RESUMO O objetivo deste estudo foi identificar as fases de plastocrono em cultivares de soja com hábito de crescimento determinado e indeterminado. Os experimentos foram conduzidos no período de 2010/2011 a 2022/2023 em quatro locais do estado do Rio Grande do Sul, Brasil, com 25 cultivares de soja com hábito de crescimento determinado (6) e indeterminado (19). Este estudo buscou dividir o plastocrono em fases durante o período de emissão de nós da soja. Em cultivares irrigadas de hábito de crescimento determinado, o plastocrono apresenta duas fases, a fase inicial de 59,7 °C dia nó-1 e a fase final de 65,7 °C dia nó-1. Em ambientes não irrigados, não há diferença entre as fases inicial e final do plastocrono. As cultivares de hábito de crescimento indeterminado com irrigação apresentam um plastocrono médio inicial e final de 64,1 °C dia nó-1, ao contrário da fase intermediária onde o plastocrono é de 58,5 °C dia nó-1. Em ambientes de sequeiro, as fases inicial e intermédia têm um valor médio de 60,6 °C dia nó-1, ao contrário da fase final com um plastocrono de 79,4 °C dia nó-1. A divisão do plastocrono em fases durante o período de emissão de nós na cultura da soja, proposta neste estudo, permite-nos melhorar o entendimento do desenvolvimento vegetativo de cultivares de soja de hábito de crescimento determinado e indeterminado e estabelecer bases ecofisiológicas para a construção de uma função cronológica. 20102011 2010 2011 2010/201 20222023 2022 2023 2022/202 Sul Brasil 2 6 (6 19. 19 . (19) 597 59 7 59, C nó1 nó 1 nó- 657 65 65, nó1. 1. irrigados 641 64 64, nó1, 1, 585 58 5 58, sequeiro 606 60 60, 794 79 4 79, permitenos permite nos cronológica 2010201 201 2010/20 2022202 202 2022/20 ( (19 201020 20 2010/2 202220 2022/2 (1 20102 2010/ 20222 2022/

ABSTRACT The aim of this study was to identify plastochron phases in soybean cultivars with determinate and indeterminate growth habits. Experiments were conducted from 2010/2011 to 2022/2023 at four locations in Rio Grande do Sul state (RS), Brazil, using 25 soybean cultivars with determinate (6) and indeterminate (19) growth habits. This study divided the plastochron into phases during the soybean node emission stage. In irrigated cultivars with a determinate growth habit, the plastochron has an early and late phase of 59.7 and 65.7 °C day node-1, respectively. In rainfed (non-irrigated) environments, there is no difference between the early and late plastochron phases. The early and late plastochrons of irrigated cultivars with an indeterminate growth habit are 64.1 °C day node-1, while the intermediate phase is 58.5 °C day node-1. In rainfed environments, the average value of the early and intermediate phases is 60.6 °C day node-1, with a late plastochron of 79.4 °C day node-1. Dividing the plastochron into phases during node emission, as proposed in this study, improves understanding of vegetative development in soybean cultivars with determinate and indeterminate growth habits and establishes ecophysiological foundations for chronological function construction. 20102011 2010 2011 2010/201 20222023 2022 2023 2022/202 RS, RS , (RS) Brazil 2 6 (6 19 (19 stage 597 59 7 59. 657 65 65. C node1, node1 1, 1 node-1 respectively nonirrigated non (non-irrigated environments 641 64 64. 585 58 5 58. node1. 1. 606 60 60. 794 79 4 79. construction 2010201 201 2010/20 2022202 202 2022/20 (RS ( (1 node- 201020 20 2010/2 202220 2022/2 20102 2010/ 20222 2022/

ABSTRACT Purpose: Statins are one of the most prescribed classes of drugs worldwide to treat hypercholesterolemia and dyslipidemia. By lowering the level of cholesterol, the use of statin could cause a reduction in testosterone levels. The objective was to evaluate whether the continued use of statins in patients with hypercholesterolemia causes a deficiency in testosterone and other sex hormones. Materials and Methods: Systematic Review with Meta-analysis, performed in Embase, Medline and Cochrane databases, until May 2023; PROSPERO CRD42021270424protocol. Selection performed by two independent authors with subsequent conference in stages. Methodology based on PRISMA statement. There were selected comparative studies, prospective cohorts (CP), randomized clinical trials (RCT) and cross-sectional studies (CSS) with comparison of testosterone levels before and after statin administration and between groups. Bias analysis were evaluated with Cochrane Tool, The Newcastle-Ottawa Scale (NOS), and using the Assess the Quality of Cross-sectional studies (AXIS) tool. Results: There were found on MedLine, Embase and Cochrane, after selected comparative studies, 10CP and 6RCT and 6CSS for the meta-analysis. In the Forrest plot with 6CSS, a correlation between patients with continuous use of statins and a reduction in total testosterone was evidenced with a statistically significant reduction of 55.02ng/dL (95%CI=[39.40,70.64],I²=91%,p<0.00001). In the analysis with 5RCT, a reduction in the mean total testosterone in patients who started continuous statin use was evidenced, with a statistical significance of 13.12ng/dL (95%CI=[1.16,25.08],I²=0%,p=0.03). Furthermore, the analysis of all prospective studies with 15 articles showed a statistically significant reduction in the mean total testosterone of 9.11 ng/dL (95%CI=[0.16,18.06],I²=37%,p=0.04). A reduction in total testosterone has been shown in most studies and in its accumulated analysis after statin use. However, this decrease was not enough to reach levels below normal. Conclusion: Statins use causes a decrease in total testosterone, not enough to cause a drop below the normal range and also determines increase in FSH levels. No differences were found in LH, Estradiol, SHBG and Free Testosterone analysis. Purpose dyslipidemia cholesterol hormones Methods Metaanalysis, Metaanalysis Meta analysis, Meta-analysis databases 2023 CRD42021270424protocol CRDprotocol CRD protocol stages statement CP, CP , (CP) RCT (RCT crosssectional cross sectional CSS (CSS groups Tool NewcastleOttawa Newcastle Ottawa NOS, NOS (NOS) Crosssectional Cross AXIS (AXIS tool Results MedLine metaanalysis. metaanalysis meta meta-analysis 5502ngdL ngdL 55 02ng dL ng 95%CI=39.40,70.64,I²=91%,p<0.00001. 95CI39407064I²91p000001 CIIp 95%CI= 39.40,70.64 ,I²=91%,p<0.00001 . 95 CI 39 40 70 64 I² 91 p 0 00001 I (95%CI=[39.40,70.64],I²=91%,p<0.00001) 5RCT 1312ngdL 13 12ng 95%CI=1.16,25.08,I²=0%,p=0.03. 95CI1162508I²0p003 1.16,25.08 ,I²=0%,p=0.03 1 16 25 08 03 (95%CI=[1.16,25.08],I²=0%,p=0.03) Furthermore 911 9 11 9.1 95%CI=0.16,18.06,I²=37%,p=0.04. 95CI0161806I²37p004 0.16,18.06 ,I²=37%,p=0.04 18 06 37 04 (95%CI=[0.16,18.06],I²=37%,p=0.04) However Conclusion LH Estradiol 202 (CP (NOS 5 95%CI=39.40,70.64,I²=91%,p<0.00001 95CI39407064I²91p00000 95CI 95%CI 39407064 39.40,70.6 I²91p000001 Ip ,I²=91%,p<0.0000 3 4 7 6 0000 (95%CI=[39.40,70.64],I²=91%,p<0.00001 95%CI=1.16,25.08,I²=0%,p=0.03 95CI1162508I²0p00 1162508 1.16,25.0 I²0p003 ,I²=0%,p=0.0 2 (95%CI=[1.16,25.08],I²=0%,p=0.03 9. 95%CI=0.16,18.06,I²=37%,p=0.04 95CI0161806I²37p00 0161806 0.16,18.0 I²37p004 ,I²=37%,p=0.0 (95%CI=[0.16,18.06],I²=37%,p=0.04 20 95%CI=39.40,70.64,I²=91%,p<0.0000 95CI39407064I²91p0000 3940706 39.40,70. I²91p00000 ,I²=91%,p<0.000 000 (95%CI=[39.40,70.64],I²=91%,p<0.0000 95%CI=1.16,25.08,I²=0%,p=0.0 95CI1162508I²0p0 116250 1.16,25. I²0p00 ,I²=0%,p=0. (95%CI=[1.16,25.08],I²=0%,p=0.0 95%CI=0.16,18.06,I²=37%,p=0.0 95CI0161806I²37p0 016180 0.16,18. I²37p00 ,I²=37%,p=0. (95%CI=[0.16,18.06],I²=37%,p=0.0 95%CI=39.40,70.64,I²=91%,p<0.000 95CI39407064I²91p000 394070 39.40,70 I²91p0000 ,I²=91%,p<0.00 00 (95%CI=[39.40,70.64],I²=91%,p<0.000 95%CI=1.16,25.08,I²=0%,p=0. 95CI1162508I²0p 11625 1.16,25 I²0p0 ,I²=0%,p=0 (95%CI=[1.16,25.08],I²=0%,p=0. 95%CI=0.16,18.06,I²=37%,p=0. 95CI0161806I²37p 01618 0.16,18 I²37p0 ,I²=37%,p=0 (95%CI=[0.16,18.06],I²=37%,p=0. 95%CI=39.40,70.64,I²=91%,p<0.00 95CI39407064I²91p00 39407 39.40,7 I²91p000 ,I²=91%,p<0.0 (95%CI=[39.40,70.64],I²=91%,p<0.00 95%CI=1.16,25.08,I²=0%,p=0 1162 1.16,2 I²0p ,I²=0%,p= (95%CI=[1.16,25.08],I²=0%,p=0 95%CI=0.16,18.06,I²=37%,p=0 0161 0.16,1 I²37p ,I²=37%,p= (95%CI=[0.16,18.06],I²=37%,p=0 95%CI=39.40,70.64,I²=91%,p<0.0 95CI39407064I²91p0 3940 39.40, I²91p00 ,I²=91%,p<0. (95%CI=[39.40,70.64],I²=91%,p<0.0 95%CI=1.16,25.08,I²=0%,p= 116 1.16, ,I²=0%,p (95%CI=[1.16,25.08],I²=0%,p= 95%CI=0.16,18.06,I²=37%,p= 016 0.16, ,I²=37%,p (95%CI=[0.16,18.06],I²=37%,p= 95%CI=39.40,70.64,I²=91%,p<0. 95CI39407064I²91p 394 39.40 I²91p0 ,I²=91%,p<0 (95%CI=[39.40,70.64],I²=91%,p<0. 95%CI=1.16,25.08,I²=0%,p 1.16 (95%CI=[1.16,25.08],I²=0%,p 95%CI=0.16,18.06,I²=37%,p 01 0.16 (95%CI=[0.16,18.06],I²=37%,p 95%CI=39.40,70.64,I²=91%,p<0 39.4 I²91p ,I²=91%,p< (95%CI=[39.40,70.64],I²=91%,p<0 1.1 0.1 95%CI=39.40,70.64,I²=91%,p< 39. ,I²=91%,p (95%CI=[39.40,70.64],I²=91%,p< 1. 0. 95%CI=39.40,70.64,I²=91%,p (95%CI=[39.40,70.64],I²=91%,p

RESUMEN Latinoamérica presenta una alta prevalencia de infección por Helicobacter pylori (Hp). Entre 1996-2003 la prevalencia en Santiago de Chile fue del 70%; estudios recientes presentan una disminución en esta infección. Actualizar la frecuencia de Hp es fundamental debido a su impacto en la salud asociado. Objetivo: Nuestro objetivo fue describir la tendencia de la infección por Hp en pacientes que asisten a endoscopía digestiva alta (EDA) ambulatoria en una población chilena. Materiales y métodos: Se realizó un estudio observacional retrospectivo de pacientes mayores de 18 años que asistieron a una primera EDA con test rápido de ureasa entre 2010-2020. La tendencia en el tiempo fue descrita mediante análisis de series de tiempo. Se construyó un modelo Poisson para estimar el riesgo de infección, ajustado por edad y sexo. Resultados: Se incluyeron 11 355 pacientes [66,9% mujeres; edad media 52 años; Hp 41,6%]. El sexo masculino presentó una mayor frecuencia de infección por Hp [RR 1,13; (IC95%:1,08-1,18)]. La frecuencia de Hp disminuyó significativamente desde 45,1% en 2010 hasta 29% en 2020, con 36% menor probabilidad de presentar infección por Hp en 2020 con respecto al 2010 [RR 0,64; (IC95%:0,55-0,74)]. Se proyectó un descenso progresivo en la tendencia de infección por Hp hasta valores cercanos al 25% para el año 2025. Conclusión: Se observó una reducción significativa en la infección por Hp entre los años 2010-2020. Esta disminución pudiese ser explicada mediante la incorporación de políticas públicas de salud en la última década asociadas a cambios sociosanitarios.

ABSTRACT Latin America presents a high prevalence of Helicobacter pylori (Hp) infection. Between 1996-2003, the prevalence in Santiago, Chile, was 70%; recent studies indicate a decrease in this infection. Updating the frequency of Hp is crucial due to its associated health impact. Objective: Our objective was to describe the trend in Hp infection in patients undergoing ambulatory esophagogastroduodenoscopy (EGD) in a Chilean population. Materials and methods: A retrospective observational study was conducted on patients over 18 years old who attended a first EGD with a rapid urease test between 2010-2020. Time trends were described through time series analysis. A Poisson model was constructed to estimate the risk of infection, adjusted for age and gender. Results: 11,355 patients were included [66.9% females; mean age 52 years; Hp 41.6%]. Male gender presented a higher frequency of Hp infection [RR 1.13; (95% CI: 1.08-1.18)]. Hp frequency infection decreased significantly from 45.1% in 2010 to 29% in 2020, with a 36% lower probability of Hp infection in 2020 compared to 2010 [RR 0.64; (95% CI: 0.55-0.74)]. A progressive decline in Hp infection trend was projected, reaching values close to 25% by year 2025. Conclusion: A significant reduction in Hp infection was observed between 2010-2020. This decrease could be explained by the implementation of public health policies in the last decade associated with socio-sanitary changes.

Abstract Among the potential feed additives, β-glucans are known to positively affect the growth performance, blood parameters, and intestinal microbiota of fish, even the ornamental species. Therefore, the present study evaluated the effects of the dietary supplementation of different Saccharomyces cerevisiae β-glucans concentrations (0, 0.05, 0.1, and 0.2%) in juvenile angelfish (Pterophyllum scalare) over a 42-day period. Regarding growth performance, no effects were observed on most parameters. However, 0.2% β-glucans supplementation produced higher condition factor values, indicating a better nutritional status. Furthermore, β-glucans supplementation did not affect blood parameters. Regarding intestinal microbiota, β-glucans supplementation increased the abundance of the potentially beneficial bacterial genus Phascolarctobacterium. The high abundance of bacteria from the phylum Bacteroidetes, which can degrade β-glucans, may be attributed to the increased abundance of Phascolarctobacterium spp. In addition, 0.2% β-glucans supplementation produced more operational taxonomic units and higher Sobs (observed species richness), indicating effects on the overall bacterial community structure. These results demonstrate the potential application of β-glucans as a dietary supplement to improve the performance and modulate the intestinal microbiota of angelfish. additives βglucans β glucans parameters fish Therefore 0, 0 (0 005 05 0.05 01 1 0.1 02 2 Pterophyllum scalare 42day day 42 period However 0.2 values status Furthermore Bacteroidetes βglucans, glucans, spp addition richness, richness , richness) structure ( 00 0.0 0. 4

Abstract The disease coronavirus COVID-19 has been the cause of millions of deaths worldwide. Among the proteins of SARS-CoV-2, non-structural protein 12 (NSP12) plays a key role during COVID infection and is part of the RNA-dependent RNA polymerase complex. The monitoring of NSP12 polymorphisms is extremely important for the design of new antiviral drugs and monitoring of viral evolution. This study analyzed the NSP12 mutations detected in circulating SARS-CoV-2 during the years 2020 to 2022 in the population of the city of Manaus, Amazonas, Brazil. The most frequent mutations found were P323L and G671S. Reports in the literature indicate that these mutations are related to transmissibility efficiency, which may have contributed to the extremely high numbers of cases in this location. In addition, two mutations described here (E796D and R914K) are close and have RMSD that is similar to the mutations M794V and N911K, which have been described in the literature as influential on the performance of the NSP12 enzyme. These data demonstrate the need to monitor the emergence of new mutations in NSP12 in order to better understand their consequences for the treatments currently used and in the design of new drugs. COVID19 19 COVID-1 worldwide SARSCoV2, SARSCoV2 SARSCoV SARS CoV 2, 2 nonstructural non structural 1 NSP (NSP12 RNAdependent dependent complex NSP1 evolution SARS-CoV- 202 Manaus Amazonas Brazil PL P L G671S GS G S efficiency location addition E796D ED E D R914K RK R K MV M V N911K NK N enzyme COVID1 COVID- (NSP1 SARS-CoV 20 (NSP

Abstract This study evaluated the nutritional and productive performance of Nellore purebred heifers and crossbred Brangus x Nellore (BGNE) and Braford x Nellore (BFNE) in a feedlot system. Thirty heifers (10 of each genetic group) with an average age of 18 months and an initial body weight of 261 kg were used. The experiment was structured and conducted according to a completely randomized design, with three treatments. Heifers received two diets (60 days each) during the experimental period. The experiment lasted 120 days with four experimental periods. Nellore heifers had a lower intake than crossbred heifers (P <0.05). There were no differences between BGNE and BFNE heifers, which had higher final body weight, average daily gain, feed efficiency, hot carcass weight and carcass length than NE heifers. Crossed heifers presented better fat cover than NE heifers. However, NE heifers had higher carcass dressing Despite presenting lower carcass yields than Nellore heifers, crossed heifers are more efficient and have higher performance and better fat cover on the carcass than purebred Nellore heifers. Crossbreeding synthetic breeds, such as Brangus and Braford breeds, with the Nellore breed is an effective way to increase the productivity and efficiency of feedlot heifers in tropical regions. (BGNE (BFNE system 10 (1 group 1 26 used design treatments 60 (6 period 12 periods P <0.05. 005 <0.05 . 0 05 <0.05) gain However breeds regions ( 2 6 00 <0.0 <0. <0 <

ABSTRACT Objective: To present the retrieval and analysis of clinical data from anamneses in the. Electronic Health Record (EHR), referred to in this research as Interface Terminology. Methods: The clinical data collection process in this research was carried out on electronic patient records from a private hospital. The data sample consisted of 18,256 anamneses from the field of gynecology in 2018. The clinical data was retrieved through Natural Language Processing using the Python language. The most frequent terms related to clinical data were analysed, such as abbreviations and acronyms, stop words, procedures, and n-grams. Results: Clinical data has the potential to be reused for scientific production, epidemiological profiling and in the creation of dictionaries and enrichment of controlled vocabularies for PEP and other health information systems. They are also important in defining algorithms for information retrieval. As a result, a repository was created in the OSF (https://osf.io/de43a/) containing spreadsheets and tables with clinical data for reuse in the delimitation of algorithms, as well as the creation of a word cloud to identify the most frequent terms in electronic patient records in the field of Gynecology. The algorithms used to retrieve the information were made available on the GitHub digital repository. Conclusions: Clinical data is information about the patient, used for care purposes, hospital administrative issues, allowing research related to the patient's health and illness. The Interface Terminology, exemplified in the research hospital's EHR, presented a diversity of clinical data in the anamneses. Objective EHR , (EHR) Terminology Methods 18256 18 256 18,25 2018 language analysed acronyms words procedures ngrams. ngrams n grams. grams n-grams Results production systems result https//osf.io/de43a/ httpsosfiode43a httpsosfiodea https //osf.io/de43a/ osf io de43a de (https://osf.io/de43a/ Gynecology Conclusions purposes issues patients s illness hospitals (EHR 1825 1 25 18,2 201 https//osf.io/de43a httpsosfiode osfiode43a osfiodea //osf.io/de43a dea (https://osf.io/de43a 182 2 18, 20 osfiode

RESUMO Objetivo: Apresentar a recuperação e análise de dados clínicos provenientes de anamnese de Prontuário Eletrônico de Pacientes (PEP), denominada nesta pesquisa como Terminologia de Interface Método: O processo de coleta de dados clínicos desta pesquisa foi realizado em prontuários eletrônicos de pacientes de hospital privado. A amostra dos dados foi composta por 18.256 anamneses do domínio da ginecologia do ano de 2018. Os dados clínicos foram recuperados por meio de Processamento de Linguagem Natural utilizando a linguagem Python. Foram analisados os termos mais frequentes relacionados aos dados clínicos do tipo: abreviaturas e siglas, stop words, procedimento e n-gramas. Resultados: Os dados clínicos têm potencial de reutilização para produção científica, traçar perfil epidemiológico e na criação de dicionários e enriquecimento de vocabulários controlados para o PEP e outros sistemas de informação em saúde. Além disso são importantes na delimitação de algoritmos para fins de recuperação da informação. Como resultados um repositório foi criado no OSF (https://osf.io/de43a/) contendo planilhas e tabelas com os dados clínicos para seu reuso na delimitação de algoritmos além da criação de nuvem de palavras para identificar os termos mais frequentes em prontuários eletrônicos do paciente no domínio da Ginecologia. Os algoritmos utilizados na recuperação da informação foram disponibilizados no repositório digital GitHub. Conclusões: Os dados clínicos são informações sobre o paciente, utilizados para fins de assistência, questões administrativas hospitalares, permitindo pesquisas relacionadas à saúde e à doença do paciente. A Terminologia de Interface, exemplificada no PEP dos Hospital da pesquisa, apresentou diversidade de dados clínicos nas anamneses. Objetivo PEP, , (PEP) Método privado 18256 18 256 18.25 2018 Python tipo siglas words ngramas. ngramas n gramas. gramas n-gramas Resultados científica https//osf.io/de43a/ httpsosfiode43a httpsosfiodea https //osf.io/de43a/ osf io de43a (https://osf.io/de43a/ Ginecologia GitHub Conclusões assistência hospitalares (PEP 1825 1 25 18.2 201 https//osf.io/de43a httpsosfiode osfiode43a osfiodea //osf.io/de43a dea (https://osf.io/de43a 182 2 18. 20 osfiode

Abstract Rendu-Osler-Weber syndrome, also known as hereditary hemorrhagic telangiectasia, is an autosomal dominant hereditary disorder. It is characterized by presence of multiple arteriovenous malformations (AVMs) and telangiectasias. This article reports two cases of patients with Rendu-Osler-Weber syndrome who had pulmonary AVMs and underwent successful endovascular treatment. A brief review of the literature shows that up to 50% of patients with the syndrome have pulmonary AVMs and there is usually a positive family history in these patients. These pulmonary AVMs are multiple in 30% of cases and are associated with the most severe disease complications. Most patients are asymptomatic, even in the presence of AVMs with right-left shunts. When these shunts exceed 25% of the total blood volume, dyspnea, cyanosis, digital clubbing, and extracardiac murmurs may occur. Endovascular treatment is safe and offers control of complications from hereditary hemorrhagic telangiectasia and is currently the treatment of choice for these lesions. RenduOslerWeber Rendu Osler Weber disorder (AVMs telangiectasias 50 30 asymptomatic rightleft right left 25 volume dyspnea cyanosis clubbing occur lesions 5 3 2

Resumo A síndrome de Rendu-Osler-Weber, também conhecida como telangiectasia hemorrágica hereditária, é uma doença hereditária autossômica dominante. Ela é caracterizada pela presença de múltiplas malformações arteriovenosas e telangiectasias. Este artigo relata dois casos de pacientes com síndrome de Rendu-Osler-Weber que apresentaram malformações arteriovenosas pulmonares e foram submetidos a tratamento endovascular com sucesso. Uma breve revisão da literatura mostra que até 50% dos pacientes com a síndrome têm malformações arteriovenosas pulmonares e geralmente há um histórico familiar positivo nesses pacientes. Em 30% dos casos, elas são múltiplas e estão associadas a complicações mais graves da doença. A maioria dos pacientes é assintomática, mesmo na presença de malformações arteriovenosas com shunt direito-esquerdo. Quando esses shunts excedem 25% do volume total de sangue, podem surgir dispneia, cianose, baqueteamento digital e sopros extracardíacos. O tratamento endovascular oferece segurança e controle das complicações da telangiectasia hemorrágica hereditária, sendo atualmente o tratamento de escolha para essas lesões. RenduOslerWeber, RenduOslerWeber Rendu Osler Weber, Weber dominante telangiectasias sucesso 50 30 assintomática direitoesquerdo. direitoesquerdo direito esquerdo. esquerdo direito-esquerdo 25 sangue dispneia cianose extracardíacos lesões 5 3 2

Abstract Background: Mammary gland tumors are the most prevalent neoplasm in intact female dogs, and they are good natural models to study comparative oncology. Most canine mammary malignancies, as in women, are commonly refractory to conventional therapies and demand continuous new therapeutic approaches. Crotalus durissus terrificus, also called rattlesnake, has more than 60 different proteins in its venom with multiple pharmaceutical uses, such as antitumor, antiviral, and antimicrobial action. Crotoxin, a potent β-neurotoxin formed by the junction of two subunits, a basic subunit (CB-PLA2) and an acidic subunit (crotapotin), has already been reported to have anticancer properties in different types of cancers. Methods: In this work, we describe the cytotoxic potential of crotoxin and its subunits compared to doxorubicin (drug of choice) in two canine mammary carcinoma cell lines. Results: Crotoxin, CB-PLA2, crotalic venom, and doxorubicin decreased cell viability and the ability to migrate in a dose-dependent manner, and crotapotin did not present an antitumoral effect. For all compounds, the predominant cell death mechanism was apoptosis. In addition, crotoxin did not show toxicity in normal canine mammary gland cells. Conclusion: Therefore, this work showed that crotoxin and CB-PLA2 had cytotoxic activity, migration inhibition, and pro-apoptotic potential in canine mammary gland carcinoma cell lines, making their possible use in cancer research. Background dogs oncology malignancies women approaches terrificus rattlesnake 6 uses antitumor antiviral action Crotoxin βneurotoxin β neurotoxin CBPLA2 CBPLA CB PLA2 PLA (CB-PLA2 crotapotin, , (crotapotin) cancers Methods drug choice lines Results CBPLA2, PLA2, dosedependent dose dependent manner effect compounds apoptosis addition cells Conclusion Therefore CB-PLA activity inhibition proapoptotic pro apoptotic research (CB-PLA (crotapotin

Abstract Introduction Jet aircraft pilots are exposed to huge pressure variation during flight, which affect physiological functions as systems, such as the respiratory system. Objectives The objective of the present investigation was to evaluate inflammatory changes of paranasal sinuses of jet aircraft pilots before and after a jet aircraft training program, using multislice computed tomography (CT), in comparison with a group of nonairborne individuals with the same age, sex, and physical health conditions. A second objective of the present study was to assess the association between the ostiomeatal complex obstruction and its anatomical variations. Methods The study group consisted of 15 jet aircraft pilots participating in the training program. The control group consisted of 41 nonairborne young adults. The 15 fighter pilots were evaluated before initiating the training program and after their final approval for the presence of inflammatory paranasal sinus disease. The ostiomeatal complex anatomical variations and obstructions were analyzed in pilots after the training program. Results Jet aircraft pilots presented higher incidence of mucosal thickening in maxillary sinus and anterior ethmoid cells than controls. Prominent ethmoidal bulla showed significant association with obstruction of the osteomeatal complex. Conclusions Jet aircraft pilots present increased inflammatory disease when compared with nonairborne individuals. The presence of a prominent ethmoidal bulla is associated with ostiomeatal complex obstruction. flight systems system CT, CT , (CT) age sex conditions 1 4 adults controls (CT

Abstract Objective: To compare the dopamine transporter (DAT) density with other risk factors for L-DOPA-induced dyskinesia (LID) in patients with Parkinson’s disease (PD), with and without LID. Materials and Methods: We evaluated 67 subjects: 44 patients with idiopathic PD of varying degrees of severity (PD group), and 23 healthy age-matched volunteers (control group). Among the 44 patients in the PD group, 29 were male and the following means were recorded at baseline: age, 59 ± 7 years; disease duration, 10 ± 6 years; Hoehn and Yahr (H&Y) stage, 2.16 ± 0.65; and Unified Parkinson’s Disease Rating Scale part III (UPDRS III) score, 29.74 ± 17.79. All subjects underwent 99mTc-TRODAT-1 SPECT. We also calculated specific uptake ratios or binding potentials in the striatum. Results: The DAT density in the ipsilateral and contralateral striata was lower in the PD group. The variables disease duration, L-DOPA dosage, doses per day, L-DOPA effect duration time, H&Y stage, and UPDRS III score explained the occurrence of LID. The DAT density in the ipsilateral striatum, contralateral striatum, and caudate nucleus was lower in the patients with LID than in those without. Conclusion: Our findings suggest that presynaptic dopaminergic denervation is associated with LID in individuals with PD. Objective (DAT LDOPAinduced L DOPA induced (LID Parkinsons Parkinson s PD, , (PD) Methods 4 group group) 2 agematched age matched control . baseline 5 years 1 HY H Y (H&Y stage 216 16 2.1 0.65 065 0 65 2974 74 29.7 1779 17 79 17.79 99mTcTRODAT1 mTcTRODAT 99mTc TRODAT mTc 99mTc-TRODAT- SPECT striatum Results LDOPA dosage day time Conclusion 21 2. 0.6 06 297 29. 177 17.7 99mTcTRODAT 99mTc-TRODAT 0. 17.

Resumo Objetivo: Comparar a densidade do transportador de dopamina (DAT) com outros fatores de risco para discinesia induzida pela L-DOPA em pacientes com doença de Parkinson, com e sem discinesias. Materiais e Métodos: Sessenta e sete sujeitos, 23 voluntários saudáveis e 44 pacientes pareados por idade com diferentes graus de gravidade da doença de Parkinson idiopática (29 homens; idade média ± desvio-padrão (DP), 59 ± 7 anos; duração média ± DP dos sintomas, 10 ± 6 anos; H&Y: média ± DP, 2,16 ± 0,65; UPDRS III: média ± DP, 29,74 ± 17,79). Todos os sujeitos realizaram SPECT cerebral com 99mTc-TRODAT-1. Além disso, foram calculadas as taxas de captação específica ou potenciais de ligação no estriado. Resultados: A densidade de DAT do estriado ipsilateral ou contralateral foi menor no grupo doença de Parkinson. As variáveis duração da doença, dosagem de L-DOPA, doses por dia, tempo de duração do efeito da L-DOPA, H&Y e UPDRS III explicaram a ocorrência de discinesia. Adicionalmente, pacientes com discinesia exibiram menor densidade de DAT no estriado ipsilateral ou contralateral e no núcleo caudado do que os pacientes sem discinesia. Conclusão: O presente estudo sugere que a denervação dopaminérgica pré-sináptica na doença de Parkinson está associada ao desenvolvimento de discinesia induzida pela L-DOPA. Objetivo (DAT LDOPA L DOPA discinesias Métodos 2 4 29 (2 homens desviopadrão desvio padrão , (DP) 5 anos sintomas 1 HY H Y 216 16 2,1 0,65 065 0 65 2974 74 29,7 17,79. 1779 17,79 . 17 79 17,79) 99mTcTRODAT1. 99mTcTRODAT1 mTcTRODAT 99mTc TRODAT 1. mTc 99mTc-TRODAT-1 disso Resultados LDOPA, DOPA, dia Adicionalmente Conclusão présináptica pré sináptica LDOPA. DOPA. ( (DP 21 2, 0,6 06 297 29, 177 17,7 99mTcTRODAT 99mTc-TRODAT- 0, 17, 99mTc-TRODAT

ABSTRACT: There are limited publications about canine subcutaneous mast cell tumors (MCT). International studies have shown that subcutaneous MCT has longer survival times than cutaneous MCT, with lower recurrence and metastasis rates. In addition, subcutaneous MCT has a specific histopathological classification (circumscribed, combined, or infiltrative pattern). Our study evaluated 162 cases of subcutaneous MCT diagnosed from 2014 to 2017 in Brazil. The mean age of the animals was 8.6 years, with a predominance of females and higher incidence in dogs with mixed breed (n=40), followed by Boxer (n=20), Labrador Retriever (n=14), Golden Retriever (n=11) and Pug (n=10). Regarding histopathological characterization, the most common infiltrative pattern represented 54.3% of cases, followed by circumscribed (34.8%) and combined (11%) patterns. The mean mitotic index (MI) was 1.04, with 93.9% of cases presenting MI≤4 and 53.1% MI=0. The data found in this Brazilian study regarding subcutaneous MCT does not differ from those described in American studies, suggesting similar genetic and epidemiological factors. The evaluated proliferation indices suggest that subcutaneous MCT presents slow progression and should be evaluated as a distinct form of cutaneous MCT. ABSTRACT . (MCT) rates addition circumscribed, (circumscribed pattern. pattern) 16 201 Brazil 86 8 6 8. years n=40, n40 n n=40 , 40 (n=40) n=20, n20 n=20 20 (n=20) n=14, n14 n=14 14 (n=14) n=11 n11 11 (n=11 n=10. n10 n=10 10 (n=10) characterization 543 54 3 54.3 34.8% 348 34 (34.8% 11% (11% patterns MI (MI 104 1 04 1.04 939 93 9 93.9 MI4 4 MI≤ 531 53 53.1 MI0 0 MI=0 factors (MCT n4 n=4 (n=40 n2 n=2 2 (n=20 n1 n=1 (n=14 (n=1 (n=10 5 54. 34.8 (34.8 (11 1.0 93. 53. MI= n= (n=4 (n=2 (n= 34. (34. (1 1. (n (34 ( (3

RESUMO: Há poucas informações prognósticas sobre o mastocitoma (MCT) subcutâneo em cães, apresentando maiores tempos de sobrevida e menores taxas de recidiva e metástase em comparação ao MCT cutâneo. Além disso, o MCT subcutâneo canino segue a classificação histopatológica própria, sendo subdivididos de acordo com o padrão em: circunscrito, combinado ou infiltrativo. Sendo assim, o principal objetivo desse estudo foi caracterizar a incidência e as características histopatológicas de MCT subcutâneos no Brasil. Para isso, foram avaliadas 164 amostras de MCT subcutâneos diagnosticados entre o período de 2014 a 2017 no Brasil. A média de idade dos animais foi de 8,6 anos (variação de 3 a 20 anos), com predomínio de fêmeas (64,8%) e maior incidência em cães sem raça definida (n=40), seguido de Boxer (n=20), Labrador Retriever (n=14), Golden retriever (n=11) e Pug (n=10). Em relação a caracterização histopatológica, o padrão infiltrativo foi o mais comum representando 54,3% dos casos, seguido dos padrões circunscritos (34,8%) e combinados (11%). Quanto a contagem de mitose (CM), 93,8% dos casos apresentam CM≤4 e, em 53,1%, CM=0. Os dados encontrados nesse estudo brasileiro em relação ao MCT subcutâneo reforçam outros trabalhos realizados em diferentes regiões demográficas, sugerindo fatores genéticos e epidemiológicos para a doença. Por fim, os índices de proliferação avaliados sugerem que o MCT subcutâneo apresenta progressão lenta devendo ser avaliado como uma forma distinta do MCT cutâneo. RESUMO (MCT cutâneo disso própria circunscrito assim Brasil isso 16 201 86 8 6 8, variação 2 anos, , anos) 64,8% 648 64 (64,8% n=40, n40 n n=40 40 (n=40) n=20, n20 n=20 (n=20) n=14, n14 n=14 14 (n=14) n=11 n11 11 (n=11 n=10. n10 n=10 . 10 (n=10) 543 54 54,3 34,8% 348 34 (34,8% 11%. 11% (11%) CM, CM (CM) 938 93 93,8 CM4 4 CM≤ 531 53 1 53,1% CM0 0 CM=0 demográficas doença fim 64,8 (64,8 n4 n=4 (n=40 n2 n=2 (n=20 n1 n=1 (n=14 (n=1 (n=10 5 54, 34,8 (34,8 (11% (CM 9 93, 53,1 CM= 64, (64, n= (n=4 (n=2 (n= 34, (34, (11 53, (64 (n (34 (1 (6 (3 (

Abstract Background Chikungunya is a mosquito-borne disease caused by the chikungunya virus (CHIKV) and can lead to neurological complications in severe cases. Objective This study examined neuroimaging patterns in chikungunya cases during two outbreaks in Brazil to identify specific patterns for diagnosis and treatment of neuro-chikungunya. Methods Eight patients with confirmed chikungunya and neurological involvement were included. Clinical examinations and MRI scans were performed, and findings were analyzed by neuroradiologists. Data on age, sex, neurological symptoms, diagnostic tests, MRI findings, and clinical outcomes were recorded. Results Patients showed different neuroimaging patterns. Six patients exhibited a "clock dial pattern" with hyperintense dotted lesions in the spinal cord periphery. One patient had thickening and enhancement of anterior nerve roots. Brain MRI revealed multiple hyperintense lesions in the white matter, particularly in the medulla oblongata, in six patients. One patient had a normal brain MRI. Conclusion The "clock dial pattern" observed in spinal cord MRI may be indicative of chikungunya-related nervous system lesions. Isolated involvement of spinal cord white matter in chikungunya can help differentiate it from other viral infections. Additionally, distinct brainstem involvement in chikungunya-associated encephalitis, particularly in the rostral region, sets it apart from other arboviral infections. Recognizing these neuroimaging patterns can contribute to early diagnosis and appropriate management of neuro-chikungunya. mosquitoborne mosquito borne CHIKV (CHIKV neurochikungunya. neurochikungunya neuro chikungunya. neuro-chikungunya included performed neuroradiologists age sex symptoms tests recorded clock pattern periphery roots oblongata chikungunyarelated related infections Additionally chikungunyaassociated associated encephalitis region

Resumo Antecedentes A chikungunya é uma doença transmitida por mosquitos causada pelo vírus chikungunya (CHIKV) e pode levar a complicações neurológicas em casos graves. Objetivo Este estudo examinou padrões de neuroimagem em casos de chikungunya durante dois surtos no Brasil para identificar padrões específicos para o diagnóstico e tratamento de neurochikungunya. Métodos Oito pacientes com chikungunya confirmada e envolvimento neurológico foram incluídos. Exames clínicos e ressonâncias magnéticas (RM) foram realizados, e os achados foram analisados por neurorradiologistas. Dados sobre idade, sexo, sintomas neurológicos, testes diagnósticos, achados de RM e desfechos clínicos foram registrados. Resultados Os pacientes apresentaram diferentes padrões de neuroimagem. Seis pacientes apresentaram um "padrão de mostrador de relógio" com lesões pontilhadas hiperintensas na periferia da medula espinhal. Um paciente apresentou espessamento e realce das raízes nervosas anteriores. A RM do cérebro revelou múltiplas lesões hiperintensas na substância branca, especialmente no bulbo em seis pacientes. Um paciente apresentou uma RM cerebral normal. Conclusão O "padrão de mostrador de relógio" observado na RM da medula espinhal pode ser indicativo de lesões do sistema nervoso relacionadas à chikungunya. O envolvimento isolado da substância branca da medula espinhal na chikungunya pode ajudar a diferenciá-la de outras infecções virais. Além disso, o envolvimento distinto do tronco cerebral na encefalite associada à chikungunya, especialmente na região rostral, a distingue de outras infecções por arbovírus. O reconhecimento desses padrões de neuroimagem pode contribuir para o diagnóstico precoce e manejo adequado da neurochikungunya. CHIKV (CHIKV graves neurochikungunya incluídos (RM realizados neurorradiologistas idade sexo neurológicos diagnósticos registrados padrão relógio anteriores normal diferenciála diferenciá la virais disso rostral arbovírus

Abstract The potential of H. virginiana L. was evaluated against Candida spp. (C. albicans, C. dubliniensis, C. glabrata, C. guilliermondii, C. krusei, and C. tropicalis) and bacteria (Acinetobacter baumannii, Escherichia coli, Enterococcus faecalis, Klebsiella pneumoniae, Staphylococcus aureus, and Streptococcus mutans). Effect on murine macrophages (RAW 264.7) was also evaluated with respect to cytotoxicity and production of cytokines (IL-1β and TNF-α) and nitric oxide (NO). The most effective concentrations of the extract were determined by microdilution broth. These concentrations were analyzed on biofilms, after 5 min or 24 h exposure. Cytotoxicity was performed by MTT assay and quantification of cytokines and NO by ELISA and Griess reagent, respectively. The extract acted against the planktonic forms and provided significant reductions of all the microbial biofilms; besides, showed no cytotoxic effect, except at 100 mg/mL, after 24 h exposure. There was cytokine production; however, a modulatory effect was observed in groups exposed to lipopolysaccharide (LPS) from E. coli. NO production was similar or higher than the control group. Thus, H. virginiana L. extract showed antimicrobial and antibiofilm effects; absence of cytotoxicity for RAW 264.7; anti-inflammatory action; and potential to fight infections through the NO production. H L spp C (C albicans dubliniensis glabrata guilliermondii krusei tropicalis Acinetobacter baumannii coli faecalis pneumoniae aureus mutans. mutans . mutans) 264.7 2647 264 7 IL1β ILβ IL 1β β TNFα TNF α TNF-α NO. (NO) broth biofilms 2 exposure reagent respectively besides 10 mgmL mg mL mg/mL however LPS (LPS E group Thus effects antiinflammatory anti inflammatory action 264. 26 (NO 1

ABSTRACT Background: Driving pressure has been suggested to be the main driver of ventilator-induced lung injury and mortality in observational studies of acute respiratory distress syndrome. Whether a driving pressure-limiting strategy can improve clinical outcomes is unclear. Objective: To describe the protocol and statistical analysis plan that will be used to test whether a driving pressure-limiting strategy including positive end-expiratory pressure titration according to the best respiratory compliance and reduction in tidal volume is superior to a standard strategy involving the use of the ARDSNet low-positive end-expiratory pressure table in terms of increasing the number of ventilator-free days in patients with acute respiratory distress syndrome due to community-acquired pneumonia. Methods: The ventilator STrAtegy for coMmunIty acquired pNeumoniA (STAMINA) study is a randomized, multicenter, open-label trial that compares a driving pressure-limiting strategy to the ARDSnet low-positive end-expiratory pressure table in patients with moderate-to-severe acute respiratory distress syndrome due to community-acquired pneumonia admitted to intensive care units. We expect to recruit 500 patients from 20 Brazilian and 2 Colombian intensive care units. They will be randomized to a driving pressure-limiting strategy group or to a standard strategy using the ARDSNet low-positive end-expiratory pressure table. In the driving pressure-limiting strategy group, positive end-expiratory pressure will be titrated according to the best respiratory system compliance. Outcomes: The primary outcome is the number of ventilator-free days within 28 days. The secondary outcomes are in-hospital and intensive care unit mortality and the need for rescue therapies such as extracorporeal life support, recruitment maneuvers and inhaled nitric oxide. Conclusion: STAMINA is designed to provide evidence on whether a driving pressure-limiting strategy is superior to the ARDSNet low-positive end-expiratory pressure table strategy for increasing the number of ventilator-free days within 28 days in patients with moderate-to-severe acute respiratory distress syndrome. Here, we describe the rationale, design and status of the trial. Background ventilatorinduced induced pressurelimiting limiting unclear Objective endexpiratory end expiratory lowpositive low ventilatorfree free communityacquired community Methods (STAMINA multicenter openlabel open label moderatetosevere moderate severe units 50 Outcomes inhospital hospital support oxide Conclusion Here rationale 5

RESUMO Contexto: Em estudos observacionais sobre a síndrome do desconforto respiratório agudo, sugeriu-se que a driving pressure é o principal fator de lesão pulmonar induzida por ventilador e de mortalidade. Não está claro se uma estratégia de limitação da driving pressure pode melhorar os desfechos clínicos. Objetivo: Descrever o protocolo e o plano de análise estatística que serão usados para testar se uma estratégia de limitação da driving pressure envolvendo a titulação da pressão positiva expiratória final de acordo com a melhor complacência respiratória e a redução do volume corrente é superior a uma estratégia padrão envolvendo o uso da tabela de pressão positiva expiratória final baixa do protocolo ARDSNet, em termos de aumento do número de dias sem ventilador em pacientes com síndrome do desconforto respiratório agudo devido à pneumonia adquirida na comunidade. Métodos: O estudo STAMINA (ventilator STrAtegy for coMmunIty acquired pNeumoniA) é randomizado, multicêntrico e aberto e compara uma estratégia de limitação da driving pressure com a tabela de pressão positiva expiratória final baixa do protocolo ARDSnet em pacientes com síndrome do desconforto respiratório agudo moderada a grave devido à pneumonia adquirida na comunidade internados em unidades de terapia intensiva. Esperamos recrutar 500 pacientes de 20 unidades de terapia intensiva brasileiras e duas colombianas. Eles serão randomizados para um grupo da estratégia de limitação da driving pressure ou para um grupo de estratégia padrão usando a tabela de pressão positiva expiratória final baixa do protocolo ARDSnet. No grupo da estratégia de limitação da driving pressure, a pressão positiva expiratória final será titulada de acordo com a melhor complacência do sistema respiratório. Desfechos: O desfecho primário é o número de dias sem ventilador em 28 dias. Os desfechos secundários são a mortalidade hospitalar e na unidade de terapia intensiva e a necessidade de terapias de resgate, como suporte de vida extracorpóreo, manobras de recrutamento e óxido nítrico inalado. Conclusão: O STAMINA foi projetado para fornecer evidências sobre se uma estratégia de limitação da driving pressure é superior à estratégia da tabela de pressão positiva expiratória final baixa do protocolo ARDSnet para aumentar o número de dias sem ventilador em 28 dias em pacientes com síndrome do desconforto respiratório agudo moderada a grave. Aqui, descrevemos a justificativa, o desenho e o status do estudo. Contexto sugeriuse sugeriu clínicos Objetivo ARDSNet Métodos ventilator pNeumoniA randomizado 50 2 colombianas Desfechos resgate extracorpóreo inalado Conclusão Aqui justificativa 5