522 results match your criteria: "Pontifical Catholic University of Rio Grande do Sul-PUCRS[Affiliation]"
J Clin Exp Dent
November 2024
DDS, MS, PhD. Post-Graduate Program in Dentistry (Prosthodontics), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.
Background: Sleep bruxism is a major research area in dentistry today and needs valid clinical means of diagnosis against valid instrumental methods. Purpose: To assess the validity of the most commonly reported sleep bruxism (SB) signs and symptoms in the literature against a polysomnography (PSG) validated portable electromyographic (EMG) device (BiteStrip®).
Material And Methods: Fifty young adults (40 women & 10 men, 18-30 years old) volunteered for the sequential and simultaneous administration of the SB signs and symptoms questionnaire versus the BiteStrip®.
Microorganisms
November 2024
Laboratory of Clinical and Experimental Immunology, Infant Center, School of Health Science, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, Brazil.
bioRxiv
November 2024
Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY.
Neurology
December 2024
From the Department of Radiology and Oncology (C.d.M.R., C.C.L.), Hospital das Clínicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP); LIM 44 (C.d.M.R., M.P.N., I.B.A., C.C.L.), Laboratory of Medical Investigation in Magnetic Resonance of the University of São Paulo, São Paulo, Brazil; MS Center Amsterdam (C.d.M.R., M.M.S.), Anatomy and Neurosciences, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, location VUmc, the Netherlands; Department of Neurology (S.L.A.-P., D.C.), Hospital das Clínicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP); Department of Epidemiology and Biostatistics (M.B.W.), Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS); Department of Epidemiology and Biostatistics (M.B.W.), School of Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Brazil; MS Center Amsterdam (F.B.), Radiology and Nuclear Medicine, Vrije Universiteit Amsterdam, Amsterdam UMC, location VUmc, the Netherlands; and Queen Square MS Center (F.B.), Department of Neuroinflammation, Institute of Neurology, Faculty of Brain Sciences, and Centre for Medical Image Computing (CMIC) (F.B.), Department of Medical Physics and Biomedical Engineering, University College London (UCL), United Kingdom.
Methods Mol Biol
November 2024
Laboratory of Immunobiology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil.
Recent research has shed light on the intricate relationship between mood disorders, such as major depressive disorder (MDD) and bipolar disorder (BD), and inflammation. This chapter explores the complex interplay involving immune and metabolic dysfunction in the pathophysiology of these disorders, emphasizing their association with autoimmunity/inflammatory conditions, chronic low-grade systemic inflammation, T cell overactivation, and immunosenescence. This perspective underscores the notion that MDD and BD are not solely brain disorders, highlighting their nature as multi-system conditions.
View Article and Find Full Text PDFMol Cytogenet
November 2024
Department of Genetics, Medical School of Ribeirao Preto, University of Sao Paulo - USP, Ribeirao Preto, SP, 14049-900, Brazil.
In recent years, the expansion of molecularly targeted cancer therapies has significantly advanced precision oncology. Parallel developments in next-generation sequencing (NGS) technologies have also improved precision oncology applications, making genomic analysis of tumors more affordable and accessible. Targeted NGS panels now enable the rapid identification of diverse actionable mutations, requiring clinicians to efficiently assess the predictive value of cancer biomarkers for specific treatments.
View Article and Find Full Text PDFFront Cell Infect Microbiol
November 2024
Graduate Program in Biomedical Gerontology, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
In this mini review, we explore the complex network of inflammatory reactions incited by SARS-CoV-2 infection, which extends its reach well beyond the respiratory domain to influence various organ systems. Synthesizing existing literature, it elucidates how the hyperinflammation observed in COVID-19 patients affects multiple organ systems leading to physiological impairments that can persist over long after the resolution of infection. By exploring the systemic manifestations of this inflammatory cascade, from acute respiratory distress syndrome (ARDS) to renal impairment and neurological sequelae, the review highlights the profound interplay between inflammation and organ dysfunction.
View Article and Find Full Text PDFSci Rep
October 2024
Laboratory of Immunology and Microbiology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Avenida Ipiranga, 6681, Porto Alegre, 90619-900, Rio Grande do Sul, Brazil.
Background: The COVID-19 pandemic has posed significant challenges to global healthcare systems, particularly impacting individuals with pre-existing conditions like hypertension. This study sought to assess the impact of the antihypertensive medications, losartan and enalapril maleate on SARS-CoV-2 infected cells. Vero E6 cells were infected and treated in vitro, evaluating cell viability via the MTT colorimetric assay.
View Article and Find Full Text PDFInt J Mol Sci
September 2024
Cell Therapy Laboratory (LATEC), University of Caxias do Sul (UCS), Caxias do Sul 95070-560, Brazil.
Graphene nanoplatelets (UGZ-1004) are emerging as a promising biomaterial in regenerative medicine. This study comprehensively evaluates UGZ-1004, focusing on its physical properties, cytotoxicity, intracellular interactions, and, notably, its effects on mesenchymal stem cells (MSCs). UGZ-1004 was characterized by lateral dimensions and layer counts consistent with ISO standards and demonstrated a high carbon purity of 0.
View Article and Find Full Text PDFHealthcare (Basel)
September 2024
School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, Brazil.
Background: Health care is not exempt from harboring social inequalities, including in those countries with a universal public system. The objective was to ascertain whether the population's assessment of primary care (PC) changed between 2006 and 2016, the decade that included the economic crisis of 2008, and also if it exhibited patterns of social inequality in Barcelona (Spain).
Methods: This was a cross-sectional study using Barcelona Health Surveys 2006 and 2016.
J Sex Med
October 2024
Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, British Columbia, Canada.
Background: Mindfulness-based cognitive therapy (MBCT) includes regular home practice of mindfulness exercises as a key means of cultivating mindfulness. Although there are instruments available for measuring homework adherence following cognitive behavioral therapy (CBT), little is known about measuring homework practice in MBCT studies for sexual dysfunction.
Aim: In this review we sought to investigate which items and instruments are the most used for the assessment of homework adherence in studies evaluating MBCT for the treatment of female sexual dysfunction (FSD).
BMC Public Health
September 2024
Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
Nucl Med Biol
December 2024
Dept. of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands. Electronic address:
Positron emission tomography (PET) can provide information about tumor-associated macrophage (TAM) infiltration, as long as a suitable tracer is available. This study aimed to evaluate the radiolabeled peptide [F]AlF-NODA-MP-C6-CTHRSSVVC as a potential PET tracer for imaging of the CD163 receptor, which is expressed on M2-type tumor-associated macrophages. The conjugated peptide NODA-MP-C6-CTHRSSVVC was labeled with aluminum [F]fluoride.
View Article and Find Full Text PDFInt J Oral Maxillofac Surg
January 2025
Division of Maxillofacial Surgery, Department of Surgery, AZ Sint-Jan Brugge-Oostende AV, Bruges, Belgium.
Int J Mol Sci
July 2024
Brain Institute of Rio Grande do Sul (BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90610-000, RS, Brazil.
The COVID-19 pandemic, caused by the SARS-CoV-2 virus, has posed unprecedented challenges to global health systems, particularly among vulnerable populations such as the elderly. Understanding the interplay between anthropometric markers, molecular profiles, and disease severity is crucial for effective clinical management and intervention strategies. We conducted a cohort study comprising 43 elderly COVID-19 patients admitted to São Lucas Hospital, PUCRS, Brazil.
View Article and Find Full Text PDFMembranes (Basel)
July 2024
School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil.
The escalating emissions of CO into the atmosphere require the urgent development of technologies aimed at mitigating environmental impacts. Among these, aqueous amine solutions and polymeric membranes, such as cellulose acetate and polyimide are commercial technologies requiring improvement or substitution to enhance the economic and energetic efficiency of CO separation processes. Ionic liquids and poly(ionic liquids) (PILs) are candidates to replace conventional CO separation technologies.
View Article and Find Full Text PDFBehav Pharmacol
September 2024
Postgraduate Program in Toxicology and Analytical Toxicology, Health Sciences Institute, Feevale University, Novo Hamburgo.
Increasing evidence indicates that neuroinflammation, oxidative stress, and neurotrophic factors play a key role in the pathophysiology of major depressive disorder (MDD). In addition, the attenuation of inflammatory response has been considered a putative mechanism for MDD treatment. PT-31 is an imidazolidine derivative and a putative α₂-adrenoceptor agonist that has previously demonstrated antinociceptive activity.
View Article and Find Full Text PDFSci Rep
July 2024
Laboratory of Clinical and Experimental Immunology, Infant Center, School of Health Science, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.
Neurosci Lett
August 2024
School of Medicine, Brain Institute of Rio Grande do Sul, Developmental Cognitive Neuroscience Lab, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil. Electronic address:
Purpose: Sex differences play a crucial role in understanding vulnerability to opioid addiction, yet there have been limited preclinical investigations of this effect during the transition from adolescence to adulthood. The present study compared the behaviors of male and female rodents in response to fentanyl treatment and targeted molecular correlates in the striatum and medial prefrontal cortex.
Materials And Methods: Thirty adolescent C57BL/6J mice underwent a 1-week fentanyl treatment with an escalating dose.
ACS Omega
July 2024
Graduate Program in Materials Engineering and Technology, Pontifical Catholic University of Rio Grande do Sul-PUCRS, Porto Alegre, Rio Grande do Sul 90619-900, Brazil.
Radiotherapy (RT) is the established noninvasive treatment for glioblastoma (GBM), a highly aggressive malignancy. However, its effectiveness in improving patient survival remains limited due to the radioresistant nature of GBM. Metal-based nanostructures have emerged as promising strategies to enhance RT efficacy.
View Article and Find Full Text PDFInt J Mol Sci
July 2024
Brain Institute of Rio Grande do Sul (BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90610-000, RS, Brazil.
It has been widely established that the characterization of extracellular vesicles (EVs), particularly small EVs (sEVs), shed by different cell types into biofluids, helps to identify biomarkers and therapeutic targets in neurological and neurodegenerative diseases. Recent studies are also exploring the efficacy of mesenchymal stem cell-derived extracellular vesicles naturally enriched with therapeutic microRNAs and proteins for treating various diseases. In addition, EVs released by various neural cells play a crucial function in the modulation of signal transmission in the brain in physiological conditions.
View Article and Find Full Text PDFJ Oral Rehabil
October 2024
Faculty of Dentistry, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.
J Neurovirol
June 2024
Brain Institute of Rio Grande do Sul (BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga 6690, Porto Alegre, 90610-000, RS, Brazil.
After the Zika virus (ZIKV) epidemic in Brazil, ZIKV infections were linked to damage to the central nervous system (CNS) and congenital anomalies. Due to the virus's ability to cross the placenta and reach brain tissue, its effects become severe, leading to Congenital Zika Syndrome (CZS) and resulting in neuroinflammation, microglial activation, and secretion of neurotoxic factors. The presence of ZIKV triggers an inadequate fetal immune response, as the fetus only has the protection of maternal antibodies of the Immunoglobulin G (IgG) class, which are the only antibodies capable of crossing the placenta.
View Article and Find Full Text PDFDermatol Surg
October 2024
All authors are affiliated with the Stomatology Service, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul-PUCRS, Porto Alegre, Rio Grande do Sul, Brazil.
Background: Calcium hydroxyapatite (CaHA) dermal filler has been increasingly used in facial aesthetic procedures.
Objective: To investigate clinical and histological changes associated with calcium hydroxyapatite (CaHA) dermal filler in the orofacial region.
Materials And Methods: Forty-eight female Wistar rats were divided into CaHA and control groups.