50 results on '"Figueiredo, David Livingstone Alves"'
Search Results
2. Clinical decision support analysis of a microRNA-based thyroid molecular classifier: A real-world, prospective and multicentre validation study
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Santos, Marcos Tadeu, Rodrigues, Bruna Moretto, Shizukuda, Satye, Oliveira, Andrei Félix, Oliveira, Miriane, Figueiredo, David Livingstone Alves, Melo, Giulianno Molina, Silva, Rubens Adão, Fainstein, Claudio, dos Reis, Gerson Felisbino, Corbo, Rossana, Ramos, Helton Estrela, Camacho, Cléber Pinto, Vaisman, Fernanda, and Vaisman, Mário
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- 2022
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3. Desenvolvimento infantil - Aprenda a reconhecer e estimular o desenvolvimento do seu filho
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Oliveira, Carla Sant’Ana de, primary, Figueiredo, David Livingstone Alves, additional, Schiewe, João Alfredo, additional, Sartori, Juliana Bonini, additional, Oliveira, Giovanna Tardem, additional, and Silva, Weber Claudio Nunes Francisco da, additional
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- 2024
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4. ESTRESSE E VIDA ACADÊMICA: DESAFIOS NA EDUCAÇÃO EM SAÚDE E ESPIRITUALIDADE DURANTE A PANDEMIA
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Porfírio, Gustavo Bianchini, primary and Figueiredo, David Livingstone Alves, additional
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- 2022
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5. PAPILOMAVÍRUS HUMANO (HPV) E O CÃNCER DE COLO DE ÚTERO: UM ESTUDO DE REVISÃO
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Santana, Lucas Fagundes, primary, Gabriel, Katiuscia de Oliveira F., additional, Nascimento, Marcieli Borba do, additional, Pereira, Evani Marques, additional, and Figueiredo, David Livingstone Alves, additional
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- 2022
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6. O USO DE APLICATIVOS PARA A PROMOÇÃO EM SAÚDE FRENTE AO HPV NA
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Santana, Lucas Fagundes, primary, Gabriel, Katiuscia de Oliveira F., additional, Nascimento, Marcieli Borba do, additional, Pereira, Evani Marques, additional, and Figueiredo, David Livingstone Alves, additional
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- 2022
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7. Higher Frequency of SARS-CoV-2 RNA Shedding by Cats than Dogs in Households with Owners Recently Diagnosed with COVID-19.
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Lunardi, Michele, Martins, Felippe Danyel Cardoso, Gustani-Buss, Emanuele, Chideroli, Roberta Torres, de Oliveira, Isabela Medeiros, Peronni, Kamila Chagas, Figueiredo, David Livingstone Alves, Alfieri, Alice Fernandes, and Alfieri, Amauri Alcindo
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SARS-CoV-2 ,REVERSE transcriptase polymerase chain reaction ,NUCLEOTIDE sequencing ,VIRAL genomes ,CORONAVIRUSES ,PETS - Abstract
Studies have demonstrated the susceptibility of companion animals to natural infection with SARS-CoV-2. Using quantitative reverse transcription polymerase chain reaction and sequencing analyses, this study investigated SARS-CoV-2 RNA excretion in pets in households with infected owners. Oropharyngeal and rectal swabs were collected from dogs and cats in Parana, Southern Brazil, between October 2020 and April 2021. Viral RNA was detected in 25% of cats and 0.98% of dog oropharyngeal swabs; however, systemic, respiratory, and gastrointestinal signs were absent. Complete viral genomes belonged to the Gamma lineage. Phylogenetic analyses indicated that pet samples were probably derived from human-positive cases in Parana. Viral excretion in the oropharynx was more frequent in cats than in dogs. Mutations in the S protein characteristic of Gamma strains were present in all sequenced SARS-CoV-2 strains. The receptor-binding domain of these Brazilian strains did not show any additional mutations not reported in the Gamma strains. Mutations in NSP6, NSP12, and N proteins previously mapped to strains that infect deer or minks were detected. This study highlights the importance of actively monitoring the SARS-CoV-2 strains that infect pets with continued viral exposure. Monitoring genetic changes is crucial because new variants adapted to animals may pose human health risks. [ABSTRACT FROM AUTHOR]
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- 2024
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8. ESTRATÉGIAS DE APRENDIZAGEM NA EDUCAÇÃO MÉDICA: COMO OS ESTUDANTES DE MEDICINA APRENDEM A APRENDER?
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Melhem Junior, Abrão José, primary, Dos Santos, Felipe Dunin, additional, Porfírio, Gustavo Bianchini, additional, Figueiredo, Danielle Soraya da Silva, additional, De Toni, Plinio Marco, additional, and Figueiredo, David Livingstone Alves, additional
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- 2024
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9. Psychoactive substances and medical students: a systematic review
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Melhem Junior, Abrão José, primary, Panucci, Lucas Jorge Tamura, additional, Peternelli, Maria Paula Gonçalves, additional, Ramalho, Tiago Arse, additional, Lemos, Vinicius Duarte, additional, Teixeira, Vinicius Solak, additional, Porfirio, Gustavo Bianchini, additional, Figueiredo, Danielle Soraya da Silva, additional, and Figueiredo, David Livingstone Alves, additional
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- 2024
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10. Inflammasome Activation and Molecular Mechanisms Involved in COVID-19 Severity: A Systematic Review
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Fermino, Bárbara Luisa, primary, Ivanski, Fernanda, additional, Gabriel, Katiuscia de Oliveira Francisco, additional, Chao, Bárbara Mendes Paz, additional, Nascimento, Marcieli Borba do, additional, Carraro, Emerson, additional, and Figueiredo, David Livingstone Alves, additional
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- 2023
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11. PROJETO DE EXTENSÃO BEBÊ A BORDO: ANÁLISE EX ANTE
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Fiqueiredo, Danielle Soraya da Silva, primary, AGGIO, CRISTIANE DE MELO, additional, PORFÍRIO, GUSTAVO BIANCHINNI, additional, LIMA, KARINE APARECIDA DE, additional, and FIGUEIREDO, DAVID LIVINGSTONE ALVES, additional
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- 2023
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12. A COVID-19 E AS CITOCINAS: UMA REVISÃO DE LITERATURA
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Ivanski, Fernanda, primary, Fermino, Bárbara Luisa, additional, Gabriel, Katiuscia de Oliveira Francisco, additional, Chao, Bárbara Mendes Paz, additional, Figueiredo, David Livingstone Alves, additional, and Carraro, Emerson, additional
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- 2023
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13. ENSAIOS SOBRE LETRAS, LINGUÍSTICA E ARTES
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Bitencourt, Daiane Rodrigues de O., primary, Oliveira, Adilson Vagner de, additional, Tavares, Bruna Toso, additional, Reis, Keila Aparecida, additional, Klein, Geane Valesca da Cunha, additional, Peixoto, Karla Maria Marques, additional, Aragão, Elany Mirian da S. dos S., additional, Macedo, Bruna Caroline Sousa, additional, Carmo, Beatriz Santana do, additional, Silva, Maria da Guia Taveiro, additional, Gomes, Maria do Socorro, additional, Jr, Abrão José Melhem, additional, Oliveira, Marina Baptista de, additional, Figueiredo, David Livingstone Alves, additional, Toni, Plínio Marcos De, additional, Barboza, Marina Oliveira, additional, Silva, Maria do Perpétuo S. C. da, additional, Silva, Antonio Gomes da, additional, Campos, João Victor Souza, additional, Guerreiro, Márcia Patrícia Reis C., additional, and Carvalho, Sheyla Pantoja, additional
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- 2023
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14. Saprochaete clavata invasive infection: characterization, antifungal susceptibility, and biofilm evaluation of a rare yeast isolated in Brazil
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Kraft, Letícia, primary, Ribeiro, Victoria Stadler Tasca, additional, Petroski, Luiz Pedro, additional, Herai, Roberto Hirochi, additional, Peronni, Kamila Chagas, additional, Figueiredo, David Livingstone Alves, additional, Motta, Fábio Araujo, additional, and Tuon, Felipe Francisco, additional
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- 2023
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15. Human papillomavirus (HPV) 16 and the prognosis of head and neck cancer in a geographical region with a low prevalence of HPV infection
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López, Rossana Verónica Mendoza, Levi, José Eduardo, Eluf-Neto, José, Koifman, Rosalina Jorge, Koifman, Sergio, Curado, Maria Paula, Michaluart-Junior, Pedro, Figueiredo, David Livingstone Alves, Saggioro, Fabiano Pinto, de Carvalho, Marcos Brasilino, Kowalski, Luiz Paulo, Abrahão, Márcio, de Góis-Filho, Francisco, Tajara, Eloiza Helena, Waterboer, Tim, Boffetta, Paolo, Brennan, Paul, and Wünsch-Filho, Victor
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- 2014
16. Significant differences in demographic, clinical, and pathological features in relation to smoking and alcohol consumption among 1,633 head and neck cancer patients
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Moyses, Raquel Ajub, López, Rossana Verónica Mendoza, Cury, Patrícia Maluf, Siqueira, Sheila Aparecida Coelho, Curioni, Otávio Alberto, de Gois Filho, José Francisco, Figueiredo, David Livingstone Alves, Tajara, Eloiza Helena, and Michaluart, Pedro, Jr
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- 2013
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17. Violencia sexual contra niños, niñas y adolescentes en tiempos de pandemia
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Carli, Eliane Freire Rodrigues de Souza de, Porfírio, Gustavo Bianchini, and Figueiredo, David Livingstone Alves
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Subnotificação ,Adolescent ,COVID-19 pandemic ,Pandemia da COVID-19 ,Criança ,Infraregistro ,Pandemia de COVID-19 ,Underreporting ,Niño ,Violencia sexual ,Child ,Sexual violence ,Adolescente ,Violência sexual - Abstract
The number of reports of sexual violence against children and adolescents in Brazil during the pandemic does not match the reality found. The article sought to analyze public data on notifications of sexual violence against children and adolescents and their epidemiological profile in Brazil and in the state of Paraná, for this, public information contained in the 15th Yearbook of the Brazilian Forum on Public Security 2019-2020 and also data were analyzed. quantitative data from the DATASUS database. Underreporting is sad evidence, its probable cause may be linked to cultural issues and, in times of a pandemic, to the closing of public facilities or a decrease in opening hours. In most cases, violence is perpetrated within the home, by family members or by people very close to them. The guarantee of the rights of this population in a special condition of development, violated by those who should guarantee it, is a reality that must be modified, and, for this, the academy, the Protection Network, the family and society can collaborate. El número de denuncias de violencia sexual contra niños y adolescentes en Brasil durante la pandemia no se corresponde con la realidad encontrada. El artículo buscó analizar datos públicos sobre notificaciones de violencia sexual contra niños y adolescentes y su perfil epidemiológico en Brasil y en el estado de Paraná, para ello, informaciones públicas contenidas en el 15º Anuario del Foro Brasileño de Seguridad Pública 2019-2020 y también se analizaron datos cuantitativos de la base de datos DATASUS. El subregistro es una triste evidencia, su causa probable puede estar ligada a cuestiones culturales y, en tiempos de pandemia, al cierre de establecimientos públicos o disminución de horarios. En la mayoría de los casos, la violencia es perpetrada dentro del hogar, por miembros de la familia o por personas muy cercanas a ellos. La garantía de los derechos de esta población en especial condición de desarrollo, vulnerados por quienes deben garantizarlos, es una realidad que debe ser modificada, y para ello pueden colaborar la academia, la Red de Protección, la familia y la sociedad. O número de denúncias de violência sexual contra crianças e adolescentes no Brasil durante a pandemia não condiz com a realidade encontrada. O artigo buscou analisar dados públicos de notificações de violência sexual contra crianças e adolescentes e seu perfil epidemiológico no Brasil e no estado do Paraná, para isso foram analisadas as informações públicas contidas no 15º Anuário do Fórum Brasileiro de Segurança Pública 2019-2020 e também dados quantitativos do banco de dados DATASUS. A subnotificação é uma triste evidência, sua provável causa pode estar ligada a questões de ordem cultural e, em tempos de pandemia, ao fechamento dos equipamentos públicos ou diminuição no horário de atendimento. Na maioria dos casos, a violência é perpetrada dentro de casa, por familiares ou por pessoas muito próximas. A garantia de direitos dessa população em especial condição de desenvolvimento, violada por quem deveria garanti-la, é uma realidade que deve ser modificada, e, para isso, a academia, a Rede de Proteção, a família e a sociedade podem colaborar.
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- 2022
18. El primer año del resto de nuestras vidas: salud mental de estudiantes de medicina
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Figueiredo , Danielle Soraya, Lima, Karine Aparecida de, Figueiredo , Felipe Nathan da Silva, Bellodi, Patrícia Lacerda, Porfírio, Gustavo Bianchini, Carraro, Emerson, and Figueiredo, David Livingstone Alves
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Ansiedad ,Salud mental ,Saúde mental ,Depression ,Depresión ,Mental health ,Medical Students ,Estudiantes de medicina ,Estudantes de Medicina ,Depressão ,Anxiety ,Ansiedade - Abstract
Medical students experience from the beginning of their training high levels of anxiety and other mental disorders associated with excessive academic activities, sleep deprivation, peer pressure and other aspects of medical education. The study aimed to analyze the prevalence of mental health disorders (anxiety, depression and stress) among incoming students. Students were evaluated at the beginning and end of the first year of the Medicine course. This is a cross-sectional study, carried out during the first year of the Medicine course at the Universidade Estadual do Centro-Oeste do Paraná. Clinical and sociodemographic information was collected. All students underwent psychological assessment through scales and cortisol measurement for stress assessment at the beginning and end of the first year of the medical course. The instruments BDI II - Beck Depression Inventory, EPD - Depressive Thoughts Scale, Generalized Anxiety Disorder Questionnaire (GAD) and Penn State University Worry Questionnaires were used. Students entered the university with severe anxiety, mild depression, low self-esteem, and deficits in relationship functionality, which worsened during the first year of the course. The data showed high levels of emotional disturbances, such as anxiety, worry and depression since the first year of medical school, with these worsening throughout the academic year. This demonstrates the need to adapt medical schools to receive new entrants and the importance of psycho-emotional support from the beginning of the medical course. Los estudiantes de medicina experimentan desde el comienzo de su formación altos niveles de ansiedad y otros trastornos mentales asociados con actividades académicas excesivas, privación del sueño, presión de grupo y otros aspectos de la educación médica. El estudio tuvo como objetivo analizar la prevalencia de los trastornos de salud mental (ansiedad, depresión y estrés) entre los estudiantes de nuevo ingreso. Los estudiantes fueron evaluados al inicio y al final del primer año de la carrera de Medicina. Se trata de un estudio transversal, realizado durante el primer año de la carrera de Medicina de la Universidade Estadual do Centro-Oeste do Paraná. Se recolectó información clínica y sociodemográfica. Todos los estudiantes fueron sometidos a evaluación psicológica a través de escalas y medición de cortisol para la evaluación del estrés al inicio y al final del primer año de la carrera de medicina. Fueron utilizados los instrumentos BDI II - Inventario de Depresión de Beck, EPD - Escala de Pensamientos Depresivos, Cuestionario de Trastorno de Ansiedad Generalizada (GAD) y Cuestionario de Preocupación de la Universidad de Penn State. Los estudiantes ingresaron a la universidad con ansiedad severa, depresión leve, baja autoestima y déficits en la funcionalidad de las relaciones, que se agudizaron durante el primer año de la carrera. Los datos mostraron altos niveles de trastornos emocionales, como ansiedad, preocupación y depresión desde el primer año de la facultad de medicina, que empeoraron a lo largo del año académico. Esto demuestra la necesidad de adaptar las facultades de medicina para recibir a los nuevos ingresantes y la importancia del apoyo psicoemocional desde el inicio de la carrera de medicina. Estudantes de medicina experimentam desde o início da formação, altos níveis de ansiedade e outros transtornos mentais associados ao excesso de atividades acadêmicas, privação de sono, pressão dos colegas e outros aspectos da educação médica. O estudo teve como objetivo analisar a prevalência de transtornos de saúde mental (ansiedade, depressão e estresse) entre alunos ingressantes. Os alunos foram avaliados no início e no final do primeiro ano do curso de Medicina. Trata-se de um estudo transversal, realizado durante o primeiro ano do curso de Medicina da Universidade Estadual do Centro-Oeste do Paraná. Informações clínicas e sociodemográficas foram coletadas. Todos os alunos passaram por avaliação psicológica por meio de escalas e dosagem de cortisol para avaliação de estresse no início e final do primeiro ano do curso médico. Foram utilizados os instrumentos BDI II - Inventário de Depressão de Beck, EPD - Escala de Pensamentos Depressivos, Questionário de Transtorno de Ansiedade Generalizada (TAG) e Questionários de Preocupação da Penn State University. Os alunos ingressaram na universidade apresentando ansiedade severa, depressão leve, baixa autoestima e déficit na funcionalidade dos relacionamentos, que piorou durante o primeiro ano do curso. Os dados evidenciaram altos níveis de distúrbios emocionais, como ansiedade, preocupação e depressão desde o primeiro ano do curso de medicina, com piora desses ao longo do ano acadêmico. Isso demonstra a necessidade de adaptação das escolas médicas para receber os ingressantes e da importância do suporte psicoemocional desde o início do curso de medicina.
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- 2022
19. Violência sexual contra crianças e adolescentes em tempo de pandemia
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Carli, Eliane Freire Rodrigues de Souza de, primary, Porfírio, Gustavo Bianchini, additional, and Figueiredo, David Livingstone Alves, additional
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- 2022
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20. O primeiro ano do resto das nossas vidas: Saúde mental de alunos de medicina
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Figueiredo, Danielle Soraya, primary, Lima, Karine Aparecida de, additional, Figueiredo, Felipe Nathan da Silva, additional, Bellodi, Patrícia Lacerda, additional, Porfírio, Gustavo Bianchini, additional, Carraro, Emerson, additional, and Figueiredo, David Livingstone Alves, additional
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- 2022
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21. Religión, Espiritualidad y Genética: Posibles conexiones
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Porfírio, Gustavo Bianchini and Figueiredo, David Livingstone Alves
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Sustainability ,Psicologia da Religião e da Espiritualidade ,Genetics ,Psychology of Religion and Spirituality ,Enseñanza ,Sustentabilidade ,Sustentabilidad ,Polymorphism ,Teaching ,Genética ,Psicología de la Religión y la Espiritualidad ,Ensino ,Polimorfismo - Abstract
The religious and spiritual dimension is a constituent part of human subjectivity and its study is presented in a complex and multifaceted way. The present work sought to answer the problem about the possible relationships between religious behavior and religious beliefs with genetic factors and also sought to reflect on the importance of the interaction between genes x environment in the dimension of personal health and sustainability. For this, a bibliographic survey methodology was used and the investigation method of narrative review of the literature was used, from the descriptors selected by the researchers, five articles met the research objectives and were selected to carry out a critical analysis and discussion of the findings. The selected articles presented data that indicate that polymorphisms in certain genes can put people at a greater susceptibility to environmental influences than other people without these polymorphisms, and this, when associated with a positive religious context, evidences positive attitudes. By observing this interaction, we reflect on the importance of a critical analysis of the environments to which people are inserted, as well as the importance of cultivating virtues and incentives for a healthy life within religious environments, as well as the possibility of spirituality as a mediation for paths of sustainability and nature preservation. It is concluded that for there to be a real and significant approximation between science and religion, the path of respect and ethics is fundamental, with interdisciplinarity as an axis for expanding research on the phenomenon of religiosity. La dimensión religiosa y espiritual es parte constitutiva de la subjetividad humana y su estudio se presenta de manera compleja y multifacética. El presente trabajo buscó responder al problema sobre las posibles relaciones entre el comportamiento religioso y las creencias religiosas con factores genéticos y también buscó reflexionar sobre la importancia de la interacción genes x ambiente en la dimensión de la salud personal y la sustentabilidad. Para ello se utilizó una metodología de levantamiento bibliográfico y se empleó el método de investigación de revisión narrativa de la literatura, a partir de los descriptores seleccionados por los investigadores se seleccionaron cinco artículos que cumplieron con los objetivos de la investigación y se seleccionaron para realizar un análisis crítico y discusión de los hallazgos. . Los artículos seleccionados presentaron datos que indican que los polimorfismos en ciertos genes pueden poner a las personas en una mayor susceptibilidad a las influencias ambientales que otras personas sin estos polimorfismos, y esto, cuando se asocia con un contexto religioso positivo, evidencia actitudes positivas. Al observar esta interacción, reflexionamos sobre la importancia de un análisis crítico de los ambientes en los que se insertan las personas, así como la importancia de cultivar virtudes e incentivos para una vida saludable dentro de ambientes religiosos, así como la posibilidad de la espiritualidad como un mediación por caminos de sostenibilidad y preservación de la naturaleza. Se concluye que para que haya una aproximación real y significativa entre ciencia y religión es fundamental el camino del respeto y la ética, con la interdisciplinariedad como eje para ampliar las investigaciones sobre el fenómeno de la religiosidad. A dimensão religiosa e espiritual é parte constituinte da subjetividade humana e seu estudo se apresenta de forma complexa e multifacetada. O presente trabalho buscou responder o problema sobre as possíveis relações entre o comportamento religioso e crenças religiosas com fatores genéticos e também buscou refletir sobre a importância da interação genes x ambiente na dimensão da saúde pessoal e da sustentabilidade. Para isso foi utilizada uma metodologia de levantamento bibliográfico e utilizado o método de investigação de revisão narrativa da literatura, a partir dos descritores selecionados pelos pesquisadores cinco artigos atenderam os objetivos da pesquisa e foram selecionados para a realização de uma análise crítica e discussão dos achados. Os artigos selecionados apresentaram dados que indicam que polimorfismos em determinados genes podem colocar pessoas à uma maior suscetibilidade às influências ambientais do que outras pessoas sem esses polimorfismos, e isso quando associado com um contexto religioso positivo evidencia atitudes positivas. Ao observar essa interação, reflete-se sobre a importância de uma análise crítica dos meios aos quais as pessoas estão inseridas, assim como na importância do cultivo de virtudes e incentivos à uma vida saudável dentro dos meios religiosos, assim como a possibilidade da espiritualidade como mediação para caminhos de sustentabilidade e preservação da natureza. Conclui-se que para que haja uma aproximação real e significativa entre ciência e religião, o caminho do respeito e da ética é fundamental, com a interdisciplinaridade como eixo para ampliação das pesquisas sobre o fenômeno da religiosidade.
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- 2022
22. A LETALIDADE EM HOSPITAIS DO PARANÁ NOS INTERNAMENTOS POR COVID-19
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Klosowski, Luiz Augusto, Carraro, Emerson, and Figueiredo, David Livingstone Alves
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- 2022
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23. Religião, Espiritualidade e Genética: Possíveis conexões
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Porfírio, Gustavo Bianchini, primary and Figueiredo, David Livingstone Alves, additional
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- 2022
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24. SAÚDE E EDUCAÇÃO
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Cardoso, Thiago da Silva Gusmão, primary, Maiotti, Álvaro de Souza, additional, Hildebrandt-Stramann, Reiner, additional, Barcelos, Magali Miranda, additional, Véras, Thamires Ueislla de Castro, additional, Dutra, Keila Regina Barroso, additional, Oliveira, Narcisio Rios, additional, Silva, Maria Luzinete Rodrigues da, additional, Kutz, Nyvian Alexandre, additional, Salgueiro, Marcia Maria H. de A. de O., additional, Simões, Leticia Seidel, additional, Ferreira, Júlio César da Conceição, additional, Urbano, Victor Roberto do Amaral, additional, Santos, Thauany Silva, additional, Costa, Thaís Mendes, additional, Machado, Rafaela Ferreira, additional, Marran, Ana Lucia, additional, Ornellas, Janaina Farias de, additional, Oliveira, Anny Carolina de, additional, Zukowsky-Tavares, Cristina, additional, Andrade, Elisabete Agrela de, additional, Araújo, Ana Paula Augusto de, additional, Silva, Marcia Regina Fernandes da, additional, Kiryu, Neusa Terumi Kawakami, additional, Júnior, Raul Pires de Oliveira, additional, Costa, Jilvana de Godoi Oliveira, additional, Cardoso, Thiago da Silva Gusmão, additional, Oliveira, Patricia Vieira de, additional, Castro, Mariana Lessa de, additional, Muszkat, Mauro, additional, Alencar, Vitória Régia Araújo de, additional, Nascimento, Gabriel Silva Xavier, additional, Oliveira, Mariane Gama de, additional, Nakano, Tatiana de Cassia, additional, Benjamin, Pepita Dayane Alves, additional, Schoen, Teresa Helena, additional, Marteleto, Marcia Regina Fumagalli, additional, Jesus, Elaine de Lima de, additional, Neto, Eraldo Medeiros Costa, additional, Santana, Bruna Farias de, additional, Junior, Abrão José Melhem, additional, Tamura, Lucas Jorge, additional, Teixeira, Vinicius Solak, additional, Toni, Plínio Marco de, additional, Silva, Weber Cláudio Francisco Nunes da, additional, Figueiredo, David Livingstone Alves, additional, Medeiros, Rodolfo de Oliveira, additional, and Castro, Rosane Michelli de, additional
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- 2022
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25. EDUCAÇÃO E ENSINO EM DIFERENTES CONTEXTOS
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Cruz, Júlio César Gonçalves da, primary, Ugaya, Andresa de Souza, additional, Hunger, Dagmar Aparecida Cynthia França, additional, Jr, Abrão José Melhem, additional, Figueiredo, David Livingstone Alves, additional, Toni, Plínio Marco De, additional, Soares, Tânia Aparecida, additional, Serafim, Andrea Bier, additional, Mascia, Marcia Aparecida Amador, additional, Nunes, Gabriele Obersteiner Scheibler, additional, Antonio, Jamile Rosane Zanette, additional, Andrade, Francielle Aparecida Garuti de, additional, Alves, Clarice Vaz Peres, additional, Yurgel, Cynthia Luz, additional, Dariz, Marion Rodrigues, additional, Nogueira, Marta Alexandra Gonçalves, additional, Santana, Jorge, additional, Santos, Paloma Matos dos, additional, Zanotelli, Lilian Gazzoli, additional, Miranda, Ana Telma da Silva, additional, Gomes, Crystian Moraes Silva, additional, Fernandes, Isabella Desimone, additional, Pechliye, Magda Medhat, additional, Chaves, Marcos Machado, additional, Colin, Patrícia Salge Lessa, additional, Moraes, Marina Chaves, additional, Sehnem, Paulo Roberto, additional, Nardes, Wellington, additional, Pereira, Indiamaris, additional, Braga, Priscila, additional, Pinheiro, Rita de Cássia Araújo, additional, Portal, Karina Nayara Rego, additional, Junior, Washington Luiz Pedrosa da Silva, additional, Oliveira, Ivanilde Apoluceno de, additional, Moreira, Miguel Lacerda, additional, Ferreira, Giovanne Tavares, additional, Oliveira, Aldeni Melo de, additional, Pereira, Karina de Rossi Leocadio, additional, Rego, Maria Angélica, additional, Nepomuceno, Raquel de Sousa, additional, Matos, Luísa Silva de, additional, Dias, Priscila da Rosa Lescano, additional, Silva, Jeane Morlas, additional, Todaro, Mônica de Ávila, additional, Sobrinho, Celso Flores Pacífico, additional, Farias, Naiara da Silva, additional, Xavier, Érico Tadeu, additional, d’Alessandro, Rafael Dantas, additional, Dellalibera-Joviliano, Renata, additional, Silva, Antonia Eneide de Lima, additional, Azevedo, Lucy Ferreira, additional, Ribeiro, Andréa Lourdes, additional, Silva, Carla Renata Capilé, additional, Dan, Cristiane de Sá, additional, Canhete, Reginaldo da Silva, additional, Silva, Maria Luzinete Rodrigues da, additional, Miranda, Magali Barcelos, additional, Bethoven, Henrique Barbosa, additional, Simões, Letícia Seidel, additional, Ribeiro, Thamires da Silva, additional, Santos, Thauany Silva, additional, Urbano, Victor Roberto do Amaral, additional, Salgueiro, Marcia Maria H. de A. de O., additional, Cardoso, Maria Hermínia Cantanhede Coelho, additional, and Beltrão, Márcio Evaristo, additional
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- 2022
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26. PCR-Sequencing Approaches to Assess Informative Mutations in SARS-Cov-2 Spike (S) and ORF7, ORF8 and N Genes Characterizing Variants of Concern and Variants of Interest
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Vitiello, Glauco Akelinghton Freire, primary, Oliveira, Isabela Medeiros, additional, Ivanski, Fernanda, additional, Fermino, Bárbara Luisa, additional, Gustani-Buss, Emanuele Cristina, additional, Bezerra, Rafael dos Santos, additional, Buss, Carlos Eduardo, additional, Ximenez, João Paulo Bianchi, additional, Paz, Bárbara Mendes, additional, Gabriel, Katiuscia de Oliveira Francisco, additional, Biaggi, Carlos Alberto Oliveira, additional, Consortium, Omics working group NAPI Genomics, additional, Silva, Daiane Priscila Simão, additional, Carraro, Emerson, additional, Peronni, Kamila Chagas, additional, Figueiredo, David Livingstone Alves, additional, and Silva, Wilson Araujo, additional
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- 2021
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27. IMPACTO DA ATIVIDADE FÍSICA NA QUALIDADE DE VIDA E SOBREVIDA DE IDOSOS COM CÂNCER: UMA REVISÃO SISTEMÁTICA
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Melhem, Abrão José Jr, primary, Cordeiro, Gabriel Ribeiro, additional, Mascarenhas, Luis Paulo Gomes, additional, and Figueiredo, David Livingstone Alves, additional
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- 2021
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28. Expression of cancer-testis antigens MAGE-A4 and MAGE-C1 in oral squamous cell carcinoma†‡
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Montoro, José Raphael de Moura Campos, Mamede, Rui Celso Martins, Neder Serafini, Luciano, Saggioro, Fabiano Pinto, Figueiredo, David Livingstone Alves, Silva, Wilson Araújo da, Jr, Jungbluth, Achim A., Spagnoli, Giulio Cesare, and Zago, Marco Antônio
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- 2012
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29. Mortality Predictors for 221,414 COVID-19 Cases: The Role of Socio-Demographic Factors, Symptoms, and Comorbidities in a Brazilian State-Wide Landscape
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Gustani-Buss, Emanuele Cristina, primary, Buss, Carlos Eduardo, additional, Cavalli, Luciane R., additional, Panis, Carolina, additional, Tuon, Felipe Francisco, additional, Telles, João Paulo, additional, Follador, Franciele Aní Caovilla, additional, Welter Wendt, Guilherme, additional, Lucio, Léia Carolina, additional, Defante Ferreto, Lirane Elize, additional, de Oliveira, Isabela Medeiros, additional, Carraro, Emerson, additional, de David, Lualis, additional, Simão, Andréa Name Colado, additional, Boldt, Angelica Beate Winter, additional, Petzl-Erler, Maria Luiza, additional, Silva Jr, Wilson Araujo, additional, and Figueiredo, David Livingstone Alves, additional
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- 2021
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30. Association of supraclavicular fasciocutaneous flap and pectoralis major myocutaneous flap for face reconstruction after excision of invasive squamous-cell carcinoma
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Oliveira, Isabela Medeiros de, primary, Figueiredo, Felipe Nathan da Silva, additional, Chao, Barbara Mendes Paz, additional, Garcia, Antonio Marcos Cabrera, additional, and Figueiredo, David Livingstone Alves, additional
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- 2021
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31. COVID-19: The question of genetic diversity and therapeutic intervention approaches
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Figueiredo, David Livingstone Alves, primary, Ximenez, João Paulo Bianchi, additional, Seiva, Fábio Rodrigues Ferreira, additional, Panis, Carolina, additional, Bezerra, Rafael dos Santos, additional, Ferrasa, Adriano, additional, Cecchini, Alessandra Lourenço, additional, Medeiros, Alexandra Ivo de, additional, Almeida, Ana Marisa Fusco, additional, Ramão, Anelisa, additional, Boldt, Angelica Beate Winter, additional, Moya, Carla Fredrichsen, additional, Chin, Chung Man, additional, Paula, Daniel de, additional, Rech, Daniel, additional, Gradia, Daniela Fiori, additional, Malheiros, Danielle, additional, Venturini, Danielle, additional, Tavares, Eliandro Reis, additional, Carraro, Emerson, additional, Ribeiro, Enilze Maria de Souza Fonseca, additional, Pereira, Evani Marques, additional, Tuon, Felipe Francisco, additional, Follador, Franciele Aní Caovilla, additional, Fernandes, Glaura Scantamburlo Alves, additional, Volpato, Hélito, additional, Cólus, Ilce Mara de Syllos, additional, Oliveira, Jaqueline Carvalho de, additional, Rodrigues, Jean Henrique da Silva, additional, Santos, Jean Leandro dos, additional, Visentainer, Jeane Eliete Laguila, additional, Brandi, Juliana Cristina, additional, Serpeloni, Juliana Mara, additional, Bonini, Juliana Sartori, additional, Oliveira, Karen Brajão de, additional, Fiorentin, Karine, additional, Lucio, Léia Carolina, additional, Faccin-Galhardi, Ligia Carla, additional, Ferreto, Lirane Elize Defante, additional, Lioni, Lucy Megumi Yamauchi, additional, Consolaro, Marcia Edilaine Lopes, additional, Vicari, Marcelo Ricardo, additional, Arbex, Marcos Abdo, additional, Pileggi, Marcos, additional, Watanabe, Maria Angelica Ehara, additional, Costa, Maria Antônia Ramos, additional, Giannini, Maria José S. Mendes, additional, Amarante, Marla Karine, additional, Khalil, Najeh Maissar, additional, Lima Neto, Quirino Alves de, additional, Herai, Roberto H., additional, Guembarovski, Roberta Losi, additional, Shinsato, Rogério N., additional, Mainardes, Rubiana Mara, additional, Giuliatti, Silvana, additional, Yamada-Ogatta, Sueli Fumie, additional, Gerber, Viviane Knuppel de Quadros, additional, Pavanelli, Wander Rogério, additional, Silva, Weber Claudio da, additional, Petzl-Erler, Maria Luiza, additional, Valente, Valeria, additional, Soares, Christiane Pienna, additional, Cavalli, Luciane Regina, additional, and Silva Jr, Wilson Araujo, additional
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- 2021
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32. Expression of mage-A4 and mage-C1 tumor-associated antigen in benign and malignant thyroid diseases
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Melo, Daniel Hardy, Mamede, Rui Celso Martins, Neder, Luciano, Saggioro, Fabiano Pinto, Figueiredo, David Livingstone Alves, da Silva, Wilson Araújo, Jr, Jungbluth, Achim A., and Zago, Marco Antônio
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- 2011
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33. Expression of cancer/testis antigens MAGE-A, MAGE-C1, GAGE and CTAG1B in benign and malignant thyroid diseases
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Melo, Daniel Hardy, Mamede, Rui Celso Martins, Neder, Luciano, Silva, Wilson Araújo, Barros-Filho, Mateus Camargo, Kowalski, Luiz Paulo, Pinto, Clóvis Antonio Lopes, Zago, Marco Antônio, Figueiredo, David Livingstone Alves, and Jungbluth, Achim A.
- Subjects
endocrine system ,biological tumor markers ,thyroid neoplasms ,thyroid nodule ,immunohistochemistry ,Articles - Abstract
Despite considerable advances in the understanding of thyroid gland biology, correctly diagnosing thyroid nodules and treating high-grade thyroid carcinoma remains challenging. Cancer/testis (CT) antigens have emerged as potential diagnostic tools as well as targets of potential cancer vaccinations. In the present study, a total of 117 patients who underwent surgical therapy for thyroid disease were available for analysis. The expression levels of melanoma-associated antigen (MAGE) A, MAGE-C1/CT7, cancer/testis antigen 1B (CTAG1B) and G antigen (GAGE) were analyzed by immunohistochemistry. None of the CT antigens were expressed in the normal thyroid or goiter. In papillary and follicular carcinoma, MAGE-A was present in 8.1% of cases, GAGE in 10.8% and CT/7MAGE-C1 and CTAG1B in 2.7% each. In medullary carcinoma, CT antigen expression was as follows: MAGE-A in 42.9% of patients; MAGE-C1/CT7 in 46.5%; GAGE in 92.9%; and CTAG1B in 3.6%. A statistically significant association was observed between the expression of G MAGE-C1/CT7 and patient gender as well as patient clinical stage (P=0.029 and 0.031, respectively). In poorly differentiated and anaplastic carcinoma cases, CT antigen expression was as follows: MAGE-A in 61.8% of cases; MAGE-C1 in 57.1%; GAGE in 66.7%; and CTAG1B in 14.4%. There was a statistically significant association between expression of GAGE and gender (P=0.043). However, there was no association between CT antigen expression and patient survival in any of the tumor entities analyzed. The current study identified a distinct expression pattern of CT antigens in malignant thyroid tumors indicating that CT antigens have the potential to outperform existing thyroid cancer biomarkers. The prevalence of CT antigens in high-grade carcinomas suggests that they serve an important biological role within malignant tumors.
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- 2017
34. Microbiome and oral squamous cell carcinoma: a possible interplay on iron metabolism and its impact on tumor microenvironment.
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Arthur, Rodrigo Alex, dos Santos Bezerra, Rafael, Ximenez, João Paulo Bianchi, Merlin, Bruna Laís, de Andrade Morraye, Raphael, Neto, João Valentini, Fava, Natália Melo Nasser, Figueiredo, David Livingstone Alves, de Biagi Jr, Carlos Alberto Oliveira, Montibeller, Maria Jara, Guimarães, Jhefferson Barbosa, Alves, Ellen Gomes, Schreiner, Monique, da Costa, Tiago Silva, da Silva, Charlie Felipe Liberati, Malheiros, Jessica Moraes, da Silva, Luan Henrique Burda, Ribas, Guilherme Taborda, Achallma, Daisy Obispo, and Braga, Camila Margalho
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- 2021
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35. HPV e câncer de cabeça e pescoço: desenvolvimento de um aplicativo para adolescentes
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Rodrigues, Alcir Humberto, primary, Brek, Elaine Fátima, additional, Valenga, Flavia, additional, Anjos, Cleverson Sebastião dos, additional, Estevam Junior, Valter Luís, additional, Figueiredo, David Livingstone Alves, additional, and Fujinaga, Cristina Ide, additional
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- 2019
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36. Larynx cancer: search for molecular markers
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Figueiredo, David Livingstone Alves, primary, Chao, Bárbara Mendes Paz, additional, and Figueiredo, Felipe Nathan da Silva, additional
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- 2019
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37. Short telomere length in peripheral blood leukocytes in head and neck cancer: Findings in a Brazilian cohort
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Alves-Paiva, Raquel M, primary, Gutierrez-Rodrigues, Fernanda, additional, Pereira-Martins, Diego A, additional, Figueiredo, David Livingstone Alves, additional, Clé, Diego V, additional, Conti-Freitas, Luís Carlos, additional, Mamede, Rui Celso Martins, additional, and Calado, Rodrigo T, additional
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- 2018
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38. Molecular Classification of Thyroid Nodules with Indeterminate Cytology: Development and Validation of a Highly Sensitive and Specific New miRNA-Based Classifier Test Using Fine-Needle Aspiration Smear Slides
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Santos, Marcos Tadeu dos, primary, Buzolin, Ana Lígia, additional, Gama, Ricardo Ribeiro, additional, Silva, Eduardo Caetano Albino da, additional, Dufloth, Rozany Mucha, additional, Figueiredo, David Livingstone Alves, additional, and Carvalho, André Lopes, additional
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- 2018
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39. QUALIDADE DE VIDA, MARCADORES INFLAMATÓRIOS E BIOQUÍMICOS DE PACIENTES ONCOLÓGICOS EM TRATAMENTO QUIMIOTERÁPICO: SÉRIE DE CASOS
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AMARAL, Luane Aparecida, primary, SCHIESSEL, Dalton Luiz, additional, FIGUEIREDO, David Livingstone Alves, additional, GAVARROTE, Diogo Dequech, additional, SCHWARZ, Kélin, additional, VICENTE, Mariana Abe, additional, and FREIRE, Priscila Lumi Ishii, additional
- Published
- 2018
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40. SAÚDE ITINERANTE NOS CENTROS MUNICIPAIS DE EDUCAÇÃO INFANTIL DO MUNICÍPIO DE GUARAPUAVA - PR; OS DESAFIOS DA PROMOÇÃO DA SAÚDE EM CRIANÇAS EXPOSTAS A DOENÇAS PARASITÁRIAS
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Auler, Marcos Ereno, primary, Campos, Laís De Almeida, additional, Horst, Jacqueline Aparecida Eidam, additional, Santos, Taize Branco dos, additional, Miyahara, Carine Teles Sangaleti, additional, Paula, Claudete Rodrigues, additional, Ruiz, Luciana Da Silva, additional, Gandra, Rinaldo Ferreira, additional, and Figueiredo, David Livingstone Alves, additional
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- 2018
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41. Gene expression analysis of laryngeal squamous cell carcinoma
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Plaça, Jessica Rodrigues, Bueno, Rafaela de Barros e Lima, Pinheiro, Daniel Guariz, Panepucci, Rodrigo Alexandre, de Araújo, Luiza Ferreira, Mamede, Rui Celso Martins, Figueiredo, David Livingstone Alves, and Silva, Wilson Araújo, Jr
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- 2015
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42. Short telomere length in peripheral blood leukocytes in head and neck cancer: Findings in a Brazilian cohort.
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Alves‐Paiva, Raquel M, Gutierrez‐Rodrigues, Fernanda, Pereira‐Martins, Diego A, Figueiredo, David Livingstone Alves, Clé, Diego V, Conti‐Freitas, Luís Carlos, Mamede, Rui Celso Martins, and Calado, Rodrigo T
- Subjects
HEAD & neck cancer - Abstract
Background: Telomeres are specialized DNA structures that are critical to maintain cell homeostasis and to avoid genomic instability. Epidemiological studies have examined the association between leukocyte telomere length (LTL) and risk of cancers, but the findings remain conflicting. Methods: Mean LTL was measured by quantitative PCR in 97 patients with head and neck cancer (HNC) and 262 healthy controls. The association between LTL and patients' clinical status, such as smoke, alcoholism, and overall survival, were also evaluated. Results: The age‐adjusted LTL was significantly shorter in patients with HNC in comparison to healthy controls (P = .0003). Patients with shortest LTL had an increased risk to develop HNC (P < 0.0001). No significant correlation was observed between LTL and patients' clinical features and personal habits. Conclusions: Our data support the hypothesis that LTL is a risk factor for HNC. The use of LTL as a biomarker can help physicians to identify high‐risk individuals for HNC. [ABSTRACT FROM AUTHOR]
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- 2019
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43. HOX genes: potential candidates for the progression of laryngeal squamous cell carcinoma
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de Barros e Lima Bueno, Rafaela, primary, Ramão, Anelisa, additional, Pinheiro, Daniel Guariz, additional, Alves, Cleidson Padua, additional, Kannen, Vinicius, additional, Jungbluth, Achim A, additional, de Araújo, Luiza Ferreira, additional, Muys, Bruna Rodrigues, additional, Fonseca, Aline Simoneti, additional, Plaça, Jessica Rodrigues, additional, Panepucci, Rodrigo Alexandre, additional, Neder, Luciano, additional, Saggioro, Fabiano P, additional, Mamede, Rui Celso M., additional, Figueiredo, David Livingstone Alves, additional, and Silva, Wilson Araújo, additional
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- 2016
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44. Assessment of MLL methyltransferase gene expression in larynx carcinoma
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FIGUEIREDO, DAVID LIVINGSTONE ALVES, primary, RABELLO, DORALINA DO AMARAL, additional, ZANETTE, DALILA LUCIOLA, additional, SAGGIORO, FABIANO PINTO, additional, MAMEDE, RUI CELSO MARTINS, additional, ZAGO, MARCO ANTONIO, additional, DA SILVA, WILSON ARAÚJO, additional, SALDANHA-ARAÚJO, FELIPE, additional, and SILVA, FABIO PITTELLA, additional
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- 2015
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45. Blindness after laryngectomy and bilateral neck dissection in a diabetic patient: case report
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Mamede, Rui Celso Martins, Figueiredo, David Livingstone Alves, and Mamede, Fabrício Villela
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Complicações dos Diabetes Mellitus ,Complicações dos Esvaziamentos Cervicais ,Complications of Diabetes Mellitus ,Amaurose ,Complications of neck dissection ,Neck dissection ,Blindness ,Esvaziamento Cervical - Abstract
CONTEXT: Neck dissection that accompanies resection of the primary lesion in malignant tumors of the upper aerodigestive tracts may cause complications inherent to the procedure or to prolongation of surgical time, increasing the risks for the patient. Among the complications that might occur is blindness, a rare complication with only 10 cases reported in the literature thus far. OBJECTIVE: To present the case of a diabetic patient submitted to total laryngectomy and modified and selective neck dissection that resulted in blindness. CASE REPORT: The authors report on a patient submitted to total laryngectomy and selective neck dissection on the left side, and modified radical neck dissection on the right, who developed blindness. This was probably due to intraoperative hypotension plus the contribution of decompensated diabetes mellitus and thrombosis of the internal jugular vein on the right side. The possible causes, risk factors and care to be taken to prevent this rare but highly debilitating complication are discussed. CONTEXTO: O esvaziamento cervical que acompanha a ressecção da lesão primária no tratamento dos tumores malignos das vias aerodigestivas superiores possibilita o surgimento de complicações inerentes a ela ou ao prolongamento do tempo cirúrgico, aumentando os riscos para o paciente. Entre as complicações que podem ocorrer está a amaurose, de incidência rara. RELATO DO CASO: Um paciente submetido a laringectomia total e esvaziamento cervical seletivo à esquerda e radical modificado à direita, que evoluiu com amaurose, provavelmente decorrente de hipotensão intra-operatória, com contribuição dos Diabetes Mellitus descompensado e trombose da veia jugular interna à direita. Discutem as possíveis causas, os fatores de risco e os cuidados que devem ser tomados para evitar essa rara, mas tão debilitante complicação.
- Published
- 2001
46. Expression of cancer‐testis antigens MAGE‐A4 and MAGE‐C1 in oral squamous cell carcinoma
- Author
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Montoro, José Raphael de Moura Campos, primary, Mamede, Rui Celso Martins, additional, Neder Serafini, Luciano, additional, Saggioro, Fabiano Pinto, additional, Figueiredo, David Livingstone Alves, additional, Silva, Wilson Araújo da, additional, Jungbluth, Achim A., additional, Spagnoli, Giulio Cesare, additional, and Zago, Marco Antônio, additional
- Published
- 2011
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47. Blindness after laryngectomy and bilateral neck dissection in a diabetic patient: case report
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Mamede, Rui Celso Martins, primary, Figueiredo, David Livingstone Alves, additional, and Mamede, Fabrício Villela, additional
- Published
- 2001
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48. Human papillomavirus prevalence in squamous cell carcinoma of oral cavity and correlation with clinical and hispotalógicos data
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PAZ, BÁRBARA MENDES and Figueiredo, David Livingstone Alves
- Subjects
Human papillomavirus ,Câncer de cavidade oral ,Câncer de boca ,Oral cavity cancer ,Papilomavírus humano ,mouth cancer ,FARMACIA [CIENCIAS DA SAUDE] - Abstract
Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2017-06-09T12:40:16Z No. of bitstreams: 1 BÁRBARA MENDES PAZ.pdf: 888016 bytes, checksum: 06383e8d053434c9e4318cb0837a86ad (MD5) Made available in DSpace on 2017-06-09T12:40:16Z (GMT). No. of bitstreams: 1 BÁRBARA MENDES PAZ.pdf: 888016 bytes, checksum: 06383e8d053434c9e4318cb0837a86ad (MD5) Previous issue date: 2016-08-30 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES The survival rate of the oral cancer are estimated at about 40% to 50% and is closely related to clinical staging. Tabacco and alcohol consumption are known carcinogenic factors. HPV is strongly associated with oropharyngeal cancer development. Your relation with cancers of the oral cavity has been studied. In this study we analyzed the HPV prevalence in oral cavity tumors and its correlation with clinical and histopathologic data. Methods: 49 cases squamous cell carcinoma of the oral cavity were included in this study. The detection of HPV DNA was made by polymerase chain reaction (PCR) using the primers set MY09 / MY11 and GP6 / GP5. All samples were correlated with clinical and histopathologic data. Results: The HPV prevalence of epidermoid carcinoma of the oral cavity was 54% (25 Patients). There was no significant difference between patients HPV positive and negative in relation to age, sex, smoking and alcohol consumption, staging and lymph node metastasis. 32% (n = 15) of patients were diagnosed in early stage (T1 and T2), and 67.4% (n = 31) were diagnosed in advanced stage (T3-T4). Recurrences were associated with a worse prognosis and were common tumors in HPV negative advanced stage (p=0.04). However, the survival rate was better in patients negative HPV (p=0,026). Conclusion: Clinical factors: recurrence, second primary tumor and distant metastases had a negative impact on overall survival. The correlation of HPV positive tumors with clinical and histopathologic data was statistically significant. as overall survival, which was higher in HPV negative tumors. Among advanced tumor stages (ECIII and stage IV) recurrences were more frequent in HPV-negative tumors. A taxa de sobrevida associada ao câncer oral é estimada em aproximadamente 40% a 50%, e está intimamente relacionada com estadiamento clínico. Tabaco e etilismo são fatores reconhecidamente carcinogênicos. O HPV é reconhecidamente associado ao desenvolvimento de câncer de orofaringe. A sua relação com os cânceres da cavidade oral tem sido estudada. Neste estudo analisamos a prevalência de HPV em tumores de cavidade oral e sua correlação com dados clínicos e histopatológicos. Metodologia: 49 casos de carcinoma epidermóide de cavidade oral foram incluídos neste estudo. A detecção do DNA do HPV foi feita por reação em cadeia da polimerase (PCR) com o conjunto de primers MY09/MY11 e GP6/GP5. Todas as amostras foram correlacionadas com dados clínicos e histopatológicos. Resultados: A prevalência do HPV no carcinoma epidermóide de cavidade oral foi de 54% (25 pacientes). Não houve diferença significativa entre os pacientes HPV positivos e negativos em relação à idade, sexo, tabagismo e consumo de álcool, estadiamento e metástase linfonodal. Quanto ao estadiamento, 32% (n=15) dos pacientes foram diagnosticados em estadio inicial (ECI e ECII), e 67,4% (n=31) foram diagnosticados no estadio avançado (ECIII-IV). Recidivas foram associadas a um pior prognóstico e foram frequentes em tumores HPV negativo estadio avançado (p=0,04). Contudo a sobrevida foi melhor em pacientes HPV negativo (0,026). Conclusão: Os fatores clínicos: recidiva, segundo tumor primário e metástases à distância tiveram impacto negativo na sobrevida geral. A correlação dos tumores HPV positivo com os dados clínicos e histopatológicos mostrou-se estatisticamente significante. quanto a sobrevida global, que foi maior em tumores HPV negativos. Entre tumores estadios avançado (ECIII e EC IV) as recidivas foram mais frequentes em tumores HPV negativos.
- Published
- 2016
49. Expression of HOXC8 and HOXD10 antigens in Laryngeal Squamous Cell Carcinoma: immunohistochemical analysis
- Author
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Musial, João Frederico and Figueiredo, David Livingstone Alves
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Genes HOX ,Imuno-histoquímica ,larynx cancer ,Câncer de laringe ,HOX genes ,Immunohistochemistry ,FARMACIA [CIENCIAS DA SAUDE] - Abstract
Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2017-06-06T17:01:09Z No. of bitstreams: 1 João Frederico Musial.pdf: 1876492 bytes, checksum: 6c1e9f2512c46ffce57eee65bed1116c (MD5) Made available in DSpace on 2017-06-06T17:01:09Z (GMT). No. of bitstreams: 1 João Frederico Musial.pdf: 1876492 bytes, checksum: 6c1e9f2512c46ffce57eee65bed1116c (MD5) Previous issue date: 2015-08-26 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES The cancer is currently the second leading cause of death worldwide. The head and neck cancer (HNC) is the sixth most common type with some 300 thousand deaths per year. Among the HNC laryngeal squamous cell carcinoma (LSCC) is the second most frequent. Despite advances in laryngology the survival rate remains stationary for more than three decades. Based on this the researchers seek markers that can serve as prognostic factors. OBJECTIVES: To analyze the expression of HOXD10 and HoxC8 antigens in LSCC and correlate with the clinical and pathological characteristics with the survival rates. CASUISTIC AND METHODS: We analyzed 32 patients diagnosed with LSCC, 16 initial and 16 in advanced state. For each case we selected the paraffin block with the tumor tissue, and the cuts submitted to immunohistochemical reactions with the Anti-HOXC8 and Anti-HOXD10 antibodies (Abcam). RESULTS: A total of 90.6% of the cases were expressed to HOXD10 and 9.4% for HOXC8. No significant clinical-pathological relationship when the intensity of positivity and markings Correlation of survival in the presence X absence of metastasis and / or recurrence was significant (p = 0.016) as well as X in the presence absence of lymph node involvement (p = 0.012 ). DISCUSSION: In the literature shows variable expression levels in different tumors. Our results showed a high expression of HOXD10 in CECL. Some authors relate their expression with proliferation, which reinforces its role in carcinogenesis. Our findings regarding the HOXC8 show expression levels lower than reported in other tumors. This is the first study to analysis by IHC in the HoxC8 CECL. CONCLUSION: Based on these results, it is concluded that the HOXD10 gene is highly expressed in CECL, as well as the data reinforce the impact of metastasis and / or recurrence and lymph node involvement in patients' survival. Further studies are needed to better understanding of the expression of these antigens in CECL. INTRODUÇÃO: O câncer é atualmente a segunda maior causa de morte no mundo. O câncer de cabeça e pescoço (CCP) é o sexto tipo mais comum com certa de 300 mil mortes por ano. Entre os CCP o carcinoma espinocelular laringe (CECL) é o segundo mais frequente. Apesar dos avanços em laringologia, a sobrevida se mantém estagnada a mais de três décadas. Com base nisso os pesquisadores procuram marcadores que possam servir como fatores prognósticos. OBJETIVOS: Analisar a expressão dos antígenos HOXD10 e HOXC8 em CECL e correlaciona-los com características clínico-patológicas e de sobrevida. CASUÍSTICA E MÉTODOS: Foram analisados 32 pacientes diagnosticados com CECL, sendo 16 inicias e 16 avançados. Para cada caso foi selecionado o bloco parafinizado com o tecido tumoral, sendo os cortes submetidos a reações de imuno-histoquímica com os anticorpos Anti-HOXC8 e Anti-HOXD10 (Abcam). RESULTADOS: Em um total de 90,6% dos casos foram expressos para HOXD10 e 9,4% para o HOXC8. Não foi significante as relações clinico-patológicas quando a positividade e intensidade das marcações A correlação da sobrevida em presença X ausência de metástase e/ou recidiva foi significativa (p=0,016), como também na presença X ausência de acometimento linfonodal (p=0,012). DISCUSSÃO: A literatura mostra níveis de expressão variável em diferentes tumores. Nossos resultados demonstram uma alta expressão de HOXD10 em CECL. Alguns autores relacionam a sua expressão com proliferação, o que reforça o seu papel na carcinogênese. Nossos achados em relação ao HOXC8 evidenciam níveis de expressão menor que o relatado em outros tumores. Este é o primeiro estudo em relação a análise por IHQ do HOXC8 em CECL. CONCLUSÃO: Com base nos resultados obtidos, conclui-se que o gene HOXD10 está altamente expresso em CECL, como também os dados reforçam o impacto da metástase e/ou recidiva e do acometimento linfonodal na sobrevida dos pacientes. Novos estudos são necessários para maior entendimento da expressão desses antígenos em CECL.
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- 2015
50. COVID-19: The question of genetic diversity and therapeutic intervention approaches.
- Author
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Figueiredo DLA, Ximenez JPB, Seiva FRF, Panis C, Bezerra RDS, Ferrasa A, Cecchini AL, Medeiros AI, Almeida AMF, Ramão A, Boldt ABW, Moya CF, Chin CM, Paula D, Rech D, Gradia DF, Malheiros D, Venturini D, Tavares ER, Carraro E, Ribeiro EMSF, Pereira EM, Tuon FF, Follador FAC, Fernandes GSA, Volpato H, Cólus IMS, Oliveira JC, Rodrigues JHDS, Santos JLD, Visentainer JEL, Brandi JC, Serpeloni JM, Bonini JS, Oliveira KB, Fiorentin K, Lucio LC, Faccin-Galhardi LC, Ferreto LED, Lioni LMY, Consolaro MEL, Vicari MR, Arbex MA, Pileggi M, Watanabe MAE, Costa MAR, Giannini MJSM, Amarante MK, Khalil NM, Lima Neto QA, Herai RH, Guembarovski RL, Shinsato RN, Mainardes RM, Giuliatti S, Yamada-Ogatta SF, Gerber VKQ, Pavanelli WR, Silva WCD, Petzl-Erler ML, Valente V, Soares CP, Cavalli LR, and Silva WA Jr
- Abstract
Coronavirus disease 2019 (COVID-19), caused by the Severe Acute Respiratory Syndrome Coronavirus type 2 (SARS-CoV-2), is the largest pandemic in modern history with very high infection rates and considerable mortality. The disease, which emerged in China's Wuhan province, had its first reported case on December 29, 2019, and spread rapidly worldwide. On March 11, 2020, the World Health Organization (WHO) declared the COVID-19 outbreak a pandemic and global health emergency. Since the outbreak, efforts to develop COVID-19 vaccines, engineer new drugs, and evaluate existing ones for drug repurposing have been intensively undertaken to find ways to control this pandemic. COVID-19 therapeutic strategies aim to impair molecular pathways involved in the virus entrance and replication or interfere in the patients' overreaction and immunopathology. Moreover, nanotechnology could be an approach to boost the activity of new drugs. Several COVID-19 vaccine candidates have received emergency-use or full authorization in one or more countries, and others are being developed and tested. This review assesses the different strategies currently proposed to control COVID-19 and the issues or limitations imposed on some approaches by the human and viral genetic variability.
- Published
- 2022
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