9,903 results match your criteria: "Swiss Federal Institute of Technology[Affiliation]"

Background: Urinary tract catheters, including Double-J or ureteral stents, are prone to bacterial colonization forming biofilms and leading to asymptomatic bacteriuria. In the context of asymptomatic bacteriuria, endourological procedures causing mucosa-inducing lesions can lead to severe infections. Antibiotic prophylaxis is warranted, yet its efficacy is limited by biofilm formation on stents.

View Article and Find Full Text PDF
Article Synopsis
  • * Analysis of data from over 1 million forest plots and thousands of tree species shows that wood density varies significantly by latitude, being up to 30% denser in tropical forests compared to boreal forests, and is influenced mainly by temperature and soil moisture.
  • * The research also finds that disturbances like human activity and fire alter wood density at local levels, affecting forest carbon stock estimates by up to 21%, emphasizing the importance of understanding environmental impacts on forest ecosystems.
View Article and Find Full Text PDF

The ULK1 kinase complex plays a crucial role in autophagosome biogenesis. To identify interactors or regulators of ULK1 complex assembly influencing autophagosome biogenesis, we performed an interaction proteomics screen. Employing both affinity purification and proximity labeling of - and -terminal tagged fusion proteins coupled to quantitative mass spectrometry, we identified 317 high-confidence interactors or neighbors of the four ULK1 complex members, including both member-specific and common interactors.

View Article and Find Full Text PDF
Article Synopsis
  • Differential accessibility (DA) analysis helps identify regulatory programs that determine cell type identity and responses to different conditions using single-cell epigenomics data.
  • There are various statistical methods for identifying DA regions, but there's no agreement on which ones work best due to the unclear performance principles.
  • This study systematically evaluates different statistical methods used in single-cell ATAC-seq data analysis and develops an R package to implement best practices for analyzing scATAC-seq data effectively.
View Article and Find Full Text PDF

Cdk8 and Hira mutations trigger X chromosome elimination in naive female hybrid mouse embryonic stem cells.

Chromosome Res

October 2024

Institute of Molecular Health Sciences, Department of Biology, Swiss Federal Institute of Technology, ETH Hönggerberg, Zurich, Switzerland.

Mouse embryonic stem cells (ESCs) possess a pluripotent developmental potential and a stable karyotype. An exception is the frequent loss of one X chromosome in female ESCs derived from inbred mice. In contrast, female ESCs from crosses between different Mus musculus subspecies often maintain two X chromosomes and can model X chromosome inactivation.

View Article and Find Full Text PDF
Article Synopsis
  • A study was conducted to evaluate the health-related quality of life (HRQOL) of very preterm children (born before 32 weeks) compared to their full-term siblings and the general population, involving 442 preterm children and 145 of their siblings.
  • It found that very preterm children showed similar HRQOL scores to full-term siblings and peers, suggesting preterm birth does not significantly impair HRQOL.
  • Chronic health conditions, age, and respiratory issues were identified as significant factors affecting HRQOL in preterm children, indicating potential areas for improvement.
View Article and Find Full Text PDF

Gamma aminobutyric acid type A receptors (GABARs) play a key role in the mammalian central nervous system (CNS) as drivers of neuroinhibitory circuits, which are commonly targeted for therapeutic purposes with potentiator drugs. However, due to their widespread expression and strong inhibitory action, systemic pharmaceutical potentiation of GABARs inevitably causes adverse effects regardless of the drug selectivity. Therefore, therapeutic guidelines must often limit or exclude clinically available GABAR potentiators, despite their high efficacy, good biodistribution, and favorable molecular properties.

View Article and Find Full Text PDF

Introduction: Automated CT perfusion (aCTP) is commonly used to select patients with anterior circulation large vessel occlusion (aLVO) for endovascular treatment (EVT). The equivalence of visually assessed Non-contrast CT Alberta Stroke Program Early CT Scores (ASPECTS) and aCTP based selection in predicting favorable functional outcomes remains uncertain.

Patients And Methods: Retrospective multicenter study of adult aLVO patients from the Swiss Stroke Registry (2014-2021) treated with EVT or best medical treatment 6-24 h after stroke onset.

View Article and Find Full Text PDF

Background: Housing conditions are intrinsically linked to human health, with inadequate housing potentially increasing exposure to environmentally mediated pathogens. Housing interventions that aim to improve housing and reduce environmentally mediated infections, such as finished floors and housing upgrades for vector-borne diseases, remain relatively under-explored as health interventions. This study explored facilitators of and barriers to funding, implementing, and scaling up housing improvements as health interventions to reduce environmentally mediated infectious diseases.

View Article and Find Full Text PDF

Applying kitchen compost promoted soil chrysene degradation by optimizing microbial community structure.

J Environ Manage

November 2024

College of Urban and Environmental Science, Northwest University, Xi'an, 710127, China. Electronic address:

Chrysene, as a high molecular weight polycyclic aromatic hydrocarbon (PAH), has become an important factor in degrading soil quality and constraining the safe production of food crops. Compost has been widely used to amend contaminated soil. However, to date, the main components of kitchen compost that enhance the biodegradation of chrysene in the soil remain unidentified.

View Article and Find Full Text PDF
Article Synopsis
  • Compost can help remove cadmium (Cd) from soil, but scientists want to understand how it works!
  • They tested three parts of kitchen compost - kitchen compost powder (KC), humic acid (HA), and water-soluble organic matter (DOM) - to see how they affect Cd in soil!
  • Adding KC and HA helped reduce Cd levels, but DOM made Cd problems worse by changing the soil, showing that some compost parts are good while others can be bad!
View Article and Find Full Text PDF

Vapor flux induced by temperature gradient is responsible for providing liquid water to hypoliths.

Sci Rep

October 2024

Department of Environmental Systems Science, Swiss Federal Institute of Technology ETH, Universitätstrasse 16, Zürich, CH-8092, Switzerland.

Commonly comprised of cyanobacteria, algae, bacteria and fungi, hypolithic communities inhabit the underside of cobblestones and pebbles in diverse desert biomes. Notwithstanding their abundance and widespread geographic distribution and their growth in the driest regions on Earth, the source of water supporting these communities remains puzzling. Adding to the puzzle is the presence of cyanobacteria that require liquid water for net photosynthesis.

View Article and Find Full Text PDF

Engineered antibody formats, such as antibody fragments and bispecifics, have the potential to offer improved therapeutic efficacy compared to traditional full-length monoclonal antibodies (mAbs). However, the translation of these non-natural molecules into successful therapeutics can be hampered by developability challenges. Here, we systematically analyzed 64 different antibody constructs targeting Tumor Necrosis Factor (TNF) which cover 8 distinct molecular format families, encompassing full-length antibodies, various types of single chain variable fragments, and bispecifics.

View Article and Find Full Text PDF

Compositional engineering of organic-inorganic metal halide perovskite allows for improved optoelectrical properties, however, phase segregation occurs during crystal nucleation and limits perovskite solar cell device performance. Herein, we show that by applying tetrabutylammonium bistriflimide as an additive in the perovskite precursor solution, ultra-uniform perovskite crystals are obtained, which effectively increases device performance. As a result, power conversion efficiencies (PCEs) of 24.

View Article and Find Full Text PDF

Tree growth and longevity trade-offs fundamentally shape the terrestrial carbon balance. Yet, we lack a unified understanding of how such trade-offs vary across the world's forests. By mapping life history traits for a wide range of species across the Americas, we reveal considerable variation in life expectancies from 10 centimeters in diameter (ranging from 1.

View Article and Find Full Text PDF

Understanding the brain requires studying its multiscale interactions from molecules to networks. The increasing availability of large-scale datasets detailing brain circuit composition, connectivity, and activity is transforming neuroscience. However, integrating and interpreting this data remains challenging.

View Article and Find Full Text PDF

Conspecific density dependence (CDD) in plant populations is widespread, most likely caused by local-scale biotic interactions, and has potentially important implications for biodiversity, community composition, and ecosystem processes. However, progress in this important area of ecology has been hindered by differing viewpoints on CDD across subfields in ecology, lack of synthesis across CDD-related frameworks, and misunderstandings about how empirical measurements of local CDD fit within the context of broader ecological theories on community assembly and diversity maintenance. Here, we propose a conceptual synthesis of local-scale CDD and its causes, including species-specific antagonistic and mutualistic interactions.

View Article and Find Full Text PDF

Stable Isotope Labelling Reveals Water and Carbon Fluxes in Temperate Tree Saplings Before Budbreak.

Plant Cell Environ

January 2025

Ecosystem Ecology, Forest Dynamics, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland.

Despite considerable experimental effort, the physiological mechanisms governing temperate tree species' water and carbon dynamics before the onset of the growing period remain poorly understood. We applied H-enriched water during winter dormancy to the soil of four potted European tree species. After 8 weeks of chilling, hydrogen isotopes in stem, twig and bud water were measured six times during 2 consecutive weeks of forcing conditions (Experiment 1).

View Article and Find Full Text PDF

The ER is the organelle of nucleated cells that produces lipids, sugars, and proteins. More than 20 ER-resident members of the protein disulfide isomerase (PDI) family regulate formation, isomerization, and disassembly of covalent bonds in newly synthesized polypeptides. The PDI family includes few membrane-bound members.

View Article and Find Full Text PDF

Long-term impact of maternal prenatal smoking on EEG brain activity and internalizing/externalizing problem symptoms in young adults.

Addict Behav

January 2025

Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim and University of Heidelberg, Mannheim, Germany; Institute of Medical Psychology and Medical Sociology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany. Electronic address:

Objective: The objective of this study was to investigate the impact of smoking during pregnancy on the development of the child. While previous research has established its detrimental effects during early childhood, understanding potential long-term consequences into adulthood remains limited. This study specifically aimed to explore the influence of prenatal smoking exposure on brain activity and whether internalizing and externalizing symptoms are influenced by prenatal smoking exposure in a cohort of young adults.

View Article and Find Full Text PDF

Meditating on psychedelics. A randomized placebo-controlled study of DMT and harmine in a mindfulness retreat.

J Psychopharmacol

October 2024

Psychedelic Research and Therapy Development, Department of Adult Psychiatry and Psychotherapy, Psychiatric University Clinic Zurich, University of Zurich, Zurich, Switzerland.

Background: In recent years, both meditation and psychedelics have attracted rapidly increasing scientific interest. While the current state of evidence suggests the promising potential of psychedelics, such as psilocybin, to enhance meditative training, it remains equivocal whether these effects are specifically bound to psilocybin or if other classical psychedelics might show synergistic effects with meditation practice. One particularly promising candidate is -dimethyltryptamine (DMT), an active ingredient of ayahuasca.

View Article and Find Full Text PDF

Diagnostic Benefit of Molecular Imaging in Patients Undergoing Heart Valve Surgery for Infective Endocarditis.

Microorganisms

September 2024

Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité, Augustenburger Platz 1, 13353 Berlin, Germany.

(1) Background: The successful treatment of infective endocarditis (IE) relies on detecting causative pathogens to administer targeted antibiotic therapy. In addition to standard microbiological cultivation of pathogens from tissue obtained during heart valve surgery, the potential of molecular biological methods was evaluated. (2) Methods: A retrospective study was performed on heart valve tissue from 207 patients who underwent heart valve surgery for IE.

View Article and Find Full Text PDF
Article Synopsis
  • - The study explores the relationship between pain habituation (how pain response decreases over time) and conditioned pain modulation (CPM), which is a measure of the body’s ability to manage pain, in 45 healthy participants.
  • - Pain habituation was evaluated using subjective pain ratings and objective measures (CHEP and SSR) during heat stimuli, revealing significant variability in participants’ responses, particularly in subjective ratings.
  • - It was found that while subjective pain habituation correlated with cold-induced CPM effects, this correlation did not hold for other CPM measures, suggesting that subjective and objective pain responses may reflect different aspects of how our body modulates pain.
View Article and Find Full Text PDF