3,266 results match your criteria: "ELTE Lorand Eoetvoes University[Affiliation]"
Molecules
October 2024
Laboratory of Heterocyclic Organic Chemistry, Department of Chemistry, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco.
Four new pyrazolo[3,4-]pyrimidines (-) were successfully synthesized in good relative yields by reacting 3-methyl-1-phenyl-1H-pyrazolo[3,4-]pyrimidin-4-ol with various alkylating agents (methyl iodide, propargyl bromide, and phenacyl bromide) at room temperature in DMF solvent, employing liquid-solid phase transfer catalysis. The - structures were elucidated using NMR spectroscopy and X-ray diffraction. Intermolecular interactions in - were analyzed via Hirshfeld surface analysis and 2D fingerprint plots.
View Article and Find Full Text PDFSci Rep
November 2024
Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary.
Challenged inhibitory control has been implicated in various disorders, including addiction. Previous research suggests that asymmetry of frontal brain activity, indexed by frontal alpha asymmetry (FAA), is associated with inhibitory control and could be a target for neuromodulatory intervention. Some evidence suggests that unilateral muscle contraction (UMC) can modulate FAA; however, experimental evidence is scarce.
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November 2024
Institute of Molecular Life Sciences, HUN-REN Research Centre for Natural Sciences, Budapest, Hungary.
The dUTPase is a key DNA repair enzyme in Mycobacterium tuberculosis, and it may serve as a novel promising anti-tuberculosis target. Stl repressor from Staphylococcus aureus was shown to bind to and inhibit dUTPases from various sources, and its expression in mycobacterial cells interfered with cell growth. To fine-tune and optimize Stl-induced inhibition of mycobacterial dUTPase, we aimed to decipher the molecular details of this interaction.
View Article and Find Full Text PDFOpen J Immunol
September 2024
Behavioral Neuropharmacology and Neuroimaging Laboratory, Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.
Pediatric autoimmune neuropsychiatric disorders associated with or without streptococcal and other bacterial infections (PANDAS/CANS) are emerging as a featured pediatric disorder. Although there is some controversy regarding treatment approaches, especially related to the behavioral sequelae, we have hypothesized in other published work that it is characterized by the rapid onset of Reward Deficiency Syndrome (RDS) in children. We propose utilizing a multi-systems biological approach involving the coupling of genetic addiction risk testing and pro-dopamine regulation (KB220/POLYGEN) to help induce "dopamine homeostasis" in patients with PANDAS, especially those with known DNA-induced hypodopaminergia.
View Article and Find Full Text PDFNeuroimage
December 2024
Department of Ethology, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/c, Budapest 1117, Hungary; MTA-ELTE, Lendület "Momentum" Companion Animal Research Group, Budapest 1117, Hungary; ELTE NAP Canine Brain Research Group, Budapest, Hungary.
The sleep spindle-generating thalamo-cortical circuitry supports attention capacity in awake humans and animals, but using sleep spindles to predict differences in attention has not been tried in either. Of the more commonly examined cognitive correlates of spindle occurrence and amplitude, post-sleep recall, and general intelligence, only post-sleep recall had been studied in dogs, rats and mice. Here, we examined a sample of companion dogs (N = 58) for whom polysomnographic recordings and several cognitive tests were performed on two occasions each, with a three-month break in-between.
View Article and Find Full Text PDFBioinformatics
November 2024
Department of Physics of Complex Systems, Institute of Physics and Astronomy, ELTE Eötvös Loránd University, Budapest H-1117, Hungary.
Summary: Accurate pathogen identification is crucial during outbreaks, especially with the emergence of new variants requiring frequent primer updates. However, resources for maintaining up-to-date verification of primer sequences are often limited, which poses challenges for reliable diagnosis and hinders potential monitoring efforts based on genome sequencing. To address this, we introduce ViralPrimer, a web server facilitating primer design, SARS-CoV-2 and Mpox variant monitoring, and adaptation to future threats.
View Article and Find Full Text PDFFront Psychiatry
October 2024
IFT Institut für Therapieforschung, Centre for Mental Health and Addiction Research, Munich, Germany.
Forensic Sci Int Genet
January 2025
Department of Genetics, ELTE Eötvös Loránd University, Budapest, Hungary. Electronic address:
We performed an internal laboratory validation of the Precision ID GlobalFiler NGS STR panel v2 kit to assist the introduction of the technology into the routine forensic casework practice. The study was designed and evaluated based not only on the key validation standards like sensitivity, stability, reproducibility, repeatability, mixture, and concordance, but we also tested the effect of reduced input DNA, we measured and applied locus-specific analytical threshold values, tested two different PCR cycle conditions, sequence artifacts and stutters were also analysed. During the study we also tested the new method on real casework samples.
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November 2024
Institute of Behavioural Sciences, Semmelweis University, Budapest, Hungary.
Mathematics is a key school subject for some of the most lucrative and economically important careers. Low mathematics performance in school is associated with low psychometric intelligence, family socioeconomic status (SES), specific mathematical abilities, and high mathematics anxiety. We used a sample of Hungarian schoolchildren (N = 102, mean age = 12.
View Article and Find Full Text PDFCarbohydr Polym
January 2025
Department of Analytical Chemistry, Institute of Chemistry, ELTE, Eötvös Loránd University, Budapest, Hungary. Electronic address:
Human milk oligosaccharides (HMOs) are complex unconjugated glycans abundant in breast milk, with vital roles in infant nutrition and health. The structural elucidation of HMOs remains challenging due to their diverse compositions and isomeric complexities. This study presents a novel approach employing H-N NMR correlations to pinpoint and characterize HMOs, LNH, LNnH, and their fucosylated derivatives including those of bearing the Lewis X motif.
View Article and Find Full Text PDFBrain Res
January 2025
Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, INSERM, CNRS, Université Claude Bernard Lyon 1, Bron, France; Department of Education and Psychology, Faculty of Social Sciences, University of Atlántico Medio, Las Palmas de Gran Canaria, Spain; BML-NAP Research Group, Institute of Psychology, Eötvös Loránd University & Institute of Cognitive Neuroscience and Psychology, HUN-REN Research Centre for Natural Sciences, Budapest, Hungary. Electronic address:
The processes of learning and memory consolidation are closely interlinked. Therefore, to uncover statistical learning in autism spectrum disorder (ASD), an in-depth examination of memory consolidation is essential. Studies of the last five years have revealed that learning can take place not only during practice but also during micro rest (<1 min) between practice blocks, termed micro offline gains.
View Article and Find Full Text PDFThe first search for the Z boson decay to ττμμ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138 fb^{-1}. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.
View Article and Find Full Text PDFJ Behav Addict
December 2024
1Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary.
Background And Aims: Conflicting findings have been reported for the longitudinal course of behavioral addictions, especially for social media addiction (SMA) and work addiction (WA). Therefore, evaluating whether these constructs are more trait-like or state-like might be informative. The aim of the present study was to examine the proportion of variance of SMA and WA symptoms (as defined by the components model of addiction) explained by trait and occasion-specific factors in addition to exploring cross-lagged relationships between SMA and WA.
View Article and Find Full Text PDFiScience
October 2024
ELTE Eötvös Loránd University, Department of Ethology, Budapest, Hungary.
Various animal species can make decisions about the passability of openings, based on their own size knowledge. So far no one has tested the ability for self-representation in cats. We hypothesized that cats may rely on their size awareness when they have to negotiate small openings.
View Article and Find Full Text PDFJ Chem Inf Model
November 2024
Medicinal Chemistry Research Group, HUN-REN Research Centre for Natural Sciences, Magyar Tudósok Körútja 2, H-1117 Budapest, Hungary.
Amyloids, large intermolecular sandwiched β-sheet structures, underlie several protein misfolding diseases but have also been shown to have functional roles and can be a basis for designing smart and responsive nanomaterials. Short segments of proteins, called aggregation-prone regions (APRs), have been identified that nucleate amyloid formation. Here we present the database of 173 APR crystal structures currently available in the PDB, and a tool, ACW, for analyzing their topologies and the 267 inter-β-sheet interfaces of zipper regions assigned in these structures.
View Article and Find Full Text PDFTrends Ecol Evol
January 2025
ELTE Eötvös Loránd University, Department of Ethology, Budapest, Hungary. Electronic address:
Applying human concepts of self-awareness to animals often lacks anchoring in biologically meaningful contexts. We advocate a new, modular framework of self-representation, including body-awareness, which helps an individual to negotiate physical obstacles. We emphasize the importance of ecologically valid approaches that allow adaptivity-based hypotheses and discussion about self-representation.
View Article and Find Full Text PDFPLoS One
October 2024
Department of Ethology, Institute of Biology, Eötvös Loránd University, Budapest, Hungary.
Over the past two decades, farm animal-assisted therapies have become popular. However, the effects of farm animals on healthy people's mental states have not yet been investigated. In Study 1, we aimed to explore whether positive effects of human-animal interaction (HAI) can be detected in healthy farm volunteers even after short-term (2-3 hours) work with goats and goatlings on a goat farm.
View Article and Find Full Text PDFEur Heart J Cardiovasc Imaging
October 2024
Heart and Vascular Centre, Semmelweis University, Budapest, Hungary.
Introduction: Low gradient (LG) aortic stenosis (AS) poses a diagnostic challenge. Aortic valve calcium score (AVCS) assessment has emerged as a complementary diagnostic method when echocardiography provides discordant results. However, the diagnostic and prognostic value of AVCS in LGAS has not been thoroughly studied.
View Article and Find Full Text PDFArch Sex Behav
November 2024
Department of Health Science, University of Alabama, Tuscaloosa, AL, USA.
ACS Omega
October 2024
Department of Biophysics and Radiation Biology, Semmelweis University, Budapest 1094, Hungary.
Bacterial outer membrane vesicles (OMVs) are emerging as important players in the host-microbiome interaction, while also proving to be a promising platform for vaccine development and targeted drug delivery. The available methods for measuring their biodistribution, however, are limited. We aimed to establish a high-efficiency radiolabeling method for the treatment of OMVs.
View Article and Find Full Text PDFEur Addict Res
October 2024
IFT Institut für Therapieforschung, Centre for Mental Health and Addiction Research, Munich, Germany.
Introduction: Smoking remains a significant global public health issue, leading to numerous preventable deaths and disabilities annually. Telephone counselling is a recommended intervention for smoking cessation, offering accessible support to a wide range of people who smoke. This study aimed to evaluate the long-term effectiveness of the German quitline for smoking cessation.
View Article and Find Full Text PDFPercept Mot Skills
October 2024
Institute of Psychology, Faculty of Education and Psychology, ELTE Eötvös Loránd University, Budapest, Hungary.
J Fungi (Basel)
October 2024
Department of Plant Physiology and Molecular Plant Biology, Eötvös Loránd University (ELTE), 1/C Pázmány Péter Sétány, 1117 Budapest, Hungary.
is a key truffle species with significant ecological and economic value. Despite its importance, plantation success can be influenced by soil pH, host plants, and undesired fungi. This study examines how soil pH and host plants influence mycorrhization trends in plantations across six plant species in eight Hungarian settlements, using root sampling and DNA analysis to assess plantations at three and six years of age.
View Article and Find Full Text PDFJ Imaging
October 2024
Nokia Bell Labs, Bókay János u. 36-42, H-1083 Budapest, Hungary.
Hum Brain Mapp
October 2024
Institute of Gerontology, Wayne State University, Detroit, Michigan, USA.
Inquiries into properties of brain structure and function have progressed due to developments in magnetic resonance imaging (MRI). To sustain progress in investigating and quantifying neuroanatomical details in vivo, the reliability and validity of brain measurements are paramount. Quality control (QC) is a set of procedures for mitigating errors and ensuring the validity and reliability of brain measurements.
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