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Xiang YY, Won JH, Lee SJ, Baek KW. The Effect of Exercise on Mesenchymal Stem Cells and their Application in Obesity Treatment. Stem Cell Rev Rep 2024:10.1007/s12015-024-10755-x. [PMID: 38954390 DOI: 10.1007/s12015-024-10755-x] [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] [Accepted: 06/22/2024] [Indexed: 07/04/2024]
Abstract
Mesenchymal stem cells (MSCs) have demonstrated considerable potential in tissue repair and the treatment of immune-related diseases, but there are problems with homing efficiency during MSCs transplantation. Exercise, as an intervention, has been shown to have an important impact on the properties of MSCs. This review summarizes the effects of exercise on the properties (including proliferation, apoptosis, differentiation, and homing) of bone marrow-derived MSCs and adipose-derived MSCs. Studies indicated that exercise enhances bone marrow-derived MSCs proliferation, osteogenic differentiation, and homing while reducing adipogenic differentiation. For adipose-derived MSCs, exercise enhances proliferation and reduces adipogenic differentiation. In addition, studies have investigated the therapeutic effects of combined therapy of MSCs transplantation with exercise on diseases of the bone, cardiac, and nervous systems. The combined therapy improves tissue repair by increasing the homing of transplanted MSCs and cytokine secretion (such as neurotrophin 4). Furthermore, MSCs transplantation also has potential for the treatment of obesity. Although the effect is not significant in weight loss, MSCs transplantation shows effects in controlling blood glucose, improving dyslipidemia, reducing inflammation, and improving liver disease. Finally, the potential role of combined MSCs transplantation and exercise therapy in addressing obesity is discussed.
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Affiliation(s)
- Ying-Ying Xiang
- Department of Physical Education, Gyeongsang National University, Jinju, 52828, Korea
| | - Jong-Hwa Won
- Department of Physical Education, Gyeongsang National University, Jinju, 52828, Korea
| | - Sam-Jun Lee
- Department of Sport Rehabilitation, College of Health, Tongmyong University, Welfare, and Education, Busan, 48520, Korea
| | - Kyung-Wan Baek
- Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju, 52828, Korea.
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Yan L, Guo L. Exercise-regulated white adipocyte differentitation: An insight into its role and mechanism. J Cell Physiol 2023; 238:1670-1692. [PMID: 37334782 DOI: 10.1002/jcp.31056] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 06/20/2023]
Abstract
White adipocytes play a key role in the regulation of fat mass amount and energy balance. An appropriate level of white adipocyte differentiation is important for maintaining metabolic homeostasis. Exercise, an important way to improve metabolic health, can regulate white adipocyte differentiation. In this review, the effect of exercise on the differentiation of white adipocytes is summarized. Exercise could regulate adipocyte differentiation in multiple ways, such as exerkines, metabolites, microRNAs, and so on. The potential mechanism underlying the role of exercise in adipocyte differentiation is also reviewed and discussed. In-depth investigation of the role and mechanism of exercise in white adipocyte differentiation would provide new insights into exercise-mediated improvement of metabolism and facilitate the application of exercise-based strategy against obesity.
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Affiliation(s)
- Linjing Yan
- School of Exercise and Health and Collaborative Innovation Center for Sports and Public Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
- Key Laboratory of Exercise and Health Sciences (Shanghai University of Sport), Ministry of Education, Shanghai, China
| | - Liang Guo
- School of Exercise and Health and Collaborative Innovation Center for Sports and Public Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
- Key Laboratory of Exercise and Health Sciences (Shanghai University of Sport), Ministry of Education, Shanghai, China
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Effect of Hydrogen Oxide-Induced Oxidative Stress on Bone Formation in the Early Embryonic Development Stage of Chicken. Biomolecules 2023; 13:biom13010154. [PMID: 36671539 PMCID: PMC9855391 DOI: 10.3390/biom13010154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/02/2023] [Accepted: 01/09/2023] [Indexed: 01/15/2023] Open
Abstract
The current study aimed to monitor the impact of H2O2-induced oxidative stress on avian bone formation during the early stage of embryonic development. Fertilized Cobb broiler eggs were divided into five treatment groups and micro-injected with varying concentrations of H2O2, i.e., control (PBS; 0 nM), 10 nM, 30 nM, 100 nM, and 300 nM, on embryonic day 3, with continued incubation thereafter. The treatment concentrations were selected based on the level of lipid peroxidation and the survival rate of embryo. Embryos were collected at 6 h, 24 h, 48 h, and 72 h post-injection. The mRNA expression levels of apoptotic markers, antioxidant enzymes, and early bone formation gene markers were measured. The results showed that the microinjection of H2O2 altered the expression pattern of antioxidant enzymes' mRNA during early embryogenesis and decreased the expression of COL1A2 and COL2A1 at 6 h and 24 h post-injection. Decreased expression of BMP, BGLAP, and RUNX2 was observed 48 h post-injection. Additionally, a shorter embryo length was observed in the 100 nM and 300 nM H2O2 treatment groups 72 h post-injection. In conclusion, H2O2-induced oxidative stress suppressed the expression of bone formation gene markers, with chronic effects on avian embryonic development.
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Amaroli A, Pasquale C, Zekiy A, Benedicenti S, Marchegiani A, Sabbieti MG, Agas D. Steering the multipotent mesenchymal cells towards an anti-inflammatory and osteogenic bias via photobiomodulation therapy: How to kill two birds with one stone. J Tissue Eng 2022; 13:20417314221110192. [PMID: 35832724 PMCID: PMC9272199 DOI: 10.1177/20417314221110192] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 06/13/2022] [Indexed: 12/17/2022] Open
Abstract
The bone marrow-derived multipotent mesenchymal cells (MSCs) have captured scientific interest due to their multi-purpose features and clinical applications. The operational dimension of MSCs is not limited to the bone marrow reservoir, which exerts bone-building and niche anabolic tasks; they also meet the needs of quenching inflammation and restoring inflamed tissues. Thus, the range of MSC activities extends to conditions such as neurodegenerative diseases, immune disorders and various forms of osteopenia. Steering these cells towards becoming an effective therapeutic tool has become mandatory. Many laboratories have employed distinct strategies to improve the plasticity and secretome of MSCs. We aimed to present how photobiomodulation therapy (PBM-t) can manipulate MSCs to render them an extraordinary anti-inflammatory and osteogenic instrument. Moreover, we discuss the outcomes of different PBM-t protocols on MSCs, concluding with some perplexities and complexities of PBM-t in vivo but encouraging and feasible in vitro solutions.
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Affiliation(s)
- Andrea Amaroli
- Department of Surgical and Diagnostic Sciences, University of Genoa, Genoa, Italy.,Department of Orthopedic Dentistry, Faculty of Dentistry, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Claudio Pasquale
- Department of Surgical and Diagnostic Sciences, University of Genoa, Genoa, Italy
| | - Angelina Zekiy
- Department of Orthopedic Dentistry, Faculty of Dentistry, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Stefano Benedicenti
- Department of Surgical and Diagnostic Sciences, University of Genoa, Genoa, Italy
| | - Andrea Marchegiani
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
| | | | - Dimitrios Agas
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
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Jin J, Seddiqi H, Bakker AD, Wu G, Verstappen JFM, Haroon M, Korfage JAM, Zandieh‐Doulabi B, Werner A, Klein‐Nulend J, Jaspers RT. Pulsating fluid flow affects pre-osteoblast behavior and osteogenic differentiation through production of soluble factors. Physiol Rep 2021; 9:e14917. [PMID: 34174021 PMCID: PMC8234477 DOI: 10.14814/phy2.14917] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 11/24/2022] Open
Abstract
Bone mass increases after error-loading, even in the absence of osteocytes. Loaded osteoblasts may produce a combination of growth factors affecting adjacent osteoblast differentiation. We hypothesized that osteoblasts respond to a single load in the short-term (minutes) by changing F-actin stress fiber distribution, in the intermediate-term (hours) by signaling molecule production, and in the long-term (days) by differentiation. Furthermore, growth factors produced during and after mechanical loading by pulsating fluid flow (PFF) will affect osteogenic differentiation. MC3T3-E1 pre-osteoblasts were either/not stimulated by 60 min PFF (amplitude, 1.0 Pa; frequency, 1 Hz; peak shear stress rate, 6.5 Pa/s) followed by 0-6 h, or 21/28 days of post-incubation without PFF. Computational analysis revealed that PFF immediately changed distribution and magnitude of fluid dynamics over an adherent pre-osteoblast inside a parallel-plate flow chamber (immediate impact). Within 60 min, PFF increased nitric oxide production (5.3-fold), altered actin distribution, but did not affect cell pseudopodia length and cell orientation (initial downstream impact). PFF transiently stimulated Fgf2, Runx2, Ocn, Dmp1, and Col1⍺1 gene expression between 0 and 6 h after PFF cessation. PFF did not affect alkaline phosphatase nor collagen production after 21 days, but altered mineralization after 28 days. In conclusion, a single bout of PFF with indirect associated release of biochemical factors, stimulates osteoblast differentiation in the long-term, which may explain enhanced bone formation resulting from mechanical stimuli.
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Affiliation(s)
- Jianfeng Jin
- Department of Oral Cell BiologyAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Hadi Seddiqi
- Department of Oral Cell BiologyAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Astrid D. Bakker
- Department of Oral Cell BiologyAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Gang Wu
- Department of Oral Implantology and Prosthetic DentistryAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Johanna F. M. Verstappen
- Division of Molecular Intensive Care MedicineDepartment of Anesthesiology and Intensive Care MedicineUniversity Hospital TuebingenTübingenGermany
| | - Mohammad Haroon
- Laboratory for MyologyFaculty of Behavioral and Movement SciencesVrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Joannes A. M. Korfage
- Department of Functional AnatomyAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Behrouz Zandieh‐Doulabi
- Department of Oral Cell BiologyAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Arie Werner
- Department of Dental Materials ScienceAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Jenneke Klein‐Nulend
- Department of Oral Cell BiologyAcademic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
| | - Richard T. Jaspers
- Laboratory for MyologyFaculty of Behavioral and Movement SciencesVrije Universiteit AmsterdamAmsterdam Movement SciencesAmsterdamThe Netherlands
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de Sire A, Marotta N, Marinaro C, Curci C, Invernizzi M, Ammendolia A. Role of Physical Exercise and Nutraceuticals in Modulating Molecular Pathways of Osteoarthritis. Int J Mol Sci 2021; 22:5722. [PMID: 34072015 PMCID: PMC8198532 DOI: 10.3390/ijms22115722] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a painful and disabling disease that affects millions of patients. Its etiology is largely unknown, but it is most likely multifactorial. OA pathogenesis involves the catabolism of the cartilage extracellular matrix and is supported by inflammatory and oxidative signaling pathways and marked epigenetic changes. To delay OA progression, a wide range of exercise programs and naturally derived compounds have been suggested. This literature review aims to analyze the main signaling pathways and the evidence about the synergistic effects of these two interventions to counter OA. The converging nutrigenomic and physiogenomic intervention could slow down and reduce the complex pathological features of OA. This review provides a comprehensive picture of a possible signaling approach for targeting OA molecular pathways, initiation, and progression.
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Affiliation(s)
- Alessandro de Sire
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Nicola Marotta
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Cinzia Marinaro
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Claudio Curci
- Physical Medicine and Rehabilitation Unit, Department of Neurosciences, ASST Carlo Poma, 46100 Mantova, Italy;
| | - Marco Invernizzi
- Physical Medicine and Rehabilitation, Department of Health Sciences, University of Eastern Piedmont, 28100 Novara, Italy;
- Translational Medicine, Dipartimento Attività Integrate Ricerca e Innovazione (DAIRI), Azienda Ospedaliera S.S. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy
| | - Antonio Ammendolia
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
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Porwal K, Pal S, Bhagwati S, Siddiqi MI, Chattopadhyay N. Therapeutic potential of phosphodiesterase inhibitors in the treatment of osteoporosis: Scopes for therapeutic repurposing and discovery of new oral osteoanabolic drugs. Eur J Pharmacol 2021; 899:174015. [PMID: 33711307 DOI: 10.1016/j.ejphar.2021.174015] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 02/19/2021] [Accepted: 03/03/2021] [Indexed: 01/05/2023]
Abstract
Cyclic nucleotide phosphodiesterases (PDEs) are ubiquitously expressed enzymes that hydrolyze phosphodiester bond in the second messenger molecules including cAMP and cGMP. A wide range of drugs blocks one or more PDEs thereby preventing the inactivation of cAMP/cGMP. PDEs are differentially expressed in bone cells including osteoblasts, osteoclasts and chondrocytes. Intracellular increases in cAMP/cGMP levels in osteoblasts result in osteogenic response. Acting via the type 1 PTH receptor, teriparatide and abaloparatide increase intracellular cAMP and induce osteoanabolic effect, and many PDE inhibitors mimic this effect in preclinical studies. Since all osteoanabolic drugs are injectable and that oral drugs are considered to improve the treatment adherence and persistence, osteogenic PDE inhibitors could be a promising alternative to the currently available osteogenic therapies and directly assessed clinically in drug repurposing mode. Similar to teriparatide/abaloparatide, PDE inhibitors while stimulating osteoblast function also promote osteoclast function through stimulation of receptor activator of nuclear factor kappa-B ligand production from osteoblasts. In this review, we critically discussed the effects of PDE inhibitors in bone cells from cellular signalling to a variety of preclinical models that evaluated the bone formation mechanisms. We identified pentoxifylline (a non-selective PDE inhibitor) and rolipram (a PDE4 selective inhibitor) being the most studied inhibitors with osteogenic effect in preclinical models of bone loss at ≤ human equivalent doses, which suggest their potential for post-menopausal osteoporosis treatment through therapeutic repurposing. Subsequently, we treated pentoxifylline and rolipram as prototypical osteogenic PDEs to predict new chemotypes via the computer-aided design strategies for new drugs, based on the structural biology of PDEs.
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Affiliation(s)
- Konica Porwal
- Division of Endocrinology and Centre for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), India
| | - Subhashis Pal
- Division of Endocrinology and Centre for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), India
| | - Sudha Bhagwati
- Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Sector 10/1 Jankipuram Extension, Sitapur Road, Lucknow, 226 031, India
| | - Mohd Imran Siddiqi
- Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Sector 10/1 Jankipuram Extension, Sitapur Road, Lucknow, 226 031, India
| | - Naibedya Chattopadhyay
- Division of Endocrinology and Centre for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), India.
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Smith JK. Exercise as an Adjuvant to Cartilage Regeneration Therapy. Int J Mol Sci 2020; 21:ijms21249471. [PMID: 33322825 PMCID: PMC7763351 DOI: 10.3390/ijms21249471] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/03/2020] [Accepted: 12/10/2020] [Indexed: 02/06/2023] Open
Abstract
This article provides a brief review of the pathophysiology of osteoarthritis and the ontogeny of chondrocytes and details how physical exercise improves the health of osteoarthritic joints and enhances the potential of autologous chondrocyte implants, matrix-induced autologous chondrocyte implants, and mesenchymal stem cell implants for the successful treatment of damaged articular cartilage and subchondral bone. In response to exercise, articular chondrocytes increase their production of glycosaminoglycans, bone morphogenic proteins, and anti-inflammatory cytokines and decrease their production of proinflammatory cytokines and matrix-degrading metalloproteinases. These changes are associated with improvements in cartilage organization and reductions in cartilage degeneration. Studies in humans indicate that exercise enhances joint recruitment of bone marrow-derived mesenchymal stem cells and upregulates their expression of osteogenic and chondrogenic genes, osteogenic microRNAs, and osteogenic growth factors. Rodent experiments demonstrate that exercise enhances the osteogenic potential of bone marrow-derived mesenchymal stem cells while diminishing their adipogenic potential, and that exercise done after stem cell implantation may benefit stem cell transplant viability. Physical exercise also exerts a beneficial effect on the skeletal system by decreasing immune cell production of osteoclastogenic cytokines interleukin-1β, tumor necrosis factor-α, and interferon-γ, while increasing their production of antiosteoclastogenic cytokines interleukin-10 and transforming growth factor-β. In conclusion, physical exercise done both by bone marrow-derived mesenchymal stem cell donors and recipients and by autologous chondrocyte donor recipients may improve the outcome of osteochondral regeneration therapy and improve skeletal health by downregulating osteoclastogenic cytokine production and upregulating antiosteoclastogenic cytokine production by circulating immune cells.
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Affiliation(s)
- John Kelly Smith
- Departments of Academic Affairs and Biomedical Sciences, James H. Quillen College of Medicine, East Tennessee State University, P.O. Box 70300, Johnson City, TN 37614, USA
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Serra T, Santos F, Coelho M, Silva C, Melo F, Souza A, Primo J, Rodrigues D, Gomez M, Glória J, Ocarino N, Serakides R, Melo E. ω-Conotoxina MVIIC e células-tronco mesenquimais promovem recuperação motora em ratos Wistar após trauma medular agudo. ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
RESUMO O objetivo deste estudo foi avaliar o efeito da ω-conotoxina MVIIC e das células-tronco mesenquimais (CTM) de forma isolada e sua associação nos ratos submetidos ao trauma medular agudo (TMA). Trinta Rattus novergicus, linhagem Wistar, três meses de idade, foram distribuídos igualmente em cinco grupos experimentais: controle negativo (CN), controle positivo (CP), ω-conotoxina MVIIC (MVIIC), células-tronco mesenquimais da medula óssea (CTM-MO) e associação (MVIIC + CTM-MO). O grupo CN foi submetido à laminectomia sem trauma medular, e os grupos CP, MVIIC, CTM-MO e MVIIC + CTM-MO foram submetidos ao trauma medular contusivo. O grupo CP recebeu, uma hora após o TMA, 10μL de PBS estéril, e os grupos MVIIC e MVIIC + CTM-MO receberam 10μL de PBS contendo 20pmol da ω-conotoxina MVIIC, todos por via intratecal. Os grupos CTM-MO e MVIIC + CTM-MO receberam, 24 horas após, 1x106 de CTM via intravenosa. Avaliou-se a recuperação da função locomotora até o sétimo dia pós-trauma. Os animais tratados com MVIIC + CTM-MO obtiveram recuperação motora após o trauma medular agudo (P<0,05). Conclui-se que essa associação apresentou efeito neuroprotetor com melhora na função locomotora em ratos Wistar.
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Affiliation(s)
- T.L. Serra
- Universidade Federal de Minas Gerais, Brazil
| | - F.E. Santos
- Universidade Federal de Minas Gerais, Brazil
| | | | - C.M.O. Silva
- Pontifícia Universidade Católica de Minas Gerais, Brazil
| | - F.G. Melo
- Universidade Federal de Minas Gerais, Brazil
| | | | | | | | | | - J.R. Glória
- Universidade Federal de Minas Gerais, Brazil
| | | | | | - E.G. Melo
- Universidade Federal de Minas Gerais, Brazil
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Ren W, Gan D, Tan G, Xue H, Li N, Xu Z. CHANGES OF WNT/B-CATENIN SIGNALING AND DIFFERENTIATION POTENTIAL OF BONE MARROW MESENCHYMAL STEM CELLS IN PROCESS OF BONE LOSS IN OVARIECTOMIZED RATS. ACTA ENDOCRINOLOGICA-BUCHAREST 2020; 16:156-164. [PMID: 33029231 DOI: 10.4183/aeb.2020.156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background In vitro studies of the changes about osteoblastogenesis and adipogenesis potential of BMSCs were not clear. As it is the critical pathway for osteogenic differentiation and bone formation, whether or not Wnt/β-catenin signalling is involved in the changes of osteogenic and adipogenic potential of BMSCs and participates in bone content decrease of ovariectomized (OVX)osteoporosis rats has been rarely reported. Material/Methods BMSCs from femurs of ovariectomzed rats were isolated and cultured in vitro. The proliferation potential of BMSCs was analysed by CCK-8 assays . Osteoblastic and adipogenic differentiation potential of the BMSCs was assessed by ALP activity assay, Alizarin red S staining, Oil red O staining and RT-PCR analysis. Results The results demonstrated that BMSCs from bilateral ovariectomization rats were endowed with lower proliferation and osteoblastic differentiation potential but higher adipogenic potential than the control group in vitro. In addition, β-catenin was found to have been decreased in OVX BMSCs, indicating that Wnt/β-catenin signalling pathways were suppressed in OVX BMSCs . Conclusions Results suggested that changes in the Wnt canonical signalling pathway may be related to imbalances of osteogenic and adipogenic potential of BMSCs, and this may be an important factor related to bone content decrease in ovariectomized osteoporosis rats.
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Mosqueira L, Barrioni BR, Martins T, Ocarino NDM, Serakides R, Pereira MDM. In vitro effects of the co-release of icariin and strontium from bioactive glass submicron spheres on the reduced osteogenic potential of rat osteoporotic bone marrow mesenchymal stem cells. ACTA ACUST UNITED AC 2020; 15:055023. [PMID: 32375130 DOI: 10.1088/1748-605x/ab9095] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Osteoporosis is a metabolic disease that affects bone tissue and is highly associated with bone fractures. Typical osteoporosis fracture treatments, such as bisphosphonates and hormone replacement, present important challenges because of their low bioavailability on the site of action. Options to overcome this issue are systems for the local release of therapeutic agents such as bioactive glasses containing therapeutic molecules and ions. These agents are released during the dissolution process, combining the drugs and ion therapeutic effects for osteoporosis treatment. Among the therapeutic agents that can be applied for bone repair are strontium (Sr) ion and phytopharmaceutical icariin, which have shown potential to promote healthy bone marrow stem cells osteogenic differentiation, increase bone formation and prevent bone loss. Submicron Sr-containing bioactive glass mesoporous spheres with sustained ion release capacity were obtained. Icariin was successfully incorporated into the particles, and the glass composition influenced the icariin incorporation efficiency and release rates. In this work, for the first time, Sr and icariin were incorporated into bioactive glass submicron mesoporous spheres and the in vitro effects of the therapeutic agents release were evaluated on the reduced osteogenic potential of rat osteoporotic bone marrow mesenchymal stem cells, and results showed an improvement on the reduced differentiation potential.
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Affiliation(s)
- Layla Mosqueira
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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12
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Pereira LJ, Macari S, Coimbra CC, Pereira TDSF, Barrioni BR, Gomez RS, Silva TA, Paiva SM. Aerobic and resistance training improve alveolar bone quality and interferes with bone-remodeling during orthodontic tooth movement in mice. Bone 2020; 138:115496. [PMID: 32585320 DOI: 10.1016/j.bone.2020.115496] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/18/2020] [Accepted: 06/19/2020] [Indexed: 12/27/2022]
Abstract
The direct effects of physical activity on long bones are already recognized. However, little information is available regarding distant osseous sites, such as maxillary bone. We evaluated the influence of physical training on alveolar bone quality, with and without mechanically-induced load during orthodontic tooth movement in mice. Forty-two C57BL/6 mice were divided into sedentary, resistance and aerobic training groups. Training period lasted for eight weeks and mechanical loads (orthodontic tooth movement - OTM) were applied during the last 14 days of training. Both types of training enhanced the quality of maxillary bone, increasing bone mineral density (BMD), trabecular bone volume (BV) and bone volume/total volume ratio (BV/TV). OTM significantly reduced in trained groups. Consistently, the number of osteoblasts increased whereas the number of osteoclasts decreased on the OTM side in trained groups in comparison to the sedentary group. IGF-1, RUNX2 and OPG genes expression were also increased. The RANKL/OPG ratio and IL-6 expression were reduced in the maxillary bone. Similar results were verified in the femoral bone. In line with these findings, physical training resulted in a decrease of osteoclast differentiation from femoral bone marrow; as well as the force required to fracture the tibia of trained animals increased. Physical training also caused EDL muscle hypertrophy and increased expression of IGF-1 and IGF-1/Myostatin ratio in the gastrocnemius muscle, whereas FNDC5 gene expression was similar among groups in femur, but decreased in alveolar bone submitted to OTM. In conclusion, physical training increased bone quality, not only on long bones, but also in a distant site such as the maxilla. Differences were more evident in the course of maxillary mechanical loading. Mechanisms involve systemic and local effects on bone cells and target molecules as RANKL, OPG, IL-6 and IGF-1.
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Affiliation(s)
- Luciano J Pereira
- Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil; Universidade Federal de Lavras - UFLA, Lavras, Brazil.
| | - Soraia Macari
- Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
| | | | | | | | | | - Tarcília A Silva
- Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Brazil
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Melo FG, Ocarino NM, Reis AMS, Gimeno EJ, Massone AR, Melo MM, Botelho AFM, Stehmann JR, Serakides R. The Solanum glaucophyllum Desf. extract reduces mineralized matrix synthesis in osteogenically differentiated rat mesenchymal stem cells in vitro. J Anim Physiol Anim Nutr (Berl) 2020; 104:1256-1266. [PMID: 32281708 DOI: 10.1111/jpn.13366] [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: 08/21/2019] [Revised: 02/20/2020] [Accepted: 03/14/2020] [Indexed: 11/29/2022]
Abstract
The Solanum glaucophyllum Desf. has been used to treat and prevent diseases in human and veterinary medicine. On the other hand, plant poisoning causes several bone diseases, among them osteoporosis, which is characterized by osteoblastic hypoplasia. Because the osteoblast is a cell derived from the differentiation of mesenchymal stem cells (MSCs) from bone marrow, the hypothesis is that the plant reduces the osteogenic differentiation of MSCs. The objective of this study was to evaluate the effects of S. glaucophyllum Desf. extract on MSCs cultured in osteogenic differentiation medium. We determined by liquid chromatography that 1 ml of plant extract contained 3.8 μl of 1,25(OH)2 D3 (calcitriol). Four groups of MSCs cultivated in osteogenic medium were evaluated as follows: (a) treated with 100 μl of extract/L containing 0.4 μg/L of calcitriol; (b) treated with 1 ml of extract/L containing 4 μg/L of calcitriol; (c) treated with 5 ml of extract/L containing 20 μg/L of calcitriol; and (d) a control group without extract. We performed alkaline phosphatase activity assay, analysis of MTT conversion to formazan, and evaluated the percentage of cells, and number and diameter of mineralization nodules. The expression of gene transcripts for osteopontin, bone sialoprotein and BMP-2 was analysed by RT-qPCR. After 21 days, there was a significant reduction in MTT conversion to formazan in treated groups, of the cellularity in the group with 5 ml of extract/L, and in the number and size of mineralization nodules in the groups treated with 1 and 5 ml of extract/L. The 5 ml extract/L concentration also reduced transcript expression of osteopontin. It is concluded that S. glaucophyllum Desf. at concentrations of 1 and 5 ml extract/L reduced mineralized matrix synthesis in MSCs cultivated in osteogenic differentiation medium, which suggests that this is one of the mechanisms by which osteoporosis occurs in intoxicated animals.
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Taniyama T, Saruta J, Mohammadzadeh Rezaei N, Nakhaei K, Ghassemi A, Hirota M, Okubo T, Ikeda T, Sugita Y, Hasegawa M, Ogawa T. UV-Photofunctionalization of Titanium Promotes Mechanical Anchorage in A Rat Osteoporosis Model. Int J Mol Sci 2020; 21:ijms21041235. [PMID: 32059603 PMCID: PMC7072956 DOI: 10.3390/ijms21041235] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/06/2020] [Accepted: 02/11/2020] [Indexed: 12/14/2022] Open
Abstract
Effects of UV-photofunctionalization on bone-to-titanium integration under challenging systemic conditions remain unclear. We examined the behavior and response of osteoblasts from sham-operated and ovariectomized (OVX) rats on titanium surfaces with or without UV light pre-treatment and the strength of bone-implant integration. Osteoblasts from OVX rats showed significantly lower alkaline phosphatase, osteogenic gene expression, and mineralization activities than those from sham rats. Bone density variables in the spine were consistently lower in OVX rats. UV-treated titanium was superhydrophilic and the contact angle of ddH2O was ≤5°. Titanium without UV treatment was hydrophobic with a contact angle of ≥80°. Initial attachment to titanium, proliferation, alkaline phosphatase activity, and gene expression were significantly increased on UV-treated titanium compared to that on control titanium in osteoblasts from sham and OVX rats. Osteoblastic functions compromised by OVX were elevated to levels equivalent to or higher than those of sham-operated osteoblasts following culture on UV-treated titanium. The strength of in vivo bone-implant integration for UV-treated titanium was 80% higher than that of control titanium in OVX rats and even higher than that of control implants in sham-operated rats. Thus, UV-photofunctionalization effectively enhanced bone-implant integration in OVX rats to overcome post-menopausal osteoporosis-like conditions.
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Affiliation(s)
- Takashi Taniyama
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
- Department of Orthopedic Surgery, Yokohama City Minato Red Cross Hospital, 3-12-1 Shinyamashita, Yokohama 231-8682, Kanagawa, Japan
| | - Juri Saruta
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
- Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 238-8580, Kanagawa, Japan
- Correspondence: ; Tel./Fax: +81-46-822-9537
| | - Naser Mohammadzadeh Rezaei
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Kourosh Nakhaei
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Amirreza Ghassemi
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Makoto Hirota
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
- Department of Oral and Maxillofacial Surgery/Orthodontics, Yokohama City University Medical Center, 4-57 Urafune-cho, Yokohama 232-0024, Kanagawa, Japan
| | - Takahisa Okubo
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Takayuki Ikeda
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Yoshihiko Sugita
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Masakazu Hasegawa
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
| | - Takahiro Ogawa
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA; (T.T.); (N.M.R.); (K.N.); (A.G.); (M.H.); (T.O.); (T.I.); (Y.S.); (M.H.); (T.O.)
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H. M. Nascimento M, T. Pelegrino M, C. Pieretti J, B. Seabra A. How can nitric oxide help osteogenesis? AIMS MOLECULAR SCIENCE 2020. [DOI: 10.3934/molsci.2020003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Bourzac C, Bensidhoum M, Pallu S, Portier H. Use of adult mesenchymal stromal cells in tissue repair: impact of physical exercise. Am J Physiol Cell Physiol 2019; 317:C642-C654. [PMID: 31241985 PMCID: PMC6850997 DOI: 10.1152/ajpcell.00530.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 06/17/2019] [Accepted: 06/17/2019] [Indexed: 02/06/2023]
Abstract
Physical exercise (PE) has unquestionable beneficial effects on health, which likely extend into several organ-to-cell physiological processes. At the cell scale, endogenous mesenchymal stromal cells (MSCs) contribute to tissue repair, although their repair capacities may be insufficient in paucicellular or severely damaged tissues. For this reason, MSC transplantation holds great promise for tissue repair. With the goals of understanding if PE has beneficial effects on MSC biology and if PE potentiates their role in tissue repair, we reviewed literature reports regarding the effects of PE on MSC properties (specifically, proliferation, differentiation, and homing) and of a combination of PE and MSC transplantation on tissue repair (specifically neural, cartilage, and muscular tissues). Contradictory results have been reported; interpretation is complicated because various and different species, cell sources, and experimental protocols, specifically exercise programs, have been used. On the basis of these data, the effects of exercise on MSC proliferation and differentiation depend on exercise characteristics (type, intensity, duration, etc.) and on the characteristics of the tissue from which the MSCs were collected. For the in vitro studies, the level of strain (and other details of the mechanical stimulus), the time elapsed between the end of exposure to strain and MSC collection, the age of the donors, as well as the passage number at which the MSCs are evaluated also play a role. The combination of PE and MSC engraftment improves neural, cartilage, and muscular tissue recovery, but it is not clear whether the effects of MSCs and exercise are additive or synergistic.
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Affiliation(s)
- Celine Bourzac
- Université de Paris, CNRS, INSERM, Laboratoire de Biologie, Bioingenierie et Bioimagerie Osteoarticulaires (B3OA), Paris, France
- Ecole Nationale Vétérinaire d'Alfort, Laboratoire de Biologie, Bioingenierie et Bioimagerie Osteoarticulaires (B3OA), Maisons-Alfort, France
| | - Morad Bensidhoum
- Université de Paris, CNRS, INSERM, Laboratoire de Biologie, Bioingenierie et Bioimagerie Osteoarticulaires (B3OA), Paris, France
| | - Stephane Pallu
- Université de Paris, CNRS, INSERM, Laboratoire de Biologie, Bioingenierie et Bioimagerie Osteoarticulaires (B3OA), Paris, France
- Université d'Orléans, Le Collegium sciences et techniques (COST), Orléans, France
| | - Hugues Portier
- Université de Paris, CNRS, INSERM, Laboratoire de Biologie, Bioingenierie et Bioimagerie Osteoarticulaires (B3OA), Paris, France
- Université d'Orléans, Le Collegium sciences et techniques (COST), Orléans, France
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Melo FG, Ocarino NM, Sena Reis AM, Gomes LA, Magalhães Cardoso KM, Gimeno EJ, Massone AR, Melo MM, Machado Botelho AF, Serakides R. Rat mesenchymal stem cell cultures as a model to elucidate the cellular and molecular pathogenesis of bone metaplasia induced by Solanum glaucophyllum intoxication. Toxicon 2019; 169:25-33. [PMID: 31421160 DOI: 10.1016/j.toxicon.2019.08.003] [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: 05/12/2019] [Revised: 07/26/2019] [Accepted: 08/13/2019] [Indexed: 10/26/2022]
Abstract
The hypothesis of this experiment is that mesenchymal stem cells (MSCs) are involved in the genesis of the bone metaplasia caused by Solanum glaucophyllum intoxication. We determined using liquid chromatography that 1 mL of plant extract contained 3.8 μl of 1,25(OH)2D3. The ability of 100 μL, 1 mL and 5 mL of extract/L, containing 1 nM (0.4 μg/L), 10 nM (4 μg/L) and 50 nM (20 μg/L) of 1,25(OH)2D3, respectively, in inducing the osteogenic differentiation in bone marrow MSCs from rats was tested. At the concentrations of 1 and 5 mL of extract/L of culture medium without osteogenesis-inducing factors, the plant extract induced the osteogenic differentiation of the MSCs, as was evidenced by the greater synthesis of mineralized matrix. At the higher concentration (5 mL of extract/L), an increase in the relative expression of BMP-2 gene was observed. It was concluded that rat bone marrow MSC culture is a good model for studying the effects of the S. glaucophyllum extract on the osteogenic differentiation of undifferentiated cells. Also, S. glaucophyllum extracts containing 10 nM (4 μg/L) and 50 nM (20 μg/L) of 1,25(OH)2D3 induce the osteogenic differentiation of MSCs, suggesting that this is one of the mechanisms by which S. glaucophyllum causes bone metaplasia.
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Assis HA, Elert NC, Azevedo ALBP, Braga IS, Serakides R, de Melo Ocarino N, de Goes AM, de Paula Careta F, Paneto GG, da Silva AMA, Boeloni JN. Dose-dependent effect of triiodothyronine on the chondrogenic differentiation of mesenchymal stem cells from the bone marrow of female rats. ACTA ACUST UNITED AC 2017; 70:89-100. [PMID: 29105086 DOI: 10.1111/jphp.12842] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 09/21/2017] [Indexed: 01/20/2023]
Abstract
OBJECTIVES Verify the in-vitro effect of triiodothyronine (T3) on the chondrogenic differentiation of female rat bone marrow mesenchymal stem cells (BMMSCs) over several time periods and at several doses. METHODS CD54 + /CD73 + /CD90 + BMMSCs from Wistar female rats were cultured in chondrogenic medium with or without T3 (0.01; 1; 100; 1000 nm). At seven, 14 and 21 days, the cell morphology, chondrogenic matrix formation and expression of Sox9 and collagen II were evaluated. KEY FINDINGS The dose of 100 nm did not alter the parameters evaluated in any of the periods studied. However, the 0.01 nm T3 dose improved the chondrogenic potential by increasing the chondrogenic matrix formation and expression of Sox9 and collagen II in at least one of the evaluated periods; the 1 nm T3 dose also improved the chondrogenic potential by increasing the chondrogenic matrix formation and the expression of collagen II in at least one of the evaluated periods. The 1000 nm T3 dose improved the chondrogenic potential by increasing the chondrogenic matrix formation and Sox9 expression in at least one of the evaluated periods. CONCLUSIONS T3 has a dose-dependent effect on the differentiation of BMMSCs from female rats.
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Affiliation(s)
- Higor A Assis
- Departamento de Medicina Veterinária, Centro de Ciências Agrárias e Engenharias (CCAE) da Universidade Federal do Espírito Santo (UFES), Alegre, ES, Brazil
| | - Nathalia C Elert
- Departamento de Medicina Veterinária, Centro de Ciências Agrárias e Engenharias (CCAE) da Universidade Federal do Espírito Santo (UFES), Alegre, ES, Brazil
| | - André Luiz B P Azevedo
- Departamento de Medicina Veterinária, Centro de Ciências Agrárias e Engenharias (CCAE) da Universidade Federal do Espírito Santo (UFES), Alegre, ES, Brazil
| | - Iolanda S Braga
- Departamento de Medicina Veterinária, Centro de Ciências Agrárias e Engenharias (CCAE) da Universidade Federal do Espírito Santo (UFES), Alegre, ES, Brazil
| | - Rogéria Serakides
- Núcleo de Células-Tronco e Terapia Celular (NCT-TCA), Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária da Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Natália de Melo Ocarino
- Núcleo de Células-Tronco e Terapia Celular (NCT-TCA), Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária da Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Alfredo M de Goes
- Laboratório de Imunologia Celular e Molecular, Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, UFMG, Belo Horizonte, MG, Brazil
| | - Francisco de Paula Careta
- Departamento de Farmácia e Nutrição, Centro de Ciências Exatas, Naturais e da Saúde (CCENS) da UFES, Alegre, ES, Brazil
| | - Greiciane G Paneto
- Departamento de Farmácia e Nutrição, Centro de Ciências Exatas, Naturais e da Saúde (CCENS) da UFES, Alegre, ES, Brazil
| | - Adriana M A da Silva
- Departamento de Biologia, Universidade Federal do Espírito Santo (UFES), Alegre, ES, Brazil
| | - Jankerle N Boeloni
- Departamento de Medicina Veterinária, Centro de Ciências Agrárias e Engenharias (CCAE) da Universidade Federal do Espírito Santo (UFES), Alegre, ES, Brazil
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Singulani MP, Stringhetta-Garcia CT, Santos LF, Morais SRL, Louzada MJQ, Oliveira SHP, Chaves Neto AH, Dornelles RCM. Effects of strength training on osteogenic differentiation and bone strength in aging female Wistar rats. Sci Rep 2017; 7:42878. [PMID: 28211481 PMCID: PMC5314400 DOI: 10.1038/srep42878] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 01/16/2017] [Indexed: 01/09/2023] Open
Abstract
The effects of strength training (ST) on the mechanical bone strength and osteogenic differentiation of bone marrow mesenchymal stromal cells (BMSCs) from adult, aged and exercised aged rats were determined. The exercised aged animals displayed higher values of areal bone mineral density, compression test, alkaline phosphatase activity (ALP) and biological mineralization, while oil red O staining for adipocytes was lower. ST increased gene expression of runt-related transcription factor 2 (Runx2), osterix (Osx) as well as bone matrix protein expression, and reduced expression of peroxisome proliferator-activated receptor gamma (Pparγ). The production of pro-inflammatory cytokine tumor necrosis factor alpha (TNF-α) was lower in BMSCs of the aged exercised group. The ST practice was able to improve the bone mechanical properties in aged female rats, increasing the potential for osteogenic differentiation of BMSCs, reducing the adipogenic differentiation and pro-inflammatory cytokine level. In summary, the data achieved in this study showed that strength training triggers physiological responses that result in changes in the bone microenvironment and bring benefits to biomechanical parameters of bone tissue, which could reduce the risk of fractures during senescent.
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Affiliation(s)
| | | | | | | | - Mário Jefferson Quirino Louzada
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Unesp-SBFis, Brasil
- Univ Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Departamento de Apoio, Produção e Saúde Animal, Araçatuba, 16050-680, Brasil
| | - Sandra Helena Penha Oliveira
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Unesp-SBFis, Brasil
- Univ Estadual Paulista (Unesp), Faculdade de Odontologia, Departamento de Ciências Básicas, Araçatuba, 16018-805, Brasil
| | - Antonio Hernandes Chaves Neto
- Univ Estadual Paulista (Unesp), Faculdade de Odontologia, Departamento de Ciências Básicas, Araçatuba, 16018-805, Brasil
| | - Rita Cássia Menegati Dornelles
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Unesp-SBFis, Brasil
- Univ Estadual Paulista (Unesp), Faculdade de Odontologia, Departamento de Ciências Básicas, Araçatuba, 16018-805, Brasil
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Yuan Y, Chen X, Zhang L, Wu J, Guo J, Zou D, Chen B, Sun Z, Shen C, Zou J. The roles of exercise in bone remodeling and in prevention and treatment of osteoporosis. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2016; 122:122-130. [DOI: 10.1016/j.pbiomolbio.2015.11.005] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 11/25/2015] [Accepted: 11/27/2015] [Indexed: 12/23/2022]
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Zhang W, Liu J, Shi H, Yang K, Wang P, Wang G, Liu N, Wang H, Ji J, Chu PK. Communication between nitric oxide synthase and positively-charged surface and bone formation promotion. Colloids Surf B Biointerfaces 2016; 148:354-362. [PMID: 27619187 DOI: 10.1016/j.colsurfb.2016.08.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 07/30/2016] [Accepted: 08/27/2016] [Indexed: 12/11/2022]
Abstract
Despite the effects on physiology of bone marrow mesenchymal stem cells (BMSCs) and bone tissue, biological signal communication between bone implants and them is seldom employed as a guidance to create an osteo-inductive interface. Herein, the positively-charged surface is constructed on bone implant from the perspective of mediation of nitric oxide synthase (NOS) expression to signal BMSCs osteo-differentiation. In vitro and in vivo results indicate that the proper surface potential on the positively-charged surface affects NOS to express a high level of inducible nitric oxide synthase (iNOS) in three NOS isoforms of the contacted BMSCs, upregulates their osteogenetic expression, and ultimately foster new bone growth. However, an excessively high surface potential produces substantial immunomodulatory effects thereby offsetting the aforementioned advantages. This study demonstrates that fine-tuning of the positively-charged surface and proper utilization of the communication between NOS and bone implants promote bone formation.
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Affiliation(s)
- Wei Zhang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Jun Liu
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Haigang Shi
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Kun Yang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Pingli Wang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Gexia Wang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Na Liu
- Stomatology Department of the General Hospital of Chinese PLA, 28 FuXing Road, Beijing 100853, China
| | - Huaiyu Wang
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China
| | - Junhui Ji
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Paul K Chu
- Department of Physics & Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
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Alves EG, Serakides R, Boeloni JN, Rosado IR, Ocarino NM, Oliveira HP, Góes AM, Rezende CM. Estudo comparativo da diferenciação osteogênica das células tronco mesenquimais da medula óssea e do tecido adiposo de cães adultos. PESQUISA VETERINARIA BRASILEIRA 2016. [DOI: 10.1590/s0100-736x201600130004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Resumo: O objetivo deste estudo foi comparar o potencial osteogênico das células tronco mesenquimais extraídas da medula óssea (CTM-MO) com as do tecido adiposo (CTM-AD) de cães adultos. As células foram caracterizadas fenotipicamente quanto à expressão de CD29, CD90, CD34 e CD45 e submetidas à diferenciação adipogênica e condrogênica por 21 dias e osteogênica por 7, 14 e 21 dias. Foram constituídos quatro grupos: 1) CTM-MO em meio osteogênico, 2) CTM-MO em meio basal, 3) CTM-AD em meio osteogênico e 4) CTM-AD em meio basal. Aos 7, 14 e 21 dias de diferenciação osteogênica as culturas foram submetidas às avaliações da conversão de MTT em formazan, da atividade da fosfatase alcalina (FA), da síntese de colágeno e de matriz mineralizada, avaliação do número de células por campo e foram quantificados os transcritos gênicos para osterix, sialoproteina óssea (BSP), osteonectina (ON) e osteocalcina (OC). Tanto as células extraídas da medula óssea quanto do tecido adiposo mostraram elevada expressão de marcadores para células tronco e baixa expressão de marcadores de células hematopoiéticas (menor que 2%). Além disso, foram capazes de se diferenciar em osteoblastos, condrócitos e adipócitos. As CTM-AD submetidas à diferenciação osteogênica mostraram maior conversão do MTT em formazan que as CTM-MO, sob mesmas condições aos 7 e 21 dias. O número de células por campo, a atividade da FA, a síntese de colágeno e de matriz mineralizada foram superior nas CTM-AD em diferenciação, em relação às CTM-MO sob as mesmas condições, em todos os tempos estudados. As expressões de osterix, BSP e OC foram predominantemente superiores nas CTM-MO diferenciadas, mas a expressão de ON foi superior nas CTM-AD diferenciadas aos 7, 14 e 21 dias. Conclui-se que as CTM-AD apresentam maior potencial osteogênico que as CTM-MO quando extraídas de cães adultos.
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Reis AMS, Ocarino NDM, Boeloni JN, Gomes DA, Goes AM, Ferreira ADF, Serakides R. Inhibition of the osteogenic differentiation of mesenchymal stem cells derived from the offspring of rats treated with caffeine during pregnancy and lactation. Connect Tissue Res 2015; 57:131-42. [PMID: 26634797 DOI: 10.3109/03008207.2015.1117075] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Caffeine is an alkaloid that is widely consumed due to its presence in drugs, coffee, tea, and chocolate. This compound passes to offspring through the placenta and milk; can cause teratogenic mutations; and reduces the formation, growth, and mass of bone. Because mesenchymal stem cells (MSCs) are responsible for generating the entire skeleton, we hypothesized that these cells are targets of caffeine. This study evaluated the osteogenic differentiation of MSCs derived from the offspring of rats treated with caffeine during pregnancy and lactation. Twenty-four adult Wistar rats were randomly divided into four groups, including one control group and three experimental groups treated with 25, 50, or 100 mg/kg of caffeine. At weaning, three 21-day-old pups from each dam in each group were euthanized for extraction of bone marrow cells for in vitro tests. Caffeine doses of 50 and 100 mg/kg significantly reduced the activity of alkaline phosphatase at 7, 14, and 21 days and the expression of collagen I at 21 days. However, the expression of gene transcripts for alkaline phosphatase, Runx-2, and bone sialoprotein, as well as the synthesis of mineralization nodules, decreased significantly in all groups treated with caffeine. The expression of osteocalcin was significantly reduced only in the group treated with 50 mg/kg caffeine. The caffeine that passes from the mother to the offspring during pregnancy and lactation reduces the osteogenic differentiation of MSCs. We propose that this reduction in the osteogenic potential of MSCs may be involved in the pathogenesis of osteopenia resulting from caffeine consumption.
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Affiliation(s)
- Amanda Maria Sena Reis
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Natália de Melo Ocarino
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Jankerle Neves Boeloni
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Dawidson Assis Gomes
- b Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia , Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Alfredo Miranda Goes
- b Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia , Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Andrea da Fonseca Ferreira
- b Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia , Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Rogéria Serakides
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
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Wang W, Lee Y, Lee CH. Effects of nitric oxide on stem cell therapy. Biotechnol Adv 2015; 33:1685-96. [PMID: 26394194 DOI: 10.1016/j.biotechadv.2015.09.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 09/14/2015] [Accepted: 09/18/2015] [Indexed: 12/27/2022]
Abstract
The use of stem cells as a research tool and a therapeutic vehicle has demonstrated their great potential in the treatment of various diseases. With unveiling of nitric oxide synthase (NOS) universally present at various levels in nearly all types of body tissues, the potential therapeutic implication of nitric oxide (NO) has been magnified, and thus scientists have explored new treatment strategies involved with stem cells and NO against various diseases. As the functionality of NO encompasses cardiovascular, neuronal and immune systems, NO is involved in stem cell differentiation, epigenetic regulation and immune suppression. Stem cells trigger cellular responses to external signals on the basis of both NO specific pathways and concerted action with endogenous compounds including stem cell regulators. As potency and interaction of NO with stem cells generally depend on the concentrations of NO and the presence of the cofactors at the active site, the suitable carriers for NO delivery is integral for exerting maximal efficacy of stem cells. The innovative utilization of NO functionality and involved mechanisms would invariably alter the paradigm of therapeutic application of stem cells. Future prospects in NO-involved stem cell research which promises to enhance drug discovery efforts by opening new era to improve drug efficacy, reduce drug toxicity and understand disease mechanisms and pathways, were also addressed.
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Affiliation(s)
- Wuchen Wang
- School of Pharmacy University of Missouri, Kansas City, USA
| | - Yugyung Lee
- School of Computing and Engineering, University of Missouri, Kansas City, USA
| | - Chi H Lee
- School of Pharmacy University of Missouri, Kansas City, USA.
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Boppart MD, De Lisio M, Witkowski S. Exercise and Stem Cells. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2015; 135:423-56. [PMID: 26477925 DOI: 10.1016/bs.pmbts.2015.07.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Stem cells are traditionally studied in the context of embryonic development, yet studies confirm that a fraction remains in the adult organism for the purpose of daily remodeling and rejuvenation of multiple tissues following injury. Adult stem cells (ASCs) are found in close proximity to vessels and respond to tissue-specific cues in the microenvironment that dictate their fate and function. Exercise can dramatically alter strain sensing, extracellular matrix composition, and inflammation, and such changes in the niche likely alter ASC quantity and function postexercise. The field of stem cell biology is still in its infancy and identification and terminology of ASCs continues to evolve; thus, current information regarding exercise and stem cells is lacking. This chapter summarizes the literature that reports on the ASC response to acute exercise and exercise training, with particular emphasis on hematopoietic stem cells, endothelial progenitor cells, and mesenchymal stem cells.
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Affiliation(s)
- Marni D Boppart
- Department of Kinesiology and Community Health, University of Illinois, Urbana, Illinois, USA; Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana, Illinois, USA.
| | - Michael De Lisio
- Department of Kinesiology and Community Health, University of Illinois, Urbana, Illinois, USA
| | - Sarah Witkowski
- Department of Kinesiology, School of Public Health and Health Sciences, University of Massachusetts, Amherst, Massachusetts, USA
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Upregulation of BMSCs osteogenesis by positively-charged tertiary amines on polymeric implants via charge/iNOS signaling pathway. Sci Rep 2015; 5:9369. [PMID: 25791957 PMCID: PMC4366815 DOI: 10.1038/srep09369] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 03/02/2015] [Indexed: 12/18/2022] Open
Abstract
Positively-charged surfaces on implants have a similar potential to upregulate osteogenesis of bone marrow-derived mesenchymal stem cells (BMSCs) as electromagnetic therapy approved for bone regeneration. Generally, their osteogenesis functions are generally considered to stem from the charge-induced adhesion of extracellular matrix (ECM) proteins without exploring the underlying surface charge/cell signaling molecule pathways. Herein, a positively-charged surface with controllable tertiary amines is produced on a polymer implant by plasma surface modification. In addition to inhibiting the TNF-α expression, the positively-charged surface with tertiary amines exhibits excellent cytocompatibility as well as remarkably upregulated osteogenesis-related gene/protein expressions and calcification of the contacted BMSCs. Stimulated by the charged surface, these BMSCs display high iNOS expressions among the three NOS isoforms. Meanwhile, downregulation of the iNOS by L-Can or siRNA inhibit osteogenic differentiation in the BMSCs. These findings suggest that a positively-charged surface with tertiary amines induces osteogenesis of BMSCs via the surface charge/iNOS signaling pathway in addition to elevated ECM protein adhesion. Therefore, creating a positively-charged surface with tertiary amines is a promising approach to promote osseointegration with bone tissues.
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Reis AMS, Ribeiro LGR, Ocarino NDM, Goes AM, Serakides R. Osteogenic potential of osteoblasts from neonatal rats born to mothers treated with caffeine throughout pregnancy. BMC Musculoskelet Disord 2015; 16:10. [PMID: 25649420 PMCID: PMC4324429 DOI: 10.1186/s12891-015-0467-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 01/15/2015] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Caffeine is an active alkaloid that can cause damage to bones in formation during prenatal life into adulthood. This compound can pass across the placenta and into the mother's milk, causing a reduction in bone formation, growth and mass. The objective of this study was to examine the osteogenic potential of osteoblasts extracted from neonatal rats born to mothers treated with caffeine throughout pregnancy. METHODS Twenty-four adult Wistar rats were randomly divided into four groups, consisting of one control group and three groups that were treated with 25, 50, or 100 mg/kg of caffeine by an oral-gastric probe throughout the duration of the experimental period (pregnancy). At birth, three puppies from each dam in each group were euthanized, and osteoblasts were extracted from the calvaria of these pups for in vitro testing. RESULTS The osteoblasts extracted from the pups of rats that received 50 mg/kg caffeine during pregnancy exhibited increased expression of osteocalcin, osteopontin, sialoprotein, runx-2, alkaline phosphatase and type I collagen transcripts, resulting in increased synthesis of mineralization nodules. CONCLUSIONS Neonates from rats treated with 50 mg/kg caffeine during pregnancy contained osteoblasts with a higher osteogenic potential characterized by increased expression of osteocalcin, osteopontin, sialoprotein, runx-2, alkaline phosphatase and type I collagen and increased synthesis of mineralization nodules.
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Affiliation(s)
- Amanda Maria Sena Reis
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
| | - Lorena Gabriela Rocha Ribeiro
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
| | - Natália de Melo Ocarino
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
| | - Alfredo Miranda Goes
- Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970, Belo Horizonte, Minas Gerais, Brazil.
| | - Rogéria Serakides
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
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Zhang B, Luo Q, Chen Z, Sun J, Xu B, Ju Y, Song G. Cyclic mechanical stretching promotes migration but inhibits invasion of rat bone marrow stromal cells. Stem Cell Res 2015; 14:155-64. [PMID: 25633387 DOI: 10.1016/j.scr.2015.01.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 01/09/2015] [Accepted: 01/11/2015] [Indexed: 12/13/2022] Open
Abstract
Bone marrow stromal cells (BMSCs, also broadly known as bone marrow-derived mesenchymal stem cells) are multipotent stem cells that have a self-renewal capacity and multilineage differentiation potential. Mechanical stretching plays a vital role in regulating the proliferation and differentiation of BMSCs. However, little is known about the effects of cyclic stretching on BMSC migration and invasion. In this study, using a custom-made cell-stretching device, we studied the effects of cyclic mechanical stretching on rat BMSC migration and invasion using a Transwell Boyden Chamber. The protein secretion of matrix metalloproteinase-2 (MMP-2) and matrix metalloproteinase-9 (MMP-9) was detected by gelatin zymography, and the activation of focal adhesion kinase (FAK) and extracellular signal regulated kinase1/2 (ERK1/2) was measured by western blot. We found that cyclic mechanical stretching with 10% amplitude at 1Hz frequency for 8h promotes BMSC migration, but reduces BMSC invasion. FAK and ERK1/2 signals were activated in BMSCs after exposure to cyclic stretching. In the presence of the FAK phosphorylation blocker PF573228 or the ERK1/2 phosphorylation blocker PD98059, the cyclic-stretch-promoted migration of BMSCs was completely suppressed. On the other hand, cyclic mechanical stretching reduced the secretion of MMP-2 and MMP-9 in BMSCs, and PF573228 suppressed the cyclic-stretch-reduced secretion of MMP-2 and MMP-9. The decrease of BMSC invasion induced by mechanical stretching is partially restored by PF573228 but remained unaffected by PD98059. Taken together, these data show that cyclic mechanical stretching promotes BMSC migration via the FAK-ERK1/2 signalling pathway, but reduces BMSC invasion by decreasing secretion of MMP-2 and MMP-9 via FAK, independent of the ERK1/2 signal.
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Affiliation(s)
- Bingyu Zhang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, People's Republic of China
| | - Qing Luo
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, People's Republic of China
| | - Zhe Chen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, People's Republic of China
| | - Jinghui Sun
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, People's Republic of China
| | - Baiyao Xu
- Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - Yang Ju
- Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - Guanbin Song
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, People's Republic of China.
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Lacerda DR, Serakides R, de Melo Ocarino N, Ferreira AVM, Moraes MM, Boeloni JN, Silva JF, de Oliveira MC, de Barcellos LAM, Rodrigues LOC, Soares DD. Osteopetrosis in obese female rats is site-specifically inhibited by physical training. Exp Physiol 2014; 100:44-56. [PMID: 25557730 DOI: 10.1113/expphysiol.2014.082511] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Accepted: 10/17/2014] [Indexed: 11/08/2022]
Abstract
NEW FINDINGS What is the central question of this study? Clinical studies suggest that obesity 'protects' against osteoporosis. However, these studies used only bone densitometry and assessed only one bone site, which is insufficient to enable conclusions to be drawn about the response of the whole skeleton. Furthermore, the effects of exercise on bone responses in obesity have not been explored previously. What is the main finding and what is its importance? We show that obesity causes osteopetrosis. Therefore, the classical perspective of 'protective effects of obesity' needs to be reviewed, and exercise is an important tool to avoid these alterations and to maintain the homeostasis of bone. A sedentary lifestyle and obesity induce systemic inflammatory responses. Although the effects of physical inactivity on osseous tissue have been well established, the effects of obesity on bone tissue remain controversial. Furthermore, the effects of physical training on bone tissue responses in the presence of diet-induced obesity are unknown. Our aim was to investigate the effects of obesity and physical training at multiple bone sites in rats. Female Wistar rats were divided into the following four groups: (i) control diet, non-trained (C-NT); (ii) high-refined carbohydrate-containing diet, non-trained (HC-NT); (iii) control diet, trained (C-T); and (iv) high-refined carbohydrate-containing diet, trained (HC-T). At 5 months of age, the rats were submitted to daily exercise for 30 min day(-1). After 13 weeks, blood samples, adipose and skeletal tissues were harvested. Two-way ANOVA was applied to detect differences (significance accepted when P ≤ 0.05). The HC-NT group exhibited increased body mass, adiposity, serum leptin, serum insulin, insulin resistance index and concentrations of tumour necrosis factor-α and interleukin-6. Obese rats (HC-NT) exhibited thickening of nasal bones, trabecular bones in the lumbar vertebrae and long bones in a site-dependent manner. The HC-T group exhibited similar adiposity and inflammatory results. Morphological analysis of the lumbar vertebrae in rats fed the HC diet revealed characteristics of osteopetrosis that were inhibited by exercise. In conclusion, the HC diet induced obesity and inflammatory/hormonal alterations and increased the trabecular bone in a site-dependent manner. However, obesity caused osteopetrosis in the lumbar vertebrae, which could be inhibited by physical training. Although exercise inhibited the development of bone alterations, physical training did not inhibit the HC diet-induced obesity responses.
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Effect of retinoic acid on the function of lipopolysaccharide-stimulated bone marrow stromal cells grown on titanium surfaces. Inflamm Res 2014; 64:63-70. [PMID: 25403801 DOI: 10.1007/s00011-014-0784-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 10/07/2014] [Accepted: 11/01/2014] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE AND DESIGN This study aimed to evaluate the effect of all-trans retinoic acid (atRA) on suppressing the inflammatory response and promoting the osteoblastic differentiation of bone marrow stromal cells (BMSCs) on titanium in a lipopolysaccharide (LPS)-induced microenvironment. METHODS BMSCs were divided into four groups and treated with LPS (1 μg/mL), atRA (1 nmol/L), LPS + atRA, or left untreated. Cells were then cultured on titanium surfaces and cell function compared. BMSC proliferation and osteoblastic differentiation were assessed using the MTT assay, alkaline phosphatase (ALP) activity, alizarin red staining, and quantitative real-time polymerase chain reaction (RT-PCR). Expression levels of inflammatory factors were measured by quantitative RT-PCR and enzyme-linked immunosorbent assay. RESULTS Increased mineralized nodule formation, ALP activity, osteocalcin, and osteopontin expression levels were detected in LPS + atRA-treated BMSCs after osteogenic induction, when compared with LPS-treated cells. In addition, the high levels of tumor necrosis factor-α, interleukin-1β, and receptor activator of nuclear factor-κ B ligand (RANKL) expression induced by LPS were inhibited after treatment with atRA. CONCLUSIONS Our results showed the effects of atRA on suppressing inflammatory responses and promoting osteoblastic differentiation of BMSCs on titanium in an LPS-induced microenvironment. This indicates the potential therapeutic value of atRA for treating peri-implants inflammatory disease.
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Alves EGL, Serakides R, Boeloni JN, Rosado IR, Ocarino NM, Oliveira HP, Góes AM, Rezende CMF. Comparison of the osteogenic potential of mesenchymal stem cells from the bone marrow and adipose tissue of young dogs. BMC Vet Res 2014; 10:190. [PMID: 25178540 PMCID: PMC4236816 DOI: 10.1186/s12917-014-0190-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 08/13/2014] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The aim of the present study was to compare the osteogenic potential of mesenchymal stem cells extracted from the bone marrow (BM-MSCs) and adipose tissue (AD-MSCs) of young dogs. The following parameters were assessed: dimethyl thiazolyl diphenyl tetrazolium (MTT) conversion, alkaline phosphatase (ALP) activity, collagen and mineralised matrix synthesis, and the expressions of osterix, bone sialoprotein (BSP), and osteocalcin (OC). RESULTS MTT conversion was greater in BM-MSCs compared to AD-MSCs after 14 and 21 days of differentiation; ALP activity was greater in differentiated AD-MSCs on day 7; collagen synthesis was greater in BM-MSCs on days 14 and 21; the percentage of mineralized area per field was greater in BM-MSCs compared to AD-MSCs; osterix expression was greater in BM-MSCs in days 14 and 21, and BSP and OC expression levels were greater in BM-MSCs at all the investigation time-points. CONCLUSIONS It was concluded that the osteogenic potential was greater in BM-MSCs than AD-MSCs when extracted from young dogs.
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Affiliation(s)
- Endrigo GL Alves
- Curso de Medicina Veterinária da Universidade de Uberaba (UNIUBE), Uberaba, Brazil
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rogéria Serakides
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Jankerle N Boeloni
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Isabel R Rosado
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Natália M Ocarino
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Humberto P Oliveira
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Alfredo M Góes
- Departamento de Bioquímica e Imunologia do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cleuza MF Rezende
- Núcleo de Células Tronco e Terapia Celular Animal, NCT-TCA Departamento de Clínica e Cirurgia, Escola de veterinária da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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In vitro proliferation and differentiation potential of bone marrow-derived mesenchymal stem cells from ovariectomized rats. Tissue Cell 2014; 46:450-6. [PMID: 25257163 DOI: 10.1016/j.tice.2014.08.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Revised: 07/14/2014] [Accepted: 08/06/2014] [Indexed: 11/20/2022]
Abstract
Bone marrow-derived mesenchymal stem cells (BMMSCs) from the patients suffering from age-related osteoporosis were found to have numerous degeneration, such as decreased growth rate, impaired capacity of differentiating into local tissue, and repressed telomerase activity. However, it is not clear whether post-menopausal osteoporotic bone is either subject to such decline in cellular function. In the present study, bone marrow cells were harvested from ovariectomized (OVX) and Sham rats and cultured in vitro at 3 months post-surgery. MTT assay indicated that the proliferation potential of (OVX)BMMSCs was always higher than that of (Sham)BMMSCs, no matter cultured in basic, osteoblastic or adipogenic medium. Alkaline phosphatase activity assay, Alizarin red S staining, Oil red O staining and real-time RT-PCR analysis further demonstrated that bilateral ovariectomization positively influenced the osteoblastic and adipogenic differentiation potential of BMMSCs, this action may be partly mediated through up-regulation of osteoblastic special markers core binding factor a1, collagen type I and low-density lipoprotein receptor-related protein 5, as well as adipogenic special markers peroxisome proliferators activated receptor gamma, CCAAT/enhancer binding protein alpha and adipocyte lipid-binding protein 2. These results may hold great promise for using post-menopausal osteoporotic bone as an attractive autologous marrow source for tissue engineering and cell-based therapies.
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Boeloni JN, Ocarino NM, Goes AM, Serakides R. Comparative study of osteogenic differentiation potential of mesenchymal stem cells derived from bone marrow and adipose tissue of osteoporotic female rats. Connect Tissue Res 2014; 55:103-14. [PMID: 24175668 DOI: 10.3109/03008207.2013.860970] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Osteoporosis causes reduction of osteogenic differentiation of mesenchymal stem cells (MSCs) from bone marrow and adipose tissue. This study was designed to compare the osteogenic potential of bone marrow mesenchymal stem cells (BMMSCs) and adipose-derived stem cells (ADSCs) of ovariectomized (OVX) rats. MSC were harvested from bone marrow and inguinal fat pads of six OVX rats. The limitations of this report are that cells from different animals were pooled for the purpose of the experiments that were carried out in this study. At 7, 14 and 21 d of osteogenic differentiation, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) conversion, alkaline phosphatase activity and gene expression for collagen I, osteocalcin, bone sialoprotein, osteopontin and bone morphogenetic protein-2 bone morphogenetic protein-2 (BMP-2) were analyzed. At 21 d, percentage of cells per field and percentage of mineralized nodule were analyzed. The data were subjected to analysis of variance, and the means were compared by Student-Newman-Keuls test. The cells, regardless of group, showed phenotypic characteristics consistent with stem cells. MTT conversion, alkaline phosphatase activity, percentage of mineralized nodule and expression of collagen I, osteocalcin and BMP-2 of ADSCs from OVX rats were higher when compared to BMMSCs from OVX rats in at least one of the evaluated periods (p<0.05). However, bone sialoprotein and osteopontin expression were smaller than those observed in BMMSCs for all evaluated periods (p<0.05). It was concluded that the ADSCs from OVX rats have higher osteogenic potential when compared to BMMSCs from OVX rats. This result suggests that the treatment of osteoporosis with autologous ADSCs may be more efficient.
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Affiliation(s)
- Jankerle Neves Boeloni
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA), Escola de Veterinária da Universidade Federal de Minas Gerais (UFMG) , Belo Horizonte, MG , Brasil and
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Nassiri SM, Rahbarghazi R. Interactions of Mesenchymal Stem Cells with Endothelial Cells. Stem Cells Dev 2014; 23:319-32. [DOI: 10.1089/scd.2013.0419] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Seyed Mahdi Nassiri
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Reza Rahbarghazi
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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Boeloni JN, Ocarino NM, Goes AM, Serakides R. Efeito in vitro da triiodotironina sob o potencial osteogênico reduzido de células-tronco mesenquimais do tecido adiposo de ratas ovariectomizadas e com osteoporose. ACTA ACUST UNITED AC 2013; 57:98-111. [DOI: 10.1590/s0004-27302013000200002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 10/27/2012] [Indexed: 11/21/2022]
Abstract
OBJETIVO: Avaliar se a triiodotironina (T3) aumenta a diferenciação osteogênica das células-tronco mesenquimais do tecido adiposo (CTM-TA) de ratas adultas ovariectomizadas e com osteoporose e compará-lo ao de ratas adultas e jovens sem osteoporose. MATERIAIS E MÉTODOS: CTM-TA foram cultivadas em meio osteogênico e distribuídas em sete grupos: 1) CTM-TA de ratas jovens sem osteoporose; 2) CTM-TA de ratas adultas sem osteoporose; 3) CTM-TA de ratas adultas com osteoporose e 4, 5, 6 e 7) CTM-TA de ratas adultas com osteoporose tratadas com T3 (0,01 nM, 1 nM, 100 nM e 1.000 nM). AVALIARAM-SE: atividade da fosfatase alcalina, conversão do dimetiltiazol (MTT), porcentagem de nódulos de mineralização, celularidade e quantificação de transcriptos gênicos para colágeno I, osteocalcina, osteopontina e Bmp-2. RESULTADOS: Independente da dose, T3 reduziu a conversão do MTT, a atividade da fosfatase, a porcentagem de células e a expressão de colágeno I em pelo menos uma das doses e dos períodos estudados (p < 0,05). Mas o tratamento com T3 não alterou o número de nódulos de mineralização e a expressão de osteopontina e Bmp-2 em culturas de CTM-TA de ratas adultas com osteoporose (p > 0,05). CONCLUSÃO: T3 apresenta efeitos negativos sobre alguns fatores envolvidos na diferenciação osteogênica de CTM-TA, sem, no entanto, reduzir a formação de nódulos de mineralização e a expressão de proteínas ósseas.
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Boeloni JN, Ocarino NM, Goes AM, Serakides R. Triiodotironina não aumenta a diferenciação osteogênica reduzida pela idade de células-tronco mesenquimais da medula óssea de ratas. ACTA ACUST UNITED AC 2013; 57:62-70. [DOI: 10.1590/s0004-27302013000100009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Accepted: 11/27/2012] [Indexed: 11/21/2022]
Abstract
OBJETIVO: Avaliar se a adição de T3 aumenta o potencial osteogênico das células-tronco mesenquimais da medula óssea (CTM-MO) de ratas adultas normais comparado ao de ratas jovens. MATERIAIS E MÉTODOS: CTM-MO foram cultivadas em meio osteogênico e separadas em seis grupos: 1) CTM-MO de ratas jovens; 2) CTM-MO de ratas adultas; 3, 4, 5 e 6) CTM-MO de ratas adultas com T3 nas concentrações de 0,01; 1; 100 e 1000 nM, respectivamente. Foram avaliados: atividade da fosfatase alcalina, conversão do dimetiltiazol (MTT) e síntese de colágeno aos sete, 14 e 21 dias e celularidade e número de nódulos de mineralização aos 21 dias de diferenciação. RESULTADOS: T3 reduziu significativamente a conversão do MTT, a atividade da fosfatase alcalina, a síntese de colágeno e a formação dos nódulos de mineralização em pelo menos uma das doses e dos períodos estudados (p < 0,05). Os valores foram menores quando comparados aos das CTM-MO de ratas jovens e adultas sem T3 (p < 0,05). CONCLUSÃO: T3 apresenta efeitos negativos sobre os fatores envolvidos na diferenciação osteogênica das CTM-MO de ratas adultas.
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Boeloni JN, de M. Ocarino N, Silva JF, Corrêa CR, Bertollo CM, Hell RC, de M. Pereira M, Goes AM, Serakides R. Osteogenic differentiation of bone marrow mesenchymal stem cells of ovariectomized and non-ovariectomized female rats with thyroid dysfunction. Pathol Res Pract 2013; 209:44-51. [DOI: 10.1016/j.prp.2012.10.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Revised: 09/02/2012] [Accepted: 10/02/2012] [Indexed: 10/27/2022]
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Hell RCR, Ocarino NM, Boeloni JN, Silva JF, Goes AM, Santos RL, Serakides R. Physical activity improves age-related decline in the osteogenic potential of rats' bone marrow-derived mesenchymal stem cells. Acta Physiol (Oxf) 2012; 205:292-301. [PMID: 22168399 DOI: 10.1111/j.1748-1716.2011.02397.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Revised: 04/08/2011] [Accepted: 12/08/2011] [Indexed: 02/03/2023]
Abstract
AIM To examine whether physical activity increases osteogenic differentiation of bone marrow mesenchymal stem cells (BMMSCs) from adult rats compared with young rats. METHODS Eighteen female Wistar rats were divided into three groups and the following cells isolated: (1) differentiated BMMSCs from young donors, (2) differentiated BMMSCs from sedentary adult donors and (3) differentiated BMMSCs from active adult donors. We analysed MTT conversion, percentage of cells per field, mineralized nodule number and gene expression for telomerase reverse transcriptase (TERT), alkaline phosphatase, caspase 3, osteocalcin, bone sialoprotein and collagen I. RESULTS Telomerase reverse transcriptase expression and the percentage of cells per field in BMMSCs cultures from adult rats were smaller than those observed in young donors. However, levels of caspase 3 expression were higher in BMMSCs from adult donors (P < 0.05). Despite the fact that physical activity was associated with an increase in expression of caspase 3 (P < 0.05), there was no difference in the percentage of cells per field between groups of adult BMMSCs (active or sedentary). However, physical activity increased the number of mineralized nodules and osteocalcin expression after 21 days, and alkaline phosphatase expression at 7, 14 and 21 days in the BMMSCs of adult donors (P < 0.05). However, those values were smaller when compared with young donors BMMSCs (P < 0.05). Only the expression levels of alkaline phosphatase were similar to young donors BMMSCs (P ≥ 0.05). CONCLUSION Physical activity increases osteogenic differentiation of BMMSCs from adult donors but does not increase the differentiation to the levels observed in BMMSCs from young donor rats.
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Affiliation(s)
- R. C. R. Hell
- Núcleo de Células Tronco e Terapia Celular do Departamento de Clínica e Cirurgia Veterinárias; Escola de Veterinária da Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
| | - N. M. Ocarino
- Núcleo de Células Tronco e Terapia Celular do Departamento de Clínica e Cirurgia Veterinárias; Escola de Veterinária da Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
| | - J. N. Boeloni
- Núcleo de Células Tronco e Terapia Celular do Departamento de Clínica e Cirurgia Veterinárias; Escola de Veterinária da Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
| | - J. F. Silva
- Núcleo de Células Tronco e Terapia Celular do Departamento de Clínica e Cirurgia Veterinárias; Escola de Veterinária da Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
| | - A. M. Goes
- Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia; Instituto de Ciências Biológicas; Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
| | - R. L. Santos
- Laboratório de Patologia do Departamento de Clínica e Cirurgia Veterinárias; Escola de Veterinária da Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
| | - R. Serakides
- Núcleo de Células Tronco e Terapia Celular do Departamento de Clínica e Cirurgia Veterinárias; Escola de Veterinária da Universidade Federal de Minas Gerais; Belo Horizonte; Minas Gerais; Brazil
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Hell RCR, Boeloni JN, Ocarino NM, Silva JF, Goes AM, Serakides R. Efeito da triiodotironina na expressão das proteínas ósseas durante a diferenciação osteogênica de células-tronco mesenquimais. ACTA ACUST UNITED AC 2011; 55:339-44. [DOI: 10.1590/s0004-27302011000500007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Accepted: 05/25/2011] [Indexed: 03/20/2023]
Abstract
OBJETIVO: O objetivo deste estudo foi avaliar o efeito da T3 na expressão da osteocalcina, osteopontina e colágeno I durante a diferenciação osteogênica das células-tronco mesenquimais (CTM). MATERIAIS E MÉTODOS: As células da medula óssea de ratas Wistar jovens foram extraídas, cultivadas e separadas em cinco grupos: controle (indiferenciado), diferenciado (estímulo osteogênico) e diferenciado com T3 (10-3 nM, 10-2 nM e 100 nM). Para cada grupo, foram cultivadas quatro amostras que foram analisadas por RT-PCR tempo real aos 7, 14 e 21 dias, para quantificação dos transcritos gênicos para osteocalcina, osteopontina e colágeno I. RESULTADOS: Todos os grupos diferenciados sem T3 ou com T3 independentemente da concentração apresentaram expressão de colágeno I significativamente menor e expressão de osteocalcina e osteopontina significativamente maior em comparação a das CTM indiferenciadas. Mas o grupo T3 100 nM apresentou concentração de osteocalcina mais elevada e semelhante à da cultura de osteoblastos. CONCLUSÃO: Conclui-se que a triiodotironina não altera a expressão de osteopontina e de colágeno pelas CTM, mas aumenta a expressão da osteocalcina durante a diferenciação osteogênica in vitro, sendo esse efeito dose-dependente.
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Zhou Y, Guan XX, Zhu ZL, Guo J, Huang YC, Hou WW, Yu HY. Caffeine inhibits the viability and osteogenic differentiation of rat bone marrow-derived mesenchymal stromal cells. Br J Pharmacol 2011; 161:1542-52. [PMID: 20726981 DOI: 10.1111/j.1476-5381.2010.00998.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND AND PURPOSE Caffeine is consumed extensively in Europe and North America. As a risk factor for osteoporosis, epidemiological studies have observed that caffeine can decrease bone mineral density, adversely affect calcium absorption and increase the risk of bone fracture. However, the exact mechanisms have not been fully investigated. Here, we examined the effects of caffeine on the viability and osteogenesis of rat bone marrow-derived mesenchymal stromal cells (rBMSCs). EXPERIMENTAL APPROACH Cell viability, apoptosis and necrosis were quantified using thymidine incorporation and flow cytometry. Sequential gene expressions in osteogenic process were measured by real-time PCR. cAMP, alkaline phosphatase and osteocalcin were assessed by immunoassay, spectrophotometry and radioimmunoassay, respectively. Mineralization was determined by calcium deposition. KEY RESULTS After treating BMSCs with high caffeine concentrations (0.1-1mM), their viability decreased in a concentration-dependent manner. This cell death was primarily due to necrosis and, to a small extent, apoptosis. Genes and protein sequentially expressed in osteogenesis, including Cbfa1/Runx2, collagen I, alkaline phosphatase and its protein, were significantly downregulated except for osteocalcin and its protein. Moreover, caffeine inhibited calcium deposition in a concentration- and time-dependent manner, but increased intracellular cAMP in a concentration-dependent manner. CONCLUSIONS AND IMPLICATIONS By suppressing the commitment of BMSCs to the osteogenic lineage and selectively inhibiting gene expression, caffeine downregulated some important events in osteogenesis and ultimately affected bone mass.
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Affiliation(s)
- Y Zhou
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
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Ocarino NDM, Boeloni JN, Jorgetti V, Gomes DA, Goes AM, Serakides R. Intra-bone marrow injection of mesenchymal stem cells improves the femur bone mass of osteoporotic female rats. Connect Tissue Res 2010; 51:426-33. [PMID: 20373890 DOI: 10.3109/03008201003597049] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The effect of intra-bone injection of differentiated rat bone marrow mesenchymal stem cells (BMMSCs) into the femur of osteoporotic female rats was studied. Osteoporosis was induced in Wistar female rats by bilateral ovariectomy. Then, 0.75 million BMMSCs isolated from healthy rats were injected into the femurs of osteoporotic rats. Histomorphometric analysis and histology clearly revealed improvements in the treated group as compared to untreated group. In 2 months, the femurs of treated rats, unlike untreated rats, showed trabecular bone percentage almost similar to the femurs from control healthy rats. To confirm the origin of newly formed bone, the experiment was repeated with BMMSCs isolated from green fluorescent protein transgenic rats. Confocal microscopy demonstrated green fluorescent protein-positive cells at the surface of trabecular bone of the treated rats. We investigated in vitro osteogenic differentiation of BMMSCs isolated from osteoporotic rats by studying alkaline phosphatase activity, collagen synthesis, and the ability to form mineralized nodules. Osteoporotic BMMSCs showed less differentiation capabilities as compared to those isolated from healthy rats. The results clearly demonstrated the importance of BMMSCs in osteoporosis and that the disease can be treated by injection of BMMSCs.
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Affiliation(s)
- Natália de Melo Ocarino
- Laboratório de Patologia do Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, Belo Horizonte, Minas Gerais, Brazil
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Ocarino N, Boeloni J, Silva J, Goes A, Marubayashi U, Serakides R. Different effect of the nitric oxide synthase inhibition between the cortical and trabecular bone of osteoporotic female rats submitted or no the physical activity. Sci Sports 2010. [DOI: 10.1016/j.scispo.2010.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mechanisms for osteogenic differentiation of human mesenchymal stem cells induced by fluid shear stress. Biomech Model Mechanobiol 2010; 9:659-70. [DOI: 10.1007/s10237-010-0206-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2009] [Accepted: 03/02/2010] [Indexed: 12/19/2022]
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