3,400 results match your criteria: "Federal University of Santa Maria.[Affiliation]"

Reply to: Letter to the editor: Comment on Schuch et al., "Exercise as a treatment for depression: A meta-analysis adjusting for publication bias".

J Psychiatr Res

November 2024

Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom; Centre for Sport Science, University of Vienna, Austria.

View Article and Find Full Text PDF

Background: Blackcurrant ( L.) is a berry rich in anthocyanins, bioactive compounds known for their antioxidant and neuroprotective properties that benefit human health.

Aims: This study aimed to investigate the effects of blackcurrant and its association with Donepezil on memory impairment, cholinergic neurotransmission, and antioxidant systems in a mouse model of amnesia induced by chronic administration of Scopolamine.

View Article and Find Full Text PDF

Aims: Evaluate the in vitro efficacy of the essential oils derived from Aloysia citrodora (Verbenaceae), Cymbopogon winterianus (Poaceae), and Ocimum gratissimum (Lamiaceae) against Acanthamoeba polyphaga trophozoites. Additionally, microemulsions formulated with these essential oils, along with their major components, were analyzed.

Methods And Results: The prepared microemulsions were characterized using polarized light microscopy and rheological techniques.

View Article and Find Full Text PDF

Sheep farming has been growing in Brazil, driven by an expanding consumer market due to greater acceptance of its meat and derivatives. There are several factors that limit sheep production, and one of them is infestation by ectoparasites, which cause stress in animals, weight loss, poor development, low productivity, low quality wool and reduced fertility. Chrysomya albiceps is a species of blowfly belonging to the Calliphoridae family that occurs in neotropical regions, where it causes secondary myiasis.

View Article and Find Full Text PDF

Acute and chronic effects of physical exercise in inflammatory biomarkers in people with depression: A systematic review with meta-analysis.

J Psychiatr Res

November 2024

Department of Sports Methods and Techniques, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil; Faculty of Health Sciences, Universidad Autónoma de Chile, Providencia, Chile; Federal University of Rio de Janeiro, Psychiatry Institute, Rio de Janeiro, RJ, Brazil.

People with depression have increased levels of pro-inflammatory cytokines compared to healthy subjects. Physical exercise can alleviate depressive symptoms and has anti-inflammatory properties. The aim of this study was to identify the effects of exercise on inflammatory biomarkers in people with depression.

View Article and Find Full Text PDF

Melanoma is the most aggressive type of skin cancer, with few therapeutic alternatives following metastasis development. In recent years, drug delivery-associated nanotechnology has shown promising targeted results with diminished adverse effects compared to conventional treatments. This study aimed to (1) examine the effects of plant-derived α-arbutin, a natural compound and (2) compare these findings with bioactively developed liposomes containing α-arbutin utilizing the B16-F10 murine melanoma cell line as a model.

View Article and Find Full Text PDF

Background: Understanding the relationship of social network use and addictive behaviors with adolescent psychosocial health is crucial in today's digital age.

Aim: To verify the associations between social network use, messaging applications, and the addictive behaviors to social network with psychosocial health in Spanish adolescents.

Methods: A cross-sectional study was developed with 632 adolescents, aged 12 to 17 years from the Region of Murcia, Spain.

View Article and Find Full Text PDF

The objective of this work was to determine whether the addition of phytogenic compounds based on essential oils (carvacrol, eugenol, cinnamaldehyde) and resinous pepper oil (capsaicin) to the diet of Jersey cows at the beginning of lactation affects anti-inflammatory, antioxidant and immunomodulatory responses, as well as whether there are effects of EO on blood metabolites, ruminal fermentation, digestibility and milk production and composition. Six primiparous cows (370.00 ± 17 kg body weight (BW); 13.

View Article and Find Full Text PDF

Efficient removal of organophosphate insecticide employing magnetic chitosan-derivatives.

Int J Biol Macromol

November 2024

Laboratório de Materiais Magnéticos Nanoestruturados, LaMMaN, Universidade Franciscana - UFN, Santa Maria, RS, Brazil; Programa de Pós-graduação em Nanociências, Universidade Franciscana - UFN, Santa Maria, RS, Brazil. Electronic address:

Article Synopsis
  • This study explores the effective adsorption of the pesticide acephate using chitosan modified with varying amounts of magnetite through a simple co-precipitation method.
  • The best results were achieved with a 1:1 chitosan to iron oxide ratio, achieving a 74.96% removal rate at pH 9.
  • The process parameters such as pH, adsorbent dosage, and initial concentration significantly influenced the effectiveness, and the adsorption was confirmed to be exothermic and primarily chemical in nature, with high stability over multiple cycles.
View Article and Find Full Text PDF

The aim of this study was to describe the normal B-mode, Doppler, and 2D Shear Wave Elastography ultrasonographic findings of some abdominal structures in a six-month-old male Southern Tamandua (Tamandua tetradactyla). The animal was found and rescued by the environmental police after being discovered in the wild near its mother, who had died in a car accident. For the ultrasonographic exams, the animal's abdominal region was shaved, and only physical restraint was used.

View Article and Find Full Text PDF

Background: Tissue engineering represents a promising field in regenerative medicine, with bioresorbable polymers such as polycaprolactone (PCL) playing a crucial role as scaffolds. These scaffolds support the growth and repair of tissues by mimicking the extracellular matrix.

Objective: This study aimed to assess the in vivo performance of three-dimensional PCL scaffolds by evaluating their effects on bone repair in rat calvaria and the tissue reaction in subcutaneous implant sites, as well as their impact on major organs such as the kidneys, lungs, and liver.

View Article and Find Full Text PDF

Herein, a novel sulfur-doped carbon material has been synthesized via a facile and sustainable single-step pyrolysis method using lignin-sulfonate (LS), a by-product of the sulfite pulping process, as a novel carbon precursor and zinc chloride as a chemical activator. The sulfur doping process had a remarkable impact on the LS-sulfur carbon structure. Moreover, it was found that sulfur doping also had an important impact on sodium diclofenac removal from aqueous solutions due to the introduction of S-functionalities on the carbon material's surface.

View Article and Find Full Text PDF

The aim of this study is to analyze the waterborne metal levels in four lakes (one endorheic and three exorheic) of Harmony Point, Nelson Island, Antarctica. Water samples were analyzed by using a quadrupole type inductively coupled plasma mass spectrometer and an inductively coupled plasma optical emission spectrometer. The levels of As, Cu, Mn, Mo, and V were significantly lower and those of Cr, Mg, Na, and Sr were significantly higher in the endorheic lake than in the other lakes.

View Article and Find Full Text PDF

Photodynamic therapy (PDT) combines a light source, oxygen, and a photosensitizer (PS) to generate reactive oxygen species (ROS) for treating diseases. In this study, we evaluated two meso-tetra-pyridyl porphyrins with [Pd(bpy)Cl], namely 3-PdTPyP and 4-PdTPyP, as PS for PDT application. DNA interaction was assessed by spectroscopic measurements (UV-Vis and fluorescence emission), viscosity analysis, and molecular docking simulations.

View Article and Find Full Text PDF

Does Delaying Levodopa Prevent Motor Complications in Parkinson's Disease? A Meta-Analysis.

Mov Disord Clin Pract

October 2024

Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, Texas, USA.

Article Synopsis
  • There has been ongoing debate about whether starting levodopa treatment early or delaying it has any effect on motor complications in Parkinson's disease (PD).
  • A meta-analysis analyzed data from seven randomized clinical trials with over 1,100 patients, examining the impact of early versus delayed levodopa treatment on motor complications like fluctuations and dyskinesias.
  • The study found no significant differences in overall motor complications or dyskinesias between early and delayed treatment groups, but less frequent motor fluctuations in the early-start group; however, using dopamine agonists showed a reduced risk of dyskinesias in the delayed-start group, despite potential side effects.
View Article and Find Full Text PDF

Effectiveness of Three Bleaching Techniques for Endodontically Treated Teeth: A Randomized Clinical Trial.

Oper Dent

September 2024

*Letícia Brandão Durand, Department of Restorative Dentistry, School of Dentistry, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil.

Background: Various techniques, products, and protocols are used for the bleaching of non-vital teeth. The walking bleach technique involves sealing the bleaching agent in the pulp chamber. In the inside/outside technique, a low-concentration bleaching agent is applied at home using a custom tray.

View Article and Find Full Text PDF

Chronic post-ischemic pain (CPIP) a model of complex regional pain syndrome (CRPS-I): Role of oxidative stress and inflammation.

Biochem Pharmacol

November 2024

Graduated Program in Pharmacology, Federal University of Santa Maria (UFSM), 97105-900 Santa Maria, RS, Brazil; Graduated Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria (UFSM), 97105-900, Santa Maria, RS, Brazil. Electronic address:

Article Synopsis
  • Complex Regional Pain Syndrome (CRPS) is a chronic pain condition that arises following limb trauma, with two forms: CRPS-I (no nerve injury) and CRPS-II (with nerve injury), significantly affecting patients' daily lives and mental health.
  • Current treatments like antidepressants and NSAIDs often don't provide sufficient relief, leading researchers to explore alternative options such as antioxidants and anti-inflammatory agents.
  • Future studies aim to better understand the mechanisms behind CRPS, particularly oxidative stress and inflammation, to develop more effective therapies for those suffering from CRPS-I.
View Article and Find Full Text PDF

Transgenerational effects of the levonorgestrel-based birth control pill in zebrafish offspring.

Environ Toxicol Pharmacol

September 2024

Graduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil; Graduate Programa in Bioexperimentation, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil; Undergraduate Course of Veterinary Medicine, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil. Electronic address:

The consumption of hormone-derived medicines, such as levonorgestrel (LNG), is increasing worldwide, and its discharge into the environment reaches non-target organisms. In our previous study, we exposed the parental generation of zebrafish to environmentally relevant concentrations of LNG during the developmental phase. Subsequently, they had grown in a tank with clean water until adulthood.

View Article and Find Full Text PDF

This study aims to describe movement disorders secondary to cocaine use. To our knowledge, while these presentations have been previously reported in the literature, a comprehensive review has not been published yet. We searched six databases from 1986 to 2022 without language restriction.

View Article and Find Full Text PDF

Three-dimensional mass transfer modeling and phenolic chemistry exploration for ultrasound-assisted and microwave drying of goji berry.

Food Res Int

October 2024

College of Food Science and Technology, Whole Grain Food Engineering Research Center, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China. Electronic address:

Herein, goji berries were pretreated with sodium carbonate (NaCO) and then dried via ultrasound-assisted air drying or microwave drying. Water migration and phenolic chemistry of goji berries were studied under drying. A three-dimensional ellipsoid water transport model, accounting for porosity and temperature fluctuations, was established to explore the intricacies of the drying mechanism.

View Article and Find Full Text PDF

Resistance exercise training (RET) is considered an excellent tool for preventing diseases with an inflammatory background. Its neuroprotective, antioxidant, and anti-inflammatory properties are responsible for positively modulating cholinergic and oxidative systems, promoting neurogenesis, and improving memory. However, the mechanisms behind these actions are largely unknown.

View Article and Find Full Text PDF

This study aimed to investigate the influence of attention and intelligence in the prediction of prosocial behavior by direct aggression (proactive or reactive) in school-aged children at risk for behavioral problems. The sample was composed of 64 children aged 6 to 8 years screened for risk of behavioral problems, who were enrolled in a clinical trial. Multiple regression models were tested to investigate the prediction of prosocial behavior by direct aggression (proactive or reactive), attention, and intelligence.

View Article and Find Full Text PDF

Developmental Delay, Hypomyelination, and Nystagmus: Case and Approach.

Neuroophthalmology

March 2024

Medical School, Department of Neuropsychiatry, Center of Health Sciences, Federal University of Santa Maria (UFSM), Santa Maria, Brazil.

Pelizaeus-Merzbacher-like disease (PMLD, OMIM #608804) is an autosomal recessive hypomyelinating leukodystrophy caused by homozygous variants in the gene. It usually presents in the first months of life with nystagmus, developmental delay, and diffuse hypomyelination on brain magnetic resonance imaging (MRI). We report a case of a 3-year-old boy that presented with nystagmus and global developmental delay.

View Article and Find Full Text PDF

This study evaluated the impact of coat color (CC) and hair coat characteristics (HC) on productive and physiological traits related to thermotolerance in Angus heifers. The goal was to determine if HC and/or CC were reliable indicators of thermotolerance on a large scale for future breeding programs. Ninety-three 15-month-old Angus heifers (52 black, 41 red) were evaluated in three periods on a beef cattle farm in Brazil.

View Article and Find Full Text PDF

Virtual reality (VR) exercise aims to offer positive affective and sensory experiences through an immersive experience rich in audiovisual stimuli. Notwithstanding, there is a paucity of large sample size studies comparing the acute effects of VR exercise compared with a matched exercise performed in a non-VR environment. The study compared the acute effects of a VR exercise session versus a matched non-VR exercise session in effect, pleasure, enjoyment, perceived exertion, and heart rate.

View Article and Find Full Text PDF