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Vacalebre M, Frison R, Corsaro C, Neri F, Santoro A, Conoci S, Anastasi E, Curatolo MC, Fazio E. Current State of the Art and Next Generation of Materials for a Customized IntraOcular Lens according to a Patient-Specific Eye Power. Polymers (Basel) 2023; 15:polym15061590. [PMID: 36987370 PMCID: PMC10054364 DOI: 10.3390/polym15061590] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Intraocular lenses (IOLs) are commonly implanted after surgical removal of a cataractous lens. A variety of IOL materials are currently available, including collamer, hydrophobic acrylic, hydrophilic acrylic, PHEMA copolymer, polymethylmethacrylate (PMMA), and silicone. High-quality polymers with distinct physical and optical properties for IOL manufacturing and in line with the highest quality standards on the market have evolved to encompass medical needs. Each of them and their packaging show unique advantages and disadvantages. Here, we highlight the evolution of polymeric materials and mainly the current state of the art of the unique properties of some polymeric systems used for IOL design, identifying current limitations for future improvements. We investigate the characteristics of the next generation of IOL materials, which must satisfy biocompatibility requirements and have tuneable refractive index to create patient-specific eye power, preventing formation of posterior capsular opacification.
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Affiliation(s)
- Martina Vacalebre
- Dipartimento di Scienze Matematiche ed Informatiche, Scienze Fisiche e Scienze della Terra (MIFT), Università di Messina, V.le Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Renato Frison
- Optical Consultant SIFI SpA, 95025 Aci Sant'Antonio (CT), Italy
| | - Carmelo Corsaro
- Dipartimento di Scienze Matematiche ed Informatiche, Scienze Fisiche e Scienze della Terra (MIFT), Università di Messina, V.le Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Fortunato Neri
- Dipartimento di Scienze Matematiche ed Informatiche, Scienze Fisiche e Scienze della Terra (MIFT), Università di Messina, V.le Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Antonio Santoro
- Dipartimento di Scienze Chimiche, Biologiche, Farmacologiche ed Ambientali (CHIBIOFARAM), Università di Messina, V.le Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Sabrina Conoci
- Dipartimento di Scienze Chimiche, Biologiche, Farmacologiche ed Ambientali (CHIBIOFARAM), Università di Messina, V.le Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Elena Anastasi
- Innovation and Medical Science, SIFI SpA, 95025 Aci Sant'Antonio (CT), Italy
| | | | - Enza Fazio
- Dipartimento di Scienze Matematiche ed Informatiche, Scienze Fisiche e Scienze della Terra (MIFT), Università di Messina, V.le Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy
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Tortolano L, Mrad O, Manerlax K, Khalfoun C, Yousfi R, Saunier J, Secretan P, Yagoubi N. Comparative stability of intraocular lenses during 2–20 years of artificial aging, potential effects in terms of biocompatibility. J Appl Polym Sci 2022. [DOI: 10.1002/app.52752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lionel Tortolano
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
- Department of Pharmacy Assistance Publique‐Hôpitaux de Paris, Groupe Hospitalier Henri Mondor Créteil France
| | - Omar Mrad
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
| | - Katia Manerlax
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
| | - Chaineze Khalfoun
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
| | - Rayane Yousfi
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
| | - Johanna Saunier
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
| | | | - Najet Yagoubi
- EA Matériaux et Santé Université Paris‐Saclay Châtenay‐Malabry France
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Role of fibronectin and IOL surface modification in IOL: Lens capsule interactions. Exp Eye Res 2022; 221:109135. [PMID: 35662618 DOI: 10.1016/j.exer.2022.109135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 11/20/2022]
Abstract
Posterior Capsule Opacification (PCO) is one of the most common complications of cataract surgery. While studies have shown that IOL material properties and fibronectin adsorption may affect IOL-induced PCO in the clinical setting, the mechanism governing such interactions is not totally understood. Since strong adhesion forces between IOLs and posterior capsules (PCs) have been shown to impede cell infiltration and thus reduce PCO formation, this study was designed to assess whether fibronectin adsorption and IOL material properties would impact the IOL:PC adhesion force and cell infiltration using a PCO predictive in vitro model and a macromolecular dye imaging model, respectively. Our results showed that fibronectin adsorption significantly increased the adhesion forces and reduced simulated cell infiltration between acrylic foldable IOLs and the PC at physiological temperature in comparison to fibronectin-free controls. This fibronectin-mediated strong IOL: PC bond may be contributing to low PCO rates in the clinic for acrylic foldable IOLs. In addition, acrylic foldable IOLs coated with Di(ethylene glycol) (Diglyme), a hydrophilic coating known to reduce protein adsorption, was tested for its ability to alter adhesion force and cell infiltration. We observed that IOLs coated with Diglyme coating greatly reduced surface hydrophobicity and fibronectin adsorption of acrylic foldable IOLs. Furthermore, Diglyme coated IOLs showed significantly reduced adhesion force and increased simulated cell infiltration at the IOL:PC interface. The overall results support the hypothesis that IOL surface properties and their ability to adsorb fibronectin may have great impact on the IOL:PC adhesion force. A tight binding between IOLs and PC may contribute to the reduction of cell infiltration and thus the PCO incidence rate in the clinic.
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Bernard M, Jubeli E, Bakar J, Saunier J, Yagoubi N. Impact of simulated biological aging on physicochemical and biocompatibility properties of cyclic olefin copolymers. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 97:377-387. [PMID: 30678923 DOI: 10.1016/j.msec.2018.12.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 10/21/2018] [Accepted: 12/10/2018] [Indexed: 10/27/2022]
Abstract
We study the effect of simulated biological aging on the properties of cyclic olefin copolymers and particularly their biocompatibility. Already reported as biocompatible polymers according to ISO/EN 10993 guidelines, COC are good candidates for medical devices. The influence of two major additives (antioxidants and lubricants) was investigated and comparison with non-aging COC was done. Four in vitro simulated biological conditions were tested: 2 extreme pH (1 and 9) to simulate digestive tract environment; THP-1-derived macrophages contact and pro-oxidant medium with hypochlorite solution simulating the oxidative attack during the foreign body reaction. After one month of incubation with the different media at 37 °C, surface topography was studied by atomic force microscopy (AFM) and IR spectroscopy. Extracts of incubated media were also analysed in chromatography to investigate potential degradation products. Cytotoxicity (MTT and LDH) of the materials was evaluated using cell culture methods with L929 fibroblasts. Oxidative stress (ROS and SOD analysis) and two inflammatory biomarkers (Il-6 and TNF-α secretion) were explored on THP-1-derived macrophages in direct contact with aged COC. Surface topography of COC was modified by aging conditions with an influence of antioxidant presence and under some conditions. HPLC analysis realized on freeze-dried solutions issued from the different incubations showed the presence of traces of low molecular weight compounds issued from polyphenolic antioxidant and from COC degradation. GC-MS analysis carried out directly on the different incubated COC, showed no detectable leachable molecules. No cytotoxicity has been observed with the different aged COC. However, results show that the pH environment had an influence on the cytotoxicity tests with a protecting effect of antioxidant presence; and pro-oxidant incubating conditions decreased cellular viability on COC. pH 1 and pH 9 conditions also induced an increase of ROS production which was partially reduced for COC containing an antioxidant or a lubricant. Il-6 production was globally more important for aged COC compared with basal condition and particularly for oxidative simulated environment. Those results indicate that physiological factors like pH or oxidant conditions have an impact on surface topography and on COC interaction with the biological environment but without compromising their biocompatibility. Antioxidant or lubricant presence could modulate these variations pointing out the necessity of a thoroughly investigation for biocompatibility assessment of COC as a component of implantable devices. COCs show a good biocompatibility even after accelerated aging under extreme biological conditions.
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Affiliation(s)
- Mélisande Bernard
- Paris-Sud University, Faculty of Pharmacy, EA 401 "Groupe Matériaux et Santé", Paris, France; Assistance Publique - Hôpitaux de Paris, Agence Générale des Produits et Equipements de Santé, Quality Control Department, Paris, France
| | - Emile Jubeli
- Paris-Sud University, Faculty of Pharmacy, EA 401 "Groupe Matériaux et Santé", Paris, France.
| | - Joudi Bakar
- Paris-Sud University, Faculty of Pharmacy, EA 401 "Groupe Matériaux et Santé", Paris, France
| | - Johanna Saunier
- Paris-Sud University, Faculty of Pharmacy, EA 401 "Groupe Matériaux et Santé", Paris, France
| | - Najet Yagoubi
- Paris-Sud University, Faculty of Pharmacy, EA 401 "Groupe Matériaux et Santé", Paris, France
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Juráňová J. Illuminating the cellular and molecular mechanism of the potential toxicity of methacrylate monomers used in biomaterials. Drug Chem Toxicol 2019; 43:266-278. [DOI: 10.1080/01480545.2018.1488860] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Jana Juráňová
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacky University, Hněvotínská 3, Olomouc, Czech Republic
- Faculty of Medicine and Dentistry, Institute of Molecular and Translational Medicine, Palacky University, Hněvotínská 5, Olomouc, Czech Republic
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Jubeli E, Khzam A, Yagoubi N. Cells integration onto scaffolds prepared from polyester based polymers – importance of polymer thermal properties in addition to hydrophilicity. INT J POLYM MATER PO 2018. [DOI: 10.1080/00914037.2018.1525549] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Emile Jubeli
- Faculty of Pharmacy, Paris-Sud University, Paris, France
| | - Afif Khzam
- Faculty of Pharmacy, Paris-Sud University, Paris, France
| | - Najet Yagoubi
- Faculty of Pharmacy, Paris-Sud University, Paris, France
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Bernard M, Jubeli E, Pungente MD, Yagoubi N. Biocompatibility of polymer-based biomaterials and medical devices – regulations,in vitroscreening and risk-management. Biomater Sci 2018; 6:2025-2053. [DOI: 10.1039/c8bm00518d] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Biomaterials play an increasing role in modern health care systems.
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Affiliation(s)
- Mélisande Bernard
- Paris-Sud University
- Faculty of Pharmacy
- EA 401
- “Groupe Matériaux et Santé”
- Paris
| | - Emile Jubeli
- Paris-Sud University
- Faculty of Pharmacy
- EA 401
- “Groupe Matériaux et Santé”
- Paris
| | | | - Najet Yagoubi
- Paris-Sud University
- Faculty of Pharmacy
- EA 401
- “Groupe Matériaux et Santé”
- Paris
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Tortolano L, Hammami S, Manerlax K, Do B, Yagoubi N. RP-HPLC detection and dosage method for acrylic monomers and degradation products released from implanted medical devices. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1038:26-33. [PMID: 27776330 DOI: 10.1016/j.jchromb.2016.10.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 10/15/2016] [Accepted: 10/17/2016] [Indexed: 10/20/2022]
Abstract
Acrylic copolymers are useful in medical therapeutics. As in dental implants or intraocular lenses, acrylics are present in many medical devices or drug adjuvants. Industrial using of acrylics is still important in painting or textile manufacturing. Scientific research background has proved that acrylic suffer for depolymerized and cross-linking mechanisms under heating and photo-oxidative conditions. Those aging processes could lead to release of unreacted monomers and degradation products. We developed a new RP-HPLC method with good resolution, recovery, linearity, detection and quantification limits that is efficient for acrylic monomers quantification in in vitro and in vivo saline solution matrices. This method allows the detection of copolymer and medical devices degradation products too. Both the limit of quantification and the limit of detection for monomers and degradation products are above cytotoxic concentrations for human epithelial cells. Those biological results confirm the interest of the method for dosage of unreacted acrylics after polymerization and for the research of degradation products in body fluids as aqueous humor.
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Affiliation(s)
- Lionel Tortolano
- EA 401: Matériaux et santé, Université Paris-Saclay, UFR Pharmacie, Châtenay-Malabry F-92290, France; Gustave Roussy, Université Paris-Saclay, Département de Pharmacie Clinique, Villejuif F-94805, France.
| | - Senda Hammami
- EA 401: Matériaux et santé, Université Paris-Saclay, UFR Pharmacie, Châtenay-Malabry F-92290, France
| | - Katia Manerlax
- EA 401: Matériaux et santé, Université Paris-Saclay, UFR Pharmacie, Châtenay-Malabry F-92290, France
| | - Bernard Do
- EA 401: Matériaux et santé, Université Paris-Saclay, UFR Pharmacie, Châtenay-Malabry F-92290, France; Hôpital Universitaire Henri Mondor, AP-HP, Département de Pharmacie, Créteil F-94010, France
| | - Najet Yagoubi
- EA 401: Matériaux et santé, Université Paris-Saclay, UFR Pharmacie, Châtenay-Malabry F-92290, France
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