Publications by authors named "Barbosa N"

Background: Dermatological health-related quality of life (HRQoL) in solid organ transplant recipients (SOTRs), often affected by skin cancer, has been insufficiently explored. This study aimed to evaluate the impact of skin cancer on quality of life (QoL) in SOTRs and to compare HRQoL measures between SOTRs with and without skin cancer.

Methods: This cross-sectional study (June 2023-March 2024) assessed adult SOTRs using the Dermatology Life Quality Index (DLQI) and Skindex-29 questionnaires.

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The pandemic due to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) resulted in over 7 million global fatalities and billions of individuals diagnosed with COVID-19. Acute and chronic muscle impairment associated with SARS-CoV-2 infection affected a substantial number of patients, leading to the development of symptoms such as fatigue, muscle pain, and exercise intolerance. Our study introduces an animal model to improve understanding of the pathogenicity caused by SARS-CoV-2 in human skeletal muscle.

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Pythiosis, caused by Pythium insidiosum, is an infectious and non-transmissible disease affecting horses, dogs, and humans, with no effective drug treatment available. Triazoles are compounds of interest for their potential pharmacological properties against fungi and bacteria. In this study, we synthesized three new triazole compounds (C1, C2, and C3) to assess their in vitro activities against P.

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Single-variable analyses have limited ability to explain complex phenomena such as the regulation of prolonged physical (aerobic) performance. Our study aimed to identify predictors of performance in rats subjected to incremental-speed running exercise. Notably, most variables assessed were associated with rats' thermoregulation.

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Smoking, a major behavioral health burden, causes preventable and premature deaths globally. Nicotine, the addictive component present in tobacco products and Electronic cigarettes (E-cigarettes, vape), can bind to nicotinic acetylcholine receptors in the brain to trigger a dopamine release that reinforces smoking. Despite the widespread usage of nicotine, its mechanisms of toxicity, particularly in e-cigarettes, are poorly understood.

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Anethole, an antioxidant found in plants, appears to improve the survival of spermatozoa during semen cryopreservation. This study assessed the effects of commercial trans-anethole in ram semen cryopreservation. Thirty ejaculates from six rams were diluted in media containing anethole at the following concentrations: CONT (0 μM), AN10 (10 μM), AN50 (50 μM), and AN100 (100 μM).

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Background: Congenital toxoplasmosis leads to severe complications in childhood and presents significant global health challenges. In Brazil, the prevalence of toxoplasmosis during pregnancy and congenital cases ranges from 0.3 to 8 per 1000 live births.

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Objective: We sought to examine possible differences in BCC characteristics and treatment patterns between two matched cohorts of Hispanic White and non-Hispanic White individuals.

Methods: In this single institution, retrospective matched cohort study, data from patients with biopsy proven BCC from June 2005 to May 2022 was collected. Demographic, BCC, and treatment characteristics were compared between Hispanic White and non-Hispanic White individuals using a Wilcoxon rank-sum test, for continuous and ordinal variables, and Fisher's exact test, for categorical variables.

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Susceptibility to cervical cancer has been associated with Toll-like receptors (TLRs), which is an important component of innate immunity. According to previous studies, polymorphisms in TLRs genes can affect immune response pathways and lead to the development of cervical cancer. The present study aims to evaluate the functionality of polymorphisms in TLR1, TLR4 and TLR9 genes and their associations with cervical cancer.

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Objectives: to understand nurse perspectives regarding homeless pregnant women's accessibility to prenatal care.

Methods: a qualitative study, with analysis based on the concept of accessibility. Semi-structured interviews were carried out with 11 nurses who work at the Street Outreach Office in northern Brazil.

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Oropouche fever, a debilitating illness common in South America, is caused by Oropouche virus (OROV), an arbovirus. OROV belongs to the Peribunyaviridae family, a large group of RNA viruses. Little is known about the biology of Peribunyaviridae in host cells, especially assembly and egress processes.

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Genetic and environmental factors have been linked with neurodegeneration, especially in the elderly. Yet, efforts to impede neurodegenerative processes have at best addressed symptoms instead of underlying pathologies. The gap in the understanding of neuro-behavioral plasticity is consistent from insects to mammals, and cockroaches have been proven to be effective models for studying the toxicity mechanisms of various chemicals.

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Patchy saturation is a term used in the seismic prospecting literature to describe the state of a geological formation in which two immiscible pore fluids prevail in mesoscopic-scale clusters. If the pore fluids have contrasting compressibilities, wave-induced fluid pressure diffusion (FPD) processes may induce significant attenuation and velocity dispersion on seismic waves. Biot's monophasic poroelasticity theory is widely used to model the seismic response of rocks containing binary patches of two immiscible pore fluids.

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We report on a 19-year-old female patient who was diagnosed with a complete suprapatellar plica syndrome. She underwent arthroscopic excision of the plica. Post-operatively, there was complete resolution of the symptoms, with return to sports activity.

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Objective: to synthesize the main scientific evidence available on the factors associated with workaholism in nurses' mental health.

Method: this is an integrative review carried out in seven databases. The sample consisted of 11 studies.

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Article Synopsis
  • Environmental contamination from pharmaceuticals like atenolol negatively affects non-target organisms, specifically adult zebrafish, which were exposed to varying concentrations for seven days.
  • The fish exhibited anxiety-like behaviors (e.g., increased bottom-dwelling and decreased vertical exploration) and showed heightened aggression without changing their social preferences.
  • Biochemical analyses revealed that atenolol disrupted antioxidant enzyme activities, caused oxidative stress, altered specific mRNA expressions (increased tph1 and decreased bdnf), and affected energy metabolism, which could threaten the fish's health and survival in their environment.
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Background: Flap repair provides unique advantages in facial reconstruction but still carries the potential for undesirable postoperative cosmetic changes.

Objective: The aims of this study were to describe postoperative vascular outcomes of patients undergoing flap repairs after Mohs micrographic surgery on facial tumors and to assess associations of baseline characteristics with outcomes.

Materials And Methods: In this study, 7 dermatologists and 1 physician assistant in dermatology assessed preoperative and postoperative photographs of 57 patients who underwent facial Mohs micrographic surgery, evaluating vascular and pigment outcomes and number of telangiectasias.

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Acrylamide (ACR), a ubiquitous compound with diverse route of exposure, has been demonstrated to have detrimental effects on human and animal health. The mechanisms underlying its toxicity is multifaceted and not fully elucidated. This study aims to provide further insight into novel pathways underlying ACR toxicity by leveraging on Drosophila melanogaster as a model organism.

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Objectives: to identify Primary Health Care professionals' practice in the face of leprosy.

Methods: a scoping review, carried out between November 2022 and January 2023, conducted according to the methodological structure proposed by JBI and checklist Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews in six databases and additional literature.

Results: the sample consisted of 11 articles, published between 2008 and 2022.

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Recently, social isolation measures were crucial to prevent the spread of the coronavirus pandemic. However, the lack of social interactions affected the population mental health and may have long-term consequences on behavior and brain functions. Here, we evaluated the behavioral, physiological, and molecular effects of a social isolation (SI) in adult zebrafish, and whether the animals recover such changes after their reintroduction to the social environment.

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Liquid-liquid phase separation (LLPS) plays a key role in the compartmentalization of cells via the formation of biomolecular condensates. Here, we combined atomistic molecular dynamics (MD) simulations and terahertz (THz) spectroscopy to determine the solvent entropy contribution to the formation of condensates of the human eye lens protein γD-Crystallin. The MD simulations reveal an entropy tug-of-war between water molecules that are released from the protein droplets and those that are retained within the condensates, two categories of water molecules that were also assigned spectroscopically.

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Article Synopsis
  • Morphology plays a crucial role in determining function, but studying its formation at the molecular level is complex due to the random nature of nanoscale events.
  • New in situ/in vivo optical spectroscopy tools are being developed to address these challenges, which are non-invasive and do not require labeling.
  • This text discusses how these innovative optical spectroscopy techniques can effectively aid in understanding the initial stages of morphology development.
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