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Lončarević A, Malbaša Z, Kovačić M, Ostojić K, Angaïts A, Skoko Ž, Szpunar J, Urlić I, Gallego Ferrer G, Rogina A. Copper-zinc/chitosan complex hydrogels: Rheological, degradation and biological properties. Int J Biol Macromol 2023; 251:126373. [PMID: 37595698 DOI: 10.1016/j.ijbiomac.2023.126373] [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: 04/28/2023] [Revised: 07/05/2023] [Accepted: 08/15/2023] [Indexed: 08/20/2023]
Abstract
Polymer hydrogels crosslinked by therapeutic metal ions have attracted increased interest in recent years due to their unique and versatile properties. Chitosan hydrogels are widely investigated for various biomedical applications such as tissue engineering and drug delivery. Copper and zinc ions are considered as therapeutic metal ions, that have important roles in bone regeneration. The aim of this study was to investigate the physicochemical and biological properties of bimetallic-chitosan complex hydrogels with different cupric and zinc ions content. Scanning electron microscopy (SEM) revealed changes in the morphology from the microstructure with larger, tubular pores for aerogels with higher Zn content, to the sheets-like structure with long pores for samples with higher Cu content. FTIR analysis indicated the formation of bimetallic-chitosan aerogels. The obtained X-ray diffraction patterns showed a broadening of chitosan's characteristic diffraction maximum, while characterization of physical properties showed decreased swelling ability and increased shear modulus with higher Cu content. ICP-MS results showed a negligible amount of copper and zinc ions released under physiological conditions during 24 h indicating a strong physical crosslink between metal ions and chitosan chains. Furthermore, accelerated in vitro degradation showed that hydrogels maintained good stability during four weeks of lysozyme activity. The MTT assay indicated that the cytotoxicity of Cu2+-Zn2+/chitosan complexes could be adjusted by the amount of cupric ions. All results imply that Cu2+ and Zn2+ ions act as physical crosslinkers of the polymer network. Also, results are in agreement with the prediction of density functional theory (DFT) which indicated stronger chitosan-Cu tetrahedral aqua complex interactions in comparison to the chitosan-[Zn(H2O)4]2+ interactions.
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Affiliation(s)
- Andrea Lončarević
- University of Zagreb, Faculty of Chemical Engineering and Technology, Trg Marka Marulića 19, HR-10000 Zagreb, Croatia.
| | - Zoran Malbaša
- University of Zagreb, Faculty of Chemical Engineering and Technology, Trg Marka Marulića 19, HR-10000 Zagreb, Croatia.
| | - Marin Kovačić
- University of Zagreb, Faculty of Chemical Engineering and Technology, Trg Marka Marulića 19, HR-10000 Zagreb, Croatia.
| | - Karla Ostojić
- University of Zagreb, Faculty of Science, Department of Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia.
| | - Ange Angaïts
- Institute of Analytical and Physical Chemistry for the Environment and Materials (IPREM), UMR5254 CNRS-University of Pau, Hélioparc, 2, Av. Pr. Angot, 64053 Pau, France.
| | - Željko Skoko
- University of Zagreb, Faculty of Science, Department of Physics, Bijenička c. 32, HR-10000 Zagreb, Croatia.
| | - Joanna Szpunar
- Institute of Analytical and Physical Chemistry for the Environment and Materials (IPREM), UMR5254 CNRS-University of Pau, Hélioparc, 2, Av. Pr. Angot, 64053 Pau, France.
| | - Inga Urlić
- University of Zagreb, Faculty of Science, Department of Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia.
| | - Gloria Gallego Ferrer
- Centre for Biomaterial and Tissue Engineering, Universitat Politècnica de València, Valencia, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valencia, Spain.
| | - Anamarija Rogina
- University of Zagreb, Faculty of Chemical Engineering and Technology, Trg Marka Marulića 19, HR-10000 Zagreb, Croatia.
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Supplemental mineral ions for bone regeneration and osteoporosis treatment. ENGINEERED REGENERATION 2023. [DOI: 10.1016/j.engreg.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
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Clichici A, Filip GA, Achim M, Baldea I, Cristea C, Melinte G, Pana O, Tudoran LB, Dudea D, Stefan R. Characterization and In Vitro Biocompatibility of Two New Bioglasses for Application in Dental Medicine-A Preliminary Study. MATERIALS (BASEL, SWITZERLAND) 2022; 15:9060. [PMID: 36556865 PMCID: PMC9782195 DOI: 10.3390/ma15249060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Bioactive glasses (BGs), also known as bioglasses, are very attractive and versatile materials that are increasingly being used in dentistry. For this study, two new bioglasses-one with boron (BG1) and another with boron and vanadium (BG2)-were synthesized, characterized, and tested on human dysplastic keratinocytes. The in vitro biological properties were evaluated through pH and zeta potential measurement, weight loss, Ca2+ ions released after immersion in phosphate-buffered saline (PBS), and scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS) analysis. Furthermore, biocompatibility was evaluated through quantification of lactate dehydrogenase activity, oxidative stress, transcription factors, and DNA lesions. The results indicate that both BGs presented the same behavior in simulated fluids, characterized by high degradation, fast release of calcium and boron in the environment (especially from BG1), and increased pH and zeta potential. Both BGs reacted with the fluid, particularly BG2, with irregular deposits covering the glass surface. In vitro studies demonstrated that normal doses of the BGs were not cytotoxic to DOK, while high doses reduced cell viability. Both BGs induced oxidative stress and cell membrane damage and enhanced NFkB activation, especially BG1. The BGs down-regulated the expression of NFkB and diminished the DNA damage, suggesting the protective effects of the BGs on cell death and efficacy of DNA repair mechanisms.
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Affiliation(s)
- Andra Clichici
- Department of Propaedeutics and Dental Materials, Faculty of Dental Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Gabriela Adriana Filip
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
| | - Marcela Achim
- Departments of Pharmaceutical Technology and Biopharmaceutics, Iuliu Hatieganu University of Medicine and Pharmacy, 400606 Cluj-Napoca, Romania
| | - Ioana Baldea
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
| | - Cecilia Cristea
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Gheorghe Melinte
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Ovidiu Pana
- National Institute for Research and Development of Isotopic and Molecular Technologies, 400293 Cluj-Napoca, Romania
| | - Lucian Barbu Tudoran
- National Institute for Research and Development of Isotopic and Molecular Technologies, 400293 Cluj-Napoca, Romania
| | - Diana Dudea
- Department of Propaedeutics and Dental Materials, Faculty of Dental Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Razvan Stefan
- Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
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Therapeutic Properties of Vanadium Complexes. INORGANICS 2022. [DOI: 10.3390/inorganics10120244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Vanadium is a hard, silver-grey transition metal found in at least 60 minerals and fossil fuel deposits. Its oxide and other vanadium salts are toxic to humans, but the toxic effects depend on the vanadium form, dose, exposure duration, and route of intoxication. Vanadium is used by some life forms as an active center in enzymes, such as the vanadium bromoperoxidase of ocean algae and nitrogenases of bacteria. The structure and biochemistry of vanadate resemble those of phosphate, hence vanadate can be regarded as a phosphate competitor in a variety of biochemical enzymes such as kinases and phosphatases. In this review, we describe the biochemical pathways regulated by vanadium compounds and their potential therapeutic benefits for a range of disorders including type 2 diabetes, cancer, cardiovascular disease, and microbial pathology.
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Wang N, Meenashisundaram GK, Kandilya D, Fuh JYH, Dheen ST, Kumar AS. A biomechanical evaluation on Cubic, Octet, and TPMS gyroid Ti6Al4V lattice structures fabricated by selective laser melting and the effects of their debris on human osteoblast-like cells. BIOMATERIALS ADVANCES 2022; 137:212829. [PMID: 35929262 DOI: 10.1016/j.bioadv.2022.212829] [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: 03/23/2022] [Revised: 04/20/2022] [Accepted: 04/23/2022] [Indexed: 06/15/2023]
Abstract
Lattice structures are widely used in orthopedic implants due to their unique features, such as high strength-to-weight ratios and adjustable biomechanical properties. Based on the type of unit cell geometry, lattice structures may be classified into two types: strut-based structures and sheet-based structures. In this study, strut-based structures (Cubic & Octet) and sheet-based structure (triply periodic minimal surface (TPMS) gyroid) were investigated. The biomechanical properties of the three different Ti6Al4V lattice structures fabricated by selective laser melting (SLM) were investigated using room temperature compression testing. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX) were used to check the 3D printing quality with regards to defects and quantitative compositional information of 3D printed parts. Experimental results indicated that TPMS gyroid has superior biomechanical properties when compared to Cubic and Octet. Also, TPMS gyroid was found to be less affected by the variations in relative density. The biocompatibility of Ti6Al4V lattice structures was validated through the cytotoxicity test with human osteoblast-like SAOS2 cells. The debris generated during the degradation process in the form of particles and ions is among the primary causes of implant failure over time. In this study, Ti6Al4V particles with spherical and irregular shapes having average particle sizes of 36.5 μm and 28.8 μm, respectively, were used to mimic the actual Ti6Al4V particles to understand their harmful effects better. Also, the effects and amount of Ti6Al4V ions released after immersion within the cell culture media were investigated using the indirect cytotoxicity test and ion release test.
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Affiliation(s)
- Niyou Wang
- Department of Mechanical Engineering, 9 Engineering Drive 1, #07-08 Block EA, National University of Singapore, 117575, Singapore
| | | | - Deepika Kandilya
- Department of Anatomy, 4 Medical Drive, MD10, Yong Loo Lin School of Medicine, National University of Singapore, 117594, Singapore
| | - Jerry Ying Hsi Fuh
- Department of Mechanical Engineering, 9 Engineering Drive 1, #07-08 Block EA, National University of Singapore, 117575, Singapore
| | - S Thameem Dheen
- Department of Anatomy, 4 Medical Drive, MD10, Yong Loo Lin School of Medicine, National University of Singapore, 117594, Singapore
| | - A Senthil Kumar
- Department of Mechanical Engineering, 9 Engineering Drive 1, #07-08 Block EA, National University of Singapore, 117575, Singapore.
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Li J, Li J, Wei Y, Xu N, Li J, Pu X, Wang J, Huang Z, Liao X, Yin G. Ion release behavior of vanadium-doped mesoporous bioactive glass particles and the effect of the released ions on osteogenic differentiation of BMSCs via the FAK/MAPK signaling pathway. J Mater Chem B 2021; 9:7848-7865. [PMID: 34586154 DOI: 10.1039/d1tb01479j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Vanadium is an important trace element in bone and is involved in bone metabolism, bone formation, and bone growth, but the roles of various vanadium ions, especially of pentavalent vanadium, in bone tissue regenerative repair have been underestimated and even misinterpreted for a long time. The main purposes of this study are to investigate the release profile of Si, Ca, P, and V ions from vanadium doped mesoporous bioactive glass (V-MBG) particles and to explore the effect of pentavalent vanadium ions on proliferation and osteogenic differentiation of BMSCs as well as the corresponding osteogenic signaling pathway. On the basis of preparations of V-MBG particles with different pentavalent vanadium contents, the ion release behavior from V-MBG in distilled water and simulated body fluid was systemically investigated. Furthermore, the cytocompatibility and osteogenic effect of V-MBG extracts were studied in rBMSCs, and the related molecular mechanisms were preliminarily discussed. The results of dissolution experiments showed that the V ionic concentration exhibited a burst increase and then a sustained slow increase in the two media. The resultant V ions from 1.0V-MBG, 4.0V-MBG and 10.0V-MBG at 21 days were about 1.1, 5.8, and 12.5 mg L-1 in water, respectively, and 1.6, 4.8 and 12.8 mg L-1 in SBF, respectively. The release behaviors of Si, Ca, P, and V ions were evidently affected by high contents of incorporated vanadium. The cellular results indicated that compared to the control and MBG groups, the V(V) ions in V-MBG extracts at about 19.4 μM markedly promoted the proliferation, the gene and protein expression of BMP-2 and COL-I, and the ALP activity of rBMSCs in non-osteoinductive media, but insignificantly stimulated the OCN protein synthesis. More deeply, V(V) ions at about 19.4 μM significantly upregulated the gene and protein expressions of Itga 2b, FAK, and pERK1/2, demonstrating that V(V) ions could regulate osteogenic differentiation of rBMSCs through the activation of the Itga 2b-FAK-MAPK (pERK1/2) signaling pathway. The in vivo results further confirmed that V-MBG induced and promoted new bone formation in the defect area compared to the PGC and PGC/V-M0 groups. These results would contribute to modify the perception about the biocompatibility and osteogenic promotion of pentavalent vanadium at an appropriate concentration.
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Affiliation(s)
- Jiangfeng Li
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Junying Li
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Yuhao Wei
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Na Xu
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Jingtao Li
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Ximing Pu
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Juan Wang
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Zhongbing Huang
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Xiaoming Liao
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Guangfu Yin
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
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Koyyada A, Orsu P. Natural gum polysaccharides as efficient tissue engineering and drug delivery biopolymers. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102431] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Li J, Liu Y, Zhang Y, Yao B, Enhejirigala, Li Z, Song W, Wang Y, Duan X, Yuan X, Fu X, Huang S. Biophysical and Biochemical Cues of Biomaterials Guide Mesenchymal Stem Cell Behaviors. Front Cell Dev Biol 2021; 9:640388. [PMID: 33842464 PMCID: PMC8027358 DOI: 10.3389/fcell.2021.640388] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/09/2021] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have been widely used in the fields of tissue engineering and regenerative medicine due to their self-renewal capabilities and multipotential differentiation assurance. However, capitalizing on specific factors to precisely guide MSC behaviors is the cornerstone of biomedical applications. Fortunately, several key biophysical and biochemical cues of biomaterials that can synergistically regulate cell behavior have paved the way for the development of cell-instructive biomaterials that serve as delivery vehicles for promoting MSC application prospects. Therefore, the identification of these cues in guiding MSC behavior, including cell migration, proliferation, and differentiation, may be of particular importance for better clinical performance. This review focuses on providing a comprehensive and systematic understanding of biophysical and biochemical cues, as well as the strategic engineering of these signals in current scaffold designs, and we believe that integrating biophysical and biochemical cues in next-generation biomaterials would potentially help functionally regulate MSCs for diverse applications in regenerative medicine and cell therapy in the future.
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Affiliation(s)
- Jianjun Li
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- Department of General Surgery, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yufan Liu
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
| | - Yijie Zhang
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
| | - Bin Yao
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Enhejirigala
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- College of Graduate, Tianjin Medical University, Tianjin, China
- Institute of Basic Medical Research, Inner Mongolia Medical University, Hohhot, China
| | - Zhao Li
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
| | - Wei Song
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
| | - Yuzhen Wang
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- Department of Burn and Plastic Surgery, Air Force Hospital of Chinese PLA Central Theater Command, Datong, China
| | - Xianlan Duan
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Xingyu Yuan
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Xiaobing Fu
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Chinese PLA General Hospital, PLA Medical College, Beijing, China
- Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Sha Huang
- Research Center for Tissue Repair and Regeneration, Medical Innovation Research Department and the Fourth Medical Center, Chinese PLA General Hospital, PLA Medical College, Beijing, China
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Sumayya AS, Muraleedhara Kurup G. In vitro anti-inflammatory potential of marine macromolecules cross-linked bio-composite scaffold on LPS stimulated RAW 264.7 macrophage cells for cartilage tissue engineering applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:1040-1056. [PMID: 33682617 DOI: 10.1080/09205063.2021.1899590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Biomaterials serve as an integral component of tissue engineering. They are designed to provide architectural framework of native extracellular matrix so as to encourage cell growth and eventual tissue regeneration. Naturally occurring biopolymers as scaffolds offer options for cartilage tissue engineering due to anti-inflammatory, biocompatibility, biodegradability, low toxicity of degradation by-products and plasticity in processing into a variety of material formats. Here we studied in vitro anti-inflammatory potential of marine macromolecules cross-linked bio-composite scaffold composed of hydroxyapatite, alginate, chitosan and fucoidan named as HACF on LPS stimulated RAW 264.7 macrophage cells. The effects of HACF on the viability of RAW264.7 cells, nitrite level, intracellular ROS as well as the mRNA levels of NF-κB, iNOS, COX-2, TNF-α, IL-1β and IL-6 were examined in LPS induced RAW264.7 macrophage cells. The results revealed that HACF hydrogel scaffold exerts anti-inflammatory effect by inhibiting the production of ROS, suppress NF-kB translocation to the nucleus and thereby inhibiting the production of inflammatory mediators. Hence, our results confirm that HACF has a strong anti-oxidant capacity to inhibit inflammation associated gene expression by suppressing NF-kB signaling pathway. It clearly reveals the anti-oxidant and anti-inflammatory effect of HACF hydrogel scaffold on LPS induced RAW 264.7 cells.
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Affiliation(s)
- A S Sumayya
- Faculty, Department of Biochemistry, T.K.M. College of Arts and Science, Kollam, India
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Zhao H, Zhang X, Zhou D, Weng Y, Qin W, Pan F, Lv S, Zhao X. Collagen, polycaprolactone and attapulgite composite scaffolds for in vivo bone repair in rabbit models. ACTA ACUST UNITED AC 2020; 15:045022. [PMID: 32224507 DOI: 10.1088/1748-605x/ab843f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Although numerous materials have been explored as bone scaffolds, many of them are limited by their low osteoconductivity and high biodegradability. Therefore, new materials are desired to induce bone cell proliferation and facilitate bone formation. Attapulgite (ATP) is a hydrated silicate that exists in nature as a fibrillar clay mineral and is well known for its large specific surface area, high viscosity, and high absorption capacity, and therefore has the potential to be a new type of bone repair material due to its unique physicochemical properties. In this study, composite scaffolds composed of collagen/polycaprolactone/attapulgite (CPA) or collagen/polycaprolactone (CP) were fabricated through a salt-leaching method. The morphology, composition, microstructure, physical, and mechanical characteristics of the CPA and CP scaffolds were assessed. Cells from the mouse multipotent mesenchymal precursor cell line (D1 cells) were cocultured with the scaffolds, and cell adhesion, proliferation, and gene expression on the CPA and CP scaffolds were analyzed. Adult rabbits with radius defects were used to evaluate the performance of these scaffolds in repairing bone defects over 4-12 weeks. The experimental results showed that the cells demonstrated excellent attachment ability on the CPA scaffolds, as well as remarkable upregulation of the levels of osteoblastic markers such as Runx2, Osterix, collagen 1, osteopontin, and osteocalcin. Furthermore, results from radiography, micro-computed tomography, histological and immunohistochemical analysis demonstrated that abundant new bones were formed on the CPA scaffolds. Ultimately, these results demonstrated that CPA composite scaffolds show excellent potential in bone tissue engineering applications, with the capacity to be used as effective bone regeneration and repair scaffolds in clinical applications.
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Affiliation(s)
- Hongbin Zhao
- Medical Research Centre, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou 213164, People's Republic of China
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Bravi Costantino ML, Cortizo MS, Cortizo AM, Oberti TG. Osteogenic scaffolds based on fumaric/N-isopropylacrylamide copolymers: Designed, properties and biocompatibility studies. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2019.109348] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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O’Neill E, Awale G, Daneshmandi L, Umerah O, Lo KWH. The roles of ions on bone regeneration. Drug Discov Today 2018; 23:879-890. [DOI: 10.1016/j.drudis.2018.01.049] [Citation(s) in RCA: 151] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/04/2018] [Accepted: 01/29/2018] [Indexed: 12/16/2022]
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13
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Glenske K, Donkiewicz P, Köwitsch A, Milosevic-Oljaca N, Rider P, Rofall S, Franke J, Jung O, Smeets R, Schnettler R, Wenisch S, Barbeck M. Applications of Metals for Bone Regeneration. Int J Mol Sci 2018; 19:E826. [PMID: 29534546 PMCID: PMC5877687 DOI: 10.3390/ijms19030826] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 03/09/2018] [Accepted: 03/11/2018] [Indexed: 02/06/2023] Open
Abstract
The regeneration of bone tissue is the main purpose of most therapies in dental medicine. For bone regeneration, calcium phosphate (CaP)-based substitute materials based on natural (allo- and xenografts) and synthetic origins (alloplastic materials) are applied for guiding the regeneration processes. The optimal bone substitute has to act as a substrate for bone ingrowth into a defect, as well as resorb in the time frame needed for complete regeneration up to the condition of restitution ad integrum. In this context, the modes of action of CaP-based substitute materials have been frequently investigated, where it has been shown that such materials strongly influence regenerative processes such as osteoblast growth or differentiation and also osteoclastic resorption due to different physicochemical properties of the materials. However, the material characteristics needed for the required ratio between new bone tissue formation and material degradation has not been found, until now. The addition of different substances such as collagen or growth factors and also of different cell types has already been tested but did not allow for sufficient or prompt application. Moreover, metals or metal ions are used differently as a basis or as supplement for different materials in the field of bone regeneration. Moreover, it has already been shown that different metal ions are integral components of bone tissue, playing functional roles in the physiological cellular environment as well as in the course of bone healing. The present review focuses on frequently used metals as integral parts of materials designed for bone regeneration, with the aim to provide an overview of currently existing knowledge about the effects of metals in the field of bone regeneration.
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Affiliation(s)
- Kristina Glenske
- Clinic of Small Animals, c/o Institute of Veterinary Anatomy, Histology and Embryology, Justus Liebig University of Giessen, D-35392 Giessen, Germany.
| | | | | | - Nada Milosevic-Oljaca
- Clinic of Small Animals, c/o Institute of Veterinary Anatomy, Histology and Embryology, Justus Liebig University of Giessen, D-35392 Giessen, Germany.
| | | | - Sven Rofall
- Botiss Biomaterials, D-12109 Berlin, Germany.
| | - Jörg Franke
- Clinic for Trauma Surgery and Orthopedics, Elbe Kliniken Stade-Buxtehude, D-21682 Stade, Germany.
| | - Ole Jung
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg- Eppendorf, D-20246 Hamburg, Germany.
| | - Ralf Smeets
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg- Eppendorf, D-20246 Hamburg, Germany.
| | | | - Sabine Wenisch
- Clinic of Small Animals, c/o Institute of Veterinary Anatomy, Histology and Embryology, Justus Liebig University of Giessen, D-35392 Giessen, Germany.
| | - Mike Barbeck
- Botiss Biomaterials, D-12109 Berlin, Germany.
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg- Eppendorf, D-20246 Hamburg, Germany.
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14
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Lastra ML, Molinuevo MS, Blaszczyk-Lezak I, Mijangos C, Cortizo MS. Nanostructured fumarate copolymer-chitosan crosslinked scaffold: An in vitro osteochondrogenesis regeneration study. J Biomed Mater Res A 2017; 106:570-579. [PMID: 28984066 DOI: 10.1002/jbm.a.36260] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 08/25/2017] [Accepted: 09/08/2017] [Indexed: 12/12/2022]
Abstract
In the tissue engineering field, the design of the scaffold inspired on the natural occurring tissue is of vital importance. Ideally, the scaffold surface must promote cell growth and differentiation, while promote angiogenesis in the in vivo implant of the scaffold. On the other hand, the material selection must be biocompatible and the degradation times should meet tissue reparation times. In the present work, we developed a nanofibrous scaffold based on chitosan crosslinked with diisopropylfumarate-vinyl acetate copolymer using anodized aluminum oxide (AAO) templates. We have previously demonstrated its biocompatibility properties with low cytotoxicity and proper degradation times. Now, we extended our studies to demonstrate that it can be successfully nanostructured using the AAO templates methodology, obtaining a nanorod-like scaffold with a diameter comparable to those of collagen fibers of the bone matrix (170 and 300 nm). The nanorods obtained presented a very homogeneous pattern in diameter and length, and supports cell attachment and growth. We also found that both osteoblastic and chondroblastic matrix production were promoted on bone marrow progenitor cells and primary condrocytes growing on the scaffolds, respectively. In addition, the nanostructured scaffold presented no cytotoxicity as it was evaluated using a model of macrophages on culture. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 570-579, 2018.
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Affiliation(s)
- María Laura Lastra
- Laboratorio de Investigación en Osteopatías y Metabolismo Mineral (LIOMM), Facultad de Ciencias Exactas, UNLP, 47 y 115, 1900, La Plata, Argentina.,Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata, CC16 suc. 4, 1900, La Plata, Argentina
| | - María Silvina Molinuevo
- Laboratorio de Investigación en Osteopatías y Metabolismo Mineral (LIOMM), Facultad de Ciencias Exactas, UNLP, 47 y 115, 1900, La Plata, Argentina
| | - Iwona Blaszczyk-Lezak
- Instituto de Ciencia y Tecnología de Polímeros, CSIC, Juan de la Cierva 3, Madrid, 28006, España
| | - Carmen Mijangos
- Instituto de Ciencia y Tecnología de Polímeros, CSIC, Juan de la Cierva 3, Madrid, 28006, España
| | - María Susana Cortizo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata, CC16 suc. 4, 1900, La Plata, Argentina
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