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Souza ATP, Freitas GP, Lopes HB, Weffort D, Adolpho LF, Gomes MPO, Oliveira FS, Almeida ALG, Beloti MM, Rosa AL. Mesenchymal stem cell-based therapy for osteoporotic bones: Effects of the interaction between cells from healthy and osteoporotic rats on osteoblast differentiation and bone repair. Life Sci 2024; 340:122463. [PMID: 38286209 DOI: 10.1016/j.lfs.2024.122463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/09/2024] [Accepted: 01/23/2024] [Indexed: 01/31/2024]
Abstract
AIMS Cell therapy utilizing mesenchymal stem cells (MSCs) from healthy donors (HE-MSCs) is a promising strategy for treating osteoporotic bone defects. This study investigated the effects of interaction between HE-MSCs and MSCs from osteoporotic donors (ORX-MSCs) on osteoblast differentiation of MSCs and of HE-MSCs on bone formation in calvarial defects of osteoporotic rats. MATERIALS AND METHODS Osteoporosis was induced by orchiectomy (ORX) and its effects on the bone were evaluated by femur microtomography (μCT) and osteoblast differentiation of bone marrow MSCs. HE- and ORX-MSCs were cocultured, and osteoblast differentiation was evaluated using genotypic and phenotypic parameters. HE-MSCs were injected into the calvarial defects of osteoporotic rats, and bone formation was evaluated by μCT, histology, and gene expression of osteoblast markers. KEY FINDINGS ORX-induced osteoporosis was revealed by reduced bone morphometric parameters and osteoblast differentiation in ORX-MSCs. HE-MSCs partially recovered the osteogenic potential of ORX-MSCs, whereas HE-MSCs were mildly affected by ORX-MSCs. Additionally, the bone morphogenetic protein and wingless-related integration site signaling pathway components were similarly modulated in cocultures involving ORX-MSCs. HE-MSCs induced meaningful bone formation, highlighting the effectiveness of cell therapy even in osteoporotic bones. SIGNIFICANCE These results provide new perspectives on the development of cell-based therapies to regenerate bone defects in patients with disorders that affect bone tissue.
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Affiliation(s)
- Alann Thaffarell Portilho Souza
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil; Centro Universitário Metropolitano da Amazônia, Belém 66053-000, PA, Brazil
| | - Gileade Pereira Freitas
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Helena Bacha Lopes
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Denise Weffort
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Leticia Faustino Adolpho
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Maria Paula Oliveira Gomes
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Fabiola Singaretti Oliveira
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | | | - Marcio Mateus Beloti
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Adalberto Luiz Rosa
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil.
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Adolpho LF, Ribeiro LMS, Freitas GP, Lopes HB, Gomes MPO, Ferraz EP, Gimenes R, Beloti MM, Rosa AL. Mesenchymal Stem Cells Combined with a P(VDF-TrFE)/BaTiO 3 Scaffold and Photobiomodulation Therapy Enhance Bone Repair in Rat Calvarial Defects. J Funct Biomater 2023; 14:306. [PMID: 37367270 DOI: 10.3390/jfb14060306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND Tissue engineering and cell therapy have been the focus of investigations on how to treat challenging bone defects. This study aimed to produce and characterize a P(VDF-TrFE)/BaTiO3 scaffold and evaluate the effect of mesenchymal stem cells (MSCs) combined with this scaffold and photobiomodulation (PBM) on bone repair. METHODS AND RESULTS P(VDF-TrFE)/BaTiO3 was synthesized using an electrospinning technique and presented physical and chemical properties suitable for bone tissue engineering. This scaffold was implanted in rat calvarial defects (unilateral, 5 mm in diameter) and, 2 weeks post-implantation, MSCs were locally injected into these defects (n = 12/group). Photobiomodulation was then applied immediately, and again 48 and 96 h post-injection. The μCT and histological analyses showed an increment in bone formation, which exhibited a positive correlation with the treatments combined with the scaffold, with MSCs and PBM inducing more bone repair, followed by the scaffold combined with PBM, the scaffold combined with MSCs, and finally the scaffold alone (ANOVA, p ≤ 0.05). CONCLUSIONS The P(VDF-TrFE)/BaTiO3 scaffold acted synergistically with MSCs and PBM to induce bone repair in rat calvarial defects. These findings emphasize the need to combine a range of techniques to regenerate large bone defects and provide avenues for further investigations on innovative tissue engineering approaches.
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Affiliation(s)
- Leticia Faustino Adolpho
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | | | - Gileade Pereira Freitas
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
- School of Dentistry, Federal University of Goiás, Goiânia 74605-020, GO, Brazil
| | - Helena Bacha Lopes
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Maria Paula Oliveira Gomes
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Emanuela Prado Ferraz
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Rossano Gimenes
- Institute of Physics and Chemistry, University of Itajubá, Itajubá 37500-903, MG, Brazil
| | - Marcio Mateus Beloti
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Adalberto Luiz Rosa
- Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
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Zuardi LR, de Oliveira FS, Fernandes RR, Gomes MPO, Spriano S, Nanci A, de Oliveira PT. Effects of rmBMP-7 on Osteoblastic Cells Grown on a Nanostructured Titanium Surface. Biomimetics (Basel) 2022; 7:biomimetics7030136. [PMID: 36134940 PMCID: PMC9496167 DOI: 10.3390/biomimetics7030136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/06/2022] [Accepted: 09/14/2022] [Indexed: 01/23/2023] Open
Abstract
This study evaluates the effects of the availability of exogenous BMP-7 on osteoblastic cells’ differentiation on a nanotextured Ti surface obtained by chemical etching (Nano-Ti). The MC3T3-E1 and UMR-106 osteoblastic cell lines were cultured for 5 and 7 days, respectively, on a Nano-Ti surface and on a control surface (Control-Ti) in an osteogenic medium supplemented with either 40 or 200 ng/mL recombinant mouse (rm) BMP-7. The results showed that MC3T3-E1 cells exhibited distinct responsiveness when exposed to each of the two rmBMP-7 concentrations, irrespective of the surface. Even with 40 ng/mL rmBMP-7, important osteogenic effects were noticed for Control-Ti in terms of cell proliferation potential; Runx2, Osx, Alp, Bsp, Opn, and Smad1 mRNA expression; and in situ ALP activity. For Nano-Ti, the effects were limited to higher Alp, Bsp, and Opn mRNA expression and in situ ALP activity. On both surfaces, the osteogenic potential of UMR-106 cultures remained unaltered with 40 ng/mL rmBMP-7, but it was significantly reduced when the cultures were exposed to the 200 ng/mL concentration. The availability of rmBMP-7 to pre-osteoblastic cells at the concentrations used alters the expression profile of osteoblast markers, indicative of the acquisition of a more advanced stage of osteoblastic differentiation. This occurs less pronouncedly on the nanotextured Ti and without reflecting in higher mineralized matrix production by differentiated osteoblasts on both surfaces.
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Affiliation(s)
- Leonardo Raphael Zuardi
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Fabíola Singaretti de Oliveira
- Department of Oral and Maxillofacial Surgery and Periodontics, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Roger Rodrigo Fernandes
- Department of Oral and Maxillofacial Surgery and Periodontics, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Maria Paula Oliveira Gomes
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Silvia Spriano
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy
| | - Antonio Nanci
- Faculté de Médecine Dentaire, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Paulo Tambasco de Oliveira
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
- Correspondence: ; Tel.: +55-16-99623-3663
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