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Blázquez-Medela AM, Jumabay M, Boström KI. Beyond the bone: Bone morphogenetic protein signaling in adipose tissue. Obes Rev 2019; 20:648-658. [PMID: 30609449 PMCID: PMC6447448 DOI: 10.1111/obr.12822] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 11/02/2018] [Accepted: 11/25/2018] [Indexed: 02/06/2023]
Abstract
The bone morphogenetic proteins (BMPs) belong to the same superfamily as related to transforming growth factor β (TGFβ), growth and differentiation factors (GDFs), and activins. They were initially described as inducers of bone formation but are now known to be involved in morphogenetic activities and cell differentiation throughout the body, including the development of adipose tissue and adipogenic differentiation. BMP4 and BMP7 are the most studied BMPs in adipose tissue, with major roles in white adipogenesis and brown adipogenesis, respectively, but other BMPs such as BMP2, BMP6, and BMP8b as well as some inhibitors and modulators have been shown to also affect adipogenesis. It has become ever more important to understand adipose regulation, including the BMP pathways, in light of the strong links between obesity and metabolic and cardiovascular disease. In this review, we summarize the available information on BMP signaling in adipose tissue using preferentially articles that have appeared in the last decade, which together demonstrate the importance of BMP signaling in adipose biology.
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Affiliation(s)
- Ana M Blázquez-Medela
- Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Medet Jumabay
- Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Kristina I Boström
- Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States.,Molecular Biology Institute, UCLA, Los Angeles, California, United States
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Cruz ACC, Cardozo FTGDS, Magini RDS, Simões CMO. Retinoic acid increases the effect of bone morphogenetic protein type 2 on osteogenic differentiation of human adipose-derived stem cells. J Appl Oral Sci 2019; 27:e20180317. [PMID: 30810639 PMCID: PMC6382324 DOI: 10.1590/1678-7757-2018-0317] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 09/26/2018] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Bone morphogenetic protein type 2 (BMP-2) and retinoic acid (RA) are osteoinductive factors that stimulate endogenous mechanisms of bone repair which can be applied on management of osseous defects in oral and maxillofacial fields. OBJECTIVE Considering the different results of RA on osteogenesis and its possible use to substitute/potency BMP-2 effects, this study evaluated the outcomes of BMP-2, RA, and BMP-2+RA treatments on in vitro osteogenic differentiation of human adipose-derived stem cells (ASCs) and the signaling pathway(s) involved. MATERIAL AND METHODS ASCs were treated every other day with basic osteogenic medium (OM) alone or supplemented with BMP-2, RA, or BMP-2+RA. Alkaline phosphatase (ALP) activity was determined using the r-nitrophenol method. Extracellular matrix mineralization was evaluated using von Kossa staining and calcium quantification. Expression of osteonectin and osteocalcin mRNA were determined using qPCR. Smad1, Smad4, phosphorylated Smad1/5/8, BMP-4, and BMP-7 proteins expressions were analyzed using western blotting. Signaling pathway was evaluated using the IPA® software. RESULTS RA promoted the highest ALP activity at days 7, 14, 21, and 28, in comparison to BMP-2 and BMP-2+RA. BMP-2+RA best stimulated phosphorylated Smad1/5/8 protein expression at day 7 and Smad4 expression at days 7, 14, 21, and 28. Osteocalcin and osteonectin mRNA expressions were best stimulated by BMP-2+RA at day 7. Matrix mineralization was most improved by BMP-2+RA at days 12 and 32. Additionally, BMP-2+RA promoted the highest BMP signaling pathway activation at days 7 and 14, and demonstrated more activation of differentiation of bone-forming cells than OM alone. CONCLUSIONS In summary, RA increased the effect of BMP-2 on osteogenic differentiation of human ASCs.
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Affiliation(s)
- Ariadne Cristiane Cabral Cruz
- Universidade Federal de Santa Catarina, Programa de Pós-Graduação em Odontologia, Departamento de Odontologia, Florianópolis, Santa Catarina,Brasil
| | | | - Ricardo de Souza Magini
- Universidade Federal de Santa Catarina, Programa de Pós-Graduação em Odontologia, Departamento de Odontologia, Florianópolis, Santa Catarina,Brasil
| | - Cláudia Maria Oliveira Simões
- Universidade Federal de Santa Catarina, Programa de Pós-Graduação em Farmácia, Departamento de Ciências Farmacêuticas, Florianópolis, Santa Catarina,Brasil
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Lavrador P, Gaspar VM, Mano JF. Bioinstructive Naringin-Loaded Micelles for Guiding Stem Cell Osteodifferentiation. Adv Healthc Mater 2018; 7:e1800890. [PMID: 30106519 DOI: 10.1002/adhm.201800890] [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: 07/26/2018] [Indexed: 01/22/2023]
Abstract
Naringin is a naturally occurring flavanone with recognized neuroprotective, cardioprotective, anti-inflammatory, and antiosteoporotic properties. Herein, the delivery of Naringin-loaded methoxy-poly(ethylene glycol)-maleimide-thiol-poly(l-lactide) (mPEGMSPLA) diblock polymeric micelles to human adipose-derived stem cells (hASCs) with the aim to augment its pro-osteogenic effect in these cells is reported for the first time. The synthesis of the diblock copolymer is performed via Michael-type addition reaction between hydrophilic methoxy-poly(ethylene glycol)-maleimide (mPEGMAL) and hydrophobic thiol-poly(l-lactide) (PLASH) and confirmed by 1 H NMR and attenuated total reflectance Fourier transformed infrared (ATR-FTIR) spectroscopy. The resulting mPEGMSPLA copolymer self-assembles into monodispersed polymeric micelles (≈84.4 ± 2 nm) and presents a high Naringin encapsulation efficiency (87.8 ± 4%), with a sustained release profile at physiological pH. Alongside, in vitro data reveal that upon internalization into hASC 2D cultures, Naringin nanomicellar formulations attain a higher pro-osteogenic effect than that of free drug. Notably, these bioactive carriers also induce superior osteopontin expression and increase matrix mineralization in these cells over free drug administration. Overall, such findings support for the first time the use of polymeric nanomicelles for Naringin delivery into hASCs as a valid approach for modulating stem cell osteogenic differentiation.
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Affiliation(s)
- Pedro Lavrador
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro Campus Universitário de Santiago 3810‐193 Aveiro Portugal
| | - Vítor M. Gaspar
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro Campus Universitário de Santiago 3810‐193 Aveiro Portugal
| | - João F. Mano
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of Aveiro Campus Universitário de Santiago 3810‐193 Aveiro Portugal
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Dubey NK, Mishra VK, Dubey R, Deng YH, Tsai FC, Deng WP. Revisiting the Advances in Isolation, Characterization and Secretome of Adipose-Derived Stromal/Stem Cells. Int J Mol Sci 2018; 19:ijms19082200. [PMID: 30060511 PMCID: PMC6121360 DOI: 10.3390/ijms19082200] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/08/2018] [Accepted: 07/24/2018] [Indexed: 12/13/2022] Open
Abstract
Adipose-derived stromal/stem cells (ASCs) seems to be a promising regenerative therapeutic agent due to the minimally invasive approach of their harvest and multi-lineage differentiation potential. The harvested adipose tissues are further digested to extract stromal vascular fraction (SVF), which is cultured, and the anchorage-dependent cells are isolated in order to characterize their stemness, surface markers, and multi-differentiation potential. The differentiation potential of ASCs is directed through manipulating culture medium composition with an introduction of growth factors to obtain the desired cell type. ASCs have been widely studied for its regenerative therapeutic solution to neurologic, skin, wound, muscle, bone, and other disorders. These therapeutic outcomes of ASCs are achieved possibly via autocrine and paracrine effects of their secretome comprising of cytokines, extracellular proteins and RNAs. Therefore, secretome-derivatives might offer huge advantages over cells through their synthesis and storage for long-term use. When considering the therapeutic significance and future prospects of ASCs, this review summarizes the recent developments made in harvesting, isolation, and characterization. Furthermore, this article also provides a deeper insight into secretome of ASCs mediating regenerative efficacy.
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Affiliation(s)
- Navneet Kumar Dubey
- Ceramics and Biomaterials Research Group, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam.
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam.
| | - Viraj Krishna Mishra
- Applied Biotech Engineering Centre (ABEC), Department of Biotechnology, Ambala College of Engineering and Applied Research, Ambala 133101, India.
| | - Rajni Dubey
- Graduate Institute Food Science and Technology, National Taiwan University, Taipei 10617, Taiwan.
| | - Yue-Hua Deng
- Stem Cell Research Center, Taipei Medical University, Taipei 11031, Taiwan.
- Department of Life Science, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
| | - Feng-Chou Tsai
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan.
| | - Win-Ping Deng
- Stem Cell Research Center, Taipei Medical University, Taipei 11031, Taiwan.
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan.
- Department of Basic medicine, Fu-Jen Catholic University, New Taipei City 24205, Taiwan.
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Diverse effect of BMP-2 homodimer on mesenchymal progenitors of different origin. Hum Cell 2018; 31:139-148. [PMID: 29442285 PMCID: PMC5852203 DOI: 10.1007/s13577-018-0202-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 01/19/2018] [Indexed: 01/28/2023]
Abstract
Bone morphogenetic protein-2 (BMP-2), is a potential factor to enhance osseointegration of dental implants. However, the appropriate cellular system to investigate the osteogenic effect of BMP-2 in vitro in a standardized manner still needs to be defined. The aim of this study was to examine the effect of BMP-2 on the cell proliferation and osteogenic differentiation of human osteogenic progenitors of various origins: dental pulp stem cells (DPSC), human osteosarcoma cell line (Saos-2) and human embryonic palatal mesenchymal cell line (HEPM). For induction of osteogenic differentiation, cell culture medium was supplemented with BMP-2 homodimer alone or in combination with conventionally used differentiation inducing agents. Differentiation was monitored for 6–18 days. To assess differentiation, proliferation rate, alkaline phosphatase activity, calcium deposition and the expression level of osteogenic differentiation marker genes (Runx2, BMP-2) were measured. BMP-2 inhibited cell proliferation in a concentration and time-dependent manner. In a concentration which caused maximal cell proliferation, BMP-2 did not induce osteogenic differentiation in any of the tested systems. However, it had a synergistic effect with the osteoinductive medium in both DPSC and Saos-2, but not in HEPM cells. We also found that the differentiation process was faster in Saos-2 than in DPSCs. Osteogenic differentiation could not be induced in the osteoblast progenitor HEPM cells. Our data suggest that in a concentration that inhibits proliferation the differentiation inducing effect of BMP-2 is evident only in the presence of permissive osteoinductive components. β-glycerophosphate, was identified interacting with BMP-2 in a synergistic manner.
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Açil Y, Ghoniem AA, Gülses A, Kisch T, Stang F, Wiltfang J, Gierloff M. Suppression of osteoblast-related genes during osteogenic differentiation of adipose tissue derived stromal cells. J Craniomaxillofac Surg 2016; 45:33-38. [PMID: 27842921 DOI: 10.1016/j.jcms.2016.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 08/31/2016] [Accepted: 10/11/2016] [Indexed: 11/25/2022] Open
Abstract
Recent studies indicated a lower osteogenic differentiation potential of adipose tissue-derived stromal cells (ASCs) compared to bone marrow derived mesenchymal stromal cells. The aim of this study was to evaluate the effects of potent combinations of highly osteogenic bone morphogenetic proteins (BMPs) in order to enhance the osteogenic differentiation potential of ASCs. Human ASCs were cultured for 10 days in the presence of osteogenic medium consisting of dexamethasone, ß-glycerophosphate and ascorbat-2-phosphate (OM) supplemented with BMP-2, BMP-6, BMP-9+IGF-2 and BMP-2,-6,-9 (day 1+2: 50 ng/ml, days 3-6: 100 ng/ml, days 7-10: 200 ng/ml). The formation of the osteoblast phenotype was evaluated by quantification of osteoblast-related marker genes using real-time polymerase chain reaction (RT-PCR). Matrix mineralization was assessed by Alizarin Red S staining. Statistical analysis was carried out using the one-way analysis of variance (ANOVA) followed by the Scheffe's post hoc procedure. Osteogenic medium (OM) significantly increased the expression of alkaline phosphatase (ALP) and osteocalcin (p < 0.05) and led to a stable matrix mineralization. Under the influence of BMP-9+IGF-2 and BMP-2,-6,-9 the ALP expression further increased compared to ASCs cultured with OM only (p < 0.01). However, multiple osteogenic markers showed no change or decreased under the influence of OM and BMP combinations (p < 0.05). The current results indicate a restricted osteogenic differentiation potential of ASCs and suggest careful reconsideration of their use in bone tissue engineering applications.
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Affiliation(s)
- Yahya Açil
- Department of Oral & Maxillofacial Surgery (Head of Scientific Laboratories: Prof. Yahya Açil, Head: Prof. Dr. Jörg Wiltfang), Christian-Albrechts University, Kiel, Germany
| | - Amir Alexander Ghoniem
- Department of Oral & Maxillofacial Surgery (Head of Scientific Laboratories: Prof. Yahya Açil, Head: Prof. Dr. Jörg Wiltfang), Christian-Albrechts University, Kiel, Germany
| | - Aydin Gülses
- Center for Oral and Dental Health, Kars, Turkey.
| | - Tobias Kisch
- Department of Plastic Surgery, University of Lübeck, Lübeck, Germany
| | - Felix Stang
- Department of Plastic Surgery, University of Lübeck, Lübeck, Germany
| | - Jörg Wiltfang
- Department of Oral & Maxillofacial Surgery (Head of Scientific Laboratories: Prof. Yahya Açil, Head: Prof. Dr. Jörg Wiltfang), Christian-Albrechts University, Kiel, Germany
| | - Matthias Gierloff
- Department of Plastic Surgery, University of Lübeck, Lübeck, Germany
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Murgia A, Veronesi E, Candini O, Caselli A, D’souza N, Rasini V, Giorgini A, Catani F, Iughetti L, Dominici M, Burns JS. Potency Biomarker Signature Genes from Multiparametric Osteogenesis Assays: Will cGMP Human Bone Marrow Mesenchymal Stromal Cells Make Bone? PLoS One 2016; 11:e0163629. [PMID: 27711115 PMCID: PMC5053614 DOI: 10.1371/journal.pone.0163629] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 09/12/2016] [Indexed: 01/15/2023] Open
Abstract
In skeletal regeneration approaches using human bone marrow derived mesenchymal stromal cells (hBM-MSC), functional evaluation before implantation has traditionally used biomarkers identified using fetal bovine serum-based osteogenic induction media and time courses of at least two weeks. However, emerging pre-clinical evidence indicates donor-dependent discrepancies between these ex vivo measurements and the ability to form bone, calling for improved tests. Therefore, we adopted a multiparametric approach aiming to generate an osteogenic potency assay with improved correlation. hBM-MSC populations from six donors, each expanded under clinical-grade (cGMP) conditions, showed heterogeneity for ex vivo growth response, mineralization and bone-forming ability in a murine xenograft assay. A subset of literature-based biomarker genes was reproducibly upregulated to a significant extent across all populations as cells responded to two different osteogenic induction media. These 12 biomarkers were also measurable in a one-week assay, befitting clinical cell expansion time frames and cGMP growth conditions. They were selected for further challenge using a combinatorial approach aimed at determining ex vivo and in vivo consistency. We identified five globally relevant osteogenic signature genes, notably TGF-ß1 pathway interactors; ALPL, COL1A2, DCN, ELN and RUNX2. Used in agglomerative cluster analysis, they correctly grouped the bone-forming cell populations as distinct. Although donor #6 cells were correlation slope outliers, they contrastingly formed bone without showing ex vivo mineralization. Mathematical expression level normalization of the most discrepantly upregulated signature gene COL1A2, sufficed to cluster donor #6 with the bone-forming classification. Moreover, attenuating factors causing genuine COL1A2 gene down-regulation, restored ex vivo mineralization. This suggested that the signature gene had an osteogenically influential role; nonetheless no single biomarker was fully deterministic whereas all five signature genes together led to accurate cluster analysis. We show proof of principle for an osteogenic potency assay providing early characterization of primary cGMP-hBM-MSC cultures according to their donor-specific bone-forming potential.
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Affiliation(s)
- Alba Murgia
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Elena Veronesi
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
- TPM, Science & Technology Park for Medicine, Mirandola, Modena, Italia
| | - Olivia Candini
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Anna Caselli
- CVBF - Consorzio per le Valutazioni Biologiche e Farmacologiche, Ospedale Pediatrico Giovanni XXIII, Bari, Italia
| | - Naomi D’souza
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Valeria Rasini
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Andrea Giorgini
- Department of Orthopedic Surgery, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Fabio Catani
- Department of Orthopedic Surgery, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
| | - Massimo Dominici
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
- TPM, Science & Technology Park for Medicine, Mirandola, Modena, Italia
- * E-mail: (MD); (JSB)
| | - Jorge S. Burns
- Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena and Reggio Emilia, Modena, Italia
- TPM, Science & Technology Park for Medicine, Mirandola, Modena, Italia
- * E-mail: (MD); (JSB)
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Lo Furno D, Mannino G, Cardile V, Parenti R, Giuffrida R. Potential Therapeutic Applications of Adipose-Derived Mesenchymal Stem Cells. Stem Cells Dev 2016; 25:1615-1628. [PMID: 27520311 DOI: 10.1089/scd.2016.0135] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Stem cells are subdivided into two main categories: embryonic and adult stem cells. In principle, pluripotent embryonic stem cells might differentiate in any cell types of the organism, whereas the potential of adult stem cells would be more restricted. Although adult stem cells from bone marrow have been initially the most extensively studied, those derived from human adipose tissue have been lately more widely investigated, because of several advantages. First, they can be easily obtained in large amounts from subcutaneous adipose tissue, with minimal pain and morbidity for the patients during harvesting. In addition, they feature low immunogenicity and can differentiate not only in cells of mesodermal lineage (adipocytes, osteoblasts, chondrocytes and muscle cells), but also in cells of other germ layers, such as neural or epithelial cells. As their multilineage differentiation capabilities are increasingly highlighted, their possible use in cell-based regenerative medicine is now broadly explored. In fact, starting from in vitro observations, many studies have already entered the preclinical and clinical phases. In this review, because of our main scientific interest, adipogenic, osteogenic, chondrogenic, and neurogenic differentiation abilities of adipose-derived mesenchymal stem cells, as well as their possible therapeutic applications, are chiefly focused. In addition, their ability to differentiate toward muscle, epithelial, pancreatic, and hepatic cells is briefly reported.
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Affiliation(s)
- Debora Lo Furno
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania , Catania, Italy
| | - Giuliana Mannino
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania , Catania, Italy
| | - Venera Cardile
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania , Catania, Italy
| | - Rosalba Parenti
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania , Catania, Italy
| | - Rosario Giuffrida
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania , Catania, Italy
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Brum AM, van de Peppel J, van der Leije CS, Schreuders-Koedam M, Eijken M, van der Eerden BCJ, van Leeuwen JPTM. Connectivity Map-based discovery of parbendazole reveals targetable human osteogenic pathway. Proc Natl Acad Sci U S A 2015; 112:12711-6. [PMID: 26420877 PMCID: PMC4611615 DOI: 10.1073/pnas.1501597112] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Osteoporosis is a common skeletal disorder characterized by low bone mass leading to increased bone fragility and fracture susceptibility. In this study, we have identified pathways that stimulate differentiation of bone forming osteoblasts from human mesenchymal stromal cells (hMSCs). Gene expression profiling was performed in hMSCs differentiated toward osteoblasts (at 6 h). Significantly regulated genes were analyzed in silico, and the Connectivity Map (CMap) was used to identify candidate bone stimulatory compounds. The signature of parbendazole matches the expression changes observed for osteogenic hMSCs. Parbendazole stimulates osteoblast differentiation as indicated by increased alkaline phosphatase activity, mineralization, and up-regulation of bone marker genes (alkaline phosphatase/ALPL, osteopontin/SPP1, and bone sialoprotein II/IBSP) in a subset of the hMSC population resistant to the apoptotic effects of parbendazole. These osteogenic effects are independent of glucocorticoids because parbendazole does not up-regulate glucocorticoid receptor (GR) target genes and is not inhibited by the GR antagonist mifepristone. Parbendazole causes profound cytoskeletal changes including degradation of microtubules and increased focal adhesions. Stabilization of microtubules by pretreatment with Taxol inhibits osteoblast differentiation. Parbendazole up-regulates bone morphogenetic protein 2 (BMP-2) gene expression and activity. Cotreatment with the BMP-2 antagonist DMH1 limits, but does not block, parbendazole-induced mineralization. Using the CMap we have identified a previously unidentified lineage-specific, bone anabolic compound, parbendazole, which induces osteogenic differentiation through a combination of cytoskeletal changes and increased BMP-2 activity.
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Affiliation(s)
- Andrea M Brum
- Department of Internal Medicine, Erasmus MC, 3015 CN Rotterdam, The Netherlands
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Masuda E, Shirai K, Maekubo K, Hirai Y. A newly established culture method highlights regulatory roles of retinoic acid on morphogenesis and calcification of mammalian limb cartilage. Biotechniques 2015; 58:318-24. [DOI: 10.2144/000114300] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 03/25/2015] [Indexed: 11/23/2022] Open
Abstract
During mammalian embryogenesis, sclerotome-derived chondrocytes in the limb bud are arranged into a complicated bone shape with specific areas undergoing hypertrophy and calcification, creating a region-specific mineralized pattern in the cartilage. To follow chondrogenesis progression in vitro, we isolated limb cartilage from mice on embryonic day 13 (E13) and cultured it at the air-liquid interface after microsurgical removal of the ectoderm/epidermis. Explants underwent proper morphogenesis, giving rise to complete templates for limb bones in vitro. We found that region-specific calcification patterns resembling limbs of prepartum mature embryos could be induced in explants using culture medium containing high concentrations of CaCl2 (Ca), ascorbic acid (AA), and β-glycerophosphoric acid (BGP). In this culture system, excess amounts of all-trans retinoic acid (RA) severely disrupted morphogenesis and calcification patterns in limb cartilage. These effects were more pronounced in forearms than in phalanges. Although dissociated, the nascent chondrocytes in culture did not give rise to cartilage units even though augmented calcification was induced in these cell aggregates in the presence of RA. Taken together, our newly established culture system revealed that RA independently regulates three-dimensional morphogenesis and calcification.
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Affiliation(s)
- Eizo Masuda
- Department of Bioscience, Kwansei Gakuin University, Sanda, Japan
| | - Kota Shirai
- Department of Bioscience, Kwansei Gakuin University, Sanda, Japan
| | - Kenji Maekubo
- Department of Bioscience, Kwansei Gakuin University, Sanda, Japan
| | - Yohei Hirai
- Department of Bioscience, Kwansei Gakuin University, Sanda, Japan
- Research Center for Intelligent Bio-Materials, Kwansei Gakuin University, Sanda, Japan
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Madhu V, Kilanski A, Reghu N, Dighe AS, Cui Q. Expression of CD105 and CD34 receptors controls BMP-induced in vitro mineralization of mouse adipose-derived stem cells but does not predict their in vivo bone-forming potential. J Orthop Res 2015; 33:625-32. [PMID: 25728702 DOI: 10.1002/jor.22883] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 02/24/2015] [Indexed: 02/04/2023]
Abstract
Adipose-derived stem cells (ADSCs) can be excellent alternative to bone marrow derived stem cells for enhancing fracture repair since ADSCs can be isolated comparatively in large numbers from discarded lipoaspirates. However, osteogenic potential of ADSCs in vivo is very controversial. We hypothesized that adipose-derived stem cells (ADSCs) that respond maximally to bone morphogenetic proteins (BMPs) in vitro would possess maximum bone-forming potential. Four purified populations of mouse ADSCs: CD105(+) CD34(+), CD105(-) CD34(-), CD105(+) CD34(-) and CD105(-) CD34(+) were obtained using fluorescence-activated cell sorting (FACS) and their BMP-responsiveness was determined in vitro. CD105(+) CD34(-) population showed the strongest response to BMPs in terms of robust increase in mineralization. Expression of CD105 correlated with high BMP-responsive phenotype and larger cell size while expression of CD34 correlated with low BMP-responsive phenotype and smaller cell size. CD105(+) CD34(-) population displayed higher gene expression of Alk1 or Alk6 receptors in comparison with other populations. However, CD105(+) CD34(-) ADSCs failed to induce ectopic bone formation in vivo after they were transplanted into syngeneic mice, indicating that in vitro BMP-responsiveness is not a good indicator to predict in vivo bone forming potential of ADSCs. Therefore greater precautions should be executed during selection of competent ADSCs for bone repair.
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Affiliation(s)
- Vedavathi Madhu
- Department of Orthopaedic Surgery, Orthopaedic Research Laboratories, School of Medicine, University of Virginia, Charlottesville, Virginia, 22908
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Optimizing the osteogenic differentiation of human mesenchymal stromal cells by the synergistic action of growth factors. J Craniomaxillofac Surg 2014; 42:2002-9. [DOI: 10.1016/j.jcms.2014.09.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2014] [Revised: 08/06/2014] [Accepted: 09/25/2014] [Indexed: 01/02/2023] Open
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Cruz ACC, Caon T, Menin Á, Granato R, Boabaid F, Simões CMO. Adipose-derived stem cells incorporated into platelet-rich plasma improved bone regeneration and maturation in vivo. Dent Traumatol 2014; 31:42-8. [PMID: 25336206 DOI: 10.1111/edt.12134] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2014] [Indexed: 12/19/2022]
Abstract
BACKGROUND/AIM Some cases of tooth loss related to dental trauma require bone-grafting procedures to improve the aesthetics before prosthetic rehabilitation or to enable the installation of dental implants. Bone regeneration is often a challenge and could be largely improved by mesenchymal stem cells therapy. However, the appropriate scaffold for these cells still a problem. This study evaluated the in vivo effect of human adipose-derived stem cells incorporated into autogenous platelet-rich plasma in bone regeneration and maturation. MATERIAL AND METHODS Adipose-derived stem cells were isolated from lipoaspirate tissues and used at passage 4. Immunophenotyping and multilineage differentiation of cells were performed and mesenchymal stem cells characteristics confirmed. Bicortical bone defects (10 mm diameter) were created in the tibia of six beagle dogs to evaluate the effect of adipose-derived stem cells incorporated into platelet-rich plasma scaffolds, platelet-rich plasma alone, autogenous bone grafts, and clot. Samples were removed 6 weeks postsurgeries and analyzed by quantification of primary and secondary bone formation and granulation tissue. RESULTS Adipose-derived stem cells incorporated into platelet-rich plasma scaffolds promoted the highest bone formation (primary + secondary bone) (P < 0.001), the highest bone maturation (secondary bone) (P < 0.001), and the lowest amount of granulation tissue (P < 0.001). CONCLUSIONS Adipose-derived stem cells incorporated into platelet-rich plasma scaffolds promote more bone formation and maturation, and less granulation tissue in bone defects created in canine tibia. Therefore, platelet-rich plasma can be considered as a candidate scaffold for adipose-derived stem cells to promote bone regeneration.
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Yang X, Li CJ, Wan Y, Smith P, Shang G, Cui Q. Antioxidative fullerol promotes osteogenesis of human adipose-derived stem cells. Int J Nanomedicine 2014; 9:4023-31. [PMID: 25187705 PMCID: PMC4149442 DOI: 10.2147/ijn.s66785] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Antioxidants were implicated as potential reagents to enhance osteogenesis, and nano-fullerenes have been demonstrated to have a great antioxidative capacity by both in vitro and in vivo experiments. In this study, we assessed the impact of a polyhydroxylated fullerene, fullerol, on the osteogenic differentiation of human adipose-derived stem cells (ADSCs). Fullerol was not toxic against human ADSCs at concentrations up to 10 μM. At a concentration of 1 μM, fullerol reduced cellular reactive oxygen species after a 5-day incubation either in the presence or in the absence of osteogenic media. Pretreatment of fullerol for 7 days increased the osteogenic potential of human ADSCs. Furthermore, when incubated together with osteogenic medium, fullerol promoted osteogenic differentiation in a dose-dependent manner. Finally, fullerol proved to promote expression of FoxO1, a major functional isoform of forkhead box O transcription factors that defend against reactive oxygen species in bone. Although further clarification of related mechanisms is required, the findings may help further development of a novel approach for bone repair, using combined treatment of nano-fullerol with ADSCs.
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Affiliation(s)
- Xinlin Yang
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Ching-Ju Li
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Yueping Wan
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Pinar Smith
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Guowei Shang
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Quanjun Cui
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville, VA, USA
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Ongaro A, Pellati A, Bagheri L, Fortini C, Setti S, De Mattei M. Pulsed electromagnetic fields stimulate osteogenic differentiation in human bone marrow and adipose tissue derived mesenchymal stem cells. Bioelectromagnetics 2014; 35:426-36. [PMID: 25099126 DOI: 10.1002/bem.21862] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 05/22/2014] [Indexed: 12/21/2022]
Abstract
Pulsed electromagnetic fields (PEMFs) play a regulatory role on osteoblast activity and are clinically beneficial during fracture healing. Human mesenchymal stem cells (MSCs) derived from different sources have been extensively used in bone tissue engineering. Compared with MSCs isolated from bone marrow (BMSCs), those derived from adipose tissue (ASCs) are easier to obtain and available in larger amounts, although they show a less osteogenic differentiation potential than BMSCs. The hypothesis tested in this study was to evaluate whether PEMFs favor osteogenic differentiation both in BMSCs and in ASCs and to compare the role of PEMFs alone and in combination with the biochemical osteogenic stimulus bone morphogenetic protein (BMP)-2. Early and later osteogenic markers, such as alkaline phosphatase (ALP) activity, osteocalcin levels, and matrix mineralization, were analyzed at different times during osteogenic differentiation. Results showed that PEMFs induced osteogenic differentiation by increasing ALP activity, osteocalcin, and matrix mineralization in both BMSCs and ASCs, suggesting that PEMF activity is maintained during the whole differentiation period. The addition of BMP-2 in PEMF exposed cultures further increased all the osteogenic markers in BMSCs, while in ASCs, the stimulatory role of PEMFs was independent of BMP-2. Our results indicate that PEMFs may stimulate an early osteogenic induction in both BMSCs and ASCs and they suggest PEMFs as a bioactive factor to enhance the osteogenesis of ASCs, which are an attractive cell source for clinical applications. In conclusion, PEMFs may be considered a possible tool to improve autologous cell-based regeneration of bone defects in orthopedics.
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Affiliation(s)
- Alessia Ongaro
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
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Brie IC, Soritau O, Dirzu N, Berce C, Vulpoi A, Popa C, Todea M, Simon S, Perde-Schrepler M, Virag P, Barbos O, Chereches G, Berce P, Cernea V. Comparative in vitro study regarding the biocompatibility of titanium-base composites infiltrated with hydroxyapatite or silicatitanate. J Biol Eng 2014; 8:14. [PMID: 24987458 PMCID: PMC4077223 DOI: 10.1186/1754-1611-8-14] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 06/13/2014] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The development of novel biomaterials able to control cell activities and direct their fate is warranted for engineering functional bone tissues. Adding bioactive materials can improve new bone formation and better osseointegration. Three types of titanium (Ti) implants were tested for in vitro biocompatibility in this comparative study: Ti6Al7Nb implants with 25% total porosity used as controls, implants infiltrated using a sol-gel method with hydroxyapatite (Ti HA) and silicatitanate (Ti SiO2). The behavior of human osteoblasts was observed in terms of adhesion, cell growth and differentiation. RESULTS The two coating methods have provided different morphological and chemical properties (SEM and EDX analysis). Cell attachment in the first hour was slower on the Ti HA scaffolds when compared to Ti SiO2 and porous uncoated Ti implants. The Alamar blue test and the assessment of total protein content uncovered a peak of metabolic activity at day 8-9 with an advantage for Ti SiO2 implants. Osteoblast differentiation and de novo mineralization, evaluated by osteopontin (OP) expression (ELISA and immnocytochemistry), alkaline phosphatase (ALP) activity, calcium deposition (alizarin red), collagen synthesis (SIRCOL test and immnocytochemical staining) and osteocalcin (OC) expression, highlighted the higher osteoconductive ability of Ti HA implants. Higher soluble collagen levels were found for cells cultured in simple osteogenic differentiation medium on control Ti and Ti SiO2 implants. Osteocalcin (OC), a marker of terminal osteoblastic differentiation, was most strongly expressed in osteoblasts cultivated on Ti SiO2 implants. CONCLUSIONS The behavior of osteoblasts depends on the type of implant and culture conditions. Ti SiO2 scaffolds sustain osteoblast adhesion and promote differentiation with increased collagen and non-collagenic proteins (OP and OC) production. Ti HA implants have a lower ability to induce cell adhesion and proliferation but an increased capacity to induce early mineralization. Addition of growth factors BMP-2 and TGFβ1 in differentiation medium did not improve the mineralization process. Both types of infiltrates have their advantages and limitations, which can be exploited depending on local conditions of bone lesions that have to be repaired. These limitations can also be offset through methods of functionalization with biomolecules involved in osteogenesis.
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Affiliation(s)
- Ioana-Carmen Brie
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania ; University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, Cluj-Napoca, Romania
| | - Olga Soritau
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania
| | | | - Cristian Berce
- University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, Cluj-Napoca, Romania
| | - Adriana Vulpoi
- Faculty of Physics & Institute of Interdisciplinary Research in Bio-Nano-Sciences, Babes Bolyai University, 400084 Cluj-Napoca, Romania
| | | | - Milica Todea
- Faculty of Physics & Institute of Interdisciplinary Research in Bio-Nano-Sciences, Babes Bolyai University, 400084 Cluj-Napoca, Romania
| | - Simion Simon
- Faculty of Physics & Institute of Interdisciplinary Research in Bio-Nano-Sciences, Babes Bolyai University, 400084 Cluj-Napoca, Romania
| | - Maria Perde-Schrepler
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania
| | - Piroska Virag
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania
| | - Otilia Barbos
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania
| | - Gabriela Chereches
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania
| | | | - Valentin Cernea
- The Institute of Oncology "Prof. Dr. I. Chiricuta" Cluj-Napoca, Cluj-Napoca, Romania ; University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, Cluj-Napoca, Romania
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