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Galgaro BC, Beckenkamp LR, Naasani LIS, Wink MR. Adenosine metabolism by mesenchymal stromal cells isolated from different human tissues. Hum Cell 2023; 36:2247-2258. [PMID: 37535223 DOI: 10.1007/s13577-023-00957-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/18/2023] [Indexed: 08/04/2023]
Abstract
Mesenchymal stromal cells (MSCs) have unique biological properties and play important functions, which make them attractive tools for cell-based therapies. The basic mechanisms of these cells are not fully understood. However, the adenosinergic pathway contributes to the main effects attributed to MSCs. Adenosine is a highly immunosuppressive molecule and exerts a central role in inflammation by neutralizing the proinflammatory ATP influence. This nucleoside is produced by purinergic signaling, an important physiological pathway for MSCs, which involves proliferation, migration, differentiation, and apoptosis. Therefore, in this study, we analyzed the extracellular AMP hydrolysis and consequent adenosine production, as well as the expression of CD73 and adenosine receptors on the cell surface of MSCs isolated from different human tissues: dermis (D-MSCs), adipose tissue (AD-MSCs), and umbilical cord (UC-MSCs). All cells confirmed their multipotent capacity by adipogenic, osteogenic, and chondrogenic differentiation, as well as the expression of cell surface markers including CD44 + , CD105 + , and CD90 + . All MSCs expressed similar levels of CD73 and CD26 without a statistical difference among the different tissues, whereas ADA expression was lower in AD-MSCs. In addition, A1R and A3R mRNA levels were higher in D-MSCs and AD-MSCs, respectively. Enzymatic assay showed that AD-MSCs have the highest hydrolysis rate of AMP, leading to increased amount of adenosine production. Moreover, despite all MSCs completely hydrolyze extracellular AMP generating adenosine, the pattern of nucleosides metabolism was different. Therefore, although MSCs share certain characteristics as the multilineage potential and immunophenotype, they show different adenosinergic profiles according to tissue origin.
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Affiliation(s)
- Bruna Campos Galgaro
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - Liziane Raquel Beckenkamp
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - Liliana I Sous Naasani
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - Márcia Rosângela Wink
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre, UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil.
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2
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The Local Release of Teriparatide Incorporated in 45S5 Bioglass Promotes a Beneficial Effect on Osteogenic Cells and Bone Repair in Calvarial Defects in Ovariectomized Rats. J Funct Biomater 2023; 14:jfb14020093. [PMID: 36826892 PMCID: PMC9964758 DOI: 10.3390/jfb14020093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/24/2023] [Accepted: 02/01/2023] [Indexed: 02/11/2023] Open
Abstract
With the increase in the population's life expectancy, there has also been an increase in the rate of osteoporosis, which has expanded the search for strategies to regenerate bone tissue. The ultrasonic sonochemical technique was chosen for the functionalization of the 45S5 bioglass. The samples after the sonochemical process were divided into (a) functionalized bioglass (BG) and (b) functionalized bioglass with 10% teriparatide (BGT). Isolated mesenchymal cells (hMSC) from femurs of ovariectomized rats were differentiated into osteoblasts and submitted to in vitro tests. Bilateral ovariectomy (OVX) and sham ovariectomy (Sham) surgeries were performed in fifty-five female Wistar rats. After a period of 60 days, critical bone defects of 5.0 mm were created in the calvaria of these animals. For biomechanical evaluation, critical bone defects of 3.0 mm were performed in the tibias of some of these rats. The groups were divided into the clot (control) group, the BG group, and the BGT group. After the sonochemical process, the samples showed modified chemical topographic and morphological characteristics, indicating that the surface was chemically altered by the functionalization of the particles. The cell environment was conducive to cell adhesion and differentiation, and the BG and BGT groups did not show cytotoxicity. In addition, the experimental groups exhibited characteristics of new bone formation with the presence of bone tissue in both periods, with the BGT group and the OVX group statistically differing from the other groups (p < 0.05) in both periods. Local treatment with the drug teriparatide in ovariectomized animals promoted positive effects on bone tissue, and longitudinal studies should be carried out to provide additional information on the biological performance of the mutual action between the bioglass and the release of the drug teriparatide.
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3
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Fievet L, Serratrice N, Brulin B, Giraudo L, Véran J, Degardin N, Sabatier F, Féron F, Layrolle P. A Comparative In Vitro and In Vivo Study of Osteogenicity by Using Two Biomaterials and Two Human Mesenchymal Stem Cell Subtypes. Front Cell Dev Biol 2022; 10:913539. [PMID: 35712655 PMCID: PMC9195506 DOI: 10.3389/fcell.2022.913539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/09/2022] [Indexed: 11/27/2022] Open
Abstract
Background: Bone repair induced by stem cells and biomaterials may represent an alternative to autologous bone grafting. Mesenchymal stromal/stem cells (MSCs), easily accessible in every human, are prototypical cells that can be tested, alone or with a biomaterial, for creating new osteoblasts. The aim of this study was to compare the efficiency of two biomaterials—biphasic calcium phosphate (BCP) and bioactive glass (BG)—when loaded with either adult bone marrow mesenchymal stem cells (BMMSCs) or newborn nasal ecto-mesenchymal stem cells (NE-MSCs), the latter being collected for further repair of lip cleft-associated bone loss. Materials and Methods: BMMSCs were collected from two adults and NE-MSCs from two newborn infants. An in vitro study was performed in order to determine the best experimental conditions for adhesion, viability, proliferation and osteoblastic differentiation on BCP or BG granules. Bone-associated morphological changes and gene expression modifications were quantified using histological and molecular techniques. The in vivo study was based on the subcutaneous implantation in nude mice of the biomaterials, loaded or not with one of the two cell types. Eight weeks after, bone formation was assessed using histological and electron microscopy techniques. Results: Both cell types—BMMSC and NE-MSC—display the typical stem cell surface markers—CD73+, CD90+, CD105+, nestin - and exhibit the MSC-associated osteogenic, chondrogenic and adipogenic multipotency. NE-MSCs produce less collagen and alkaline phosphatase than BMMSCs. At the transcript level, NE-MSCs express more abundantly three genes coding for bone sialoprotein, osteocalcin and osteopontin while BMMSCs produce extra copies of RunX2. BMMSCs and NE-MSCs adhere and survive on BCP and BG. In vivo experiments reveal that bone formation is only observed with BMMSCs transplanted on BCP biomaterial. Conclusion: Although belonging to the same superfamily of mesenchymal stem cells, BMMSCs and NE-MSCs exhibit striking differences, in vitro and in vivo. For future clinical applications, the association of BMMSCs with BCP biomaterial seems to be the most promising.
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Affiliation(s)
- L Fievet
- Department of Pediatric Surgery, Centre Hospitalier Régional Henri Duffaut, Avignon, France
| | - N Serratrice
- Department of Neurosurgery, La Timone Hospital, Assistance Publique-Hôpitaux de Marseille, Marseille, France.,APHM, Culture and Cell Therapy Laboratory, Inserm CBT-1409, Centre d'Investigations Cliniques en Biothérapies, Marseille, France
| | - B Brulin
- INSERM, UMR 1238, PHY-OS, Bone Sarcomas and Remodeling of Calcified Tissues, Faculty of Medicine, Nantes University Nantes, Nantes, France
| | - L Giraudo
- APHM, Culture and Cell Therapy Laboratory, Inserm CBT-1409, Centre d'Investigations Cliniques en Biothérapies, Marseille, France
| | - J Véran
- APHM, Culture and Cell Therapy Laboratory, Inserm CBT-1409, Centre d'Investigations Cliniques en Biothérapies, Marseille, France
| | - N Degardin
- Department of Pediatric Surgery, La Timone Enfant Hospital, Assistance Publique-Hôpitaux de Marseille, Marseille, France
| | - F Sabatier
- APHM, Culture and Cell Therapy Laboratory, Inserm CBT-1409, Centre d'Investigations Cliniques en Biothérapies, Marseille, France
| | - F Féron
- APHM, Culture and Cell Therapy Laboratory, Inserm CBT-1409, Centre d'Investigations Cliniques en Biothérapies, Marseille, France.,Aix Marseille University, CNRS, INP, Marseille, France
| | - P Layrolle
- INSERM, UMR 1238, PHY-OS, Bone Sarcomas and Remodeling of Calcified Tissues, Faculty of Medicine, Nantes University Nantes, Nantes, France
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4
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Bioactive Bilayer Glass Coating on Porous Titanium Substrates with Enhanced Biofunctional and Tribomechanical Behavior. COATINGS 2022. [DOI: 10.3390/coatings12020245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The use of porous titanium samples fabricated by space-holder powder metallurgy with bioactive coatings has already been reported to prevent resorption of the bone surrounding the implant and improve osseointegration, respectively. However, the presence of pores as well as the poor adherence and the brittle behavior inherent to glassy coatings affect the service behavior of implants fabricated from these samples. Therefore, they need to be optimized. In this work, 50 vol.% of porosity titanium substrates were manufactured with different pore range size (100–200 and 355–500 µm) spacer particles and coated with a bilayer of bioactive glasses (45S5/1393). The effect of the pores on the tribomechanical properties and infiltration of the bioactive glass 1393 along with the bioactivity of the bioactive glass 45S5 were evaluated by instrumented micro-indentation and scratch tests and the formation of hydroxyapatite in simulated body fluid. The results obtained were very promising as potential implants for the replacement of small tumors in cortical bone tissues, mainly due to the smaller pores that present an improved biomechanical and biofunctional balance.
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Zhang K, Chai B, Ji H, Chen L, Ma Y, Zhu L, Xu J, Wu Y, Lan Y, Li H, Feng Z, Xiao J, Zhang H, Xu K. Bioglass promotes wound healing by inhibiting endothelial cell pyroptosis through regulation of the connexin 43/reactive oxygen species (ROS) signaling pathway. J Transl Med 2022; 102:90-101. [PMID: 34521991 DOI: 10.1038/s41374-021-00675-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/22/2021] [Accepted: 08/30/2021] [Indexed: 11/08/2022] Open
Abstract
Bioactive glass (BG) has recently shown great promise in soft tissue repair, especially in wound healing; however, the underlying mechanism remains unclear. Pyroptosis is a novel type of programmed cell death that is involved in various traumatic injury diseases. Here, we hypothesized that BG may promote wound healing through suppression of pyroptosis. To test this scenario, we investigated the possible effect of BG on pyroptosis in wound healing both in vivo and in vitro. This study showed that BG can accelerate wound closure, granulation formation, collagen deposition, and angiogenesis. Moreover, western blot analysis and immunofluorescence staining revealed that BG inhibited the expression of pyroptosis-related proteins in vivo and in vitro. In addition, while BG regulated the expression of connexin43 (Cx43), it inhibited reactive oxygen species (ROS) production. Cx43 activation and inhibition experiments further indicate that BG inhibited pyroptosis in endothelial cells by decreasing Cx43 expression and ROS levels. Taken together, these studies suggest that BG promotes wound healing by inhibiting pyroptosis via Cx43/ROS signaling pathway.
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Affiliation(s)
- Kailun Zhang
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China
| | - Bo Chai
- School of Pharmaceutical Sciences, Wenzhou Wound Repair and Regeneration Key Laboratory, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, China
| | - Hao Ji
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China
| | - Liuqing Chen
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China
| | - Yanbing Ma
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China
| | - Lifei Zhu
- School of Pharmaceutical Sciences, Wenzhou Wound Repair and Regeneration Key Laboratory, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, China
| | - Jingyu Xu
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China
| | - Yanqing Wu
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China
| | - Yinan Lan
- Department of Orthopedic Surgery, Lishui Central Hospital, The Fifth Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Hao Li
- Department of Orthopedics Surgery, Lishui People's Hospital, The sixth affiliated hospital of Wenzhou medical university, Lishui, Zhejiang, China
| | - Zhiguo Feng
- School of Pharmaceutical Sciences, Wenzhou Wound Repair and Regeneration Key Laboratory, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, China
| | - Jian Xiao
- School of Pharmaceutical Sciences, Wenzhou Wound Repair and Regeneration Key Laboratory, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, China.
| | - Hongyu Zhang
- School of Pharmaceutical Sciences, Wenzhou Wound Repair and Regeneration Key Laboratory, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, China.
| | - Ke Xu
- Institute of Life Sciences, Engineering Laboratory of Zhejiang province for pharmaceutical development of growth factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou University, Zhejiang, China.
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Kang TY, Seo JY, Ryu JH, Kim KM, Kwon JS. Improvement of the mechanical and biological properties of bioactive glasses by the addition of zirconium oxide (ZrO 2 ) as a synthetic bone graft substitute. J Biomed Mater Res A 2021; 109:1196-1208. [PMID: 33012133 DOI: 10.1002/jbm.a.37113] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 09/27/2020] [Accepted: 10/02/2020] [Indexed: 11/08/2022]
Abstract
In this study, mechanical properties of bioactive glass (BAG) synthetic bone graft substitute was improved by containing ZrO2 (ZrO2 -BAG), while maintaining advantageous biological properties of BAG such as osteoinductive and osteoconductive properties. The ZrO2 -BAG was produced by adding ZrO2 in the following proportions to replace Na2 O in 45S5 BAG: 1% (Zr1-BAG), 3% (Zr3-BAG), 6% (Zr6-BAG), and 12% (Zr12-BAG). Properties including XRD, XPS, SEM, DSC, fracture toughness, and Vickers microhardness were evaluated. To assess the biological properties, Ca/P apatite formation, ion release, degradation rate, cell proliferation, ALP activity (ALP), and alizarin red S staining assay (ARS) were evaluated. Also, expression of osteogenic differentiation markers, Osteopontin (OPN), confirmed by immunofluorescence staining. Finally, an in vivo test was carried out to by implanting ZrO2 -BAG into the subcutaneous tissue of rats. The results of each test were statistically analyzed with one-way ANOVA followed by Tukey's post hoc statistical test. Amorphous ZrO2 -BAG was successfully produced with increased mechanical properties as the ZrO2 content was increased. Additionally, ZrO2 -BAG exhibited a slower ion release and degradation rate compare to BAG without ZrO2 . Bioactivity of ZrO2 -BAG was confirmed with apatite layer formed on the surface, significantly higher proliferation rate and significantly enhanced ALP and the degree of ARS of the cells compare to respective controls. The tissue reactions observed in the in vivo study showed neo-formed vessels after implantation of ZrO2 -BAG.
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Affiliation(s)
- Tae-Yun Kang
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul, South Korea
- Brain Korea 21 PLUS Project, Yonsei University College of Dentistry, Seoul, South Korea
| | - Ji-Young Seo
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul, South Korea
| | - Jeong-Hyun Ryu
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul, South Korea
- Brain Korea 21 PLUS Project, Yonsei University College of Dentistry, Seoul, South Korea
| | - Kwang-Mahn Kim
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul, South Korea
- Brain Korea 21 PLUS Project, Yonsei University College of Dentistry, Seoul, South Korea
| | - Jae-Sung Kwon
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul, South Korea
- Brain Korea 21 PLUS Project, Yonsei University College of Dentistry, Seoul, South Korea
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7
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Beckenkamp LR, da Fontoura DMS, Korb VG, de Campos RP, Onzi GR, Iser IC, Bertoni APS, Sévigny J, Lenz G, Wink MR. Immortalization of Mesenchymal Stromal Cells by TERT Affects Adenosine Metabolism and Impairs their Immunosuppressive Capacity. Stem Cell Rev Rep 2021; 16:776-791. [PMID: 32556945 DOI: 10.1007/s12015-020-09986-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mesenchymal stromal cells (MSCs) are promising candidates for cell-based therapies, mainly due to their unique biological properties such as multipotency, self-renewal and trophic/immunomodulatory effects. However, clinical use has proven complex due to limitations such as high variability of MSCs preparations and high number of cells required for therapies. These challenges could be circumvented with cell immortalization through genetic manipulation, and although many studies show that such approaches are safe, little is known about changes in other biological properties and functions of MSCs. In this study, we evaluated the impact of MSCs immortalization with the TERT gene on the purinergic system, which has emerged as a key modulator in a wide variety of pathophysiological conditions. After cell immortalization, MSCs-TERT displayed similar immunophenotypic profile and differentiation potential to primary MSCs. However, analysis of gene and protein expression exposed important alterations in the purinergic signaling of in vitro cultured MSCs-TERT. Immortalized cells upregulated the CD39/NTPDase1 enzyme and downregulated CD73/NT5E and adenosine deaminase (ADA), which had a direct impact on their nucleotide/nucleoside metabolism profile. Despite these alterations, adenosine did not accumulate in the extracellular space, due to increased uptake. MSCs-TERT cells presented an impaired in vitro immunosuppressive potential, as observed in an assay of co-culture with lymphocytes. Therefore, our data suggest that MSCs-TERT have altered expression of key enzymes of the extracellular nucleotides/nucleoside control, which altered key characteristics of these cells and can potentially change their therapeutic effects in tissue engineering in regenerative medicine.
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Affiliation(s)
- L R Beckenkamp
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre- UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - D M S da Fontoura
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre- UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - V G Korb
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre- UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - R P de Campos
- Department of Biophysics and Center of Biotechnology, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - G R Onzi
- Department of Biophysics and Center of Biotechnology, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - I C Iser
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre- UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - A P S Bertoni
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre- UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil
| | - J Sévigny
- Département de Microbiologie-Infectiologie et d'Immunologie, Faculté de Médecine, Université Laval, Québec city, QC, G1V 0A6, Canada.,Centre de recherche du CHU de Québec, Université Laval, Québec city, QC, G1V 4G2, Canada
| | - G Lenz
- Department of Biophysics and Center of Biotechnology, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Márcia Rosângela Wink
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre- UFCSPA, Rua Sarmento Leite, 245, Porto Alegre, RS, CEP 90050-170, Brazil.
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Marczewski M, Jurczyk MU, Kowalski K, Miklaszewski A, Wirstlein PK, Jurczyk M. Composite and Surface Functionalization of Ultrafine-Grained Ti23Zr25Nb Alloy for Medical Applications. MATERIALS 2020; 13:ma13225252. [PMID: 33233693 PMCID: PMC7699683 DOI: 10.3390/ma13225252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/06/2020] [Accepted: 11/18/2020] [Indexed: 12/26/2022]
Abstract
In this study, the ultrafine-grained Ti23Zr25Nb-based composites with 45S5 Bioglass and Ag, Cu, or Zn additions were produced by application of the mechanical alloying technique. Additionally, the base Ti23Zr25Nb alloy was electrochemically modified in the two stages of processing: electrochemical etching in the solution of H3PO4 and HF followed by electrochemical deposition in Ca(NO3)2, (NH4)2HPO4, and HCl. The in vitro cytocompatibility studies were also done with comparison to the commercially pure titanium. The established cell lines of Normal Human Osteoblasts (NHost, CC-2538) and Human Periodontal Ligament Fibroblasts (HPdLF, CC-7049) were used. The culture was conducted among the tested materials. Ultrafine-grained titanium-based composites modified with 45S5 Bioglass and Ag, Cu, or Zn metals have higher biocompatibility than the reference material in the form of a microcrystalline Ti. Proliferation activity was at a stable level with contact with studied materials. In vitro evaluation research showed that the ultrafine-grained Ti23Zr25Nb-based composites with 45S5 Bioglass and Ag, Cu, or Zn additions, with a Young modulus below 50 GPa, can be further used in the biomedical field.
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Affiliation(s)
- Mateusz Marczewski
- Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawła II 24, 61-138 Poznan, Poland; (K.K.); (A.M.); (M.J.)
- Correspondence: ; Tel.: +48-61-665-3508
| | - Mieczysława U. Jurczyk
- Division of Mother’s and Child’s Health, Poznan University of Medical Sciences, Polna 33, 60-535 Poznan, Poland;
| | - Kamil Kowalski
- Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawła II 24, 61-138 Poznan, Poland; (K.K.); (A.M.); (M.J.)
| | - Andrzej Miklaszewski
- Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawła II 24, 61-138 Poznan, Poland; (K.K.); (A.M.); (M.J.)
| | - Przemysław K. Wirstlein
- Department of Gynaecology and Obstetrics, Division of Reproduction, Poznan University of Medical Sciences, Polna 33, 60-535 Poznan, Poland;
| | - Mieczysław Jurczyk
- Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawła II 24, 61-138 Poznan, Poland; (K.K.); (A.M.); (M.J.)
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9
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Vedovatto S, Facchini JC, Batista RK, Paim TC, Lionzo MIZ, Wink MR. Development of chitosan, gelatin and liposome film and analysis of its biocompatibility in vitro. Int J Biol Macromol 2020; 160:750-757. [PMID: 32479938 DOI: 10.1016/j.ijbiomac.2020.05.229] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/17/2020] [Accepted: 05/26/2020] [Indexed: 01/16/2023]
Abstract
A film of chitosan, gelatin and liposome has been designed for dermatological applications. Several adaptations were required throughout development to facilitate in vitro analysis, physicochemical characterization and biocompatibility evaluation. The final version of the film was characterized by differential scanning calorimetry, evaluation of swelling and scanning electron microscopy. The biocompatibility of the film was assessed by investigating cellular parameters of three types of human cells by direct contact or through films extracts: I) primary culture of adipose-derived mesenchymal stromal cells (ADCSs) and melanoma cell lines were used to test cell adhesion and morphology by direct cell culture on the material; II) ADSCs and immortalized keratinocytes were used in cell viability assay using different films extracts. The film showed physicochemical characteristics that favored cellular input, being suitable for in vitro analysis, which allowed its biocompatible characteristics such as the absence of toxicity to be verified without causing significant morphological changes in ADSCs and melanoma cell line. Altogether, these results suggest that the material has a potential application for drug delivery and promotion of skin tissue repair and is therefore worthwhile for further investigations using preclinical models to cover dermal lesions.
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Affiliation(s)
- Samlai Vedovatto
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Jordano C Facchini
- Laboratório de Farmacociências, Departamento de Farmacociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Raquel K Batista
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Thaís C Paim
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Maria Ismenia Z Lionzo
- Laboratório de Farmacociências, Departamento de Farmacociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Márcia R Wink
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil.
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10
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Paim TC, Wermuth DP, Bertaco I, Zanatelli C, Naasani LIS, Slaviero M, Driemeier D, Schaeffer L, Wink MR. Evaluation of in vitro and in vivo biocompatibility of iron produced by powder metallurgy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 115:111129. [PMID: 32600726 DOI: 10.1016/j.msec.2020.111129] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/22/2020] [Accepted: 05/26/2020] [Indexed: 02/07/2023]
Abstract
Biodegradable metallic materials (BMMs) are expected to corrode gradually in vivo after providing the structural support to the tissue during its regeneration and healing processes. These characteristics make them promising candidates for use in stents. These endoprostheses are produced from metal alloys by casting and thermomechanical treatment. Since porous alloys and metals have less corrosion resistance than dense ones, the use of powder metallurgy becomes an option to produce them. Among the metals, iron has been proposed as a material in the manufacturing of stents because of its mechanical properties. However, even then it is unclear what toxicity threshold is safe to the body. Thus, the objective of this research was to verify the biocompatibility of sintered 99.95% and 99.5% pure iron by powder metallurgy in vitro with Adipose-derived mesenchymal stromal cells (ADSCs) and in vivo with a Wistar rat model. Herein, characterizations of iron powder samples produced by the powder metallurgy and the process parameters as compression pressure, atmosphere, sintering time and temperature were determined to evaluate the potential of production of biodegradable implants. The samples obtained from pure iron were submitted to tests of green and sintered density, porosity, microhardness, hardness and metallography. The biocompatibility study was performed by indirect and direct cell culture with iron. The effects of corrosion products of iron on morphology, viability, and proliferation of ADSCs were evaluated in vitro. Hemolysis assay was performed to verify the hemocompatibility of the samples. In vivo biocompatibility was evaluated after pure iron discs were implanted subcutaneously into the dorsal area of Wistar rats that were followed up to 6 months. The results presented in this paper validated the potential to produce biodegradable medical implants by powder metallurgy. Both iron samples were hemocompatible and biocompatible in vitro and in vivo, although the 99.95% iron had better performance in vitro than 99.5%.
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Affiliation(s)
- Thaís Casagrande Paim
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite 245, 90050-170 Porto Alegre, RS, Brazil
| | - Diego Pacheco Wermuth
- Laboratório de Transformação Mecânica, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, 91501-970 Porto Alegre, RS, Brazil
| | - Isadora Bertaco
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite 245, 90050-170 Porto Alegre, RS, Brazil
| | - Carla Zanatelli
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite 245, 90050-170 Porto Alegre, RS, Brazil
| | - Liliana Ivet Sous Naasani
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite 245, 90050-170 Porto Alegre, RS, Brazil
| | - Mônica Slaviero
- Setor de Patologia Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, 91540-000 Porto Alegre, RS, Brazil
| | - David Driemeier
- Setor de Patologia Veterinária, Faculdade de Veterinária (FAVET), Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, 91540-000 Porto Alegre, RS, Brazil
| | - Lirio Schaeffer
- Laboratório de Transformação Mecânica, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, 91501-970 Porto Alegre, RS, Brazil
| | - Márcia Rosângela Wink
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite 245, 90050-170 Porto Alegre, RS, Brazil.
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Bioactive Glass as a Nanoporous Drug Delivery System for Teicoplanin. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10072595] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Bioactive glass (BG) was made by the sol–gel method and doped with boron (B) to increase its bioactivity. Microstructures of BG and B-doped BG were observed by scanning electron microscopy, and phase identification was performed using an X-ray diffraction diffractometer. The ion concentrations released after soaking in simulated body fluid (SBF) for 1, 4, and 7 days were measured by inductively coupled plasma mass spectrometry, and the pH value of the SBF was measured after soaking samples to determine the variation in the environment. Brunauer–Emmett–Teller (BET) analysis was performed to further verify the characteristics of mesoporous structures. High performance liquid chromatography was used to evaluate the drug delivery ability of teicoplanin. Results demonstrated that B-doped BG performed significantly better than BG in parameters assessed by the BET analysis. B-doped BG has nanopores and more rough structures, which is advantageous for drug delivery as there are more porous structures available for drug adsorption. Moreover, B-doped BG was shown to be effective for keeping pH values stable and releasing B ions during soaking in SBF. The cumulative release of teicoplanin from BG and B-doped BG reached 20.09% and 3.17% on the first day, respectively. The drug release gradually slowed, reaching 29.43% and 4.83% after 7 days, respectively. The results demonstrate that the proposed bioactive glass has potential as a drug delivery system.
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