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Wu KY, Fujioka JK, Goodyear E, Tran SD. Polymers and Biomaterials for Posterior Lamella of the Eyelid and the Lacrimal System. Polymers (Basel) 2024; 16:352. [PMID: 38337241 DOI: 10.3390/polym16030352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
The application of biopolymers in the reconstruction of the posterior lamella of the eyelid and the lacrimal system marks a significant fusion of biomaterial science with clinical advancements. This review assimilates research spanning 2015 to 2023 to provide a detailed examination of the role of biopolymers in reconstructing the posterior lamella of the eyelid and the lacrimal system. It covers the anatomy and pathophysiology of eyelid structures, the challenges of reconstruction, and the nuances of surgical intervention. This article progresses to evaluate the current gold standards, alternative options, and the desirable properties of biopolymers used in these intricate procedures. It underscores the advancements in the field, from decellularized grafts and acellular matrices to innovative natural and synthetic polymers, and explores their applications in lacrimal gland tissue engineering, including the promise of 3D bioprinting technologies. This review highlights the importance of multidisciplinary collaboration between material scientists and clinicians in enhancing surgical outcomes and patient quality of life, emphasizing that such cooperation is pivotal for translating benchtop research into bedside applications. This collaborative effort is vital for restoring aesthetics and functionality for patients afflicted with disfiguring eyelid diseases, ultimately aiming to bridge the gap between innovative materials and their clinical translation.
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Affiliation(s)
- Kevin Y Wu
- Department of Surgery, Division of Ophthalmology, University of Sherbrooke, Sherbrook, QC J1G 2E8, Canada
| | - Jamie K Fujioka
- Faculty of Medicine, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Emilie Goodyear
- Department of Ophthalmology, Faculty of Medicine, Université de Montréal, Montreal, QC H3C 3J7, Canada
- Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC H2X 0A9, Canada
- Centre Hospitalier Universitaire Sainte-Justine, Montreal, QC H3T 1C5, Canada
| | - Simon D Tran
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC H3A 1G1, Canada
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2
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Lai W, Liau W, Yang L. Preparation of porous biodegradable
PLLA
with tunable pore size through simple variation of
PEG
/
PLLA‐blend
crystallization conditions. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wei‐Chi Lai
- Department of Chemical and Materials Engineering Tamkang University New Taipei City Taiwan
| | - Wen‐Bin Liau
- Department of Materials Science and Engineering National Taiwan University Taipei Taiwan
| | - Ling‐Yueh Yang
- Department of Materials Science and Engineering National Taiwan University Taipei Taiwan
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3
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Singh VK, Sharma P, Vaksh UKS, Chandra R. Current approaches for the regeneration and reconstruction of ocular surface in dry eye. Front Med (Lausanne) 2022; 9:885780. [PMID: 36213677 PMCID: PMC9544815 DOI: 10.3389/fmed.2022.885780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
Significant research revealed the preocular tear film composition and regulations that remain vital for maintaining Ocular surface functional integrity. Inflammation triggered by many factors is the hallmark of Ocular surface disorders or dry eyes syndrome (DES). The tear deficiencies may lead to ocular surface desiccation, corneal ulceration and/or perforation, higher rates of infectious disease, and the risk of severe visual impairment and blindness. Clinical management remains largely supportive, palliative, and frequent, lifelong use of different lubricating agents. However, few advancements such as punctal plugs, non-steroidal anti-inflammatory drugs, and salivary gland autografts are of limited use. Cell-based therapies, tissue engineering, and regenerative medicine, have recently evolved as long-term cures for many diseases, including ophthalmic diseases. The present article focuses on the different regenerative medicine and reconstruction/bioengineered lacrimal gland formation strategies reported so far, along with their limiting factors and feasibility as an effective cure in future.
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Affiliation(s)
- Vimal Kishor Singh
- Department of Biomedical Engineering, Amity School of Engineering and Technology, Amity University, Noida, Uttar Pradesh, India
- *Correspondence: Vimal Kishor Singh ; ;
| | - Pallavi Sharma
- Tissue Engineering and Regenerative Medicine Research Lab, Department of Biomedical Engineering, Amity School of Engineering and Technology, Amity University, Noida, Uttar Pradesh, India
| | - Uttkarsh Kumar Sharma Vaksh
- Tissue Engineering and Regenerative Medicine Research Lab, Department of Biomedical Engineering, Amity School of Engineering and Technology, Amity University, Gurgaon, Haryana, India
| | - Ramesh Chandra
- Institute of Nanomedical Sciences, University of Delhi, Delhi, India
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He X, Yuan Z, Kao W, Miller D, Li SK, Park YC. Size-Exclusive Nanoporous Biodegradable PLGA Capsules for Drug Delivery Implants and In Vivo Stability in the Posterior Segment. ACS APPLIED BIO MATERIALS 2020; 3:1722-1729. [PMID: 35021661 DOI: 10.1021/acsabm.0c00027] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The current standard of care for posterior segment eye diseases, such as neovascular age-related macular degeneration, diabetic macular edema, is frequent intravitreal injections or sustained-release drug implants. Intravitreal injections have a low incidence of serious complications such as retinal detachment, endophthalmitis, iatrogenic traumatic cataract, or iridocyclitis and injection-site reactions. However, there is a significant burden to the patient, the patient's family, and the health system because current intravitreal therapies require between every 4 and 12 week administration over many years. Drug implants have side effects due to the burst release of the drugs, and their release cannot be easily controlled after implantation. We have developed a size-exclusive nanoporous biodegradable PLGA capsule for dosage-controllable drug delivery implants. We have optimized the nanoporous structure by tuning the ratio between porogen and high molecular weight PLGA and tested the stability against passive leakage of the liposomal drug (1-2 μm) and the safety in vivo rabbit eyes for 6 months. Our results suggest that PLGA implants made of the nanoporous PLGA sheet can selectively release drug molecules, keeping the liposomal drug inside. In addition, the implant was biocompatible, causing no inflammation and foreign body response when implanted for 6 months. Overall, the implant shows great potential for on-demand dose-controllable drug release applications.
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Affiliation(s)
| | | | | | - Daniel Miller
- Cincinnati Eye Institute, Cincinnati, Ohio 45242, United States
| | - S Kevin Li
- College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45221, United States
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5
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Montesanto S, Smithers NP, Bucchieri F, Brucato V, La Carrubba V, Davies DE, Conforti F. Establishment of a pulmonary epithelial barrier on biodegradable poly-L-lactic-acid membranes. PLoS One 2019; 14:e0210830. [PMID: 30653572 PMCID: PMC6336298 DOI: 10.1371/journal.pone.0210830] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 12/20/2018] [Indexed: 11/18/2022] Open
Abstract
Development of biocompatible and functional scaffolds for tissue engineering is a major challenge, especially for development of polarised epithelia that are critical structures in tissue homeostasis. Different in vitro models of the lung epithelial barrier have been characterized using non-degradable polyethylene terephthalate membranes which limits their uses for tissue engineering. Although poly-L-lactic acid (PLLA) membranes are biodegradable, those prepared via conventional Diffusion Induced Phase Separation (DIPS) lack open-porous geometry and show limited permeability compromising their use for epithelial barrier studies. Here we used PLLA membranes prepared via a modification of the standard DIPS protocol to control the membrane surface morphology and permeability. These were bonded to cell culture inserts for use in barrier function studies. Pulmonary epithelial cells (H441) readily attached to the PLLA membranes and formed a confluent cell layer within two days. This was accompanied by a significant increase in trans-epithelial electrical resistance and correlated with the formation of tight junctions and vectorial cytokine secretion in response to TNFα. Our data suggest that a structurally polarized and functional epithelial barrier can be established on PLLA membranes produced via a non-standard DIPS protocol. Therefore, PLLA membranes have potential utility in lung tissue engineering applications requiring bio-absorbable membranes.
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Affiliation(s)
- Salvatore Montesanto
- The Brooke Laboratory, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- Department of Civil, Environmental, Aerospace, Materials Engineering (DICAM), University of Palermo, Palermo, Italy
| | - Natalie P. Smithers
- The Brooke Laboratory, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Fabio Bucchieri
- Department of Experimental Biomedicine and Clinical Neurosciences (BIONEC), University of Palermo, Palermo, Italy
| | - Valerio Brucato
- Department of Civil, Environmental, Aerospace, Materials Engineering (DICAM), University of Palermo, Palermo, Italy
- Interuniversitary Consortium for Material Science and Technology (INSTM) – Research Unit of Palermo, Palermo, Italy
| | - Vincenzo La Carrubba
- Department of Civil, Environmental, Aerospace, Materials Engineering (DICAM), University of Palermo, Palermo, Italy
- Interuniversitary Consortium for Material Science and Technology (INSTM) – Research Unit of Palermo, Palermo, Italy
| | - Donna E. Davies
- The Brooke Laboratory, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- NIHR Respiratory Biomedical Research Unit, University Hospital Southampton, Southampton, United Kingdom
| | - Franco Conforti
- The Brooke Laboratory, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- NIHR Respiratory Biomedical Research Unit, University Hospital Southampton, Southampton, United Kingdom
- * E-mail:
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6
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Garg A, Zhang X. Lacrimal gland development: From signaling interactions to regenerative medicine. Dev Dyn 2017; 246:970-980. [PMID: 28710815 DOI: 10.1002/dvdy.24551] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 03/13/2017] [Accepted: 06/06/2017] [Indexed: 12/30/2022] Open
Abstract
The lacrimal gland plays a pivotal role in keeping the ocular surface lubricated, and protecting it from environmental exposure and insult. Dysfunction of the lacrimal gland results in deficiency of the aqueous component of the tear film, which can cause dryness of the ocular surface, also known as the aqueous-deficient dry eye disease. Left untreated, this disease can lead to significant morbidity, including frequent eye infections, corneal ulcerations, and vision loss. Current therapies do not treat the underlying deficiency of the lacrimal gland, but merely provide symptomatic relief. To develop more sustainable and physiological therapies, such as in vivo lacrimal gland regeneration or bioengineered lacrimal gland implants, a thorough understanding of lacrimal gland development at the molecular level is of paramount importance. Based on the structural and functional similarities between rodent and human eye development, extensive studies have been undertaken to investigate the signaling and transcriptional mechanisms of lacrimal gland development using mouse as a model system. In this review, we describe the current understanding of the extrinsic signaling interactions and the intrinsic transcriptional network governing lacrimal gland morphogenesis, as well as recent advances in the field of regenerative medicine aimed at treating dry eye disease. Developmental Dynamics 246:970-980, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Ankur Garg
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana.,Departments of Ophthalmology, Pathology and Cell Biology, Columbia University, New York, New York
| | - Xin Zhang
- Departments of Ophthalmology, Pathology and Cell Biology, Columbia University, New York, New York
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Massie I, Dietrich J, Roth M, Geerling G, Mertsch S, Schrader S. Development of Causative Treatment Strategies for Lacrimal Gland Insufficiency by Tissue Engineering and Cell Therapy. Part 2: Reconstruction of Lacrimal Gland Tissue: What Has Been Achieved So Far and What Are the Remaining Challenges? Curr Eye Res 2016; 41:1255-1265. [DOI: 10.3109/02713683.2016.1151531] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Isobel Massie
- Labor für Experimentelle Ophthalmologie, University of Düsseldorf, Düsseldorf, Germany
| | - Jana Dietrich
- Labor für Experimentelle Ophthalmologie, University of Düsseldorf, Düsseldorf, Germany
| | - Mathias Roth
- Labor für Experimentelle Ophthalmologie, University of Düsseldorf, Düsseldorf, Germany
| | - Gerd Geerling
- Augenklinik, Universitätsklinikum Düsseldorf, Düsseldorf, Germany
| | - Sonja Mertsch
- Labor für Experimentelle Ophthalmologie, University of Düsseldorf, Düsseldorf, Germany
| | - Stefan Schrader
- Labor für Experimentelle Ophthalmologie, University of Düsseldorf, Düsseldorf, Germany
- Augenklinik, Universitätsklinikum Düsseldorf, Düsseldorf, Germany
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Puglia D, Ceccolini R, Fortunati E, Armentano I, Morena F, Martino S, Aluigi A, Torre L, Kenny JM. Effect of processing techniques on the 3D microstructure of poly (l-lactic acid) scaffolds reinforced with wool keratin from different sources. J Appl Polym Sci 2015. [DOI: 10.1002/app.42890] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Debora Puglia
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Romina Ceccolini
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Elena Fortunati
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Ilaria Armentano
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Francesco Morena
- Department of Chemistry, Biology and Biotechnology; University of Perugia; Perugia 06123 Italy
| | - Sabata Martino
- Department of Chemistry, Biology and Biotechnology; University of Perugia; Perugia 06123 Italy
| | - Annalisa Aluigi
- CNR-ISOF, Institute of Organic Synthesis and Photoreactivity; Bologna 40129 Italy
| | - Luigi Torre
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Jose M Kenny
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
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9
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Development of microporous structure and its application to optical film for cellulose triacetate containing diisodecyl adipate. Carbohydr Polym 2015; 120:22-8. [DOI: 10.1016/j.carbpol.2014.11.056] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 11/08/2014] [Accepted: 11/20/2014] [Indexed: 11/21/2022]
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10
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Soicher MA, Christiansen BA, Stover SM, Leach JK, Yellowley CE, Griffiths LG, Fyhrie DP. Remineralized bone matrix as a scaffold for bone tissue engineering. J Biomed Mater Res A 2014; 102:4480-90. [PMID: 24616346 DOI: 10.1002/jbm.a.35118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 01/27/2014] [Accepted: 02/10/2014] [Indexed: 11/10/2022]
Abstract
There is a need for improved biomaterials for use in treating non-healing bone defects. A number of natural and synthetic biomaterials have been used for the regeneration of bone tissue with mixed results. One approach is to modify native tissue via decellularization or other treatment for use as natural scaffolding for tissue repair. In this study, our goal was to improve on our previously published alternating solution immersion (ASI) method to fabricate a robust, biocompatible, and mechanically competent biomaterial from natural demineralized bone matrix (DBM). The improved method includes an antigen removal (AR) treatment step which improves mineralization and stiffness while removing unwanted proteins. The chemistry of the mineral in the remineralized bone matrix (RBM) was consistent with dicalcium phosphate dihydrate (brushite), a material used clinically in bone healing applications. Mass spectrometry identified proteins removed from the matrix with AR treatment to include α-2 HS-glycoprotein and osteopontin, noncollagenous proteins (NCPs) and known inhibitors of biomineralization. Additionally, the RBM supported the survival, proliferation, and differentiation of human mesenchymal stromal cells (MSCs) in vitro as well or better than other widely used biomaterials including DBM and PLG scaffolds. DNA content increased more than 10-fold on RBM compared to DBM and PLG; likewise, osteogenic gene expression was significantly increased after 1 and 2 weeks. We demonstrated that ASI remineralization has the capacity to fabricate mechanically stiff and biocompatible RBM, a suitable biomaterial for cell culture applications.
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Affiliation(s)
- Matthew A Soicher
- Department of Orthopaedic Surgery, School of Medicine, University of California, Davis, California; Biomedical Engineering Graduate Group, University of California, Davis, California
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Krok M, Pamula E. Poly(L-lactide-co-glycolide) microporous membranes for medical applications produced with the use of polyethylene glycol as a pore former. J Appl Polym Sci 2012. [DOI: 10.1002/app.36697] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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12
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Sundararaghavan HG, Metter RB, Burdick JA. Electrospun fibrous scaffolds with multiscale and photopatterned porosity. Macromol Biosci 2010; 10:265-70. [PMID: 20014198 DOI: 10.1002/mabi.200900363] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The structural and mechanical properties of tissue engineered environments are crucial for successful cellular growth and tissue repair. Electrospinning is gaining wide attention for the fabrication of tissue engineered scaffolds, but the small pore sizes of these scaffolds limit cell infiltration and construct vascularization. To address this problem, we have combined electrospinning with photopatterning to create multiscale porous scaffolds. This process retains the fibrous nature of the scaffolds and permits enhanced cellular infiltration and vascularization when compared to unpatterned scaffolds. This is the first time that photopatterning has been utilized with electrospun scaffolds and is only now possible with the electrospinning of reactive macromers.
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Affiliation(s)
- Harini G Sundararaghavan
- University of Pennsylvania, Department of Bioengineering, 210 S 33rd Street, Philadelphia, PA 19104, USA
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