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de Farias JO, da Costa Sousa MG, Martins DCM, de Oliveira MA, Takahashi I, de Sousa LB, da Silva IGM, Corrêa JR, Silva Carvalho AÉ, Saldanha-Araújo F, Rezende TMB. Senescence on Dental Pulp Cells: Effects on Morphology, Migration, Proliferation, and Immune Response. J Endod 2024; 50:362-369. [PMID: 38211820 DOI: 10.1016/j.joen.2023.12.009] [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: 09/19/2023] [Revised: 12/29/2023] [Accepted: 12/30/2023] [Indexed: 01/13/2024]
Abstract
INTRODUCTION Evidence indicates that senescence can affect essential dental pulp functions, such as defense capacity and repair, consequently affecting the successes of conservative endodontic treatments. This study aims to evaluate the effects of senescence on the morphology, migration, proliferation, and immune response of human dental pulp cells. METHODS Cells were treated with doxorubicin to induce senescence, confirmed by β-galactosidase staining. Morphological changes, cellular proliferation, and migration were evaluated by scanning electron microscopy, trypan blue cells, and the scratch method, respectively. Modifications in the immune response were evaluated by measuring the genes for pro-inflammatory cytokines tumor necrosis factor alpha and interleukin (IL)-6 and anti-inflammatory cytokines transforming growth factor beta 1 and IL-10 using the real time polymerase chain reaction assay. RESULTS An increase in cell size and a decrease in the number of extensions were observed in senescent cells. A reduction in the proliferative and migratory capacity was also found in senescent cells. In addition, there was an increase in the gene expression of inflammatory cytokines tumor necrosis factor alpha and IL-6 and a decrease in the gene expression of IL-10 and transforming growth factor beta-1, suggesting an exacerbated inflammatory situation associated with immunosuppression. CONCLUSIONS Cellular senescence is possibly a condition that affects prognoses of conservative endodontic treatments, as it affects primordial cellular functions related to this treatment.
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Affiliation(s)
- Jade Ormondes de Farias
- Pós-graduação em Ciências da Saúde, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil
| | - Maurício Gonçalves da Costa Sousa
- Division of Biomaterials and Biomechanics, Department of Restorative, Dentistry, School of Dentistry, Oregon Health & Science University, Portland Oregon; Knigth Cancer Precision Biofabrication Hub, Knigth Cancer Institute, Oregon, Health and Science University, Portland, Oregon; Cancer Early Detection Advanced Research Center, Oregon Health Science, University, Portland, Oregon
| | - Danilo César Mota Martins
- Pós-graduação em Ciências da Saúde, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil
| | - Mayara Alves de Oliveira
- Pós-graduação em Ciências da Saúde, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil
| | - Isadora Takahashi
- Pós-graduação em Ciências da Saúde, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil
| | - Larissa Barbosa de Sousa
- Pós-graduação em Ciências da Saúde, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil
| | | | - José Raimundo Corrêa
- Laboratório de Microscopia e Microanálise, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Brazil
| | - Amandda Évelin Silva Carvalho
- Laboratório de Hematologia e Células-tronco, Faculdade de Ciências da Saúde, Universidade de Brasília, Brasília, Brazil
| | - Felipe Saldanha-Araújo
- Laboratório de Hematologia e Células-tronco, Faculdade de Ciências da Saúde, Universidade de Brasília, Brasília, Brazil
| | - Taia Maria Berto Rezende
- Pós-graduação em Ciências da Saúde, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil; Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica, de Brasília, Brasília, Brazil; Departamento de Odontologia, Faculdade de Ciências de Saúde, Universidade, Brasília, Brazil; Pós-graduação em Odontologia, Faculdade de Ciências de Saúde, Universidade de Brasília, Brasília, Brazil.
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Ribeiro VMDS, Sousa MGDC, Garcia PR, Santos LSD, Duarte ECB, Corrêa JR, Labate CA, Cataldi TR, da Costa RA, Ramada MHS, de Carvalho JL, Rezende TMB. Histologic and proteomic profile of two methods to decellularize human dental pulp tissue. Arch Oral Biol 2024; 157:105847. [PMID: 38000129 DOI: 10.1016/j.archoralbio.2023.105847] [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: 08/23/2023] [Revised: 10/16/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023]
Abstract
OBJECTIVE The present study compared the structural and proteomic architecture of extracellular matrices (ECM) of decellularized human dental pulp using two previously described protocols. DESIGN Pulp tissue from 150 molars was extracted and three treatments took place, based on the Matoug-Elwerfelli Group (MG) and the Song Group (SG) protocols and an untreated pulp group (CG), to examine histoarchitecture and the effectiveness of the decellularization process, using histological analysis (n = 12) and scanning electron microscopy (SEM) (n = 3). Protein extraction took place using 100 mg dry weight of pulp, in triplicates for each group, and the shotgun proteome analysis was performed by nanoUPLC-MSE. Proteins were identified using the revised human UNIPROT database attached to the PLGS search engine. RESULTS Histological analysis and SEM demonstrated that ECM in MG was more preserved. Proteome analysis showed that the decellularized process in MG maintained approximately 69.56% of proteins identified in untreated pulp tissue while SG maintained 28.26%. CONCLUSIONS ECM appears to be suitable as a potential biological scaffold for pulp revascularization and regeneration procedures, especially those processed according to the Matoug-Elwerfelli protocol. This finding can collaborate to enhance clinical solutions for young permanent teeth that have suffered necrosis.
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Affiliation(s)
| | - Maurício Gonçalves da Costa Sousa
- Knight Cancer Precision Biofabrication Hub, Knight Cancer Institute, Oregon Health and Science University, Portland, OR, United States; Cancer Early Detection Advanced Research Center, Oregon Health and Science University, Portland, OR, United States; Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, OR, United States
| | - Paula Ribeiro Garcia
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Departamento de Clínica Odontológica, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Lucas Souza Dos Santos
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | | | - José Raimundo Corrêa
- Decanato de Ensino de Graduação, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Carlos Alberto Labate
- Laboratório Max Feffer de Genética de Plantas, Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Thaís Regiani Cataldi
- Laboratório Max Feffer de Genética de Plantas, Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Rosiane Andrade da Costa
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Marcelo Henrique Soller Ramada
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Juliana Lott de Carvalho
- Curso de Medicina, Universidade de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Taia Maria Berto Rezende
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil; Departamento de Odontologia, Universidade de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Odontologia, Universidade de Brasília, Brasília, Distrito Federal, Brazil.
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Sousa MGDC, Xavier PD, Cantuária APDC, Amorim IA, Almeida JA, Franco OL, Rezende TMB. Antimicrobial and immunomodulatory in vitro profile of double antibiotic paste. Int Endod J 2021; 54:1850-1860. [PMID: 34033685 DOI: 10.1111/iej.13576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 05/19/2021] [Accepted: 05/21/2021] [Indexed: 12/20/2022]
Abstract
AIM To evaluate the antimicrobial and immunomodulatory activity of double antibiotic paste (DAP) in an in vitro infection model. METHODOLOGY The minimum inhibitory and bactericidal concentrations (MIC and MBC) and the antibiofilm activities (TTC assay) of DAP and its components (ciprofloxacin and metronidazole) were evaluated against Staphylococcus aureus and Enterococcus faecalis compared with triple antibiotic paste (TAP). The cellular viability of RAW 264.7 macrophages (24 and 72 h) and L929 fibroblasts (48 and 72 h) was evaluated by MTT. Furthermore, the production of TNF-α, IL-12, IL-6, IL-1α, IL-10 and NO (on RAW 264.7), besides IL-6, TGF-β and NO (on L929), stimulated with DAP in baseline and associated with heat-killed microbial-antigen conditions was measured by ELISA and Griess reaction. Data were analysed using the one-way ANOVA test with Bonferroni's corrections. RESULTS The MBC of pharmacopoeia DAP was similar to TAP for E. faecalis (0.25 μg. mL-1 ) and lower for S. aureus (DAP 1 μg. mL-1 and TAP 2 μg. mL-1 ; p < .001). Ciprofloxacin was the most effective antibiofilm drug from the pastes (35% of reduction for E. faecalis and S. aureus; p < .0001), and both pastes had a similar antibiofilm eradication against both biofilm species (29% and 35% for S. aureus and 76% and 85% for E. faecalis; p < .0001). DAP was cytotoxic against the tested cells. DAP significantly upregulated IL-1α (p < .001), IL-6 (p < .0001), TNF-α (p < .01) and IL-12 (p < .05; in the absence of antigens) and significantly reduced IL-6 (p < .0001; in the presence of HK-S. aureus) and IL-10 (p < .05; in the presence of both antigens) on macrophages. Furthermore, DAP upregulated IL-6 (p < .001) and NO (p < .05; in the absence of antigens), IL-6 (p < .001; in the presence of HK-S. aureus) and reduced NO (p < .001; in the presence of HK-S. aureus). CONCLUSIONS Double antibiotic paste and TAP had similar antimicrobial activity against S. aureus and E. faecalis. DAP upregulated pro-inflammatory cytokines mainly in the absence of antigens and had pro- and anti-inflammatory activity in RAW 264.7 macrophages and L929 fibroblasts in the presence of antigens involved in pulp infections.
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Affiliation(s)
- Maurício Gonçalves da Costa Sousa
- Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
| | | | | | - Ingrid Aquino Amorim
- Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil.,Curso de Odontologia, Centro Universitário Unieuro, Brasília, Brazil
| | - Jeeser Alves Almeida
- Pós-Graduação em Saúde e Desenvolvimento na Região Centro Oeste, Faculdade de Medicina, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil
| | - Octavio Luiz Franco
- Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil.,Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil.,S-Inova Biotech, Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Taia Maria Berto Rezende
- Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil.,Pós-Graduação em Ciências da Saúde, Faculdade de Ciências da Saúde, Universidade de Brasília, Brasília, Brazil.,Curso de Odontologia, Universidade Católica de Brasília, Brasília, Brazil
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Rezende TMB, Ribeiro Sobrinho AP, Vieira LQ, Sousa MGDC, Kawai T. Mineral trioxide aggregate (MTA) inhibits osteoclastogenesis and osteoclast activation through calcium and aluminum activities. Clin Oral Investig 2020; 25:1805-1814. [PMID: 32789653 DOI: 10.1007/s00784-020-03483-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/29/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVE To evaluate the effect(s) of mineral trioxide aggregate (MTA) on in vitro RANKL-mediated osteoclast-dependent bone resorption events and the influence of Ca2+ and Al3+ on the osteoclastogenesis inhibition by MTA. MATERIALS AND METHODS Two types of osteoclast precursors, RAW 264.7 (RAW) cell line or bone marrow cells (obtained from BALB/c mice and stimulated with recombinant (r) macrophage colony stimulation factor (M-CSF), were stimulated with or without recombinant (r) activator of nuclear kappa B ligand (RANKL), in the presence or absence of MTA for 6 to 8 days. White Angelus MTA and Bios MTA (Angelus, Londrina, Paraná, Brazil) were prepared and inserted into capillary tubes (direct contact surface = 0.50 mm2 and 0.01 mm2). Influence of MTA on these types of osteoclast precursors was measured by the number of differentiated tartrate-resistant acid phosphatase (TRAP)-positive multinuclear cells (RAW and bone marrow cells), TRAP enzyme activity (RAW cells), cathepsin K gene expression (RAW cells), and resorptive pit formation (RAW cells) by mature osteoclasts. Besides, RAW cells were also stimulated with Ca2+ and Al3+ to evaluate the influence of these ions on MTA anti-osteoclastogenic potential. RESULTS In bone marrow and RAW cells, the number of TRAP-positive mature osteoclast cells induced by rRANKL was significantly inhibited by the presence of MTA compared with control rRANKL stimulation without MTA (p < 0.05), along with the reduction of TRAP enzyme activity (p < 0.05) and the low expression of cathepsin K gene (p < 0.05). In contrast, to control mature osteoclasts, the resorption area on dentin was significantly decreased for mature osteoclasts incubated with MTA (p < 0.05). rRANKL-stimulated RAW cells treated with Ca2+ and Al3+ decreased the number of osteoclasts cells. Besides, the aluminum oxide was the dominant suppressor of the osteoclastogenesis process. CONCLUSIONS MTA significantly suppressed RANKL-mediated osteoclastogenesis and osteoclast activity and, therefore, appears able to suppress bone resorption events in periapical lesions. This process might be related to Ca2+ and Al3+ activities. CLINICAL RELEVANCE MTA is an important worldwidely acknowleged biomaterial. The knowledge about its molecular activities on osteoclasts might contribute to improving the understanding of its clinical efficacy.
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Affiliation(s)
- Taia Maria Berto Rezende
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brazil. .,Curso de Odontologia, Universidade Católica de Brasília, Brasília, DF, Brazil. .,Programa de Pós-graduação em Ciências da Saúde, Universidade de Brasília, Brasília, DF, Brazil.
| | - Antônio Paulino Ribeiro Sobrinho
- Departamento de Odontologia Restauradora, Faculdade de Odontologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Leda Quercia Vieira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Toshihisa Kawai
- Department of Oral Science and Translational Research, College of Dental Medicine, NOVA Southeastern University, Fort Lauderdale, FL, USA.,Cell Therapy Institute, Center for Collaborative Research, NOVA Southeastern University, Fort Lauderdale, FL, USA
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Lima SMDF, Sousa MGDC, Freire MDS, de Almeida JA, Cantuária APDC, Silva TAME, de Freitas CG, Dias SC, Franco OL, Rezende TMB. Immune Response Profile against Persistent Endodontic Pathogens Candida albicans and Enterococcus faecalis In Vitro. J Endod 2015; 41:1061-5. [PMID: 25845887 DOI: 10.1016/j.joen.2015.02.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Revised: 02/08/2015] [Accepted: 02/08/2015] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Persistent microorganisms such as Candida albicans and Enterococcus faecalis might be directly related to endodontic treatment failure. The host response to these microorganisms impairs the reestablishment of intraradicular and periradicular health. METHODS The present investigation evaluated the expression of inflammatory mediators produced by RAW 264.7 cells in the presence of heat-killed antigens (HK) C. albicans and E. faecalis. Cultures of RAW cells were stimulated with both antigens in the presence or absence of recombinant interferon (rIFN)-γ. Parameters of cell viability, production of nitric oxide (NO), as well as the synthesis of interleukin (IL)-1α, IL-6, IL-10, IL-12, monocyte chemotactic protein-1, and tumor necrosis factor (TNF)-α were analyzed. RESULTS Results demonstrated that cell viability was especially reduced in antigens and rIFN-γ-stimulated groups. Groups stimulated with HK C. albicans upregulated IL-10 production. Otherwise, the addition of rIFN-γ to HK C. albicans upregulated TNF-α and NO production. Groups stimulated with HK E. faecalis upregulated TNF-α production. HK E. faecalis and rIFN-γ upregulated TNF-α and NO synthesis. The production of other cytokines remained unchanged by all stimuli. CONCLUSIONS Knowledge regarding the host mechanism of response to microorganisms that perpetuate endodontic infection and the periradicular lesions can contribute to optimization of endodontic therapy. The mentioned inflammatory mediators and virulence factors involved in endodontic failure might guide lesion progression and also be targets in the development of disinfectant and immunomodulatory agents.
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Affiliation(s)
- Stella Maris de Freitas Lima
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Maurício Gonçalves da Costa Sousa
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Mirna de Souza Freire
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação da Rede Centro-Oeste, Brasília, Distrito Federal, Brazil
| | - Jeeser Alves de Almeida
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Curso de Educação Física, Universidade Federal de Mato Grosso do Sul - UFMS, Campo Grande, Mato Grosso do Sul, Brazil
| | - Ana Paula de Castro Cantuária
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Thaís Angélica Machado E Silva
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Camila Guimarães de Freitas
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Instituto Federal de Brasília, Brasília, Distrito Federal, Brazil
| | - Simoni Campos Dias
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Octávio Luiz Franco
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; S-Inova, Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Mato Grosso do Sul, Brazil
| | - Taia Maria Berto Rezende
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil.
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Lima SMDF, de Pádua GM, Sousa MGDC, Freire MDS, Franco OL, Rezende TMB. Antimicrobial peptide-based treatment for endodontic infections--biotechnological innovation in endodontics. Biotechnol Adv 2014; 33:203-213. [PMID: 25447423 DOI: 10.1016/j.biotechadv.2014.10.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Revised: 10/07/2014] [Accepted: 10/31/2014] [Indexed: 01/30/2023]
Abstract
The presence/persistence of microorganisms in the pulp and periapical area corresponds to the maintenance of an exacerbated immune response that leads to the start of periradicular bone resorption and its perpetuation. In endodontic treatment, the available intracanal medications do not have all the desirable properties in the context of endodontic infection and apical periodontitis; they need to include not only strong antimicrobial performance but also an immunomodulatory and reparative activity, without host damage. In addition, there are various levels of resistance to root canal medications. Thus, antimicrobial agents that effectively eliminate resistant species in root canals could potentially improve endodontic treatment. In the emergence of new therapies, an increasing number of studies on antimicrobial peptides (AMPs) have been seen over the past few years. AMPs are defense biomolecules produced in response to infection, and they have a wide spectrum of action against many oral microorganisms. There are some studies that correlate peptides and oral infections, including oral peptides, neuropeptides, and bacterial, fish, bovine and synthetic peptides. So far, there are around 120 published studies correlating endodontic microbiota with AMPs but, according to our knowledge, there are no registered patents in the American patent database. There are a considerable number of AMPs that exhibit excellent antimicrobial activity against endodontic microbiota at a small inhibitory concentration and modulate an exacerbated immune response, down-regulating bone resorption. All these reasons indicate the antimicrobial peptide-based endodontic treatment as an emerging and promising option.
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Affiliation(s)
- Stella Maris de Freitas Lima
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, SGAN 916N, Av. W5, Campus II, Modulo C, Brasília, DF, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Campus I, QS 07 Lote 01 room S213 EPCT, Águas Claras, Taguatinga, DF, Brazil
| | - Gabriela Martins de Pádua
- Curso de Odontologia, Universidade Católica de Brasília, Campus I, QS 07 Lote 01 room S213 EPCT, Águas Claras, Taguatinga, DF, Brazil
| | - Maurício Gonçalves da Costa Sousa
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, SGAN 916N, Av. W5, Campus II, Modulo C, Brasília, DF, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Campus I, QS 07 Lote 01 room S213 EPCT, Águas Claras, Taguatinga, DF, Brazil
| | - Mirna de Souza Freire
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, SGAN 916N, Av. W5, Campus II, Modulo C, Brasília, DF, Brazil; Programa de Doutorado da Rede Centro-Oeste, Brasília, DF, Brazil
| | - Octávio Luiz Franco
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, SGAN 916N, Av. W5, Campus II, Modulo C, Brasília, DF, Brazil; Programa de Doutorado da Rede Centro-Oeste, Brasília, DF, Brazil; S-Inova, Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, MS, Brazil
| | - Taia Maria Berto Rezende
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, SGAN 916N, Av. W5, Campus II, Modulo C, Brasília, DF, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Campus I, QS 07 Lote 01 room S213 EPCT, Águas Claras, Taguatinga, DF, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Faculdade de Ciências da Saúde (FS), Campus Universitário Darcy Ribeiro, Brasília, DF, Brazil.
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