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1.
First official record of Aedes (Stegomyia) albopictus (Diptera: Culicidae) in the Acre State, Northern Brazil
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Rocha, Ricardo da Costa
; Cardoso, Acigelda da Silva
; Souza, Janis Lunier de
; Pereira, Eliana da Silva
; Amorim, Marcio Fernandes de
; Souza, Maria Socorro Martins de
; Medeiros, Cleomar de Lima
; Monteiro, Maria Francisca Mendes
; Meneguetti, Dionatas Ulises de Oliveira
; Paula, Marcia Bicudo de
; Brilhante, Andreia Fernandes
; Lima-Camara, Tamara Nunes
.
Revista do Instituto de Medicina Tropical de São Paulo
- Journal Metrics
ABSTRACT Aedes (Stegomyia) albopictus (Skuse, 1854) was reported in Brazil for the first time in 1986 and has shown marked expansion throughout the Brazilian territory. During a routine activity to control dengue fever conducted by the Division of Entomology of the Municipal Health Department in Rio Branco city, adults and immatures of Culicidae were collected in a peri-urban area. The identified Culicidae forms indicated that they belonged to the species Ae. albopictus. This is the first official record of the presence of Ae. albopictus in the Acre State, confirming its current presence in all Brazilian states.
2.
IMPACTO-MR: um estudo brasileiro de plataforma nacional para avaliar infecções e multirresistência em unidades de terapia intensiva
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Tomazini, Bruno M
; Nassar Jr, Antonio Paulo
; Lisboa, Thiago Costa
; Azevedo, Luciano César Pontes de
; Veiga, Viviane Cordeiro
; Catarino, Daniela Ghidetti Mangas
; Fogazzi, Debora Vacaro
; Arns, Beatriz
; Piastrelli, Filipe Teixeira
; Dietrich, Camila
; Negrelli, Karina Leal
; Jesuíno, Isabella de Andrade
; Reis, Luiz Fernando Lima
; Mattos, Renata Rodrigues de
; Pinheiro, Carla Cristina Gomes
; Luz, Mariane Nascimento
; Spadoni, Clayse Carla da Silva
; Moro, Elisângela Emilene
; Bueno, Flávia Regina
; Sampaio, Camila Santana Justo Cintra
; Silva, Débora Patrício
; Baldassare, Franca Pellison
; Silva, Ana Cecilia Alcantara
; Veiga, Thabata
; Barbante, Leticia
; Lambauer, Marianne
; Campos, Viviane Bezerra
; Santos, Elton
; Santos, Renato Hideo Nakawaga
; Laranjeiras, Ligia Nasi
; Valeis, Nanci
; Santucci, Eliana
; Miranda, Tamiris Abait
; Patrocínio, Ana Cristina Lagoeiro do
; Carvalho, Andréa de
; Sousa, Eduvirgens Maria Couto de
; Sousa, Ancelmo Honorato Ferraz de
; Malheiro, Daniel Tavares
; Bezerra, Isabella Lott
; Rodrigues, Mirian Batista
; Malicia, Julliana Chicuta
; Silva, Sabrina Souza da
; Gimenes, Bruna dos Passos
; Sesin, Guilhermo Prates
; Zavascki, Alexandre Prehn
; Sganzerla, Daniel
; Medeiros, Gregory Saraiva
; Santos, Rosa da Rosa Minho dos
; Silva, Fernanda Kelly Romeiro
; Cheno, Maysa Yukari
; Abrahão, Carolinne Ferreira
; Oliveira Junior, Haliton Alves de
; Rocha, Leonardo Lima
; Nunes Neto, Pedro Aniceto
; Pereira, Valéria Chagas
; Paciência, Luis Eduardo Miranda
; Bueno, Elaine Silva
; Caser, Eliana Bernadete
; Ribeiro, Larissa Zuqui
; Fernandes, Caio Cesar Ferreira
; Garcia, Juliana Mazzei
; Silva, Vanildes de Fátima Fernandes
; Santos, Alisson Junior dos
; Machado, Flávia Ribeiro
; Souza, Maria Aparecida de
; Ferronato, Bianca Ramos
; Urbano, Hugo Corrêa de Andrade
; Moreira, Danielle Conceição Aparecida
; Souza-Dantas, Vicente Cés de
; Duarte, Diego Meireles
; Coelho, Juliana
; Figueiredo, Rodrigo Cruvinel
; Foreque, Fernanda
; Romano, Thiago Gomes
; Cubos, Daniel
; Spirale, Vladimir Miguel
; Nogueira, Roberta Schiavon
; Maia, Israel Silva
; Zandonai, Cassio Luis
; Lovato, Wilson José
; Cerantola, Rodrigo Barbosa
; Toledo, Tatiana Gozzi Pancev
; Tomba, Pablo Oscar
; Almeida, Joyce Ramos de
; Sanches, Luciana Coelho
; Pierini, Leticia
; Cunha, Mariana
; Sousa, Michelle Tereza
; Azevedo, Bruna
; Dal-Pizzol, Felipe
; Damasio, Danusa de Castro
; Bainy, Marina Peres
; Beduhn, Dagoberta Alves Vieira
; Jatobá, Joana D’Arc Vila Nova
; Moura, Maria Tereza Farias de
; Rego, Leila Rezegue de Moraes
; Silva, Adria Vanessa da
; Oliveira, Luana Pontes
; Sodré Filho, Eliene Sá
; Santos, Silvana Soares dos
; Neves, Itallo de Lima
; Leão, Vanessa Cristina de Aquino
; Paes, João Lucidio Lobato
; Silva, Marielle Cristina Mendes
; Oliveira, Cláudio Dornas de
; Santiago, Raquel Caldeira Brant
; Paranhos, Jorge Luiz da Rocha
; Wiermann, Iany Grinezia da Silva
; Pedroso, Durval Ferreira Fonseca
; Sawada, Priscilla Yoshiko
; Prestes, Rejane Martins
; Nascimento, Glícia Cardoso
; Grion, Cintia Magalhães Carvalho
; Carrilho, Claudia Maria Dantas de Maio
; Dantas, Roberta Lacerda Almeida de Miranda
; Silva, Eliane Pereira
; Silva, Antônio Carlos da
; Oliveira, Sheila Mara Bezerra de
; Golin, Nicole Alberti
; Tregnago, Rogerio
; Lima, Valéria Paes
; Silva, Kamilla Grasielle Nunes da
; Boschi, Emerson
; Buffon, Viviane
; Machado, André Sant’Ana
; Capeletti, Leticia
; Foernges, Rafael Botelho
; Carvalho, Andréia Schubert de
; Oliveira Junior, Lúcio Couto de
; Oliveira, Daniela Cunha de
; Silva, Everton Macêdo
; Ribeiro, Julival
; Pereira, Francielle Constantino
; Salgado, Fernanda Borges
; Deutschendorf, Caroline
; Silva, Cristofer Farias da
; Gobatto, Andre Luiz Nunes
; Oliveira, Carolaine Bomfim de
; Dracoulakis, Marianna Deway Andrade
; Alvaia, Natália Oliveira Santos
; Souza, Roberta Machado de
; Araújo, Larissa Liz Cardoso de
; Melo, Rodrigo Morel Vieira de
; Passos, Luiz Carlos Santana
; Vidal, Claudia Fernanda de Lacerda
; Rodrigues, Fernanda Lopes de Albuquerque
; Kurtz, Pedro
; Shinotsuka, Cássia Righy
; Tavares, Maria Brandão
; Santana, Igor das Virgens
; Gavinho, Luciana Macedo da Silva
; Nascimento, Alaís Brito
; Pereira, Adriano J
; Cavalcanti, Alexandre Biasi
.
ABSTRACT Objective: To describe the IMPACTO-MR, a Brazilian nationwide intensive care unit platform study focused on the impact of health care-associated infections due to multidrug-resistant bacteria. Methods: We described the IMPACTO-MR platform, its development, criteria for intensive care unit selection, characterization of core data collection, objectives, and future research projects to be held within the platform. Results: The core data were collected using the Epimed Monitor System® and consisted of demographic data, comorbidity data, functional status, clinical scores, admission diagnosis and secondary diagnoses, laboratory, clinical, and microbiological data, and organ support during intensive care unit stay, among others. From October 2019 to December 2020, 33,983 patients from 51 intensive care units were included in the core database. Conclusion: The IMPACTO-MR platform is a nationwide Brazilian intensive care unit clinical database focused on researching the impact of health care-associated infections due to multidrug-resistant bacteria. This platform provides data for individual intensive care unit development and research and multicenter observational and prospective trials.
RESUMO Objetivo: Descrever o IMPACTO-MR, um estudo brasileiro de plataforma nacional em unidades de terapia intensiva focado no impacto das infecções por bactérias multirresistentes relacionadas à assistência à saúde. Métodos: Descrevemos a plataforma IMPACTO-MR, seu desenvolvimento, critérios para seleção das unidades de terapia intensiva, caracterização da coleta de dados, objetivos e projetos de pesquisa futuros a serem realizados na plataforma. Resultados: Os dados principais foram coletados por meio do Epimed Monitor System® e consistiram em dados demográficos, dados de comorbidades, estado funcional, escores clínicos, diagnóstico de internação e diagnósticos secundários, dados laboratoriais, clínicos e microbiológicos e suporte de órgãos durante a internação na unidade de terapia intensiva, entre outros. De outubro de 2019 a dezembro de 2020, 33.983 pacientes de 51 unidades de terapia intensiva foram incluídos no banco de dados principal. Conclusão: A plataforma IMPACTO-MR é um banco de dados clínico brasileiro de unidades de terapia intensiva focado na pesquisa do impacto das infecções por bactérias multirresistentes relacionadas à assistência à saúde. Essa plataforma fornece dados para o desenvolvimento e pesquisa de unidades de terapia intensiva individuais e ensaios clínicos observacionais e prospectivos multicêntricos.
3.
BRS TR271 - a high grain yield and super-early wheat cultivar
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Caierão, Eduardo
; Castro, Ricardo Lima de
; Scheeren, Pedro Luiz
; Eichelberger, Luiz
; Pires, João Leonardo Fernandes
; Guarienti, Eliana Maria
; Miranda, Martha Zavariz de
; Lau, Douglas
; Santana, Flavio Martins
; Costamilan, Leila
; Lima, Maria Imaculada
; Cunha, Gilberto Rocca da
; Nascimento Junior, Alfredo do
.
Abstract BRS TR271 is a new wheat cultivar released by Embrapa for Brazilian wheat-growing regions 1 and 2 of Rio Grande do Sul, Santa Catarina, and Paraná. It has high grain yield potential and a super-early cycle. It is widely adapted and is classified as bread wheat.
4.
Biological effects of formulation containing curcuminoids and Bidens Pilosa L. in oral carcinoma cell line
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Arantes, Diego Antonio Costa
; Silva, Artur Christian Garcia da
; Lima, Eliana Martins
; Alonso, Ellen Cristine Pineze
; Marreto, Ricardo Neves
; Mendonça, Elismauro Francisco
; Valadares, Marize Campos
; Batista, Aline Carvalho
.
Abstract: FITOPROT, which contains curcuminoids and Bidens pilosa L. extract, is an innovative mucoadhesive formulation indicated for the topical treatment of chemoradiotherapy-induced oral mucositis (OM) in patients with advanced and visible oral squamous cell carcinoma. The formulation is used as a mouthwash directly on tumor tissue of patients with advanced neoplasms, without triggering cancer cell proliferation or tumor invasiveness. Thus, the aim of this study was to evaluate the biological effects of FITOPROT on an oral squamous cell carcinoma cell line (SCC-4). The viability of SCC-4 cells was assessed after exposure to FITOPROT using MTT reduction assay. The effects of the mucoadhesive formulation on cell cycle progression and cell death parameters were evaluated using flow cytometry. In addition, the inflammatory profile of the tumor cells was evaluated using the cytometric bead array (CBA) assay. FITOPROT promoted a concentration-dependent decrease in cell viability and cell cycle arrest at the G2/M phase (p < 0.05). Mitochondrial membrane potential was also altered after exposure to the formulation (p < 0.05), in parallel with a reduction in VEGF and IL-8 production (p = 0.01 and p = 0.05, respectively). In summary, the results indicate that FITOPROT reduces SCC-4 cell viability, promotes cell cycle arrest, modulates mitochondrial membrane potential, and exhibits antiangiogenic and anti-inflammatory properties, thus indicating its potential for topical use in patients with OM and visible tumors in the mouth.
https://doi.org/10.1590/1807-3107bor-2021.vol35.0063
217 downloads
5.
First isolation of West Nile virus in Brazil
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Martins, Lívia Caricio
; Silva, Eliana Vieira Pinto da
; Casseb, Livia Medeiros Neves
; Silva, Sandro Patroca da
; Cruz, Ana Cecília Ribeiro
; Pantoja, Jamilla Augusta de Sousa
; Medeiros, Daniele Barbosa de Almeida
; Martins Filho, Arnaldo Jorge
; Cruz, Ermelinda do Rosário Moutinho da
; Araújo, Marialva Tereza Ferreira de
; Cardoso, Jedson Ferreira
; Cunha, Marcos Antônio Correia Rodrigues da
; Almada, Gilton Luiz
; Romano, Alessandro Pecego Martins
; Santos, Maria Guadalupe Dias Pestana
; Rodrigues, Gilsa Aparecida Pimenta
; Chiang, Jannifer Oliveira
; Quaresma, Juarez Antonio Simões
; Carvalho, Valéria Lima
; Vasconcelos, Pedro Fernando da Costa
.
BACKGROUND Serological evidence of West Nile virus (WNV) infection has been reported in different regions of Brazil from equine and human hosts but the virus had never been isolated in the country. OBJECTIVES We sought to identify the viral etiology of equine encephalitis in Espírito Santo state. METHODS We performed viral culture in C6/36 cells, molecular detection of WNV genome, histopathology and immunohistochemistry from horse cerebral tissue. We also carried out sequencing, phylogenetic analysis and molecular clock. FINDINGS Histopathologic analysis from horse cerebral tissue showed injury related to encephalitis and WNV infection was confirmed by immunohistochemistry. The virus was detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR) from brain tissue and subsequently isolated in C6/36 cells. WNV full-length genome was sequenced showing the isolated strain belongs to lineage 1a. The molecular clock indicated that Brazilian WNV strain share the same common ancestor that were circulating in US during 2002-2005. MAIN CONCLUSIONS Here we report the first isolation of WNV in Brazil from a horse with neurologic disease, which was clustered into lineage 1a with others US WNV strains isolated in beginning of 2000’s decade.
https://doi.org/10.1590/0074-02760180332
3810 downloads
6.
Retinal changes in rabbit after intravitreal injection of sunitinib encapsulated into solid lipid nanoparticles and polymeric nanocapsules
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Freitas, Luiz Guilherme Azevedo de
; Isaac, David Leonardo Cruvinel
; Lima, Eliana Martins
; Souza, Leonardo Gomes
; Abud, Murilo Alves
; Reis, Ricardo Gomes dos
; Tannure, William Thomas
; Ávila, Marcos Pereira de
.
RESUMO Objetivos: O presente estudo teve por objetivo avaliar a segurança da injeção intravítrea de 0,1 ml de sunitinibe em duas concentrações (1 mg/ml e 10 mg/ml), 0,1 ml de dispersão contendo nanopartículas lipídicas sólidas sem droga e 0,1 ml de dispersão contendo nanocápsulas poliméricas livre de drogas analisando os possíveis efeitos tóxicos à retina de coelhos albinos detectados pela eletrofisiologia e histologia por microscopia óptica. Métodos: Um estudo controlado experimental foi realizado com 20 olhos de coelhos albinos. Foram realizadas injeções intravítrea de duas concentrações diferentes de sunitinibe, uma dispersão contendo nanopartículas lipídicas sólidas e uma dispersão contendo nanocápsulas. O olho contralateral não recebeu tratamento e foi utilizado como controle. Resultados: Não foram observadas alterações eletrorretinográficas nos grupos do sunitinibe (1 mg/ml e 10 mg/ml) e no grupo das nanopartículas lipídicas sólidas. No grupo das nanocápsulas, houve alterações significativas tanto na morfologia, quanto na amplitude e tempo das ondas do eletrorretinograma. Ao estudo histológico, somente o grupo das nanocápsulas apresentou alterações degenerativas (núcleos tumefeitos) com acentuado edema e formação de vacúolos citoplasmáticos, sugerindo toxidade retiniana. Conclusões: As injeções intravítreas de sunitinibe e nanopartículas lipídicas sólidas não foram tóxicas para a retina. No entanto, nanocápsulas mostraram ser tóxicas para a retina. Sendo assim, a possibilidade de poder combinar o potencial de uma droga que possui a capacidade de inibir duas importantes vias da angiogênese, às vantagens de liberação controlada das nanopartículas lipídicas sólidas, pode ser um importante recurso terapêutico para doenças vasoproliferativas oculares.
ABSTRACT Purpose: We aimed to evaluate the safety of single intravitreal injection of each of two concentrations of 0.1 ml of sunitinib (1 and 10 mg/ml), 0.1 ml of a drug-free dispersion containing solid lipid nanoparticles, and 0.1 ml of a drug-free dispersion containing polymeric nanocapsules for analyzing the possible toxic effects using electrophysiology and histology in albino rabbit retina. Methods: We conducted an experimental controlled study of 20 eyes of albino rabbits. Intravitreal injections of each specific agent were applied to one eye per rabbit in each 5-rabbit group, while the contralateral eyes received no treatment and were used as controls. Results: We noted no electroretinographic changes in the sunitinib (1 and 10 mg/ml) or in solid lipid nanoparticles groups. However, we observed significant abnormalities in ocular morphology and in the electroretinogram in the nanocapsules group. At the histological level, only the nanocapsules group demonstrated abnormal changes, including severe edema and cytoplasmic vacuole formation. Conclusions: While nanocapsules intravitreal injections indicated retinal toxic effects, sunitinib and solid lipid nanoparticles intravitreal injections were not toxic to the retina. Our results suggest that a sunitinib preparation with solid lipid nanoparticles for controlled release may offer a significant therapeutic approach for vasoproliferative ocular disease.
https://doi.org/10.5935/0004-2749.20180079
1533 downloads
7.
Effect of oral dietary supplement for chicks subjected to thermal oscillation on performance and intestinal morphometry
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Fernandes, Jovanir Inês Muller
; Gonçalves, Daianna Rosse Martins
; Riffel, Eliana Thais
; Vanroo, Elisângela
; Lima, Fernanda Kaiser de
; Broch, Jomara
.
RESUMO. O objetivo do trabalho foi avaliar a eficácia de uma formulação nutricional à base de aminoácidos e vitaminas suplementadas na água de bebida de pintainhos na primeira semana de vida, submetidos à oscilação térmica sobre o desempenho produtivo, desenvolvimento de órgãos e morfometria intestinal de um a 21 dias. Foram utilizados 640 pintos de corte machos, distribuídos em um delineamento inteiramente casualizado em esquema fatorial 2x2 (com suplementação nutritiva oral ou não e em temperatura de conforto ou oscilação térmica). As aves submetidas à oscilação térmica apresentaram pior desempenho (p < 0,05) em relação às aves do grupo conforto térmico de um a sete, um a 14 e um a 21 dias. A suplementação nutritiva não alterou o desempenho (p < 0,05) das aves, mas resultou em maior peso dos órgãos (p < 0,05) independentemente da condição térmica ambiental. Aos sete dias, as aves em conforto térmico apresentaram melhores parâmetros morfométricos intestinais (p < 0,05), em relação às aves submetidas à oscilação térmica. Em conclusão, as oscilações de temperatura ocasionaram consequências negativas ao desempenho produtivo e à morfologia intestinal das aves na qual a suplementação nutritiva não foi suficiente para amenizar os efeitos do desafio ambiental na primeira semana de vida das aves.
ABSTRACT. The aim of the study was to evaluate the efficacy of a nutritional formulation based on amino acids and vitamins supplemented in the drinking water for chicks in the first week of life subjected to thermal oscillation on performance, organ development and intestinal morphometry from 1 to 21 days. 640-male broiler chicks were distributed in a 2x2 factorial completely randomized design (with or without dietary supplementation and at comfort temperature or thermal oscillation). Chicks subjected to thermal oscillation presented worse performance (p < 0.05) than those under thermal comfort of 1 to 7, 1 to 14 and 1 to 21 days. Nutritional supplementation did not alter the performance (p < 0.05) of the birds, but resulted in a higher body weight (p < 0.05) regardless of the environmental thermal condition. At 7 days, chicks under thermal comfort had better intestinal morphometric parameters (p < 0.05), in relation to birds under thermal oscillation. In conclusion, the temperature oscillations caused negative consequences to the productive performance and the intestinal morphology of chicks for which dietary supplementation was not enough to mitigate the effects of the environmental challenge during the first week of life of the birds.
https://doi.org/10.4025/actascianimsci.v39i4.33279
684 downloads
8.
BRS 331 - Early cycle double-haploid wheat cultivar
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Scheeren, Pedro Luiz
; Caierão, Eduardo
; Silva, Márcio Só e
; Eichelberger, Luiz
; Nascimento Júnior, Alfredo do
; Guarienti, Eliana Maria
; Miranda, Martha Zavariz de
; Castro, Ricardo Lima de
; Costamilan, Leila
; Santana, Flávio Martins
; Maciel, João Leodato Nunes
; Lima¹, Maria Imaculada Pontes Moreira
; Pires, João Leonardo Fernandes
; Lau, Douglas
; Pereira, Paulo Roberto Valle da Silva
; Cunha, Gilberto Rocca da
.
Abstract The wheat cultivar ‘BRS 331’ was developed by Embrapa. It results from an interspecific cross between wheat and maize by double-hapolid method. ‘BRS 331’ shows solid stem in the base of the plant, short leaves and super-early cycle to maturity. It is classified as bread wheat in all of the regions that is recommended in the States of Rio Grande do Sul, Paraná and Santa Catarina, Brazil.
https://doi.org/10.1590/1984-70332017v17n1c10
716 downloads
9.
Grandisin induces apoptosis in leukemic K562 cells
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Cortez, Alane Pereira
; Menezes, Elizabeth Gomes Paulino
; Benfica, Polyana Lopes
; Santos, Alexandre Pereira dos
; Cleres, Larissa Moreira
; Ribeiro, Higor de Oliveira
; Lima, Eliana Martins
; Kato, Massuo Jorge
; Valadares, Marize Campos
.
Abstract In this study, the potential antileukemic activity of grandisin, a lignan extracted from Piper solmsianum, was evaluated against the leukemic line K562. The cytotoxicity of grandisin (0.018 to 2.365 µM) was evaluated in K562 and normal peripheral blood lymphocytes by Trypan Blue Exclusion and MTT methods after 48h exposure to the drug. In both methods, cellular viability was concentration-dependent and the IC50 values were lower than 0.85µM. Analysis of K562 cells after treatment with grandisin showed that the cell cycle was arrested in the G1 phase with a 12.31% increase, while both S and G2 phases decreased. Morphological studies conducted after the exposure of K562 to grandisin revealed changes consistent with the apoptosis process, which was confirmed by anexin V stain and caspase activation. Thus, lignan grandisin showed antileukemic activities against the K562 cell line and the cell death process occurred via apoptosis.
https://doi.org/10.1590/s2175-97902017000115210
1625 downloads
10.
BRS 404 - wheat cultivar for rainfed conditions
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Silva, Márcio Só e
; Albrecht, Júlio Cesar
; Soares Sobrinho, Joaquim
; Moresco, Edina
; Chagas, Jorge
; Caierão, Eduardo
; Scheeren, Pedro Luiz
; Castro, Ricardo Lima de
; Cargnin, Adeliano
; Miranda, Marta Zavaiz de
; Guarienti, Eliana Maria
; Eichelberger, Luiz
; Nascimento Jr, Alfredo do
; Ito, Márcio Akira
; Santana, Flávio Martins
; Yamanaka, Celso Ideo
; Bráz, Antônio Joaquim Braga Pereira
.
Abstract BRS 404 is a new wheat cultivar developed by Embrapa, indicated for rainfed conditions. It has a particularly good performance under heat and drought conditions. The grain yield is stable and BRS 404 is classified as bread wheat.
https://doi.org/10.1590/1984-70332016v16n1c11
858 downloads
11.
Resultados agronômicos e qualitativos da nova cultivar de trigo 'BRS Marcante'
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Caierão, Eduardo
; Silva, Márcio Só e
; Scheeren, Pedro Luiz
; Castro, Ricardo Lima de
; Eichelberger, Luiz
; Nascimento Junior, Alfredo do
; Guarienti, Eliana Maria
; Miranda, Martha Zavariz de
; Pires, João Leonardo Fernandes
; Maciel, João Leodato Nunes
; Chaves, Márcia Soares
; Santana, Flávio Martins
; Costamilan, Leila
; Lima, Maria Imaculada Pontes Moreira
; Lau, Douglas
; Pereira, Paulo Roberto Valle da Silva
; Silva Júnior, José Pereira da
; Wiethölter, Sirio
; Cunha, Gilberto Rocca da
.
A cultivar de trigo 'BRS Marcante' foi desenvolvida pela Embrapa, envolvendo um híbrido F1 do cruzamento entre as linhagens PF 980533 e PF 970227 com a cultivar 'BRS Guamirim', realizado em telado, na Embrapa Trigo, no inverno de 2003. As gerações segregantes foram conduzidas pelo método genealógico e a linhagem resultante, nomeada de PF 080310. A cultivar caracteriza-se pela sua ampla capacidade de adaptação às condições de cultivo do sul do Brasil, pelo bom potencial de rendimento de grãos e qualidade industrial da classe Pão
The wheat cultivar 'BRS Marcante' was developed by Embrapa, as a result a cross between F1 hybrid between lines PF 980533 and PF 970227 with 'BRS Guamirim' and carried out in a green-house of Embrapa Wheat, on 2003 winter season. The segregate generations were conducted by genealogic method and the genotype resulted was named PF 080310. It has wide adaptation ability to south Brazilian conditions, high grain yield potential and belongs to Bread Class
https://doi.org/10.1590/0103-8478cr20140838
1746 downloads
12.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
; Riina, Ricarda
; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
; Rodrigues, Izabella M.C.
; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
; Romaniuc Neto, Sérgio
; Romão, Gerson O.
; Romero, Rosana
; Roque, Nádia
; Rosa, Patrícia
; Rossi, Lúcia
; Sá, Cyl F.C.
; Saavedra, Mariana M.
; Saka, Mariana
; Sakuragui, Cássia M.
; Salas, Roberto M.
; Sales, Margareth F.
; Salimena, Fatima R.G.
; Sampaio, Daniela
; Sancho, Gisela
; Sano, Paulo T.
; Santos, Alessandra
; Santos, Élide P.
; Santos, Juliana S.
; Santos, Marianna R.
; Santos-Gonçalves, Ana P.
; Santos-Silva, Fernanda
; São-Mateus, Wallace
; Saraiva, Deisy P.
; Saridakis, Dennis P.
; Sartori, Ângela L.B.
; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
.
Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
33340 downloads
13.
Development and physical evaluation of Maytenus ilicifolia effervescent granules using factorial design
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Cunha-Filho, Marcilio Sérgio Soares da
; Gustmann, Pricila Castilho
; Garcia, Felipe Sanches
; Lima, Eliana Martins
; Sá-Barreto, Lívia Cristina Lira de
.
Brazilian Journal of Pharmaceutical Sciences
- Journal Metrics
A planta medicinal Maytenus ilicifolia é comumente empregada como fitoterápico no tratamento da gastrite. As elevadas doses requeridas e a baixa densidade dos extratos dessa planta levam à ingestão diária de várias cápsulas do medicamento, dificultando a adesão ao tratamento. A proposta desse trabalho foi desenvolver uma forma farmacêutica adequada para administração de Maytenus ilicifolia usando granulados efervescentes. Um desenho fatorial 23 foi empregado para estudar as características físicas dos granulados (distribuição dos tamanhos de partícula, ângulo de repouso, índice de Carr, microscopia eletrônica de varredura e tempo de desintegração). A higroscopicidade das preparações também foi estudada. De acordo com o desenho experimental, o tamanho de partícula é o fator mais importante para a determinação das características de fluxo dos granulados efervescentes. Em contrapartida, o tempo de desintegração é controlado pelo conteúdo de bicarbonato de sódio presente na mistura efervescente, assim como pelo tamanho do granulado. A estabilidade das formulações quando expostas à umidade é fortemente influenciada pelo percentual de mistura efervescente presente nos granulados. Precauções de manipulação e armazenamento devem ser tomadas para garantir a estabilidade dessas preparações. Os granulados efervescentes produzidos com Maytenus ilicifolia cumprem os requisitos farmacopeicos de qualidade, com adequadas características físicas e mecânicas, provando ser um veículo promissor para extratos vegetais.
The medicinal plant Maytenus ilicifolia is a commonly used phytomedicine for the treatment of gastritis. The high dose required and low density of these extracts make necessary a daily intake of several capsules, hindering adherence to the medication. The purpose of this work was to develop a suitable dosage form for the administration of Maytenus ilicifolia using effervescent granules. A 23 factorial design was used to study the physical characteristics of the granules (particle size distribution, repose angle, Carr index, scanning electron microscopy and disintegration time). Moisture stability was also determined. According to the experimental design, granule size is the most important factor in determining the flow characteristics of effervescent granules. In turn, the disintegration time is controlled by the content of sodium bicarbonate present in the effervescent mixture as well as the granule size. The stability of formulations when exposed to moisture is strongly influenced by the percentage of effervescent mixture present in the vegetal granules. Precautions in handling and storage should be taken to ensure the stability of these preparations. The effervescent granules produced from Maytenus ilicifolia met the pharmacopoeial quality parameters, with appropriate mechanical and physical characteristics and proved to be a promising vehicle for plant extracts.
https://doi.org/10.1590/S1984-82502014000200002
4179 downloads
14.
BRS 374 - wheat cultivar
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Caierão, Eduardo
; Só e Silva, Márcio
; Scheeren, Pedro Luiz
; Eichelberger, Luiz
; Nascimento Júnior, Alfredo do
; Guarienti, Eliana Maria
; Miranda, Martha Zavariz de
; Costamilan, Leila
; Santana, Flávio Martins
; Maciel, João Leodato Nunes
; Pires, João Leonardo
; Lau, Douglas
; Pereira, Paulo Roberto
; Cargnin, Adeliano
; Castro, Ricardo Lima de
.
BRS 374 is a wheat cultivar developed by Embrapa. It resulted from a cross between the F1 generation of PF 88618/Coker80.33 and Frontana/Karl. BRS 374 belongs to the soft wheat class, has a low plant height, a high potential grain yield, and white flour.
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Cited 3 times in SciELO
15.
Development and characterization of PLGA nanocapsules of grandisin isolated from Virola surinamensis: in vitro release and cytotoxicity studies
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Stecanella, Luciano Aparecido
; Taveira, Stephânia Fleury
; Marreto, Ricardo Neves
; Valadares, Marize C.
; Vieira, Marcelo de Sousa
; Kato, Massuo Jorge
; Lima, Eliana Martins
.
The most studied phyto constituent isolated from Virola surinamensis (Rol. ex Rottb.) Warb., Myristicaceae, is the tetrahydrofuran neolignan grandisin, which exhibits a series of biological activities, including trypanocidal, larvicidal and antitumoral. Due to its extremely low solubility, additional studies, including in vivo investigations are challenged by the difficulties in the development of an effective drug delivery system for grandisin. The encapsulation in polymeric nanoparticles is a very attractive alternative for overcoming some of these limitations. In this work, PLGA nanocapsules loaded with grandisin were developed in an attempt to optimize the efficacy of grandisin as an antitumoral drug, with high drug loading and efficiency, prolonged drug release and increased physical-chemical stability. Mean diameter of the nanocapsules was lower than 200 nm, with very low polydispersity. Encapsulation efficiency was above 90%. A sustained in vitro drug release was achieved for up to twenty days and cytotoxicity was markedly increased (IC50 for grandisin-NC and grandisin were 0.005 µM and 0.078 µM, respectively), indicating that polymeric nanocapsules are a potential drug delivery system for grandisin allowing the preparation of formulations viable for further in vivo studies.
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Cited 1 time in SciELO
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