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Gasparoni LM, Alves T, França BND, Balzarini D, Albuquerque-Souza E, Pedroni ACF, Rovai EDS, Mendoza AH, Sipert CR, Holzhausen M. Cell sheet produced from periodontal ligament stem cells activated by PAR1 improves osteogenic differentiation. Braz Oral Res 2024; 38:e079. [PMID: 39258632 PMCID: PMC11376637 DOI: 10.1590/1807-3107bor-2024.vol38.0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 04/02/2024] [Indexed: 09/12/2024] Open
Abstract
Periodontal regeneration is a challenge, and tissue engineering based on periodontal ligament stem cells (PDLSCs) has been shown to be a promising alternative to this process. However, the need for scaffolds has limited the therapeutic use of PDLSCs. In this context, scaffold-free tissue engineering using the cell sheet (CS) technique has been developed as an alternative approach to improve tissue regeneration. Previously, we showed that Protease-activated receptor-1 (PAR1) can regulate PDLSCs. Herein, we evaluate whether PAR1 influences osteogenesis in CSs produced from PDLSCs, without the use of scaffolds. PDLSCs were isolated and immunophenotyped. Then, CSs were obtained by supplementing the culture medium with ascorbic acid (50 µg/mL), and PAR1 was activated through its agonist peptide (100 nM). Scaffold-free 3D CSs were successfully produced from PDLSCs, and they showed higher proliferation potential than isolated PDLSCs. Also, PAR1 activation decreased senescence and improved osteogenic differentiation of CSs by increasing mineralized nodule deposition and alkaline phosphatase concentration; PAR1 also modulated osteogenic markers at the gene and protein levels. We further demonstrated that this effect was regulated by Wnt, TGF-βI, MEK, p38 MAPK, and FGF/VEGF signaling pathways in PDLSCs (p < 0.05%). Overall, PAR1 activation increased osteogenic activity in CSs, emerging as a promising scaffold-free therapeutic approach for periodontal regeneration.
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Affiliation(s)
- Letícia Miquelitto Gasparoni
- Universidade Federal de Juiz de Fora - UFJF, School of Dentistry, Department of Dental Clinic, Juiz de Fora, MG, Brazil
| | - Tomaz Alves
- University of North Carolina, Adams School of Dentistry, Division of Comprehensive Oral Health, Chapel Hill, NC, USA
| | - Bruno Nunes de França
- Universidade São Francisco - USF, School of Dentistry, Bragança Paulista, SP, Brazil
| | - Danilo Balzarini
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
| | | | - Ana Clara Fagundes Pedroni
- Universidade de São Paulo - USP, School of Dentistry, Department of Restorative Dentistry, São Paulo, SP, Brazil
| | - Emanuel da Silva Rovai
- Universidade Estadual Paulista - Unesp, Institute of Science and Technology, Division of Periodontics, São José dos Campos, SP, Brazil
| | - Aldrin Huamán Mendoza
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
| | - Carla Renata Sipert
- Universidade de São Paulo - USP, School of Dentistry, Department of Restorative Dentistry, São Paulo, SP, Brazil
| | - Marinella Holzhausen
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
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França BND, Gasparoni LM, Rovai ES, Ambrósio LMB, Mendonça NFD, Hagy MH, Mendoza AH, Sipert CR, Holzhausen M. Protease-activated receptor type 2 activation downregulates osteogenesis in periodontal ligament stem cells. Braz Oral Res 2023; 37:e002. [PMID: 36629588 DOI: 10.1590/1807-3107bor-2023.vol37.0002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 06/21/2022] [Indexed: 01/11/2023] Open
Abstract
Protease-activated receptor-2 (PAR2) is associated with the pathogenesis of many chronic diseases with inflammatory characteristics, including periodontitis. This study aimed to evaluate how the activation of PAR2 can affect the osteogenic activity of human periodontal ligament stem cells (PDLSCs) in vitro. PDLSCs collected from three subjects were treated in osteogenic medium for 2, 7, 14, and 21 days with trypsin (0.1 U/mL), PAR2 specific agonist peptide (SLIGRL-NH2) (100 nM), and PAR2 antagonist peptide (FSLLRY-NH2) (100 nM). Gene (RT-qPCR) expression and protein expression (ELISA) of osteogenic factors, bone metabolism, and inflammatory cytokines, cell proliferation, alkaline phosphatase (ALP) activity, alizarin red S staining, and supernatant concentration were assessed. Statistical analysis of the results with a significance level of 5% was performed. Activation of PAR2 led to decreases in cell proliferation and calcium deposition (p < 0.05), calcium concentration (p < 0.05), and ALP activity (p < 0.05). Additionally, PAR2 activation increased gene and protein expression of receptor activator of nuclear factor kappa-Β ligand (RANKL) (p < 0.05) and significantly decreased the gene and protein expression of osteoprotegerin (p <0. 05). Considering the findings, the present study demonstrated PAR2 activation was able to decrease cell proliferation, decreased osteogenic activity of PDLSCs, and upregulated conditions for bone resorption. PAR2 may be considered a promising target in periodontal regenerative procedures.
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Affiliation(s)
- Bruno Nunes de França
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
| | | | - Emanuel Silva Rovai
- Universidade de Taubaté - Unitau, School of Dentistry, Periodontics Division, Taubaté, São Paulo, SP, Brazil
| | | | | | - Marcos Hideki Hagy
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
| | - Aldrin Huamán Mendoza
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
| | - Carla Renata Sipert
- Universidade de São Paulo - USP, School of Dentistry, Department of Restorative Dentistry, São Paulo, SP, Brazil
| | - Marinella Holzhausen
- Universidade de São Paulo - USP, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil
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Osteogenesis in human periodontal ligament stem cell sheets is enhanced by the protease-activated receptor 1 (PAR1) in vivo. Sci Rep 2022; 12:15637. [PMID: 36117187 PMCID: PMC9482923 DOI: 10.1038/s41598-022-19520-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/30/2022] [Indexed: 11/24/2022] Open
Abstract
Human periodontal ligament stem cells (PDLSCs) have been studied as a promising strategy in regenerative approaches. The protease-activated receptor 1 (PAR1) plays a key role in osteogenesis and has been shown to induce osteogenesis and increase bone formation in PDLSCs. However, little is known about its effects when activated in PDLSCs as a cell sheet construct and how it would impact bone formation as a graft in vivo. Here, PDLSCs were obtained from 3 patients. Groups were divided into control, osteogenic medium and osteogenic medium + PAR1 activation by TFLLR-NH2 peptide. Cell phenotype was determined by flow cytometry and immunofluorescence. Calcium deposition was quantified by Alizarin Red Staining. Cell sheet microstructure was analyzed through light, scanning electron microscopy and histology and transplanted to Balb/c nude mice. Immunohistochemistry for bone sialoprotein (BSP), integrin β1 and collagen type 1 and histological stains (H&E, Van Giesson, Masson’s Trichrome and Von Kossa) were performed on the ex-vivo mineralized tissue after 60 days of implantation in vivo. Ectopic bone formation was evaluated through micro-CT. PAR1 activation increased calcium deposition in vitro as well as BSP, collagen type 1 and integrin β1 protein expression and higher ectopic bone formation (micro-CT) in vivo.
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Pedrosa MDS, Alves T, Rahhal JG, Nogueira FN, Sipert CR. Cytotoxicity of Reparative Endodontic Cements on Human Periodontal Ligament Stem Cells. PESQUISA BRASILEIRA EM ODONTOPEDIATRIA E CLÍNICA INTEGRADA 2022. [DOI: 10.1590/pboci.2022.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Rovai ES, Alves T, Gasparoni LM, França BND, Sipert CR, Kantarci A, Holzhausen M. Protease-activated receptor type 1 (PAR1) increases CEMP1 gene expression through MAPK/ERK pathway. Braz Oral Res 2022; 36:e048. [DOI: 10.1590/1807-3107bor-2022.vol36.0048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 01/10/2022] [Indexed: 12/13/2022] Open
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Queiroz A, Albuquerque-Souza E, Gasparoni LM, França BND, Pelissari C, Trierveiler M, Holzhausen M. Therapeutic potential of periodontal ligament stem cells. World J Stem Cells 2021; 13:605-618. [PMID: 34249230 PMCID: PMC8246246 DOI: 10.4252/wjsc.v13.i6.605] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/24/2021] [Accepted: 04/22/2021] [Indexed: 02/07/2023] Open
Abstract
Inflammatory periodontal disease known as periodontitis is one of the most common conditions that affect human teeth and often leads to tooth loss. Due to the complexity of the periodontium, which is composed of several tissues, its regeneration and subsequent return to a homeostatic state is challenging with the therapies currently available. Cellular therapy is increasingly becoming an alternative in regenerative medicine/dentistry, especially therapies using mesenchymal stem cells, as they can be isolated from a myriad of tissues. Periodontal ligament stem cells (PDLSCs) are probably the most adequate to be used as a cell source with the aim of regenerating the periodontium. Biological insights have also highlighted PDLSCs as promising immunomodulator agents. In this review, we explore the state of knowledge regarding the properties of PDLSCs, as well as their therapeutic potential, describing current and future clinical applications based on tissue engineering techniques.
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Affiliation(s)
- Aline Queiroz
- Laboratory of Stem Cell Biology in Dentistry-LABITRON, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Emmanuel Albuquerque-Souza
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Leticia Miquelitto Gasparoni
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Bruno Nunes de França
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Cibele Pelissari
- Laboratory of Stem Cell Biology in Dentistry-LABITRON, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Marília Trierveiler
- Laboratory of Stem Cell Biology in Dentistry-LABITRON, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Marinella Holzhausen
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
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Abstract
Hemophilia is caused by a lack of antihemophilic factor(s), for example, factor VIII (FVIII; hemophilia A) and factor IX (FIX; hemophilia B). Low bone mass is widely reported in epidemiological studies of hemophilia, and patients with hemophilia are at an increased risk of fracture. The detailed etiology of bone homeostasis imbalance in hemophilia is unclear. Clinical and experimental studies show that FVIII and FIX are involved in bone remodeling. However, it is likely that antihemophilic factors affect bone biology through thrombin pathways rather than via their own intrinsic properties. In addition, among patients with hemophilia, there are pathophysiological processes in several systems that might contribute to bone loss. This review summarizes studies on the association between hemophilia and bone remodeling, and might shed light on the challenges facing the care and prevention of osteoporosis and fracture in patients with hemophilia.
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Affiliation(s)
- Hanshi Wang
- Department of Sports Medicine and Joint Surgery, The People's Hospital of China Medical University, Shenyang, People's Republic of China
| | - Xizhuang Bai
- Department of Sports Medicine and Joint Surgery, The People's Hospital of China Medical University, Shenyang, People's Republic of China
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