Navegação Ciências Biológicas por Título

Resultados 363-382 de 3044

    • Bradykinin promotes neuron-generating division of neural progenitor cells through ERK activation 

      Pillat, Micheli Mainardi; Lameu, Claudiana; Trujillo, Cleber A.; Glaser, Talita; Cappellari, Angélica Regina; Negraes, Priscilla D.; Battastini, Ana Maria Oliveira; Schwindt, Telma T.; Muotri, Alysson Renato; Ulrich, Henning (2016) [Artigo de periódico]
      During brain development, cells proliferate, migrate and differentiate in highly accurate patterns. In this context, published results indicate that bradykinin functions in neural fate determination, favoring neurogenesis ...

    • Bradyrhizobium elkanii nod regulon: insights through genomic analysis 

      Passaglia, Luciane Maria Pereira (2017) [Artigo de periódico]
      A successful symbiotic relationship between soybean [Glycine max (L.) Merr.] and Bradyrhizobium species requires expression of the bacterial structural nod genes that encode for the synthesis of lipochitooligosaccharide ...

    • Brain-derived neurotrophic factor gene val66met polymorphism and executive functioning in patients with bipolar disorder 

      Tramontina, Juliana Fernandes; Yates, Denise Balem; Magalhães, Pedro Vieira da Silva; Trentini, Clarissa Marceli; Kauer-Sant'Anna, Márcia; Fries, Gabriel Rodrigo; Bock, Hugo; Pereira, Maria Luiza Saraiva; Kapczinski, Flávio Pereira (2009) [Artigo de periódico]
      OBJECTIVE: In the present study, we investigate the association between the val66met polymorphism of the brain-derived neurotrophic factor (BNDF) and the performance on the Wisconsin Card Sorting Test in a sample of Caucasian ...

    • Brain injury markers (S100B and NSE) in chronic cocaine dependents 

      Kessler, Felix Henrique Paim; Woody, George; Portela, Luis Valmor Cruz; Tort, Adriano Bretanha Lopes; De Boni, Raquel Brandini; Peuker, Ana Carolina Wolf Baldino; Genro, Vanessa Krebs; Diemen, Lisia von; Souza, Diogo Onofre Gomes de; Pechansky, Flavio (2007) [Artigo de periódico]
      Objetivo: Estudos têm demonstrado sinais de lesão cerebral causadas por diferentes mecanismos em usuários de cocaína. A enolase sérica neurônio-específica e a proteína S100B são consideradas marcadores bioquímicos específicos ...

    • Brain ischemia alters platelet ATP disphosphohydrolase and 5'-nucleotidase activities in naive and preconditioned rats 

      Frasseto, Silvana Soriano; Schetinger, Maria Rosa Chitolina; Schierholt, Rejane Cristina; Webber, Analupe; Bonan, Carla Denise; Wyse, Angela Terezinha de Souza; Dias, Renato Dutra; Netto, Carlos Alexandre; Sarkis, João José Freitas (2000) [Artigo de periódico]
      The effects of transient forebrain ischemia, reperfusion and ischemic preconditioning on rat blood platelet ATP diphosphohydrolase and 5'- nucleotidase activities were evaluated. Adult Wistar rats were submitted to 2 or ...

    • Brain maturation, cognition and voice pattern in a gender dysphoria case under pubertal suppression 

      Schneider, Maiko Abel; Spritzer, Poli Mara; Soll, Bianca Machado Borba; Fontanari, Anna Martha Vaitses; Monteiro, Marina Carneiro; Tovar-Moll, Fernanda Freire; Costa, Angelo Brandelli; Silva, Dhiordan Cardoso da; Schwarz, Karine; Anés, Maurício; Tramontina, Silzá; Lobato, Maria Inês Rodrigues (2016) [Artigo de periódico]
      Introduction: Gender dysphoria (GD) (DMS-5) is a condition marked by increasing psychological suffering that accompanies the incongruence between one’s experienced or expressed gender and one’s assigned gender. Manifestation ...

    • Brain zinc chelation by diethyldithiocarbamate increased the behavioral and mitochondrial damages in zebrafish subjected to hypoxia 

      Braga, Marcos Martins; Silva, Emerson Santos da; Moraes, Tarsila Barros; Schirmbeck, Gabriel Henrique; Rico, Eduardo Pacheco; Pinto, Charles Budaszewski; Rosemberg, Denis Broock; Dutra Filho, Carlos Severo; Dias, Renato Dutra; Oliveira, Diogo Losch de; Rocha, Joao Batista Teixeira da; Souza, Diogo Onofre Gomes de (2016) [Artigo de periódico]
      The increase in brain levels of chelatable zinc (Zn) in dysfunctions involving oxygen deprivation has stimulated the treatment with Zn chelators, such as diethyldithiocarbamate (DEDTC). However, DEDTC is a redox-active ...

    • A brazilian glycoprotein E-negative bovine herpesvirus type 1.2a (BHV-1.2a) mutant is attenuated for cattle and induces protection against wild-type virus challenge 

      Spilki, Fernando Rosado; Franco, Ana Claudia; Lima, Marcelo; Esteves, Paulo Augusto; Weiblen, Rudi; Flores, Eduardo Furtado; Rijsewijk, Franciscus Antonius Maria; Roehe, Paulo Michel (2002) [Artigo de periódico]
      Em estudo prévio os autores reportaram a construção de um mutante do Vírus da Rinotraqueíte Infecciosa Bovina (IBR) ou Herpesvírus Bovino tipo 1.2a (BHV-1.2a), do qual foi deletado o gene que codifica a glicoproteina E. ...

    • Brazilian neurosciences research areas : a bibliometric analysis from 2006 to 2013 

      Hoppen, Natascha Helena Franz; Souza, Claudia Daniele de; Filippo, Daniela de; Vanz, Samile Andrea de Souza; Sanz Casado, Elias (2016) [Artigo de periódico]
      Bibliometrics is used to examine the different branches of Brazilian Neurosciences research, the annual advancement of specialization, and the relationship between scientific categories and author productivity through 9655 ...

    • Brazilian science between national and foreign journals : methodology for analyzing the production and impact in emerging scientific communities 

      Strehl, Leticia; Calabró, Luciana; Souza, Diogo Onofre Gomes de; Amaral, Livio (2016) [Artigo de periódico]
      In recent decades, we have observed an intensification of science, technology and innovation activities in Brazil. The increase in production of scientific papers indexed in international databases, however, has not been ...

    • Brazilian Society of Otology task force : Otosclerosis : evaluation and treatment 

      Silva, Vagner Antonio Rodrigues da; Pauna, Henrique Furlan; Lavinsky, Joel; Guimarães, Guilherme Corrêa; Abrahão, Nicolau Moreira; Massuda, Eduardo Tanaka; Vianna, Melissa Ferreira; Ikino, Claudio Marcio Yudi; Santos, Vanessa Mazanek; Polanski, José Fernando; Silva, Maurício Noschang Lopes da; Sampaio, André Luiz Lopes; Zanini, Raul Vitor Rossi; Lourençone, Luiz Fernando Manzoni; Denaro, Mariana Moreira de Castro; Calil, Daniela Bortoloti; Chone, Carlos Takahiro; Castilho, Arthur Menino (2023) [Artigo de periódico]
      Objectives: To review and provide evidence-based recommendations for the diagnosis and treatment of otosclerosis. Methods: Task force members were educated on knowledge synthesis methods, including electronic database ...

    • Brazilian Society of Otology task force : Vestibular Schwannoma : evaluation and treatment 

      Silva, Vagner Antonio Rodrigues da; Lavinsky, Joel; Pauna, Henrique Furlan; Vianna, Melissa Ferreira; Santos, Vanessa Mazanek; Ikino, Claudio Marcio Yudi; Sampaio, André Luiz Lopes; Lopes, Paula Tardim; Lamounier, Pauliana; Maranhão, André Souza de Albuquerque; Soares, Vítor Yamashiro Rocha; Polanski, José Fernando; Denaro, Mariana Moreira de Castro; Chone, Carlos Takahiro; Bento, Ricardo Ferreira; Castilho, Arthur Menino (2023) [Artigo de periódico]
      Objective: To review the literature on the diagnosis and treatment of vestibular schwannoma. Methods: Task force members were educated on knowledge synthesis methods, including electronic database search, review and selection ...

    • Brazil launches an innovative program to develop the National Institutes for Science and Technology (INCTs) : the INCT for translational medicine 

      Kapczinski, Flávio Pereira; Hallak, Jaime Eduardo Cecilio; Nardi, Antonio Egidio; Roesler, Rafael; Quevedo, João Luciano de; Schroder, Nadja; Crippa, José Alexandre de Souza (2009) [Texto de apresentação/encerramento]

    • BRCA1 and BRCA2 mutational profile and prevalence in hereditary breast and ovarian cancer (HBOC) probands from Southern Brazil : are international testing criteria appropriate for this specific population? 

      Temes, Bárbara Alemar Beserra; Silva, Cleandra Gregório; Herzog, Josef; Bittar, Camila Matzenbacher; Netto, Cristina Brinckmann Oliveira; Artigalas, Osvaldo Alfonso Pinto; Schwartz, Ida Vanessa Doederlein; Coffa, Jordy; Camey, Suzi Alves; Weitzel, Jeffrey; Prolla, Patrícia Ashton (2017) [Artigo de periódico]
      Background Germline pathogenic variants in BRCA1 and BRCA2 (BRCA) are the main cause of Hereditary Breast and Ovarian Cancer syndrome (HBOC). Methods In this study we evaluated the mutational profile and prevalence of BRCA ...

    • BRCA1 and BRCA2 rearrahgements in brazilian individuals with hereditary breast and ovarian cancer syndrome 

      Ewald, Ingrid Petroni; Cossio, Silvia Liliana; Palmero, Edenir Inêz; Pinheiro, Manuela; Nascimento, Ivana Lucia de Oliveira; Machado, Taisa Manuela Bonfim; Sandes, Kiyoko Abé; Toralles, Betânia; Garicochea, Bernardo; Ribeiro, Patrícia Lisbôa Izetti; Pereira, Maria Luiza Saraiva; Bock, Hugo; Vargas, Fernando Regla; Moreira, Miguel Angelo Martins; Peixoto, Ana; Teixeira, Manuel R.; Prolla, Patrícia Ashton (2016) [Artigo de periódico]
      Approximately 5-10% of breast cancers are caused by germline mutations in high penetrance predisposition genes. Among these, BRCA1 and BRCA2, which are associated with the Hereditary Breast and Ovarian Cancer (HBOC) syndrome, ...

    • Breast cancer in southern Brazil : association with past dietary intake 

      Di Pietro, Patricia Faria; Medeiros, Neiva Inês; Vieira, Francilene Gracieli Kunradi; Fausto, Maria Arlene; Belló-Klein, Adriane (2007) [Artigo de periódico]
      Objective: To determine possible associations between the risk of breast cancer in Brazilian women and demographic, social and economical variables, and past dietary intake. Methods: A case-control study was conducted in ...

    • Bredemeyera Willd. e Securidaca L. (Polygalaceae) na Região Sul do Brasil 

      Ludtke, Raquel; Chies, Tatiana Teixeira de Souza; Miotto, Silvia Teresinha Sfoggia (2008) [Artigo de periódico]
      (Bredemeyera Willd. e Securidaca L. (Polygalaceae) na Região Sul do Brasil). Na Região Sul do Brasil a família Polygalaceae está representada por quatro gêneros: Bredemeyera Willd., Monnina Ruiz & Pav., Polygala L. e ...

    • Breeding systems in Echinococcus granulosus (Cestoda; Taeniidae) : selfing or outcrossing? 

      Haag, Karen Luisa; Araujo, Aldo Mellender de; Gottstein, Bruno; Siles-Lucas, M.; Thompson, R. C. A.; Zaha, Arnaldo (1999) [Artigo de periódico]
      We used the PCR±SSCP method followed by sequencing in order to assess the genetic variability of coding and noncoding parts of the genome of Echinococcus granulosus (Cestoda; Taeniidae) and to test whether or not the ...

    • Brief daily postpartum separations from the litter alter dam response to psychostimulants and to stress 

      Silveira, Patrícia Pelufo; Benetti, Carla da Silva; Portella, André Krumel; Diehl, Leandro Arthur; Dalle Molle, Roberta; Lucion, Aldo Bolten; Dalmaz, Carla (2013) [Artigo de periódico]
      Neonatal handling induces several behavioral and neurochemical alterations in pups, including decreased responses to stress and reduced fear in new environments. However, there are few reports in the literature concerning ...

    • Brincar e filosofar, despertando o interesse pelo saber : oficinas sobre animais peçonhentos 

      Meyer, Daniel Derrossi; Silva, Katia Valenca Correia Leandro da (2008) [Artigo de periódico]
      O projeto de extensão “Respeito ao Animal Feio”, desenvolvido em 2006, nos municípios de Porto Alegre e de Viamão, relata experiências vivenciadas por oficineiros em turmas do Ensino Fundamental de escolas da rede pública ...