mimic the corneal extracellular matrix for cells and enhance cell differentiation. CONCLUSION Tissue engineering and regenerative medicine approaches showed to have promising outcomes for corneal regeneration. However, besides proper mechanical and optical properties, other factors such as appropriate sterilization method, storage, shelf life and etc. should be taken into account in order to develop an engineered cornea for clinical trials.
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Affiliation(s)
- S Sharareh Mahdavi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, 1393 Azadi Ave., Tehran, 11365-11155, Iran
| | - Mohammad J Abdekhodaie
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, 1393 Azadi Ave., Tehran, 11365-11155, Iran.
| | - Shohreh Mashayekhan
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, 1393 Azadi Ave., Tehran, 11365-11155, Iran
| | - Alireza Baradaran-Rafii
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, SBUMS, Arabi Ave, Daneshjoo Blvd, Velenjak, Tehran, 19839-63113, Iran
| | - Ali R Djalilian
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, 1200 W Harrison St, Chicago, IL, 60607, USA
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10
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Milanesi A, Magni G, Centi S, Schifino G, Aluigi A, Khlebtsov BN, Cavigli L, Barucci A, Khlebtsov NG, Ratto F, Rossi F, Pini R. Optically activated and interrogated plasmonic hydrogels for applications in wound healing. JOURNAL OF BIOPHOTONICS 2020; 13:e202000135. [PMID: 32542912 DOI: 10.1002/jbio.202000135] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/30/2020] [Accepted: 06/02/2020] [Indexed: 06/11/2023]
Abstract
We disclose the use of hybrid materials featuring Au/Ag core/shell nanorods in porous chitosan/polyvinyl alcohol scaffolds for applications in tissue engineering and wound healing. The combination of Au and Ag in a single construct provides synergistic opportunities for optical activation of functions as near infrared laser tissue bonding, and remote interrogation to return parameters of prognostic relevance in wound healing monitoring. In particular, the bimetallic component ensures optical tunability, enhanced shelf life and photothermal stability, serves as a reservoir of germicidal silver cations, and changes in near-infrared and visible color according to the environmental level of oxidative stress. At the same time, the polymeric blend is ideal to bind connective tissue upon photothermal activation, and to support fabrication processes that provide high porosity, such as electrospinning, thus putting all the premises for cellular repopulation and antimicrobial protection.
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Affiliation(s)
- Alessio Milanesi
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
- Dipartimento di Chimica "Ugo Schiff", Universitá degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
| | - Giada Magni
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Sonia Centi
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Gioacchino Schifino
- Istituto per la Sintesi Organica e la Fotoreattivitá, Consiglio Nazionale delle Ricerche, Bologna, Italy
| | - Annalisa Aluigi
- Istituto per la Sintesi Organica e la Fotoreattivitá, Consiglio Nazionale delle Ricerche, Bologna, Italy
| | - Boris N Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
| | - Lucia Cavigli
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Andrea Barucci
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Nikolai G Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
- Faculty of Nano- and Biomedical Technologies, Saratov State University, Saratov, Russia
| | - Fulvio Ratto
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Francesca Rossi
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Roberto Pini
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
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11
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Brown KD, Dusting GJ, Daniell M. Emerging Technologies to Solve the Key Issues in Endothelial Keratoplasty. CURRENT OPHTHALMOLOGY REPORTS 2020. [DOI: 10.1007/s40135-020-00251-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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Zhao C, Zhou Q, Duan H, Wang X, Jia Y, Gong Y, Li W, Dong C, Li Z, Shi W. Laminin 511 Precoating Promotes the Functional Recovery of Transplanted Corneal Endothelial Cells. Tissue Eng Part A 2020; 26:1158-1168. [PMID: 32495687 DOI: 10.1089/ten.tea.2020.0047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Corneal endothelial dysfunction is a major cause of corneal blindness and is mainly treated by corneal transplantation. However, the global shortage of donor cornea hampers its application. Intracameral injection of cultured primary corneal endothelial cells (CECs) was recently confirmed in clinical trials. However, abnormal adhesion of the grafted CECs affects the application of this strategy. In this study, we explored if laminin 511 (LN511) improves the therapeutic function of the intracameral CEC injection for corneal endothelial dysfunction. To mimic the late stage of corneal endothelial diseases, intense scraping was developed to remove CECs and extracellular matrix of the posterior Descemet's membrane (DM) without DM removal in rabbits. Then, Dulbecco's phosphate-buffered saline (DPBS) and LN511 were intracamerally injected as the control and intervention groups, respectively. We found that the injected LN511 could settle and form a coating on the posterior surface of DM. After CEC transplantation, corneal clarity of rabbits in the LN511 group was rapidly recovered within 7 days, whereas the corneal recovery took 14 days in the DPBS group. Corneal thickness of LN511 group decreased to 413.3 ± 20.8 μm 7 days after operation, which was significantly lower than 1086.3 ± 78.6 μm of DPBS group (p < 0.01). Moreover, for the grafted CECs, LN511 promoted the rapid adhesion, tight junction formation, and expression of Na+/K+-ATPase and ZO-1. In vitro analysis revealed that the functions of LN511 on the cultured human CECs mechanistically depended on the cell density and the nuclear-cytoplasmic translocation of the Yes-associated protein. Our study demonstrated that LN511 precoating promoted the adhesion of the transplanted CECs and enhanced the functional regeneration of the corneal endothelium. Thus, our data suggested that the strategy of LN511 precoating and CECs' intracameral injection could be a potential method for the therapy of corneal endothelial dysfunction. Impact statement Intracameral injection of cultured corneal endothelial cells (CECs) is a potential alternative therapy for corneal endothelial dysfunction and has been proven to be effective in clinical trials. However, abnormal adhesion of the grafted CECs affects its application. In this study, intense scraping was developed to remove CECs and extracellular matrix of the posterior Descemet's membrane (DM) without DM removal for the therapy of late stage of corneal endothelial diseases. Laminin 511 was intracamerally injected to form a coating, improve the posterior DM, enhance the adhesion of the grafted CECs, and promote the functional regeneration of CEC transplantation through Yes-associated protein signaling.
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Affiliation(s)
- Can Zhao
- Department of Medicine, Qingdao University, Qingdao, China.,Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Qingjun Zhou
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Haoyun Duan
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Xin Wang
- Department of Medicine, Qingdao University, Qingdao, China.,Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Yanni Jia
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China.,Eye Hospital of Shandong First Medical University, Shandong Eye Hospital, Jinan, China
| | - Yajie Gong
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Wenjing Li
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Chunxiao Dong
- Department of Medicine, Qingdao University, Qingdao, China.,Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Zongyi Li
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Weiyun Shi
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.,State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China.,Eye Hospital of Shandong First Medical University, Shandong Eye Hospital, Jinan, China
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