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Miteva M, Mihaylova Z, Mitev V, Aleksiev E, Stanimirov P, Praskova M, Dimitrova VS, Vasileva A, Calenic B, Constantinescu I, Perlea P, Ishkitiev N. A Review of Stem Cell Attributes Derived from the Oral Cavity. Int Dent J 2024:S0020-6539(24)00093-5. [PMID: 38582718 DOI: 10.1016/j.identj.2024.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/29/2024] [Accepted: 03/12/2024] [Indexed: 04/08/2024] Open
Abstract
Oral cavity stem cells (OCSCs) have been the focus of intense scientific efforts due to their accessibility and stem cell properties. The present work aims to compare the different characteristics of 6 types of dental stem cells derived from the oral cavity: dental pulp stem cells (DPSC), stem cells from human exfoliated deciduous teeth (SHED), periodontal ligament stem cells (PDLSC), stem cells from the apical papilla (SCAP), bone marrow mesenchymal stem cells (BMSC), and gingival mesenchymal stem cells (GMSC). Using immunofluorescence and real-time polymerase chain reaction techniques, we analysed the cells for stem cell, differentiation, adhesion, and extracellular matrix markers; the ability to proliferate in vitro; and multilineage differentiation potential. Markers such as vimentin, CD44, alkaline phosphatase, CD146, CD271, CD49f, Oct 3/4, Sox 9, FGF7, nestin, and BMP4 showed significant differences in expression levels, highlighting the heterogeneity and unique characteristics of each cell type. At the same time, we confirmed that all cell types successfully differentiated into osteogenic, chondrogenic, or adipose lineages, with different readiness. In conclusion, our study reveals the distinct properties and potential applications of various dental-derived stem cells. These findings contribute to a deeper understanding of OCSCs and their significance in future clinical applications.
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Affiliation(s)
- Marina Miteva
- Department of Chemistry and Biochemistry, Medical Faculty, Medical University Sofia, Bulgaria
| | - Zornitsa Mihaylova
- Department of Dental, Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Medical University Sofia, Bulgaria
| | - Vanyo Mitev
- Department of Chemistry and Biochemistry, Medical Faculty, Medical University Sofia, Bulgaria
| | - Evgeniy Aleksiev
- Department of Dental, Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Medical University Sofia, Bulgaria
| | - Pavel Stanimirov
- Department of Dental, Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Medical University Sofia, Bulgaria
| | - Maria Praskova
- Department of Chemistry and Biochemistry, Medical Faculty, Medical University Sofia, Bulgaria
| | - Violeta S Dimitrova
- Department of Chemistry and Biochemistry, Medical Faculty, Medical University Sofia, Bulgaria
| | - Anelia Vasileva
- Department of Chemistry and Biochemistry, Medical Faculty, Medical University Sofia, Bulgaria
| | - Bogdan Calenic
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, University of Medicine and Farmacy "Carol Davila," Bucharest, Romania.
| | - Ileana Constantinescu
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, University of Medicine and Farmacy "Carol Davila," Bucharest, Romania
| | - Paula Perlea
- Department of Endodontics, UMF Carol Davila, Bucharest, Romania.
| | - Nikolay Ishkitiev
- Department of Chemistry and Biochemistry, Medical Faculty, Medical University Sofia, Bulgaria
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2
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Lopresti F, Campora S, Rigogliuso S, Nicosia A, Lo Cicero A, Di Marco C, Tornabene S, Ghersi G, La Carrubba V. Improvement of Osteogenic Differentiation of Mouse Pre-Osteoblastic MC3T3-E1 Cells on Core-Shell Polylactic Acid/Chitosan Electrospun Scaffolds for Bone Defect Repair. Int J Mol Sci 2024; 25:2507. [PMID: 38473755 DOI: 10.3390/ijms25052507] [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: 02/05/2024] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024] Open
Abstract
Electrospun hybrid scaffolds composed of synthetic and natural polymers have gained increasing interest in tissue engineering applications over the last decade. In this work, scaffolds composed of polylactic acid electrospun fibers, either treated (P-PLA) or non-treated (PLA) with air-plasma, were coated with high molecular weight chitosan to create a core-shell microfibrous structure. The effective thickness control of the chitosan layer was confirmed by gravimetric, spectroscopic (FTIR-ATR) and morphological (SEM) investigations. The chitosan coating increased the fiber diameter of the microfibrous scaffolds while the tensile mechanical tests, conducted in dry and wet environments, showed a reinforcing action of the coating layer on the scaffolds, in particular when deposited on P-PLA samples. The stability of the Chi coating on both PLA and P-PLA substrates was confirmed by gravimetric analysis, while their mineralization capacity was evaluated though scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS) after immersing the scaffolds in simulated body fluids (SBF) at 37 °C for 1 week. Sample biocompatibility was investigated through cell viability assay and SEM analysis on mouse pre-osteoblastic MC3T3-E1 cells grown on scaffolds at different times (1, 7, 14 and 21 days). Finally, Alizarin Red assay and qPCR analysis suggested that the combination of plasma treatment and chitosan coating on PLA electrospun scaffolds influences the osteoblastic differentiation of MC3T3-E1 cells, thus demonstrating the great potential of P-PLA/chitosan hybrid scaffolds for bone tissue engineering applications.
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Affiliation(s)
- Francesco Lopresti
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
| | - Simona Campora
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Salvatrice Rigogliuso
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Aldo Nicosia
- Institute for Biomedical Research and Innovation, Italian National Research Council (IRIB-CNR), 90146 Palermo, Italy
| | - Alessandra Lo Cicero
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Chiara Di Marco
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
| | - Salvatore Tornabene
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
| | - Giulio Ghersi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
- Abiel s.r.l, via Enzo ed Elvira Sellerio, 50, 90141 Palermo, Italy
| | - Vincenzo La Carrubba
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
- ATeN Center, University of Palermo, Viale delle Scienze, Ed. 18A, 90128 Palermo, Italy
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Kim HB, Kang MH, Baik KY, Kim JE, Park SB, Choung PH, Chung JH. Integration of blue light with near-infrared irradiation accelerates the osteogenic differentiation of human dental pulp stem cells. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 245:112752. [PMID: 37451155 DOI: 10.1016/j.jphotobiol.2023.112752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 06/02/2023] [Accepted: 06/26/2023] [Indexed: 07/18/2023]
Abstract
Blue light is used less in photobiomodulation than red or near-infrared light because of concerns about its high energy. However, some reports have suggested that blue light releases NO from nitrosated proteins, affects cell signal regulation, and promotes stem cell differentiation. Because blue and red lights could have different mechanisms of action, their combination is expected to have new consequences. In this study, human dental pulp stem cells (hDPSCs) were sequentially exposed to blue and near-infrared light to study their effects on proliferation, osteogenic differentiation, and immunomodulation. We found that NIR irradiation applied after blue light can reduce blue light toxicity improving the cell viabiltiy. Delayed luminescence and transmission electron microscopy studies showed that this combination excited hDPSCs and activated mitochondrial biogenesis. Those modulations accelerated hDPSC differentiation, as shown by an increase of about 1.3-fold in alkaline phosphatase activity in vitro and an about 1.5-fold increase in the osteocalcin-positive regions in cells implanted in nude mice compared with mice exposed to near-infrared alone.
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Affiliation(s)
- Hong Bae Kim
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Moon-Ho Kang
- Department of Oral and Maxillofacial Surgery and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Republic of Korea
| | - Ku Youn Baik
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea.
| | - Jae Eun Kim
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Sang Bae Park
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Pill-Hoon Choung
- Department of Oral and Maxillofacial Surgery and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Republic of Korea
| | - Jong Hoon Chung
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea; Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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Jeong SH, Nguyen KT, Nguyen MT, You JS, Kim BH, Choe HC, Ahn SG. DMP1 and IFITM5 Regulate Osteogenic Differentiation of MC3T3-E1 on PEO-Treated Ti-6Al-4V-Ca 2+/P i surface. ACS Biomater Sci Eng 2023; 9:1377-1390. [PMID: 36802481 DOI: 10.1021/acsbiomaterials.2c01296] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Despite numerous studies on various surface modifications on titanium and its alloys, it remains unclear what kind of titanium-based surface modifications are capable of controlling cell activity. This study aimed to understand the mechanism at the cellular and molecular levels and investigate the in vitro response of osteoblastic MC3T3-E1 cultured on the Ti-6Al-4V surface modified by plasma electrolytic oxidation (PEO) treatment. A Ti-6Al-4V surface was prepared by PEO at 180, 280, and 380 V for 3 or 10 min in an electrolyte containing Ca2+/Pi ions. Our results showed that PEO-treated Ti-6Al-4V-Ca2+/Pi surfaces enhanced the cell attachment and differentiation of MC3T3-E1 compared to the untreated Ti-6Al-4V control but did not affect cytotoxicity as shown by cell proliferation and cell death. Interestingly, on the Ti-6Al-4V-Ca2+/Pi surface treated by PEO at 280 V for 3 or 10 min, MC3T3-E1 showed a higher initial adhesion and mineralization. In addition, the alkaline phosphatase (ALP) activity significantly increased in MC3T3-E1 on the PEO-treated Ti-6Al-4V-Ca2+/Pi (280 V for 3 or 10 min). In RNA-seq analysis, the expression of dentin matrix protein 1 (DMP1), sortilin 1 (Sort1), signal-induced proliferation-associated 1 like 2 (SIPA1L2), and interferon-induced transmembrane protein 5 (IFITM5) was induced during the osteogenic differentiation of MC3T3-E1 on the PEO-treated Ti-6Al-4V-Ca2+/Pi. DMP1 and IFITM5 silencing decreased the expression of bone differentiation-related mRNAs and proteins and ALP activity in MC3T3-E1. These results suggest that the PEO-treated Ti-6Al-4V-Ca2+/Pi surface induces osteoblast differentiation by regulating the expression of DMP1 and IFITM5. Therefore, surface microstructure modification through PEO coatings with Ca2+/Pi ions could be used as a valuable method to improve biocompatibility properties of titanium alloys.
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Affiliation(s)
- Se-Ho Jeong
- Department of Pathology, School of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
| | - Khanh Toan Nguyen
- Department of Pathology, School of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
| | - Manh Tuong Nguyen
- Department of Pathology, School of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
| | - Jae-Seek You
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
| | - Byung-Hoon Kim
- Advanced Functional Surface and Biomaterials Research Lab, Department of Dental Materials and Research Center of Surface Control for Oral Tissue Regeneration (BRL Center of NRF), College of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
| | - Han-Cheol Choe
- Advanced Functional Surface and Biomaterials Research Lab, Department of Dental Materials and Research Center of Surface Control for Oral Tissue Regeneration (BRL Center of NRF), College of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
| | - Sang-Gun Ahn
- Department of Pathology, School of Dentistry, Chosun University, Gwangju 61452, Republic of Korea
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Kornsuthisopon C, Tompkins KA, Osathanon T. Tideglusib enhances odontogenic differentiation in human dental pulp stem cells in vitro. Int Endod J 2023; 56:369-384. [PMID: 36458950 DOI: 10.1111/iej.13877] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/03/2022]
Abstract
AIM Tideglusib is a small molecule agonist of the canonical Wnt pathway. The present study investigated the influence of Tideglusib on human dental pulp stem cell (hDPSC) proliferation, apoptosis, migration and odonto/osteogenic differentiation. METHODOLOGY hDPSCs were treated with 50, 100 nM or 200 nM Tideglusib. β-catenin accumulation was detected by immunofluorescence staining. Colony-forming unit ability was assessed by staining with Coomassie blue. Cell cycle progression and cell apoptosis were investigated using flow cytometry. Cell migration was examined using an in vitro wound-healing assay. Osteogenic differentiation was examined using alkaline phosphatase (ALP) staining, alizarin red S staining and osteogenic-related gene expression. The gene expression profile was examined using a high-throughput RNA sequencing technique. All experiments were repeated using cells derived from at least four different donors (n = 4). The Mann-Whitney U-test was used to identify significant differences between two independent group comparisons. For three or more group comparisons, statistical differences were assessed using the Kruskal-Wallis test followed by pairwise comparison. The significance level was set at 5% (p < .05). RESULTS Tideglusib activated the Wnt signalling pathway in hDPSCs as demonstrated by an increase in cytoplasmic β-catenin accumulation and nuclear translocation. Tideglusib did not affect hDPSC proliferation, cell cycle progression, cell apoptosis or cell migration. In contrast, 50 and 100 nM Tideglusib significantly enhanced mineralization and osteogenic marker gene expression (RUNX2, ALP, BMP2 and DSPP; p < .05). CONCLUSIONS Tideglusib enhanced the odonto/osteogenic differentiation of hDPSCs. Therefore, incorporating this bioactive molecule in a pulp-capping material could be a promising strategy to promote dentine repair.
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Affiliation(s)
- Chatvadee Kornsuthisopon
- Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Kevin A Tompkins
- Office of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Thanaphum Osathanon
- Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Office of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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6
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Bartlett CL, Ralefatane MG, Cave EM, Crowther NJ, Ferris WF. Differential glycosylation of tissue non-specific alkaline phosphatase in mesenchymal stromal cells differentiated into either an osteoblastic or adipocytic phenotype. Exp Cell Res 2022; 421:113372. [PMID: 36167106 DOI: 10.1016/j.yexcr.2022.113372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 12/29/2022]
Abstract
It has long been known that tissue non-specific alkaline phosphatase (TNAP) is essential for the correct formation of bone, as altered expression or function of this enzyme results in hypophosphatasia, a disease characterised by compromised bone structure, density and strength. However, recent evidence strongly suggests that the enzyme also has a role in lipid accrual and adipogenesis, a function that seems far removed from bone formation. Given that mesenchymal stromal cells (MSCs) are progenitors of both osteoblasts and adipocytes, the question arises of how TNAP is regulated to potentially have a different function when MSCs undergo either osteogenesis or adipogenesis. As the primary protein sequence is unchanged for the enzyme during both types of differentiation, any differences in function must be attributed to post-translational modification and/or localisation. We therefore examined the location of TNAP in bone- or adipose-derived MSCs differentiated into an adipocytic phenotype and compared the glycosylation state of the enzyme in MSCs differentiated into either osteoblasts or adipocytes. TNAP was found to co-locate with perilipin around lipid droplets in MSCs from bone, subcutaneous- and visceral adipose tissue during adipocytic differentiation. Treatment of TNAP with wheat germ lectin followed by electrophoresis showed minor differences in glycosylation between the phosphatase isolated from cells from these tissues, whereas electrophoresis after neuraminidase digestion highlighted differential glycosylation between cell types and during adipogenesis and osteoblastogenesis. This infers that post-translational modification of TNAP is altered during differentiation and is dependent on the eventual phenotype of the cells.
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Affiliation(s)
- Cara-Lesley Bartlett
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, University of Stellenbosch, South Africa
| | - Maile George Ralefatane
- Department of Chemical Pathology, University of the Witwatersrand Faculty of Health Sciences, Johannesburg, South Africa
| | - Eleanor Margaret Cave
- Department of Chemical Pathology, University of the Witwatersrand Faculty of Health Sciences, Johannesburg, South Africa
| | - Nigel John Crowther
- Department of Chemical Pathology, University of the Witwatersrand Faculty of Health Sciences, Johannesburg, South Africa; Department of Chemical Pathology, National Health Laboratory Service, Johannesburg, South Africa
| | - William Frank Ferris
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, University of Stellenbosch, South Africa.
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7
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Chen X, Liu Y, Zhao Y, Ouyang Z, Zhou H, Li L, Li L, Li F, Xie X, Hill RG, Wang S, Chen X. Halide-containing bioactive glasses enhance osteogenesis in vitro and in vivo. BIOMATERIALS ADVANCES 2022; 143:213173. [PMID: 36356468 DOI: 10.1016/j.bioadv.2022.213173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 10/17/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
The application of bone substitutes to reconstruct bone defects is a strategy for repairing alveolar bone loss caused by periodontal disease. Bioactive glasses (BGs) are attractive synthetic bone substitutes owing to their abilities to degrade, form bone-like mineral and stimulate bone regeneration. Our previous studies showed that the incorporation of fluoride into alkali-free bioactive silicate glass promoted osteogenesis to some extent in vitro, while the incorporation of chloride facilitated glass degradation and accelerated the formation of hydroxyapatite. However, whether there is a synergistic effect of incorporating fluoride and chloride on further enhancement of osteogenesis and angiogenesis in vitro and in vivo was not known. Therefore, we synthesized three halide-containing BGs with fluoride only, or chloride only, or mixed fluoride and chloride, investigated their physicochemical properties and osteogenic and angiogenic effects both in vitro and in vivo. The results showed that the addition of both fluoride and chloride in a bioactive silicate glass could combine the structural roles of both, leading to a faster apatite formation than the glass with the presence of fluoride only and a more stable fluorapatite formation than the glass with the presence of chloride only, which formed hydroxyapatite upon immersion. The studied BGs were cytocompatible, as suggested by the cytotoxicity evaluation of hPDLSCs cultivated in the extracted BGs-conditioned culture media. More importantly, these BGs stimulated osteogenic differentiation of hPDLSCs without adding growth factors as indicated by the fact that BGs-conditioned media up-regulated the expression of BMP-2, OPN and VEGF of hPDLSCs and promoted the formation of bone nodules and collagen in vitro. By comparison, the incorporation of fluoride facilitated the expression of osteogenic-related biomarkers and bone nodule formation preferentially, while the incorporation of chloride induced the expression of angiogenic-related biomarkers and collagen formation. The in vivo investigation results demonstrated that the developed halide-containing BGs accelerated the process of bone regeneration, while the glass with mixed fluoride and chloride showed the most significant promotion effect among the three BGs. Therefore, our findings revealed a synergistic effect of incorporating fluoride and chloride into a BG on osteogenesis and angiogenesis in vitro and in vivo and highlighted the potential of fluoride and chloride containing bioactive glasses being bone substitutes for clinical use.
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Affiliation(s)
- Xiaojing Chen
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China; Academician Workstation for Oral-maxillofacial and Regenerative Medicine, Central South University, Changsha 410008, Hunan, China.
| | - Yuting Liu
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Yue Zhao
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Zechi Ouyang
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Hongbo Zhou
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Lisha Li
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Long Li
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Fenghua Li
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Xiaoli Xie
- Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China; Xiangya Stomatological Hospital, Central South University, Changsha 410008, Hunan, China; Hunan Key Laboratory of Oral Health Research, Central South University, Changsha 410008, Hunan, China
| | - Robert G Hill
- Institute of Dentistry, Dental Physical Sciences Unit, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, UK
| | - Songlin Wang
- Academician Workstation for Oral-maxillofacial and Regenerative Medicine, Central South University, Changsha 410008, Hunan, China; Beijing Laboratory of Oral Health, Capital Medical University, Beijing 100069, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China.
| | - Xiaohui Chen
- Division of Dentistry, School of Medical Sciences, The University of Manchester, Manchester, UK.
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Kang D, Lee YB, Yang GH, Choi E, Nam Y, Lee JS, Lee K, Kim KS, Yeo M, Yoon GS, An S, Jeon H. FeS 2-incorporated 3D PCL scaffold improves new bone formation and neovascularization in a rat calvarial defect model. Int J Bioprint 2022; 9:636. [PMID: 36844239 PMCID: PMC9947485 DOI: 10.18063/ijb.v9i1.636] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/02/2022] [Indexed: 11/06/2022] Open
Abstract
199Three-dimensional (3D) scaffolds composed of various biomaterials, including metals, ceramics, and synthetic polymers, have been widely used to regenerate bone defects. However, these materials possess clear downsides, which prevent bone regeneration. Therefore, composite scaffolds have been developed to compensate these disadvantages and achieve synergetic effects. In this study, a naturally occurring biomineral, FeS2, was incorporated in PCL scaffolds to enhance the mechanical properties, which would in turn influence the biological characteristics. The composite scaffolds consisting of different weight fractions of FeS2 were 3D printed and compared to pure PCL scaffold. The surface roughness (5.77-fold) and the compressive strength (3.38-fold) of the PCL scaffold was remarkably enhanced in a dose-dependent manner. The in vivo results showed that the group with PCL/ FeS2 scaffold implanted had increased neovascularization and bone formation (2.9-fold). These results demonstrated that the FeS2 incorporated PCL scaffold might be an effective bioimplant for bone tissue regeneration.
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Affiliation(s)
- Donggu Kang
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc., Ansan, Gyeonggi-Do, 15588, South Korea
| | - Yoon Bum Lee
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Dong-gu, Daegu 41061, South Korea
| | - Gi Hoon Yang
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc., Ansan, Gyeonggi-Do, 15588, South Korea
| | - Eunjeong Choi
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc., Ansan, Gyeonggi-Do, 15588, South Korea
| | - Yoonju Nam
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc., Ansan, Gyeonggi-Do, 15588, South Korea
| | - Jeong-Seok Lee
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc., Ansan, Gyeonggi-Do, 15588, South Korea
| | - KyoungHo Lee
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Dong-gu, Daegu 41061, South Korea
| | - Kil Soo Kim
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Dong-gu, Daegu 41061, South Korea,College of Veterinary Medicine, Kyungpook National University, Daegu 41566, South Korea
| | - MyungGu Yeo
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Dong-gu, Daegu 41061, South Korea
| | - Gil-Sang Yoon
- Molds & Dies Technology R&D Group, Korea Institute of Industrial Technology (KITECH), Bucheonsi, Gyeonggi-Do, 14441, South Korea
| | - SangHyun An
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Dong-gu, Daegu 41061, South Korea,Corresponding authors: Sang-Hyun An () Hojun Jeon ()
| | - Hojun Jeon
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc., Ansan, Gyeonggi-Do, 15588, South Korea,Corresponding authors: Sang-Hyun An () Hojun Jeon ()
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9
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Stager MA, Thomas SM, Rotello-Kuri N, Payne KA, Krebs MD. Polyelectrolyte Complex Hydrogels with Controlled Mechanics Affect Mesenchymal Stem Cell Differentiation Relevant to Growth Plate Injuries. Macromol Biosci 2022; 22:e2200126. [PMID: 35836324 PMCID: PMC9481665 DOI: 10.1002/mabi.202200126] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/03/2022] [Indexed: 11/07/2022]
Abstract
The growth plate is a complex cartilage structure in long bones that mediates growth in children. When injured, the formation of a "bony bar" can occur which impedes normal growth and can cause angular deformities or growth arrest. Current treatments for growth plate injuries are limited and result in poor patient outcomes, necessitating research toward novel treatments that can prevent bony bar formation and stimulate cartilage regeneration. This study investigates alginate-chitosan polyelectrolyte complex (PEC) hydrogels as an injectable biomaterial system to prevent bony bar formation. Biomaterial properties including stiffness and degradation are quantified, and the effect that material properties have on mesenchymal stem cell (MSC) fate is quantified in vitro. Specifically, this study aims to elucidate the effectiveness of biomaterial-based control over the differentiation behavior of MSCs toward osteogenic or chondrogenic lineages using biochemical metabolite assays and quantitative real time PCR. Further, the PEC hydrogels are employed in a rat growth plate injury model to determine their effectiveness in preventing bony bar formation in vivo. Results indicate that hydrogel composition and material properties affect the differentiation tendency of MSCs in vitro, and the PEC hydrogels show promise as an injectable biomaterial for growth plate injuries.
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Affiliation(s)
- Michael A Stager
- Department of Chemical and Biological Engineering, Colorado School of Mines, Golden, CO, 80401, USA
| | - Stacey M Thomas
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Nicholas Rotello-Kuri
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Karin A Payne
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Melissa D Krebs
- Department of Chemical and Biological Engineering, Colorado School of Mines, Golden, CO, 80401, USA
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10
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Physiological Mineralization during In Vitro Osteogenesis in a Biomimetic Spheroid Culture Model. Cells 2022; 11:cells11172702. [PMID: 36078105 PMCID: PMC9454617 DOI: 10.3390/cells11172702] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 08/22/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
Bone health-targeting drug development strategies still largely rely on inferior 2D in vitro screenings. We aimed at developing a scaffold-free progenitor cell-based 3D biomineralization model for more physiological high-throughput screenings. MC3T3-E1 pre-osteoblasts were cultured in α-MEM with 10% FCS, at 37 °C and 5% CO2 for up to 28 days, in non-adherent V-shaped plates to form uniformly sized 3D spheroids. Osteogenic differentiation was induced by 10 mM β-glycerophosphate and 50 µg/mL ascorbic acid. Mineralization stages were assessed through studying expression of marker genes, alkaline phosphatase activity, and calcium deposition by histochemistry. Mineralization quality was evaluated by Fourier transformed infrared (FTIR) and scanning electron microscopic (SEM) analyses and quantified by micro-CT analyses. Expression profiles of selected early- and late-stage osteoblast differentiation markers indicated a well-developed 3D biomineralization process with strongly upregulated Col1a1, Bglap and Alpl mRNA levels and type I collagen- and osteocalcin-positive immunohistochemistry (IHC). A dynamic biomineralization process with increasing mineral densities was observed during the second half of the culture period. SEM–Energy-Dispersive X-ray analyses (EDX) and FTIR ultimately confirmed a native bone-like hydroxyapatite mineral deposition ex vivo. We thus established a robust and versatile biomimetic, and high-throughput compatible, cost-efficient spheroid culture model with a native bone-like mineralization for improved pharmacological ex vivo screenings.
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11
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Bartlett CL, Cave EM, Crowther NJ, Ferris WF. A new perspective on the function of Tissue Non-Specific Alkaline Phosphatase: from bone mineralization to intra-cellular lipid accumulation. Mol Cell Biochem 2022; 477:2093-2106. [PMID: 35471716 DOI: 10.1007/s11010-022-04429-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 03/31/2022] [Indexed: 11/29/2022]
Abstract
Tissue-nonspecific alkaline phosphatase (TNAP) is one of four isozymes, which include germ cell, placental and intestinal alkaline phosphatases. The TNAP isozyme has 3 isoforms (liver, bone and kidney) which differ by tissue expression and glycosylation pattern. Despite a long history of investigation, the exact function of TNAP in many tissues is largely unknown. Only the bone isoform has been well characterised during mineralization where the enzyme hydrolyses pyrophosphate to inorganic phosphate, which combines with calcium to form hydroxyapatite crystals deposited as new bone. The inorganic phosphate also increases gene expression of proteins that support tissue mineralization. Recent studies have shown that TNAP is expressed in preadipocytes from several species, and that inhibition of TNAP activity causes attenuation of intracellular lipid accumulation in these and other lipid-storing cells. The mechanism by which TNAP stimulates lipid accumulation is not known; however, proteins that are important for controlling phosphate levels in bone are also expressed in adipocytes. This review examines the evidence that inorganic phosphate generated by TNAP promotes transcription that enhances the expression of the regulators of lipid storage and consequently, that TNAP has a major function of lipid metabolism.
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Affiliation(s)
- Cara-Lesley Bartlett
- Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa
| | - Eleanor Margaret Cave
- Department of Chemical Pathology, University of the Witwatersrand Faculty of Health Sciences, Johannesburg, South Africa
| | - Nigel John Crowther
- Department of Chemical Pathology, University of the Witwatersrand Faculty of Health Sciences, Johannesburg, South Africa.,Department of Chemical Pathology, National Health Laboratory Service, Johannesburg, South Africa
| | - William Frank Ferris
- Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa.
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12
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Hydroxyapatite Use in Spine Surgery—Molecular and Clinical Aspect. MATERIALS 2022; 15:ma15082906. [PMID: 35454598 PMCID: PMC9030649 DOI: 10.3390/ma15082906] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 04/03/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022]
Abstract
Hydroxyapatite possesses desirable properties as a scaffold in tissue engineering: it is biocompatible at a site of implantation, and it is degradable to non-toxic products. Moreover, its porosity enables infiltration of cells, nutrients and waste products. The outcome of hydroxyapatite implantation highly depends on the extent of the host immune response. Authors emphasise major roles of the chemical, morphological and physical properties of the surface of biomaterial used. A number of techniques have been applied to transform the theoretical osteoconductive features of HAp into spinal fusion systems—from integration of HAp with autograft to synthetic intervertebral implants. The most popular uses of HAp in spine surgery include implants (ACDF), bone grafts in posterolateral lumbar fusion and transpedicular screws coating. In the past, autologous bone graft has been used as an intervertebral cage in ACDF. Due to the morbidity related to autograft harvesting from the iliac bone, a synthetic cage with osteoconductive material such as hydroxyapatite seems to be a good alternative. Regarding posterolateral lumbar fusion, it requires the graft to induce new bone growth and reinforce fusion between the vertebrae. Hydroxyapatite formulations have shown good results in that field. Moreover, the HAp coating has proven to be an efficient method of increasing screw fixation strength. It can decrease the risk of complications such as screw loosening after pedicle screw fixation in osteoporotic patients. The purpose of this literature review is to describe in vivo reaction to HAp implants and to summarise its current application in spine surgery.
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13
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Kadekar S, Barbe L, Stoddart M, Varghese OP, Tenje M, Mestres G. Effect of the Addition Frequency of 5-Azacytidine in Both Micro- and Macroscale Cultures. Cell Mol Bioeng 2021; 14:121-130. [PMID: 33633814 PMCID: PMC7878657 DOI: 10.1007/s12195-020-00654-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 09/24/2020] [Indexed: 12/26/2022] Open
Abstract
INTRODUCTION Human mesenchymal stem cells (hMSCs) have a great clinical potential for tissue regeneration purposes due to its multilineage capability. Previous studies have reported that a single addition of 5-azacytidine (5-AzaC) causes the differentiation of hMSCs towards a myocardial lineage. The aim of this work was to evaluate the effect of 5-AzaC addition frequency on hMSCs priming (i.e., indicating an early genetic differentiation) using two culture environments. METHODS hMSCs were supplemented with 5-AzaC while cultured in well plates and in microfluidic chips. The impact of 5-AzaC concentration (10 and 20 μM) and addition frequency (once, daily or continuously), as well as of culture period (2 or 5 days) on the genetic upregulation of PPARγ (adipocytes), PAX3 (myoblasts), SOX9 (chondrocytes) and RUNX2 (osteoblasts) was evaluated. RESULTS Daily delivering 5-AzaC caused a higher upregulation of PPARγ, SOX9 and RUNX2 in comparison to a single dose delivery, both under static well plates and dynamic microfluidic cultures. A particularly high gene expression of PPARγ (tenfold-change) could indicate priming of hMSCs towards adipocytes. CONCLUSIONS Both macro- and microscale cultures provided results with similar trends, where addition frequency of 5-AzaC was a crucial factor to upregulate several genes. Microfluidics technology was proven to be a suitable platform for the continuous delivery of a drug and could be used for screening purposes in tissue engineering research.
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Affiliation(s)
- Sandeep Kadekar
- Department of Chemistry-Ångström Laboratory, Uppsala University, 751 21 Uppsala, Sweden
| | - Laurent Barbe
- Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, Box 35, 751 03 Uppsala, Sweden
| | | | - Oommen P. Varghese
- Department of Chemistry-Ångström Laboratory, Uppsala University, 751 21 Uppsala, Sweden
| | - Maria Tenje
- Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, Box 35, 751 03 Uppsala, Sweden
| | - Gemma Mestres
- Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, Box 35, 751 03 Uppsala, Sweden
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14
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Establishment and Characterization of a Sclerosing Spindle Cell Rhabdomyosarcoma Cell Line with a Complex Genomic Profile. Cells 2020; 9:cells9122668. [PMID: 33322555 PMCID: PMC7763666 DOI: 10.3390/cells9122668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/29/2020] [Accepted: 12/05/2020] [Indexed: 02/07/2023] Open
Abstract
Sclerosing spindle cell rhabdomyosarcoma (SSRMS) is a rare rhabdomyosarcomas (RMS) subtype. Especially cases bearing a myogenic differentiation 1 (MYOD1) mutation are characterized by a high recurrence and metastasis rate, often leading to a fatal outcome. SSRMS cell lines are valuable in vitro models for studying disease mechanisms and for the preclinical evaluation of new therapeutic approaches. In this study, a cell line established from a primary SSRMS tumor of a 24-year-old female after multimodal chemotherapeutic pretreatment has been characterized in detail, including immunohistochemistry, growth characteristics, cytogenetic analysis, mutation analysis, evaluation of stem cell marker expression, differentiation potential, and tumorigenicity in mice. The cell line which was designated SRH exhibited a complex genomic profile, including several translocations and deletions. Array-comparative genomic hybridization (CGH) revealed an overall predominating loss of gene loci. The mesenchymal tumor origin was underlined by the expression of mesenchymal markers and potential to undergo adipogenic and osteogenic differentiation. Despite myogenic marker expression, terminal myogenic differentiation was inhibited, which might be elicited by the MYOD1 hotspot mutation. In vivo tumorigenicity could be confirmed after subcutaneous injection into NOD/SCID/γcnull mice. Summarized, the SRH cell line is the first adult SSRMS cell line available for preclinical research on this rare RMS subtype.
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15
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Kannan S, Ghosh J, Dhara SK. Osteogenic differentiation potential of porcine bone marrow mesenchymal stem cell subpopulations selected in different basal media. Biol Open 2020; 9:bio053280. [PMID: 32973080 PMCID: PMC7595700 DOI: 10.1242/bio.053280] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 09/09/2020] [Indexed: 12/25/2022] Open
Abstract
Multipotent porcine mesenchymal stem cells (pMSC) are invaluable for research and therapeutic use in regenerative medicine. Media used for derivation and expansion of pMSC may play an important role for the selection of MSC subpopulation at an early stage and thereby, the specific basal medium may also affect differentiation potential of these cells. The present study was undertaken to evaluate the effects of αMEM, aDMEM, M199, αMEM/M199, aDMEM/M199 and αMEM/aDMEM media on (1) porcine bone marrow MSC derivation; (2) expression of number of osteogenic markers (ALP, COL1A1, SPP1 and BGLAP) at 5th and 10th passage in pMSC before differentiation; and (3) differentiation of pMSC (at 5th passage) to osteogenic lineage. Morphological changes and matrix formation in osteogenic cells were evaluated by microscopic examination. Calcium deposits in osteocytes were confirmed by Alizarin Red S staining. Based on expression of different markers, it was evident that selection of bone marrow pMSC subpopulations was independent of basal media used. However, the differentiation of those pMSCs, specifically to osteogenic lineage, was dependent on the medium used for expansion of pMSC at the pre-differentiation stage. We demonstrated here that the pMSC grown in combined αMEM/aDMEM (1:1) medium expressed number of osteogenic markers and these pMSC underwent osteogenic differentiation most efficiently, in comparison to porcine mesenchymal stem cells grown in other media. In conclusion, osteogenic differentiation potential of pMSC maintained in αMEM/aDMEM medium was observed significantly higher compared to cells cultivated in other media and therefore, the combined medium αMEM/aDMEM (1:1) may preferentially be used for expansion of pMSC, if needed for osteogenic differentiation.
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Affiliation(s)
- Sangeetha Kannan
- Department of Biotechnology, Jain University, Bangalore 560011, Karnataka, India
| | - Jyotirmoy Ghosh
- Molecular Biology Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, Karnataka, India
| | - Sujoy K Dhara
- Stem Cell Laboratory, Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh 243122, India
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16
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Hack T, Bertram S, Blair H, Börger V, Büsche G, Denson L, Fruth E, Giebel B, Heidenreich O, Klein-Hitpass L, Kollipara L, Sendker S, Sickmann A, Walter C, von Neuhoff N, Hanenberg H, Reinhardt D, Schneider M, Rasche M. Exposure of Patient-Derived Mesenchymal Stromal Cells to TGFB1 Supports Fibrosis Induction in a Pediatric Acute Megakaryoblastic Leukemia Model. Mol Cancer Res 2020; 18:1603-1612. [PMID: 32641517 DOI: 10.1158/1541-7786.mcr-20-0091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 05/06/2020] [Accepted: 07/02/2020] [Indexed: 11/16/2022]
Abstract
Bone marrow fibrosis (BMF) is a rare complication in acute leukemia. In pediatrics, it predominantly occurs in acute megakaryoblastic leukemia (AMKL) and especially in patients with trisomy 21, called myeloid leukemia in Down syndrome (ML-DS). Defects in mesenchymal stromal cells (MSC) and cytokines specifically released by the myeloid blasts are thought to be the main drivers of fibrosis in the bone marrow niche (BMN). To model the BMN of pediatric patients with AMKL in mice, we first established MSCs from pediatric patients with AMKL (n = 5) and ML-DS (n = 9). Healthy donor control MSCs (n = 6) were generated from unaffected children and adolescents ≤18 years of age. Steady-state analyses of the MSCs revealed that patient-derived MSCs exhibited decreased adipogenic differentiation potential and enrichment of proliferation-associated genes. Importantly, TGFB1 exposure in vitro promoted early profibrotic changes in all three MSC entities. To study BMF induction for longer periods of time, we created an in vivo humanized artificial BMN subcutaneously in immunodeficient NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ mice, using a mixture of MSCs, human umbilical vein endothelial cell, and Matrigel. Injection of AMKL blasts as producers of TGFB1 into this BMN after 8 weeks induced fibrosis grade I/II in a dose-dependent fashion over a time period of 4 weeks. Thus, our study developed a humanized mouse model that will be instrumental to specifically examine leukemogenesis and therapeutic targets for AMKL blasts in future. IMPLICATIONS: TGFB1 supports fibrosis induction in a pediatric AMKL model generated with patient-derived MSCs. VISUAL OVERVIEW: http://mcr.aacrjournals.org/content/molcanres/18/10/1603/F1.large.jpg.
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Affiliation(s)
- Theresa Hack
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Stefanie Bertram
- Department of Pathology, University Hospital Essen, Essen, Germany
| | - Helen Blair
- Wolfson Childhood Cancer Research Centre, Translation and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Verena Börger
- Institute for Transfusion Medicine, University Hospital Essen, Essen, Germany
| | - Guntram Büsche
- Department of Pathology, Hannover Medical School, Hannover, Germany
| | - Lora Denson
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Enrico Fruth
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Bernd Giebel
- Institute for Transfusion Medicine, University Hospital Essen, Essen, Germany
| | - Olaf Heidenreich
- Wolfson Childhood Cancer Research Centre, Translation and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | | | | | - Stephanie Sendker
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Albert Sickmann
- Leibniz-Institut für Analytische Wissenschaften-ISAS-e.V., Dortmund, Germany
- Department of Chemistry, College of Physical Sciences, University of Aberdeen, Aberdeen, Scotland, United Kingdom
- Medizinische Fakultät, Medizinische Proteom-Center (MPC), Ruhr-Universität Bochum, Bochum, Germany
| | - Christiane Walter
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Nils von Neuhoff
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Helmut Hanenberg
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
- Department of Otorhinolaryngology and Head/Neck Surgery, Heinrich Heine University, Düsseldorf, Germany
| | - Dirk Reinhardt
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany
| | - Markus Schneider
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany.
| | - Mareike Rasche
- Department of Pediatric Hematology and Oncology, University Children's Hospital Essen, Essen, Germany.
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17
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Childs PG, Reid S, Salmeron-Sanchez M, Dalby MJ. Hurdles to uptake of mesenchymal stem cells and their progenitors in therapeutic products. Biochem J 2020; 477:3349-3366. [PMID: 32941644 PMCID: PMC7505558 DOI: 10.1042/bcj20190382] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/15/2020] [Accepted: 08/24/2020] [Indexed: 12/11/2022]
Abstract
Twenty-five years have passed since the first clinical trial utilising mesenchymal stomal/stem cells (MSCs) in 1995. In this time academic research has grown our understanding of MSC biochemistry and our ability to manipulate these cells in vitro using chemical, biomaterial, and mechanical methods. Research has been emboldened by the promise that MSCs can treat illness and repair damaged tissues through their capacity for immunomodulation and differentiation. Since 1995, 31 therapeutic products containing MSCs and/or progenitors have reached the market with the level of in vitro manipulation varying significantly. In this review, we summarise existing therapeutic products containing MSCs or mesenchymal progenitor cells and examine the challenges faced when developing new therapeutic products. Successful progression to clinical trial, and ultimately market, requires a thorough understanding of these hurdles at the earliest stages of in vitro pre-clinical development. It is beneficial to understand the health economic benefit for a new product and the reimbursement potential within various healthcare systems. Pre-clinical studies should be selected to demonstrate efficacy and safety for the specific clinical indication in humans, to avoid duplication of effort and minimise animal usage. Early consideration should also be given to manufacturing: how cell manipulation methods will integrate into highly controlled workflows and how they will be scaled up to produce clinically relevant quantities of cells. Finally, we summarise the main regulatory pathways for these clinical products, which can help shape early therapeutic design and testing.
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Affiliation(s)
- Peter G. Childs
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Glasgow, Glasgow G12 8QQ, U.K
- Centre for the Cellular Microenvironment, SUPA Department of Biomedical Engineering, University of Strathclyde, Glasgow G1 1QE, U.K
| | - Stuart Reid
- Centre for the Cellular Microenvironment, SUPA Department of Biomedical Engineering, University of Strathclyde, Glasgow G1 1QE, U.K
| | - Manuel Salmeron-Sanchez
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Matthew J. Dalby
- Centre for the Cellular Microenvironment, Institute for Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, U.K
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18
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Maroni P. Leptin, Adiponectin, and Sam68 in Bone Metastasis from Breast Cancer. Int J Mol Sci 2020; 21:ijms21031051. [PMID: 32033341 PMCID: PMC7037668 DOI: 10.3390/ijms21031051] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/03/2020] [Accepted: 02/04/2020] [Indexed: 12/12/2022] Open
Abstract
The most serious aspect of neoplastic disease is the spread of cancer cells to secondary sites. Skeletal metastases can escape detection long after treatment of the primary tumour and follow-up. Bone tissue is a breeding ground for many types of cancer cells, especially those derived from the breast, prostate, and lung. Despite advances in diagnosis and therapeutic strategies, bone metastases still have a profound impact on quality of life and survival and are often responsible for the fatal outcome of the disease. Bone and the bone marrow environment contain a wide variety of cells. No longer considered a passive filler, bone marrow adipocytes have emerged as critical contributors to cancer progression. Released by adipocytes, adipokines are soluble factors with hormone-like functions and are currently believed to affect tumour development. Src-associated in mitosis of 68 kDa (Sam68), originally discovered as a protein physically associated with and phosphorylated by c-Src during mitosis, is now recognised as an important RNA-binding protein linked to tumour onset and progression of disease. Sam68 also regulates splicing events and recent evidence reports that dysregulation of these events is a key step in neoplastic transformation and tumour progression. The present review reports recent findings on adipokines and Sam68 and their role in breast cancer progression and metastasis.
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Affiliation(s)
- Paola Maroni
- IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161 Milano, Italy
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19
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Zhao M, Anouz R, Groth T. Effect of microenvironment on adhesion and differentiation of murine C3H10T1/2 cells cultured on multilayers containing collagen I and glycosaminoglycans. J Tissue Eng 2020; 11:2041731420940560. [PMID: 32728412 PMCID: PMC7366406 DOI: 10.1177/2041731420940560] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 06/18/2020] [Indexed: 12/14/2022] Open
Abstract
Polyelectrolyte multilayer coating is a promising tool to control cellular behavior. Murine C3H10T1/2 embryonic fibroblasts share many features with mesenchymal stem cells, which are good candidates for use in regenerative medicine. However, the interactions of C3H10T1/2 cells with polyelectrolyte multilayers have not been studied yet. Hence, the effect of molecular composition of biomimetic multilayers, by pairing collagen I (Col I) with either hyaluronic acid or chondroitin sulfate, based primarily on ion pairing and on additional intrinsic cross-linking was studied regarding the adhesion and differentiation of C3H10T1/2 cells. It was found that the adhesion and osteogenic differentiation of C3H10T1/2 cells were more pronounced on chondroitin sulfate-based multilayers when cultured in the absence of osteogenic supplements, which corresponded to the significant larger amounts of Col I fibrils in these multilayers. By contrast, the staining of cartilage-specific matrixes was more intensive when cells were cultured on hyaluronic acid-based multilayers. Moreover, it is of note that a limited osteogenic and chondrogenic differentiation were detected when cells were cultured in osteogenic or chondrogenic medium. Specifically, cells were largely differentiated into an adipogenic lineage when cultured in osteogenic medium or 100 ng mL-1 bone morphogenic protein 2, and it was more evident on the oxidized glycosaminoglycans-based multilayers, which corresponded also to the higher stiffness of cross-linked multilayers. Overall, polyelectrolyte multilayer composition and stiffness can be used to direct cell-matrix interactions, and hence the fate of C3H10T1/2 cells. However, these cells have a higher adipogenic potential than osteogenic or chondrogenic potential.
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Affiliation(s)
- Mingyan Zhao
- Stem Cell Research and Cellular Therapy
Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Reema Anouz
- Department Biomedical Materials,
Institute of Pharmacy, Martin Luther University Halle Wittenberg, Halle (Saale),
Germany
| | - Thomas Groth
- Department Biomedical Materials,
Institute of Pharmacy, Martin Luther University Halle Wittenberg, Halle (Saale),
Germany
- Laboratory of Biomedical
Nanotechnologies, Institute of Bionic Technologies and Engineering, I.M. Sechenov
First Moscow State University, Moscow, Russian Federation
- Interdisciplinary Center of Materials
Research, Martin Luther University Halle Wittenberg, Halle (Saale), Germany
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20
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Paolella F, Gabusi E, Manferdini C, Schiavinato A, Lisignoli G. Specific concentration of hyaluronan amide derivative induces osteogenic mineralization of human mesenchymal stromal cells: Evidence of RUNX2 and COL1A1 genes modulation. J Biomed Mater Res A 2019; 107:2774-2783. [PMID: 31408271 DOI: 10.1002/jbm.a.36780] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 12/28/2022]
Abstract
Hyaluronic acid (HA) is an ideal material for tissue regeneration. The aim of this study was to investigate whether a hyaluronan amide derivative (HAD) can enhance the mineralization of human mesenchymal stem cells (hMSCs). Osteogenically induced hMSCs cultured with or without HAD at different concentrations (0.5 mg/ml or 1 mg/ml) were analyzed for mineral matrix deposition, metabolic activity, cellular proliferation, and the expression of 14 osteogenic genes. Unmodified HA (HYAL) was used as control. We demonstrated that only cells treated daily until day 28 with 0.5 mg/ml HAD, but not with 1 mg/ml of HAD and HYAL, showed a significant induction of mineralization at day 14 compared to the osteogenic control group. HAD at both concentrations tested, significantly decreased the expression of the proliferating marker MKI67 at day 2. By contrast, increased metabolic activity was induced only by HYAL from day 14. HAD at both concentrations significantly down modulated SNAI2, DLX5, RUNX2, COL1A1, and IBSP genes, while significantly up regulated COL15A1. The induction of mineralization of 0.5 mg/ml of HAD at day 14 was significantly dependent on a specific modulation of RUNX2 and COL1A1. Our data demonstrate that only 0.5 mg/ml of HAD, but not HYAL, modulated hMSCs osteogenic differentiation, suggesting that the physicochemical features and concentration of HA products could differently affect osteogenic maturation.
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Affiliation(s)
- Francesca Paolella
- IRCCS Istituto Ortopedico Rizzoli, SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Bologna, Italy
| | - Elena Gabusi
- IRCCS Istituto Ortopedico Rizzoli, SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Bologna, Italy
| | - Cristina Manferdini
- IRCCS Istituto Ortopedico Rizzoli, SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Bologna, Italy
| | | | - Gina Lisignoli
- IRCCS Istituto Ortopedico Rizzoli, SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Bologna, Italy
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Baird A, Dominguez Falcon N, Saeed A, Guest DJ. Biocompatible Three-Dimensional Printed Thermoplastic Scaffold for Osteoblast Differentiation of Equine Induced Pluripotent Stem Cells. Tissue Eng Part C Methods 2019; 25:253-261. [DOI: 10.1089/ten.tec.2018.0343] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Affiliation(s)
- Arabella Baird
- Centre for Preventive Medicine, Animal Health Trust, Newmarket, United Kingdom
| | | | - Aram Saeed
- School of Pharmacy, University of East Anglia, Norwich, United Kingdom
| | - Deborah Jane Guest
- Centre for Preventive Medicine, Animal Health Trust, Newmarket, United Kingdom
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22
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Arabiyat AS, Diaz-Rodriguez P, Erndt-Marino JD, Totsingan F, Mekala S, Gross RA, Hahn MS. Effect of Poly(sophorolipid) Functionalization on Human Mesenchymal Stem Cell Osteogenesis and Immunomodulation. ACS APPLIED BIO MATERIALS 2018; 2:118-126. [DOI: 10.1021/acsabm.8b00434] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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23
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Jiang H, Hong T, Wang T, Wang X, Cao L, Xu X, Zheng M. Gene expression profiling of human bone marrow mesenchymal stem cells during osteogenic differentiation. J Cell Physiol 2018; 234:7070-7077. [PMID: 30378112 DOI: 10.1002/jcp.27461] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 08/29/2018] [Indexed: 01/14/2023]
Abstract
OBJECTIVE Osteogenesis is a multiple-step process through which osteoblasts are derived from bone marrow mesenchymal stem cells (MSCs) with multilineage differentiation potential. This study aimed to analyze gene expression profiling during osteogenic differentiation of MSCs. MATERIALS AND METHODS Human MSCs were isolated and induced for differentiation in osteogenic medium. Full-genome gene expression microarrays and gene ontology analysis were performed. RESULTS A total of 1,680 differentially expressed genes in differentiated MSCs were identified including 430 upregulated and 1,250 downregulated. Moreover, pathway-act-network analysis showed that cell cycle, p53 signaling pathway and focal adhesion, had high degree (>5). The ribonucleotide reductase M1, thymidine kinase 1 and histone cluster 1 H3e also showed high degree (>10). Polymerase chain reaction analysis confirmed the differential expression of insulin-like growth factor binding protein 3, SMAD family member 3, transforming growth factor beta 2, and fibroblast growth factor 14 in differentiated MSCs. CONCLUSIONS Gene expression profiling provides a foundation to reveal the mechanisms that regulate osteogenic differentiation of MSCs.
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Affiliation(s)
- He Jiang
- Key Laboratory for System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, Jiangxi, China
| | - Tao Hong
- Department of Ultrasound, The First Hospital of Jiujiang City, Jiangxi, China
| | - Tao Wang
- Key Laboratory for System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, Jiangxi, China
| | - Xinping Wang
- Key Laboratory for System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, Jiangxi, China
| | - Lingling Cao
- Department of Ultrasound, The First Hospital of Jiujiang City, Jiangxi, China
| | - Xiaoyuan Xu
- Key Laboratory for System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, Jiangxi, China
| | - Meirong Zheng
- Key Laboratory for System Bio-medicine of Jiangxi Province, Jiujiang University, Jiujiang, Jiangxi, China
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24
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Ok JS, Song SB, Hwang ES. Enhancement of Replication and Differentiation Potential of Human Bone Marrow Stem Cells by Nicotinamide Treatment. Int J Stem Cells 2018; 11:13-25. [PMID: 29699388 PMCID: PMC5984055 DOI: 10.15283/ijsc18033] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 12/31/2022] Open
Abstract
Background and Objectives Therapies using mesenchymal stem cells (MSCs) generally require substantial expansion of cell populations. However, the replicative life span of MSCs is limited and their multipotency declines over continued passages, imposing a limitation on their application especially in aged individuals. In an effort to increase MSC life span, we tested the effects of nicotinamide (NAM), a precursor of NAD+ that has been shown to reduce reactive oxygen species generation and delay the onset of replicative senescence in fibroblasts. Methods Bone marrow stem cells (BMSCs) from healthy donors were cultivated in the presence of 5 mM NAM until the end of their life span. The levels of proliferation and differentiation to osteogenic, adipogenic, and chondrogenic lineages of BMSCs were compared between populations incubated in the absence or presence of NAM. Results The replicative life span was substantially increased with a significant delay in the onset of senescence, and differentiation to all tested lineages was increased. Furthermore, differentiation was sustained and the adipogenic switch from osteogenesis to adipogenesis was attenuated in late-passage BMSCs. Conclusions NAM could be considered as an important biological agent to expand and sustain the multipotency of BMSCs and thus broaden the application of stem cells in cell therapies.
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Affiliation(s)
- Jeong Su Ok
- Department of Life Science, University of Seoul, Seoul, Korea
| | - Seon Beom Song
- Department of Life Science, University of Seoul, Seoul, Korea
| | - Eun Seong Hwang
- Department of Life Science, University of Seoul, Seoul, Korea
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25
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Kang MS, Lee NH, Singh RK, Mandakhbayar N, Perez RA, Lee JH, Kim HW. Nanocements produced from mesoporous bioactive glass nanoparticles. Biomaterials 2018; 162:183-199. [PMID: 29448144 DOI: 10.1016/j.biomaterials.2018.02.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/22/2018] [Accepted: 02/02/2018] [Indexed: 12/14/2022]
Abstract
Biomedical cements are considered promising injectable materials for bone repair and regeneration. Calcium phosphate composition sized with tens of micrometers is currently one of the major powder forms. Here we report a unique cement form made from mesoporous bioactive glass nanoparticles (BGn). The nanopowder could harden in reaction with aqueous solution at powder-to-liquid ratios as low as 0.4-0.5 (vs. 2.0-3.0 for conventional calcium phosphate cement CPC). The cementation mechanism investigated from TEM, XRD, FT-IR, XPS, and NMR analyses was demonstrated to be the ionic (Si and Ca) dissolution and then reprecipitation to form Si-Ca-(P) based amorphous nano-islands that could network the particles. The nanopowder-derived nanocement exhibited high surface area (78.7 m2/g); approximately 9 times higher than conventional CPC. The immersion of nanocement in simulated body fluid produced apatite nanocrystallites with ultrafine size of 10 nm (vs. 55 nm in CPC). The ultrafine nanocement adsorbed protein molecules (particularly positive charged proteins) at substantial levels; approximately 160 times higher than CPC. The nanocement released Si and Ca ions continuously over the test period of 2 weeks; the Si release was unique in nanocement whereas the Ca release was in a similar range to that observed in CPC. The release of ions significantly stimulated the responses of cells studied (rMSCs and HUVECs). The viability and osteogenesis of rMSCs were significantly enhanced by the nanocement ionic extracts. Furthermore, the in vitro tubular networking of HUVECs was improved by the nanocement ionic extracts. The in vivo neo-blood vessel formation in CAM model was significantly higher by the nanocement implant when compared with the CPC counterpart, implying the Si ion release might play a significant role in pro-angiogenesis. Furthermore, the early bone forming response of the nanocement, based on the implantation in a rat calvarial bone defect, demonstrated a sign of osteoinductivity along with excellent osteocondution and bone matrix formation. Although more studies remain to confirm the potential of nanocement, some of the intriguing physico-chemical properties and the biological responses reported herein support the promise of the new 'nanopowder-based nanocement' for hard tissue repair and regeneration.
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Affiliation(s)
- Min Sil Kang
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Na-Hyun Lee
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Nandin Mandakhbayar
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Roman A Perez
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Regenerative Medicine Research Institute, Universitat Internacional de Catalunya Barcelona 08017, Spain
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea; Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, 330-714, Republic of Korea.
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26
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Moya A, Larochette N, Bourguignon M, El-Hafci H, Potier E, Petite H, Logeart-Avramoglou D. Osteogenic potential of adipogenic predifferentiated human bone marrow-derived multipotent stromal cells for bone tissue-engineering. J Tissue Eng Regen Med 2017; 12:e1511-e1524. [PMID: 28875591 DOI: 10.1002/term.2571] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 07/13/2017] [Accepted: 09/01/2017] [Indexed: 12/16/2022]
Abstract
In the present study, we evaluated the benefits of an adipogenic predifferentiation, the pathway most closely related to osteoblastogenesis, on the pro-osteogenic potential of human adult multipotent bone marrow stromal cells (hBMSCs), both in vitro and in vivo. Adipogenic differentiation of hBMSCs for 14 days resulted in a heterogeneous cell population from which the most adipogenic-committed cells were eliminated by their lack of readhesion ability. Our results provided evidence that the select adherent adipogenic differentiated hBMSCs (sAD+ cells) express a gene profile characteristic of both adipogenic and osteogenic lineages. In vitro, when cultured in osteogenic medium, sAD+ differentiated along the osteogenic lineage faster than undifferentiated hBMSCs. In vivo, in an ectopic mouse model, sAD+ exhibited a significantly higher bone formation capability compared with undifferentiated hBMSCs. We sought, then, to investigate the underlying mechanisms responsible for such beneficial effects of adipogenic predifferentiation on bone formation and found that this outcome was not linked to a better cell survival post-implantation. The secretome of sAD+ was both proangiogenic and chemoattractant, but its potential did not supersede the one of undifferentiated hBMSCs. However, using co-culture systems, we observed that the sAD+ paracrine factors were pro-osteogenic on undifferentiated hBMSCs. In conclusion, adipogenic priming endows hBMSCs with high osteogenic potential as well as pro-osteogenic paracrine-mediated activity. This preconditioning appears as a promising strategy for bone tissue engineering technology in order to improve the hBMSC osteogenic potency in vivo.
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Affiliation(s)
- Adrien Moya
- UMR 7052 CNRS University Paris Diderot, Sorbonne Paris Cité, Paris, France
| | | | | | - Hanane El-Hafci
- UMR 7052 CNRS University Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Esther Potier
- UMR 7052 CNRS University Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Hervé Petite
- UMR 7052 CNRS University Paris Diderot, Sorbonne Paris Cité, Paris, France
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27
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Iván J, Major E, Sipos A, Kovács K, Horváth D, Tamás I, Bay P, Dombrádi V, Lontay B. The Short-Chain Fatty Acid Propionate Inhibits Adipogenic Differentiation of Human Chorion-Derived Mesenchymal Stem Cells Through the Free Fatty Acid Receptor 2. Stem Cells Dev 2017; 26:1724-1733. [PMID: 28992793 PMCID: PMC5706617 DOI: 10.1089/scd.2017.0035] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Free fatty acid receptor 2 (FFAR2, also known as GPR43) is a G-protein-coupled receptor activated by short-chain fatty acids that are produced by gut microbiota through fermentation of nondigestible carbohydrates. FFAR2 functions as a metabolic sensor and is expressed in metabolically active tissues, such as adipose tissue. Earlier studies proved the connection between FFAR2 and adipocyte differentiation in mice. The aim of this study was to investigate the implication of FFAR2 receptor in adipogenesis in human chorion-derived mesenchymal stem cells (cMSCs). The short-chain fatty acid, propionate, and phenylacetamide a selective FFAR2 agonist resulted in a marked suppression of lipid droplet accumulation during the adipogenic differentiation of cMSCs. Western blot studies revealed that FFAR2 was detectable at any time point of the differentiation period. The direct involvement of FFAR2 in the differentiation into adipocytes was proven by the downregulation of its gene expression in cMSCs by lentiviral messenger RNA (mRNA) silencing transduction particles. Our results showed that a significant suppression in lipid accumulation upon FFAR2 agonist treatments was elicited by FFAR2-silencing. Based on these results we suggest that propionate inhibits the formation of adipocytes from MSCs and acts on adipogenesis predominantly via FFAR2.
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Affiliation(s)
- Judit Iván
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary .,2 MTA-DE Cell Biology and Signaling Research Group , Debrecen, Hungary
| | - Evelin Major
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
| | - Adrienn Sipos
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
| | - Katalin Kovács
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary .,2 MTA-DE Cell Biology and Signaling Research Group , Debrecen, Hungary
| | - Dániel Horváth
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
| | - István Tamás
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
| | - Péter Bay
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary .,3 MTA-DE Lendület Laboratory of Cellular Metabolism , Debrecen, Hungary .,4 Research Center for Molecular Medicine, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
| | - Viktor Dombrádi
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
| | - Beáta Lontay
- 1 Department of Medical Chemistry, Faculty of Medicine, University of Debrecen , Debrecen, Hungary
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28
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Mirzaei S, Karkhaneh A, Soleimani M, Ardeshirylajimi A, Seyyed Zonouzi H, Hanaee-Ahvaz H. Enhanced chondrogenic differentiation of stem cells using an optimized electrospun nanofibrous PLLA/PEG scaffolds loaded with glucosamine. J Biomed Mater Res A 2017; 105:2461-2474. [DOI: 10.1002/jbm.a.36104] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Affiliation(s)
- Samaneh Mirzaei
- Stem Cell Technology Research Center; Tehran 1997775555 Iran
| | - Akbar Karkhaneh
- Department of Biomedical Engineering; Amirkabir University of Technology (Tehran Polytechnic); Tehran Iran
| | - Masoud Soleimani
- Stem Cell Technology Research Center; Tehran 1997775555 Iran
- Department of Hematology, Faculty of Medical Science; Tarbiat Modares University; Tehran Iran
| | - Abdolreza Ardeshirylajimi
- Stem Cell Technology Research Center; Tehran 1997775555 Iran
- Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine; Shahid Beheshti University of Medical Sciences; Tehran Iran
| | - Hasti Seyyed Zonouzi
- Biomedical Engineering Faculty, Science and Research Branch, Islamic Azad University; Tehran Iran
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29
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Tang Y, Xu Y, Xiao Z, Zhao Y, Li J, Han S, Chen L, Dai B, Wang L, Chen B, Wang H. The combination of three-dimensional and rotary cell culture system promotes the proliferation and maintains the differentiation potential of rat BMSCs. Sci Rep 2017; 7:192. [PMID: 28298644 PMCID: PMC5428343 DOI: 10.1038/s41598-017-00087-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 01/23/2017] [Indexed: 12/22/2022] Open
Abstract
Bone marrow mesenchymal stem cells (BMSCs) are a good candidate for tissue engineering and clinical application. One of the challenges in its cell therapy is how to quickly obtain an adequate number of seed cells and meanwhile maintain suitable differentiation potential. In this study we combined three-dimensional (3D) collagen porous scaffolds with rotary cell culture system (RCCS) (RCCS-3D) to create a stereoscopic dynamic environment for the amplification of rat BMSCs in vitro. The results revealed that this RCCS-3D system could enhance BMSCs' proliferation and colony formation, as well as maintain the differentiation potential compared with conventional static two-dimensional (2D) and 3D cell culture conditions. In addition, high-throughput microarray analysis showed that gene expressions of RCCS-3D system displayed significant differences in cell proliferation and differentiation compared with static-2D conditions. Thus, RCCS-3D system could provide an effective means for BMSCs cell proliferation in vitro and meanwhile maintain differentiation potential in tissue engineering.
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Affiliation(s)
- Yilong Tang
- Department of Spine Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, People's Republic of China
- Department of Spine Surgery, Sichuan Provincial Orthopedic Hospital, Chengdu, 610041, People's Republic of China
| | - Yan Xu
- Department of Spine Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, People's Republic of China
- Department of Spine Surgery, Dali Bai Autonomous Prefecture People's Hospital, Dali, 671000, People's Republic of China
| | - Zhifeng Xiao
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, People's Republic of China
| | - Yannan Zhao
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, People's Republic of China
| | - Jing Li
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
| | - Sufang Han
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
| | - Lei Chen
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
| | - Bin Dai
- Department of Biotechnology, College of Life Sciences, Shandong Agricultural University, Taian, 271018, People's Republic of China
| | - Ling Wang
- Department of Oncology, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, People's Republic of China.
| | - Bing Chen
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, People's Republic of China.
| | - Hong Wang
- Department of Spine Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, People's Republic of China.
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30
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Baskan O, Mese G, Ozcivici E. Low-intensity vibrations normalize adipogenesis-induced morphological and molecular changes of adult mesenchymal stem cells. Proc Inst Mech Eng H 2017; 231:160-168. [PMID: 28068880 DOI: 10.1177/0954411916687338] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bone marrow mesenchymal stem cells that are committed to adipogenesis were exposed daily to high-frequency low-intensity mechanical vibrations to understand molecular, morphological and ultrastructural adaptations to mechanical signals during adipogenesis. D1-ORL-UVA mouse bone marrow mesenchymal stem cells were cultured with either growth or adipogenic medium for 1 week. Low-intensity vibration signals (15 min/day, 90 Hz, 0.1 g) were applied to one group of adipogenic cells, while the other adipogenic group served as a sham control. Cellular viability, lipid accumulation, ultrastructure and morphology were determined with MTT, Oil-Red-O staining, phalloidin staining and atomic force microscopy. Semiquantitative reverse transcription polymerase chain reaction showed expression profile of the genes responsible for adipogenesis and ultrastructure of cells. Low-intensity vibration signals increased viability of the cells in adipogenic culture that was reduced significantly compared to quiescent controls. Low-intensity vibration signals also normalized the effects of adipogenic condition on cell morphology, including area, perimeter, circularization and actin cytoskeleton. Furthermore, low-intensity vibration signals reduced the expression of some adipogenic markers significantly. Mesenchymal stem cells are sensitive and responsive to mechanical loads, but debilitating conditions such as aging or obesity may steer mesenchymal stem cells toward adipogenesis. Here, daily application of low-intensity vibration signals partially neutralized the effects of adipogenic induction on mesenchymal stem cells, suggesting that these signals may provide an alternative and/or complementary option to reduce fat deposition.
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Affiliation(s)
- Oznur Baskan
- 1 Department of Bioengineering, Izmir Institute of Technology, Izmir, Turkey
| | - Gulistan Mese
- 2 Department of Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Turkey
| | - Engin Ozcivici
- 1 Department of Bioengineering, Izmir Institute of Technology, Izmir, Turkey
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31
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Yasa O, Uysal O, Ekiz MS, Guler MO, Tekinay AB. Presentation of functional groups on self-assembled supramolecular peptide nanofibers mimicking glycosaminoglycans for directed mesenchymal stem cell differentiation. J Mater Chem B 2017; 5:4890-4900. [DOI: 10.1039/c7tb00708f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Organizational complexity and functional diversity of the extracellular matrix regulate cellular behaviors.
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Affiliation(s)
- Oncay Yasa
- Institute of Materials Science and Nanotechnology
- National Nanotechnology Research Center (UNAM)
- Bilkent University
- Ankara 06800
- Turkey
| | - Ozge Uysal
- Institute of Materials Science and Nanotechnology
- National Nanotechnology Research Center (UNAM)
- Bilkent University
- Ankara 06800
- Turkey
| | - Melis Sardan Ekiz
- Institute of Materials Science and Nanotechnology
- National Nanotechnology Research Center (UNAM)
- Bilkent University
- Ankara 06800
- Turkey
| | - Mustafa O. Guler
- Institute for Molecular Engineering
- University of Chicago
- Chicago
- USA
| | - Ayse B. Tekinay
- Institute of Materials Science and Nanotechnology
- National Nanotechnology Research Center (UNAM)
- Bilkent University
- Ankara 06800
- Turkey
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32
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Adeniran-Catlett AE, Beguin E, Bozal FK, Murthy SK. Suspension-based differentiation of adult mesenchymal stem cells toward chondrogenic lineage. Connect Tissue Res 2016; 57:466-475. [PMID: 26713781 DOI: 10.3109/03008207.2015.1083989] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Human mesenchymal stem cells (hMSCs) are derived from bone marrow and have the ability to differentiate into cartilage and other mesenchymal cell types found throughout the body. Traditionally, the differentiation of hMSCs toward chondrocytes occurs through a combination of pelleted static cell culture and chemical stimuli. As an alternative to these protocols, we developed an in vitro flow through microfluidic method to induce the differentiation of hMSCs into chondrocytes. Suspensions of unattached hMSCs were exposed to a constant shear flow over a period of 20 minutes, which promoted phenotypic and gene expression changes toward the chondrogenic lineage. These internal and external changes of chondrogenic differentiation were then observed over 3 weeks later in culture, as confirmed through fluorescent immunocytochemical staining and real-time quantitative reverse transcriptase polymerase chain reaction. The increased concentration of Type II collagen on the surface of shear stimulated hMSCs with the upregulation of MAPK1 and SOX9 demonstrated the capabilities of our approach to induce sustained differentiation. In conclusion, our shear stimulation method, in combination with chemical stimuli, illustrates enhanced differentiation of hMSCs toward the chondrogenic lineage.
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Affiliation(s)
| | - Estelle Beguin
- b Department of Chemical Engineering , Northeastern University , Boston , MA , USA
| | - Fazli K Bozal
- c Biochemistry Program , Northeastern University , Boston , MA , USA
| | - Shashi K Murthy
- b Department of Chemical Engineering , Northeastern University , Boston , MA , USA.,d Barnett Institute of Chemical & Biological Analysis, Northeastern University , Boston , MA , USA
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Di Luca A, Longoni A, Criscenti G, Mota C, van Blitterswijk C, Moroni L. Toward mimicking the bone structure: design of novel hierarchical scaffolds with a tailored radial porosity gradient. Biofabrication 2016; 8:045007. [DOI: 10.1088/1758-5090/8/4/045007] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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34
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Breast Cancer Cell Colonization of the Human Bone Marrow Adipose Tissue Niche. Neoplasia 2016; 17:849-861. [PMID: 26696367 PMCID: PMC4688564 DOI: 10.1016/j.neo.2015.11.005] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Revised: 11/05/2015] [Accepted: 11/10/2015] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND/OBJECTIVES Bone is a preferred site of breast cancer metastasis, suggesting the presence of tissue-specific features that attract and promote the outgrowth of breast cancer cells. We sought to identify parameters of human bone tissue associated with breast cancer cell osteotropism and colonization in the metastatic niche. METHODS Migration and colonization patterns of MDA-MB-231-fLuc-EGFP (luciferase-enhanced green fluorescence protein) and MCF-7-fLuc-EGFP breast cancer cells were studied in co-culture with cancellous bone tissue fragments isolated from 14 hip arthroplasties. Breast cancer cell migration into tissues and toward tissue-conditioned medium was measured in Transwell migration chambers using bioluminescence imaging and analyzed as a function of secreted factors measured by multiplex immunoassay. Patterns of breast cancer cell colonization were evaluated with fluorescence microscopy and immunohistochemistry. RESULTS Enhanced MDA-MB-231-fLuc-EGFP breast cancer cell migration to bone-conditioned versus control medium was observed in 12/14 specimens (P = .0014) and correlated significantly with increasing levels of the adipokines/cytokines leptin (P = .006) and IL-1β (P = .001) in univariate and multivariate regression analyses. Fluorescence microscopy and immunohistochemistry of fragments underscored the extreme adiposity of adult human bone tissues and revealed extensive breast cancer cell colonization within the marrow adipose tissue compartment. CONCLUSIONS Our results show that breast cancer cells migrate to human bone tissue-conditioned medium in association with increasing levels of leptin and IL-1β, and colonize the bone marrow adipose tissue compartment of cultured fragments. Bone marrow adipose tissue and its molecular signals may be important but understudied components of the breast cancer metastatic niche.
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Osteogenic signaling on silk-based matrices. Biomaterials 2016; 97:133-53. [DOI: 10.1016/j.biomaterials.2016.04.020] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/25/2016] [Accepted: 04/20/2016] [Indexed: 12/11/2022]
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Huang L, Xu F, Guo B, Ma J, Zhao J. Morphological study of dynamic culture of thermosensitive collagen hydrogel in constructing tissue engineering complex. Bioengineered 2016; 7:266-73. [PMID: 27459597 DOI: 10.1080/21655979.2016.1197741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
ABSTACT The purpose of this study is to research the morphologies and functional characteristics of the cell-scaffold complex in vitro constructed under dynamic culture conditions. BMSCs were isolated from the long bones of Fischer344 rats, and performed in vitro amplification to the third generation as seed cells, together with thermosensitive collagen hydrogel (TCH) as cell adhesion matrix, and poly-L-lactic acid (PLLA) as scaffold, to construct cell-scaffold complex. The cell-scaffold complexes in the experiment group and the control group were then performed dynamic culture and static culture. After 7 d of in vitro culture, the complexes in the 2 groups were performed gross observation and SEM; meanwhile, the total DNA content in the complex was detected on D0,1,3, and 7 of culture. After cultured using these 2 ways, collagen could both wrap the PLLA scaffold, forming dense film-like structures on the PLLA surface. The total DNA contents in the cell-scaffold complex of the experiment group on D1,3, and 7 were significantly higher than the control group (P < 0.05). Compared with D0, the total DNA contents on D1,3, and 7 in both groups were gradually increased, but only the total DNA contents on D7 showed statistically significant difference than D0 (P < 0.05). TCH -PLLA fiber joint-constructed complex extracellular matrix had good biocompatibility, and dynamic culture could promote the distribution of BMSCs on the surface and inside the structure, thus promoting cell proliferation, so it could be used for the in vitro construction of tissue engineering complex.
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Affiliation(s)
- Lanfeng Huang
- a Department of Orthopedics , The Second Hospital of Jilin University , Changchun , China
| | - Feixiang Xu
- a Department of Orthopedics , The Second Hospital of Jilin University , Changchun , China
| | - Bin Guo
- a Department of Orthopedics , The Second Hospital of Jilin University , Changchun , China
| | - Jianchao Ma
- a Department of Orthopedics , The Second Hospital of Jilin University , Changchun , China
| | - Jinsong Zhao
- b Department of Ophthalmology , The Second Hospital of Jilin University , Changchun , China
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Gentile AM, Lhamyani S, Coín-Aragüez L, Oliva-Olivera W, Zayed H, Vega-Rioja A, Monteseirin J, Romero-Zerbo SY, Tinahones FJ, Bermúdez-Silva FJ, El Bekay R. RPL13A and EEF1A1 Are Suitable Reference Genes for qPCR during Adipocyte Differentiation of Vascular Stromal Cells from Patients with Different BMI and HOMA-IR. PLoS One 2016; 11:e0157002. [PMID: 27304673 PMCID: PMC4909211 DOI: 10.1371/journal.pone.0157002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 05/23/2016] [Indexed: 12/21/2022] Open
Abstract
Real-time or quantitative PCR (qPCR) is a useful technique that requires reliable reference genes for data normalization in gene expression analysis. Adipogenesis is among the biological processes suitable for this technique. The selection of adequate reference genes is essential for qPCR gene expression analysis of human Vascular Stromal Cells (hVSCs) during their differentiation into adipocytes. To the best of our knowledge, there are no studies validating reference genes for the analyses of visceral and subcutaneous adipose tissue hVSCs from subjects with different Body Mass Index (BMI) and Homeostatic Model Assessment of Insulin Resistance (HOMA-IR) index. The present study was undertaken to analyze this question. We first analyzed the stability of expression of five potential reference genes: CYC, GAPDH, RPL13A, EEF1A1, and 18S ribosomal RNA, during in vitro adipogenic differentiation, in samples from these types of patients. The expression of RPL13A and EEF1A1 was not affected by differentiation, thus being these genes the most stable candidates, while CYC, GAPDH, and 18S were not suitable for this sort of analysis. This work highlights that RPL13A and EEF1A1 are good candidates as reference genes for qPCR analysis of hVSCs differentiation into adipocytes from subjects with different BMI and HOMA-IR.
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Affiliation(s)
| | - Said Lhamyani
- IBIMA, Universidad de Málaga, Campus Teatinos s/n, 29010, Málaga, España
| | - Leticia Coín-Aragüez
- CIBER Pathophysiology of obesity and nutrition CB06/03, Carlos III Health Institute, Malaga, 29010, Spain, Laboratory of Biomedical Research, Virgen de la Victoria Clinical University Hospital, Málaga, 29010, Spain
| | - Wilfredo Oliva-Olivera
- CIBER Pathophysiology of obesity and nutrition CB06/03, Carlos III Health Institute, Malaga, 29010, Spain, Laboratory of Biomedical Research, Virgen de la Victoria Clinical University Hospital, Málaga, 29010, Spain
| | - Hatem Zayed
- Biomedical Sciences Program, Health Sciences Department, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Antonio Vega-Rioja
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
- * E-mail: (AVR); (FJBS); (REB)
| | - Javier Monteseirin
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Silvana-Yanina Romero-Zerbo
- Unidad de Gestion Clínica Intercentros de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga/Universidad de Málaga, 29009, Málaga, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Málaga, Spain
| | - Francisco-José Tinahones
- CIBER Pathophysiology of obesity and nutrition CB06/03, Carlos III Health Institute, Malaga, 29010, Spain, Laboratory of Biomedical Research, Virgen de la Victoria Clinical University Hospital, Málaga, 29010, Spain
- Endocrinology Service, Virgen de la Victoria Clinical University Hospital, Malaga, 29010, Spain
| | - Francisco-Javier Bermúdez-Silva
- Unidad de Gestion Clínica Intercentros de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga/Universidad de Málaga, 29009, Málaga, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Málaga, Spain
- * E-mail: (AVR); (FJBS); (REB)
| | - Rajaa El Bekay
- CIBER Pathophysiology of obesity and nutrition CB06/03, Carlos III Health Institute, Malaga, 29010, Spain, Laboratory of Biomedical Research, Virgen de la Victoria Clinical University Hospital, Málaga, 29010, Spain
- * E-mail: (AVR); (FJBS); (REB)
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Hogrebe NJ, Gooch KJ. Direct influence of culture dimensionality on human mesenchymal stem cell differentiation at various matrix stiffnesses using a fibrous self‐assembling peptide hydrogel. J Biomed Mater Res A 2016; 104:2356-68. [DOI: 10.1002/jbm.a.35755] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 04/19/2016] [Indexed: 11/12/2022]
Affiliation(s)
| | - Keith J. Gooch
- Department of Biomedical EngineeringThe Ohio State UniversityColumbus Ohio
- The Ohio State University, Davis Heart Lung Research InstituteColumbus Ohio
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Strakovsky RS, Lezmi S, Shkoda I, Flaws JA, Helferich WG, Pan YX. In utero growth restriction and catch-up adipogenesis after developmental di (2-ethylhexyl) phthalate exposure cause glucose intolerance in adult male rats following a high-fat dietary challenge. J Nutr Biochem 2015; 26:1208-20. [PMID: 26188368 PMCID: PMC4631689 DOI: 10.1016/j.jnutbio.2015.05.012] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Revised: 05/02/2015] [Accepted: 05/26/2015] [Indexed: 12/24/2022]
Abstract
Phthalates impact adipocyte morphology in vitro, but the sex-specific adipogenic signature immediately after perinatal di(2-ethylhexyl) phthalate (DEHP) exposure and adulthood physiology following a high-fat (HF) dietary challenge are unknown. In the current study, pregnant and lactating dams received DEHP (300 mg/kg body weight) or oil. At weaning [postnatal day (PND) 21], adipose tissue was sampled for real-time polymerase chain reaction. The remaining offspring consumed a control or HF diet. DEHP decreased % fat in males at birth from 13.9%±0.2 to 11.8%±0.6 (mean±S.E.M.), representing a 15.1% decrease in fat by DEHP, and these males caught up in adiposity to controls by PND21. Adult DEHP-exposed males had a 27.5% increase in fat (12.5%±0.9% in controls vs. 15.9%±1.5% in the DEHP group); adipocyte perimeter was increased as well, with fewer small/medium-sized adipocytes, and decreased cell number compared to oil controls. HF diet intake in DEHP-exposed males further increased male energy intake and body weight and led to glucose intolerance. In PND21 males, DEHP increased the expression of adipogenic markers (Pparg1, Cebpa, Adipoq, Ppard, Fabp4, Fasn, Igf1), decreased Lep, and decreased markers of mesenchymal stem cell commitment to the adipogenic lineage (Bmp2, Bmp4, Stat1, Stat5a) compared to oil controls. These data suggest that DEHP may decrease the adipocyte pool at birth, which initially increases adaptive adipocyte maturation and lipid accumulation, but leads to adipose tissue dysfunction in adulthood, decreasing the capacity to adapt to a HF diet, and leading to systemic glucose intolerance.
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Affiliation(s)
- Rita S Strakovsky
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Stéphane Lezmi
- Department of Pathobiology, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Ielyzaveta Shkoda
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - William G Helferich
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, Urbana, Illinois
| | - Yuan-Xiang Pan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, Urbana, Illinois; Division of Nutritional Sciences, University of Illinois, Urbana-Champaign, Urbana, Illinois.
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Petecchia L, Sbrana F, Utzeri R, Vercellino M, Usai C, Visai L, Vassalli M, Gavazzo P. Electro-magnetic field promotes osteogenic differentiation of BM-hMSCs through a selective action on Ca(2+)-related mechanisms. Sci Rep 2015; 5:13856. [PMID: 26364969 PMCID: PMC4568470 DOI: 10.1038/srep13856] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 08/07/2015] [Indexed: 12/22/2022] Open
Abstract
Exposure to Pulsed Electromagnetic Field (PEMF) has been shown to affect proliferation and differentiation of human mesenchymal stem cells derived from bone marrow stroma (BM-hMSC). These cells offer considerable promise in the field of regenerative medicine, but their clinical application is hampered by major limitations such as poor availability and the time required to differentiate up to a stage suitable for implantation. For this reason, several research efforts are focusing on identifying strategies to speed up the differentiation process. In this work we investigated the in vitro effect of PEMF on Ca2+-related mechanisms promoting the osteogenic differentiation of BM-hMSC. Cells were daily exposed to PEMF while subjected to osteogenic differentiation and various Ca2+-related mechanisms were monitored using multiple approaches for identifying functional and structural modifications related to this process. The results indicate that PEMF exposure promotes chemically induced osteogenesis by mechanisms that mainly interfere with some of the calcium-related osteogenic pathways, such as permeation and regulation of cytosolic concentration, leaving others, such as extracellular deposition, unaffected. The PEMF effect is primarily associated to early enhancement of intracellular calcium concentration, which is proposed here as a reliable hallmark of the osteogenic developmental stage.
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Affiliation(s)
- Loredana Petecchia
- Institute of Biophysics, National Research Council, Via De Marini 6, 16149 Genova, Italy
| | - Francesca Sbrana
- Institute of Biophysics, National Research Council, Via De Marini 6, 16149 Genova, Italy
| | - Roberto Utzeri
- Institute for Macromolecular Studies, National Research Council, Via De Marini 6, 16149 Genova, Italy
| | - Marco Vercellino
- Dept. of Molecular Medicine, Centre for Health Technologies (C.H.T.), INSTM UdR of Pavia, University of Pavia, Italy.,Dept. of Occupational Medicine, Ergonomy and Disability, Laboratory of Nanotechnology, Salvatore Maugeri Foundation, IRCCS, Pavia, Italy
| | - Cesare Usai
- Institute of Biophysics, National Research Council, Via De Marini 6, 16149 Genova, Italy
| | - Livia Visai
- Dept. of Molecular Medicine, Centre for Health Technologies (C.H.T.), INSTM UdR of Pavia, University of Pavia, Italy.,Dept. of Occupational Medicine, Ergonomy and Disability, Laboratory of Nanotechnology, Salvatore Maugeri Foundation, IRCCS, Pavia, Italy
| | - Massimo Vassalli
- Institute of Biophysics, National Research Council, Via De Marini 6, 16149 Genova, Italy
| | - Paola Gavazzo
- Institute of Biophysics, National Research Council, Via De Marini 6, 16149 Genova, Italy
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Lafzi A, Vahabi S, Ghods S, Torshabi M. In vitro effect of mineralized and demineralized bone allografts on proliferation and differentiation of MG-63 osteoblast-like cells. Cell Tissue Bank 2015; 17:91-104. [DOI: 10.1007/s10561-015-9516-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 06/08/2015] [Indexed: 01/15/2023]
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Martin PJ, Haren N, Ghali O, Clabaut A, Chauveau C, Hardouin P, Broux O. Adipogenic RNAs are transferred in osteoblasts via bone marrow adipocytes-derived extracellular vesicles (EVs). BMC Cell Biol 2015; 16:10. [PMID: 25887582 PMCID: PMC4369894 DOI: 10.1186/s12860-015-0057-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 02/24/2015] [Indexed: 01/25/2023] Open
Abstract
Background In osteoporosis, bone loss is accompanied by increased marrow adiposity. Given their proximity in the bone marrow and their shared origin, a dialogue between adipocytes and osteoblasts could be a factor in the competition between human Mesenchymal Stem Cells (hMSC) differentiation routes, leading to adipocyte differentiation at the expense of osteoblast differentiation. The adipocyte/osteoblast balance is highly regulated at the level of gene transcription. In our work, we focused on PPARgamma, CEBPalpha and CEBPdelta, as these transcription factors are seen as master regulators of adipogenesis and expressed precociously, and on leptin and adiponectin, considered as adipocyte marker genes. In 2010, our group has demonstrated, thanks to a coculture model, that in the presence of hMSC-derived adipocytes (hMSC-Adi), hMSC-derived osteoblasts (hMSC-Ost) express lesser amounts of osteogenic markers but exhibit the expression of typical adipogenic genes. Nevertheless, the mechanisms underlying this modulation of gene expression are not clarified. Recently, adipocytes were described as releasing extracellular vesicles (EVs), containing and transferring adipocyte specific transcripts, like PPARgamma, leptin and adiponectin. Here, we investigated whether EVs could be the way in which adipocytes transfer adipogenic RNAs in our coculture model. Results We observed in hMSC-Ost incubated in hAdi-CM an increase in the adipogenic PPARγ, leptin, CEBPα and CEBPδ transcripts as well as the anti-osteoblastic miR-138, miR30c, miR125a, miR-125b, miR-31 miRNAs, probably implicated in the observed osteocalcin (OC) and osteopontin (OP) expression decrease. Moreover, EVs were isolated from conditioned media collected from cultures of hMSC at different stages of adipocyte differentiation and these specific adipogenic transcripts were detected inside. Finally, thanks to interspecies conditioned media exposition, we could highlight for the first time a horizontal transfer of adipogenic transcripts from medullary adipocytes to osteoblasts. Conclusions Here, we have shown, for the first time, RNA transfer between hMSC-derived adipocytes and osteoblasts through EVs. Additional studies are needed to clarify if this mechanism has a role in the adipocytic switch driven on osteoblasts by adipocytes inside bone marrow and if EVs could be a target component to regulate the competition between osteoblasts and adipocytes in the prevention or in the therapy of osteoporosis and other osteopenia.
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Affiliation(s)
- Perrine J Martin
- Univ Lille Nord de France, F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France. .,UCEIV EA 4492, F-59140, Dunkerque, France. .,Université du Littoral Côte d'Opale, EA4492 - Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), Maison de la Recherche en Environnement Industriel 2, ULCO, 189A, Avenue Maurice Schumann, 59140, Dunkerque, France.
| | - Nathalie Haren
- Univ Lille Nord de France, F-59000, Lille, France. .,PMOI EA 4490, IFR 114, F-62327 Boulogne sur Mer and F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France.
| | - Olfa Ghali
- Univ Lille Nord de France, F-59000, Lille, France. .,PMOI EA 4490, IFR 114, F-62327 Boulogne sur Mer and F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France.
| | - Aline Clabaut
- Univ Lille Nord de France, F-59000, Lille, France. .,PMOI EA 4490, IFR 114, F-62327 Boulogne sur Mer and F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France.
| | - Christophe Chauveau
- Univ Lille Nord de France, F-59000, Lille, France. .,PMOI EA 4490, IFR 114, F-62327 Boulogne sur Mer and F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France.
| | - Pierre Hardouin
- Univ Lille Nord de France, F-59000, Lille, France. .,PMOI EA 4490, IFR 114, F-62327 Boulogne sur Mer and F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France.
| | - Odile Broux
- Univ Lille Nord de France, F-59000, Lille, France. .,PMOI EA 4490, IFR 114, F-62327 Boulogne sur Mer and F-59000, Lille, France. .,Université du Littoral Côte d'Opale, ULCO, F-62327, Boulogne sur Mer, France.
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Duarte Campos DF, Blaeser A, Korsten A, Neuss S, Jäkel J, Vogt M, Fischer H. The stiffness and structure of three-dimensional printed hydrogels direct the differentiation of mesenchymal stromal cells toward adipogenic and osteogenic lineages. Tissue Eng Part A 2014; 21:740-56. [PMID: 25236338 DOI: 10.1089/ten.tea.2014.0231] [Citation(s) in RCA: 135] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The mechanical and physicochemical effects of three-dimensional (3D) printable hydrogels on cell behavior are paramount features to consider before manufacturing functional tissues. We hypothesize that besides good printability and cytocompatibility of a supporting hydrogel for the manufacture of individual tissues, it is equally essential to consider beforehand the desired tissue (bone, cartilage, fat). In light of its application, the structure and stiffness of printable hydrogel matrices influence cell geometry, which in turn impacts the differentiation fate. Embedded human mesenchymal stromal cells in printable type I collagen- and chitosan-agarose blends were induced to differentiate toward osteoblasts and adipocytes. Hydrogels' printability in air versus submerged printing in perfluorocarbon was evaluated according to the height, diameter, uniformity, and stability of 3D printed vertical cylinders. Bipotent differentiation within hydrogels was assessed histologically (morphology, cellularity), by immunohistochemistry (vimentin, smooth muscle actin), two-photon microscopy (spatial distribution), and real-time polymerase chain reaction (ALP, BGLAP, OPN, RUNX2, COL 1, aP2, PPARγ-2). Agarose and agarose blends revealed the most valid printability properties by generating uniform cylinders with an average height of 4 mm. Osteogenic differentiation was preferably achieved in anisotropic soft collagen-rich substrates, whereas adipogenic differentiation mostly occurred in isotropic stiff agarose-rich matrices. The conjugation of type I collagen to agarose with varying ratios is possibly a suitable bioink for a broad range of 3D printed mesenchymal tissues.
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Affiliation(s)
- Daniela F Duarte Campos
- 1 Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital , Aachen, Germany
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Huang L, Li R, Liu W, Dai J, Du Z, Wang X, Ma J, Zhao J. Dynamic culture of a thermosensitive collagen hydrogel as an extracellular matrix improves the construction of tissue-engineered peripheral nerve. Neural Regen Res 2014; 9:1371-8. [PMID: 25221594 PMCID: PMC4160868 DOI: 10.4103/1673-5374.137590] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2014] [Indexed: 12/15/2022] Open
Abstract
Tissue engineering technologies offer new treatment strategies for the repair of peripheral nerve injury, but cell loss between seeding and adhesion to the scaffold remains inevitable. A thermosensitive collagen hydrogel was used as an extracellular matrix in this study and combined with bone marrow mesenchymal stem cells to construct tissue-engineered peripheral nerve composites in vitro. Dynamic culture was performed at an oscillating frequency of 0.5 Hz and 35° swing angle above and below the horizontal plane. The results demonstrated that bone marrow mesenchymal stem cells formed membrane-like structures around the poly-L-lactic acid scaffolds and exhibited regular alignment on the composite surface. Collagen was used to fill in the pores, and seeded cells adhered onto the poly-L-lactic acid fibers. The DNA content of the bone marrow mesenchymal stem cells was higher in the composites constructed with a thermosensitive collagen hydrogel compared with that in collagen I scaffold controls. The cellular DNA content was also higher in the thermosensitive collagen hydrogel composites constructed with the thermosensitive collagen hydrogel in dynamic culture than that in static culture. These results indicate that tissue-engineered composites formed with thermosensitive collagen hydrogel in dynamic culture can maintain larger numbers of seeded cells by avoiding cell loss during the initial adhesion stage. Moreover, seeded cells were distributed throughout the material.
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Affiliation(s)
- Lanfeng Huang
- Department of Joint Surgery, Orthopedics Hospital of the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Rui Li
- Centre of Hand & Foot Surgery and Reparative & Reconstructive Surgery, Orthopedics Hospital of the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Wanguo Liu
- Department of Orthopedics Surgery, the Third Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jin Dai
- Department of Joint Surgery, Orthopedics Hospital of the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Zhenwu Du
- Institute of Orthopedics, the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Xiaonan Wang
- Department of Joint Surgery, Orthopedics Hospital of the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jianchao Ma
- Department of Joint Surgery, Orthopedics Hospital of the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jinsong Zhao
- Department of Ophthalmology, the Second Hospital of Jilin University, Changchun, Jilin Province, China
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Osteopontin: A novel regulator at the cross roads of inflammation, obesity and diabetes. Mol Metab 2014; 3:384-93. [PMID: 24944898 PMCID: PMC4060362 DOI: 10.1016/j.molmet.2014.03.004] [Citation(s) in RCA: 269] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 03/10/2014] [Accepted: 03/13/2014] [Indexed: 02/06/2023] Open
Abstract
Since its first description more than 20 years ago osteopontin has emerged as an active player in many physiological and pathological processes, including biomineralization, tissue remodeling and inflammation. As an extracellular matrix protein and proinflammatory cytokine osteopontin is thought to facilitate the recruitment of monocytes/macrophages and to mediate cytokine secretion in leukocytes. Modulation of immune cell response by osteopontin has been associated with various inflammatory diseases and may play a pivotal role in the development of adipose tissue inflammation and insulin resistance. Here we summarize recent findings on the role of osteopontin in metabolic disorders, particularly focusing on diabetes and obesity.
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Sharma V, Köllmer M, Szymusiak M, Nitsche LC, Gemeinhart RA, Liu Y. Toroidal-spiral particles for codelivery of anti-VEGFR-2 antibody and irinotecan: a potential implant to hinder recurrence of glioblastoma multiforme. Biomacromolecules 2014; 15:756-62. [PMID: 24460101 PMCID: PMC3983134 DOI: 10.1021/bm401550r] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 01/23/2014] [Indexed: 12/25/2022]
Abstract
Heterogeneous toroidal-spiral particles (TSPs) were generated by polymer droplet sedimentation, interaction, and cross-linking. TSPs provide a platform for encapsulation and release of multiple compounds of different sizes and physicochemical properties. As a model system, we demonstrate the encapsulation and independently controlled release of an anti-VEGFR-2 antibody and irinotecan for the treatment of glioblastoma multiforme. The anti-VEGFR-2 antibody was released from the TS channels and its binding to HUVECs was confirmed by confocal microscopy and flow cytometry, suggesting active antibody encapsulation and release. Irinotecan, a small molecule drug, was released from the dense polymer matrix of poly(ethylene glycol) diacrylate (MW ~ 700 g/mol; PEGDA 700). Released irinotecan inhibited the proliferation of U251 malignant glioma cells. Since the therapeutic compounds are released through different pathways, specifically diffusion through the polymer matrix versus TS channels, the release rate can be controlled independently through the design of the structure and material of particle components.
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Affiliation(s)
- Vishal Sharma
- Department of Chemical Engineering and Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Melanie Köllmer
- Department of Biopharmaceutical Sciences and Department of Ophthalmology and Visual
Sciences, University of Illinois, Chicago, Illinois 60612, United States
| | - Magdalena Szymusiak
- Department of Chemical Engineering and Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Ludwig C. Nitsche
- Department of Chemical Engineering and Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Richard A. Gemeinhart
- Department of Chemical Engineering and Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
- Department of Biopharmaceutical Sciences and Department of Ophthalmology and Visual
Sciences, University of Illinois, Chicago, Illinois 60612, United States
| | - Ying Liu
- Department of Chemical Engineering and Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
- Department of Biopharmaceutical Sciences and Department of Ophthalmology and Visual
Sciences, University of Illinois, Chicago, Illinois 60612, United States
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