63,255 results match your criteria: "OR Hansen; and the Penn State Hershey Medical Center[Affiliation]"
Nat Med
January 2025
Artificial Intelligence in Medicine (AIM) Program, Mass General Brigham, Harvard Medical School, Boston, MA, USA.
Large language models (LLMs) are rapidly being adopted in healthcare, necessitating standardized reporting guidelines. We present transparent reporting of a multivariable model for individual prognosis or diagnosis (TRIPOD)-LLM, an extension of the TRIPOD + artificial intelligence statement, addressing the unique challenges of LLMs in biomedical applications. TRIPOD-LLM provides a comprehensive checklist of 19 main items and 50 subitems, covering key aspects from title to discussion.
View Article and Find Full Text PDFNature
January 2025
Case Comprehensive Cancer Center and Department of Nutrition, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
The oestrogen receptor (ER or ERα), a nuclear hormone receptor that drives most breast cancer, is commonly activated by phosphorylation at serine 118 within its intrinsically disordered N-terminal transactivation domain. Although this modification enables oestrogen-independent ER function, its mechanism has remained unclear despite ongoing clinical trials of kinase inhibitors targeting this region. By integration of small-angle X-ray scattering and nuclear magnetic resonance spectroscopy with functional studies, we show that serine 118 phosphorylation triggers an unexpected expansion of the disordered domain and disrupts specific hydrophobic clustering between two aromatic-rich regions.
View Article and Find Full Text PDFSci Rep
January 2025
Plant Science Research Unit, USDA-ARS, St. Paul, MN, USA.
Plant genebanks contain large numbers of germplasm accessions that likely harbor useful alleles or genes absent in commercial plant breeding programs. Broadening the genetic base of commercial alfalfa germplasm with these valuable genetic variations can be achieved by screening the extensive genetic diversity in germplasm collections and enabling maximal recombination among selected genotypes. In this study, we assessed the genetic diversity and differentiation of germplasm pools selected in northern U.
View Article and Find Full Text PDFFEMS Microbiol Ecol
January 2025
National Food Institute, Technical University of Denmark, Kemitorvet, 2800 Kongens Lyngby, Denmark.
Oral antibiotic treatment is well known to be one of the main factors affecting gut microbiota composition by altering bacterial diversity. It decreases the abundance of butyrate-producing bacteria such as Lachnospiraceae and Ruminococcaceae, while increasing abundance of Enterobacteriaceae. The recovery time of commensal bacteria post-antibiotic treatment varies among individuals, and often, complete recovery is not achieved.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
University of Pittsburgh School of Medicine, Structural Biology, 3501 5th Ave., Biomedical Science Tower 3, Room 2044, 15261, Pittsburgh, UNITED STATES OF AMERICA.
Bacterial biofilms are major contributors to persistent infections and antimicrobial resistance, posing significant challenges to treatment. However, obtaining high-resolution structural information on native bacterial biofilms has remained elusive due to the methodological limitations associated with analyzing complex biological samples. Solid-state NMR (ssNMR) has shown promise in this regard, but its conventional application is hindered by sensitivity constraints for unlabeled native samples .
View Article and Find Full Text PDFJ Marital Fam Ther
January 2025
Department of Psychology and Behavioural Sciences, School of Business and Social Sciences, Aarhus University, Aarhus C, Denmark.
The OurRelationship Program is an 8-h web-based program for distressed couples adapted from Integrative Behavioral Couple Therapy. In this pilot randomized controlled trial, we aimed to replicate results from the founders and test feasibility criteria for program implementation across cultures. We randomized 39 Danish, opposite-sex, distressed, parenting couples to either the OurRelationship program or self-guided bibliotherapy (a self-help book with a reading guide).
View Article and Find Full Text PDFInt J Cardiovasc Imaging
January 2025
Department of Congenital Heart Disease and Pediatric Cardiology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany.
T1 relaxation time quantification on parametric maps is routinely used in cardiac imaging and may serve as a non-invasive biomarker for diffuse liver disease. In this study, we aimed to investigate the relationship between liver T1 values and cardiac function in patients with congenital heart disease (CHD) and compared patients with a biventricular circulation (BVC) to those with a Fontan circulation (FC). Magnetic resonance images from patients with CHD, obtained between June and December 2023 on a 1.
View Article and Find Full Text PDFInt J Comput Assist Radiol Surg
January 2025
Institute of Medical Informatics, University of Lübeck, Lübeck, Germany.
Purpose: This study aims to address the challenging estimation of trajectories from freehand ultrasound examinations by means of registration of automatically generated surface points. Current approaches to inter-sweep point cloud registration can be improved by incorporating heatmap predictions, but practical challenges such as label-sparsity or only partially overlapping coverage of target structures arise when applying realistic examination conditions.
Methods: We propose a pipeline comprising three stages: (1) Utilizing a Free Point Transformer for coarse pre-registration, (2) Introducing HeatReg for further refinement using support point clouds, and (3) Employing instance optimization to enhance predicted displacements.
Int J Comput Assist Radiol Surg
January 2025
Institute of Medical Informatics, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
Purpose: Lung fissure segmentation on CT images often relies on 3D convolutional neural networks (CNNs). However, 3D-CNNs are inefficient for detecting thin structures like the fissures, which make up a tiny fraction of the entire image volume. We propose to make lung fissure segmentation more efficient by using geometric deep learning (GDL) on sparse point clouds.
View Article and Find Full Text PDFAnn Hum Genet
January 2025
Institute of Legal Medicine, Medical University of Innsbruck, Innsbruck, Austria.
Introduction: Southern Africa has been inhabited by hunter-gatherers for at least 20,000 years and has received diverse immigration flows in the last 2000 years. The original inhabitants have interacted with the pastoralist migrants from Eastern Africa (∼2000 ybp), followed by the southern Bantu migration arriving some 1000 ybp, and more recently with the European and Asian settlers after the 17th century. Many of the original Khoekhoe and San inhabitants have either become extinct or have disappeared through admixture in South Africa (SA), in a sex-biased manner involving KhoeSan women.
View Article and Find Full Text PDFCurr Pain Headache Rep
January 2025
Department of Neurology, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Valdemar Hansens Vej 5, Entrance 1A, 2600 Glostrup, Copenhagen, Denmark.
Purpose Of Review: To evaluate the available studies on structural magnetic resonance imaging (MRI) of post-traumatic headache (PTH).
Recent Findings: A systematic search of PubMed and Embase databases (from inception to February 1, 2024) identified nine relevant structural MRI studies. These studies included adult participants diagnosed with acute or persistent PTH in adherence with any edition of the International Classification of Headache Disorders.
Sci Rep
January 2025
MARBIO, UiT - The Arctic University of Norway, Breivika, 9037, Tromsø, Norway.
Pro-inflammatory cytokines, like interleukin-1 beta and interferon gamma, are known to activate signalling pathways causing pancreatic beta cell death and dysfunction, contributing to the onset of diabetes. Targeting cytokine signalling pathways offers a potential strategy to slow or even halt disease progression, reducing reliance on exogenous insulin and improving glucose regulation. This study explores the protective and proliferative effects of breitfussin C (BfC), a natural compound isolated from the Arctic marine hydrozoan Thuiaria breitfussi, on pancreatic beta cells exposed to pro-inflammatory cytokines.
View Article and Find Full Text PDFPLoS One
January 2025
Respiratory Research Unit and Department of Respiratory Medicine, Copenhagen University Hospital-Hvidovre, Hvidovre, Denmark.
Introduction: Chronic obstructive pulmonary disease (COPD) costs EURO 1.4 billion annually in healthcare costs. Pulmonary rehabilitation (PR) is a vital aspect of care for patients with COPD, but despite the compelling evidence, it is delivered to less than 30%.
View Article and Find Full Text PDFSci Rep
January 2025
National Institutes for Quantum Science and Technology, Kamikita, 039-3212, Japan.
The Alfvén instability nonlinearly excited the energetic-particle-driven geodesic acoustic mode on the ASDEX-Upgrade tokamak, as demonstrated experimentally. The mechanism of the energetic-particle-driven geodesic acoustic mode excitation and the mode nonlinear evolution is not yet fully understood. In the present work, a first-principles simulation using the MEGA code investigated the mode properties in both the linear growth and nonlinear saturated phases.
View Article and Find Full Text PDFEur Psychiatry
January 2025
Department of Affective Disorders, Aarhus University Hospital - Psychiatry, Aarhus, Denmark.
J Hepatol
August 2024
Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, the Netherlands; Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, Toronto, Canada. Electronic address:
Background & Aims: Flares after nucleos(t)ide analogue (NA) cessation are common and potentially harmful. Predictors of flares are required for risk stratification and to guide off-treatment follow-up.
Method: This multicenter cohort study included virally suppressed patients with chronic hepatitis B (CHB) who were hepatitis B e antigen negative at NA cessation.
BMC Cancer
January 2025
Department of Oncology, Copenhagen University Hospital - Herlev and Gentofte, Borgmester Ib Juuls Vej 1, Herlev, 2730, Denmark.
Background: Small Bowel Adenocarcinoma (SBA) is a rare gastrointestinal cancer with a limited understanding of the molecular pathology. This study aims to bridge the knowledge gap, providing a robust molecular foundation for SBA and addressing the clinical challenges inherent in treating this orphan disease. The study proposes to redefine the clinical management for SBA patients through advanced molecular profiling techniques to improve potential precision medicine.
View Article and Find Full Text PDFPharmaceutics
November 2024
Department of Physics, Chemistry, and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark.
Co-delivering dual-drug systems have proven to be effective in, for example, anticancer therapy or HIV prophylaxis due to a higher target selectivity and therapeutic efficacy from compound synergism. However, various challenges regarding physical stability can arise during the formulation definition when multiple drug compounds are included in the same formulation. In this work, the focus was on aqueous suspensions, which could be applied as long-acting injectable formulations to release the drug compounds over weeks to months after administration.
View Article and Find Full Text PDFPolymers (Basel)
December 2024
Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia.
The scope of this work was to develop a thin-film composite (TFC) membrane for the separation of CO/CO mixtures, which are relevant for many processes of gas processing and gasification of carbon-based feedstock. Special attention was given to the development of highly permeable porous polysulfone (PSF) supports (more than 26,000 GPU for CO) since both the selective and support layers contribute significantly to the overall performance of the TFC membrane. The PSF porous support is widely used in commercial and lab-scale TFC membranes, and its porous structure and other exploitation parameters are set during the non-solvent-induced phase separation (NIPS) process.
View Article and Find Full Text PDFMicroorganisms
December 2024
Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 1870 Frederiksberg, Denmark.
Laboratory mice are instrumental for preclinical research but there are serious concerns that the use of a clean standardized environment for specific-pathogen-free (SPF) mice results in poor bench-to-bedside translation due to their immature immune system. The aim of the present study was to test the importance of the gut microbiota in wild vs. SPF mice for evaluating host immune responses in a house-dust-mite-induced allergic airway inflammation model without the influence of pathogens.
View Article and Find Full Text PDFInt J Environ Res Public Health
November 2024
Division of Ophthalmology, School of Medicine, University of São Paulo, São Paulo 01246-903, SP, Brazil.
Keratoconus is a burden to health systems and patients worldwide. Corneal collagen crosslinking (CXL) treatment has been shown abroad to be cost-effective for treating progressive keratoconus. However, no cost-effectiveness studies have been performed in Brazil.
View Article and Find Full Text PDFDiagnostics (Basel)
December 2024
Department of Ophthalmology, Copenhagen University Hospital-Rigshospitalet, 2600 Glostrup, Denmark.
We present an image that illustrates long-term visual field progression in patients with X-linked retinitis pigmentosa (XLRP) due to the retinitis pigmentosa GTPase regulator (RPGR) and retinitis pigmentosa 2 protein (RP2) gene variants. Longitudinal data from 84 genetically confirmed XLRP patients were collected from the Danish Retinitis Pigmentosa Registry, spanning the years 1948 to 2014. A visual field summation image revealed the characteristic pattern of retinal degeneration and visual field preservation in XLRP.
View Article and Find Full Text PDFAnim Front
December 2024
Department of Animal Science, Iowa State University, Ames, Iowa 50011, USA.
bioRxiv
December 2024
Department of Medicine, Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado USA.
Purpose: The development of endocrine resistance remains a significant challenge in the clinical management of estrogen receptor-positive () breast cancer. Metabolic reprogramming is a prominent component of endocrine resistance and a potential therapeutic intervention point. However, a limited understanding of which metabolic changes are conserved across the heterogeneous landscape of ER+ breast cancer or how metabolic changes factor into ER DNA binding patterns hinder our ability to target metabolic adaptation as a treatment strategy.
View Article and Find Full Text PDFOrganisms with smaller genomes often perform multiple functions using one multi-subunit protein complex. The Silent Information Regulator complex (SIRc) carries out all of the core functions of heterochromatin. SIR complexes first drive the initiation and spreading of histone deacetylation in an iterative manner.
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