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Boroumand S, Rahmani M, Sigaroodi F, Ganjoury C, Parandakh A, Bonakdar A, Khani MM, Soleimani M. The landscape of clinical trials in corneal regeneration: A systematic review of tissue engineering approaches in corneal disease. J Biomed Mater Res B Appl Biomater 2024; 112:e35449. [PMID: 39032135 DOI: 10.1002/jbm.b.35449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 04/27/2024] [Accepted: 06/19/2024] [Indexed: 07/22/2024]
Abstract
The limited availability of a healthy donor cornea and the incidence of allograft failure led researchers to seek other corneal substitutes via tissue engineering. Exploring the trend of clinical trials of the cornea with the vision of tissue engineering provides an opportunity to reveal future potential corneal substitutes. The results of this clinical trial are beneficial for future study designs to overcome the limitations of current therapeutic approaches. In this study, registered clinical trials of bio-based approaches were reviewed for corneal regeneration on March 22, 2024. Among the 3955 registered trials for the cornea, 392 trials were included in this study, which categorized in three main bio-based scaffolds, stem cells, and bioactive macromolecules. In addition to the acellular cornea and human amniotic membrane, several bio-based materials have been introduced as corneal substrates such as collagen, fibrin, and agarose. However, some synthetic materials have been introduced in recent studies to improve the desired properties of bio-based scaffolds for corneal substitutes. Nevertheless, new insights into corneal regenerative medicine have recently emerged from cell sheets with autologous and allogeneic cell sources. In addition, the future perspective of corneal regeneration is described through a literature review of recent experimental models.
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Affiliation(s)
- Safieh Boroumand
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahya Rahmani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Faraz Sigaroodi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Camellia Ganjoury
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Azim Parandakh
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Bonakdar
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad-Mehdi Khani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Soleimani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Zhang T, Shao M, Li H, Chen X, Zhang R, Wu J, Wang J, Guo Y. Decellularized Amnion Membrane Triggers Macrophage Polarization for Desired Host Immune Response. Adv Healthc Mater 2024:e2402139. [PMID: 39039984 DOI: 10.1002/adhm.202402139] [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: 06/10/2024] [Revised: 07/11/2024] [Indexed: 07/24/2024]
Abstract
Appropriate regulation of immunomodulatory responses, particularly acute inflammation involving macrophages, is crucial for the desired functionality of implants. Decellularized amnion membrane (DAM) is produced by removing cellular components and antigenicity, expected to reduce immunogenicity and the risk of inflammation. Despite the potential of DAM as biomaterial implants, few studies have investigated its specific effects on immunomodulation. Here, it is demonstrated that DAM can regulate macrophage-driven inflammatory response and potential mechanisms are investigated. In vitro results show that DAM significantly inhibits M1 polarization in LPS-induced macrophages by inhibiting Toll-like receptors (TLR) signaling pathway and TNF signaling pathway and promotes macrophage M2 polarization. Physical signals from the 3D micro-structure and the active protein, DCN, binding to key targets may play roles in the process. In the subcutaneous implant model in rats, DAM inhibits the persistence of inflammation and fibrous capsule formation, while promoting M2 macrophage polarization, thereby facilitating tissue regeneration. This study provides insights into DAM's effect and potential mechanisms on the balance of M1/M2 macrophage polarization in vitro and vivo, emphasizing the immunomodulation of ECM-based materials as promising implants.
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Affiliation(s)
- Tong Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Mingfei Shao
- Hangzhou CASbios Medical Co., Hangzhou, 310000, P. R. China
| | - Hanfeng Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Xin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Ruiying Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Jingwen Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Hangzhou CASbios Medical Co., Hangzhou, 310000, P. R. China
| | - Jianing Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yanchuan Guo
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
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Pinky, Sharma A, Arora V, Rao EP, Arava S, Agrawal AK, Jassal M, Mohanty S. Modulating the hAM/PCL Biocomposite for Expedited Wound Healing: A Chemical-Free Approach for Boosting Regenerative Potential. ACS Biomater Sci Eng 2024; 10:3842-3854. [PMID: 38754076 DOI: 10.1021/acsbiomaterials.3c01740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
There is an arising need for effective wound dressings that retain the bioactivity of a cellular treatment, but without the high costs and complexities associated with manufacturing, storing, and applying cell-based products. As skin wound recovery is a dynamic and complicated process, a significant obstacle to the healing of skin wounds is the lack of an appropriate wound dressing that can imitate the microenvironment of healthy skin and prevent bacterial infection. It requires the well-orchestrated integration of biological and molecular events. In this study, we have fabricated full-thickness skin graft biocomposite membranes to target full-thickness skin excision wounds. We reinforced human amniotic membrane (hAM) with electrospun polycaprolactone (PCL) to develop composite membranes, namely, PCL/hAM and PCL/hAM/PCL. Composite membranes were compared for physical, biological, and mechanical properties with the native counterpart. PCL/hAM and PCL/hAM/PCL displayed improved stability and delayed degradation, which further synergically improved the rapid wound healing property of hAM, driven primarily by wound closure analysis and histological assessment. Moreover, PCL/hAM displayed a comparable cellular interaction to hAM. On application as a wound dressing, histological analysis demonstrated that hAM and PCL/hAM promoted early epidermis and dermis formation. Studies on in vivo wound healing revealed that although hAM accelerates cell development, the overall wound healing process is similar in PCL/hAM. This finding is further supported by the immunohistochemical analysis of COL-1/COL-3, CD-31, and TGF-β. Overall, this conjugated PCL and hAM-based membrane has considerable potential to be applied in skin wound healing. The facile fabrication of the PCL/hAM composite membrane provided the self-regenerating wound dressing with the desired mechanical strength as an ideal regenerative property for skin tissue regeneration.
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Affiliation(s)
- Pinky
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Aarushi Sharma
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Varun Arora
- SMITA Research Lab, Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - E Pranshu Rao
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Sudheer Arava
- Department of Pathology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Ashwini K Agrawal
- SMITA Research Lab, Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Manjeet Jassal
- SMITA Research Lab, Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Sujata Mohanty
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
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Gavali P, Desai J, Shah P, Sawarkar S. Transmucosal Delivery of Peptides and Proteins Through Nanofibers: Current Status and Emerging Developments. AAPS PharmSciTech 2024; 25:74. [PMID: 38575778 DOI: 10.1208/s12249-024-02794-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 03/16/2024] [Indexed: 04/06/2024] Open
Abstract
Advancements in recombinant DNA technology have made proteins and peptides available for diagnostic and therapeutic applications, but their effectiveness when taken orally leads to poor patient compliance, requiring clinical administration. Among the alternative routes, transmucosal delivery has the advantage of being noninvasive and bypassing hepato-gastrointestinal clearance. Various mucosal routes-buccal, nasal, pulmonary, rectal, and vaginal-have been explored for delivering these macromolecules. Nanofibers, due to their unique properties like high surface-area-to-volume ratio, mechanical strength, and improved encapsulation efficiency, serve as promising carriers for proteins and peptides. These nanofibers can be tailored for quick dissolution, controlled release, enhanced encapsulation, targeted delivery, and improved bioavailability, offering superior pharmaceutical and pharmacokinetic performance compared to conventional methods. This leads to reduced dosages, fewer side effects, and enhanced patient compliance. Hence, nanofibers hold tremendous potential for protein/peptide delivery, especially through mucosal routes. This review focuses on the therapeutic application of proteins and peptides, challenges faced in their conventional delivery, techniques for fabricating different types of nanofibers and, various nanofiber-based dosage forms, and factors influencing nanofiber generation. Insights pertaining to the precise selection of materials used for fabricating nanofibers and regulatory aspects have been covered. Case studies wherein the use of specific protein/peptide-loaded nanofibers and delivered via oral/vaginal/nasal mucosa for diagnostic/therapeutic use and related preclinical and clinical studies conducted have been included in this review.
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Affiliation(s)
- Priyanka Gavali
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Mumbai, 1st Floor Gate No. 1, Mithibai College Campus, VM Road, Vile Parle West, 400056, Maharashtra, India
| | - Jagruti Desai
- Department of Pharmaceutics and Pharmaceutical Technology, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology (CHARUSAT), CHARUSAT Campus, Changa, 388421, India
| | - Pranav Shah
- Maliba Pharmacy College, Uka Tarsadia University, Maliba Campus, Gopal Vidyanagar, Bardoli-Mahuva Road, Tarsadi, Surat, 394350, Gujrat, India
| | - Sujata Sawarkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Mumbai, 1st Floor Gate No. 1, Mithibai College Campus, VM Road, Vile Parle West, 400056, Maharashtra, India.
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Gui Y, He Y, Wang D, Wang S, Zhang Y. Advances in Cell Transplantation Therapy for Limbal Stem Cell Deficiency. Curr Stem Cell Res Ther 2024; 19:933-941. [PMID: 37605422 DOI: 10.2174/1574888x18666230821102450] [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: 11/22/2022] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 08/23/2023]
Abstract
BACKGROUND Limbal stem cells (LSCs) are essential for maintaining corneal transparency and ocular surface integrity. Many external factors or genetic diseases can lead to corneal limbal stem cell deficiency (LSCD), resulting in the loss of barrier and corneal epithelial cell renewal functions. Stem cell transplantation is one of the primary treatments for LSCD, including limbal transplantation and cultivated limbal epithelial transplantation. In addition, a variety of non-limbal stem cell lines have been experimented with for LSCD treatment. Biological scaffolds are also used to support in vitro stem cell culture and transplantation. Here, we review the mechanisms of corneal maintenance by LSCs, the clinical stage and surgical treatment of LSCD, the source of stem cells, and the biological scaffolds required for in vitro culture. METHODS This study is a narrative retrospective study aimed at collecting available information on various aspects of surgical treatments for LSCD. Relevant literature was searched in a range of online databases, including Web of Science, Scopus, and PubMed from 2005 to March, 2023. RESULTS A total of 397 relevant articles were found, and 49 articles with strong relevance to the studies in this paper were obtained and analyzed. Moreover, 11 of these articles were on the concept of LSCD and the mechanism of LESCs maintaining the corneal epithelium, 3 articles on the staging and grading of LSCD, 17 articles on cell transplantation methods and donor cell sources, and 18 articles on scaffolds for delivering stem cells. We also summarized the advantages and disadvantages of different cell transplantation methods and the benefits and limitations of scaffolds based on the above literature. CONCLUSION The treatment of LSCD is determined by the clinical stage and whether it involves monocular or binocular eyes. Appropriate surgical techniques should be taken for LSCD patients in order to reconstruct the ocular surface, relieve symptoms, and restore visual function. Meanwhile, biological scaffolds assist in the ex vivo culture and implantation of stem cells.
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Affiliation(s)
- Yujia Gui
- Department of Ophthalmology, the Second Hospital of Jilin University, Changchun, China
| | - Yuxi He
- Department of Ophthalmology, the Second Hospital of Jilin University, Changchun, China
| | - Di Wang
- Department of Ophthalmology, the Second Hospital of Jilin University, Changchun, China
| | - Shurong Wang
- Department of Ophthalmology, the Second Hospital of Jilin University, Changchun, China
| | - Yan Zhang
- Department of Ophthalmology, the Second Hospital of Jilin University, Changchun, China
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Loiseau A, Raîche-Marcoux G, Maranda C, Bertrand N, Boisselier E. Animal Models in Eye Research: Focus on Corneal Pathologies. Int J Mol Sci 2023; 24:16661. [PMID: 38068983 PMCID: PMC10706114 DOI: 10.3390/ijms242316661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 09/27/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
The eye is a complex sensory organ that enables visual perception of the world. The dysfunction of any of these tissues can impair vision. Conduction studies on laboratory animals are essential to ensure the safety of therapeutic products directly applied or injected into the eye to treat ocular diseases before eventually proceeding to clinical trials. Among these tissues, the cornea has unique homeostatic and regenerative mechanisms for maintaining transparency and refraction of external light, which are essential for vision. However, being the outermost tissue of the eye and directly exposed to the external environment, the cornea is particularly susceptible to injury and diseases. This review highlights the evidence for selecting appropriate animals to better understand and treat corneal diseases, which rank as the fifth leading cause of blindness worldwide. The development of reliable and human-relevant animal models is, therefore, a valuable research tool for understanding and translating fundamental mechanistic findings, as well as for assessing therapeutic potential in humans. First, this review emphasizes the unique characteristics of animal models used in ocular research. Subsequently, it discusses current animal models associated with human corneal pathologies, their utility in understanding ocular disease mechanisms, and their role as translational models for patients.
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Affiliation(s)
- Alexis Loiseau
- Faculty of Medicine, Department of Ophthalmology and Otolaryngology—Head and Neck Surgery, CHU de Québec Research Center, Université Laval, Québec, QC G1S 4L8, Canada; (G.R.-M.); (C.M.)
| | - Gabrielle Raîche-Marcoux
- Faculty of Medicine, Department of Ophthalmology and Otolaryngology—Head and Neck Surgery, CHU de Québec Research Center, Université Laval, Québec, QC G1S 4L8, Canada; (G.R.-M.); (C.M.)
| | - Cloé Maranda
- Faculty of Medicine, Department of Ophthalmology and Otolaryngology—Head and Neck Surgery, CHU de Québec Research Center, Université Laval, Québec, QC G1S 4L8, Canada; (G.R.-M.); (C.M.)
| | - Nicolas Bertrand
- Faculty of Pharmacy, CHU de Quebec Research Center, Université Laval, Québec, QC G1V 4G2, Canada;
| | - Elodie Boisselier
- Faculty of Medicine, Department of Ophthalmology and Otolaryngology—Head and Neck Surgery, CHU de Québec Research Center, Université Laval, Québec, QC G1S 4L8, Canada; (G.R.-M.); (C.M.)
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Singh VK, Kethiri AR, Pingali T, Sahoo A, Salman M, Koduri MA, Prasad D, Bokara KK, Basu S, Singh V. Development and validation of a reliable rabbit model of limbal stem cell deficiency by mechanical debridement using an ophthalmic burr. Exp Eye Res 2023; 236:109667. [PMID: 37758156 DOI: 10.1016/j.exer.2023.109667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/06/2023] [Accepted: 09/24/2023] [Indexed: 10/03/2023]
Abstract
A simple and reproducible method is necessary to generate reliable animal models of limbal stem cell deficiency (LSCD) for assessing the safety and efficacy of new therapeutic modalities. This study aimed to develop and validate a rabbit model of LSCD through mechanical injury. The corneal and limbal epithelium of New Zealand White rabbits (n = 18) were mechanically debrided using an ophthalmic burr (Algerbrush II) with a 1.0-mm rotating head after 360° conjunctival peritomy. The debrided eyes were serially evaluated for changes in corneal opacity, neo-vascularization, epithelial defect and corneal thickness using clinical photography, slit lamp imaging, fluorescein staining, and anterior segment optical coherence tomography scanning (AS-OCT). Following this, an assessment of histopathology and phenotypic marker expression of the excised corneas was conducted. The experimental eyes were grouped as mild (n = 4), moderate (n = 10), and severe (n = 4) based on the grade of LSCD. The moderate group exhibited abnormal epithelium, cellular infiltration in the stroma, and vascularization in the central, peripheral, and limbal regions of the cornea. The severe group demonstrated central epithelial edema, peripheral epithelial thinning with sparse goblet cell population, extensive cellular infiltration in the stroma, and dense vascularization in the limbal region of the cornea. A significant decrease in the expression of K12 and p63 (p < 0.0001) was observed, indicating the loss of corneal epithelium and limbal epithelial stem cells in the LSCD cornea. This study demonstrates that the Alger brush-induced mechanical debridement model provides a reliable model of LSCD with comprehensive clinic-pathological features and that is well suited for evaluating novel therapeutic and regenerative approaches.
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Affiliation(s)
- Vijay Kumar Singh
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India
| | | | - Tejaswini Pingali
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Abhishek Sahoo
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Mohd Salman
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Madhuri Amulya Koduri
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Deeksha Prasad
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India
| | | | - Sayan Basu
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India; Shantilal Shanghvi Cornea Institute, L V Prasad Eye Institute, Hyderabad, Telangana, India.
| | - Vivek Singh
- Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India; Centre for Ocular Regeneration (CORE), L V Prasad Eye Institute, Hyderabad, Telangana, India.
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8
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Ajgaonkar BS, Kumaran A, Kumar S, Jain RD, Dandekar PP. Cell-based Therapies for Corneal and Retinal Disorders. Stem Cell Rev Rep 2023; 19:2650-2682. [PMID: 37704835 DOI: 10.1007/s12015-023-10623-0] [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] [Accepted: 08/30/2023] [Indexed: 09/15/2023]
Abstract
Maintenance of the visual function is the desired outcome of ophthalmologic therapies. The shortcomings of the current treatment options, like partial recovery, post-operation failure, rigorous post-operative care, complications, etc., which are usually encountered with the conventional treatment options has warranted newer treatment options that may eliminate the root cause of diseases and minimize the side effects. Cell therapies, a class of regenerative medicines, have emerged as cutting-edge treatment option. The corneal and retinal dystrophies during the ocular disorders are the major cause of blindness, worldwide. Corneal disorders are mainly categorized mainly into corneal epithelial, stromal, and endothelial disorders. On the other hand, glaucoma, retinitis pigmentosa, age-related macular degeneration, diabetic retinopathy, Stargardt Disease, choroideremia, Leber congenital amaurosis are then major retinal degenerative disorders. In this manuscript, we have presented a detailed overview of the development of cell-based therapies, using embryonic stem cells, bone marrow stem cells, mesenchymal stem cells, dental pulp stem cells, induced pluripotent stem cells, limbal stem cells, corneal epithelial, stromal and endothelial, embryonic stem cell-derived differentiated cells (like retinal pigment epithelium or RPE), neural progenitor cells, photoreceptor precursors, and bone marrow-derived hematopoietic stem/progenitor cells etc. The manuscript highlights their efficiency, drawbacks and the strategies that have been explored to regain visual function in the preclinical and clinical state associated with them which can be considered for their potential application in the development of treatment.
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Affiliation(s)
- Bhargavi Suryakant Ajgaonkar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, Maharashtra, 400019, India
| | - Akash Kumaran
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, Maharashtra, 400019, India
| | - Salil Kumar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, Maharashtra, 400019, India
| | - Ratnesh D Jain
- Department of Biological Science and Biotechnology, Institute of Chemical Technology, Mumbai, Maharashtra, India
| | - Prajakta P Dandekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, Maharashtra, 400019, India.
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Hu Z, Luo Y, Ni R, Hu Y, Yang F, Du T, Zhu Y. Biological importance of human amniotic membrane in tissue engineering and regenerative medicine. Mater Today Bio 2023; 22:100790. [PMID: 37711653 PMCID: PMC10498009 DOI: 10.1016/j.mtbio.2023.100790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/21/2023] [Accepted: 08/31/2023] [Indexed: 09/16/2023] Open
Abstract
The human amniotic membrane (hAM) is the innermost layer of the placenta. Its distinctive structure and the biological and physical characteristics make it a highly biocompatible material in a variety of regenerative medicine applications. It also acts as a supply of bioactive factors and cells, which indicate the advantages over other tissues. In this review, we firstly discussed the biological properties of hAM-derived cells in vivo or in vitro, along with their stemness of markers, pointing out a promising source of stem cells for regenerative medicine. Then, we systematically summarized current knowledge on the collection, preparation, preservation, and decellularization of hAM, as well as their characteristics helping to improve the understanding of applications in tissue engineering. Finally, we highlighted the recent advances in which hAM has undergone additional modifications to achieve an adequate perspective of regenerative medicine applications. More investigations are required in utilizing appropriate modifications to enhance the therapeutic effectiveness of hAM in the future.
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Affiliation(s)
- Zeming Hu
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Yang Luo
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Renhao Ni
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Yiwei Hu
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Fang Yang
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Tianyu Du
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Yabin Zhu
- Health Science Center, Ningbo University, Ningbo, 315211, China
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Fenelon M, Galvez P, Kalbermatten D, Scolozzi P, Madduri S. Emerging Strategies for the Biofabrication of Multilayer Composite Amniotic Membranes for Biomedical Applications. Int J Mol Sci 2023; 24:14424. [PMID: 37833872 PMCID: PMC10572287 DOI: 10.3390/ijms241914424] [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: 08/14/2023] [Revised: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
The amniotic membrane (AM) is the innermost part of the fetal placenta, which surrounds and protects the fetus. Due to its structural components (stem cells, growth factors, and proteins), AMs display unique biological properties and are a widely available and cost-effective tissue. As a result, AMs have been used for a century as a natural biocompatible dressing for healing corneal and skin wounds. To further increase its properties and expand its applications, advanced hybrid materials based on AMs have recently been developed. One existing approach is to combine the AM with a secondary material to create composite membranes. This review highlights the increasing development of new multilayer composite-based AMs in recent years and focuses on the benefits of additive manufacturing technologies and electrospinning, the most commonly used strategy, in expanding their use for tissue engineering and clinical applications. The use of AMs and multilayer composite-based AMs in the context of nerve regeneration is particularly emphasized and other tissue engineering applications are also discussed. This review highlights that these electrospun multilayered composite membranes were mainly created using decellularized or de-epithelialized AMs, with both synthetic and natural polymers used as secondary materials. Finally, some suggestions are provided to further enhance the biological and mechanical properties of these composite membranes.
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Affiliation(s)
- Mathilde Fenelon
- Division of Oral and Maxillofacial Surgery, Department of Surgery, Geneva University Hospitals, 1205 Geneva, Switzerland; (M.F.); (P.S.)
- INSERM, BIOTIS, U1026, Université de Bordeaux, 33076 Bordeaux, France;
| | - Paul Galvez
- INSERM, BIOTIS, U1026, Université de Bordeaux, 33076 Bordeaux, France;
| | - Daniel Kalbermatten
- Plastic, Reconstructive and Aesthetic Surgery Division, Department of Surgery, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland;
- Bioengineering and Neuroregeneration Laboratory, Department of Surgery, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - Paolo Scolozzi
- Division of Oral and Maxillofacial Surgery, Department of Surgery, Geneva University Hospitals, 1205 Geneva, Switzerland; (M.F.); (P.S.)
| | - Srinivas Madduri
- Plastic, Reconstructive and Aesthetic Surgery Division, Department of Surgery, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland;
- Bioengineering and Neuroregeneration Laboratory, Department of Surgery, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
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11
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Chen L, Song X, Yao Z, Zhou C, Yang J, Yang Q, Chen J, Wu J, Sun Z, Gu L, Ma Y, Lee SJ, Zhang C, Mao HQ, Sun L. Gelatin nanofiber-reinforced decellularized amniotic membrane promotes axon regeneration and functional recovery in the surgical treatment of peripheral nerve injury. Biomaterials 2023; 300:122207. [PMID: 37352606 DOI: 10.1016/j.biomaterials.2023.122207] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/25/2023]
Abstract
Effective recovery of peripheral nerve injury (PNI) after surgical treatment relies on promoting axon regeneration and minimizing the fibrotic response. Decellularized amniotic membrane (dAM) has unique features as a natural matrix for promoting PNI repair due to its pro-regenerative extracellular matrix (ECM) structure and anti-inflammatory properties. However, the fragile nature and rapid degradation rate of dAM limit its widespread use in PNI surgery. Here we report an engineered composite membrane for PNI repair by combining dAM with gelatin (Gel) nanofiber membrane to construct a Gel nanofiber-dAM composite membrane (Gel-dAM) through interfacial bonding. The Gel-dAM showed enhanced mechanical properties and reduced degradation rate, while retaining maximal bioactivity and biocompatibility of dAM. These factors led to improved axon regeneration, reduced fibrotic response, and better functional recovery in PNI repair. As a fully natural materials-derived off-the-shelf matrix, Gel-dAM exhibits superior clinical translational potential for the surgical treatment of PNI.
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Affiliation(s)
- Long Chen
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Xiongbo Song
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Zhicheng Yao
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD, 21218, USA; Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, 21218, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Conglai Zhou
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Junjun Yang
- The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Qiming Yang
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Junrong Chen
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Jiarui Wu
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Zeyu Sun
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China
| | - Liling Gu
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China
| | - Yi Ma
- The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China
| | - Shin-Jae Lee
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD, 21218, USA; Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Chi Zhang
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD, 21218, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
| | - Hai-Quan Mao
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD, 21218, USA; Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, 21218, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA; Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
| | - Li Sun
- Department of Orthopedics, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550000, China; The Lab of Tissue Engineering and Translational Medicine, College of Medicine, Guizhou University, Guiyang, Guizhou, 550000, China.
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12
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Wang M, Li Y, Wang H, Li M, Wang X, Liu R, Zhang D, Xu W. Corneal regeneration strategies: From stem cell therapy to tissue engineered stem cell scaffolds. Biomed Pharmacother 2023; 165:115206. [PMID: 37494785 DOI: 10.1016/j.biopha.2023.115206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/12/2023] [Accepted: 07/18/2023] [Indexed: 07/28/2023] Open
Abstract
Corneal epithelial defects and excessive wound healing might lead to severe complications. As stem cells can self-renew infinitely, they are a promising solution for regenerating the corneal epithelium and treating severe corneal epithelial injury. The chemical and biophysical properties of biological scaffolds, such as the amniotic membrane, fibrin, and hydrogels, can provide the necessary signals for stem cell proliferation and differentiation. Multiple researchers have conducted investigations on these scaffolds and evaluated them as potential therapeutic interventions for corneal disorders. These studies have identified various inherent benefits and drawbacks associated with these scaffolds. In this study, we provided a comprehensive overview of the history and use of various stem cells in corneal repair. We mainly discussed biological scaffolds that are used in stem cell transplantation and innovative materials that are under investigation.
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Affiliation(s)
- Mengyuan Wang
- Institute of Regenerative Medicine and Laboratory Technology Innovation, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Ying Li
- Institute of Regenerative Medicine and Laboratory Technology Innovation, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Hongqiao Wang
- Blood Purification Department, Qingdao Hospital of Traditional Chinese Medicine, Qingdao Hiser Hospital, Qingdao, Shandong 266071, PR China
| | - Meng Li
- Institute of Regenerative Medicine and Laboratory Technology Innovation, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Xiaomin Wang
- Institute of Regenerative Medicine and Laboratory Technology Innovation, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Rongzhen Liu
- Institute of Regenerative Medicine and Laboratory Technology Innovation, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Daijun Zhang
- Medical College of Qingdao University, Qingdao, Shandong 266071, PR China.
| | - Wenhua Xu
- Institute of Regenerative Medicine and Laboratory Technology Innovation, Qingdao University, Qingdao, Shandong 266071, PR China.
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13
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Arki MK, Moeinabadi-Bidgoli K, Hossein-Khannazer N, Gramignoli R, Najimi M, Vosough M. Amniotic Membrane and Its Derivatives: Novel Therapeutic Modalities in Liver Disorders. Cells 2023; 12:2114. [PMID: 37626924 PMCID: PMC10453134 DOI: 10.3390/cells12162114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
The liver is a vital organ responsible for metabolic and digestive functions, protein synthesis, detoxification, and numerous other necessary functions. Various acute, chronic, and neoplastic disorders affect the liver and hamper its biological functions. Most of the untreated liver diseases lead to inflammation and fibrosis which develop into cirrhosis. The human amniotic membrane (hAM), the innermost layer of the fetal placenta, is composed of multiple layers that include growth-factor rich basement membrane, epithelial and mesenchymal stromal cell layers. hAM possesses distinct beneficial anti-fibrotic, anti-inflammatory and pro-regenerative properties via the secretion of multiple potent trophic factors and/or direct differentiation into hepatic cells which place hAM-based therapies as potential therapeutic strategies for the treatment of chronic liver diseases. Decellularized hAM is also an ideal scaffold for liver tissue engineering as this biocompatible niche provides an excellent milieu for cell proliferation and hepatocytic differentiation. Therefore, the current review discusses the therapeutic potential of hAM and its derivatives in providing therapeutic solutions for liver pathologies including acute liver failure, metabolic disorders, liver fibrosis as well as its application in liver tissue engineering.
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Affiliation(s)
- Mandana Kazem Arki
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran;
| | - Kasra Moeinabadi-Bidgoli
- Basic and Molecular Epidemiology of Gastroenterology Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran;
| | - Nikoo Hossein-Khannazer
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran;
| | - Roberto Gramignoli
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institute, 17177 Stockholm, Sweden;
| | - Mustapha Najimi
- Laboratory of Pediatric Hepatology and Cell Therapy, Institute of Experimental and Clinical Research (IREC), UCLouvain, B-1200 Brussels, Belgium
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 1665659911, Iran
- Experimental Cancer Medicine, Institution for Laboratory Medicine, Karolinska Institute, 17177 Stockholm, Sweden
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14
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Sprogyte L, Park M, Di Girolamo N. Pathogenesis of Alkali Injury-Induced Limbal Stem Cell Deficiency: A Literature Survey of Animal Models. Cells 2023; 12:cells12091294. [PMID: 37174694 PMCID: PMC10177508 DOI: 10.3390/cells12091294] [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: 03/21/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
Limbal stem cell deficiency (LSCD) is a debilitating ocular surface disease that eventuates from a depleted or dysfunctional limbal epithelial stem cell (LESC) pool, resulting in corneal epithelial failure and blindness. The leading cause of LSCD is a chemical burn, with alkali substances being the most common inciting agents. Characteristic features of alkali-induced LSCD include corneal conjunctivalization, inflammation, neovascularization and fibrosis. Over the past decades, animal models of corneal alkali burn and alkali-induced LSCD have been instrumental in improving our understanding of the pathophysiological mechanisms responsible for disease development. Through these paradigms, important insights have been gained with regards to signaling pathways that drive inflammation, neovascularization and fibrosis, including NF-κB, ERK, p38 MAPK, JNK, STAT3, PI3K/AKT, mTOR and WNT/β-catenin cascades. Nonetheless, the molecular and cellular events that underpin re-epithelialization and those that govern long-term epithelial behavior are poorly understood. This review provides an overview of the current mechanistic insights into the pathophysiology of alkali-induced LSCD. Moreover, we highlight limitations regarding existing animal models and knowledge gaps which, if addressed, would facilitate development of more efficacious therapeutic strategies for patients with alkali-induced LSCD.
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Affiliation(s)
- Lina Sprogyte
- Mechanisms of Disease and Translational Research, School of Biomedical Sciences, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
| | - Mijeong Park
- Mechanisms of Disease and Translational Research, School of Biomedical Sciences, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
| | - Nick Di Girolamo
- Mechanisms of Disease and Translational Research, School of Biomedical Sciences, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
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15
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Thada RR, Debata M, Mandal S, Gunasekaran D, Mohan VD, Chandrasekaran N, Sivagnanam UT. In vitro and Ex vivo characterization of nanonized amniotic membrane particles: An untapped modality for ocular surface reconstruction. Exp Eye Res 2023; 231:109471. [PMID: 37086963 DOI: 10.1016/j.exer.2023.109471] [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: 02/10/2023] [Revised: 03/21/2023] [Accepted: 04/08/2023] [Indexed: 04/24/2023]
Abstract
The pristine Human Amniotic Membrane (HAM) has portrayed outstanding potential as scaffold for ocular surface reconstruction and regeneration. However, in treatment procedures where the supporting membrane matrix of HAM is not obligatory and only the bioactive molecules are vital, the surgical practise of HAM grafting causes redundant trauma and economic burden to the patient. Hence, in our laboratory we have attempted to break down HAM to nanoscale particles and validate its potential as a competent ocular therapeutic agent; by conducting a comparative analysis between the fresh, lyophilized, micronized and Nanonized Amniotic Membrane (NAM) particles. Our results evidently showcased that the prepared NAM particles was <100 nm and the major biomolecules such as collagen and hyaluronic acid were well retained. Further, the NAM particles eluted significantly higher amounts of proteins and growth factors while maintaining its stability and isotonicity when stored at 4 °C. Its biostability was assayed in the presence of lysozyme enzyme. Its remarkable ability to promote cell proliferation in rabbit corneal cells and negative cytotoxicity is an added advantage for ocular application. The ocular biocompatibility of NAM, evaluated by the ex vivo assessment of corneal thickness, transparency, histopathology, immunohistochemistry and corneal permeability clearly indicated its suitability for ophthalmic applications.
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Affiliation(s)
- Raja Rajeshwari Thada
- Biological Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, India; Department of Leather Technology, (Housed at CSIR-Central Leather Research Institute), Alagappa College of Technology, Anna University, Chennai, India.
| | - Mayadhar Debata
- Advanced Materials Technology Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha, India.
| | - Shuvam Mandal
- Advanced Materials Technology Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India.
| | - Deebasuganya Gunasekaran
- Biological Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, India; Department of Leather Technology, (Housed at CSIR-Central Leather Research Institute), Alagappa College of Technology, Anna University, Chennai, India.
| | - Vimala Devi Mohan
- Biological Materials Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, India; Department of Leather Technology, (Housed at CSIR-Central Leather Research Institute), Alagappa College of Technology, Anna University, Chennai, India.
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16
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Uzel E, Durgun ME, Esentürk-Güzel İ, Güngör S, Özsoy Y. Nanofibers in Ocular Drug Targeting and Tissue Engineering: Their Importance, Advantages, Advances, and Future Perspectives. Pharmaceutics 2023; 15:pharmaceutics15041062. [PMID: 37111550 PMCID: PMC10145046 DOI: 10.3390/pharmaceutics15041062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/17/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Nanofibers are frequently encountered in daily life as a modern material with a wide range of applications. The important advantages of production techniques, such as being easy, cost effective, and industrially applicable are important factors in the preference for nanofibers. Nanofibers, which have a broad scope of use in the field of health, are preferred both in drug delivery systems and tissue engineering. Due to the biocompatible materials used in their construction, they are also frequently preferred in ocular applications. The fact that they have a long drug release time as a drug delivery system and have been used in corneal tissue studies, which have been successfully developed in tissue engineering, stand out as important advantages of nanofibers. This review examines nanofibers, their production techniques and general information, nanofiber-based ocular drug delivery systems, and tissue engineering concepts in detail.
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Affiliation(s)
- Egemen Uzel
- Institute of Graduate Studies in Health Sciences, Istanbul University, Istanbul 34010, Türkiye
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul 34126, Türkiye
| | - Meltem Ezgi Durgun
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul 34126, Türkiye
| | - İmren Esentürk-Güzel
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Health Sciences, Istanbul 34668, Türkiye
| | - Sevgi Güngör
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul 34126, Türkiye
| | - Yıldız Özsoy
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, Istanbul 34126, Türkiye
- Correspondence: ; Tel.: +90-212-4400000 (ext. 13498)
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17
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Jahanafrooz Z, Bakhshandeh B, Behnam Abdollahi S, Seyedjafari E. Human amniotic membrane as a multifunctional biomaterial: recent advances and applications. J Biomater Appl 2023; 37:1341-1354. [PMID: 36331116 DOI: 10.1177/08853282221137609] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The developing fetus is wrapped by a human amniotic membrane or amnion. Amnion is a promising human tissue allograft in clinical application because of its chemical composition, collagen-based, and mechanical properties of the extracellular matrix. In addition, amnion contains cells and growth factors; therefore, meets the essential parameters of tissue engineering. No donor morbidity, easy processing and storage, fewer ethical issue, anti-inflammatory, antioxidant, antibacterial, and non-immunogenic properties are other advantages of amnion usage. For these reasons, amnion can resolve some bottlenecks in the regenerative medicine issues such as tissue engineering and cell therapy. Over the last decades, biomedical applications of amnion have evolved from a simple sheet for skin or cornea repair to high-technology applications such as amnion nanocomposite, powder, or hydrogel for the regeneration of cartilage, muscle, tendon, and heart. Furthermore, amnion has anticancer as well as drug/cell delivery capacity. This review highlights various ancient and new applications of amnion in research and clinical applications, from regenerative medicine to cancer therapy, focusing on articles published during the last decade that also revealed information regarding amnion-based products. Challenges and future perspectives of the amnion in regenerative medicine are also discussed.
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18
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A Novel Technique of Amniotic Membrane Preparation Mimicking Limbal Epithelial Crypts Enhances the Number of Progenitor Cells upon Expansion. Cells 2023; 12:cells12050738. [PMID: 36899873 PMCID: PMC10001367 DOI: 10.3390/cells12050738] [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: 01/16/2023] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 03/02/2023] Open
Abstract
We aimed to investigate whether a novel technique of human amniotic membrane (HAM) preparation that mimics the crypts in the limbus enhances the number of progenitor cells cultured ex vivo. The HAMs were sutured on polyester membrane (1) standardly, to obtain a flat HAM surface, or (2) loosely, achieving the radial folding to mimic crypts in the limbus. Immunohistochemistry was used to demonstrate a higher number of cells positive for progenitor markers p63α (37.56 ± 3.34% vs. 62.53 ± 3.32%, p = 0.01) and SOX9 (35.53 ± 0.96% vs. 43.23 ± 2.32%, p = 0.04), proliferation marker Ki-67 (8.43 ± 0.38 % vs. 22.38 ± 1.95 %, p = 0.002) in the crypt-like HAMs vs. flat HAMs, while no difference was found for the quiescence marker CEBPD (22.99 ± 2.96% vs. 30.49 ± 3.33 %, p = 0.17). Most of the cells stained negative for the corneal epithelial differentiation marker KRT3/12, and some were positive for N-cadherin in the crypt-like structures, but there was no difference in staining for E-cadherin and CX43 in crypt-like HAMs vs. flat HAMs. This novel HAM preparation method enhanced the number of progenitor cells expanded in the crypt-like HAM compared to cultures on the conventional flat HAM.
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19
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Akbari E, Imani R, Shokrollahi P, Heidari Keshel S. Corneal sustained delivery of hyaluronic acid from nanofiber-containing ring-implanted contact lens. J Biomater Appl 2023; 37:992-1006. [PMID: 36564919 DOI: 10.1177/08853282221146390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Dry eye syndrome, as a persist corneal epithelial defect (PED), is an inconvenient ocular disorder that is generally treated by high-dosage, conventional eye drops. Addressing low efficacy and rather restricted bioavailability of the conventional eye drops, drug-eluting contact lenses (CLs) are widely used as alternatives in ophthalmic drug delivery applications. In the present study, a nanofiber-containing ring implant poly (vinyl alcohol) (PVA) hydrogel is designed as a carrier for hyaluronic acid (HA) delivery. hyaluronic acid is physically encapsulated in a nanofiber-containing ring-shaped hydrogel with a 2 mm width that is implanted in the final CLs hydrogel. The designed CL has 59% porosity, 275% swelling ratio and undergoes no weight loss at physiological conditions in14 days. In-vitro release studies were performed on the CLs with and without nanofibers. The results showed that nanofiber incorporation in the designed CL was highly influential in decreasing burst release and supported sustained release of HA over 14 days. In addition, nanofiber incorporation in the designed system strengthened the lens, and the young modulus of the PVA hydrogel increased from 6 to 10 kPa. Cell viability study also revealed no cell cytotoxicity and cell attachment. Overall, the study demonstrated the effective role of nanofibers in the physical strengthening of the CL. Also, the designed system holds promise as a potential candidate for HA delivery over an extended period for treating dry eye syndrome.
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Affiliation(s)
- Elham Akbari
- Biomedical Engineering Department, 48410Amirkabir University of Technology, Tehran, Iran
| | - Rana Imani
- Biomedical Engineering Department, 48410Amirkabir University of Technology, Tehran, Iran
| | - Parvin Shokrollahi
- Faculty of Science, Department of Biomaterials, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | - Saeed Heidari Keshel
- Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies InMedicine, 556492Shahid Beheshti University of Medical Sciences, Iran
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20
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The progress in techniques for culturing human limbal epithelial stem cells. Hum Cell 2023; 36:1-14. [PMID: 36181663 DOI: 10.1007/s13577-022-00794-2] [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: 07/21/2022] [Accepted: 09/11/2022] [Indexed: 01/07/2023]
Abstract
In vitro culture of human limbal epithelial stem cells (hLESCs) is crucial to cell therapy in the treatment of limbal stem cell deficiency, a potentially vision-threatening disease that is characterized by persistent corneal epithelial defects and corneal epithelium conjunctivalization. Traditionally, hLESCs are cultivated based on either limbal tissue explants or single-cell suspensions in culture media containing xenogenous components, such as fetal bovine serum and murine 3T3 feeder cells. Plastic culture dishes and human amniotic membranes are classical growth substrates used in conventional hLESC culture systems. The past few decades have witnessed considerable progress and innovations in hLESC culture techniques to ensure a higher level of biosafety and lower immunogenicity for further cell treatment, including complete removal of xenogenous components from culture media, the application of human-derived feeder cells, and the development of novel scaffolds. Three-dimensional artificial niches and three-dimensional culture techniques have also been established to simulate the real microenvironment of limbal crypts for better cell outgrowth and proliferation. All these progresses ensure that in vitro cultured hLESCs are more adaptable to translational stem cell therapy for limbal stem cell deficiency.
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21
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Doudi S, Barzegar M, Taghavi EA, Eini M, Ehterami A, Stokes K, Alexander JS, Salehi M. Applications of acellular human amniotic membrane in regenerative medicine. Life Sci 2022; 310:121032. [DOI: 10.1016/j.lfs.2022.121032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/25/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022]
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22
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Delivery of Cells to the Cornea Using Synthetic Biomaterials. Cornea 2022; 41:1325-1336. [DOI: 10.1097/ico.0000000000003094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/24/2022] [Indexed: 11/26/2022]
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23
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Zhao J, Tian M, Li Y, Su W, Fan T. Construction of tissue-engineered human corneal endothelium for corneal endothelial regeneration using a crosslinked amniotic membrane scaffold. Acta Biomater 2022; 147:185-197. [PMID: 35358736 DOI: 10.1016/j.actbio.2022.03.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 11/01/2022]
Abstract
Descemet's membrane endothelial keratoplasty (DMEK) may provide fast visual rehabilitation in the therapy of corneal endothelial disorders. However, due to shortage of donated corneas, how to construct a corneal endothelial substitute with powerful functions that can be used for DMEK is still unsolved. Herein, we introduced the method of corneal crosslinking (CXL) and conjugated the components of native Descemet's membrane (DM) to improve the mechanical properties and the biocompatibility of denuded amniotic membrane (dAM), further assessed their effects on cell adhesion, proliferation, YAP translocation, and metabolic activity in human corneal endothelial (HCE) cells. Using modified crosslinked dAM (mcdAM) and non-transfected HCE cells, we constructed a tissue-engineered HCE (TE-HCE) and evaluated its functions in cat and monkey models as well. Our results showed that the mechanical properties of mcdAM were improved effectively by CXL, and the adhesion, proliferation, and YAP translocation of HCE cells were dose-dependently improved after ECM modification. The combination of 0.01 mg/mL laminin with 0.1 mg/mL fibronectin showed the highest efficacy. Then, the TE-HCE was constructed in vitro, with a high density of 3612 ± 243 cells/mm2. Results of DMEK in animal models showed that corneal transparency was maintained, accompanied with normal morphology and histological structure of the regenerated corneal endothelium. Therefore, CXL combined with DM-mimic-coating methods could effectively improve the mechanical properties of dAM and enhance the biocompatibility with HCE cells. The constructed TE-HCE had normal histological structure and functioned well in animal models via DMEK, which could be used as a promising powerful equivalent of HCE. STATEMENT OF SIGNIFICANCE: Using high-quality corneal endothelium and an appropriate endothelial keratoplasty is the most effective way for the treatment of corneal endotheliopathy. Descemet's membrane endothelial keratoplasty (DMEK) which can provide better visual acuity, lower immunological rejection rates, and improved graft survival is an ideal surgery at present. However, due to the shortage of donated corneas, it is urgent to find an equivalent substitute of corneal endothelial donor which is suitable for the DMEK surgery to solve the problem of corneal endothelial regeneration. Herein, we introduced the clinical cornea-crosslinking and Descemet's membrane-mimic-coating methods to build the modified crosslinked denuded amniotic membrane scaffold and further constructed a high-quality corneal endothelial functional substitute that can be used in DMEK surgery.
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Affiliation(s)
- Jun Zhao
- Key Laboratory for Corneal Tissue Engineering, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong Province, China
| | - Meng Tian
- Key Laboratory for Corneal Tissue Engineering, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong Province, China
| | - Yun Li
- Key Laboratory for Corneal Tissue Engineering, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong Province, China
| | - Wen Su
- Key Laboratory for Corneal Tissue Engineering, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong Province, China; Present address: Department of traditional Chinese Medicine and Immunizations, Institute of Chinese Medicine and Pharmacy, Shandong University of traditional Chinese Medicine, Jinan 250355, Shandong Province, China
| | - Tingjun Fan
- Key Laboratory for Corneal Tissue Engineering, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, Shandong Province, China.
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Chen F, Deng J, Luo L, Zhu Y, Dong Y, Yang Y, Zhang R, Chen J, Zhou Q. Crosslinked Decellularized Porcine Pericardium as a Substrate for Conjunctival Reconstruction. Stem Cells Int 2022; 2022:7571146. [PMID: 35342430 PMCID: PMC8941537 DOI: 10.1155/2022/7571146] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/24/2022] [Accepted: 02/26/2022] [Indexed: 11/18/2022] Open
Abstract
Seeking for suitable conjunctival reconstruction substitutes to overcome the limitations of current substitutes, such as amniotic membrane, is urgent. Decellularized tissues have become a promising strategy for tissue engineering. In this study, we prepared decellularized porcine pericardium (DPP) scaffolds by the phospholipase A2 method and crosslinked them with aspartic acid (Asp) and human endothelial growth factor (hEGF) to enhance biological performance on the DPP, obtaining DPP-Asp-hEGF scaffolds. In vitro DPP showed lower apoptosis, highly desirable, well preservation of extracellular matrix components, and favorable macro-microstructure, which was confirmed by histology, immunofluorescence, electron microscopy, collagen and DNA quantification, and cytotoxicity assay, compared to the native porcine pericardium (NPP). The crosslinked efficacy of the DPP-Asp-hEGF was furtherer verified by in vitro experiments with Fourier transform infrared (FTIR) and X-ray diffraction (XRD). Through animal models of conjunctiva defect model, the DPP-Asp-hEGF revealed a closed, multilayer epithelium with an equal amount of goblet cells and no indication for conjunctival scarring after 28 days, compared to amniotic membrane (AM) groups and sham groups. These results suggested that DPP-Asp-hEGF can offer a good conjunctival reconstructive substitute both in structure and in function.
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Affiliation(s)
- Fangyuan Chen
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Jingyue Deng
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
- The Fifth Affiliated Hospital of Southern Medical University, Guangzhou 510900, China
| | - Lishi Luo
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
- Shenzhen Eye Hospital, Affiliated Hospital of Jinan University, Shenzhen 518040, China
| | - Ying Zhu
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Yuying Dong
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Yuanting Yang
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Rijia Zhang
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Jian Chen
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Qing Zhou
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
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Hasmad HN, Bt Hj Idrus R, Sulaiman N, Lokanathan Y. Electrospun Fiber-Coated Human Amniotic Membrane: A Potential Angioinductive Scaffold for Ischemic Tissue Repair. Int J Mol Sci 2022; 23:ijms23031743. [PMID: 35163664 PMCID: PMC8836161 DOI: 10.3390/ijms23031743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/24/2022] [Accepted: 01/27/2022] [Indexed: 12/10/2022] Open
Abstract
Cardiac patch implantation helps maximize the paracrine function of grafted cells and serves as a reservoir of soluble proangiogenic factors required for the neovascularization of infarcted hearts. We have previously fabricated a cardiac patch, EF-HAM, composed of a human amniotic membrane (HAM) coated with aligned PLGA electrospun fibers (EF). In this study, we aimed to evaluate the biocompatibility and angiogenic effects of EF-HAM scaffolds with varying fiber thicknesses on the paracrine behavior of skeletal muscle cells (SkM). Conditioned media (CM) obtained from SkM-seeded HAM and EF-HAM scaffolds were subjected to multiplex analysis of angiogenic factors and tested on HUVECs for endothelial cell viability, migration, and tube formation analyses. All three different groups of EF-HAM scaffolds demonstrated excellent biocompatibility with SkM. CM derived from SkM-seeded EF-HAM 7 min scaffolds contained significantly elevated levels of proangiogenic factors, including angiopoietin-1, IL-8, and VEGF-C compared to plain CM, which was obtained from SkM cultured on the plain surface. CM obtained from all SkM-seeded EF-HAM scaffolds significantly increased the viability of HUVECs compared to plain CM after five days of culture. However, only EF-HAM 7 min CM induced a higher migration capacity in HUVECs and formed a longer and more elaborate capillary-like network on Matrigel compared with plain CM. Surface roughness and wettability of EF-HAM 7 min scaffolds might have influenced the proportion of skeletal myoblasts and fibroblasts growing on the scaffolds and subsequently potentiated the angiogenic paracrine function of SkM. This study demonstrated the angioinductive properties of EF-HAM composite scaffold and its potential applications in the repair and regeneration of ischemic tissues.
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Nazari H, Heirani-Tabasi A, Esmaeili E, Kajbafzadeh AM, Hassannejad Z, Boroomand S, Shahsavari Alavijeh MH, Mishan MA, Ahmadi Tafti SH, Warkiani ME, Dadgar N. Decellularized human amniotic membrane reinforced by MoS2-Polycaprolactone nanofibers, a novel conductive scaffold for cardiac tissue engineering. J Biomater Appl 2022; 36:1527-1539. [DOI: 10.1177/08853282211063289] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In order to regenerate myocardial tissues with functional characteristics, we need to copy some properties of the myocardium, such as its extracellular matrix and electrical conductivity. In this study, we synthesized nanosheets of Molybdenum disulfide (MoS2), and integrated them into polycaprolactone (PCL) and electrospun on the surface of decellularized human amniotic membrane (DHAM) with the purpose of improving the scaffolds mechanical properties and electrical conductivity. For in vitro studies, we seeded the mouse embryonic cardiac cells, mouse Embryonic Cardiac Cells (mECCs), on the scaffolds and then studied the MoS2 nanocomposites by scanning electron microscopy and Raman spectroscopy. In addition, we characterized the DHAM/PCL and DHAM/PCL-MoS2 by SEM, transmission electron microscopy, water contact angle measurement, electrical conductivity, and tensile test. Besides, we confirmed the scaffolds are biocompatible by 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide, MTT assay. Furthermore, by means of SEM images, it was shown that mECCs attached to the DHAM/PCL-MoS2 scaffold have more cell aggregations and elongated morphology. Furthermore, through the Real-Time PCR and immunostaining studies, we found out cardiac genes were maturated and upregulated, and they also included GATA-4, c-TnT, NKX 2.5, and alpha-myosin heavy chain in cells cultured on DHAM/PCL-MoS2 scaffold in comparison to DHAM/PCL and DHAM. Therefore, in terms of cardiac tissue engineering, DHAM nanofibrous scaffolds reinforced by PCL-MoS2 can be suggested as a proper candidate.
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Affiliation(s)
- Hojjallah Nazari
- School of Biomedical Engineering, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Asieh Heirani-Tabasi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Elaheh Esmaeili
- Stem Cell Technology Research Center, Tehran, Iran
- Arta Shimi Alborz Research Center, Tehran, Iran
| | - Abdol-Mohammad Kajbafzadeh
- Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Hassannejad
- Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Safiye Boroomand
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Mohammad Amir Mishan
- Ocular Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Hossein Ahmadi Tafti
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering, University of Technology Sydney, Sydney, New South Wales 2007, Australia
- Institute of Molecular Medicine, Sechenov University, Moscow, 119991, Russia
| | - Neda Dadgar
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Research Institute, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Colorectal Surgery, Digestive Disease Surgerical Institute, Cleveland Clinic, Cleveland, OH
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Fernandes-Cunha GM, Jeong SH, Logan CM, Le P, Mundy D, Chen F, Chen KM, Kim M, Lee GH, Na KS, Hahn SK, Myung D. Supramolecular host-guest hyaluronic acid hydrogels enhance corneal wound healing through dynamic spatiotemporal effects. Ocul Surf 2022; 23:148-161. [PMID: 34537415 PMCID: PMC10867859 DOI: 10.1016/j.jtos.2021.09.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/23/2021] [Accepted: 09/10/2021] [Indexed: 12/24/2022]
Abstract
Severe corneal wounds can lead to ulceration and scarring if not promptly and adequately treated. Hyaluronic acid (HA) has been investigated for the treatment of corneal wounds due to its remarkable biocompatibility, transparency and mucoadhesive properties. However, linear HA has low retention time on the cornea while many chemical moieties used to crosslink HA can cause toxicity, which limits their clinical ocular applications. Here, we used supramolecular non-covalent host-guest interactions between HA-cyclodextrin and HA-adamantane to form shear-thinning HA hydrogels and evaluated their impact on corneal wound healing. Supramolecular HA hydrogels facilitated adhesion and spreading of encapsulated human corneal epithelial cells ex vivo and improved corneal wound healing in vivo as an in situ-formed, acellular therapeutic membrane. The HA hydrogels were absorbed within the corneal stroma over time, modulated mesenchymal cornea stromal cell secretome production, reduced cellularity and inflammation of the anterior stroma, and significantly mitigated corneal edema compared to treatment with linear HA and untreated control eyes. Taken together, our results demonstrate supramolecular HA hydrogels as a promising and versatile biomaterial platform for corneal wound healing.
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Affiliation(s)
| | - Sang Hoon Jeong
- Department of Materials Science and Engineering, POSTECH, 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Caitlin M Logan
- Ophthalmology, Byers Eye Institute at Stanford University School of Medicine, Palo Alto, CA, United States
| | - Peter Le
- Ophthalmology, Byers Eye Institute at Stanford University School of Medicine, Palo Alto, CA, United States; Chemical Engineering, Stanford University, Palo Alto, CA, United States
| | - David Mundy
- Ophthalmology, Byers Eye Institute at Stanford University School of Medicine, Palo Alto, CA, United States
| | - Fang Chen
- Ophthalmology, Byers Eye Institute at Stanford University School of Medicine, Palo Alto, CA, United States; Chemical Engineering, Stanford University, Palo Alto, CA, United States
| | - Karen M Chen
- Ophthalmology, Byers Eye Institute at Stanford University School of Medicine, Palo Alto, CA, United States
| | - Mungu Kim
- Department of Materials Science and Engineering, POSTECH, 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Geon-Hui Lee
- Department of Materials Science and Engineering, POSTECH, 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Kyung-Sun Na
- Ophthalmology & Visual Science, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sei Kwang Hahn
- Department of Materials Science and Engineering, POSTECH, 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk, 37673, Republic of Korea.
| | - David Myung
- Ophthalmology, Byers Eye Institute at Stanford University School of Medicine, Palo Alto, CA, United States; Chemical Engineering, Stanford University, Palo Alto, CA, United States; VA Palo Alto HealthCare System, Palo Alto, CA, United States.
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Luo Y, Shen M, Feng P, Qiu H, Wu X, Yang L, Zhu Y. Various administration forms of decellularized amniotic membrane extract towards improving corneal repair. J Mater Chem B 2021; 9:9347-9357. [PMID: 34724021 DOI: 10.1039/d1tb01848e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amniotic membrane (AM) transplantation is often used as a treatment for corneal repair, but AM is prone to dissolving and shedding after surgery; multiple transplants will cause pain and financial burden. In this work, human amniotic membrane was firstly decellularized to obtain an AM extracellular matrix (dAM). This dAM was homogenized and extracted to obtain the dAM extract (simplified as dAME). Different forms of administration for corneal injury were performed as liquid drops (diluted dAME), in situ gels (using temperature-dependent Poloxamer 407 as the matrix), and tablets (poly(vinyl alcohol) as the matrix). The cytocompatibility of dAME was evaluated using corneal epithelial cells, corneal stromal cells and fibroblasts as cell models. The results showed that dAME is biocompatible to all these cells. Cells exhibited normal morphology and growth state at a dAME concentration of up to 160 μg mL-1. In vivo, dAME exhibited increased wound healing efficiency in severe corneal injury, being characterized with a shorter healing time for epithelium and a faster recovery for stromal opacity and thickness, compared with those of the control eyes. Different forms of administration have different effects on corneal repair; among them, in situ gels achieved the best therapeutic efficiency. Their biological mechanism was detected via quantitative real-time polymerase chain reaction (qRT-PCR) technology. It was confirmed that dAME plays important roles in promoting the mRNA expression of leucine-rich and immunoglobulin-like domains 1 (LRIG1) and in inhibiting the mRNA of transforming growth factor-β1 (TGF-β1).
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Affiliation(s)
- Yang Luo
- School of Medicine, Ningbo University, Ningbo 315211, China.
| | - Meiting Shen
- School of Medicine, Ningbo University, Ningbo 315211, China.
| | - Peipei Feng
- School of Medicine, Ningbo University, Ningbo 315211, China.
| | - Haofeng Qiu
- School of Medicine, Ningbo University, Ningbo 315211, China.
| | - Xujin Wu
- School of Medicine, Ningbo University, Ningbo 315211, China.
| | - Lu Yang
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, 315000, China.
| | - Yabin Zhu
- School of Medicine, Ningbo University, Ningbo 315211, China.
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Mijanović O, Pylaev T, Nikitkina A, Artyukhova M, Branković A, Peshkova M, Bikmulina P, Turk B, Bolevich S, Avetisov S, Timashev P. Tissue Engineering Meets Nanotechnology: Molecular Mechanism Modulations in Cornea Regeneration. MICROMACHINES 2021; 12:mi12111336. [PMID: 34832752 PMCID: PMC8618371 DOI: 10.3390/mi12111336] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 09/23/2021] [Accepted: 10/14/2021] [Indexed: 12/13/2022]
Abstract
Nowadays, tissue engineering is one of the most promising approaches for the regeneration of various tissues and organs, including the cornea. However, the inability of biomaterial scaffolds to successfully integrate into the environment of surrounding tissues is one of the main challenges that sufficiently limits the restoration of damaged corneal tissues. Thus, the modulation of molecular and cellular mechanisms is important and necessary for successful graft integration and long-term survival. The dynamics of molecular interactions affecting the site of injury will determine the corneal transplantation efficacy and the post-surgery clinical outcome. The interactions between biomaterial surfaces, cells and their microenvironment can regulate cell behavior and alter their physiology and signaling pathways. Nanotechnology is an advantageous tool for the current understanding, coordination, and directed regulation of molecular cell-transplant interactions on behalf of the healing of corneal wounds. Therefore, the use of various nanotechnological strategies will provide new solutions to the problem of corneal allograft rejection, by modulating and regulating host-graft interaction dynamics towards proper integration and long-term functionality of the transplant.
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Affiliation(s)
- Olja Mijanović
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
- Correspondence:
| | - Timofey Pylaev
- Saratov Medical State University N.A. V.I. Razumovsky, 112 Bolshaya Kazachya St., 410012 Saratov, Russia;
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, 410049 Saratov, Russia
| | - Angelina Nikitkina
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
| | - Margarita Artyukhova
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
| | - Ana Branković
- Department of Forensic Engineering, University of Criminal Investigation and Police Studies, 196 Cara Dušana St., Belgrade 11000, Serbia;
| | - Maria Peshkova
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
- World-Class Research Center “Digital biodesign and personalized healthcare”, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia
| | - Polina Bikmulina
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
- World-Class Research Center “Digital biodesign and personalized healthcare”, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia
| | - Boris Turk
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Sergey Bolevich
- Department of Human Pathology, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia;
| | - Sergei Avetisov
- Department of Eye Diseases, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia;
- Research Institute of Eye Diseases, 11 Rossolimo St., 119021 Moscow, Russia
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia; (A.N.); (M.A.); (M.P.); (P.B.); (B.T.); (P.T.)
- World-Class Research Center “Digital biodesign and personalized healthcare”, Sechenov University, 8-2 Trubetskaya St., 119991 Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, Leninskiye Gory 1-3, 119991 Moscow, Russia
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Da LC, Huang YZ, Xie HQ, Zheng BH, Huang YC, Du SR. Membranous Extracellular Matrix-Based Scaffolds for Skin Wound Healing. Pharmaceutics 2021; 13:1796. [PMID: 34834211 PMCID: PMC8620109 DOI: 10.3390/pharmaceutics13111796] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/16/2021] [Accepted: 10/22/2021] [Indexed: 02/05/2023] Open
Abstract
Membranous extracellular matrix (ECM)-based scaffolds are one of the most promising biomaterials for skin wound healing, some of which, such as acellular dermal matrix, small intestinal submucosa, and amniotic membrane, have been clinically applied to treat chronic wounds with acceptable outcomes. Nevertheless, the wide clinical applications are always hindered by the poor mechanical properties, the uncontrollable degradation, and other factors after implantation. To highlight the feasible strategies to overcome the limitations, in this review, we first outline the current clinical use of traditional membranous ECM scaffolds for skin wound healing and briefly introduce the possible repair mechanisms; then, we discuss their potential limitations and further summarize recent advances in the scaffold modification and fabrication technologies that have been applied to engineer new ECM-based membranes. With the development of scaffold modification approaches, nanotechnology and material manufacturing techniques, various types of advanced ECM-based membranes have been reported in the literature. Importantly, they possess much better properties for skin wound healing, and would become promising candidates for future clinical translation.
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Affiliation(s)
- Lin-Cui Da
- Center of Reproductive Medicine, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, China; (L.-C.D.); (B.-H.Z.)
| | - Yi-Zhou Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu 610041, China;
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu 610041, China;
| | - Bei-Hong Zheng
- Center of Reproductive Medicine, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, China; (L.-C.D.); (B.-H.Z.)
| | - Yong-Can Huang
- Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China;
| | - Sheng-Rong Du
- Center of Reproductive Medicine, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou 350001, China; (L.-C.D.); (B.-H.Z.)
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Evaluating the clinical translational relevance of animal models for limbal stem cell deficiency: A systematic review. Ocul Surf 2021; 23:169-183. [PMID: 34583088 DOI: 10.1016/j.jtos.2021.09.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 09/20/2021] [Accepted: 09/23/2021] [Indexed: 12/13/2022]
Abstract
PURPOSE Animal models are pivotal for elucidating pathophysiological mechanisms and evaluating novel therapies. This systematic review identified studies that developed or adapted animal models of limbal stem cell deficiency (LSCD), assessed their reporting quality, summarized their key characteristics, and established their clinical translational relevance to human disease. METHODS The protocol was prospectively registered (PROSPERO CRD42020203937). Searches were conducted in PubMed, Ovid EMBASE and Web of Science in August 2020. Two authors screened citations, extracted data, assessed the reporting quality of eligible studies using the ARRIVE guidelines, and judged the clinical translational relevance of each model using a custom matrix. RESULTS 105 studies were included. Rabbits were the most common animal species. Overall, 97% of studies recapitulated LSCD to a clinical etiology, however 62% did not provide sufficient methodological detail to enable independent reproduction of the model. Adverse events and/or exclusion of animals were infrequently (20%) reported. Approximately one-quarter of studies did not produce the intended severity of LSCD; 34% provided insufficient information to assess the fidelity of disease induction. Adjunctive diagnostic confirmation of LSCD induction was performed in 13% of studies. CONCLUSIONS This is the first systematic review to assess the reporting quality and clinical translational relevance of animal models of LSCD. Models of LSCD have evolved over time, resulting in variable reporting of the characteristics of animals, experimental procedures and adverse events. In most studies, validation of LSCD was made using clinical tests; newer adjunctive techniques would enhance diagnostic validation. As most studies sought to evaluate novel therapies for LSCD, animal models should ideally recapitulate all features of the condition that develop in patients.
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Abstract
Purpose: To review the surgical management options in ocular chemical burn, including newer advances.Methods: Online literature search of published articles over last 5 years on surgical management of ocular chemical burn and newer advances were performed on December 30, 2020.Results: Following literature search and screening using adequate filters, 67 review articles on surgical management of ocular chemical burns were retrieved. The review talks about the surgical management options starting from Debridement in acute stage to various visual rehabilitative procedures in the chronic stage. The review also highlights the evolving surgical advances in this field.Conclusion: It is imperative to choose adequate surgical tool wherever applicable; current review discusses the role of each surgical option at different clinical stages in detail.
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Affiliation(s)
- Priyanshi Awasthi
- Department of Ophthalmology, All India Institute of Medical Sciences, Patna, India
| | - Prabhakar Singh
- Department of Ophthalmology, All India Institute of Medical Sciences, Patna, India
| | - Amit Raj
- Department of Ophthalmology, All India Institute of Medical Sciences, Patna, India
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Human amniotic membrane as a delivery vehicle for stem cell-based therapies. Life Sci 2021; 272:119157. [PMID: 33524418 DOI: 10.1016/j.lfs.2021.119157] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/11/2022]
Abstract
Stem cell-based therapy is known as a regenerative approach for a variety of diseases and tissue injuries. These cells exert their therapeutic effects through paracrine secretions namely extracellular vesicles. To achieve higher therapeutic potential, a variety of delivery routes have been tested in clinical and preclinical studies. Direct cell injection, intra-venous administration, and intra-arterial infusion are widely used methods of stem cells delivery but these methods are associated with several complications. As one of the most popular biological delivery systems, amniotic membrane has been widely utilized to support cell proliferation and differentiation therefore facilitating tissue regeneration without endangering the stem cells' viability. It is composed of several extracellular matrix components and growth factors. Due to these characteristics, amniotic membrane can mimic the stem cell's niche and can be an ideal carrier for stem cell transplantation. Here, we provide an overview of the recent progress, challenges, and future perspectives in the use of amniotic membrane as a delivery platform for stem cells.
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Dadkhah Tehrani F, Firouzeh A, Shabani I, Shabani A. A Review on Modifications of Amniotic Membrane for Biomedical Applications. Front Bioeng Biotechnol 2021; 8:606982. [PMID: 33520961 PMCID: PMC7839407 DOI: 10.3389/fbioe.2020.606982] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/25/2020] [Indexed: 12/18/2022] Open
Abstract
The amniotic membrane (AM) is the innermost layer of the fetal placenta, which surrounds and protects the fetus. Its unique structure, in addition to its physical and biological properties, makes it a useful substance in many applications related to regenerative medicine. The use of this fantastic substance with a century-old history has produced remarkable results in vivo, in vitro, and even in clinical studies. While the intact or preserved AM is widely used for these purposes, the addition of further modifications to AM can be considered as a relatively new subject in its applications. These modifications are applied to improve AM properties, ease of handling, and durability. Here, we will discuss the cases in which AM has undergone additional modifications besides the required processes for sterilization and preservation. In this article, we have categorized these modifications and discussed their applications and results.
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Affiliation(s)
- Fatemeh Dadkhah Tehrani
- Cell Engineering and Bio-microsystems Laboratory, Biomedical Engineering Faculty, Amirkabir University of Technology, Tehran, Iran
| | - Arezoo Firouzeh
- Cell Engineering and Bio-microsystems Laboratory, Biomedical Engineering Faculty, Amirkabir University of Technology, Tehran, Iran
| | - Iman Shabani
- Cell Engineering and Bio-microsystems Laboratory, Biomedical Engineering Faculty, Amirkabir University of Technology, Tehran, Iran
| | - Azadeh Shabani
- Preventative Gynecology Research Center, Department of Gynecology and Obstetrics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Zhao X, Zuo X, Zhong J, Wang B, Li S, Xiao Y, Yuan J. Heparin-Modified Amniotic Membrane Combined With Growth Factors for Promoting Corneal Wound Healing After Alkali Burn. Front Bioeng Biotechnol 2020; 8:599800. [PMID: 33330430 PMCID: PMC7719686 DOI: 10.3389/fbioe.2020.599800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/27/2020] [Indexed: 12/13/2022] Open
Abstract
Ocular chemical burns are potentially blinding ocular injuries and require urgent management. Amniotic membrane (AM) transplantation is an effective surgical treatment, one of the reasons is because AM is a rich source of growth factors that can promote epithelialization and wound healing. However, growth factors will be gradually lost and insufficient after preparation process and long-time storage, leading to unsatisfactory therapeutic effects. Herein, we present a modified AM (AM-HEP) for the supplement and sustained release of growth factor by surface grafting heparin for treatment of ocular chemical burns. Heparin grafting rate and stability, microstructure, physical property, and sustained release of epithelial growth factor (EGF) of AM-HEP were characterized. Biocompatibility and ability to promote corneal epithelial cell growth and migration were evaluated and compared with a biological amnion, which is available on the market in vitro. The therapeutic effects of AM-HEP combined with EGF (AM-HEP@EGF) in vivo had been evaluated in a model of mouse corneal alkali burn. The results indicated that heparin was introduced into AM and maintain stability over 3 weeks at 37°C. The modification process of AM-HEP did not affect microstructure and physical property after comparing with non-modified AM. EGF could be combined quickly and effectively with AM-HEP; the sustained release could last for more than 14 days. AM-HEP@EGF could significantly promote corneal epithelial cell growth and migration, compared with non-modified AM and control group. Faster corneal epithelialization was observed with the transplantation of AM-HEP@EGF in vivo, compared with the untreated control group. The corneas in the AM-HEP@EGF group have less inflammation and were more transparent than those in the control group. The results from in vitro and in vivo experiments demonstrated that AM-HEP@EGF could significantly enhance the therapeutic effects. Taken together, AM-HEP@EGF is exhibited to be a potent clinical application in corneal alkali burns through accelerating corneal epithelial wound healing.
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Affiliation(s)
| | | | | | | | | | | | - Jin Yuan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
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Nosrati H, Alizadeh Z, Nosrati A, Ashrafi-Dehkordi K, Banitalebi-Dehkordi M, Sanami S, Khodaei M. Stem cell-based therapeutic strategies for corneal epithelium regeneration. Tissue Cell 2020; 68:101470. [PMID: 33248403 DOI: 10.1016/j.tice.2020.101470] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 11/11/2020] [Accepted: 11/11/2020] [Indexed: 12/13/2022]
Abstract
Any significant loss of vision or blindness caused by corneal damages is referred to as corneal blindness. Corneal blindness is the fourth most common cause of blindness worldwide, representing more than 5% of the total blind population. Currently, corneal transplantation is used to treat many corneal diseases. In some cases, implantation of artificial cornea (keratoprosthesis) is suggested after a patient has had a donor corneal transplant failure. The shortage of donors and the side effects of keratoprosthesis are limiting these approaches. Recently, researchers have been actively pursuing new approaches for corneal regeneration because of these limitations. Nowadays, tissue engineering of different corneal layers (epithelium, stroma, endothelium, or full thickness tissue) is a promising approach that has attracted a great deal of interest from researchers and focuses on regenerative strategies using different cell sources and biomaterials. Various sources of corneal and non-corneal stem cells have shown significant advantages for corneal epithelium regeneration applications. Pluripotent stem cells (embryonic stem cells and iPS cells), epithelial stem cells (derived from oral mucus, amniotic membrane, epidermis and hair follicle), mesenchymal stem cells (bone marrow, adipose-derived, amniotic membrane, placenta, umbilical cord), and neural crest origin stem cells (dental pulp stem cells) are the most promising sources in this regard. These cells could also be used in combination with natural or synthetic scaffolds to improve the efficacy of the therapeutic approach. As the ocular surface is exposed to external damage, the number of studies on regeneration of the corneal epithelium is rising. In this paper, we reviewed the stem cell-based strategies for corneal epithelium regeneration.
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Affiliation(s)
- Hamed Nosrati
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Zohreh Alizadeh
- Endometrium and Endometriosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran; Department of Anatomical Sciences, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ali Nosrati
- School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Korosh Ashrafi-Dehkordi
- Department of Molecular Medicine, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mehdi Banitalebi-Dehkordi
- Department of Molecular Medicine, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Samira Sanami
- Department of Medical Biotechnology, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammad Khodaei
- Department of Materials Science and Engineering, Golpayegan University of Technology, Golpayegan, Iran
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Nazarnezhad S, Baino F, Kim HW, Webster TJ, Kargozar S. Electrospun Nanofibers for Improved Angiogenesis: Promises for Tissue Engineering Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1609. [PMID: 32824491 PMCID: PMC7466668 DOI: 10.3390/nano10081609] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 12/27/2022]
Abstract
Angiogenesis (or the development of new blood vessels) is a key event in tissue engineering and regenerative medicine; thus, a number of biomaterials have been developed and combined with stem cells and/or bioactive molecules to produce three-dimensional (3D) pro-angiogenic constructs. Among the various biomaterials, electrospun nanofibrous scaffolds offer great opportunities for pro-angiogenic approaches in tissue repair and regeneration. Nanofibers made of natural and synthetic polymers are often used to incorporate bioactive components (e.g., bioactive glasses (BGs)) and load biomolecules (e.g., vascular endothelial growth factor (VEGF)) that exert pro-angiogenic activity. Furthermore, seeding of specific types of stem cells (e.g., endothelial progenitor cells) onto nanofibrous scaffolds is considered as a valuable alternative for inducing angiogenesis. The effectiveness of these strategies has been extensively examined both in vitro and in vivo and the outcomes have shown promise in the reconstruction of hard and soft tissues (mainly bone and skin, respectively). However, the translational of electrospun scaffolds with pro-angiogenic molecules or cells is only at its beginning, requiring more research to prove their usefulness in the repair and regeneration of other highly-vascularized vital tissues and organs. This review will cover the latest progress in designing and developing pro-angiogenic electrospun nanofibers and evaluate their usefulness in a tissue engineering and regenerative medicine setting.
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Affiliation(s)
- Simin Nazarnezhad
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran;
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Hae-Won Kim
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 31116, Korea;
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan 31116, Korea
| | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA;
| | - Saeid Kargozar
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran;
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A Systematic Review of Emerging Therapeutic Strategies in the Management of Chemical Injuries of the Ocular Surface. Eye Contact Lens 2020; 46:329-340. [PMID: 32452924 DOI: 10.1097/icl.0000000000000715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES To evaluate recent in vivo studies on emerging therapies for managing corneal epithelial injuries. METHODS The search was conducted on PubMed for articles published between January 2015 and September 2019 and in English language. RESULTS Thirty studies were identified for evaluation, including those on mesenchymal stem cells, amniotic membrane-derived therapies, endogenous peptides and their inhibitors, as well as hydrogel therapies. Intermediate to strong levels of evidence are presented regarding the use of these strategies on chemically injured cornea, including their effects on healing of corneal epithelial defect, anti-inflammatory properties, prevention of corneal neovascularization, as well as restoration of anatomy and functions of the anterior eye, although clinical trials are needed to determine the safety and efficacy of these strategies on humans. CONCLUSION Recent advances and understanding in various novel therapeutic methods for corneal epithelial chemical injuries should provide potential alternatives to current standard treatment regimens and help reduce risks of complications, hence improve patient outcomes.
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Villamil Ballesteros AC, Segura Puello HR, Lopez-Garcia JA, Bernal-Ballen A, Nieto Mosquera DL, Muñoz Forero DM, Segura Charry JS, Neira Bejarano YA. Bovine Decellularized Amniotic Membrane: Extracellular Matrix as Scaffold for Mammalian Skin. Polymers (Basel) 2020; 12:polym12030590. [PMID: 32151022 PMCID: PMC7182835 DOI: 10.3390/polym12030590] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 11/16/2019] [Accepted: 11/23/2019] [Indexed: 12/23/2022] Open
Abstract
Decellularized membranes (DM) were obtained from bovine amniotic membranes (BAM) using four different decellularization protocols, based on physical, chemical, and mechanical treatment. The new material was used as a biological scaffold for in vitro skin cell culture. The DM were characterized using hematoxylin-eosin assay, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR-ATR), and differential scanning calorimetry (DSC). The in vitro cytotoxicity of DM was evaluated using MTT. The efficacy of decellularization process was assessed through DNA quantification and electrophoresis. All the used protocols showed a high effectiveness in terms of elimination of native cells, confirmed by DNA extraction and quantification, electrophoresis, and SEM, although protocol IV removes the cellular contents and preserve the native extracellular matrix (ECM) architecture which it can be considered as the most effective in terms of decellularization. FTIR-ATR and DSC on the other hand, revealed the effects of decellularization on the biochemical composition of the matrices. There was no cytotoxicity and the biological matrices obtained were a source of collagen for recellularization. The matrices of protocols I, II, and III were degraded at day 21 of cell culture, forming a gel. The biocompatibility in vitro was demonstrated; hence these matrices may be deemed as potential scaffold for epithelial tissue regeneration.
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Affiliation(s)
- Andrea Catalina Villamil Ballesteros
- Laboratorio de Investigaciones en Salud, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia; (H.R.S.P.); (D.L.N.M.); (D.M.M.F.); (J.S.S.C.); (Y.A.N.B.)
- Correspondence:
| | - Hugo Ramiro Segura Puello
- Laboratorio de Investigaciones en Salud, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia; (H.R.S.P.); (D.L.N.M.); (D.M.M.F.); (J.S.S.C.); (Y.A.N.B.)
| | - Jorge Andres Lopez-Garcia
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Trida Tomase Bati 5678, 76001 Zlín, Czech Republic;
| | - Andres Bernal-Ballen
- Grupo de Investigación en Ingeniería Biomédica, Vicerrectoría de Investigaciones, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia;
| | - Diana Lorena Nieto Mosquera
- Laboratorio de Investigaciones en Salud, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia; (H.R.S.P.); (D.L.N.M.); (D.M.M.F.); (J.S.S.C.); (Y.A.N.B.)
| | - Diana Milena Muñoz Forero
- Laboratorio de Investigaciones en Salud, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia; (H.R.S.P.); (D.L.N.M.); (D.M.M.F.); (J.S.S.C.); (Y.A.N.B.)
| | - Juan Sebastián Segura Charry
- Laboratorio de Investigaciones en Salud, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia; (H.R.S.P.); (D.L.N.M.); (D.M.M.F.); (J.S.S.C.); (Y.A.N.B.)
| | - Yuli Alexandra Neira Bejarano
- Laboratorio de Investigaciones en Salud, Universidad Manuela Beltrán, Avenida Circunvalar No. 60-00, Bogotá 110231, Colombia; (H.R.S.P.); (D.L.N.M.); (D.M.M.F.); (J.S.S.C.); (Y.A.N.B.)
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Liu C, Tian S, Bai J, Yu K, Liu L, Liu G, Dong R, Tian D. Regulation of ERK1/2 and SMAD2/3 Pathways by Using Multi-Layered Electrospun PCL-Amnion Nanofibrous Membranes for the Prevention of Post-Surgical Tendon Adhesion. Int J Nanomedicine 2020; 15:927-942. [PMID: 32103947 PMCID: PMC7023877 DOI: 10.2147/ijn.s231538] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 01/30/2020] [Indexed: 12/12/2022] Open
Abstract
Background Adhesion after tendon injury is a common complication in clinical practice. The lack of effective prevention mechanisms seriously affects the functional rehabilitation of patients. This research aimed to optimise the amniotic membrane and explain the mechanism of tendon–amniotic membrane by imitating the tendon sheath to construct a multilayer electrospun polycaprolactone (PCL) nanofibre membrane. Materials and Methods Fresh amnions were subjected to freezing and vacuum drying. The two surfaces of freeze-dried amnions were coated with PCL nanofibres by electrospinning, thereby forming a multilayer composite membrane and constructing a growth factor-sustained release system conforming to the tendon-healing cycle. The new materials were characterised, and the biological effects on tenocytes and fibroblasts were evaluated. The tendon injury model of New Zealand rabbits was constructed to observe the effects on tendon adhesion and healing. Results After freezing and vacuum drying, fresh amnions were found to effectively remove most of the cell components but retained the active components TGF-β1, bFGF, VEGF, and PDGF, as well as the fibrous reticular structure of the basement membrane. After coating with PCL nanofibres, a composite membrane mimicking the structure of the tendon sheath was constructed, thereby strengthening the tensile strength of the amnion. By up-regulating the phosphorylation of ERK1/2 and SMAD2/3, the adhesion and proliferation of tenocytes and fibroblasts were promoted, and collagen synthesis was enhanced. In the rabbit tendon repair model, the composite membrane effectively isolated the exogenous adhesion tissue and promoted endogenous tendon healing. Conclusion The composite membrane mimicking the structure of tendon sheath effectively isolated the exogenous adhesion tissue and achieved good tendon slip. By slowly releasing the growth factors TGF-β1, bFGF, VEGF and PDGF, the ERK1/2 and SMAD2/3 pathways were regulated. Consequently, endogenous tendon healing was promoted. This strategy can alternatively address the clinical problem of tendon adhesion.
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Affiliation(s)
- Chunjie Liu
- Department of Orthopedics, Tangshan Workers Hospital, Tangshan, Hebei 063000, People's Republic of China
| | - Siyu Tian
- Department of Hand Surgery, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, People's Republic of China
| | - Jiangbo Bai
- Department of Hand Surgery, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, People's Republic of China
| | - Kunlun Yu
- Department of Hand Surgery, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, People's Republic of China
| | - Lei Liu
- Department of Orthopedics, Changping District Hospital, Beijing 102200, People's Republic of China
| | - Guoli Liu
- Department of Orthopedics, The Second Hospital of Tangshan, Tangshan, Hebei 063000,People's Republic of China
| | - Ruiyi Dong
- Department of Orthopedics, Cangzhou Integrated Traditional Chinese and Western Medicine Hospital, Cangzhou, Hebei 061001, People's Republic of China
| | - Dehu Tian
- Department of Hand Surgery, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, People's Republic of China
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Liao J, Xu B, Zhang R, Fan Y, Xie H, Li X. Applications of decellularized materials in tissue engineering: advantages, drawbacks and current improvements, and future perspectives. J Mater Chem B 2020; 8:10023-10049. [PMID: 33053004 DOI: 10.1039/d0tb01534b] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Decellularized materials (DMs) are attracting more and more attention in tissue engineering because of their many unique advantages, and they could be further improved in some aspects through various means.
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Affiliation(s)
- Jie Liao
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beijing Advanced Innovation Center for Biomedical Engineering
- Beihang University
- Beijing 100083
| | - Bo Xu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beijing Advanced Innovation Center for Biomedical Engineering
- Beihang University
- Beijing 100083
| | - Ruihong Zhang
- Department of Research and Teaching
- the Fourth Central Hospital of Baoding City
- Baoding 072350
- China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beijing Advanced Innovation Center for Biomedical Engineering
- Beihang University
- Beijing 100083
| | - Huiqi Xie
- Laboratory of Stem Cell and Tissue Engineering
- State Key Laboratory of Biotherapy and Cancer Center
- West China Hospital
- Sichuan University and Collaborative Innovation Center of Biotherapy
- Chengdu 610041
| | - Xiaoming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beijing Advanced Innovation Center for Biomedical Engineering
- Beihang University
- Beijing 100083
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