325,504 results match your criteria: "Belgium; Center for Human Genetics[Affiliation]"

Article Synopsis
  • Marine plastispheres are dynamic microhabitats where microorganisms thrive on plastic debris, but their initial formation and interactions are not well understood.
  • This study used metaproteomic and metagenomic techniques to investigate the microbial diversity and biofilm development on low-density polyethylene (LDPE) over 3 and 7 days, identifying key organisms like Pseudomonas and Marinomonas.
  • Findings revealed that Pseudomonas dominated early, while Marinomonas and other genera became more prominent later, showcasing various metabolic pathways and competitive advantages that enhance our understanding of plastisphere ecology and its biotechnological potential.
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Research Progress in 3D Printed Biobased and Biodegradable Polyester/Ceramic Composite Materials: Applications and Challenges in Bone Tissue Engineering.

ACS Appl Mater Interfaces

January 2025

Laboratory of Biomass and Green Technologies, Gembloux Agro-Bio Tech, University of Liège, Passage des Déportés, 2, 5030 Gembloux, Belgium.

Article Synopsis
  • Bone implants made from biobased and biodegradable polyester composites are gaining popularity for effectively treating bone defects due to their good mechanical properties and ability to break down naturally.
  • Bone tissue engineering (BTE) plays a crucial role by mimicking the natural bone environment, using composite scaffolds to promote and accelerate the healing process.
  • The review highlights recent strategies by researchers to enhance the physical properties of BTE scaffolds and discusses the advantages of 3D printing technology while addressing future challenges for clinical applications.
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Aim: Complete mesocolic excision (CME) is an oncologically driven technique for treating right colon cancer. While laparoscopic CME is technically demanding and has been associated with more complications, the robotic approach might reduce morbidity. The aim of this study was to assess the safety of stepwise implementation of robotic CME.

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Article Synopsis
  • This study investigates using raw Greek honey in cacao-based materials for 3D printing, focusing on their physical properties and thermal stability.
  • It finds that incorporating honey not only improves the nutritional value and taste but also enhances the delivery of Vitamin D3, which is known to support the immune system but is difficult to absorb.
  • The research suggests that a 10% concentration of Lavender Honey is optimal for creating a stable and effective 3D-printed product, indicating the potential for these formulations in personalized health supplements and medicine.
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Background: There is a lack of information on the current healthcare systems for children with kidney diseases across Europe. The aim of this study was to explore the different national approaches to the organization and delivery of pediatric nephrology services within Europe.

Methods: In 2020, the European society for Paediatric Nephrology (ESPN) conducted a cross-sectional survey to identify the existing pediatric nephrology healthcare systems in 48 European countries covering a population of more than 200 million children.

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The Democratic Republic of the Congo (DRC) struggles with low full childhood vaccination coverage (around 50 %) and a high children-under-five mortality rate (79 deaths per 1000 live births). This situation is potentially exacerbated by vaccine hesitancy, which was identified by the World Health Organization (WHO) as one of the top 10 global health threats in 2019. To gain deeper insights into levels of vaccine confidence possibly influencing vaccination coverage, we explored perceptions and attitudes towards childhood and adult vaccines in Boende (Tshuapa province, western DRC), which experienced an Ebola outbreak in 2014 and hosted the EBL2007 Ebola vaccine trial (2019-2022).

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Factor Retention in Exploratory Multidimensional Item Response Theory.

Educ Psychol Meas

January 2025

Faculty of Psychology and Educational Sciences, KU Leuven, Campus KULAK, Kortrijk, Belgium.

Multidimensional Item Response Theory (MIRT) is applied routinely in developing educational and psychological assessment tools, for instance, for exploring multidimensional structures of items using exploratory MIRT. A critical decision in exploratory MIRT analyses is the number of factors to retain. Unfortunately, the comparative properties of statistical methods and innovative Machine Learning (ML) methods for factor retention in exploratory MIRT analyses are still not clear.

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Complement activation drives the phagocytosis of necrotic cell debris and resolution of liver injury.

Front Immunol

January 2025

Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium.

Cells die by necrosis due to excessive chemical or thermal stress, leading to plasma membrane rupture, release of intracellular components and severe inflammation. The clearance of necrotic cell debris is crucial for tissue recovery and injury resolution, however, the underlying mechanisms are still poorly understood, especially . This study examined the role of complement proteins in promoting clearance of necrotic cell debris by leukocytes and their influence on liver regeneration.

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Background And Purpose: With the increasing amount of in-house created deep learning models in radiotherapy, it is important to know how to minimise the risks associated with the local clinical implementation prior to clinical use. The goal of this study is to give an example of how to identify the risks and find mitigation strategies to reduce these risks in an implemented workflow containing a deep learning based planning tool for breast Volumetric Modulated Arc Therapy.

Materials And Methods: The deep learning model ran on a private Google Cloud environment for adequate computational capacity and was integrated into a workflow that could be initiated within the clinical Treatment Planning System (TPS).

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Unlabelled: Commercially reared bees provide economically important pollination services for a diversity of crops. Improving their health is important both to maximise their pollination services and to avoid possible pathogen spillover or spillback with wild pollinators. Diet quality may directly or indirectly affect diverse aspects of bumblebee health, including colony development, individual size and immune health, but the impact of this remains unclear.

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Background: The majority of patients diagnosed with glioblastoma are >60 years. Three randomized trials addressed the roles of radiotherapy (RT) and temozolomide (TMZ) for elderly patients. NORDIC and NOA-08 compared RT versus TMZ, while CE.

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Background: The study focused on kinematically aligned total knee arthroplasty (KA TKA). It identified which coronal plane alignment of the knee (CPAK) types are associated with a higher proportion of medial deviation of the 6° prosthetic trochlear groove (PTG) relative to the quadriceps' line of pull and whether medial deviation adversely affected the Forgotten Joint Score (FJS). The research calculated the minimum PTG angle required to prevent medial deviation by at least 2° in all patients.

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Selective extraction of lithium over alkali and alkaline earth ions by synergistic solvent extraction.

Green Chem

December 2024

KU Leuven, Department of Chemistry Celestijnenlaan 200F P.O. box 2404 B-3001 Leuven Belgium

Direct lithium extraction (DLE) from natural surface and geothermal brines is very challenging due to the low ratio of lithium to other metals, and the lack of suitable materials that bind lithium with sufficiently high selectivity. In this paper, a synergistic solvent extraction system is described that comprises a liquid ion exchanger (saponified bis(2-ethylhexyl)dithiophosphoric acid) and a lithium-selective ligand (2,9-dibutyl-1,10-phenanthroline) in an aliphatic diluent. The extraction mechanism was investigated and was confirmed to involve the binding of lithium to the selective ligand, while the liquid ion exchanger facilitates the transfer of metal ions from the aqueous to the organic phase.

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A digital tool for multidimensional assessment and prediction of treatment effectiveness in chronic pain management.

iScience

December 2024

CHU de Poitiers, PRISMATICS Lab (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), 86000 Poitiers, France.

Given the multidimensional aspect of pain, the assessment of treatment efficacy is challenging. The prospective observational multicenter PREDIBACK study aimed to assess, compare, and predict the effectiveness of different treatments for persistent spinal pain syndrome type 2 (PSPS-T2) using a digital tool and the Multidimensional Clinical Response Index (MCRI) including pain intensity, functional disability, quality of life, anxiety and depression, and pain surface. Results indicated that neurostimulation was the most effective treatment at 3-, 6-, 9-, and 12-month follow-up compared to baseline, leading to significant improvements in pain, function, and quality of life, whereas optimized medical management (OMM) and spinal reoperation showed no significant benefits.

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Article Synopsis
  • The study of taxonomic composition has shifted from traditional methods to advanced DNA sequencing techniques, particularly metabarcoding, which uses targeted genome portions for high-throughput sequencing.
  • Recent innovations in Oxford Nanopore Technologies have made sequencing more accessible and effective while presenting specific errors and a need for refined bioinformatics tools to handle long-read data.
  • PRONAME, a new open-source pipeline designed for Nanopore data, enhances sequence accuracy and supports custom database integration, achieving over 99.5% accuracy in tests, thus providing a reliable method for analyzing complex biological communities.
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Separation of high-activity Bi from Ac for targeted alpha therapy is challenging due to the instability of existing sorbents. Surface-modified carbon materials have shown promise for use in inverse Ac/Bi generators. However, previously reported materials with irregular shapes may limit their applications in column separations.

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Mechanistic Studies on the Gold-Catalyzed Intramolecular Hydroalkylation of Ynamides to Indenes.

ACS Omega

December 2024

Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, Brussels 1050, Belgium.

An in-depth experimental and computational study to rationalize the mechanism underlying the gold-catalyzed intramolecular hydroalkylation of ynamides to indenes is reported. Evaluating the reactivity of a set of deuterated ynamides and gold complexes allowed to get valuable insights into the mechanism of this reaction, while DFT calculations allowed to determine a plausible reaction pathway for this unprecedented transformation. This pathway involves the activation of the ynamide followed by a [1,5]-hydride shift from the highly reactive, in situ generated keteniminium ion, and a subsequent cyclization before deprotonation followed by a final protodeauration.

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Article Synopsis
  • This research explores the activation of hepatic stellate cells (HSCs) across different types of chronic liver disease (CLD), finding that their activation follows similar mechanisms regardless of the injury type.
  • A single-cell RNA-sequencing atlas was created to categorize HSCs into three profiles: quiescent, initiatory, and myofibroblasts, indicating consistent activation patterns in both mice and humans.
  • The study highlights key transcription factors and novel ligands involved in HSC activation, paving the way for new insights and potential treatments for liver fibrosis.
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Introduction: Physical inactivity due to shortness of breath is common among patients with uncontrolled asthma. We evaluated the body mass composition and exercise capacity of patients with poorly controlled asthma, despite maximal inhalation therapy.

Methods:  We recruited 56 patients from the Asthma Clinic of the University Hospital of Liège between September 2020 and December 2023, and 14 healthy subjects.

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Self- and other-oriented harmful behaviors are common among emerging adults. Individuals who engage in both forms of behavior, termed dual-harm, experience more adverse outcomes in comparison to individuals who engage in either. This study examines temperamental traits, defined as reactive and regulative temperament, as transdiagnostic factors underlying engagement in self-oriented, other-oriented, and dual-harmful behaviors.

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Extraintestinal pathogenic (ExPEC) causes invasive disease (IED), including bacteraemia and (uro)sepsis, resulting in a high disease burden, especially among older adults. This study describes the epidemiology of IED in England (2013-2017) by combining laboratory surveillance and clinical data. A total of 191 612 IED cases were identified.

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Objectives: Edge-to-edge mitral valve repair with MitraClip leads to a differed flow pattern and a decreased flow velocity at the left ventricle apex. This combination may lead to initiation of thrombus formation, especially in patients with severely reduced ejection fraction. The prevalence and mechanism of left ventricular thrombus formation after MitraClip implantation is still unknown.

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Maximizing the extraction of true, high-quality, nonredundant features from biofluids analyzed via LC-MS systems is challenging. Here, the R packages IPO and AutoTuner were used to optimize XCMS parameter settings for the retrieval of metabolite or lipid features in both ionization modes from either faecal or urine samples from two cohorts ( = 621). The feature lists obtained were compared with those where the parameter values were selected manually.

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As an opportunistic pathogen, is often associated with severe respiratory infections. A study conducted in an ICU of a tertiary hospital in Vietnam, where infection management is relatively good, yielded only 18 clinical isolates of over 6 months. Though the number is small, treating infections is highly complicated.

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1.During transport of broilers from farms to slaughterhouses, the interior of crates may become contaminated with faeces. When these crates are not cleaned and disinfected adequately, they pose a potential risk for the dissemination of pathogens, including spp.

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