1,523 results match your criteria: "Federal University of Rio De Janeiro Ufrj[Affiliation]"

A Gram-staining-negative, oxidase-positive, strictly aerobic rod-shaped bacterium, designated strain PT1T, was isolated from the laboratory-reared larvae of the sea cucumber Apostichopus japonicus. A phylogenetic analysis based on the 16S rRNA gene nucleotide sequences revealed that PT1T was closely related to Neptuniibacter marinus ATR 1.1T (= CECT 8938T = DSM 100783T) and Neptuniibacter caesariensis MED92T (= CECT 7075T = CCUG 52065T) showing 98.

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Metabolic syndrome (MetS) is characterized by complex metabolic changes involving a cluster of co-occurring conditions, such as abdominal obesity, high blood pressure, high fasting plasma glucose, high serum triglycerides, and high LDL cholesterol levels or low HDL cholesterol levels. The incidence and risk factors of MetS occurrence increase every year. It is estimated that MetS affects approximately 30% of the population of some countries.

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The aim of this paper is to verify if people with a positive score on the Mood Disorder Questionnaire (MDQ) without comorbidity of mood disorders showed a worse level of Health-related Quality of life (HRQol) compared to a control-matched sample of MDQ negatives, identifying a specific syndrome. This is a case-control study based on a database from a community survey. Cases: MDQ-positive without mood disorders; Controls: MDQ negatives matched by sex, age, and psychiatric diagnosis according to the Diagnostic and Statistical Manual of Mental Disorders IV (DSM-IV) criteria.

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Spontaneous radial nerve palsy with hourglass-like constriction.

BMJ Case Rep

August 2023

Division of Neurosurgery, Department of Surgery and Specialties, Fluminense Federal University, Niterói - Rio de Janeiro, Brazil

Hourglass-like constriction (HLC) is an uncommon spontaneous mononeuropathy that is typically characterised by a sudden onset of pain followed by palsy, affecting branches of the radial (posterior interosseous nerve) and median nerves (anterior interosseous nerve). HLC of the radial nerve (RN) is rare, with only a few reported cases. Here, we report a case of a man who presented with acute wrist and finger drop due to the HLC of the RN.

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Article Synopsis
  • MINS (Myocardial Injury after Noncardiac Surgery) significantly increases the risk of mortality in patients, with a prevalence of 9.4% in a study involving 2,230 patients over a median follow-up of 6.7 years.
  • Variables associated with both early and late mortality include factors like MINS, previous heart issues, urgent surgeries, dementia, peripheral artery disease, and age.
  • Machine learning models were used to identify these predictors, confirming that higher levels of cardiac troponin post-surgery significantly correlate with increased mortality risk.
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The microbial consortia of lactic acid bacteria and yeast of sourdough can partially degrade gluten subunits associated with wheat-related diseases. This study evaluated how sourdough fermentation interferes with wheat protein profiles and if it can be related to the reduction expression of allergenic proteins. Samples from five bread doughs (Saccharomyces cerevisiae -C1; chemical acidification -C2, and three sourdoughs formulations -S1, S2, and S3) were sequentially extracted, digested, and submitted to shotgun label-free proteomic analysis.

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Concealing, Tolerating, and Adjusting to Emotions in Obsessive-Compulsive and Anxiety Disorders: A Cross-Sectional Study.

Trends Psychiatry Psychother

August 2023

Obsessive, Compulsive, and Anxiety Spectrum Research Program, Institute of Psychiatry of the Federal University of Rio de Janeiro (UFRJ), Brazil. D'Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil.

Background: Although research has shown that mood and anxiety disorders manifest disturbed emotion regulation, it is unclear whether anxiety disorders differ between each other in terms of their emotion regulation strategies. In the present study, we investigated whether patients with anxiety disorders present different affective styles.

Methods: We assessed affective styles of 32 obsessive-compulsive disorder (OCD) patients, 29 social anxiety disorder (SAD) patients, 29 panic disorder (PD) patients, and 20 healthy controls through the Affective Style Questionnaire (ASQ).

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Purpose: We report the case of an acute type B dissection with high-risk features treated with multilayer stent.

Case Report: A 50-year-old female patient presented to the emergency department with an acute type B aortic dissection. Conservative medical treatment did control blood pressure but did not alleviate her dissection symptoms.

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Recent Progress in Nanotechnology Improving the Therapeutic Potential of Polyphenols for Cancer.

Nutrients

July 2023

Analytical and Molecular Laboratorial Center (CLAn), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil.

Polyphenols derived from fruits, vegetables, and plants are bioactive compounds potentially beneficial to human health. Notably, compounds such as quercetin, curcumin, epigallocatechin-3-gallate (EGCG), and resveratrol have been highlighted as antiproliferative agents for cancer. Due to their low solubility and limited bioavailability, some alternative nanotechnologies have been applied to encapsulate these compounds, aiming to improve their efficacy against cancer.

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This research aimed to optimize surimi production with innovative raw materials called pirarucu trimmings and broken rice grains, which are by-products from food industries. The effects of three independent variables (number of washing cycles, content, and cooking temperature of rice flour-RF) on surimi's physical, chemical, and technological qualities were investigated through a Box-Behnken design. The number of washing cycles affected yield (77-93%), moisture (55-67%), lipids (18-35%), protein (7.

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Data on the acceptability and usability of hepatitis C virus self-testing (HCVST) remain scarce. We estimated the pooled rates of acceptability/feasibility and re-reading/re-testing agreement of HCVST using oral fluid tests (PROSPERO-CRD42022349874). We searched online databases for studies that evaluated acceptability, usability and inter-reader/operator variability for HCVST using oral fluid tests.

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Rare concomitance of ETV6::RUNX1 and BCR::ABL1p210 in a child diagnosed with B-cell precursor acute lymphoblastic leukemia.

Cancer Genet

August 2023

Division of Clinical Research and Technological Development, Research Center, Instituto Nacional de Câncer (INCA), 37. Post code: 20231050, Rio de Janeiro, RJ, Brazil. Electronic address:

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Article Synopsis
  • - The study investigates why many Brazilians are hesitant about COVID-19 vaccines, aiming to inform better public health policies.
  • - Conducted through a qualitative online survey, findings reveal three main reasons for hesitancy: distrust in vaccines, misinformation related to politics, and fears of side effects.
  • - The results highlight the challenge of navigating unreliable information and underscore the need for effective communication to improve public understanding of vaccination importance.
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Objective: To assess the impact of overweight and obesity in the second and third trimesters of pregnancy on fetal cardiac function parameters.

Methods: We performed a prospective cohort study of 374 singleton pregnant women between 20w0d and 36w6d divided into three groups: 154 controls (body mass index - BMI < 25 kg/m), 140 overweight (BMI 25-30 kg/m) and 80 obese (BMI ≥ 30 kg/m). Fetal left ventricular (LV) modified myocardial performance index (Mod-MPI) was calculated according to the following formula: (isovolumetric contraction time + isovolumetric relaxation time)/ejection time.

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Grape skin is a wine by-product with a high fiber and phenolic compound content, with potential application as an ingredient in food products. This work aimed to study the hedonic and sensory perception of the consumer using the Check-all-that-apply about cereal bars made with grape skin flour (GSF) obtained from wine residue. Grape skin flour with different granulometric ranges (coarse and fine) was added to the cereal bars in different proportions (10, 15, and 20%) to replace the oat flakes present in the formulation.

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In recent years, the changing landscape for the conduct and assessment of research and of researchers has increased scrutiny of the reward systems of science. In this context, correcting the research record, including retractions, has gained attention and space in the publication system. One question is the possible influence of retractions on the careers of scientists.

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This paper consists of the evaluation in regards to the ecotoxicological effectiveness of a treatment applied to a coal mining waste. The treatment consisted of separating the particles based on gravimetric concentration in spirals, generating three fractions: heavy, intermediate, and light, with high, moderate, and low pyrite content, respectively. The intermediate fraction represents the larger disposal volume of the waste on soils.

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Assessing whole-exome sequencing data from undiagnosed Brazilian patients to improve the diagnostic yield of inborn errors of immunity.

BMC Genom Data

June 2023

Bioinformatics Laboratory-LABINFO, National Laboratory of Scientific Computation LNCC/MCTIC, Av. Getúlio Vargas, 333, Quitandinha, Petrópolis, Rio de Janeiro, 25651-075, Brazil.

Objectives: Inborn error of immunity (IEI) comprises a broad group of inherited immunological disorders that usually display an overlap in many clinical manifestations challenging their diagnosis. The identification of disease-causing variants from whole-exome sequencing (WES) data comprises the gold-standard approach to ascertain IEI diagnosis. The efforts to increase the availability of clinically relevant genomic data for these disorders constitute an important improvement in the study of rare genetic disorders.

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Mercury contamination in seafood from an aquatic environment impacted by anthropic activity: seasonality and human health risk.

Environ Sci Pollut Res Int

August 2023

Analytical and Molecular Laboratorial Center (CLAn), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ, 21941-909, Brazil.

Petroleum activity and the dumping of domestic and industrial sewage are important sources of mercury (Hg) contamination in the aquatic environment. Thus, this article aimed to biomonitor the Hg concentration in fish, mussels, and swimming crabs of commercial importance in southeastern Brazil. The quantifications were carried out over a year to verify the influence of seasonality.

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Targeting Biomolecular Condensation and Protein Aggregation against Cancer.

Chem Rev

July 2023

Institute of Medical Biochemistry Leopoldo de Meis, National Institute of Science and Technology for Structural Biology and Bioimaging, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ 21941-902, Brazil.

Biomolecular condensates, membrane-less entities arising from liquid-liquid phase separation, hold dichotomous roles in health and disease. Alongside their physiological functions, these condensates can transition to a solid phase, producing amyloid-like structures implicated in degenerative diseases and cancer. This review thoroughly examines the dual nature of biomolecular condensates, spotlighting their role in cancer, particularly concerning the p53 tumor suppressor.

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Article Synopsis
  • The study examines how eugenol (EUG) affects cigarette smoke (CS)-induced acute lung injury (ALI) and its impact on macrophage function.
  • EUG was administered to mice exposed to cigarette smoke for five days, showing a decrease in inflammation and oxidative stress.
  • In laboratory tests, EUG balanced oxidative stress in rat macrophages by lowering pro-inflammatory cytokines and increasing anti-inflammatory ones, indicating its potential as a treatment for ALI associated with smoking.
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One Health (OH) and Global Health (GH) are interconnected perspectives that may contribute to subsidizing GH policies. This scoping review aims to map the volume, nature, and characteristics of studies focused on the interface of OH and GH concepts. We used PubMed (MEDLINE), Embase, Scopus, and The Virtual Health Library (BVS) as the literature data sources for the review.

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The COVID-19 pandemic triggered unprecedented scientific efforts worldwide and launched several initiatives to promote international cooperation. Because international scientific collaborations between high-income countries (HICs) and low- and middle-income countries (LMICs) are not always balanced, analyzing research leadership helps to understand the global dynamics of knowledge production during COVID-19. In this study, we focused on HIC-LMIC collaborations on COVID-19 research in 469,937 scientific publications during the first 2 years of the pandemic (2020-2021).

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Background: Colorectal cancer (CRC) is responsible for the second leading cause of cancer death worldwide. Thus, the aim of this study was to investigate the application of a new nutritional status and inflammatory tool to predict overall survival (OS) in patients with CRC in the preoperative period.

Methods: Retrospective cohort study with CRC patients of both sexes treated at a hospital unit, aged ≥20 years.

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