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Marin-Neto, José Antonio Rassi Jr., Anis Moraes Oliveira, Gláucia M. Lemos Correia, Luís Claudio Novaes Ramos Jr., Alberto Hasslocher-Moreno, Alejandro Marcel Luquetti Ostermayer, Alejandro Sousa, Andréa Silvestre de Amato Vincenzo de Paola, Angelo Sobral de Sousa, Antonio Carlos Pinho Ribeiro, Antonio Luiz Correia Filho, Dalmo Moraes de Souza, Dilma do Socorro Cunha-Neto, Edecio J. A. Ramires, Felix Bacal, Fernando Pereira Nunes, Maria do Carmo Martinelli Filho, Martino Ibrahim Scanavacca, Maurício Magalhães Saraiva, Roberto Alves de Oliveira Júnior, Wilson M. Lorga-Filho, Adalberto de Jesus Benevides de Almeida Guimarães, Adriana Lopes Latado Braga, Adriana Sarmento de Oliveira, Adriana V. L. Sarabanda, Alvaro Yecê das Neves Pinto, Ana Assis Lopes do Carmo, André Schmidt, André Costa, Andréa Rodrigues da Ianni, Barbara Maria Markman Filho, Brivaldo Eduardo Rochitte, Carlos Thé Macedo, Carolina Mady, Charles Chevillard, Christophe Bittencourt das Virgens, Cláudio Marcelo Nery de Castro, Cleudson De Paoli de Carvalho Britto, Constança Felícia Pisani, Cristiano do Carmo Rassi, Daniela C. Sobral Filho, Dario Rodrigues Almeida, Dirceu A. Bocchi, Edimar T. Mesquita, Evandro de Souza Nogueira Sardinha Mendes, Fernanda Pereira, Francisca Tatiana Sperandio da Silva, Gilberto Marcelo de Lima Peixoto, Giselle Glotz de Lima, Gustavo H. Veloso, Henrique Turin Moreira, Henrique Bellotti Lopes, Hugo Masciarelli Francisco Pinto, Ibraim Pinto Dias, João Carlos Bemfica, João Marcos Silva-Nunes, João Paulo Soares Barreto-Filho, José Augusto Kerr Saraiva, José Francisco Lannes-Vieira, Joseli Menezes Oliveira, Joselina Luzia V. Armaganijan, Luciana Martins, Luiz Cláudio C. Sangenis, Luiz Henrique Barbosa, Marco Paulo Almeida-Santos, Marcos Antônio Simões, Marcos Vinicius Shikanai-Yasuda, Maria Aparecida Vieira Moreira, Maria da Consolação Higuchi, Maria de Lourdes Costa Monteiro, Maria Rita de Cássia Felix Mediano, Mauro Felippe Maia Lima, Mayara T. Oliveira, Maykon Moreira Dias Romano , Minna Nitz, Nadjar de Tarso Jorge Medeiros, Paulo Vieira Alves, Renato Alkmim Teixeira, Ricardo Coury Pedrosa, Roberto Aras, Roque Morais Torres, Rosália dos Santos Povoa, Rui Manoel Rassi, Sérgio Gabriel Salles Xavier, Sérgio Marinho Martins Alves , Silvia B. N. Tavares, Suelene Lima Palmeira, Swamy da Silva Junior, Telêmaco Luiz da Rocha Rodrigues, Thiago Madrini Junior, Vagner Maia da Costa , Veruska Dutra, Walderez

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Data de publicação: 2022-10-11

Resumo: En Pt

This guideline aimed to update the concepts and formulate the standards of conduct and scientific evidence that support them, regarding the diagnosis and treatment of the Cardiomyopathy of Chagas disease, with special emphasis on the rationality base that supported it.nbsp; Chagas disease in the 21st century maintains an epidemiological pattern of endemicity in 21 Latin American countries. Researchers and managers from endemic and non-endemic countries point to the need to adopt comprehensive public health policies to effectively control the interhuman transmission of T. cruzi infection, and to obtain an optimized level of care for already infected individuals, focusing on diagnostic and therapeutic opportunistic opportunities. nbsp; Pathogenic and pathophysiological mechanisms of the Cardiomyopathy of Chagas disease were revisited after in-depth updating and the notion that necrosis and fibrosis are stimulated by tissue parasitic persistence and adverse immune reaction, as fundamental mechanisms, assisted by autonomic and microvascular disorders, was well established. Some of them have recently formed potential targets of therapies.nbsp; The natural history of the acute and chronic phases was reviewed, with enhancement for oral transmission, indeterminate form and chronic syndromes. Recent meta-analyses of observational studies have estimated the risk of evolution from acute and indeterminate forms and mortality after chronic cardiomyopathy. Therapeutic approaches applicable to individuals with Indeterminate form of Chagas disease were specifically addressed. All methods to detect structural and/or functional alterations with various cardiac imaging techniques were also reviewed, with recommendations for use in various clinical scenarios. Mortality risk stratification based on the Rassi score, with recent studies of its application, was complemented by methods that detect myocardial fibrosis.nbsp; The current methodology for etiological diagnosis and the consequent implications of trypanonomic treatment deserved a comprehensive and in-depth approach. Also the treatment of patients at risk or with heart failure, arrhythmias and thromboembolic events, based on pharmacological and complementary resources, received special attention. Additional chapters supported the conducts applicable to several special contexts, including t. cruzi/HIV co-infection, risk during surgeries, in pregnant women, in the reactivation of infection after heart transplantation, and others.nbsp; nbsp;nbsp; Finally, two chapters of great social significance, addressing the structuring of specialized services to care for individuals with the Cardiomyopathy of Chagas disease, and reviewing the concepts of severe heart disease and its medical-labor implications completed this guideline.

Esta diretriz teve como objetivo principal atualizar os conceitos e formular as normas de conduta e evidências científicas que as suportam, quanto ao diagnóstico e tratamento da CDC, com especial ênfase na base de racionalidade que a embasou. A DC no século XXI mantém padrão epidemiológico de endemicidade em 21 países da América Latina. Investigadores e gestores de países endêmicos e não endêmicos indigitam a necessidade de se adotarem políticas abrangentes, de saúde pública, para controle eficaz da transmissão inter-humanos da infecção pelo T. cruzi, e obter-se nível otimizado de atendimento aos indivíduos já infectados, com foco em oportunização diagnóstica e terapêutica. Mecanismos patogênicos e fisiopatológicos da CDC foram revisitados após atualização aprofundada e ficou bem consolidada a noção de que necrose e fibrose sejam estimuladas pela persistência parasitária tissular e reação imune adversa, como mecanismos fundamentais, coadjuvados por distúrbios autonômicos e microvasculares. Alguns deles recentemente constituíram alvos potenciais de terapêuticas. A história natural das fases aguda e crônica foi revista, com realce para a transmissão oral, a forma indeterminada e as síndromes crônicas. Metanálises recentes de estudos observacionais estimaram o risco de evolução a partir das formas aguda e indeterminada e de mortalidade após instalação da cardiomiopatia crônica. Condutas terapêuticas aplicáveis aos indivíduos com a FIDC foram abordadas especificamente. Todos os métodos para detectar alterações estruturais e/ou funcionais com variadas técnicas de imageamento cardíaco também foram revisados, com recomendações de uso nos vários cenários clínicos. Estratificação de risco de mortalidade fundamentada no escore de Rassi, com estudos recentes de sua aplicação, foi complementada por métodos que detectam fibrose miocárdica. A metodologia atual para diagnóstico etiológico e as consequentes implicações do tratamento tripanossomicida mereceram enfoque abrangente e aprofundado. Também o tratamento de pacientes em risco ou com insuficiência cardíaca, arritmias e eventos tromboembólicos, baseado em recursos farmacológicos e complementares, recebeu especial atenção. Capítulos suplementares subsidiaram as condutas aplicáveis a diversos contextos especiais, entre eles o da co-infecção por T. cruzi/HIV, risco durante cirurgias, em grávidas, na reativação da infecção após transplante cardíacos, e outros.nbsp;nbsp;nbsp; Por fim, dois capítulos de grande significado social, abordando a estruturação de serviços especializados para atendimento aos indivíduos com a CDC, e revisando os conceitos de cardiopatia grave e suas implicações médico-trabalhistas completaram esta diretriz.nbsp;

https://doi.org/10.1590/SciELOPreprints.4820

Exposure to lipopolysaccharide and calcium silicate-based materials affects the behavior of dental pulp cells
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Pedrosa, Marlus da Silva

; Vilela, Handially dos Santos

; Rahhal, Juliana Garuba

; Bueno, Natália Pieretti

; Lima, Fabianne Soares

; Nogueira, Fernando Neves

; Sipert, Carla Renata

Brazilian Dental Journal

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Out 2022, Volume 33 Nº 5 Páginas 9 - 17

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Este estudo avaliou a viabilidade celular, produção de citocinas e potencial de mineralização de células da polpa dentária humana (hDPCs) após exposição a lipopolissacarídeo (LPS) e aplicação de materiais à base de silicato de cálcio (CSBM). A caracterização do CSBM foi realizada por espectroscopia (n = 3). Extratos de Bio-C Repair, Biodentine, Cimmo HD e MTA Repair HP foram preparados e diluídos (1: 1, 1: 4 e 1:16). A cultura de hDPCs foi estabelecida e tratada ou não com 1 µg / mL de LPS de Escherichia coli por 7 dias. O ensaio de MTT foi usado para avaliar a viabilidade celular em 24, 48 e 72 h (n = 6). A atividade da fosfatase alcalina (ALP) foi avaliada no dia 7 (n = 4). Il-10 e TNF-α foram quantificados por ELISA em 24 h (n = 6). Os dados foram analisados por ANOVA e teste de Tukey (α = 0,05). A viabilidade celular das hPDCs ativados por LPS foi maior do que o controle não tratado em 48 e 72 h (p <0,05). Diferenças entre hPDCs não tratados e ativados por LPS foram observados para Biodentine e Cimmo HP (p < 0,05). Os CSBM influenciaram na viabilidade celular (p <0,05). A atividade de ALP foi maior em hDPCs ativadas por LPS (p <0,05). Não foram observadas alterações na concentração de TNF-α entre os grupos (p> 0,05). Os CSBM aumentaram a produção de Il-10 (p < 0,05). Os hDPCs ativados por LPS apresentaram um aumento na viabilidade celular e atividade ALP. Os CSBM apresentaram toxicidade moderada e foram capazes de aumentar a viabilidade celular e o potencial de mineralização de hDPCs não tratados e ativados por LPS. Os CSBM também induziram mecanismos anti-inflamatórios sem comprometer os pró-inflamatórios.

Abstract This study assessed the cell viability, cytokine production, and mineralization potential of human dental pulp cells (hDPCs) after exposure to lipopolysaccharide (LPS) and application of calcium silicate-based materials (CSBM). Characterization of the CSBM was performed by infrared spectroscopy (n = 3). Extracts of Bio-C Repair, Biodentine, Cimmo HD, and MTA Repair HP were prepared and diluted (1:1, 1:4, and 1:16). Culture of hDPCs was established and treated or not with 1 µg/mL of LPS from Escherichia coli for 7 days. MTT assay was used to assess cell viability at 24, 48, and 72 h (n = 6). Alkaline phosphatase (ALP) activity was assayed on day 7 (n = 4). Il-10 and TNF-α were quantified by ELISA at 24 h (n = 6). Data were analyzed by ANOVA and Tukey’s test (α = 0.05). Cell viability of LPS-activated hPDCs was higher than untreated control in 48 and 72 h (p < 0.05). Differences between non-treated and LPS-activated hPDCs were observed for Biodentine and Cimmo HP (p < 0.05). The CSBM influenced the cell viability (p < 0.05). ALP activity was higher in LPS-activated hDPCs (p < 0.05). No changes in the concentration of TNF-α were observed between groups (p > 0.05). The CSBM increased the Il-10 production (p < 0.05). LPS-activated hDPCs presented increased cell viability and ALP activity. The CSBM showed mild toxicity and was able to enhance the cell viability and mineralization potential of untreated and LPS-activated hDPCs. The CSBM also induced anti-inflammatory mechanisms without compromising pro-inflammatory ones.

https://doi.org/10.1590/0103-6440202204990

Response of periodontal ligament stem cells to lipopolysaccharide and calcium silicate-based materials
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Pedrosa, Marlus da Silva

; Vilela, Handially dos Santos

; Rahhal, Juliana Garuba

; Bueno, Natália Pieretti

; Lima, Fabianne Soares

; Nogueira, Fernando Neves

; Sipert, Carla Renata

Brazilian Dental Journal

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Abr 2022, Volume 33 Nº 2 Páginas 73 - 82

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Este estudo objetivou avaliar a resposta in vitro de células-tronco do ligamento periodontal humano (hPDLSCs) à ativação por lipopolissacarídeo bacteriano (LPS) e aplicação de três materiais à base de silicato de cálcio (CSBM): Bio-C Sealer, MTA Fillapex e Cimmo HP. A caracterização dos CSBM foi realizada por FTIR (n = 3). Extratos de Bio-C Sealer, MTA Fillapex e Cimmo HP foram preparados e diluídos (1:1, 1: 4 e 1:16). A cultura de hPDLSCs foi estabelecida e tratada ou não com 1 µg / mL de LPS de Escherichia coli por 7 dias. O ensaio de MTT foi usado para avaliar a viabilidade celular em 24, 48 e 72 h (n = 9). A atividade de ALP foi avaliada indiretamente no dia 7 (n = 5). As citocinas TNF-α e Il-10 foram quantificadas por ELISA em sobrenadantes de células em 24h (n = 6). Os dados foram analisados por ANOVA e teste de Tukey (α = 0,05). A viabilidade celular das hPDLSCs ativados por LPS foi maior do que o controle (p <0,05). A aplicação dos CSBM afetou a viabilidade celular de células ativadas ou não por LPS (p <0,05). A atividade de ALP foi maior para Bio-C Sealer e Cimmo HP em células não ativadas e ativadas por LPS, respectivamente (p <0,05). A aplicação dos CSBM normalizou a secreção de TNF-α nas células ativadas por LPS (p <0,05). Apenas o MTA Fillapex em hPDLSCs não ativadas apresentou valores mais elevados de Il-10 (p <0,05). Em conclusão, os resultados sugerem que a simulação do processo inflamatório por LPS afetou a resposta in vitro de células-tronco do ligamento periodontal e de materiais à base de silicato de cálcio.

Abstract This study was conducted to assess the in vitro response of human periodontal ligament stem cells (hPDLSCs) to bacterial lipopolysaccharide (LPS) activation and application of three calcium silicate-based materials (CSBM): Bio-C Sealer, MTA Fillapex and Cimmo HP. Characterization of the CSBM was performed by FTIR (n = 3). Extracts of Bio-C Sealer, MTA Fillapex and Cimmo HP were prepared and diluted (1:1, 1:4 and 1:16). Culture of hPDLSCs was established and treated or not with LPS from Escherichia coli (1 µg/mL) for 7 days. MTT assay was used to assess cell viability at 24, 48 and 72 h (n = 9). Alkaline phosphatase (ALP) activity was indirectly assayed at day 7 (n = 5). TNF-α and Il -1 0 cytokines were quantified by ELISA at 24h-cell supernatants (n = 6). Data were analyzed by ANOVA and Tukey’s test (α = 0.05). The cell viability of the LPS-activated hPDLSCs were higher than untreated control (p < 0.05). The application of CSBM affected the cell viability of untreated and LPS-activated cells (p < 0.05). ALP activity was higher for Bio-C Sealer and Cimmo HP in untreated and LPS-activated cells, respectively (p < 0.05). Application of CSBM normalized the TNF-α secretion in the LPS-activated cells (p < 0.05). Only MTA Fillapex in untreated hPDLSCs presented higher values of Il -1 0 (p < 0.05). Taken collectively, the results suggests that the simulation of the inflammatory process by LPS affect the in vitro response the hPDLSCs to the application of the CSBM.

https://doi.org/10.1590/0103-6440202204659

Cytotoxicity of Reparative Endodontic Cements on Human Periodontal Ligament Stem Cells
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Pedrosa, Marlus da Silva

; Alves, Tomaz

; Rahhal, Juliana Garuba

; Nogueira, Fernando Neves

; Sipert, Carla Renata

Pesquisa Brasileira em Odontopediatria e Clínica Integrada

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2022, Volume 22 elocation e210114

Resumo: En | Texto: En | PDF: En

ABSTRACT Objective To compare the cytotoxicity of commercial reparative endodontic cements on human periodontal ligament stem cells (hPDLSCs). Material and Methods The culture of hPDLSCs was established. Cell density was set at 2 × 104 cells/well in 96-well plates. Extracts of Biodentine, Bio-C Repair, Cimmo HD, MTA Repair HP and White MTA were prepared. Then, the extracts were diluted (pure, 1:4 and 1:16) and inserted into cell-seeded wells for 24, 48, and 72 h to assess cell viability through MTT assay. hPDLSCs incubated with culture medium alone served as a negative control group. Data were analyzed by Two-Way ANOVA and Tukey’s test (α=0.05). Results At 24 h, pure extract of MTA Repair HP and Biodentine 1:16 presented higher cell viability compared to control. Lower cell viability was found for pure extract of Cimmo HD, MTA Repair HP 1:4 and 1:16, and White MTA 1:16. At 48 h, pure extract of Bio-C Repair and MTA Repair HP presented higher cell viability compared to control. At 72 h, only the pure extract of MTA Repair HP led to higher cell proliferation compared to control. Conclusion Biodentine, Bio-C Repair and MTA Repair HP were able to induce hPDLSCs proliferation. Cimmo HD and White MTA were found to be mostly cytotoxic in hPDLSCs.

https://doi.org/10.1590/pboci.2022.004

Antioxidant effect of chamomile tea on the salivary glands of streptozotocin-induced diabetic rats
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Perestrelo, Bruna Oliveira

; Carvalho, Polliane Morais de

; Souza, Douglas Nesadal

; Carneiro, Mara Junqueira

; Cirino, João Pedro Gonçalves

; Carvalho, Patricia Oliveira

; Sawaya, Alexandra Christine Helena Frankland

; Oyama, Lila Missae

; Nogueira, Fernando Neves

Brazilian Oral Research

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2022, Volume 36 elocation e034

Resumo: En | Texto: En | PDF: En

Abstract: This study aimed to analyze oxidative stress and the activity of antioxidant enzymes in the salivary glands of streptozotocin (STZ)-induced diabetic rats with ad libitum consumption of chamomile tea in substitution of water for 21 days. Rats were divided in two control groups (untreated control and treated control) and two diabetic groups (untreated diabetic and treated diabetic). Superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) activities, total antioxidant status (TAS), and malondialdehyde (MDA) concentrations were determined. The chemical composition of the chamomile essential oil revealed 39 compounds, accounting for 93.5% of the total oils. The polyphenolic profile of the tea showed the presence of apigenin, luteolin, umbelliferone, and esculetin. SOD, GPx, CAT, and TAS levels were lower in the parotid (PA) diabetic glands, but treatment increased their concentration in both the submandibular (SM) and PA diabetic salivary glands. Increased MDA levels were observed in the PA diabetic glands, which were decreased by the consumption of chamomile tea with a reduction in hyperglycemia compared to that in untreated diabetic rats. However, the SM diabetic glands showed no difference in the MDA content. The consumption of chamomile tea prevented oxidative stress in the PA glands of diabetic rats, exhibiting hypoglycemic and antioxidant effects. Thus, chamomile tea could be a potential candidate for preventing oral complications in diabetes mellitus.

https://doi.org/10.1590/1807-3107bor-2022.vol36.0034

Calcium silicate-based cements affect the cell viability and the release of TGF-β1 from apical papilla cells
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Pedrosa, Marlus da Silva

; Nogueira, Fernando Neves

; Sipert, Carla Renata

Brazilian Dental Journal

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Nov 2021, Volume 32 Nº 6 Páginas 1 - 7

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Este estudo investigou a citotoxicidade e liberação do Fator de Crescimento Transformador Beta 1 (TGF-β1) em células da papila apical humana (APCs) cultivadas após a aplicação de quatro materiais bioativos. A cultura de APCs foi estabelecida e usada para ensaios citotóxicos e quantitativos. Extratos de Biodentine, Bio-C Repair, MTA Repair e White MTA foram preparados e diluídos (1, 1: 4 e 1:16) e usados para ensaios de MTT por até 72 h. O TGF-β1 total foi quantificado por ELISA. Os dados foram analisados por ANOVA e teste de Tukey (α = 0,05). Para o Biodentine, em 24 h e 48 h, efeito citotóxico foi observado (p <0,05). Em 72 h, apenas o extrato não diluído de Biodentine teve efeito citotóxico (p <0,05). Em 24 h, valores mais baixos de viabilidade celular foram encontrados para o extrato não diluído e diluidi 1:4 de Bio-C Repair (p <0,05). Em 48 h, no entanto, Bio-C Repair na diluição 1:4 e 1:8 mostrou maior viabilidade celular (p <0,05). A viabilidade celular para MTA Repair não diluído em 24 e 48 h foi maior que o controle (p <0,05). Para White MTA, às 24 e 48 h, a viabilidade celular em todas as diluições foram citotóxicas (p <0,05). Todos os cimentos levaram à redução da liberação de TGF-β1 total das APCs (p <0,05). Em conclusão, a viabilidade celular variou dependendo do material e da diluição. Biodentine, Bio-C Repair e MTA Repair levaram a uma maior viabilidade celular de APCs. Todos os materiais induziram uma diminuição na liberação de TGF-β1 total das APCs.

Abstract This study investigated the cytotoxicity and release of Transforming Growth Factor Beta 1 (TGF-β1) from cultured human apical papilla cells (APCs) after application of four bioactive materials. Culture of APCs was established and used for cytotoxic and quantitative assays. Extracts of Biodentine, Bio-C Repair, MTA Repair and White MTA were prepared and diluted (1, 1:4 and 1:16) and used for MTT assays up to 72 h. Total TGF-β1 was quantified by ELISA. Data were analyzed by ANOVA and Tukey’s test (α = 0.05). For Biodentine, at 24 h and 48 h, cell viability was lower than control (p < 0.05). At 72 h, only undiluted extract of Biodentine were cytotoxic (p < 0.05). At 24 h, a cytotoxic effect was found for undiluted and 1:4 dilution of Bio-C Repair (p < 0.05). At 48 h, however, Bio-C Repair at 1:4 and 1:8 dilution showed higher cell viability (p < 0.05). At 24 and 48 h, the cell viability for undiluted MTA Repair were higher than control (p < 0.05). For White MTA, at 24 and 48 h, all dilutions were cytotoxic (p < 0.05). All cements led to reduced release of total TGF-β1 from the APCs (p < 0.05). In conclusion, cell viability varied depending on the material and dilution. Only Bio-C repair and MTA repair led to higher cell viability of APCs. All materials induced a decrease in the release of total TGF-β1 from the APCs.

https://doi.org/10.1590/0103-6440202104598

Cytotoxicity and cytokine production by calcium silicate-based materials on periodontal ligament stem cells
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Pedrosa, Marlus da Silva

; Alves, Tomaz

; Nogueira, Fernando Neves

; Holzhausen, Marinella

; Sipert, Carla Renata

Brazilian Dental Journal

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Jun 2021, Volume 32 Nº 3 Páginas 65 - 74

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Este estudo investigou o efeito de três materiais comerciais à base de silicato de cálcio (CSBM) na citotoxicidade e na produção de citocinas pró e antiinflamatórias em células-tronco do ligamento periodontal humano (hPDLSCs). Cultura de hPDLSCs foi estabelecida e caracterizada. Extratos de Bio-C Sealer (Angelus, Londrina, PR, Brasil), MTA Fillapex (Angelus, Londrina, PR, Brasil) e PBS Cimmo HP® (Cimmo Soluções em Saúde, Pouso Alegre, MG, Brasil) foram preparados com a colocação de espécimes dos cimentos (5 x 3 mm) em meio de cultura. Em seguida, os extratos foram diluídos (1, 1: 2, 1: 4, 1: 8, 1:16) e inseridos nos poços semeados de células para ensaio de citotoxicidade por meio de MTT por 24, 48 e 72 h. As citocinas TNF-α e IL-10 foram quantificadas por ELISA em sobrenadantes de células de 24 h. Os dados foram analisados por ANOVA e teste de Tukey (α = 0,05). Todos os CSBM exibiram alguma citotoxicidade que variou de acordo com a concentração do extrato e o tempo de avaliação. O MTA Fillapex apresentou os maiores efeitos citotóxicos com redução significativa da atividade metabólica / viabilidade celular quando comparado ao Bio-C Sealer e Cimmo HP®. O TNF-α foi regulado positivamente pelos três cimentos testados (p <0,05), enquanto apenas o MTA Fillapex regulou positivamente a liberação de IL-10 em comparação com o controle. Tomados em conjunto, os resultados mostraram que PBS Cimmo HP®, Bio-C Sealer e MTA Fillapex apresentam citotoxicidade leve e transitória e induziram a produção de TNF-α. O MTA Fillapex regulou positivamente a liberação de IL-10 por hPDLSCs.

Abstract This study investigated the effect of three commercial calcium silicate-based materials (CSBM) on cytotoxicity and pro-and anti-inflammatory cytokines production in cultured human periodontal ligament stem cells (hPDLSCs). Culture of hPDLSCs was established and characterized. Extracts of Bio-C Sealer (Angelus, Londrina, PR, Brazil), MTA Fillapex (Angelus, Londrina, PR, Brazil) and PBS Cimmo HP (Cimmo Soluções em Saúde, Pouso Alegre, MG, Brazil) were prepared by placing cement specimens (5 x 3 mm) in culture medium. Then, the extracts were serially two-fold diluted (1, 1:2, 1:4, 1:8, 1:16) and inserted into the cell-seeded wells for 24, 48 and 72 h for MTT assays. TNF-α and IL-10 cytokines were quantified by ELISA at 24h-cell supernatants. Data were analyzed by ANOVA and Tukey’s test (α = 0.05). All CSBM exhibited some cytotoxicity that varied according to extract concentration and time of evaluation. MTA Fillapex presented the highest cytotoxic effects with significant reduction of metabolic activity/cell viability when compared to Bio-C Sealer and Cimmo HP®. TNF-α was significantly upregulated by the three tested cements (p < 0.05) while only MTA Fillapex significantly upregulated IL-10 in comparison to control. Taken collectively, the results showed that PBS Cimmo HP®, Bio-C Sealer and MTA Fillapex present mild and transient cytotoxicity and slightly induced TNF-α production. MTA Fillapex upregulated IL-10 release by hPDLSCs.

https://doi.org/10.1590/0103-6440202104467 38 downloads

Diretrizes Brasileiras de Hipertensão Arterial – 2020
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Barroso, Weimar Kunz Sebba

; Rodrigues, Cibele Isaac Saad

; Bortolotto, Luiz Aparecido

; Mota-Gomes, Marco Antônio

; Brandão, Andréa Araujo

; Feitosa, Audes Diógenes de Magalhães

; Machado, Carlos Alberto

; Poli-de-Figueiredo, Carlos Eduardo

; Amodeo, Celso

; Mion Júnior, Décio

; Barbosa, Eduardo Costa Duarte

; Nobre, Fernando

; Guimarães, Isabel Cristina Britto

; Vilela-Martin, José Fernando

; Yugar-Toledo, Juan Carlos

; Magalhães, Maria Eliane Campos

; Neves, Mário Fritsch Toros

; Jardim, Paulo César Brandão Veiga

; Miranda, Roberto Dischinger

; Póvoa, Rui Manuel dos Santos

; Fuchs, Sandra C

; Alessi, Alexandre

; Lucena, Alexandre Jorge Gomes de

; Avezum, Alvaro

; Sousa, Ana Luiza Lima

; Pio-Abreu, Andrea

; Sposito, Andrei Carvalho

; Pierin, Angela Maria Geraldo

; Paiva, Annelise Machado Gomes de

; Spinelli, Antonio Carlos de Souza

; Nogueira, Armando da Rocha

; Dinamarco, Nelson

; Eibel, Bruna

; Forjaz, Cláudia Lúcia de Moraes

; Zanini, Claudia Regina de Oliveira

; Souza, Cristiane Bueno de

; Souza, Dilma do Socorro Moraes de

; Nilson, Eduardo Augusto Fernandes

; Costa, Elisa Franco de Assis

; Freitas, Elizabete Viana de

; Duarte, Elizabeth da Rosa

; Muxfeldt, Elizabeth Silaid

; Lima Júnior, Emilton

; Campana, Erika Maria Gonçalves

; Cesarino, Evandro José

; Marques, Fabiana

; Argenta, Fábio

; Consolim-Colombo, Fernanda Marciano

; Baptista, Fernanda Spadotto

; Almeida, Fernando Antonio de

; Borelli, Flávio Antonio de Oliveira

; Fuchs, Flávio Danni

; Plavnik, Frida Liane

; Salles, Gil Fernando

; Feitosa, Gilson Soares

; Silva, Giovanio Vieira da

; Guerra, Grazia Maria

; Moreno Júnior, Heitor

; Finimundi, Helius Carlos

; Back, Isabela de Carlos

; Oliveira Filho, João Bosco de

; Gemelli, João Roberto

; Mill, José Geraldo

; Ribeiro, José Marcio

; Lotaif, Leda A. Daud

; Costa, Lilian Soares da

; Magalhães, Lucélia Batista Neves Cunha

; Drager, Luciano Ferreira

; Martin, Luis Cuadrado

; Scala, Luiz César Nazário

; Almeida, Madson Q.

; Gowdak, Marcia Maria Godoy

; Klein, Marcia Regina Simas Torres

; Malachias, Marcus Vinícius Bolívar

; Kuschnir, Maria Cristina Caetano

; Pinheiro, Maria Eliete

; Borba, Mario Henrique Elesbão de

; Moreira Filho, Osni

; Passarelli Júnior, Oswaldo

; Coelho, Otavio Rizzi

; Vitorino, Priscila Valverde de Oliveira

; Ribeiro Junior, Renault Mattos

; Esporcatte, Roberto

; Franco, Roberto

; Pedrosa, Rodrigo

; Mulinari, Rogerio Andrade

; Paula, Rogério Baumgratz de

; Okawa, Rogério Toshiro Passos

; Rosa, Ronaldo Fernandes

; Amaral, Sandra Lia do

; Ferreira-Filho, Sebastião R.

; Kaiser, Sergio Emanuel

; Jardim, Thiago de Souza Veiga

; Guimarães, Vanildo

; Koch, Vera H.

; Oigman, Wille

; Nadruz, Wilson

Arquivos Brasileiros de Cardiologia

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Mar 2021, Volume 116 Nº 3 Páginas 516 - 658

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

https://doi.org/10.36660/abc.20201238 10948 downloads

10.

Implications for Clinical Practice from a Multicenter Survey of Heart Failure Management Centers
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Bocchi, Edimar Alcides

; Moreira, Henrique Turin

; Nakamuta, Juliana Sanajotti

; Simões, Marcus Vinicius

; Casas, Alberto de Almeida Las

; Costa, Altamiro Reis da

; Assis, Amberson Vieira de

; Durães, André Rodrigues

; Pereira-Barretto, Antonio Carlos

; Ravessa, Antonio Delduque de Araujo

; Macedo, Ariane Vieira Scarlatelli

; Biselli, Bruno

; Pinto, Carolina Maria Nogueira

; Filho, Conrado Roberto Hoffmann

; Costantini, Costantino Roberto

; Almeida, Dirceu Rodrigues

; Santos Jr, Edval Gomes dos

; Soliva Junior, Erwin

; Figueiredo, Estevão Lanna

; Albuquerque, Felipe Neves de

; Paulitsch, Felipe

; Neuenschwander, Fernando Carvalho

; Figueiredo Neto, José Albuquerque de

; Brito, Flavio de Souza

; Lopes, Heno Ferreira

; Villacorta, Humberto

; Souza Neto, João David de

; Sepulveda, João Mariano

; Ayoub, José Carlos Aidar

; Vilela-Martin, José F.

; Cardoso, Juliano Novaes

; Uemura, Laercio

; Moura, Lidia Zytynski

; Maia, Lilia Nigro

; Oliveira, Lucia Brandão de

; Maia, Lucimir

; Silva, Luís Beck da

; Gowdak, Luís Henrique Wolff

; Danzmann, Luiz Claudio

; Andrade, Marcus

; Braile-Sternieri, Maria Christiane Valeria Braga

; Moreira, Maria da Consolação Vieira

; França Neto, Olimpio R

; Filho, Otavio Rizzi Coelho

; Esteves, Paulo Frederico

; Raupp-da-Rosa, Priscila

; Silva, Ricardo Jorge de Queiroz e

; Mourilhe-Rocha, Ricardo

; Viégas, Ruy Felipe Melo

; Rassi, Salvador

; Mangili, Sandrigo

; Kaiser, Sergio Emanuel

; Martins, Silvia Marinho

; Kawabata, Vitor Sergio

Clinics

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2021, Volume 76 elocation e1991

Resumo: En | Texto: En | PDF: En

OBJECTIVES: This observational, cross-sectional study based aimed to test whether heart failure (HF)-disease management program (DMP) components are influencing care and clinical decision-making in Brazil. METHODS: The survey respondents were cardiologists recommended by experts in the field and invited to participate in the survey via printed form or email. The survey consisted of 29 questions addressing site demographics, public versus private infrastructure, HF baseline data of patients, clinical management of HF, performance indicators, and perceptions about HF treatment. RESULTS: Data were obtained from 98 centers (58% public and 42% private practice) distributed across Brazil. Public HF-DMPs compared to private HF-DMP were associated with a higher percentage of HF-DMP-dedicated services (79% vs 24%; OR: 12, 95% CI: 94-34), multidisciplinary HF (MHF)-DMP [84% vs 65%; OR: 3; 95% CI: 1-8), HF educational programs (49% vs 18%; OR: 4; 95% CI: 1-2), written instructions before hospital discharge (83% vs 76%; OR: 1; 95% CI: 0-5), rehabilitation (69% vs 39%; OR: 3; 95% CI: 1-9), monitoring (44% vs 29%; OR: 2; 95% CI: 1-5), guideline-directed medical therapy-HF use (94% vs 85%; OR: 3; 95% CI: 0-15), and less B-type natriuretic peptide (BNP) dosage (73% vs 88%; OR: 3; 95% CI: 1-9), and key performance indicators (37% vs 60%; OR: 3; 95% CI: 1-7). In comparison to non- MHF-DMP, MHF-DMP was associated with more educational initiatives (42% vs 6%; OR: 12; 95% CI: 1-97), written instructions (83% vs 68%; OR: 2: 95% CI: 1-7), rehabilitation (69% vs 17%; OR: 11; 95% CI: 3-44), monitoring (47% vs 6%; OR: 14; 95% CI: 2-115), GDMT-HF (92% vs 83%; OR: 3; 95% CI: 0-15). In addition, there were less use of BNP as a biomarker (70% vs 84%; OR: 2; 95% CI: 1-8) and key performance indicators (35% vs 51%; OR: 2; 95% CI: 91,6) in the non-MHF group. Physicians considered changing or introducing new medications mostly when patients were hospitalized or when observing worsening disease and/or symptoms. Adherence to drug treatment and non-drug treatment factors were the greatest medical problems associated with HF treatment. CONCLUSION: HF-DMPs are highly heterogeneous. New strategies for HF care should consider the present study highlights and clinical decision-making processes to improve HF patient care.

https://doi.org/10.6061/clinics/2021/e1991 870 downloads

11.

[SciELO Preprints] - Salivary Glands, Saliva and Oral Presentations in COVID-19 infection
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Pedrosa, Marlus Sipert, Carla Renata Nogueira, Fernando Neves

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Data de publicação: 2020-05-27

Resumo: En

Since the outbreak of the novel coronavirus disease 2019 (COVID-19) caused by SARS-CoV-2, several published reports in the scientific literature called attention to the oral cavity as the potential route of infection, the implications for dental practice and the use of saliva in the diagnose of the COVID-19. Here, we would like to review the available literature on the salivary glands and saliva in the context of SARS-CoV-2 infection. A brief discussion of the oral manifestations is also presented.

https://doi.org/10.1590/SciELOPreprints.604

12.

Posicionamento Brasileiro sobre Hipertensão Arterial Resistente – 2020
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Yugar-Toledo, Juan Carlos

; Moreno Júnior, Heitor

; Gus, Miguel

; Rosito, Guido Bernardo Aranha

; Scala, Luiz César Nazário

; Muxfeldt, Elizabeth Silaid

; Alessi, Alexandre

; Brandão, Andrea Araújo

; Moreira Filho, Osni

; Feitosa, Audes Diógenes de Magalhães

; Passarelli Júnior, Oswaldo

; Souza, Dilma do Socorro Moraes de

; Amodeo, Celso

; Barroso, Weimar Kunz Sebba

; Gomes, Marco Antônio Mota

; Paiva, Annelise Machado Gomes de

; Barbosa, Eduardo Costa Duarte

; Miranda, Roberto Dischinger

; Vilela-Martin, José Fernando

; Nadruz Júnior, Wilson

; Rodrigues, Cibele Isaac Saad

; Drager, Luciano Ferreira

; Bortolotto, Luiz Aparecido

; Consolim-Colombo, Fernanda Marciano

; Sousa, Márcio Gonçalves de

; Borelli, Flávio Antonio de Oliveira

; Kaiser, Sérgio Emanuel

; Salles, Gil Fernando

; Azevedo, Maria de Fátima de

; Magalhães, Lucélia Batista Neves Cunha

; Póvoa, Rui Manoel dos Santos

; Malachias, Marcus Vinícius Bolívar

; Nogueira, Armando da Rocha

; Jardim, Paulo César Brandão Veiga

; Jardim, Thiago de Souza Veiga

Arquivos Brasileiros de Cardiologia

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Mar 2020, Volume 114 Nº 3 Páginas 576 - 596

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

https://doi.org/10.36660/abc.20200198 9626 downloads

13.

Salivary Glands, Saliva and Oral Findings in COVID-19 Infection
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Pedrosa, Marlus da Silva

; Sipert, Carla Renata

; Nogueira, Fernando Neves

Pesquisa Brasileira em Odontopediatria e Clínica Integrada

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2020, Volume 20 Supl. 1 elocation e0104

Resumo: En | Texto: En | PDF: En

Abstract The world is under the threat of the novel coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Despite several efforts to contain the disease spread, it still constitutes a public health emergency of international concern. Several published reports in the scientific literature called attention of the oral cavity as the potential route of infection, the implications for dental practice and the use of saliva in the diagnose of the COVID-19. The aim of this article is to provide an overview of the literature on the salivary glands and saliva in the context of SARS-CoV-2 infection. A brief discussion of taste disturbances and oral findings in COVID-19 patients is also presented. The literature shows that SARS-CoV-2 could infect the salivary glands. It is not possible, however, to make speculations regarding them as reservoirs for the SARS-CoV-2. In addition, patients with COVID-19 presented several oral repercussions, including hyposalivation and taste disturbances. A few reports showed oral ulcers and blisters associated with SARS-CoV-2 infection. However, it remains not fully understood and might lead to erroneous assumptions. Overall, further studies are necessary to understand the real role of salivary glands and saliva in the context of SARS-CoV-2 infection.

https://doi.org/10.1590/pboci.2020.112 6133 downloads

14.

FINANCIAL ANALYSIS OF INVESTMENTS IN FOREST CONCESSION FOR AMAZON BRAZILIAN BY DETERMINISTIC AND STOCHASTIC METHODS
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Rodrigues, Maisa Isabela

; Souza, Álvaro Nogueira de

; Joaquim, Maisa Santos

; Sanches, Keila Lima

; Araújo, Juliana Baldan Costa Neves

; Castanheira Neto, Fernando

; Coelho Junior, Luiz Moreira

CERNE

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Dez 2019, Volume 25 Nº 4 Páginas 482 - 490

Resumo: En | Texto: En | PDF: En

ABSTRACT Forest concessions were implemented in Brazil as a way to increase the areas of sustainable forest management. Little is known about the financial viability of forest management in Brazil, which is one of its main bottlenecks. In this context, the aim of the study was to evaluate the financial viability of an investment in forest concession. In order to do so, the Net Present Value (NPV), Periodic Equivalent Benefit (PEB), Internal Rate of Return (IRR) and Real Options Analysis (ROA) were adopted, and the option of abandonment was also analyzed. As a variable for ROA analysis, the productivity (m³.ha-1) at the first years of forest concession under study was adopted. The NPV of the investment corresponds to US$ 8.04.m-³, the PEB was US$ 0.52.m-³.year-1 and the IRR, 20.75%. In order to be considered feasible, the forest concession must have a minimum productivity of 17.75 m³.ha-1. Of the 861 managerial decisions, the option to proceed with the investment was adopted in 237 nodes (27.53%), and the decision to abandon was exercised in 624 nodes (72.47%). This is a worrying result for the concessionaire companies and also for the management entities of the forest concessions, mainly when comparing with the concessions reality, where abandonment is an option that has been performed. It can be concluded that the high probability of abandoning highlights a fragility of forest concessions. ROA proved to be a good methodology to complement traditional methods of financial analysis, presenting satisfactory results in aiding decision-making.

https://doi.org/10.1590/01047760201925042627 603 downloads

15.

Prevalence of asymptomatic urethritis by Chlamydia trachomatis and Neisseria gonorrhoeae and associated risk factors among males living with HIV-1
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Silva, Guilherme Almeida Rosa da

; Motta, Heloisa Loureiro de Sá Neves

; Souza, Erik Friedrich Alex de

; Cardoso, Pedro Afonso Nogueira Moises

; Pilotto, José Henrique

; Eyer-Silva, Walter Araujo

; Ribeiro, Luiz Cláudio Pereira

; Santos, Mônica Soares dos

; Azevedo, Marcelo Costa Velho Mendes de

; Pinto, Jorge Francisco da Cunha

; Motta, Rogerio Neves

; Ferry, Fernando Raphael de Almeida

Revista do Instituto de Medicina Tropical de São Paulo

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2018, Volume 60 elocation e11

Resumo: En | Texto: En | PDF: En

ABSTRACT Objectives The increase in HIV transmissibility in non-ulcerative sexually transmitted infection is already well-established. It is estimated that symptomatic carriers of N. gonorrhoeae and C. trachomatis have a relative risk of 4.8-fold and 3.6-fold, respectively, for the sexual acquisition of HIV. This type of evaluation for asymptomatic urethritis is necessary to reinforce strategies to combat HIV transmission. This study aims to assess the prevalence of patients with asymptomatic urethritis among men diagnosed with HIV-1 and determine the risk factors associated with this infection. Methods We enrolled a total of 115 male patients aged 18 years or older who have been diagnosed with HIV infection and have no symptoms of urethritis or other sexually transmitted infections and who have been evaluated between May and August 2015 in a follow-up visit at the Immunology Outpatient Clinic of a Brazilian University Hospital. Results Four asymptomatic patients were positive for C. trachomatis and were considered asymptomatic carriers of urethritis. Prevalence was 3.47%. Patients who were positive for C. trachomatis urethritis had a lower mean age (p = 0.015). Conclusion The presence of asymptomatic sexually transmitted infection is a challenge in clinical practice. We recommend that, in outpatient practice, the habit of inquiring on previous sexual behavior to obtain more information about risks and associations with asymptomatic sexually transmitted infection, a routine physical examination and complementary tests to detect STI pathogens should be performed to discard these conditions. The development of rapid tests for this purpose should also be encouraged.

https://doi.org/10.1590/s1678-9946201860011 3401 downloads

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