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Durak S, Sutova HE, Ceylan R, Aciksari A, Yetisgin AA, Onder Tokuc E, Kutlu O, Karabas VL, Cetinel S. A Nanogel Formulation of Anti-VEGF Peptide for Ocular Neovascularization Treatment. ACS APPLIED BIO MATERIALS 2024; 7:6001-6013. [PMID: 39167547 DOI: 10.1021/acsabm.4c00585] [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: 08/23/2024]
Abstract
Age-related macular degeneration (AMD) is an eye disorder that can lead to visual impairment in elder patients, and current treatments include repeated injections of monoclonal antibody-based antivascular endothelial growth factor (anti-VEGF) agents. This study investigates the potential of a nanoformulation of a peptide anti-VEGF molecule for neovascular AMD. Anti-VEGF peptide HRHTKQRHTALH (HRH), which has high affinity to VEGF-Fc receptor, was used as the bioactive agent to control neovascularization of the retina. The nanoformulation consisting of hyaluronic acid nanogel was generated by incorporating divinyl sulfone and cholesterol to increase the stability and control the size of the nanodrug. The encapsulation efficacy of nanogel was 65%, and drug release was 34.72% at the end of 192 h. Obtained nanogels were efficiently internalized in 15 min by human umbilical vascular endothelial cells (HUVECs) and ARPE-19 cells, and results indicate that nanoformulation is not toxic to ARPE-19 cells, whereas it inhibits HUVEC proliferation owing to anti-VEGF peptide in the nanogel structure. In the coculture experiment in which retinal penetration was modeled, it was observed that the nanogel reached HUVECs and negatively affected their proliferation without disturbing the monolayer of ARPE-19 cells. In vivo experiments with chick chorioallantoic membrane revealed that nanogel formulation has higher antiangiogenesis activity compared to free HRH. Additionally, in an oxygen-induced retinopathy model, the excessive growth of blood vessels was notably suppressed in mice treated with HRH-loaded nanogel. This research indicates that nanogels formulated in this study are promising candidates as a topical treatment for AMD.
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Affiliation(s)
- Saliha Durak
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey
| | - Hande Eda Sutova
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey
| | - Ramazan Ceylan
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
- Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
| | - Aysegul Aciksari
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
| | - Abuzer Alp Yetisgin
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
- Faculty of Engineering and Natural Sciences, Materials Science and Nano-Engineering Program, Sabanci University, Istanbul 34956, Turkey
| | - Ecem Onder Tokuc
- Department of Ophthalmology, Kocaeli University School of Medicine, Kocaeli 41001, Turkey
| | - Ozlem Kutlu
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey
| | - Veysel Levent Karabas
- Department of Ophthalmology, Kocaeli University School of Medicine, Kocaeli 41001, Turkey
| | - Sibel Cetinel
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey
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Caruso C, D'Andrea L, Rinaldi M, Senese I, Piscopo R, Costagliola C. Modified Sodium hyaluronate conjugated to riboflavin (Har® 0.1 %) as lubricant eyedrops in the treatment of dry eye: A prospective randomised study. Heliyon 2024; 10:e35527. [PMID: 39170271 PMCID: PMC11336708 DOI: 10.1016/j.heliyon.2024.e35527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 07/30/2024] [Accepted: 07/30/2024] [Indexed: 08/23/2024] Open
Abstract
Background This study evaluates the therapeutic efficacy of HAr® (a novel ophthalmic solution containing modified hyaluronic acid covalently linked to riboflavin) compared to hyaluronic acid eye drops in patients with dry eye disease (DED). Methods Sixteen consecutive patients with bilateral medium to severe DED were divided into two groups. Group 1 received HAr® 0.1 % (Ribohyal®), while Group 2 received HA 0.1 % eye drops. Parameters such as Ocular Surface Disease Index (OSDI) score, osmolarity, break-up time (BUT), non-invasive BUT (NIBUT), tear meniscus measurement, Schirmer test, and Oxford Staining were evaluated. This study has been successfully registered on ClinicalTrials.gov public (Identifier NCT06122428). Results The Ribohyal group showed faster improvement in OSDI scores, with a statistically significant difference at 2 h (mean classification difference: -51.75; p = 0.0003). Photophobia significantly reduced at 2 h, 4 weeks, and 8 weeks in the Ribohyal group compared to baseline (p < 0.0001). Osmolarity improved significantly after 8 weeks in both groups (p < 0.0001). Conclusions HAr® 0.1 % (Ribohyal®) effectively reduced DED symptoms and improved photophobia within 2 h of instillation, lasting up to 8 weeks.
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Affiliation(s)
- Ciro Caruso
- Corneal Transplant Center, Pellegrini Hospital, Naples, Italy
| | - Luca D'Andrea
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, Department of Public Health, Naples, Italy
| | - Michele Rinaldi
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, Naples, Italy
| | - Ivana Senese
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, Naples, Italy
| | - Raffaele Piscopo
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, Naples, Italy
| | - Ciro Costagliola
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, Naples, Italy
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Bokatyi AN, Dubashynskaya NV, Skorik YA. Chemical modification of hyaluronic acid as a strategy for the development of advanced drug delivery systems. Carbohydr Polym 2024; 337:122145. [PMID: 38710553 DOI: 10.1016/j.carbpol.2024.122145] [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: 02/07/2024] [Revised: 03/28/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024]
Abstract
Hyaluronic acid (HA) has emerged as a promising biopolymer for various biomedical applications due to its biocompatibility, biodegradability, and intrinsic ability to interact with cell surface receptors, making it an attractive candidate for drug delivery systems and tissue engineering. Chemical modification of HA has opened up versatile possibilities to tailor its properties, enabling the development of advanced drug delivery systems and biomaterials with enhanced functionalities and targeted applications. This review analyzes the strategies and applications of chemically modified HA in the field of drug delivery and biomaterial development. The first part of the review focuses on the different methods and functional groups used for the chemical modification of HA, highlighting the impact of these modifications on its physicochemical properties, degradation behavior and interactions with drugs. The second part of the review evaluates the use of chemically modified HA in the development of advanced biomedical materials including nano- and microparticles, hydrogels and mucoadhesive materials with tailored drug release profiles, site-specific targeting and stimuli-responsive behavior. Thus, the review consolidates the current advances and future perspectives in the field of chemical modification of HA, underscoring its immense potential to drive the development of advanced drug delivery systems and biomaterials with diverse biomedical applications.
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Affiliation(s)
- Anton N Bokatyi
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoi VO 31, St. Petersburg 199004, Russian Federation
| | - Natallia V Dubashynskaya
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoi VO 31, St. Petersburg 199004, Russian Federation
| | - Yury A Skorik
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoi VO 31, St. Petersburg 199004, Russian Federation.
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Martínez-Ramos C, Rodríguez Ruiz A, Monleón Pradas M, Gisbert Roca F. Characterization of a Delivery System Based on a Hyaluronic Acid 3D Scaffold and Gelatin Microparticles. Polymers (Basel) 2024; 16:1748. [PMID: 38932096 PMCID: PMC11207266 DOI: 10.3390/polym16121748] [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: 05/27/2024] [Revised: 06/14/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
The objective of this study was to develop and characterize a novel hyaluronic acid (HA) 3D scaffold integrated with gelatin microparticles for sustained-delivery applications. To achieve this goal, the delivery microparticles were synthesized and thoroughly characterized, focusing on their crosslinking mechanisms (vanillin and genipin), degradation profiles, and release kinetics. Additionally, the cytotoxicity of the system was assessed, and its impact on the cell adhesion and distribution using mouse fibroblasts was examined. The combination of both biomaterials offers a novel platform for the gradual release of various factors encapsulated within the microparticles while simultaneously providing cell protection, support, and controlled factor dispersion due to the HA 3D scaffold matrix. Hence, this system offers a platform for addressing injure repair by continuously releasing specific encapsulated factors for optimal tissue regeneration. Additionally, by leveraging the properties of HA conjugates with small drug molecules, we can enhance the solubility, targeting capabilities, and cellular absorption, as well as prolong the system stability and half-life. As a result, this integrated approach presents a versatile strategy for therapeutic interventions aimed at promoting tissue repair and regeneration.
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Affiliation(s)
- Cristina Martínez-Ramos
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, C. de Vera s/n, 46022 Valencia, Spain; (C.M.-R.); (A.R.R.); (M.M.P.)
- Unitat Predepartamental de Medicina, Universitat Jaume I, 12071 Castellón de la Plana, Spain
| | - Alejandro Rodríguez Ruiz
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, C. de Vera s/n, 46022 Valencia, Spain; (C.M.-R.); (A.R.R.); (M.M.P.)
| | - Manuel Monleón Pradas
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, C. de Vera s/n, 46022 Valencia, Spain; (C.M.-R.); (A.R.R.); (M.M.P.)
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, 28029 Madrid, Spain
| | - Fernando Gisbert Roca
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, C. de Vera s/n, 46022 Valencia, Spain; (C.M.-R.); (A.R.R.); (M.M.P.)
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Gholamali I, Vu TT, Jo SH, Park SH, Lim KT. Exploring the Progress of Hyaluronic Acid Hydrogels: Synthesis, Characteristics, and Wide-Ranging Applications. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2439. [PMID: 38793505 PMCID: PMC11123044 DOI: 10.3390/ma17102439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/30/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
This comprehensive review delves into the world of hyaluronic acid (HA) hydrogels, exploring their creation, characteristics, research methodologies, and uses. HA hydrogels stand out among natural polysaccharides due to their distinct features. Their exceptional biocompatibility makes them a top choice for diverse biomedical purposes, with a great ability to coexist harmoniously with living cells and tissues. Furthermore, their biodegradability permits their gradual breakdown by bodily enzymes, enabling the creation of temporary frameworks for tissue engineering endeavors. Additionally, since HA is a vital component of the extracellular matrix (ECM) in numerous tissues, HA hydrogels can replicate the ECM's structure and functions. This mimicry is pivotal in tissue engineering applications by providing an ideal setting for cellular growth and maturation. Various cross-linking techniques like chemical, physical, enzymatic, and hybrid methods impact the mechanical strength, swelling capacity, and degradation speed of the hydrogels. Assessment tools such as rheological analysis, electron microscopy, spectroscopy, swelling tests, and degradation studies are employed to examine their attributes. HA-based hydrogels feature prominently in tissue engineering, drug distribution, wound recovery, ophthalmology, and cartilage mending. Crafting HA hydrogels enables the production of biomaterials with sought-after qualities, offering avenues for advancements in the realm of biomedicine.
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Affiliation(s)
- Iman Gholamali
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea; (I.G.); (S.-H.J.)
| | - Trung Thang Vu
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, Republic of Korea;
| | - Sung-Han Jo
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea; (I.G.); (S.-H.J.)
| | - Sang-Hyug Park
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea; (I.G.); (S.-H.J.)
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence, Pukyong National University, Busan 48513, Republic of Korea
| | - Kwon Taek Lim
- Institute of Display Semiconductor Technology, Pukyong National University, Busan 48513, Republic of Korea
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Bonetti L, De Nardo L, Farè S. Crosslinking strategies in modulating methylcellulose hydrogel properties. SOFT MATTER 2023; 19:7869-7884. [PMID: 37817578 DOI: 10.1039/d3sm00721a] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
Methylcellulose (MC) hydrogels are ideal materials for the design of thermo-responsive platforms capable of exploiting the environment temperature as a driving force to activate their smart transition. However, MC hydrogels usually show reduced stability in an aqueous environment and low mechanical properties, limiting their applications' breadth. A possible approach intended to overcome these limitations is chemical crosslinking, which represents a simple yet effective strategy to modify the MC hydrogels' properties (e.g., physicochemical, mechanical, and biological). In this regard, understanding the selected crosslinking method's role in modulating the MC hydrogels' properties is a key factor in their design. This review offers a perspective on the main MC chemical crosslinking approaches reported in the literature. Three main categories can be distinguished: (i) small molecule crosslinkers, (ii) crosslinking by high-energy radiation, and (iii) crosslinking via MC chemical modification. The advantages and limitations of each approach are elucidated, and special consideration is paid to the thermo-responsive properties after crosslinking towards the development of MC hydrogels with enhanced physical stability and mechanical performance, preserving the thermo-responsive behavior.
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Affiliation(s)
- Lorenzo Bonetti
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 22, 20133, Milan, Italy.
| | - Luigi De Nardo
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 22, 20133, Milan, Italy.
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
| | - Silvia Farè
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 22, 20133, Milan, Italy.
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
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Sahiner M, Yilmaz AS, Ayyala RS, Sahiner N. Carboxymethyl Chitosan Microgels for Sustained Delivery of Vancomycin and Long-Lasting Antibacterial Effects. Gels 2023; 9:708. [PMID: 37754390 PMCID: PMC10529976 DOI: 10.3390/gels9090708] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/20/2023] [Accepted: 08/28/2023] [Indexed: 09/28/2023] Open
Abstract
Carboxymethyl chitosan (CMCh) is a unique polysaccharide with functional groups that can develop positive and negative charges due to the abundant numbers of amine and carboxylic acid groups. CMCh is widely used in different areas due to its excellent biocompatibility, biodegradability, water solubility, and chelating ability. CMCh microgels were synthesized in a microemulsion environment using divinyl sulfone (DVS) as a crosslinking agent. CMCh microgel with tailored size and zeta potential values were obtained in a single stem by crosslinking CMCh in a water-in-oil environment. The spherical microgel structure is confirmed by SEM analysis. The sizes of CMCh microgels varied from one micrometer to tens of micrometers. The isoelectric point of CMCh microgels was determined as pH 4.4. Biocompatibility of CMCh microgels was verified on L929 fibroblasts with 96.5 ± 1.5% cell viability at 1 mg/mL concentration. The drug-carrying abilities of CMCh microgels were evaluated by loading Vancomycin (Van) antibiotic as a model drug. Furthermore, the antibacterial activity efficiency of Van-loaded CMCh microgels (Van@CMCh) was investigated. The MIC values of the released drug from Van@CMCh microgels were found to be 68.6 and 7.95 µg/mL against E. coli and S. aureus, respectively, at 24 h contact time. Disk diffusion tests confirmed that Van@CMCh microgels, especially for Gram-positive (S. aureus) bacteria, revealed long-lasting inhibitory effects on bacteria growth up to 72 h.
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Affiliation(s)
- Mehtap Sahiner
- Department of Bioengineering, Faculty of Engineering, Canakkale, Onsekiz Mart University Terzioglu Campus, Canakkale 17100, Turkey;
- Department of Chemical, Biological and Materials Engineering, University of South Florida, Tampa, FL 33620, USA;
| | - Aynur S. Yilmaz
- Department of Chemical, Biological and Materials Engineering, University of South Florida, Tampa, FL 33620, USA;
- Department of Chemistry, Faculty of Sciences, and Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University Terzioglu Campus, Canakkale 17100, Turkey
| | - Ramesh S. Ayyala
- Department of Ophthalmology, Morsani College of Medicine, University of South Florida Eye Institute, 12901 Bruce B Down Blvd., MDC 21, Tampa, FL 33612, USA;
| | - Nurettin Sahiner
- Department of Chemical, Biological and Materials Engineering, University of South Florida, Tampa, FL 33620, USA;
- Department of Chemistry, Faculty of Sciences, and Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University Terzioglu Campus, Canakkale 17100, Turkey
- Department of Ophthalmology, Morsani College of Medicine, University of South Florida Eye Institute, 12901 Bruce B Down Blvd., MDC 21, Tampa, FL 33612, USA;
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Zhang C, Cheng Z, Zhou Y, Yu Z, Mai H, Xu C, Zhang J, Wang J. The novel hyaluronic acid granular hydrogel attenuates osteoarthritis progression by inhibiting the TLR-2/NF-κB signaling pathway through suppressing cellular senescence. Bioeng Transl Med 2023; 8:e10475. [PMID: 37206234 PMCID: PMC10189429 DOI: 10.1002/btm2.10475] [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: 08/25/2022] [Revised: 11/22/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022] Open
Abstract
In patients with mild osteoarthritis (OA), two to four monthly injections are required for 6 months due to the degradation of hyaluronic acid (HA) by peroxidative cleavage and hyaluronidase. However, frequent injections may lead to local infection and also cause inconvenience to patients during the COVID-19 pandemic. Herein, we developed a novel HA granular hydrogel (n-HA) with improved degradation resistance. The chemical structure, injectable capability, morphology, rheological properties, biodegradability, and cytocompatibility of the n-HA were investigated. In addition, the effects of the n-HA on the senescence-associated inflammatory responses were studied via flow cytometry, cytochemical staining, Real time quantitative polymerase chain reaction (RT-qPCR), and western blot analysis. Importantly, the treatment outcome of the n-HA with one single injection relative to the commercial HA product with four consecutive injections within one treatment course in an OA mouse model underwent anterior cruciate ligament transection (ACLT) was systematically evaluated. Our developed n-HA exhibited a perfect unification of high crosslink density, good injectability, excellent resistance to enzymatic hydrolysis, satisfactory biocompatibility, and anti-inflammatory responses through a series of in vitro studies. Compared to the commercial HA product with four consecutive injections, a single injection of n-HA contributed to equivalent treatment outcomes in an OA mouse model in terms of histological analysis, radiographic, immunohistological, and molecular analysis results. Furthermore, the amelioration effect of the n-HA on OA development was partially ascribed to the attenuation of chondrocyte senescence, thereby leading to inhibition of TLR-2 expression and then blockade of NF-κB activation. Collectively, the n-HA may be a promising therapeutic alternative to current commercial HA products for OA treatment.
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Affiliation(s)
- Chen Zhang
- School of Biomedical Engineering, Sun Yat‐sen UniversityGuangzhouPeople's Republic of China
| | - Zhengxiang Cheng
- State Key Laboratory of Materials‐Oriented Chemical EngineeringCollege of Chemical Engineering, Nanjing Tech UniversityNanjingPeople's Republic of China
| | - Yuanyuan Zhou
- School of Biomedical Engineering, Sun Yat‐sen UniversityGuangzhouPeople's Republic of China
| | - Ziyi Yu
- State Key Laboratory of Materials‐Oriented Chemical EngineeringCollege of Chemical Engineering, Nanjing Tech UniversityNanjingPeople's Republic of China
| | - Hongyu Mai
- School of Biomedical Engineering, Sun Yat‐sen UniversityGuangzhouPeople's Republic of China
| | - Changhao Xu
- School of Biomedical Engineering, Sun Yat‐sen UniversityGuangzhouPeople's Republic of China
| | - Jing Zhang
- State Key Laboratory of Materials‐Oriented Chemical EngineeringCollege of Chemical Engineering, Nanjing Tech UniversityNanjingPeople's Republic of China
| | - Jiali Wang
- School of Biomedical Engineering, Sun Yat‐sen UniversityGuangzhouPeople's Republic of China
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A Safe-by-Design Approach for the Synthesis of a Novel Cross-Linked Hyaluronic Acid with Improved Biological and Physical Properties. Pharmaceuticals (Basel) 2023; 16:ph16030431. [PMID: 36986530 PMCID: PMC10058433 DOI: 10.3390/ph16030431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023] Open
Abstract
Hyaluronic acid (HA) is a polymer with unique biological properties that has gained in interest over the years, with applications in pharmaceutical, cosmetic, and biomedical fields; however, its widespread use has been limited by its short half-life. Therefore, a new cross-linked hyaluronic acid was designed and characterized using a natural and safe cross-linking agent, such as arginine methyl ester, which provided improved resistance to enzymatic action, as compared to the corresponding linear polymer. The antibacterial profile of the new derivative was shown to be effective against S. aureus and P. acnes, making it a promising candidate for use in cosmetic formulations and skin applications. Its effect on S. pneumoniae, combined with its excellent tolerability profile on lung cells, also makes this new product suitable for applications involving the respiratory tract.
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Zeng MZ, Wei D, Ding J, Tian Y, Wu XY, Chen ZH, Wu CH, Sun J, Yin HB, Fan HS. Dopamine induced multiple bonding in hyaluronic acid network to construct particle-free conductive hydrogel for reliable electro-biosensing. Carbohydr Polym 2023; 302:120403. [PMID: 36604075 DOI: 10.1016/j.carbpol.2022.120403] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/11/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
Conductive hydrogel (CH) as flexible electrophysiology interface has become the new trend of bioelectronics, but still challenging in synergizing the biocompatibility, mechanics and comprehensive electrical performance. Hyaluronic acid (HA), featured with abundant active sites for personalized-modification and well-known biocompatibility, is one of the alterative candidates. The obstacle lies in the unstable conductivity from the ionic conduction, and the electronic conduction by embedding conductive nanoparticles (NPs) is likely to result in inhomogeneous CH with poor stretchability and discontinuous conductive network. Herein, inspired by catechol chemistry, dopamine (DA)-modified HA was homogeneously composited with DA-modified poly (3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS, named PP), to produce particle-free conductive hydrogel (HA-DA-PP). The DA-introduced multiple bondings in HA network and PP molecules brought aqueous conductive PP into HA hydrogel to form a homogeneous crosslinking network, imparted the flexible stretchability. By accurately regulation, HA-DA-PP achieved high stretchability with large tensile deformation (over 470 %) in the category of natural polymer-based hydrogels. Moreover, the interaction between DA and PP (conformational transition and charge transfer) could effectively enhance the hydrogel's conductivity. Consequently, HA-DA-PP hydrogel showed high sensibility to human movement, epidermal and in vivo electrophysiological signals monitoring. Overall, DA-mediated multiple bonding is a powerful strategy for constructing CH with high performance for bioelectronics.
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Affiliation(s)
- Ming-Ze Zeng
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Dan Wei
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Jie Ding
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Yuan Tian
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Xiao-Yang Wu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Zhi-Hong Chen
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Cheng-Heng Wu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China; Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu 610065, Sichuan, China
| | - Jing Sun
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Hua-Bing Yin
- James Watt School of Engineering, University of Glasgow, G12 8LT, UK
| | - Hong-Song Fan
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China.
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Zheng C, Wen D, Xu K, Zhang X, Ren X, Li X. Advances in biomaterials as a retinal patch for the repair of rhegmatogenous retinal detachment. Front Bioeng Biotechnol 2022; 10:997243. [DOI: 10.3389/fbioe.2022.997243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 10/04/2022] [Indexed: 11/13/2022] Open
Abstract
Rhegmatogenous retinal detachment (RRD) is the most common retinological emergency that can cause blindness without surgical treatment. RRD occurs when liquefied vitreous accumulates between the neurosensory retina and the retinal pigment epithelium via retinal breaks, which are caused by the separation of the vitreous from the retina with aging. Currently, the main treatment option is pars plana vitrectomy, which involves surgical removal of the vitreous and laser photocoagulation around retinal breaks to generate firm chorioretinal adhesion, as well as subsequent filling of the vitreous cavity with long-lasting substitutes (expansile gas or silocone oil) to prevent the connection between the subretinal space and the vitreous cavity via the breaks before the chorioretinal adhesion firm enough. However, the postoperative face-down position and the not very satisfactory first retinal reattachment rate place a heavy burden on patients. With the development of technology and materials engineering, researchers have developed biomaterials that can be used as a retinal patch to seal retinal breaks and prevent the connection of subretinal space and vitreous cavity via breaks, thus replacing the long-lasting vitreous substitutes and eliminating the postoperative face-down position. Preclinical studies have demonstrated that biomaterial sealants have enough biocompatibility and efficacy in the in vitro and in vivo experiments. Some sealants have been used in clinical trials on a small scale, and the results indicate promising application prospects of the biomaterial sealants as retinal patches in the repair of RRD. Herein, we review the recent advances in biomaterials as retinal patches for the repair of RRD, focusing on the biomaterial categories, methods, and procedures for sealing retinal breaks, as well as their biocompatibility and efficacy, current limitations, and development perspectives.
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Huang X, Zheng C, Ding K, Li M, Zhang S, Wu B, Wei Q, Lei Y, Wang Y. Hyaluronic Acid-Grafted Bioprosthetic Heart Valves Achieved by Copolymerization Exhibited Improved Anticalcification and Antithrombogenicity. ACS Biomater Sci Eng 2022; 8:3399-3410. [PMID: 35839344 DOI: 10.1021/acsbiomaterials.2c00367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Bioprosthetic heart valves (BHVs) are widely used in clinic, but they still have problems of calcification, thrombogenicity, and cytotoxicity. The reported techniques based on glutaraldehyde (Glut) crosslinking have difficulty in solving these problems simultaneously. In this study, we grafted Glut-crosslinked porcine pericardium (GA) with hyaluronic acid (HA) by radical copolymerization to improve its anticalcification and antithrombotic properties. Partially methacrylated poly-ε-lysine was used to introduce methacryl groups into GA. Then, HA-grafted porcine pericardium (GA-HA) was obtained by radical copolymerization. Rat's subcutaneous implantation results showed that the calcium content of GA-HA was significantly lower than that of GA (37 ± 29 μg/mg vs 188 ± 7 μg/mg), and the platelets adhering to the surface of GA-HA decreased by approximately 41% compared with GA. In conclusion, grafting porcine pericardium with HA by copolymerization might be feasible to improve the anticalcification and antithrombotic properties of BHVs.
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Affiliation(s)
- Xueyu Huang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Cheng Zheng
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Kailei Ding
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Meiling Li
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Shumang Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Binggang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.,Department of Cardiovascular Surgery, West China Hospital, Sichuan University, No. 37 Guoxue Alley, Chengdu 610041 P.R. China
| | - Qingrong Wei
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yang Lei
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China
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13
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Zheng C, Xi H, Wen D, Ke Y, Zhang X, Ren X, Li X. Biocompatibility and Efficacy of a Linearly Cross-Linked Sodium Hyaluronic Acid Hydrogel as a Retinal Patch in Rhegmatogenous Retinal Detachment Repairment. Front Bioeng Biotechnol 2022; 10:914675. [PMID: 35860332 PMCID: PMC9289194 DOI: 10.3389/fbioe.2022.914675] [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: 04/07/2022] [Accepted: 05/25/2022] [Indexed: 11/13/2022] Open
Abstract
To prevent the migration of retinal pigment epithelium (RPE) cells into the vitreous cavity through retinal breaks after the pars plana vitrectomy for the repair of rhegmatogenous retinal detachment (RRD), sealing retinal breaks with an appropriate material appears to be a logical approach. According to a review of ocular experiments or clinical trials, the procedure for covering retinal breaks with adhesives is complex. A commercially available cross-linked sodium hyaluronic acid (HA) hydrogel (Healaflow®) with the injectable property was demonstrated to be a perfect retinal patch in RRD clinical trials by our team. Based on the properties of Healaflow®, a linearly cross-linked sodium HA hydrogel (HA-engineered hydrogel) (Qisheng Biological Preparation Co. Ltd. Shanghai, China) with the injectable property was designed, whose cross-linker and cross-linking method was improved. The purpose of this study is to report the characteristics of an HA-engineered hydrogel using Healaflow® as a reference, and the biocompatibility and efficacy of the HA-engineered hydrogel as a retinal patch in the rabbit RRD model. The HA-engineered hydrogel exhibited similar dynamic viscosity and cohesiveness and G′ compared with Healaflow®. The G′ of the HA-engineered hydrogel varied from 80 to 160 Pa at 2% strain under 25°C, and remained constantly higher than G″ over the range of frequency from 0.1 to 10 Hz. In the animal experiment, clinical examinations, electroretinograms, and histology suggested no adverse effects of the HA-engineered hydrogel on retinal function and morphology, confirming its favorable biocompatibility. Simultaneously, our results demonstrated the efficacy of the HA-engineered hydrogel as a retinal patch in the RRD model of rabbit eyes, which can aid in the complete reattachment of the retina without the need for expansile gas or silicone oil endotamponade. The HA-engineered hydrogel could play the role of an ophthalmologic sealant due to its high viscosity and cohesiveness. This pilot study of a small series of RRD models with a short-term follow-up provides preliminary evidence to support the favorable biocompatibility and efficacy of the HA-engineered hydrogel as a promising retinal patch for sealing retinal breaks in retinal detachment repair. More cases and longer follow-up studies are needed to assess its safety and long-term effects.
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Affiliation(s)
- Chuanzhen Zheng
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Hongwei Xi
- Qisheng Biological Preparation Co., Ltd., Shanghai, China
| | - Dejia Wen
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Yifeng Ke
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Xiaomin Zhang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Xinjun Ren
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
- *Correspondence: Xinjun Ren, ; Xiaorong Li,
| | - Xiaorong Li
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
- *Correspondence: Xinjun Ren, ; Xiaorong Li,
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14
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Huang Y, Yu H, Wang L, Shen D, Ni Z, Ren S, Lu Y, Chen X, Yang J, Hong Y. Research progress on cosmetic microneedle systems: Preparation, property and application. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110942] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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15
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Faivre J, Pigweh AI, Iehl J, Maffert P, Goekjian P, Bourdon F. Crosslinking Hyaluronic Acid Soft-Tissue Fillers: Current Status and Perspectives from an Industrial Point of View. Expert Rev Med Devices 2021; 18:1175-1187. [PMID: 34882503 DOI: 10.1080/17434440.2021.2014320] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Hyaluronan (HA)-based soft-tissue fillers are injectable crosslinked hydrogels aimed to counteract facial skin aging signs via minimally invasive procedures. The crosslinking step is required to drastically improve HA residence time in vivo and provide the gel with specific viscoelastic properties matching the clinical indications. While HA as a raw material and HA fillers are widely studied, little is reported about crosslinkers themselves used in commercial fillers. AREAS COVERED This article introduces the specifications of the ideal crosslinker in HA fillers. The properties of commercially used crosslinkers are reviewed. An up-to-date review of innovative hydrogel fabrication alternatives is conducted, and advantages and drawbacks are discussed. EXPERT OPINION HA fillers are predominantly manufactured using 1,4-butanediol diglycidyl ether (BDDE) which is considered as the gold standard crosslinker worldwide due to its proven and unrivalled clinical track record of more than 20 years. Extensive studies have been published covering BDDE-crosslinked HA fillers' chemistry, gel properties, and clinical effectiveness and safety. However, new hydrogel fabrication strategies have emerged, paving the way for innovative alternatives potentially bringing novel features to HA fillers. Nevertheless, major efforts must still be implemented to assess their safety, efficacy, stability and suitability for industrialization.
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Affiliation(s)
- Jimmy Faivre
- Research and Development Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
| | - Amos I Pigweh
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS-UBCL-CPE UMR 5246 ICBMS, Laboratoire Chimie Organique 2- Glycosciences, F-69622 Villeurbanne Cedex, France
| | - Julien Iehl
- Research and Development Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
| | - Pauline Maffert
- Clinical Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
| | - Peter Goekjian
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS-UBCL-CPE UMR 5246 ICBMS, Laboratoire Chimie Organique 2- Glycosciences, F-69622 Villeurbanne Cedex, France
| | - François Bourdon
- Research and Development Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
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16
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Wang L, Guo X, Chen J, Zhen Z, Cao B, Wan W, Dou Y, Pan H, Xu F, Zhang Z, Wang J, Li D, Guo Q, Jiang Q, Du Y, Yu J, Heng BC, Han Q, Ge Z. Key considerations on the development of biodegradable biomaterials for clinical translation of medical devices: With cartilage repair products as an example. Bioact Mater 2021; 9:332-342. [PMID: 34820574 PMCID: PMC8586440 DOI: 10.1016/j.bioactmat.2021.07.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/08/2021] [Accepted: 07/26/2021] [Indexed: 01/09/2023] Open
Abstract
With the interdisciplinary convergence of biology, medicine and materials science, both research and clinical translation of biomaterials are progressing at a rapid pace. However, there is still a huge gap between applied basic research on biomaterials and their translational products - medical devices, where two significantly different perspectives and mindsets often work independently and non-synergistically, which in turn significantly increases financial costs and research effort. Although this gap is well-known and often criticized in the biopharmaceutical industry, it is gradually widening. In this article, we critically examine the developmental pipeline of biodegradable biomaterials and biomaterial-based medical device products. Then based on clinical needs, market analysis, and relevant regulations, some ideas are proposed to integrate the two different mindsets to guide applied basic research and translation of biomaterial-based products, from the material and technical perspectives. Cartilage repair substitutes are discussed here as an example. Hopefully, this will lay a strong foundation for biomaterial research and clinical translation, while reducing the amount of extra research effort and funding required due to the dissonance between innovative basic research and commercialization pipeline. To elucidate the chain of medical devices development and basic research process. To propose rationales of biomaterial research with mindset of clinical translation. To elaborate with established medical devices for cartilage repairs as examples.
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Affiliation(s)
- Li Wang
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing, PR China
| | - Xiaolei Guo
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, PR China
| | - Jiaqing Chen
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing, PR China
| | - Zhen Zhen
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, PR China
| | - Bin Cao
- Jiangsu DissueTech Medical Technology Co.Ltd
- DeJian Group, Suzhou, PR China
| | - Wenqian Wan
- Jiangsu DissueTech Medical Technology Co.Ltd
- DeJian Group, Suzhou, PR China
| | - Yuandong Dou
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, PR China
| | - Haobo Pan
- Research Center for Human Tissue and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Science, Shenzhen, PR China
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center (BEBC), MOE Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, PR China
| | - Zepu Zhang
- Beijing Institute of Science and Technology Evaluation, Beijing, PR China
| | - Jianmei Wang
- Beijing Institute of Science and Technology Evaluation, Beijing, PR China
| | - Daisong Li
- Beijing Institute of Science and Technology Evaluation, Beijing, PR China
| | - Quanyi Guo
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing, PR China
| | - Qing Jiang
- Department of Sports Medicine and Adult Reconstructive Surgery, State Key Laboratory of Pharmaceutical Biotechnology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing, PR China
| | - Yanan Du
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, PR China
| | - Jiakuo Yu
- Knee Surgery Department of the Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, PR China
| | - Boon Chin Heng
- School of Stomatology, Peking University, Beijing, PR China
| | - Qianqian Han
- National Institutes for Food and Drug Control, Beijing, PR China
| | - Zigang Ge
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing, PR China.,Department of Biomedical Engineering, Institute of Future Technology, Peking University, Beijing, PR China
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17
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Longo R, Avesani A, Dalla Mura G, Dell’Orco D, Manfredini S, Panozzo G. Clinical improvement of ocular surface parameters in dry eye patients following treatment with urea/crosslinked-hyaluronate eyedrops correlates with the secretion of MUC-4. EXPERT REVIEW OF OPHTHALMOLOGY 2021. [DOI: 10.1080/17469899.2021.1999808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Rosa Longo
- Department of Neurosciences, Biomedicine and Movement Sciences, Ophthalmology Unit, University of Verona, Verona, Italy
| | - Anna Avesani
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biological Chemistry, University of Verona, Verona, Italy
| | - Giulia Dalla Mura
- European School of Advanced Studies in Ophthalmology, Lugano, Switzerland
| | - Daniele Dell’Orco
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biological Chemistry, University of Verona, Verona, Italy
| | - Stefano Manfredini
- Department of Life Sciences and Biotechnology, Master Course in Cosmetic Science and Technology (COSMAST), University of Ferrara, Ferrara, Italy
| | - Giacomo Panozzo
- European School of Advanced Studies in Ophthalmology, Lugano, Switzerland
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18
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Bone Regeneration Using MMP-Cleavable Peptides-Based Hydrogels. Gels 2021; 7:gels7040199. [PMID: 34842679 PMCID: PMC8628702 DOI: 10.3390/gels7040199] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/27/2021] [Accepted: 11/03/2021] [Indexed: 12/16/2022] Open
Abstract
Accumulating evidence has suggested the significant potential of chemically modified hydrogels in bone regeneration. Despite the progress of bioactive hydrogels with different materials, structures and loading cargoes, the desires from clinical applications have not been fully validated. Multiple biological behaviors are orchestrated precisely during the bone regeneration process, including bone marrow mesenchymal stem cells (BMSCs) recruitment, osteogenic differentiation, matrix calcification and well-organized remodeling. Since matrix metalloproteinases play critical roles in such bone metabolism processes as BMSC commitment, osteoblast survival, osteoclast activation matrix calcification and microstructure remodeling, matrix metalloproteinase (MMP) cleavable peptides-based hydrogels could respond to various MMP levels and, thus, accelerate bone regeneration. In this review, we focused on the MMP-cleavable peptides, polymers, functional modification and crosslinked reactions. Applications, perspectives and limitations of MMP-cleavable peptides-based hydrogels for bone regeneration were then discussed.
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19
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Hyaluronan and Derivatives: An In Vitro Multilevel Assessment of Their Potential in Viscosupplementation. Polymers (Basel) 2021; 13:polym13193208. [PMID: 34641024 PMCID: PMC8512809 DOI: 10.3390/polym13193208] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/08/2021] [Accepted: 09/12/2021] [Indexed: 12/12/2022] Open
Abstract
In this research work, viscosupplements based on linear, derivatized, crosslinked and complexed HA forms were extensively examined, providing data on the hydrodynamic parameters for the water-soluble-HA-fraction, rheology, sensitivity to enzymatic hydrolysis and capacity to modulate specific biomarkers’ expression in human pathological chondrocytes and synoviocytes. Soluble HA ranged from 0 to 32 mg/mL and from 150 to 1330 kDa MW. The rheological behavior spanned from purely elastic to viscoelastic, suggesting the diversity of the categories that are suitable for restoring specific/different features of the healthy synovial fluid. The rheological parameters were reduced in a diverse manner upon dilution and hyaluronidases action, indicating different durations of the viscosupplementation effect. Bioactivity was found for all the samples, increasing the expression of different matrix markers (e.g., hyaluronan-synthase); however, the hybrid cooperative complexes performed better in most of the experiments. Hybrid cooperative complexes improved COLII mRNA expression (~12-fold increase vs. CTR), proved the most effective at preserving cell phenotype. In addition, in these models, the HA samples reduced inflammation. IL-6 was down-regulated vs. CTR by linear and chemically modified HA, and especially by hybrid complexes. The results represent the first comprehensive panel of data directly comparing the diverse HA forms for intra-articular injections and provide valuable information for tailoring products’ clinical use as well as for designing new, highly performing HA-formulations that can address specific needs.
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20
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Pino P, Ronchetti S, Mollea C, Sangermano M, Onida B, Bosco F. Whey Proteins-Zinc Oxide Bionanocomposite as Antibacterial Films. Pharmaceutics 2021; 13:1426. [PMID: 34575502 PMCID: PMC8466345 DOI: 10.3390/pharmaceutics13091426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/26/2021] [Accepted: 09/02/2021] [Indexed: 11/23/2022] Open
Abstract
The use of toxic crosslinking agents and reagents in the fabrication of hydrogels is a frequent issue which is particularly concerning for biomedical or food packaging applications. In this study, novel antibacterial bionanocomposite films were obtained through a simple solvent casting technique without using any crosslinking substance. Films were made from a flexible and transparent whey protein matrix containing zinc oxide nanoparticles synthesised via a wet chemical precipitation route. The physicochemical and functional properties of the ZnO nanoparticles and of the composite films were characterised, and their antibacterial activity was tested against S. epidermidis and E. coli. The synthesised ZnO nanoparticles had an average size of about 30 nm and a specific surface area of 49.5 m2/g. The swelling ratio of the bionanocomposite films increased at basic pH, which is an appealing feature in relation to the absorption of chronic wound exudate. A n-ZnO concentration-dependent antibacterial effect was observed for composite films. In particular, marked antibacterial activity was observed against S. epidermidis. Overall, these findings suggest that this novel material can be a promising and sustainable alternative in the design of advanced solutions for wound dressing or food packaging.
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Affiliation(s)
| | | | | | | | - Barbara Onida
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (P.P.); (S.R.); (C.M.); (M.S.); (F.B.)
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21
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Pérez LA, Hernández R, Alonso JM, Pérez-González R, Sáez-Martínez V. Hyaluronic Acid Hydrogels Crosslinked in Physiological Conditions: Synthesis and Biomedical Applications. Biomedicines 2021; 9:1113. [PMID: 34572298 PMCID: PMC8466770 DOI: 10.3390/biomedicines9091113] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 12/29/2022] Open
Abstract
Hyaluronic acid (HA) hydrogels display a wide variety of biomedical applications ranging from tissue engineering to drug vehiculization and controlled release. To date, most of the commercially available hyaluronic acid hydrogel formulations are produced under conditions that are not compatible with physiological ones. This review compiles the currently used approaches for the development of hyaluronic acid hydrogels under physiological/mild conditions. These methods include dynamic covalent processes such as boronic ester and Schiff-base formation and click chemistry mediated reactions such as thiol chemistry processes, azide-alkyne, or Diels Alder cycloaddition. Thermoreversible gelation of HA hydrogels at physiological temperature is also discussed. Finally, the most outstanding biomedical applications are indicated for each of the HA hydrogel generation approaches.
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Affiliation(s)
- Luis Andrés Pérez
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), c/Juan de la Cierva, 3, 28006 Madrid, Spain;
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
| | - Rebeca Hernández
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), c/Juan de la Cierva, 3, 28006 Madrid, Spain;
| | - José María Alonso
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
| | - Raúl Pérez-González
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
| | - Virginia Sáez-Martínez
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
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22
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Wang F, Chen J, Liu J, Zeng H. Cancer theranostic platforms based on injectable polymer hydrogels. Biomater Sci 2021; 9:3543-3575. [PMID: 33634800 DOI: 10.1039/d0bm02149k] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Theranostic platforms that combine therapy with diagnosis not only prevent the undesirable biological responses that may occur when these processes are conducted separately, but also allow individualized therapies for patients. Polymer hydrogels have been employed to provide well-controlled drug release and targeted therapy in theranostics, where injectable hydrogels enable non-invasive treatment and monitoring with a single injection, offering greater patient comfort and efficient therapy. Efforts have been focused on applying injectable polymer hydrogels in theranostic research and clinical use. This review highlights recent progress in the design of injectable polymer hydrogels for cancer theranostics, particularly focusing on the elements/components of theranostic hydrogels, and their cross-linking strategies, structures, and performance with regard to drug delivery/tracking. Therapeutic agents and tracking modalities that are essential components of the theranostic platforms are introduced, and the design strategies, properties and applications of the injectable hydrogels developed via two approaches, namely chemical bonds and physical interactions, are described. The theranostic functions of the platforms are highly dependent on the architecture and components employed for the construction of hydrogels. Challenges currently presented by theranostic platforms based on injectable hydrogels are identified, and prospects of acquiring more comfortable and personalized therapies are proposed.
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Affiliation(s)
- Feifei Wang
- The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510700, China. and Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
| | - Jingsi Chen
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
| | - Jifang Liu
- The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510700, China.
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
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23
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Riveiro A, Amorim S, Solanki A, Costa DS, Pires RA, Quintero F, Del Val J, Comesaña R, Badaoui A, Lusquiños F, Maçon ALB, Tallia F, Jones JR, Reis RL, Pou J. Hyaluronic acid hydrogels reinforced with laser spun bioactive glass micro- and nanofibres doped with lithium. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 126:112124. [PMID: 34082941 DOI: 10.1016/j.msec.2021.112124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/07/2021] [Accepted: 04/18/2021] [Indexed: 11/17/2022]
Abstract
The repair of articular cartilage lesions in weight-bearing joints remains as a significant challenge due to the low regenerative capacity of this tissue. Hydrogels are candidates to repair lesions as they have similar properties to cartilage extracellular matrix but they are unable to meet the mechanical and biological requirements for a successful outcome. Here, we reinforce hyaluronic acid (HA) hydrogels with 13-93-lithium bioactive glass micro- and nanofibres produced by laser spinning. The glass fibres are a reinforcement filler and a platform for the delivery of therapeutic lithium-ions. The elastic modulus of the composites is more than three times higher than in HA hydrogels. Modelling of the reinforcement corroborates the experimental results. ATDC5 chondrogenic cells seeded on the composites are viable and more proliferation occurs on the hydrogels containing fibres than in HA hydrogels alone. Furthermore, the chondrogenic behavior on HA constructs with fibres containing lithium is more marked than in hydrogels with no-lithium fibres.
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Affiliation(s)
- Antonio Riveiro
- Materials Engineering, Applied Mechanics and Construction Dpt., University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain.
| | - Sara Amorim
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães 4805-017, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal
| | - Anu Solanki
- Department of Materials, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Diana S Costa
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães 4805-017, Portugal
| | - Ricardo A Pires
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães 4805-017, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal
| | - Félix Quintero
- Applied Physics Department, University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain
| | - Jesús Del Val
- Applied Physics Department, University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain
| | - Rafael Comesaña
- Materials Engineering, Applied Mechanics and Construction Dpt., University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain
| | - Aida Badaoui
- Materials Engineering, Applied Mechanics and Construction Dpt., University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain
| | - Fernando Lusquiños
- Applied Physics Department, University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain
| | - Anthony L B Maçon
- Department of Materials, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Francesca Tallia
- Department of Materials, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Julian R Jones
- Department of Materials, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães 4805-017, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal
| | - Juan Pou
- Applied Physics Department, University of Vigo, EEI, Lagoas-Marcosende, Vigo 36310, Spain
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Bora PJ, Anil AG, Ramamurthy PC, Lee YH. Chemically Room Temperature Crosslinked Polyvinyl Alcohol (PVA) with Anomalous Microwave Absorption Characteristics. Macromol Rapid Commun 2021; 42:e2000763. [PMID: 33864302 DOI: 10.1002/marc.202000763] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/05/2021] [Indexed: 11/11/2022]
Abstract
Polyvinyl alcohol (PVA) is a great interest polymer due to its excellent film-forming, emulsifying, microwave dielectrics and adhesive properties. However, PVA is a water-soluble synthetic polymer making it susceptible to environmental factors. In this work, PVA is crosslinked at room temperature using divinyl sulfone (DVS) as a crosslinker, and the obtained crosslinked PVA (XPVA) is water-insoluble. Crosslinking mechanism is proposed, thermal and microwave dielectric properties of X-PVA are studied. The studies revealed that X-PVA has better thermal stability and microwave absorption properties. The obtained minimum reflection loss (RL) of X-PVA is -23 dB (filler-free) with entire X-band (8.2-12.4 GHz) absorption bandwidth (RL ≤ -10 dB), indicating excellent microwave absorption properties. Artificial neural network (ANN) predicted RL of X-PVA also matched well with the experimental data. Electromagnetic power simulation suggests that the microwave power absorption density due to the dielectric loss is intrinsically predominant in X-PVA compared to the pristine PVA. Further, the ratio of electromagnetic energy to heat energy conversion power (absorption) of X-PVA is much higher than pristine PVA, indicating the suitability for self-powered devices. X-PVA also fulfils many commercial requirements such as bulk level facile synthesis, large area fabrications, ultralight, and inexpensive.
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Affiliation(s)
- Pritom J Bora
- School of Electrical and Electronics Engineering, Nanyang Technological University, 50 Nanyang Ave, Singapore, 639798, Singapore
| | - Amith G Anil
- Department of Materials Engineering, Indian Institute of Science (IISc), Bangalore, 560012, India
| | - Praveen C Ramamurthy
- Department of Materials Engineering, Indian Institute of Science (IISc), Bangalore, 560012, India
| | - Yee Hui Lee
- School of Electrical and Electronics Engineering, Nanyang Technological University, 50 Nanyang Ave, Singapore, 639798, Singapore
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Harrer D, Sanchez Armengol E, Friedl JD, Jalil A, Jelkmann M, Leichner C, Laffleur F. Is hyaluronic acid the perfect excipient for the pharmaceutical need? Int J Pharm 2021; 601:120589. [PMID: 33845151 DOI: 10.1016/j.ijpharm.2021.120589] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/31/2021] [Accepted: 04/05/2021] [Indexed: 02/08/2023]
Abstract
Hyaluronic acid has become an interesting and important polymer as an excipient for pharmaceutical products due to its beneficial properties, like solubility, biocompatibility and biodegradation. To improve the properties of hyaluronic acid, different possibilities for chemical modifications are presented, and the opportunities as novel systems for drug delivery are discussed. This review gives an overview over the production of hyaluronic acid, the possibilities of its chemical modification and the current state of in vitro and in vivo research. Furthermore, market approved and commercially available products are reviewed and derivatives undergoing clinical trials and applying for market approval are shown. In particular, hyaluronic acid has been studied for different administrations in rheumatology, ophthalmology, local anesthetics, cancer treatment and bioengineering of tissues. The present work concludes with perspectives for future administration of pharmaceuticals based on hyaluronic acid.
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Affiliation(s)
- Daniela Harrer
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Eva Sanchez Armengol
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Julian D Friedl
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Aamir Jalil
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Max Jelkmann
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Christina Leichner
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Flavia Laffleur
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria.
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26
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Jeong CH, Kim DH, Yune JH, Kwon HC, Shin DM, Sohn H, Lee KH, Choi B, Kim ES, Kang JH, Kim EK, Han SG. In vitro toxicity assessment of crosslinking agents used in hyaluronic acid dermal filler. Toxicol In Vitro 2021; 70:105034. [DOI: 10.1016/j.tiv.2020.105034] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/07/2020] [Accepted: 10/18/2020] [Indexed: 10/23/2022]
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27
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Trujillo S, Vega SL, Song KH, San Félix A, Dalby MJ, Burdick JA, Salmeron‐Sanchez M. Engineered Full-Length Fibronectin-Hyaluronic Acid Hydrogels for Stem Cell Engineering. Adv Healthc Mater 2020; 9:e2000989. [PMID: 33002348 DOI: 10.1002/adhm.202000989] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 09/04/2020] [Indexed: 11/09/2022]
Abstract
Mechanical cues induce a variety of downstream effects on cells, including the regulation of stem cell behavior. Cell fate is typically characterized on biomaterial substrates where mechanical and chemical properties can be precisely tuned; however, most of these substrates do not recapitulate the biological complexity of the extracellular matrix (ECM). Here, hydrogels are engineered for mechanobiological studies using two major components of the ECM: hyaluronic acid (HA) and fibronectin (FN). Rather than typical surface chemisorption of FN to substrates, the system contains full-length FN covalently crosslinked to HA throughout the hydrogel. The control over the mechanical properties of the hydrogel independent of the concentration of FN and the ability to culture viable cells either on top or encapsulated within the hydrogels are shown. Interestingly, human mesenchymal stem cells (MSCs) experience an increase in nuclear translocation of the yes-associated protein (YAP) to the nucleus when cultured on (2D) substrates with increasing amounts of FN while maintaining constant hydrogel stiffness. However, this FN dependence on nuclear YAP translocation is not observed for MSCs encapsulated in (3D) hydrogels. This work develops complex hydrogels that recapitulate features of the ECM for the control of stem cells in both 2D and 3D environments.
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Affiliation(s)
- Sara Trujillo
- Centre for the Cellular Microenvironment University of Glasgow Glasgow G12 8LT UK
| | - Sebastián L. Vega
- Department of Biomedical Engineering Rowan University Glassboro NJ 08028 USA
| | - Kwang Hoon Song
- Division of Bioengineering Incheon National University Incheon 22012 Korea
| | - Ana San Félix
- Centre for the Cellular Microenvironment University of Glasgow Glasgow G12 8LT UK
| | - Matthew J. Dalby
- Centre for the Cellular Microenvironment University of Glasgow Glasgow G12 8LT UK
| | - Jason A. Burdick
- Department of Bioengineering University of Pennsylvania Philadelphia PA 19104 USA
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28
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Hinsenkamp A, Ézsiás B, Pál É, Hricisák L, Fülöp Á, Besztercei B, Somkuti J, Smeller L, Pinke B, Kardos D, Simon M, Lacza Z, Hornyák I. Crosslinked Hyaluronic Acid Gels with Blood-Derived Protein Components for Soft Tissue Regeneration. Tissue Eng Part A 2020; 27:806-820. [PMID: 32854588 DOI: 10.1089/ten.tea.2020.0197] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Hyaluronic acid (HA) is an ideal initial material for preparing hydrogels, which may be used as scaffolds in soft tissue engineering based on their advantageous physical and biological properties. In this study, two crosslinking agents, divinyl sulfone (DVS) and butanediol diglycidyl ether, were used to investigate their effect on the properties of HA hydrogels. As HA hydrogels alone do not promote cell adhesion on the scaffold, fibrin and serum from platelet-rich fibrin (SPRF) were combined with the scaffold; the aim was to create a material intended to be used as soft tissue implant that facilitates new tissue formation, and degrades over time. The chemical changes were characterized and cell attachment capacity of the protein-containing gels was examined using human mesenchymal stem cells, and viability was assessed using live-dead staining. Fourier-transform infrared measurements revealed that linking fibrin into the gel was more effective than linking SPRF. The scaffolds were found to be able to support cell adherence onto the hydrogels, and the best result was achieved when HA was crosslinked with DVS and contained fibrin. The most promising derivative, 5% DVS-crosslinked fibrin-containing hydrogel, was injected subcutaneously into C57BL/6 mice for 12 weeks. The scaffold was proven to be biocompatible, remodeling, and vascularization occurred, while shape and integrity were maintained. Impact statement Fibrin was combined with crosslinked hyaluronic acid (HA) for regenerative application, the structure of the combination of crosslinked HA with blood-derived protein was analyzed and effective coating was proven. It was observed that the fibrin content led to better mesenchymal stem cell attachment in vitro. The compositions showed biocompatibility, connective tissue and vascularization took place when implanted in vivo. Thus, a biocompatible, injectable gel was produced, which is a potential candidate for soft tissue implantation.
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Affiliation(s)
- Adél Hinsenkamp
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Bence Ézsiás
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Éva Pál
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - László Hricisák
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Ágnes Fülöp
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Balázs Besztercei
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Judit Somkuti
- Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - László Smeller
- Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - Balázs Pinke
- Department of Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, Hungary
| | - Dorottya Kardos
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Melinda Simon
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Zsombor Lacza
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary.,Orthosera GmbH, Krems an der Donau, Austria.,Institute of Sport and Health Sciences, University of Physical Education, Budapest, Hungary
| | - István Hornyák
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary.,Orthosera GmbH, Krems an der Donau, Austria
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29
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A new heterofunctional support for enzyme immobilization: PEI functionalized Fe3O4 MNPs activated with divinyl sulfone. Application in the immobilization of lipase from Thermomyces lanuginosus. Enzyme Microb Technol 2020; 138:109560. [DOI: 10.1016/j.enzmictec.2020.109560] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/06/2020] [Accepted: 03/29/2020] [Indexed: 12/15/2022]
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30
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Petta D, D'Amora U, Ambrosio L, Grijpma DW, Eglin D, D'Este M. Hyaluronic acid as a bioink for extrusion-based 3D printing. Biofabrication 2020; 12:032001. [PMID: 32259809 DOI: 10.1088/1758-5090/ab8752] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Biofabrication is enriching the tissue engineering field with new ways of producing structurally organized complex tissues. Among the numerous bioinks under investigation, hyaluronic acid (HA) and its derivatives stand out for their biological relevance, cytocompatibility, shear-thinning properties, and potential to fine-tune the desired properties with chemical modification. In this paper, we review the recent advances on bioinks containing HA. The available literature is presented based on subjects including the rheological properties in connection with printability, the chemical strategies for endowing HA with the desired properties, the clinical application, the most advanced preclinical studies, the advantages and limitations in comparison with similar biopolymer-based bioinks, and future perspectives.
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Affiliation(s)
- D Petta
- AO Research Institute Davos, Davos Platz, Switzerland. Department of Biomaterials Science and Technology, University of Twente, Enschede, The Netherlands
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31
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Murphy AR, Truong YB, O'Brien CM, Glattauer V. Bio-inspired human in vitro outer retinal models: Bruch's membrane and its cellular interactions. Acta Biomater 2020; 104:1-16. [PMID: 31945506 DOI: 10.1016/j.actbio.2020.01.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/07/2020] [Accepted: 01/09/2020] [Indexed: 12/17/2022]
Abstract
Retinal degenerative disorders, such as age-related macular degeneration (AMD), are one of the leading causes of blindness worldwide, however, treatments to completely stop the progression of these debilitating conditions are non-existent. Researchers require sophisticated models that can accurately represent the native structure of human retinal tissue to study these disorders. Current in vitro models used to study the retina are limited in their ability to fully recapitulate the structure and function of the retina, Bruch's membrane and the underlying choroid. Recent developments in the field of induced pluripotent stem cell technology has demonstrated the capability of retinal pigment epithelial cells to recapitulate AMD-like pathology. However, such studies utilise unsophisticated, bio-inert membranes to act as Bruch's membrane and support iPSC-derived retinal cells. This review presents a concise summary of the properties and function of the Bruch's membrane-retinal pigment epithelium complex, the initial pathogenic site of AMD as well as the current status for materials and fabrication approaches used to generate in vitro models of this complex tissue. Finally, this review explores required advances in the field of in vitro retinal modelling. STATEMENT OF SIGNIFICANCE: Retinal degenerative disorders such as age-related macular degeneration are worldwide leading causes of blindness. Previous attempts to model the Bruch's membrane-retinal pigment epithelial complex, the initial pathogenic site of age-related macular degeneration, have lacked the sophistication to elucidate valuable insights into disease mechanisms. Here we provide a detailed account of the morphological, physical and chemical properties of Bruch's membrane which may aid the fabrication of more sophisticated and physiologically accurate in vitro models of the retina, as well as various fabrication techniques to recreate this structure. This review also further highlights some recent advances in some additional challenging aspects of retinal tissue modelling including integrated fluid flow and photoreceptor alignment.
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Affiliation(s)
- Ashley R Murphy
- CSIRO Manufacturing, Research Way, Clayton, VIC 3168, Australia.
| | - Yen B Truong
- CSIRO Manufacturing, Research Way, Clayton, VIC 3168, Australia
| | - Carmel M O'Brien
- CSIRO Manufacturing, Research Way, Clayton, VIC 3168, Australia; Australian Regenerative Medicine Institute, Science, Technology, Research and Innovation Precinct (STRIP), Monash University, Clayton Campus, Wellington Road, Clayton, VIC 3800, Australia
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32
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Maiz-Fernández S, Pérez-Álvarez L, Ruiz-Rubio L, Pérez González R, Sáez-Martínez V, Ruiz Pérez J, Vilas-Vilela JL. Synthesis and Characterization of Covalently Crosslinked pH-Responsive Hyaluronic Acid Nanogels: Effect of Synthesis Parameters. Polymers (Basel) 2019; 11:E742. [PMID: 31022975 PMCID: PMC6523595 DOI: 10.3390/polym11040742] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 04/09/2019] [Accepted: 04/16/2019] [Indexed: 11/29/2022] Open
Abstract
Stable hyaluronic acid nanogels were obtained following the water-in-oil microemulsion method by covalent crosslinking with three biocompatible crosslinking agents: Divinyl sulfone, 1,4-butanediol diglycidyl ether (BDDE), and poly(ethylene glycol) bis(amine). All nanoparticles showed a pH-sensitive swelling behavior, according to the pKa value of hyaluronic acid, as a consequence of the ionization of the carboxylic moieties, as it was corroborated by zeta potential measurements. QELS studies were carried out to study the influence of the chemical structure of the crosslinking agents on the particle size of the obtained nanogels. In addition, the effect of the molecular weight of the biopolymer and the degree of crosslinking on the nanogels dimensions was also evaluated for BDDE crosslinked nanoparticles, which showed the highest pH-responsive response.
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Affiliation(s)
- Sheila Maiz-Fernández
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country, UPV/EHU, Barrio Sarriena, s/n 48940 Leioa, Spain.
| | - Leyre Pérez-Álvarez
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country, UPV/EHU, Barrio Sarriena, s/n 48940 Leioa, Spain.
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain.
| | - Leire Ruiz-Rubio
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country, UPV/EHU, Barrio Sarriena, s/n 48940 Leioa, Spain.
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain.
| | - Raúl Pérez González
- i+Med S. Coop. Parque Tecnológico de Alava. Albert Einstein 15, nave 15. 01510 Miñano, Álava, Spain.
| | - Virginia Sáez-Martínez
- i+Med S. Coop. Parque Tecnológico de Alava. Albert Einstein 15, nave 15. 01510 Miñano, Álava, Spain.
| | - Jesica Ruiz Pérez
- i+Med S. Coop. Parque Tecnológico de Alava. Albert Einstein 15, nave 15. 01510 Miñano, Álava, Spain.
| | - José Luis Vilas-Vilela
- Macromolecular Chemistry Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country, UPV/EHU, Barrio Sarriena, s/n 48940 Leioa, Spain.
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain.
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Tiwari S, Bahadur P. Modified hyaluronic acid based materials for biomedical applications. Int J Biol Macromol 2019; 121:556-571. [DOI: 10.1016/j.ijbiomac.2018.10.049] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/02/2018] [Accepted: 10/11/2018] [Indexed: 12/22/2022]
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Raghupathi K, Skinner M, Chang G, Crawley C, Yoshida-Moriguchi T, Pipenhagen P, Zhu Y, Avila LZ, Miller RJ, Dhal PK. Hyaluronic Acid Microgels as Intracellular Endosomolysis Reagents. ACS Biomater Sci Eng 2018; 4:558-565. [DOI: 10.1021/acsbiomaterials.7b00966] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Kishore Raghupathi
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Matthew Skinner
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Grace Chang
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Cristin Crawley
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | | | - Peter Pipenhagen
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Yunxiang Zhu
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Luis Z. Avila
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Robert J. Miller
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Pradeep K. Dhal
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
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35
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Pérez-Garnes M, Monleón-Pradas M. Poly(methacrylated hyaluronan-co-ethyl acrylate) copolymer networks with tunable properties and enzymatic degradation. Polym Degrad Stab 2017. [DOI: 10.1016/j.polymdegradstab.2017.08.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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36
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Mantione D, Del Agua I, Schaafsma W, ElMahmoudy M, Uguz I, Sanchez-Sanchez A, Sardon H, Castro B, Malliaras GG, Mecerreyes D. Low-Temperature Cross-Linking of PEDOT:PSS Films Using Divinylsulfone. ACS APPLIED MATERIALS & INTERFACES 2017; 9:18254-18262. [PMID: 28485142 DOI: 10.1021/acsami.7b02296] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Recent interest in bioelectronics has prompted the exploration of properties of conducting polymer films at the interface with biological milieus. Poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) from a commercially available source has been used as a model system for these studies. Different cross-linking schemes have been used to stabilize films of this material against delamination and redispersion, but the cost is a decrease in the electrical conductivity and/or additional heat treatment. Here we introduce divinylsulfone (DVS) as a new cross-linker for PEDOT:PSS. Thanks to the higher reactiveness of the vinyl groups of DVS, the cross-linking can be performed at room temperature. In addition, DVS does not reduce electronic conductivity of PEDOT:PSS but rather increases it by acting as a secondary dopant. Cell culture studies show that PEDOT:PSS:DVS films are cytocompatible and support neuroregeneration. As an example, we showed that this material improved the transconductance value and stability of an organic electrochemical transistor (OECT) device. These results open the way for the utilization of DVS as an effective cross-linker for PEDOT:PSS in bioelectronics applications.
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Affiliation(s)
- Daniele Mantione
- POLYMAT University of the Basque Country UPV/EHU , Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Spain
| | - Isabel Del Agua
- POLYMAT University of the Basque Country UPV/EHU , Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Spain
- Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC , 13541 Gardanne, France
| | - Wandert Schaafsma
- Histocell, S.L., Science and Technology , Derio, 48160 Vizcaya Spain
| | - Mohammed ElMahmoudy
- Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC , 13541 Gardanne, France
| | - Ilke Uguz
- Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC , 13541 Gardanne, France
| | - Ana Sanchez-Sanchez
- POLYMAT University of the Basque Country UPV/EHU , Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Spain
| | - Haritz Sardon
- POLYMAT University of the Basque Country UPV/EHU , Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Spain
- Ikerbasque, Basque Foundation for Science , E-48011 Bilbao, Spain
| | - Begoña Castro
- Histocell, S.L., Science and Technology , Derio, 48160 Vizcaya Spain
| | - George G Malliaras
- Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC , 13541 Gardanne, France
| | - David Mecerreyes
- POLYMAT University of the Basque Country UPV/EHU , Joxe Mari Korta Center, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Spain
- Ikerbasque, Basque Foundation for Science , E-48011 Bilbao, Spain
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Chitosan- g -poly( N -isopropylacrylamide) copolymers as delivery carriers for intracameral pilocarpine administration. Eur J Pharm Biopharm 2017; 113:140-148. [DOI: 10.1016/j.ejpb.2016.11.038] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 11/27/2016] [Accepted: 11/30/2016] [Indexed: 12/26/2022]
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Ocular biocompatibility of gelatin microcarriers functionalized with oxidized hyaluronic acid. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 72:150-159. [DOI: 10.1016/j.msec.2016.11.067] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 10/26/2016] [Accepted: 11/17/2016] [Indexed: 11/21/2022]
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Chou SF, Luo LJ, Lai JY, Ma DHK. Role of solvent-mediated carbodiimide cross-linking in fabrication of electrospun gelatin nanofibrous membranes as ophthalmic biomaterials. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 71:1145-1155. [PMID: 27987671 DOI: 10.1016/j.msec.2016.11.105] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 11/18/2016] [Accepted: 11/24/2016] [Indexed: 02/04/2023]
Abstract
Due to their ability to mimic the structure of extracellular matrix, electrospun gelatin nanofibers are promising cell scaffolding materials for tissue engineering applications. However, the hydrophilic gelatin molecules usually need stabilization before use in aqueous physiological environment. Considering that biomaterials cross-linked via film immersion technique may have a more homogeneous cross-linked structure than vapor phase cross-linking, this work aims to investigate the chemical modification of electrospun gelatin nanofibrous membranes by liquid phase carbodiimide in the presence of ethanol/water co-solvents with varying ethanol concentrations ranging from 80 to 99.5vol%. The results of characterization showed that increasing water content in the binary reaction solvent system increases the extent of cross-linking of gelatin nanofibers, but simultaneously promotes the effect of biopolymer swelling and distortion in fiber mat structure. As compared to non-cross-linked counterparts, carbodiimide treated gelatin nanofibrous mats exhibited better thermal and biological stability where the shrinkage temperature and resistance to enzymatic degradation varied in response to ethanol/water solvent composition-mediated generation of cross-links. Irrespective of their cross-linking density, all studied membrane samples did not induce any responses in ocular epithelial cell cultures derived from cornea, lens, and retina. Unlike many other cross-linking agents and/or methods (e.g., excessive vapor phase cross-linking) that may pose a risk of toxicity, our study demonstrated that these nanofibrous materials are well tolerated by anterior segment tissues. These findings also indicate the safety of using ethanol/water co-solvents for chemical cross-linking of gelatin to engineer nanofibrous materials with negligible biological effects. In summary, the present results suggest the importance of solvent-mediated carbodiimide cross-linking in modulating structure-property relationship without compromising in vitro and in vivo biocompatibility of electrospun gelatin nanofibers for future ophthalmic applications.
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Affiliation(s)
- Shih-Feng Chou
- Department of Mechanical Engineering, University of Texas at Tyler, Tyler, TX 75799, USA
| | - Li-Jyuan Luo
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 33302, Taiwan, ROC
| | - Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan, ROC; Biomedical Engineering Research Center, Chang Gung University, Taoyuan 33302, Taiwan, ROC; Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan, ROC.
| | - David Hui-Kang Ma
- Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Chinese Medicine, Chang Gung University, Taoyuan 33302, Taiwan, ROC
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Study of the effect of mixing approach on cross-linking efficiency of hyaluronic acid-based hydrogel cross-linked with 1,4-butanediol diglycidyl ether. Eur J Pharm Sci 2016; 91:131-7. [DOI: 10.1016/j.ejps.2016.06.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 05/23/2016] [Accepted: 06/11/2016] [Indexed: 11/23/2022]
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Chou SF, Luo LJ, Lai JY. Gallic acid grafting effect on delivery performance and antiglaucoma efficacy of antioxidant-functionalized intracameral pilocarpine carriers. Acta Biomater 2016; 38:116-28. [PMID: 27130273 DOI: 10.1016/j.actbio.2016.04.035] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Revised: 04/21/2016] [Accepted: 04/25/2016] [Indexed: 01/27/2023]
Abstract
UNLABELLED Functionalization of therapeutic carrier biomaterials can potentially provide additional benefits in drug delivery for disease treatment. Given that this modification determines final therapeutic efficacy of drug carriers, here, we investigate systematically the role of grafting amount of antioxidant gallic acid (GA) onto GN in situ gelling copolymers made of biodegradable gelatin and thermo-responsive poly(N-isopropylacrylamide) for intracameral delivery of pilocarpine in antiglaucoma treatment. As expected, increasing redox reaction time increased total antioxidant activities and free radical scavenging abilities of synthesized carrier biomaterials. The hydrophilic nature of antioxidant molecules strongly affected physicochemical properties of carrier materials with varying GA grafting amounts, thereby dictating in vitro release behaviors and mechanisms of pilocarpine. In vitro oxidative stress challenges revealed that biocompatible carriers with high GA content alleviated lens epithelial cell damage and reduced reactive oxygen species. Intraocular pressure and pupil diameter in glaucomatous rabbits showed correlations with GA-mediated release of pilocarpine. Additionally, enhanced pharmacological treatment effects prevented corneal endothelial cell loss during disease progression. Increasing GA content increased total antioxidant level and decreased nitrite level in the aqueous humor, suggesting a much improved antioxidant status in glaucomatous eyes. This work significantly highlights the dependence of physicochemical properties, drug release behaviors, and bioactivities on intrinsic antioxidant capacities of therapeutic carrier biomaterials for glaucoma treatment. STATEMENT OF SIGNIFICANCE Development of injectable biodegradable polymer depots and functionalization of carrier biomaterials with antioxidant can potentially provide benefits such as improved bioavailability, controlled release pattern, and increased therapeutic effect in intracameral pilocarpine administration for glaucoma treatment. For the first time, this study demonstrated that the biodegradable in situ gelling copolymers can incorporate different levels of antioxidant gallic acid to tailor the structure-property-function relationship of the intracameral drug delivery system. The systematic evaluation fully verified the dependence of phase transition, degradation behavior, drug release mechanism, and antiglaucoma efficacy on intrinsic antioxidant capacities of carrier biomaterials. The report highlights the significant role of grafting amount of gallic acid in optimizing performance of antioxidant-functionalized polymer therapeutics as new drug delivery platforms in disease treatment.
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Chou SF, Luo LJ, Lai JY, Ma DHK. On the importance of Bloom number of gelatin to the development of biodegradable in situ gelling copolymers for intracameral drug delivery. Int J Pharm 2016; 511:30-43. [PMID: 27374201 DOI: 10.1016/j.ijpharm.2016.06.129] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 06/14/2016] [Accepted: 06/29/2016] [Indexed: 01/27/2023]
Abstract
To overcome the drawbacks associated with conventional antiglaucoma eye drops, this work demonstrated the feasibility of an effective alternative strategy to administer pilocarpine directly via intracameral injections of drug-containing biodegradable in situ gelling GN copolymers composed of gelatin and poly(N-isopropylacrylamide). Specifically, this study aims to understand the importance of Bloom number of gelatin, a physicochemical parameter, to the development of GN carriers for intracameral drug delivery in glaucoma therapy. Our results showed that both imino acid and triple-helix contents increased with increasing Bloom index from 75-100 to 300. The drug encapsulation efficiency in response to temperature-triggered phase transition in GN copolymers was affected by the Bloom index of gelatin. In addition, the differences in protein secondary structure significantly influenced the degradation rates of GN carriers, which were highly correlated with drug release profiles. The increase in released pilocarpine concentration led to a high intracellular calcium level in rabbit ciliary smooth muscle cell cultures, indicating a beneficial pharmacological response to a drug. Irrespective of Bloom number of gelatin, all carrier materials exhibited excellent in vitro and in vivo biocompatibility with corneal endothelium. In a glaucomatous rabbit model, intracameral injections of pilocarpine-containing GN synthesized from gelatins with various Bloom numbers had different abilities to improve ocular hypertension and induce pupillary constriction, indicating distinct antiglaucoma efficacies due to in vivo drug release. It is concluded that the effects on pharmacological treatment using GN carriers for intracameral pilocarpine administration demonstrate a strong dependence on the Bloom number of gelatin.
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Affiliation(s)
- Shih-Feng Chou
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan, ROC; Department of Bioengineering, University of Washington, Seattle, WA 98195-5061, USA
| | - Li-Jyuan Luo
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 33302, Taiwan, ROC
| | - Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan, 33302, Taiwan, ROC; Biomedical Engineering Research Center, Chang Gung University, Taoyuan 33302, Taiwan, ROC; Molecular Medicine Research Center, Chang Gung University, Taoyuan 33302, Taiwan, ROC; Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC.
| | - David Hui-Kang Ma
- Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan, ROC; Department of Chinese Medicine, Chang Gung University, Taoyuan 33302, Taiwan, ROC
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Mondal S, Haridas N, Letha SS, Vijith V, Rajmohan G, Rosemary MJ. Development of injectable high molecular weight hyaluronic acid hydrogels for cartilage regeneration. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2016. [DOI: 10.1080/10601325.2016.1189284] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sun CC, Chou SF, Lai JY, Cho CH, Lee CH. Dependence of corneal keratocyte adhesion, spreading, and integrin β1 expression on deacetylated chitosan coating. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:222-30. [DOI: 10.1016/j.msec.2016.02.069] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 02/13/2016] [Accepted: 02/23/2016] [Indexed: 12/26/2022]
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Fujii S, McCarthy TJ. Sulfone-Containing Methacrylate Homopolymers: Wetting and Thermal Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:765-771. [PMID: 26716766 DOI: 10.1021/acs.langmuir.5b04265] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Although the sulfonyl functional group has a large dipole moment and compounds containing them (sulfones) have correspondingly high dielectric constants, this chemical structure has been neglected for use as a functional group to render surfaces hydrophilic. We have prepared three methacrylate polymers containing side chains capped with sulfolane, methylsulfone, and ethylsulfone functionality. The sulfolane-containing polymer exhibits an unusually high glass transition temperature (Tg = 188°C) for a methacrylate polymer and slightly different thermal degradation behavior than the other two sulfone-containing polymers, likely due to the bulky structure of the sulfolane group in the polymer side chain. At macroscopic polymer film/water interfaces, the sulfone-containing side chains exposed to the interface impart hydrophilic properties as assessed by contact angle analysis. The hydrophilicities of sulfolane and methylsulfone surfaces are similar, and greater than the ethylsulfone surface. Although the chemical compositions of the sulfolane and ethylsulfone polymers are almost identical, the five-membered ring structure of sulfolane allows the sulfonyl moiety to be exposed at the interface in a manner similar to that of the methylsulfone polymer. The sulfonyl group at the ethylsulfone polymer/water interface is slightly masked by the ethyl group. Interestingly, the sulfolane surface displays a higher affinity to methylene iodide and n-hexadecane probe fluids compared to the other sulfone surfaces, suggesting that the five-membered ring structure of the sulfolane moiety can orient in a manner that shelters the sulfonyl group at hydrophobic interfaces.
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Affiliation(s)
- Shota Fujii
- Polymer Science and Engineering Department, University of Massachusetts , Amherst, Massachusetts 01003, United States
| | - Thomas J McCarthy
- Polymer Science and Engineering Department, University of Massachusetts , Amherst, Massachusetts 01003, United States
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Vilariño-Feltrer G, Martínez-Ramos C, Monleón-de-la-Fuente A, Vallés-Lluch A, Moratal D, Barcia Albacar JA, Monleón Pradas M. Schwann-cell cylinders grown inside hyaluronic-acid tubular scaffolds with gradient porosity. Acta Biomater 2016; 30:199-211. [PMID: 26518102 DOI: 10.1016/j.actbio.2015.10.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 10/21/2015] [Accepted: 10/26/2015] [Indexed: 11/19/2022]
Abstract
Cell transplantation therapies in the nervous system are frequently hampered by glial scarring and cell drain from the damaged site, among others. To improve this situation, new biomaterials may be of help. Here, novel single-channel tubular conduits based on hyaluronic acid (HA) with and without poly-l-lactide acid fibers in their lumen were fabricated. Rat Schwann cells were seeded within the conduits and cultured for 10days. The conduits possessed a three-layered porous structure that impeded the leakage of the cells seeded in their interior and made them impervious to cell invasion from the exterior, while allowing free transport of nutrients and other molecules needed for cell survival. The channel's surface acted as a template for the formation of a cylindrical sheath-like tapestry of Schwann cells continuously spanning the whole length of the lumen. Schwann-cell tubes having a diameter of around 0.5mm and variable lengths can thus be generated. This structure is not found in nature and represents a truly engineered tissue, the outcome of the specific cell-material interactions. The conduits might be useful to sustain and protect cells for transplantation, and the biohybrids here described, together with neuronal precursors, might be of help in building bridges across significant distances in the central and peripheral nervous system. STATEMENT OF SIGNIFICANCE The paper entitled "Schwann-cell cylinders grown inside hyaluronic-acid tubular scaffolds with gradient porosity" reports on the development of a novel tubular scaffold and on how this scaffold acts on Schwann cells seeded in its interior as a template to produce macroscopic hollow continuous cylinders of tightly joined Schwann cells. This cellular structure is not found in nature and represents a truly engineered novel tissue, which obtains as a consequence of the specific cell-material interactions within the scaffold.
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Affiliation(s)
- G Vilariño-Feltrer
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Cno. de Vera s/n, 46022 Valencia, Spain
| | - C Martínez-Ramos
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Cno. de Vera s/n, 46022 Valencia, Spain
| | - A Monleón-de-la-Fuente
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Cno. de Vera s/n, 46022 Valencia, Spain
| | - A Vallés-Lluch
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Cno. de Vera s/n, 46022 Valencia, Spain
| | - D Moratal
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Cno. de Vera s/n, 46022 Valencia, Spain
| | - J A Barcia Albacar
- Servicio de Neurocirugía, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), C/ Profesor Martín Lagos, S/N, Madrid 28040, Spain
| | - M Monleón Pradas
- Center for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Cno. de Vera s/n, 46022 Valencia, Spain.
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Lai JY. Hyaluronic acid concentration-mediated changes in structure and function of porous carriers for corneal endothelial cell sheet delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 59:411-419. [PMID: 26652391 DOI: 10.1016/j.msec.2015.10.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Revised: 09/27/2015] [Accepted: 10/15/2015] [Indexed: 01/15/2023]
Abstract
In this study, the effects of hyaluronic acid (HA) concentrations (0.05-1.25wt.%) on the properties of porous carriers for corneal endothelial tissue engineering were investigated. The pore size and porosity gradually increased with decreasing solid content. However, at relatively low HA concentration (i.e., 0.05wt.%), the material samples contained small interior pores and a dense surface skin layer, probably due to no gas bubble effect on the stirring processing of porous microstructures of freeze-dried polysaccharide hydrogels. The carriers prepared from 0.25wt.% HA solution had the highest freezable water content and oxygen and glucose permeability among the samples evaluated. Results of cell viability assays and quantitative real-time reverse transcription polymerase chain reaction analyses showed that the HA concentration-related alteration of porous microstructure dictates the compatibility of biopolymer carriers with corneal endothelial cell (CEC) cultures. In vivo studies demonstrated that the CEC sheet/HA carrier construct implants are therapeutically efficacious in the reconstruction of endothelial scrape-wounded corneas. It is concluded that the polysaccharide concentration is the major factor for affecting the processing of carriers and their structure and function. Porous hydrogels prepared from 0.25wt.% HA solution are capable of delivering bioengineered CEC sheets to the posterior surface of cornea.
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Affiliation(s)
- Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan 33302, Republic of China; Biomedical Engineering Research Center, Chang Gung University, Taoyuan, Taiwan 33302, Republic of China; Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan 33302, Republic of China; Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan, Taiwan 33305, Republic of China.
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Lai JY, Cheng HY, Ma DHK. Investigation of Overrun-Processed Porous Hyaluronic Acid Carriers in Corneal Endothelial Tissue Engineering. PLoS One 2015; 10:e0136067. [PMID: 26296087 PMCID: PMC4546624 DOI: 10.1371/journal.pone.0136067] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Accepted: 07/29/2015] [Indexed: 11/19/2022] Open
Abstract
Hyaluronic acid (HA) is a linear polysaccharide naturally found in the eye and therefore is one of the most promising biomaterials for corneal endothelial regenerative medicine. This study reports, for the first time, the development of overrun-processed porous HA hydrogels for corneal endothelial cell (CEC) sheet transplantation and tissue engineering applications. The hydrogel carriers were characterized to examine their structures and functions. Evaluations of carbodiimide cross-linked air-dried and freeze-dried HA samples were conducted simultaneously for comparison. The results indicated that during the fabrication of freeze-dried HA discs, a technique of introducing gas bubbles in the aqueous biopolymer solutions can be used to enlarge pore structure and prevent dense surface skin formation. Among all the groups studied, the overrun-processed porous HA carriers show the greatest biological stability, the highest freezable water content and glucose permeability, and the minimized adverse effects on ionic pump function of rabbit CECs. After transfer and attachment of bioengineered CEC sheets to the overrun-processed HA hydrogel carriers, the therapeutic efficacy of cell/biopolymer constructs was tested using a rabbit model with corneal endothelial dysfunction. Clinical observations including slit-lamp biomicroscopy, specular microscopy, and corneal thickness measurements showed that the construct implants can regenerate corneal endothelium and restore corneal transparency at 4 weeks postoperatively. Our findings suggest that cell sheet transplantation using overrun-processed porous HA hydrogels offers a new way to reconstruct the posterior corneal surface and improve endothelial tissue function.
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Affiliation(s)
- Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan, 33302, Republic of China
- Biomedical Engineering Research Center, Chang Gung University, Taoyuan, Taiwan, 33302, Republic of China
- Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan, 33302, Republic of China
- * E-mail:
| | - Hsiao-Yun Cheng
- Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan, 33302, Republic of China
| | - David Hui-Kang Ma
- Limbal Stem Cell Laboratory, Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan, Taiwan, 33305, Republic of China
- Department of Chinese Medicine, Chang Gung University, Taoyuan, Taiwan, 33302, Republic of China
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Lai JY. Influence of Pre-Freezing Temperature on the Corneal Endothelial Cytocompatibility and Cell Delivery Performance of Porous Hyaluronic Acid Hydrogel Carriers. Int J Mol Sci 2015; 16:18796-811. [PMID: 26270663 PMCID: PMC4581272 DOI: 10.3390/ijms160818796] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Revised: 07/21/2015] [Accepted: 07/31/2015] [Indexed: 11/26/2022] Open
Abstract
The development of porous hyaluronic acid (HA) hydrogels for corneal endothelial tissue engineering is attractive because they can be used as functional cell delivery carriers to help in the reconstruction of damaged areas. The purpose of this study was to investigate the corneal endothelial cytocompatibility and cell delivery performance of porous HA hydrogel biomaterials fabricated at different pre-freezing temperatures. As compared to their counterparts prepared at −80 °C, the HA samples fabricated at higher pre-freezing temperature (i.e., 0 °C) exhibited a larger pore size and higher porosity, thereby leading to lower resistance to glucose permeation. Live/dead assays and gene expression analyses showed that the restricted porous structure of HA carriers decreases the viability and ionic pump function of cultured corneal endothelial cells (CECs). The results also indicated that the porous hydrogel biomaterials fabricated at high pre-freezing temperature seem to be more compatible with rabbit CECs. In an animal model of corneal endothelial dysfunction, the wounded rabbit corneas receiving bioengineered CEC sheets and restricted porous-structured HA carriers demonstrated poor tissue reconstruction. The therapeutic efficacy of cell sheet transplants can be improved by using carrier materials prepared at high pre-freezing temperature. Our findings suggest that the cryogenic operation temperature-mediated pore microstructure of HA carriers plays an important role in corneal endothelial cytocompatibility and cell delivery performance.
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Affiliation(s)
- Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan.
- Biomedical Engineering Research Center, Chang Gung University, Taoyuan 33302, Taiwan.
- Molecular Medicine Research Center, Chang Gung University, Taoyuan 33302, Taiwan.
- Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan .
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Lai JY. Carbodiimide cross-linking of amniotic membranes in the presence of amino acid bridges. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 51:28-36. [DOI: 10.1016/j.msec.2015.02.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2014] [Revised: 01/02/2015] [Accepted: 02/09/2015] [Indexed: 10/24/2022]
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