8,856 results match your criteria: "Charles University- in Prague[Affiliation]"

Tailoring neoadjuvant chemotherapy for a pregnant patient diagnosed with IB2 squamous cervical carcinoma.

Gynecol Oncol Rep

December 2024

Department of Obstetrics and Gynecology, University Hospital Kralovske Vinohrady, 3rd Medical Faculty, Charles University in Prague, Czech Republic.

The incidence of cancer during pregnancy is steadily rising because of the postponement of plans for childbearing. One of the most common cancers diagnosed during pregnancy is cervical cancer. Diagnosis of most cases usually occurs in the early stages, but there are still cases of tumors staged IB2 and higher.

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Enhanced Recovery After Craniotomy: Global Practices, Challenges, and Perspectives.

J Neurosurg Anesthesiol

November 2024

Department of Anesthesia and Pain Medicine, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada.

The global demand for hospital care, driven by population growth and medical advances, emphasizes the importance of optimized resource management. Enhanced Recovery After Surgery (ERAS) protocols aim to expedite patient recovery and reduce health care costs without compromising patient safety or satisfaction. Its principles have been adopted in various surgical specialties but have not fully encompassed all areas of neurosurgery, including craniotomy.

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Iron deficiency anemia is a global health concern, affecting around 2 billion people. Oral iron therapy often causes severe gastro-intestinal issues. , member of the Brassicaceae family, is valued in traditional medicine and renowned for its rich iron and vitamin C content.

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Article Synopsis
  • - The study investigates how brain region degeneration relates to social cognition (SC) and executive functions (EF) deficits in patients with behavioral variant frontotemporal dementia (bvFTD), involving 103 participants from Germany.
  • - It reveals that performance in understanding social cues (using the Reading the Mind in the Eyes Test) correlates mostly with gray matter volume and cortical thickness in the temporal and insular areas, while EF performance is linked to prefrontal regions.
  • - The findings highlight that there is some overlap in the brain regions associated with both SC and EF, particularly in the insula and the dorsolateral prefrontal cortex, and these patterns are clearer when considering both cognitive domains together.
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Objectives: This study aimed to investigate relationships between cholesterol profile, brain volumetric MRI, and clinical measures in a large observational cohort of multiple sclerosis (MS) patients.

Materials And Methods: We included 1.505 patients with 4.

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  • - Sewage sludge, a harmful byproduct of wastewater treatment, contains contaminants and poses environmental health risks, prompting urgent needs for better management solutions as municipal wastewater production rises.
  • - Traditional disposal methods like land dumping and incineration come with significant limitations, but recent methods like pyrolysis show promise by transforming sewage sludge into biochar for soil enhancement and pollutant reduction.
  • - This study evaluates phosphate-amended biochar produced from sewage sludge through pyrolysis at various temperatures, finding that it increases phosphorus availability and boosts plant growth significantly, thereby offering a sustainable avenue for sewage sludge management.
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Disease Activity in Pregnant and Postpartum Women With Multiple Sclerosis Receiving Ocrelizumab or Other Disease-Modifying Therapies.

Neurol Neuroimmunol Neuroinflamm

November 2024

From the Department of Neuroscience (W.Z.Y., A.V.D.W., H.B., V.G.J.), School of Translational Medicine, Monash University; Department of Neurology (W.Z.Y., A.V.D.W., O.G.S., H.B., V.G.J.), Alfred Health, Melbourne; Department of Neurology (O.G.S., K.B.), Box Hill Hospital; Department of Neurosciences (O.G.S., K.B.), Eastern Health Clinical School, Monash University, Box Hill; Neuroimmunology Centre (T.K.), Department of Neurology, Royal Melbourne Hospital; CORe (T.K.), Department of Medicine, University of Melbourne, Australia; Amiri Hospital (R.A.), Sharq, Kuwait; Perron Institute for Neurological and Translational Science (A.G.K., M.J.F.-P., W.M.C.), University of Western Australia, Nedlands; Centre for Molecular Medicine and Innovative Therapeutics (A.G.K., M.J.F.-P.), Murdoch University, Perth; Sir Charles Gairdner Hospital (A.G.K., W.M.C.), QEIIMC, Nedlands; University of Newcastle (J.L.-S.), Newcastle; Hunter New England Health (J.L.-S.), John Hunter Hospital, New South Wales, Australia; Karadeniz Technical University (C.B.), Medical Faculty, Trabzon; Izmir University of Economics (S.O.), Medical Point Hospital, Izmir, Turkey; University Hospital Center Zagreb (M.H.); University of Zagreb (M.H.), School of Medicine, Croatia; Monash Health (N.A.J.); Department of Medicine (N.A.J.), School of Clinical Sciences, Monash University, Melbourne, Australia; CHUM and Universite de Montreal (A.P., M.G., P.D.), Canada; Neurology Department (S.M.B.), Faculty of Medicine, Mazandaran University of Medical Sciences, Iran; University of New South Wales (Suzanne Hodgkinson), Sydney, Australia; Cliniques Universitaires Saint-Luc (V.V.P.), Brussels; Université Catholique de Louvain (V.V.P.); Universitary Hospital Ghent (G.L.); Department of Neurology (B.W.), Antwerp University Hospital, Edegem; Translational Neurosciences Research Group (B.W.), Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; CSSS Saint-Jérôme (J.P.), Saint-Jerome, Canada; Department of Neuroscience (M.F.), Neurology Unit-MS Center, S. Maria delle Croci Hospital, AUSL Romagna, Ravenna, Italy; Department of Biotechnological and Applied Clinical Sciences (M.F.), University of L'Aquila, Italy; Groene Hart Ziekenhuis (K.D.G.), Gouda, Netherlands; Charles University in Prague and General University Hospital (D.H., E.K.H.), Prague, Czech Republic; Yeditepe University Kosuyolu Hospital (R.K.), Neurological Sciences, Istanbul, Turkey; Department of Medical and Surgical Sciences and Advanced Technologies (F.P.), GF Ingrassia, Catania; UOS Sclerosi Multipla (F.P.), AOU Policlinico "G Rodloico-San Marco", University of Catania, Italy; University of Queensland (P.A.M.), Brisbane; Royal Brisbane and Women's Hospital (P.A.M.), Australia; Centro Sclerosi Multipla (D.M.), UOC Neurologia, Azienda Ospedaliera per l'Emergenza Cannizzaro, Catania, Italy; Koc University (A.A.), Istanbul, Turkey; Nemocnice Jihlava (Radek Ampapa), Jihlava, Czech Republic; Azienda Ospedaliera di Rilievo Nazionale San Giuseppe Moscati Avellino (D.S.), Avellino, Italy; Zuyderland Medical Center (O.H.H.G.), Sittard-Geleen; School for Mental Health and Neuroscience (O.H.H.G.), Maastricht University, The Netherlands; Centro Hospitalar Universitario de Sao Joao (M.J.S.); Faculty of Health Sciences (M.J.S.), University Fernando Pessoa, Porto, Portugal; Royal Victoria Hospital (Stella Hughes), Belfast, United Kingdom; Department of Neurology (R.G., S.M.), Research laboratory LR18SP03, Clinical investigation Center Neurosciences and Mental Health, Razi Hospital; Faculty of Medicine of Tunis (R.G., S.M.), University of Tunis El Manar, Tunis, Tunisia; Austin Health (R.A.M.), Melbourne, Australia; Haydarpasa Numune Training and Research Hospital (R.T.), Istanbul, Turkey; Azienda Sanitaria Unica Regionale Marche - AV3 (E.C.), Macerata, Italy; Sultan Qaboos University (A.A.-A.), Al-Khodh, Oman; Bakirkoy Education and Research Hospital for Psychiatric and Neurological Diseases (A.S.), Istanbul, Turkey; St. Michael's Hospital (J.O.), Toronto, Canada; and F. Hoffmann-La Roche Ltd (E.M.-L.R., S.G., N.P.), Basel, Switzerland.

Background And Objectives: Women with multiple sclerosis (MS) are at risk of disease reactivation in the early postpartum period. Ocrelizumab (OCR) is an anti-CD20 therapy highly effective at reducing MS disease activity. Data remain limited regarding use of disease-modifying therapies (DMTs), including OCR, and disease activity during peripregnancy periods.

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Article Synopsis
  • GPR10 and NPFFR2 receptors are crucial for controlling food intake and energy balance, and studying their ligands can help create treatments for obesity.
  • Double knockout (dKO) mice, which lack both receptors, were tested on standard and high-fat diets to understand the metabolic effects of their deficiency, showing issues like glucose intolerance and insulin resistance.
  • The dKO males gained more weight due to higher caloric intake, while dKO females showed obesity and anxiety-like behavior, highlighting the need to investigate these receptor pathways for anti-obesity therapies.
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During the COVID-19 pandemic, people with multiple sclerosis (MS) and their healthcare providers have faced unique challenges related to the interaction between SARS-CoV-2, underlying neurological disease and the use of disease-modifying treatments (DMTs). Key concerns arose, primarily related to the possibility that SARS-CoV-2 infection could trigger the initial demyelinating event or exacerbate disease activity. Another major concern was the safety and efficacy of the COVID-19 vaccines, especially for patients undergoing specific treatments that could weaken their antibody responses.

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Heart rhythm at hospital admission: A factor for survival and neurological outcome among ECPR recipients?

Resuscitation

November 2024

2nd Department of Medicine - Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Czech Republic. Electronic address:

Background: The initial rhythm is a known predictor of survival in extracorporeal cardiopulmonary resuscitation (ECPR) patients. However, the effect of the rhythm at hospital admission on outcomes in these patients is less clear.

Methods: This observational, single-center study assessed the influence of the rhythm at hospital admission on 30-day survival and neurological outcomes at discharge in patients who underwent ECPR for out-of-hospital cardiac arrest (OHCA).

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Introduction: Revegetation of barren substrates is often determined by the composition and distance of the nearest plant community, serving as a source of colonizing propagules. Whether such dispersal effect can be observed during the development of soil microbial communities, is not clear. In this study, we aimed to elucidate which factors structure plant and soil bacterial and fungal communities during primary succession on a limestone quarry spoil heap, focusing on the effect of distance to the adjoining xerophilous grassland.

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Slowing hot carrier (HC) cooling and improving HC extraction are considered two pivotal factors for enhancing power conversion efficiency in emerging HC photovoltaic applications of perovskites and other materials. Employing ab initio quantum dynamics simulations, we demonstrate the simultaneous slow cooling and efficient extraction of hot electrons at the C/CsPbI interface through dipolar surface passivation with phenethylammonium and 4-fluorophenethylammonium ligands. The passivation effectively suppresses I-Pb lattice vibrations, weakens the hot electron-phonon interaction in CsPbI, and thus slows down the HC cooling.

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Article Synopsis
  • The study examined TGCp-tACS effects on older adults compared to younger participants, using tasks to measure WM performance and assessing brain activity through electroencephalography (EEG).
  • Results showed that TGCp-tACS negatively impacted WM performance in older adults, while younger individuals improved in some tasks, indicating that age-related brain changes affect the modulation of WM via theta-gamma coupling.
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Background: The aim of this study was to assess whether hypothermia increased survival and improved functional outcome when compared with normothermia in out-of-hospital cardiac arrest (OHCA) patients with similar characteristics than in previous randomized studies showing benefits for hypothermia.

Methods: Post hoc analysis of a pragmatic, multicenter, randomized clinical trial (TTM-2, NCT02908308). In this analysis, the subset of patients included in the trial who had similar characteristics to patients included in one previous randomized trial and randomized to hypothermia at 33 °C or normothermia (i.

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Article Synopsis
  • The influenza RNA-dependent RNA polymerase has an endonuclease subunit that contains a site with two metal ions, crucial for its function.
  • Researchers developed a series of inhibitors, specifically designed to bind these metal ions and inhibit the enzyme's activity, using a chemoenzymatic process.
  • The most effective inhibitors had IC50 values around 0.35 μM, and X-ray crystallography revealed how one of these inhibitors interacts with the enzyme at the atomic level.
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Individuals recovering from COVID-19 may experience persistent impairment in verbal memory performance, potentially due to illness-related hippocampal injury. Although verbal memory dysfunction is central to schizophrenia, the interactions between this vulnerability and COVID-19 remain unclear, with no imaging studies addressing the issue to-date. To explore this gap and generate hypotheses for future research, we adopted a multiple case study approach.

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Article Synopsis
  • The study investigates the significance of cardiac troponin (cTn) levels in predicting mortality in patients with Takotsubo syndrome (TTS), analyzing data from the International Takotsubo Registry.
  • It identifies that a cTn increase greater than 28.8 times the upper reference limit signals clinically relevant myocardial injury, correlating with a higher risk of mortality over 5 years (adjusted HR 1.58).
  • The findings enhance understanding of patient risk profiles in TTS, emphasizing the need for increased monitoring and follow-up for those with significant troponin elevations.
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An easy and cheap method for measurement of Ga complexation kinetics was developed. The method is based on UV-Vis quantification of non-complexed chelators after the addition of Cu ions at individual time points. The method was evaluated using established ligands, Hnota and HnotP, and was utilized to study the kinetics of Ga complexation with four new symmetric derivatives of 1,4,7-triazacyclononane bearing methylphosphonate/phosphinate pendant arms - TRAP ligands.

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A machine learning approach for dynamical modelling of Al distributions in zeolites Na/Al solid-state NMR.

Faraday Discuss

January 2025

Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, 12483, Czech Republic.

Article Synopsis
  • The high computational cost of calculations limits the experimental characterization of Al siting and pairing in sodium-form aluminosilicate zeolites, leading to uncertainty in results from short simulations.
  • To address this, neural network potentials (NNPs) allow for extensive exploration of Al/Na arrangements and Si/Al ratios while maintaining accuracy, revealing significant insights about Na NMR spectra in dehydrated high-silica CHA zeolite.
  • A predictive model for the Na chemical shift was developed, which simplifies the simulation process, captures dynamic effects often missed in computational studies, and can be adapted to other zeolite frameworks.
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β-Galactosidase from Bacillus circulans ATCC 31382 (BgaD) is a biotechnologically important enzyme for the synthesis of β-galactooligosaccharides (GOS). Among its four isoforms, isoform A (BgaD-A) has distinct synthetic properties. Here, we present cryoelectron microscopy (cryo-EM) structures of BgaD-A and compare them with the known X-ray crystal structure of isoform D (BgaD-D), revealing substantial structural divergences between the two isoforms.

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Improving working memory by electrical stimulation and cross-frequency coupling.

Mol Brain

October 2024

Department of Medical Biophysics and Medical Informatics, Third Faculty of Medicine, Charles University in Prague, Prague, Czechia.

Working memory (WM) is essential for the temporary storage and processing of information required for complex cognitive tasks and relies on neuronal theta and gamma oscillations. Given the limited capacity of WM, researchers have investigated various methods to improve it, including transcranial alternating current stimulation (tACS), which modulates brain activity at specific frequencies. One particularly promising approach is theta-gamma peak-coupled-tACS (TGCp-tACS), which simulates the natural interaction between theta and gamma oscillations that occurs during cognitive control in the brain.

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Changes in the Success and Characteristics of Tobacco Dependence Treatment before and during the COVID-19 Pandemic: Clinical Sample Comparisons.

Medicina (Kaunas)

September 2024

Centre for Tobacco Dependent of the 3rd Medical Department, Department of Endocrinology and Metabolism, First Faculty of Medicine, Charles University in Prague and General University Hospital, 12808 Prague, Czech Republic.

: There is little information on changes in the process and outcomes of intensive tobacco dependence treatment during the COVID-19 pandemic. The following characteristics were evaluated: interest in treatment, the number of face-to-face or telephone follow-ups, the duration of pharmacotherapy use, and the success rate. The aim of our study was to compare the number of patients who entered tobacco dependence treatment programmes and evaluate the one-year success rate in patients three years before and three years after the COVID-19 pandemic.

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