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[SciELO Preprints] - Guidelines on the Diagnosis and Treatment of Hypertrophic Cardiomyopathy – 2024
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Fernandes, Fabio Simões, Marcus V. Correia, Edileide de Barros Marcondes-Braga, Fabiana G. Coelho-Filho, Otavio Rizzi Mesquita, Cláudio Tinoco Mathias-Junior, Wilson Rochitte, Carlos Eduardo Ramires, Felix José Alvarez Alves, Silvia Marinho Martins Montera, Marcelo Westerlund Lopes, Renato Delascio Oliveira-Junior, Mucio Tavares Scolari, Fernando L. Avila, Walkiria Samuel Canesin, Manoel Fernandes Bacal, Fernando Bocchi, Edimar Alcides Moura, Lídia Ana Zytynski Saad, Eduardo Benchimol Scanavacca, Mauricio I. Valdigem, Bruno Pereira Cano , Manuel Nicolas Abizaid , Alexandre Ribeiro, Henrique Barbosa Lemos-Neto, Pedro Alves Ribeiro, Gustavo Calado de Aguiar Jatene, Fabio Biscegli Dias, Ricardo Ribeiro Beck-da-Silva, Luis Rohde, Luis Eduardo P. Bittencourt, Marcelo Imbroinise Pereira, Alexandre Krieger, José Eduardo Villacorta, Humberto Martins, Wolney de Andrade Figueiredo-Neto, José Albuquerque de Cardoso , Juliano Novaes Pastore, Carlos Alberto Jatene, Ieda Biscegli Tanaka, Ana Cristina Sayuri Hotta, Viviane Tiemi Romano, Minna Moreira Dias Albuquerque, Denilson Campos de Mourilhe-Rocha, Ricardo Hajjar, Ludhmila Abrahão Brito, Fabio Sandoli de Caramelli , Bruno Calderaro, Daniela Farsky, Pedro Silvio Colafranceschi , Alexandre Siciliano Pinto, Ibraim Masciarelli Vieira , Marcelo Luiz Campos Danzmann, Luiz Claudio Barberato , Silvio Henrique Mady, Charles Martinelli-Filho, Martino Torbey , Ana Flavia Malheiros Schwartzmann, Pedro Vellosa Macedo, Ariane Vieira Scarlatelli Ferreira , Silvia Moreira Ayub Schmidt, Andre Melo , Marcelo Dantas Tavares de Lima-Filho, Moysés Oliveira Sposito, Andrei C. Brito, Flavio de Souza Biolo, Andreia Madrini-Junior, Vagner Rizk, Stéphanie Itala Mesquita, Evandro Tinoco

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Publication date: 2024-04-08

Abstract: Pt Es En

A cardiomiopatia hipertrófica (CMH) é uma forma de doença do músculo cardíaco de causa genética, caracterizada pela hipertrofia das paredes ventriculares. O diagnóstico requer detecção por métodos de imagem (Ecocardiograma ou Ressonância Magnética Cardíaca) de qualquer segmento da parede do ventrículo esquerdo com espessura > 15 mm, sem outra causa provável. A análise genética permite identificar mutações de genes codificantes de diferentes estruturas do sarcômero responsáveis pelo desenvolvimento da CMH em cerca de 60% dos casos, permitindo o rastreio de familiares e aconselhamento genético, como parte importante do manejo dos pacientes e familiares. Vários conceitos sobre a CMH foram recentemente revistos, incluindo sua prevalência de 1 em 250 indivíduos, não sendo, portanto, uma doença rara, mas subdiagnosticada. A vasta maioria dos pacientes é assintomática. Naqueles sintomáticos, a obstrução do trato de saída do ventrículo esquerdo (OTSVE) é o principal distúrbio responsável pelos sintomas, devendo-se investigar a sua presença em todos os casos. Naqueles em que o ecocardiograma em repouso ou com Manobra de Valsalva não detecta gradiente intraventricular significativo (> 30 mmHg), devem ser submetidos à ecocardiografia com esforço físico para detecção da OTSVE.   Pacientes com sintomas limitantes e grave OTSVE, refratários ao uso de betabloqueadores e verapamil, devem receber terapias de redução septal ou uso de novas drogas inibidoras da miosina cardíaca. Por fim, os pacientes adequadamente identificados com risco aumentado de morta súbita podem receber medida profilática com implante de cardiodesfibrilador implantável (CDI).

La miocardiopatía hipertrófica (MCH) es una forma de enfermedad cardíaca de origen genético, caracterizada por el engrosamiento de las paredes ventriculares. El diagnóstico requiere la detección mediante métodos de imagen (Ecocardiograma o Resonancia Magnética Cardíaca) que muestren algún segmento de la pared ventricular izquierda con un grosor > 15 mm, sin otra causa probable. El análisis genético permite identificar mutaciones en genes que codifican diferentes estructuras del sarcómero responsables del desarrollo de la MCH en aproximadamente el 60% de los casos, lo que permite el tamizaje de familiares y el asesoramiento genético, como parte importante del manejo de pacientes y familiares. Varios conceptos sobre la MCH han sido revisados recientemente, incluida su prevalencia de 1 entre 250 individuos, por lo tanto, no es una enfermedad rara, sino subdiagnosticada. La gran mayoría de los pacientes son asintomáticos. En los casos sintomáticos, la obstrucción del tracto de salida ventricular izquierdo (TSVI) es el trastorno principal responsable de los síntomas, y su presencia debe investigarse en todos los casos. En aquellos en los que el ecocardiograma en reposo o la maniobra de Valsalva no detecta un gradiente intraventricular significativo (> 30 mmHg), deben someterse a ecocardiografía de esfuerzo para detectar la obstrucción del TSVI. Los pacientes con síntomas limitantes y obstrucción grave del TSVI, refractarios al uso de betabloqueantes y verapamilo, deben recibir terapias de reducción septal o usar nuevos medicamentos inhibidores de la miosina cardíaca. Finalmente, los pacientes adecuadamente identificados con un riesgo aumentado de muerte súbita pueden recibir medidas profilácticas con el implante de un cardioversor-desfibrilador implantable (CDI).

Hypertrophic cardiomyopathy (HCM) is a form of genetically caused heart muscle disease, characterized by the thickening of the ventricular walls. Diagnosis requires detection through imaging methods (Echocardiogram or Cardiac Magnetic Resonance) showing any segment of the left ventricular wall with a thickness > 15 mm, without any other probable cause. Genetic analysis allows the identification of mutations in genes encoding different structures of the sarcomere responsible for the development of HCM in about 60% of cases, enabling screening of family members and genetic counseling, as an important part of patient and family management. Several concepts about HCM have recently been reviewed, including its prevalence of 1 in 250 individuals, hence not a rare but rather underdiagnosed disease. The vast majority of patients are asymptomatic. In symptomatic cases, obstruction of the left ventricular outflow tract (LVOT) is the primary disorder responsible for symptoms, and its presence should be investigated in all cases. In those where resting echocardiogram or Valsalva maneuver does not detect significant intraventricular gradient (> 30 mmHg), they should undergo stress echocardiography to detect LVOT obstruction. Patients with limiting symptoms and severe LVOT obstruction, refractory to beta-blockers and verapamil, should receive septal reduction therapies or use new drugs inhibiting cardiac myosin. Finally, appropriately identified patients at increased risk of sudden death may receive prophylactic measure with implantable cardioverter-defibrillator (ICD) implantation.

https://doi.org/10.1590/SciELOPreprints.8394

Diretriz Brasileira de Dispositivos Cardíacos Eletrônicos Implantáveis – 2023
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Teixeira, Ricardo Alkmim

; Fagundes, Alexsandro Alves

; Baggio Junior, José Mário

; Oliveira, Júlio César de

; Medeiros, Paulo de Tarso Jorge

; Valdigem, Bruno Pereira

; Teno, Luiz Antônio Castilho

; Silva, Rodrigo Tavares

; Melo, Celso Salgado de

; Elias Neto, Jorge

; Moraes Júnior, Antonio Vitor

; Pedrosa, Anisio Alexandre Andrade

; Porto, Fernando Mello

; Brito Júnior, Hélio Lima de

; Souza, Thiago Gonçalves Schroder e

; Mateos, José Carlos Pachón

; Moraes, Luis Gustavo Belo de

; Forno, Alexander Romeno Janner Dal

; D’Avila, Andre Luiz Buchele

; Cavaco, Diogo Alberto de Magalhães

; Kuniyoshi, Ricardo Ryoshim

; Pimentel, Mauricio

; Camanho, Luiz Eduardo Montenegro

; Saad, Eduardo Benchimol

; Zimerman, Leandro Ioschpe

; Oliveira, Eduardo Bartholomay

; Scanavacca, Mauricio Ibrahim

; Martinelli Filho, Martino

; Lima, Carlos Eduardo Batista de

; Peixoto, Giselle de Lima

; Darrieux, Francisco Carlos da Costa

; Duarte, Jussara de Oliveira Pinheiro

; Galvão Filho, Silas dos Santos

; Costa, Eduardo Rodrigues Bento

; Mateo, Enrique Indalécio Pachón

; Melo, Sissy Lara De

; Rodrigues, Thiago da Rocha

; Rocha, Eduardo Arrais

; Hachul, Denise Tessariol

; Lorga Filho, Adalberto Menezes

; Nishioka, Silvana Angelina D’Orio

; Gadelha, Eduardo Barreto

; Costa, Roberto

; Andrade, Veridiana Silva de

; Torres, Gustavo Gomes

; Oliveira Neto, Nestor Rodrigues de

; Lucchese, Fernando Antonio

; Murad, Henrique

; Wanderley Neto, José

; Brofman, Paulo Roberto Slud

; Almeida, Rui M. S.

; Leal, João Carlos Ferreira

Arquivos Brasileiros de Cardiologia

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2023, Volume 120 N. 1 elocation e20220892

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

https://doi.org/10.36660/abc.20220892

Modelo Preditivo de Mortalidade por Todas as Causas em Pacientes com Insuficiência Cardíaca Usando a Variabilidade da Frequência Cardíaca
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Gomes, Bruno Ferraz de Oliveira

; Benchimol-Barbosa, Paulo Roberto

; Nadal, Jurandir

Arquivos Brasileiros de Cardiologia

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2023, Volume 120 N. 11 elocation e20220379

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract Background Short and long-duration heart rate variability (HRV) data from Holter monitoring could identify predictors of all-cause death in heart failure (HF) patients. Objectives To build a predictive model of all-cause death in patients with HF using HRV. Methods Retrospective study including patients with suspected or confirmed HF who were admitted for decompensated HF or syncope that underwent Holter monitoring. In analysis of augmented sympathetic tonus, we evaluated the lowest HRV in nonoverlapping 10-minutes periods throughout 24h continuous electrocardiographic signal recording (short HRV variables). Variables with p<0.01 were included in a multivariate Cox regression model to determine the occurrence of the all-cause death. Variables with statistical significance in Cox regression were chosen to build the predictive model. P<0.05 was considered significant. Results A total of 116 patients were included, mean age of 71.9±16.3 years, 45.7% men, mean follow-up of 2.83±1.27 years. Thirty-nine deaths occurred (33.6%). By comparing survivors vs. non-survivors, the variables that showed statistical significance were lowest SDNN, lowest rMSSD, age and left ventricular ejection fraction (LVEF). In Cox regression, independent predictors of all-cause death were: age>69 years (HR 3.95, 95%CI 1.64-9.52); LVEF≤57% (HR 4.70, 95%CI 2.38-9.28) and lowest rMSSD≤12ms (HR 5.54, 95%CI 2.04-15.08). An integer value was assigned to each variable. Score<3 showed AUC=0.802 (95%CI 0.72-0.87). Conclusion In HF patients hospitalized for decompensated HF or syncope, independent long-term predictors of all-cause death were age, LVEF, and 10-minutes rMSSD. These findings indicate that even brief moments of high sympathetic tone can impact survival, specifically in the elderly and patients with HF with reduced ejection fraction.

Resumo Fundamento Dados de curto e de longo prazo da variabilidade da frequência cardíaca (VFC) poderiam identificar preditores de mortalidade por todas as causas em pacientes com insuficiência cardíaca (IC). Objetivos Construir um modelo preditivo de mortalidade por todas as causas em pacientes com IC usando a VFC. Métodos Estudo retrospectivo incluindo pacientes com suspeita ou diagnóstico confirmado de IC internados por IC descompensada ou síncope e que realizaram exame de Holter 24 horas. Na análise do tônus simpático aumentado, nós avaliamos a VFC mais baixa em períodos de 10 minutos não sobrepostos em um registro contínuo de sinal eletrocardiográfico por 24 horas (VFC de curta duração). As variáveis com p<0,01 foram incluídas no modelo de regressão multivariada de Cox para determinar a ocorrência da mortalidade por todas as causas. As variáveis com significância estatística na regressão de Cox foram escolhidas para construir o modelo preditivo. Um p<0,05 foi considerado estatisticamente significativo. Resultados Um total de 116 pacientes foram incluídos, com idade média de 71,9±16,3 anos, 45,7% eram do sexo masculino. O tempo médio de acompanhamento foi de 2,83 ± 1,27 anos. Trinta e nove (33,6%) óbitos ocorreram. Na comparação de sobreviventes e não sobreviventes, as variáveis que mostraram significância estatística foram menor SDNN, menor rMSSD, idade e fração de ejeção ventricular esquerda (FEVE). Na regressão Cox, os preditores independentes de mortalidade por todas as causas foram: idade > 69 anos (HR 3,95, IC95% 1,64-9,52); FEVE≤57% (HR 4,70, IC95% 2,38-9,28) e menor rMSSD ≤12ms (HR 5,54; IC 95% 2,04-15,08). Um valor inteiro foi atribuído para cada variável. Este escore < 3 apresentou uma área sob a curva de 0,802 (IC95% 0,72-0,87). Conclusão Em pacientes com IC internados por IC descompensada ou síncope, preditores de longo prazo de mortalidade por todas as causas foram idade, FEVE, e rMSSD em 10 minutos. Esses achados indicam que mesmo breves momentos de tônus simpático elevado podem ter impacto na sobrevida, principalmente em idosos e pacientes com IC e fração de ejeção reduzida.

https://doi.org/10.36660/abc.20220379

Effects of chronic restraint stress in the prostate of prepubertal and adult rats
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Procópio, Isabella Mendes

; Ribeiro, Carina Teixeira

; Marchon, Roger Gaspar

; Costa, Waldemar Silva

; Buys-Gonçalves, Gabriela Faria

; Sampaio, Francisco José Barcellos

; Pereira-Sampaio, Marco Aurélio

; Souza, Diogo Benchimol de

Acta Cirúrgica Brasileira

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2023, Volume 38 elocation e387123

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To investigate the effects of chronic stress in the prostate of prepubertal and adult rats. Methods: Thirty-two male rats were assigned into four groups depending on the type of treatment (control or stressed) and the age at which stress was initiated (prepubertal or adult). Restraint stress stimuli were applied for six weeks. Stressed prepubertal and adult rats evaluated immediately after the last stress stimuli were named SP and SA groups, respectively. Age-matched rats were used as control groups (CP and CA). At the end of the experiment, the rats were euthanized, and prostate morphological parameters were evaluated and statistically compared. Results: Application of stress stimuli to the SP group resulted in reduced body weight, but no prostate morphological modification was noted. The SA group showed reduced testosterone level and prostatic epithelium surface density, in comparison to CA group. Further, the prostatic lumen surface density was increased in adult stressed animals, in comparison to adult controls. Conclusions: The stress stimuli promoted changes in hormonal and morphological parameters in the prostate of adult stressed rats. Prepubertal stressed animals did not presented modifications of prostate morphology.

https://doi.org/10.1590/acb387123

FROM PARÁ TO MANAOS EM TRADUÇÃO: UMA ANÁLISE DOS MOVIMENTOS TRADUTÓRIOS E DO MAGNETISMO INTERLINGUAGENS E INTERGÊNEROS
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Barros, Silvia Helena Benchimol

; Silva, Tabita Fernandes da

Cadernos de Tradução

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2023, Volume 43 N. spe2 Pages 230 - 259

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract The corpus of this study is the text From Pará to Manaos, chapter V of the book A Journey in Brazil, by Elizabeth Agassiz, published in 1868 by Ticknor and Fields and translated from English to Portuguese in 2023, by Silvia Benchimol to compose the publication Traduzindo a Amazônia III. In addition to the centripetal property, which makes the writings about this work converge to its textual, social, ideological, narrative, linguistic and aesthetic elements, we emphasize its centrifugal power that provokes, from the center – the text – movements in different directions. The language meanders through different discursive genres in an orchestrated way – travel diary, report, letters, footnotes – accompanied by the translation. In the meticulous descriptions that reveal the writer’s enchantment for the mystery and exuberance of the forest, the language is strongly marked by literary and poetic aesthetics, fostering images with photographic precision that transport us to those places. No less evident are the scientific references that spill over the text, a rich and specialized glossary. The translation receives the source text and re-conceives it in another language in the same locus of the events, providing the translator with a dip in memories and facts, reconstructing personal experiences in the act of rewriting.

Resumo O corpus deste estudo é o texto From Pará to Manaos, capítulo V da obra A Journey in Brazil, de autoria de Elizabeth Agassiz, publicado em 1868 pela editora Ticknor and Fields e traduzido da língua inglesa para a língua portuguesa em 2023 por Silvia Benchimol para compor a publicação Traduzindo a Amazônia III1 propriedade centrípeta, que faz os escritos a respeito dessa obra convergirem para seus elementos textuais, sociais, ideológicos, narrativos, linguísticos e estéticos, ressalta-se o poder centrífugo da obra que provoca, a partir do centro – o texto – um afastamento em diferentes direções. A linguagem serpenteia por diversos gêneros discursivos de modo orquestrado – diário de viagem, relato, cartas, notas de rodapé – movimento acompanhado pela tradução. Nas descrições minuciosas que revelam o encantamento da escritora pelo mistério e exuberância da floresta, a linguagem é fortemente marcada pela estética literária e poética, propiciando construções de imagens de precisão fotográfica que nos transmovem para aqueles lugares. Não menos evidentes são as referências científicas que derramam sobre o texto rico glossário especializado. A tradução recebe o texto fonte e o reconcebe em outro código linguístico no locus dos acontecimentos, propiciando à tradutora um mergulho em memórias e fatos, reconstruindo experiências pessoais no ato da reescrita.

https://doi.org/10.5007/2175-7968.2023.e96106

First-degree Atrioventricular Block as an Early Marker of Advanced Disease of the Conduction System in a Patient with Hereditary Val142Ile Cardiac Amyloidosis Firstdegree First degree ValIle Val Ile
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Nunes, Nágela S. V.

; Mesquita, Evandro Tinoco

; Mesquita, Claudio Tinoco

; Benchimol-Barbosa, Paulo Roberto

International Journal of Cardiovascular Sciences

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2023, Volume 36 elocation e20210081

Abstract: En | Text: En | PDF: En

https://doi.org/10.36660/ijcs.20210081

Two-year monitoring of enterovirus and rotavirus A in recreational freshwater from an island region, Pará State, northern Brazil
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dos Santos-Alves, Jainara Cristina

; Monteiro-Teixeira, Dielle

; Rodrigues de Deus, Danielle

; Cavaleiro-Smith, Vanessa

; de Sousa Santos, Denise Suellen Amorim

; da Silva Bandeira, Renato

; Monteiro-Siqueira, Jones Anderson

; de Sá-Morais, Lena Líllian Canto

; Cortinhas-Monteiro, Jacqueline

; da Silva Soares, Luana

; Neto-Tavares, Fernando

; Gabbay, Yvone Benchimol

Latin american journal of aquatic research

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nov 2022, Volume 50 N. 5 Pages 703 - 713

Abstract: En | Text: En | PDF: En

ABSTRACT. Enteric viruses are major causes of waterborne diseases and are present in large quantities in the stools of infected individuals. Its viability in the environment lasts for months, favoring the contamination of water used for consumption and recreation. The study aimed to monitor monthly the circulation of enterovirus (EV) and group A rotavirus (RVA) in recreational freshwater from an island region used as a bathhouse in northern Brazil, from January 2012 to December 2013. The viral RNA was obtained using guanidine isothiocyanate/silica after viral concentration by adsorption-elution method. The molecular detection was carried out by semi (EV) and nested-PCR (RVA) and the amplicons were sequenced on automated sequencer. At least one of these viruses was detected on 40.4% (42/104) of the samples. RVA was the most frequent (n = 32; 30.8%) when compared to EV (n = 20; 19.2%). Co-circulation between both was identified in 9.6% (n = 10). The highest viral positivity was found in SP02 (46.1%). The highest viral positivity was observed during high tides (57.7%; 60/104). Most EV samples were characterized as coxsackievirus (CV) A5 (85.7%, 12/14) and others as Sabin 1 poliovirus (14.2%, 2/14). The RVA positive samples were genotyped as G2, G3, G9, G12, P[8], P[4], and P[6]. These viruses were detected in 35.6% (37/104) of the samples with an acceptable concentration of fecal coliform bacteria. These results demonstrate the contamination of surface water intended for recreation by enteric viruses of Public Health concern even when bacterial indicators are within the tolerated limit, a factor that confirms the need for public policies aimed the sewage treatment before its release into water bodies.

https://doi.org/10.3856/vol50-issue5-fulltext-2844

Retratos do cotidiano em Manguinhos
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Benchimol, Jaime Larry

História, Ciências, Saúde-Manguinhos

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mar 2022, Volume 29 N. 1 Pages 215 - 243

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo O texto aqui comentado reconstitui o cotidiano no Instituto Oswaldo Cruz no começo do século XX com base em depoimentos de antigos funcionários. “Os escravos são as mãos e os pés do senhor do engenho” – escreveu Antonil em 1711. Cada laboratório do instituto era como um pequeno engenho onde as mãos e os pés dos pesquisadores eram seus serventes, que executavam desde as tarefas mais desqualificadas até operações bem delicadas da pesquisa científica, atualmente confiadas a técnicos formados em escolas próprias. As habilidades dos primitivos técnicos, muitos recrutados ainda meninos nas oficinas da instituição, eram adquiridas empiricamente. O instituto era moderno por suas atividades, mas as relações de trabalho traziam as marcas de uma sociedade agrária e patriarcal, recém-egressa da escravidão.

Abstract This text reconstructs everyday routines at the Oswaldo Cruz Institute in the early twentieth century based on statements from staff at that time. As Antonil wrote in 1711, “Slaves are the hands and feet of the sugar-mill owner.” The researchers’ assistants fulfilled a similar role in the laboratories; their work ranged from unskilled tasks to extremely delicate scientific research that today requires specialized training. These early technicians, many recruited as boys in the institution’s workshops, acquired their skills empirically. While the institute carried out modern activities, labor relations there still bore the marks of an agrarian and patriarchal society that had only recently abandoned slavery.

https://doi.org/10.1590/s0104-59702022000100012

Combining disease resistance and postharvest quality traits by early marker-assisted backcrossing in carioca beans
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Paulino, Jean Fausto de Carvalho

; Almeida, Caléo Panhoca de

; Santos, Isabella Laporte

; Gonçalves, João Guilherme Ribeiro

; Carbonell, Sérgio Augusto Morais

; Chiorato, Alisson Fernando

; Benchimol-Reis, Luciana Lasry

Scientia Agricola

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2022, Volume 79 N. 2 elocation e20200233

Abstract: En | Text: En | PDF: En

ABSTRACT: Common bean is a worldwide important crop. The development of varieties with durable resistance to diseases is a major challenge in common bean breeding. The present study aimed at evaluating the phenotypic and molecular selection of anthracnose resistance in a population obtained by assisted backcrossing from IAC Formoso (resistant, donor parent) × BRS Pérola (susceptible, recurrent parent). Nine microsatellites (SSRs) and one Sequence Tagged Sites (STS) markers previously linked to ANT resistance were used to genotype this progeny, and the results showed that the selection of the genotypes closest to the donor parent in the BC1F1 population decreased the number of backcrossing cycles necessary to obtain advanced isogenic lines, potentiating the use of this tool for early selection of resistant cultivars. A total of 31 % of the BC1F1 progeny was selected and backcrossed again. The progeny derived from the second backcross (BC2F3) was selected for the Carioca grain ideotype, and 42 % of the genotypes showed high resistance to anthracnose under controlled conditions of infection for races 65 and 81. Superior resistant plants were selected and evaluated under natural conditions of infection to fusarium wilt and angular leaf spot, allowing the selection of two inbred lines with higher resistance to anthracnose, fusarium wilt, angular leaf spot and postharvest quality traits such as yield, 100 seed weight, L value at seed harvest grain darkening and cooking time. The approach outlined in this paper proved to be effective to simultaneously select for disease resistance without losing technological quality aspects of the bean.

https://doi.org/10.1590/1678-992x-2020-0233 260 downloads

10.

First-degree Atrioventricular Block as an Early Marker of Advanced Disease of the Conduction System in a Patient with Hereditary Val142Ile Cardiac Amyloidosis
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Nunes, Nágela S. V.

; Mesquita, Evandro Tinoco

; Mesquita, Claudio Tinoco

; Benchimol-Barbosa, Paulo Roberto

International Journal of Cardiovascular Sciences

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2022, N. ahead

Abstract: En | Text: En | PDF: En

https://doi.org/10.36660/ijcs.20210081

11.

Association mapping for common bacterial blight in carioca beans
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Barbosa, Caio Cesar Ferrari

; Paulino, Jean Fausto Carvalho

; Almeida, Caléo Panhoca

; Carbonell, Sérgio Augusto Morais

; Chiorato, Alisson Fernando

; Benchimol-Reis, Luciana Lasry

Crop Breeding and Applied Biotechnology

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2022, Volume 22 N. 3 elocation e41712239

Abstract: En | Text: En | PDF: En

Abstract Common bacterial blight (CBB) is an important disease in Phaseolus vulgaris L. A carioca diversity panel (CDP) composed of 149 cultivars of common bean was genotyped with 1,616 SNPs and evaluated for Xanthomonas phaseoli pv. phaseoli (Xap) resistance aiming to identify QTLs. Phenotypic evaluation was done in controlled conditions. The plants displayed in a randomized block design, with 3 replications were evaluated ten days after inoculation. GWAS analysis using the BLINK model identified one SNP on chromosome Pv07, with a different genomic location in relation to previous studies. Considering a confidence interval of 100 kb, gene annotation identified 13 candidate genes related to defense-associated genes, and their key functional motives were discussed. The marker identified may constitute an important resource for future marker assisted CBB resistance breeding.

https://doi.org/10.1590/1984-70332022v22n3a32

12.

Learning and teaching ophthalmology in the pandemic
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Martins, Thiago Gonçalves dos Santos

; Benchimol, Gabriel Lima

; Gameiro, Gustavo Rosa

; Schor, Paulo

einstein (São Paulo)

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2022, Volume 20 elocation eCE6988

Abstract: En | Text: En | PDF: En

https://doi.org/10.31744/einstein_journal/2022ce6988

13.

Quercetin as a nephroprotector after warm ischemia: histomorphometric evaluation in a rodent model
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Gonçalves, Gabriela F. Buys

; Silva, Maria Eduarda M.

; Sampaio, Francisco J. B.

; Pereira-Sampaio, Marco A.

; Souza, Diogo Benchimol de

International braz j urol

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aug 2021, Volume 47 N. 4 Pages 796 - 802

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To quantitatively evaluate the possible long-term protective effects of quercetin during renal warm ischemia. Materials and Methods: Male rats were allocated into 4 groups: sham (S), sham quercetin (SQ), ischemia (I), and ischemia quercetin (IQ). Groups SQ and IQ received quercetin (50mg/kg) before and after surgery. Groups I and IQ had their left renal vessels clamped for 60 minutes. All animals were euthanized four weeks after the procedure, and serum urea and creatinine levels were measured. Renal weight and volume, cortex-non-cortex area ratio (C-NC), cortical volume (CV), glomerular volumetric density (Vv[glom]), volume-weighted glomerular volume (VWGV) and number of glomeruli per kidney (N[glom]) were evaluated by stereological methods. Results were considered statistically significant when p <0.05. Results: Serum urea levels in group I increased by 10.4% in relation to group S, but no differences were observed among the other groups. The C-NC of group I was lower than those of all other groups, and group IQ had similar results to sham groups. The Vv[glom] and N[glom] of group I were lower than those of group S (33.7% and 28.3%, respectively) and group IQ had no significant difference compared to the S group. Conclusions: Quercetin was effective as a nephroprotective agent in preventing the glomerular loss observed when the kidney was subjected to warm ischemia. This suggests that this flavonoid may be used preventively in kidney surgery, when warm ischemia is necessary, such as partial nephrectomy.

https://doi.org/10.1590/s1677-5538.ibju.2020.0358 95 downloads

14.

Histomorphometric comparison of the corpus cavernosum of rats submitted to euthanasia with ketamine and xylazine or isoflurane
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Procópio, Isabella Mendes

; Pereira-Sampaio, Marco Aurélio

; Costa, Waldemar Silva

; Sampaio, Francisco José Barcellos

; Souza, Diogo Benchimol de

Acta Cirúrgica Brasileira

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2021, Volume 36 N. 11 elocation e361103

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To compare the penile histoarchitecture of rats euthanized with isoflurane or with ketamine and xylazine. Methods: Fourteen male rats were divided into two groups: ISO, with animals euthanized with isoflurane; and K+X, with animals euthanized with ketamine (150 mg/kg) associated with xylazine (15 mg/kg). Immediately after the death, the penises were dissected, fixed in a 4% buffered formalin solution, and processed for histomorphometric analysis. The surface densities (Sv) of the corpus cavernosum structures (connective tissue, smooth muscle, sinusoidal space, and elastic fibers) were evaluated using Image J software. The distribution of collagen types I and III was qualitatively assessed. Statistical analyses were performed using the Student’s t test for data comparison, considering it statistically significant when p < 0.05. Results: Regarding the Sv of connective tissue, smooth muscle and sinusoidal space, there were no differences between animals in both groups. On the other hand, the animals euthanized with the association of ketamine and xylazine showed the Sv of elastic fibers 24.8% higher in relation to animals euthanized with isoflurane. Conclusions: The euthanasia method affected one of the morphological parameters of the rat penises. The choice of euthanasia method must be standardized to reduce bias and to obtain reliable and reproducible results.

https://doi.org/10.1590/acb361103 1 downloads

15.

Does treatment with dutasteride or finasteride has impact on renal morphology? Experimental study
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Silva, Marcello Henrique Araújo da

; Estrada, João Henrique Duque

; Gregório, Bianca Martins

; Sampaio, Francisco José Barcellos

; Souza, Diogo Benchimol de

Acta Cirúrgica Brasileira

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2021, Volume 36 N. 7 elocation e360703

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To investigate whether renal modifications occur following treatment with dutasteride or finasteride. Methods: Twenty-four male rats were divided into three groups: control (that received distilled water), dutasteride (0.5 mg/kg/day), and finasteride (5 mg/kg/day) groups. All administrations were given by gavage for 40 consecutive days. After inducing euthanasia, blood was collected for urea and creatinine analyses, and both the kidneys were collected for stereological analyses of kidney morphology. Results: Serum urea and creatinine levels were increased in both the finasteride and the dutasteride groups compared with those in the control group. In addition, kidney weight, kidney volume, cortical volume, glomerular volumetric density, and mean glomerular volume were reduced in both treatment groups. Finally, the number of glomeruli per kidney was reduced by 26.8% in the finasteride group and by 51.6% in the dutasteride group compared with that in the control group. Conclusions: The 5-ARIs finasteride and dutasteride promoted morphological and functional damages in rat kidneys. In addition, rats in the dutasteride group showed more severe renal modifications than those in the finasteride group.

https://doi.org/10.1590/acb360703 168 downloads

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