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Nagamoto K, Nakanishi K, Akasaka T, Abe S, Yoshihara K, Nakamura M, Hayashi H, Takemoto S, Tamura M, Kitagawa Y, Van Meerbeek B, Yoshida Y. Investigation of a new implant surface modification using phosphorylated pullulan. Front Bioeng Biotechnol 2024; 12:1378039. [PMID: 38840668 PMCID: PMC11150837 DOI: 10.3389/fbioe.2024.1378039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 05/01/2024] [Indexed: 06/07/2024] Open
Abstract
Various implant surface treatment methods have been developed to achieve good osseointegration in implant treatment. However, some cases remain impossible to treat with implants because osseointegration is not obtained after implantation, and the implants fail. Thus, this study focused on phosphorylated pullulan because of its adhesiveness to titanium (Ti) and bone, high biocompatibility, and early replacement with bone. In this study, the response of bone-related cells to phosphorylated pullulan was evaluated to develop a new surface treatment method. Saos-2 (human osteosarcoma-derived osteoblast-like cells), MC3T3-E1 (mouse calvaria-derived osteoblast-like cells), and RAW264.7 (mouse macrophage-like cells) were used. In evaluating cellular responses, phosphorylated pullulan was added to the culture medium, and cell proliferation and calcification induction tests were performed. The proliferation and calcification of cells on the surface of Ti disks coated with phosphorylated pullulan were also evaluated. In addition, bone morphogenetic protein-2 (BMP-2), an osteogenic factor, was used to evaluate the role of phosphorylated pullulan as a drug carrier in inducing calcification on Ti disks. Phosphorylated pullulan tended to promote the proliferation of osteoblast-like cells and the formation of calcification on Ti disks coated with phosphorylated pullulan. Ti disks coated with phosphorylated pullulan loaded with BMP-2 enhanced calcification. Phosphorylated pullulan inhibited osteoclast-like cell formation. These results are due to the properties of phosphorylated pullulan, such as adhesiveness to titanium and drug-loading function. Therefore, phosphorylated pullulan effectively promotes bone regeneration when coated on titanium implants and is useful for developing a new surface treatment method.
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Affiliation(s)
- Kanako Nagamoto
- Oral Diagnosis and Medicine, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Ko Nakanishi
- Department of Biomaterials and Bioengineering, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
- BIOMAT, Department of Oral Sciences, KU Leuven, Leuven, Belgium
| | - Tsukasa Akasaka
- Department of Biomaterials and Bioengineering, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Shigeaki Abe
- Department of Dental and Biomedical Materials Science, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Kumiko Yoshihara
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology, Takamatsu, Japan
| | - Mariko Nakamura
- School of Clinical Psychology, Kyushu University of Medical Science, Miyazaki, Japan
| | - Hiroshi Hayashi
- Section for Dental Innovation, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Shinji Takemoto
- Department of Biomedical Engineering, Iwate Medical University, Shiwa, Japan
| | - Masato Tamura
- Department of Oral Biochemistry and Molecular Biology, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Yoshimasa Kitagawa
- Oral Diagnosis and Medicine, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | | | - Yasuhiro Yoshida
- Department of Biomaterials and Bioengineering, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
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2
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Hu J, Jiang Z, Zhang J, Yang G. Application of silk fibroin coatings for biomaterial surface modification: a silk road for biomedicine. J Zhejiang Univ Sci B 2023; 24:943-956. [PMID: 37961798 PMCID: PMC10646393 DOI: 10.1631/jzus.b2300003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 04/18/2023] [Indexed: 11/15/2023]
Abstract
Silk fibroin (SF) as a natural biopolymer has become a popular material for biomedical applications due to its minimal immunogenicity, tunable biodegradability, and high biocompatibility. Nowadays, various techniques have been developed for the applications of SF in bioengineering. Most of the literature reviews focus on the SF-based biomaterials and their different forms of applications such as films, hydrogels, and scaffolds. SF is also valuable as a coating on other substrate materials for biomedicine; however, there are few reviews related to SF-coated biomaterials. Thus, in this review, we focused on the surface modification of biomaterials using SF coatings, demonstrated their various preparation methods on substrate materials, and introduced the latest procedures. The diverse applications of SF coatings for biomedicine are discussed, including bone, ligament, skin, mucosa, and nerve regeneration, and dental implant surface modification. SF coating is conducive to inducing cell adhesion and migration, promoting hydroxyapatite (HA) deposition and matrix mineralization, and inhibiting the Notch signaling pathway, making it a promising strategy for bone regeneration. In addition, SF-coated composite scaffolds can be considered prospective candidates for ligament regeneration after injury. SF coating has been proven to enhance the mechanical properties of the substrate material, and render integral stability to the dressing material during the regeneration of skin and mucosa. Moreover, SF coating is a potential strategy to accelerate nerve regeneration due to its dielectric properties, mechanical flexibility, and angiogenesis promotion effect. In addition, SF coating is an effective and popular means for dental implant surface modification to promote osteogenesis around implants made of different materials. Thus, this review can be of great benefit for further improvements in SF-coated biomaterials, and will undoubtedly contribute to clinical transformation in the future.
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Affiliation(s)
- Jinxing Hu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Disease, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Zhiwei Jiang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Disease, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Jing Zhang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Disease, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Guoli Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Disease, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China.
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3
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Janmohammadi M, Nazemi Z, Salehi AOM, Seyfoori A, John JV, Nourbakhsh MS, Akbari M. Cellulose-based composite scaffolds for bone tissue engineering and localized drug delivery. Bioact Mater 2023; 20:137-163. [PMID: 35663339 PMCID: PMC9142858 DOI: 10.1016/j.bioactmat.2022.05.018] [Citation(s) in RCA: 68] [Impact Index Per Article: 68.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/27/2022] [Accepted: 05/13/2022] [Indexed: 12/12/2022] Open
Abstract
Natural bone constitutes a complex and organized structure of organic and inorganic components with limited ability to regenerate and restore injured tissues, especially in large bone defects. To improve the reconstruction of the damaged bones, tissue engineering has been introduced as a promising alternative approach to the conventional therapeutic methods including surgical interventions using allograft and autograft implants. Bioengineered composite scaffolds consisting of multifunctional biomaterials in combination with the cells and bioactive therapeutic agents have great promise for bone repair and regeneration. Cellulose and its derivatives are renewable and biodegradable natural polymers that have shown promising potential in bone tissue engineering applications. Cellulose-based scaffolds possess numerous advantages attributed to their excellent properties of non-toxicity, biocompatibility, biodegradability, availability through renewable resources, and the low cost of preparation and processing. Furthermore, cellulose and its derivatives have been extensively used for delivering growth factors and antibiotics directly to the site of the impaired bone tissue to promote tissue repair. This review focuses on the various classifications of cellulose-based composite scaffolds utilized in localized bone drug delivery systems and bone regeneration, including cellulose-organic composites, cellulose-inorganic composites, cellulose-organic/inorganic composites. We will also highlight the physicochemical, mechanical, and biological properties of the different cellulose-based scaffolds for bone tissue engineering applications.
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Affiliation(s)
- Mahsa Janmohammadi
- Faculty of New Sciences and Technologies, Semnan University, Semnan, P.O.Box: 19111-35131, Iran
| | - Zahra Nazemi
- Faculty of New Sciences and Technologies, Semnan University, Semnan, P.O.Box: 19111-35131, Iran
| | | | - Amir Seyfoori
- Laboratory for Innovations in Micro Engineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada
| | - Johnson V. John
- Terasaki Institute for Biomedical Innovations, Los Angeles, CA, 90050, USA
| | - Mohammad Sadegh Nourbakhsh
- Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, P.O.Box: 19111-35131, Iran
| | - Mohsen Akbari
- Laboratory for Innovations in Micro Engineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada
- Terasaki Institute for Biomedical Innovations, Los Angeles, CA, 90050, USA
- Biotechnology Center, Silesian University of Technology, Akademicka 2A, 44-100, Gliwice, Poland
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4
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Moris H, Ghaee A, Karimi M, Nouri-Felekori M, Mashak A. Preparation and characterization of Pullulan-based nanocomposite scaffold incorporating Ag-Silica Janus particles for bone tissue engineering. BIOMATERIALS ADVANCES 2022; 135:212733. [PMID: 35929198 DOI: 10.1016/j.bioadv.2022.212733] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/12/2022] [Accepted: 02/21/2022] [Indexed: 06/15/2023]
Abstract
A nanocomposite bone scaffold was fabricated from pullulan, a natural extracellular polysaccharide. Pullulan (PULL) was blended with polyvinylpyrrolidone (PVP), and a nano-platform with ball-stick morphology, Ag-Silica Janus particles (Ag-Silica JPs), which were utilized to fabricate nanocomposite scaffold with enhanced mechanical and biological properties. The Ag-Silica JPs were synthesized via a one-step sol-gel method and used to obtain synergistic properties of silver and silica's antibacterial and bioactive effects, respectively. The synthesized Ag-Silica JPs were characterized by means of FE-SEM, DLS, and EDS. The PULL/PVP scaffolds containing Ag-Silica JPs, fabricated by the freeze-drying method, were evaluated by SEM, EDS, FTIR, XRD, ICP and biological analysis, including antibacterial activity, bioactivity, cell viability and cell culture tests. It was noted that increasing Ag-Silica JPs amounts to an optimum level (1% w/w) led to an improvement in compressive modulus and strength of nanocomposite scaffold, reaching 1.03 ± 0.48 MPa and 3.27 ± 0.18, respectively. Scaffolds incorporating Ag-Silica JPs also showed favorable antibacterial activity. The investigations through apatite forming ability of scaffolds in SBF indicated spherical apatite precipitates. Furthermore, the cell viability test proved the outstanding biocompatibility of nanocomposite scaffolds (more than 90%) confirmed by cell culture tests showing that increment of Ag-Silica JPs amounts led to better adhesion, proliferation, ALP activity and mineralization of MG-63 cells.
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Affiliation(s)
- Hanieh Moris
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, P.O. Box 14395-1561, Tehran, Iran
| | - Azadeh Ghaee
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, P.O. Box 14395-1561, Tehran, Iran.
| | - Majid Karimi
- Polymerization Engineering Department, Iran Polymer and Petrochemical Institute (IPPI), P.O. Box 14965/115, Tehran, Iran
| | - Mohammad Nouri-Felekori
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, P.O. Box 14395-1561, Tehran, Iran
| | - Arezou Mashak
- Department of Novel Drug Delivery Systems, Iran Polymer and Petrochemical Institute, PO Box: 14965/115, Tehran, Iran
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5
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Silva RD, Carvalho LT, Moraes RM, Medeiros SDF, Lacerda TM. Biomimetic Biomaterials Based on Polysaccharides: Recent Progress and Future Perspectives. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Rodrigo Duarte Silva
- Nanotechnology National Laboratory for Agriculture (LNNA) Embrapa Instrumentation Rua XV de Novembro 1452 São Carlos SP 13560‐970 Brazil
| | - Layde Teixeira Carvalho
- Department of Chemical Engineering Engineering School of Lorena University of São Paulo (EEL‐USP) Lorena SP 12602‐810 Brazil
| | - Rodolfo Minto Moraes
- Department of Material Engineering Engineering School of Lorena University of São Paulo, (EEL‐USP) Lorena SP 12602‐810 Brazil
| | - Simone de Fátima Medeiros
- Department of Chemical Engineering Engineering School of Lorena University of São Paulo (EEL‐USP) Lorena SP 12602‐810 Brazil
| | - Talita Martins Lacerda
- Department of Biotechnology Engineering School of Lorena University of São Paulo (EEL‐USP) Lorena SP 12602‐810 Brazil
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6
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Trejo-Iriarte CG, Ortega MA, Asúnsolo Á, Gómez-Clavel JF, Muñoz AG, Mon MÁ, Buján J, Acero J, García-Honduvilla N. Mesenchymal adipose stem cells maintain the capacity for differentiation and survival in culture beyond the long term. J Histotechnol 2021; 44:217-233. [PMID: 34412574 DOI: 10.1080/01478885.2021.1953248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Mesenchymal cells (MSCs) are considered to be cellular populations of common embryological origin. For clinical research applications, MSCs are expanded and increased with cells obtained from a primary culture. By extracting cells from tissue and encouraging them to reproduce, the stem cell population ends up dominating the culture due to a high proliferation rate and self-renewal. The first subcultures between the third and sixth are chosen in order to obtain the maximum number of cells with optimal differentiation capacity. However, few studies have reported long-term cultivation of MSCs. The objective of this study was to advance the knowledge on the characteristics of MSCs by assessing their capacity for self-renewal and phenotypic maintenance beyond 50 cell subcultures, which is defined as the normal limit for cellular survival. Rat subcutaneous adipose tissue was the source of mesenchymal adipose stem cells (MASCs) cultured over 175 subcultures. Early 1 to 5 and late 25 to 30 subcultures were used to induce cellular differentiation to become adipogenic, chondrogenic and osteogenic connective tissue cells. MASCs characteristics were studied using flow cytometry, transmission electron microscopy (TEM), and immunohistochemical and reverse transcription polymerase chain reaction (RT-qPCR) assays. The MASCs maintained cell differentiation capacity for more than 30 subcultures but lost potentiality starting at 60 up to 175 subcultures. MASCs showed the embryonic phenotypes OCT3/4 and Nanog indefinitely, and developed compensatory mechanisms, such as autophagy, to achieve cell survival over a long time period. Therefore, long-term subcultures showed that MASCs could maintain their potential for clinical research use.
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Affiliation(s)
- Cynthia G Trejo-Iriarte
- Research Group in Stem Cells and Tissue Engineering, Almaraz Dentistry Research Laboratory, Dentist Surgeon Studies, Iztacala Higher Studies School, National Autonomous University of Mexico, Mexico DF, Mexico
| | - Miguel A Ortega
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain
| | - Ángel Asúnsolo
- Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain.,Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, Alcalá de Henares, Spain
| | - José F Gómez-Clavel
- Laboratory of Research in Education and Dentistry; Dentist Surgeon Studies, School of Higher Studies Iztacala, National Autonomous University of Mexico, Mexico DF, Mexico
| | - Alejandro García Muñoz
- Research Group in Stem Cells and Tissue Engineering, Almaraz Dentistry Research Laboratory, Dentist Surgeon Studies, Iztacala Higher Studies School, National Autonomous University of Mexico, Mexico DF, Mexico
| | - Melchor Álvarez- Mon
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain.,Immune System Diseases-Rheumatology and Oncology Service, CIBEREHD, University Hospital Príncipe de Asturias, Alcalá de Henares, Spain
| | - Julia Buján
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain
| | - Julio Acero
- Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain.,Department of Oral and Maxillofacial Surgery, Ramon y Cajal University Hospital, Alcalá University, Madrid, Spain
| | - Natalio García-Honduvilla
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain
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7
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Shoaib MH, Sikandar M, Ahmed FR, Ali FR, Qazi F, Yousuf RI, Irshad A, Jabeen S, Ahmed K. Applications of Polysaccharides in Controlled Release Drug Delivery System. POLYSACCHARIDES 2021. [DOI: 10.1002/9781119711414.ch29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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8
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Alshemary AZ, Bilgin S, Işık G, Motameni A, Tezcaner A, Evis Z. Biomechanical Evaluation of an Injectable Alginate / Dicalcium Phosphate Cement Composites for Bone Tissue Engineering. J Mech Behav Biomed Mater 2021; 118:104439. [PMID: 33691231 DOI: 10.1016/j.jmbbm.2021.104439] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/22/2021] [Accepted: 02/26/2021] [Indexed: 01/27/2023]
Abstract
Biocompatible dicalcium phosphate (DCP) cements are widely used as bone repair materials. In this study, we aimed to investigate the impact of different amounts of sodium alginate (SA) on the microstructural, mechanical, and biological properties of DCP cements. Beta-tricalcium phosphate (β-TCP) was prepared using a microwave-assisted wet precipitation system. Lattice parameters of the obtained particles determined from X-ray diffraction (XRD), were in good match with a standard phase of β-TCP. Scanning electron microscopy (SEM) examination revealed that the particles were in globular shape. Furthermore, all functional groups of β-TCP were also detected using Fourier-transform infrared spectroscopy (FTIR) spectra. DCP cement (pure phase) was synthesized using monocalcium phosphate monohydrate (MCPM)/β-TCP powder mixture blended with 1.0 mL of water. SA/DCP cement composites were synthesized by dissolving different amounts of SA into water (1.0 mL) to obtain different final concentrations (0.5%, 1%, 2% and 3%). The prepared cements were characterized with XRD, SEM, FTIR and Thermogravimetric analysis (TGA). XRD results showed that pure DCP and SA/DCP cements were in a good match with Monetite phase. SEM results confirmed that addition of SA inhibited the growth of DCP particles. Setting time and injectability behaviour were significantly improved upon increasing the SA amount into DCP cements. In vitro biodegradation was evaluated using Simulated body fluid (SBF) over 21 days at 37 °C. The highest cumulative weight loss (%) in SBF was observed for 2.0% SA/DCP (about 26.52%) after 21 days of incubation. Amount of Ca2+ ions released in SBF increased with the addition of SA. DCP and SA/DCP cements showed the highest mechanical strength after 3 days of incubation in SBF and declined with prolonged immersion periods. In vitro cell culture experiments were conducted using Dental pulp stem cells (DPSCs). Viability and morphology of cells incubated in extract media of DCP and SA/DCP discs after 24 h incubation was studied with MTT assay and fluorescence microscopy imaging, respectively. All cements were cytocompatible and viability of cells incubated in extracts of cements was higher than observed in the control group. Based on the outcomes, SA/DCP bone cements have a promising future to be utilized as bone filler.
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Affiliation(s)
- Ammar Z Alshemary
- Department of Biomedical Engineering, Faculty of Engineering, Karabuk University, Karabuk, 78050, Turkey.
| | - Saliha Bilgin
- Department of Biomedical Engineering, Faculty of Engineering, Karabuk University, Karabuk, 78050, Turkey
| | - Gülhan Işık
- Department of Biotechnology, Middle East Technical University, Ankara 06800, Turkey
| | - Ali Motameni
- Department of Engineering Sciences, Middle East Technical University, Ankara, 06800, Turkey
| | - Aysen Tezcaner
- Department of Biotechnology, Middle East Technical University, Ankara 06800, Turkey; Department of Engineering Sciences, Middle East Technical University, Ankara, 06800, Turkey
| | - Zafer Evis
- Department of Engineering Sciences, Middle East Technical University, Ankara, 06800, Turkey
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9
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Ng EX, Wang M, Neo SH, Tee CA, Chen CH, Van Vliet KJ. Dissolvable Gelatin-Based Microcarriers Generated through Droplet Microfluidics for Expansion and Culture of Mesenchymal Stromal Cells. Biotechnol J 2020; 16:e2000048. [PMID: 33052012 DOI: 10.1002/biot.202000048] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 09/30/2020] [Indexed: 12/16/2022]
Abstract
Microcarriers are synthetic particles used in bioreactor-based cell manufacturing of anchorage-dependent cells to promote proliferation at efficient physical volumes, mainly by increasing the surface area-to-volume ratio. Mesenchymal stromal cells (MSCs) are adherent cells that are used for numerous clinical trials of autologous and allogeneic cell therapy, thus requiring avenues for large-scale cell production at efficiently low volumes and cost. Here, a dissolvable gelatin-based microcarrier is developed for MSC expansion. This novel microcarrier shows comparable cell attachment efficiency and proliferation rate when compared to several commercial microcarriers, but with higher harvesting yield due to the direct dissolution of microcarrier particles and thus reduced cell loss at the cell harvesting step. Furthermore, gene expression and in vitro differentiation suggest that MSCs cultured on gelatin microcarriers maintain trilineage differentiation with similar adipogenic differentiation efficiency and higher chondrogenic and osteogenic differentiation efficiency when compared to MSCs cultured on 2D planar polystyrene tissue culture flask; on the contrary, MSCs cultured on conventional microcarriers appear to be bipotent along osteochondral lineages whereby adipogenic differentiation potential is impeded. These results suggest that these gelatin microcarriers are suitable for MSC culture and expansion, and can also potentially be extended for other types of anchorage-dependent cells.
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Affiliation(s)
- Ee Xien Ng
- Biosystems and Micromechanics, CREATE, Singapore-MIT Alliance for Research and Technology, Singapore, 138602, Singapore.,Critical Analytics for Manufacturing Personalized-Medicine, CREATE, Singapore-MIT Alliance for Research and Technology, Singapore, 138602, Singapore
| | - Ming Wang
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore, 117456, Singapore.,Institute for Health Innovation and Technology, National University of Singapore, Singapore, 117599, Singapore.,Department of Biomedical Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Shu Hui Neo
- Critical Analytics for Manufacturing Personalized-Medicine, CREATE, Singapore-MIT Alliance for Research and Technology, Singapore, 138602, Singapore
| | - Ching Ann Tee
- Critical Analytics for Manufacturing Personalized-Medicine, CREATE, Singapore-MIT Alliance for Research and Technology, Singapore, 138602, Singapore
| | - Chia-Hung Chen
- Department of Biomedical Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Krystyn J Van Vliet
- Biosystems and Micromechanics, CREATE, Singapore-MIT Alliance for Research and Technology, Singapore, 138602, Singapore.,Critical Analytics for Manufacturing Personalized-Medicine, CREATE, Singapore-MIT Alliance for Research and Technology, Singapore, 138602, Singapore.,Department of Biological Engineering, 77 Massachusetts Avenue, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Materials Science and Engineering, 77 Massachusetts Avenue, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
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10
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Singh RS, Kaur N, Hassan M, Kennedy JF. Pullulan in biomedical research and development - A review. Int J Biol Macromol 2020; 166:694-706. [PMID: 33137388 DOI: 10.1016/j.ijbiomac.2020.10.227] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 10/28/2020] [Indexed: 12/14/2022]
Abstract
Pullulan is an imperative microbial exo-polymer commercially produced by yeast like fungus Aureobasidium pullulans. Its structure contains maltosyl repeating units which comprises two α-(1 → 4) linked glucopyranose rings attached to one glucopyranose ring through α-(1 → 6) glycosidic bond. The co-existence of α-(1 → 6) and α-(1 → 4) glycosidic linkages endows distinctive physico-chemical properties to pullulan. It is highly biocompatible, non-toxic and non-carcinogenic in nature. It is extremely resistant to any mutagenicity or immunogenicity. The unique properties of pullulan make it a potent candidate for biomedical applications viz. drug delivery, gene delivery, tissue engineering, molecular chaperon, plasma expander, vaccination, etc. This review highlights the potential of pullulan in biomedical research and development.
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Affiliation(s)
- Ram Sarup Singh
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala 147 002, Punjab, India.
| | - Navpreet Kaur
- Carbohydrate and Protein Biotechnology Laboratory, Department of Biotechnology, Punjabi University, Patiala 147 002, Punjab, India
| | - Muhammad Hassan
- US-Pakistan Center for Advanced Studies in Energy, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - John F Kennedy
- Chembiotech Laboratories, Advanced Science and Technology Institute, 5 The Croft, Buntsford Drive, Stoke Heath, Bromsgrove, Worcs B60 4JE, UK
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11
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Veiga A, Castro F, Rocha F, Oliveira A. Silk-based microcarriers: current developments and future perspectives. IET Nanobiotechnol 2020; 14:645-653. [PMID: 33108319 PMCID: PMC8676661 DOI: 10.1049/iet-nbt.2020.0058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 08/04/2020] [Accepted: 08/07/2020] [Indexed: 12/22/2022] Open
Abstract
Cell-seeded microcarriers (MCs) are currently one of the most promising topics in biotechnology. These systems are supportive structures for cell growth and expansion that allow efficient nutrient and gas transfer between the media and the attached cells. Silk proteins have been increasingly used for this purpose in the past few years due to their biocompatibility, biodegradability and non-toxicity. To date, several silk fibroin spherical MCs in combination with alginate, gelatin and calcium phosphates have been reported with very interesting outcomes. In addition, other silk-based three-dimensional structures such as microparticles with chitosan and collagen, as well as organoids, have been increasingly studied. In this study, the physicochemical and biological properties of these biomaterials, as well as the recent methodologies for their processing and for cell culture, are discussed. The potential biomedical applications are also addressed. In addition, an analysis of the future perspectives is presented, where the potential of innovative silk-based MCs processing technologies is highlighted.
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Affiliation(s)
- Anabela Veiga
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Faculty of Engineering of Porto, Department of Chemical Engineering, University of Porto, Porto, Portugal
| | - Filipa Castro
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Faculty of Engineering of Porto, Department of Chemical Engineering, University of Porto, Porto, Portugal.
| | - Fernando Rocha
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Faculty of Engineering of Porto, Department of Chemical Engineering, University of Porto, Porto, Portugal
| | - Ana Oliveira
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
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12
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Abstract
A variety of materials-based approaches to accelerate the regeneration of damaged bone have been developed to meet the important clinical need for improved bone fillers. This comprehensive review covers the materials and technologies used in modular microcarrier-based methods for delivery of progenitor cells in orthopaedic repair applications. It provides an overview of the field and the rationale for using microcarriers combined with osteoprogenitor cells for bone regeneration in particular. The general concepts and methods used in microcarrier-based cell culture and delivery are described, and methods for fabricating and characterizing microcarriers designed for specific indications are presented. A comprehensive review of the current literature on the use of microcarriers in bone regeneration is provided, with emphasis on key developments in the field and their impact. The studies reviewed are organized according to the broad classes of materials that are used for fabricating microcarriers, including polysaccharides, proteins and peptides, ceramics, and synthetic polymers. In addition, composite microcarriers that incorporate multiple material types or that are mineralized biomimetically are included. In each case, the fabrication, processing, characterization, and resulting function of the microcarriers is described, with an emphasis on their ability to support osteogenic differentiation of progenitor cells in vitro, and their effectiveness in healing bone defects in vivo. In addition, a summary of the current state of the field is provided, as are future perspectives on how microcarrier technologies may be enhanced to create improved cell-based therapies for bone regeneration.
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Affiliation(s)
- Chukwuma E Nweke
- Department of Biomedical Engineering, Ann and Robert H. Lurie Biomedical Engineering Building, University of Michigan, 1101 Beal Avenue, Ann Arbor, MI 48109, USA. and Macromolecular Science & Engineering Program, North Campus Research Complex, University of Michigan, 2800 Plymouth Road, Ann Arbor, MI 48109, USA
| | - Jan P Stegemann
- Department of Biomedical Engineering, Ann and Robert H. Lurie Biomedical Engineering Building, University of Michigan, 1101 Beal Avenue, Ann Arbor, MI 48109, USA. and Macromolecular Science & Engineering Program, North Campus Research Complex, University of Michigan, 2800 Plymouth Road, Ann Arbor, MI 48109, USA
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13
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Coltelli MB, Danti S, De Clerk K, Lazzeri A, Morganti P. Pullulan for Advanced Sustainable Body- and Skin-Contact Applications. J Funct Biomater 2020; 11:jfb11010020. [PMID: 32197310 PMCID: PMC7151585 DOI: 10.3390/jfb11010020] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/03/2020] [Accepted: 03/09/2020] [Indexed: 12/17/2022] Open
Abstract
The present review had the aim of describing the methodologies of synthesis and properties of biobased pullulan, a microbial polysaccharide investigated in the last decade because of its interesting potentialities in several applications. After describing the implications of pullulan in nano-technology, biodegradation, compatibility with body and skin, and sustainability, the current applications of pullulan are described, with the aim of assessing the potentialities of this biopolymer in the biomedical, personal care, and cosmetic sector, especially in applications in contact with skin.
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Affiliation(s)
- Maria-Beatrice Coltelli
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (S.D.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
- Correspondence: (M.-B.C.); (P.M.)
| | - Serena Danti
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (S.D.); (A.L.)
| | - Karen De Clerk
- Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture, Ghent University, Technologiepark 70A, 9052 Ghent, Belgium;
| | - Andrea Lazzeri
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (S.D.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
| | - Pierfrancesco Morganti
- Department of Mental Health and Physics and Preventive Medicine, Unit of Dermatology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Academy of History of Health Care Art, 00193 Rome, Italy
- Correspondence: (M.-B.C.); (P.M.)
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14
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Luetchford KA, Chaudhuri JB, De Bank PA. Silk fibroin/gelatin microcarriers as scaffolds for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110116. [PMID: 31753329 PMCID: PMC6891254 DOI: 10.1016/j.msec.2019.110116] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 06/06/2019] [Accepted: 08/22/2019] [Indexed: 01/26/2023]
Abstract
Microcarrier cell scaffolds have potential as injectable cell delivery vehicles or as building blocks for tissue engineering. The use of small cell carriers allows for a 'bottom up' approach to tissue assembly when moulding microparticles into larger structures, which can facilitate the introduction of hierarchy by layering different matrices and cell types, while evenly distributing cells through the structure. In this work, silk fibroin (SF), purified from Bombyx mori cocoons, was blended with gelatin (G) to produce materials composed of varying ratios of the two components (SF: G 25:75, 50:50, and 75:25). Cell compatibility to these materials was first confirmed in two-dimensional culture and found to be equivalent to standard tissue culture plastic, and better than SF or G alone. The mechanical properties of the blends were investigated and the blended materials were found to have increased Young's moduli over SF alone. Microcarriers of SF/G blends with defined diameters were generated in a reproducible manner through the use of an axisymmetric flow focussing device, constructed from off-the-shelf parts and fittings. These SF/G microcarriers supported adhesion of rat mesenchymal stem cells with high degrees of efficiency under dynamic culture conditions and, after culturing in osteogenic differentiation medium, cells were shown to have characteristics typical of osteoblasts. This work illustrates that microcarriers composed of SF/G blends are promising building blocks for osteogenic tissue engineering.
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Affiliation(s)
- Kim A Luetchford
- Department of Pharmacy & Pharmacology, University of Bath, Bath, BA2 7AY, UK
| | - Julian B Chaudhuri
- Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Paul A De Bank
- Department of Pharmacy & Pharmacology, University of Bath, Bath, BA2 7AY, UK.
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15
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Recent advances in the use of microcarriers for cell cultures and their ex vivo and in vivo applications. Biotechnol Lett 2019; 42:1-10. [PMID: 31602549 DOI: 10.1007/s10529-019-02738-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/25/2019] [Indexed: 12/12/2022]
Abstract
Microcarriers are 100- to 300-micron support matrices that permit the growth of adherent cells in bioreactor systems. They have a larger surface area to volume ratio in comparison to single cell monolayers, enabling cost-effective cell production and expansion. Microcarriers are composed of a solid matrix that must be separated from expanded cells during downstream processing stages. The detachment method is chosen on the basis of several factors like cell type, microcarrier surface chemistry, cell confluency and degree of aggregation. The development of microcarriers with a range of physiochemical properties permit controlled cell and protein associations that hold utility for novel therapeutics. In this review, we provide an overview of the recent advances in microcarrier cell culture technology. We also discuss its significance as an ex vivo research tool and the therapeutic potential of newly designed microcarrier systems in vivo.
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16
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Polymeric nanoparticles as carrier for targeted and controlled delivery of anticancer agents. Ther Deliv 2019; 10:527-550. [DOI: 10.4155/tde-2019-0044] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In recent decades, many novel methods by using nanoparticles (NPs) have been investigated for diagnosis, drug delivery and treatment of cancer. Accordingly, the potential of NPs as carriers is very significant for the delivery of anticancer drugs, because cancer treatment with NPs has led to the improvement of some of the drug delivery limitations such as low blood circulation time and bioavailability, lack of water solubility, drug adverse effect. In addition, the NPs protect drugs against enzymatic degradation and can lead to the targeted and/or controlled release of the drug. The present review focuses on the potential of NPs that can help the targeted and/or controlled delivery of anticancer agents for cancer therapy.
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17
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Tang W, Yang J, Wang F, Li Z. Efficient Preservation of Acetylcholinesterase at Room Temperature for Facile Detection of Organophosphorus Pesticide. ANAL SCI 2019; 35:401-406. [PMID: 30555106 DOI: 10.2116/analsci.18p322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A simple and inexpensive strategy is reported to facilitate the detection of an organophosphorus pesticide by acetylcholinesterase (AChE). Pullulan is able to preserve AChE at room temperature, but the activity of conserved AChE varies significantly depending on the time, stir and volume of solution to dissolve it. The reason is that AChE entrapped in pullulan tablet remains in an inactive state to avoid denaturalization and deactivation. There is a reactivation process to gradually recover the enzyme activity during dissolution of the tablet. Stirring would interrupt this procedure and lead to a loss of enzyme activity. Dissolution of the tablet for 5 min with a volume of 15 μL could facilitate full recovery of AChE activity. The feasibility of activated AChE for organophosphorus pesticide detection was evaluated using malaoxon. These results contribute to the understanding of preservation mechanism by pullulan and the development of easy-to-use enzyme assays.
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Affiliation(s)
- Wenzhi Tang
- College of Food Science and Engineering, Northwest A&F University.,Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture.,National Engineering Research Center of Agriculture Integration Test (Yangling)
| | - Jingxian Yang
- College of Food Science and Engineering, Northwest A&F University.,Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture.,National Engineering Research Center of Agriculture Integration Test (Yangling)
| | - Fei Wang
- College of Food Science and Engineering, Northwest A&F University.,Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture.,National Engineering Research Center of Agriculture Integration Test (Yangling)
| | - Zhonghong Li
- College of Food Science and Engineering, Northwest A&F University.,Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture.,National Engineering Research Center of Agriculture Integration Test (Yangling)
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18
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Tabasum S, Noreen A, Maqsood MF, Umar H, Akram N, Nazli ZIH, Chatha SAS, Zia KM. A review on versatile applications of blends and composites of pullulan with natural and synthetic polymers. Int J Biol Macromol 2018; 120:603-632. [DOI: 10.1016/j.ijbiomac.2018.07.154] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 07/17/2018] [Accepted: 07/24/2018] [Indexed: 02/07/2023]
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19
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Moonesi Rad R, Pazarçeviren E, Ece Akgün E, Evis Z, Keskin D, Şahin S, Tezcaner A. In vitro performance of a nanobiocomposite scaffold containing boron-modified bioactive glass nanoparticles for dentin regeneration. J Biomater Appl 2018; 33:834-853. [PMID: 30458663 DOI: 10.1177/0885328218812487] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Every year, many dental restoration methods are carried out in the world and most of them do not succeed. High cost of these restorations and rejection possibility of the implants are main drawbacks. For this reason, a regenerative approach for repairing the damaged dentin-pulp complex or generating a new tissue is needed. In this study, the potential of three-dimensional cellulose acetate/oxidized pullulan/gelatin-based dentin-like constructs containing 10 or 20% bioactive glass nanoparticles was studied to explore their potential for dentin regeneration. Three-dimensional nano biocomposite structures were prepared by freeze-drying/metal mold pressing methods and characterized by in vitro degradation analysis, water absorption capacity and porosity measurements, scanning electron microscopy, in vitro biomineralization analysis. During one-month incubation in phosphate buffered saline solution at 37°C, scaffolds lost about 25-30% of their weight and water absorption capacity gradually decreased with time. Scanning electron microscopy examinations showed that mean diameter of the tubular structures was about 420 µm and the distance between walls of the tubules was around 560 µm. Calcium phosphate precipitates were formed on scaffolds surfaces treated with simulated body fluid, which was enhanced by boron-modified bioactive glass addition. For cell culture studies human dental pulp stem cells were isolated from patient teeth. An improvement in cellular viability was observed for different groups over the incubation period with the highest human dental pulp stem cells viability on B7-20 scaffolds. ICP-OES analysis revealed that concentration of boron ion released from the scaffolds was between 0.2 and 1.1 mM, which was below toxic levels. Alkaline phosphatase activity and intracellular calcium amounts significantly increased 14 days after incubation with highest values in B14-10 group. Von Kossa staining revealed higher levels of mineral deposition in these groups. In this work, results indicated that developed dentin-like constructs are promising for dentin regeneration owing to presence of boron-modified bioactive glass nanoparticles.
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Affiliation(s)
- Reza Moonesi Rad
- 1 Department of Biotechnology, Middle East Technical University, Ankara, Turkey
| | - Engin Pazarçeviren
- 2 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Elif Ece Akgün
- 3 Department of Histology and Embryology, Afyonkocatepe University Faculty of Veterinary Medicine, Afyonkarahisar, Turkey
| | - Zafer Evis
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Dilek Keskin
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey.,5 Center of Excelence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
| | - Sıla Şahin
- 6 Topraklık Mouth and Dental Health Center, Ankara, Turkey
| | - Ayşen Tezcaner
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey.,5 Center of Excelence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
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20
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Wei P, Yuan Z, Cai Q, Mao J, Yang X. Bioresorbable Microspheres with Surface-Loaded Nanosilver and Apatite as Dual-Functional Injectable Cell Carriers for Bone Regeneration. Macromol Rapid Commun 2018; 39:e1800062. [DOI: 10.1002/marc.201800062] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 03/27/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Pengfei Wei
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology; Beijing 100029 P. R. China
| | - Zuoying Yuan
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology; Beijing 100029 P. R. China
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology; Beijing 100029 P. R. China
| | - Jianping Mao
- Department of Spine Surgery; Beijing Jishuitan Hospital; Beijing 100035 P. R. China
| | - Xiaoping Yang
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology; Beijing 100029 P. R. China
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21
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Martins C, Sousa F, Araújo F, Sarmento B. Functionalizing PLGA and PLGA Derivatives for Drug Delivery and Tissue Regeneration Applications. Adv Healthc Mater 2018; 7. [PMID: 29171928 DOI: 10.1002/adhm.201701035] [Citation(s) in RCA: 141] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 09/27/2017] [Indexed: 12/16/2022]
Abstract
Poly(lactic-co-glycolic) acid (PLGA) is one of the most versatile biomedical polymers, already approved by regulatory authorities to be used in human research and clinics. Due to its valuable characteristics, PLGA can be tailored to acquire desirable features for control bioactive payload or scaffold matrix. Moreover, its chemical modification with other polymers or bioconjugation with molecules may render PLGA with functional properties that make it the Holy Grail among the synthetic polymers to be applied in the biomedical field. In this review, the physical-chemical properties of PLGA, its synthesis, degradation, and conjugation with other polymers or molecules are revised in detail, as well as its applications in drug delivery and regeneration fields. A particular focus is given to successful examples of products already on the market or at the late stages of trials, reinforcing the potential of this polymer in the biomedical field.
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Affiliation(s)
- Cláudia Martins
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
| | - Flávia Sousa
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- ICBAS - Instituto Ciências Biomédicas Abel Salazar; Universidade do Porto; Rua de Jorge Viterbo Ferreira 228 4050-313 Porto Portugal
| | - Francisca Araújo
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
| | - Bruno Sarmento
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- CESPU - Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde; Rua Central de Gandra 1317 4585-116 Gandra Portugal
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22
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Henry N, Clouet J, Fragale A, Griveau L, Chédeville C, Véziers J, Weiss P, Le Bideau J, Guicheux J, Le Visage C. Pullulan microbeads/Si-HPMC hydrogel injectable system for the sustained delivery of GDF-5 and TGF-β1: new insight into intervertebral disc regenerative medicine. Drug Deliv 2017; 24:999-1010. [PMID: 28645219 PMCID: PMC8241148 DOI: 10.1080/10717544.2017.1340362] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/31/2017] [Accepted: 06/06/2017] [Indexed: 12/16/2022] Open
Abstract
Discogenic low back pain is considered a major health concern and no etiological treatments are today available to tackle this disease. To clinically address this issue at early stages, there is a rising interest in the stimulation of local cells by in situ injection of growth factors targeting intervertebral disc (IVD) degenerative process. Despite encouraging safety and tolerability results in clinic, growth factors efficacy may be further improved. To this end, the use of a delivery system allowing a sustained release, while protecting growth factors from degradation appears of particular interest. We propose herein the design of a new injectable biphasic system, based on the association of pullulan microbeads (PMBs) into a cellulose-based hydrogel (Si-HPMC), for the TGF-β1 and GDF-5 growth factors sustained delivery. We present for the first time the design and mechanical characterization of both the PMBs and the called biphasic system (PMBs/Si-HPMC). Their loading and release capacities were also studied and we were able to demonstrate a sustained release of both growth factors, for up to 28 days. Noteworthy, the growth factors biological activity on human cells was maintained. Altogether, these data suggest that this PMBs/Si-HPMC biphasic system may be a promising candidate for the development of an innovative bioactive delivery system for IVD regenerative medicine.
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Affiliation(s)
- Nina Henry
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
| | - Johann Clouet
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
- CHU Nantes, PHU 11 Pharmacie, Pharmacie Centrale, Nantes, France
- UFR Sciences Biologiques et Pharmaceutiques, Université de Nantes, Nantes, France
| | - Audrey Fragale
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
| | - Louise Griveau
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
| | - Claire Chédeville
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
| | - Joëlle Véziers
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
- SC3M platform, UMS INSERM 016/CNRS 3556, SFR François Bonamy, Nantes, France
- CHU Nantes, PHU 4 OTONN, Nantes, France
| | - Pierre Weiss
- UFR Odontologie, Université de Nantes, Nantes, France
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team REGOS “Regenerative Medicine of Bone Tissues”, Nantes, France
| | - Jean Le Bideau
- Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, Nantes, France
| | - Jérôme Guicheux
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
- CHU Nantes, PHU 4 OTONN, Nantes, France
| | - Catherine Le Visage
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
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23
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Singh RS, Kaur N, Rana V, Kennedy JF. Pullulan: A novel molecule for biomedical applications. Carbohydr Polym 2017; 171:102-121. [DOI: 10.1016/j.carbpol.2017.04.089] [Citation(s) in RCA: 165] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 04/26/2017] [Accepted: 04/26/2017] [Indexed: 01/09/2023]
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24
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Maisani M, Pezzoli D, Chassande O, Mantovani D. Cellularizing hydrogel-based scaffolds to repair bone tissue: How to create a physiologically relevant micro-environment? J Tissue Eng 2017; 8:2041731417712073. [PMID: 28634532 PMCID: PMC5467968 DOI: 10.1177/2041731417712073] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 04/26/2017] [Indexed: 12/16/2022] Open
Abstract
Tissue engineering is a promising alternative to autografts or allografts for the regeneration of large bone defects. Cell-free biomaterials with different degrees of sophistication can be used for several therapeutic indications, to stimulate bone repair by the host tissue. However, when osteoprogenitors are not available in the damaged tissue, exogenous cells with an osteoblast differentiation potential must be provided. These cells should have the capacity to colonize the defect and to participate in the building of new bone tissue. To achieve this goal, cells must survive, remain in the defect site, eventually proliferate, and differentiate into mature osteoblasts. A critical issue for these engrafted cells is to be fed by oxygen and nutrients: the transient absence of a vascular network upon implantation is a major challenge for cells to survive in the site of implantation, and different strategies can be followed to promote cell survival under poor oxygen and nutrient supply and to promote rapid vascularization of the defect area. These strategies involve the use of scaffolds designed to create the appropriate micro-environment for cells to survive, proliferate, and differentiate in vitro and in vivo. Hydrogels are an eclectic class of materials that can be easily cellularized and provide effective, minimally invasive approaches to fill bone defects and favor bone tissue regeneration. Furthermore, by playing on their composition and processing, it is possible to obtain biocompatible systems with adequate chemical, biological, and mechanical properties. However, only a good combination of scaffold and cells, possibly with the aid of incorporated growth factors, can lead to successful results in bone regeneration. This review presents the strategies used to design cellularized hydrogel-based systems for bone regeneration, identifying the key parameters of the many different micro-environments created within hydrogels.
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Affiliation(s)
- Mathieu Maisani
- Laboratory for Biomaterials & Bioengineering (CRC-I), Department Min-Met-Materials Engineering & Research Center CHU de Québec, Laval University, Québec City, QC, Canada
- Laboratoire BioTis, Inserm U1026, Université de Bordeaux, Bordeaux, France
| | - Daniele Pezzoli
- Laboratory for Biomaterials & Bioengineering (CRC-I), Department Min-Met-Materials Engineering & Research Center CHU de Québec, Laval University, Québec City, QC, Canada
| | - Olivier Chassande
- Laboratoire BioTis, Inserm U1026, Université de Bordeaux, Bordeaux, France
| | - Diego Mantovani
- Laboratory for Biomaterials & Bioengineering (CRC-I), Department Min-Met-Materials Engineering & Research Center CHU de Québec, Laval University, Québec City, QC, Canada
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25
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Singh RS, Kaur N, Rana V, Kennedy JF. Recent insights on applications of pullulan in tissue engineering. Carbohydr Polym 2016; 153:455-462. [DOI: 10.1016/j.carbpol.2016.07.118] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 07/29/2016] [Accepted: 07/29/2016] [Indexed: 12/20/2022]
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26
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Melrose J. The knee joint loose body as a source of viable autologous human chondrocytes. Eur J Histochem 2016; 60:2645. [PMID: 27349321 PMCID: PMC4933832 DOI: 10.4081/ejh.2016.2645] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 05/05/2016] [Accepted: 05/05/2016] [Indexed: 12/15/2022] Open
Abstract
Loose bodies are fragments of cartilage or bone present in the synovial fluid. In the present study we assessed if loose bodies could be used as a source of autologous human chondrocytes for experimental purposes. Histochemical examination of loose bodies and differential enzymatic digestions were undertaken, the isolated cells were cultured in alginate bead microspheres and immunolocalisations were undertaken for chondrogenic markers such as aggrecan, and type II collagen. Isolated loose body cells had high viability (≥90% viable), expressed chondrogenic markers (aggrecan, type II collagen) but no type I collagen. Loose bodies may be a useful source of autologous chondrocytes of high viability.
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Affiliation(s)
- J Melrose
- Royal North Shore Hospital University of Sydney University of NSW.
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