5,835 results match your criteria: "University hospital Erlangen[Affiliation]"

A flexible generative algorithm for growing in silico placentas.

PLoS Comput Biol

October 2024

Cardiff University Brain Research Imaging Centre, School of Psychology, Cardiff, United Kingdom.

Article Synopsis
  • - The placenta is essential for pregnancy, handling oxygen and nutrient exchange, with complications like fetal growth restriction linked to its vascular structure issues, emphasizing the need for early detection of placental health.
  • - Current computational models of placental vasculature lack control over crucial features like branching angles, which are necessary for predicting dysfunction, leading to the development of a new generative algorithm that allows for customizable placental vascular modeling.
  • - This novel algorithm is based on physiological principles and uses key metrics to create realistic placental structures, enhancing research into how variations in structure can affect placental function and health.
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Education Research: Competency-Based EEG Education: An Online Routine EEG Examination for Adult and Child Neurology Residents.

Neurol Educ

December 2023

From the Division of Epilepsy (F.A.N.), Department of Neurology, Washington University School of Medicine, St. Louis, MO; Department of Neurology (F.A.N., S.V.Y.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Internal Medicine (H.G.), Wake Forest University School of Medicine, Winston-Salem, NC; Division of Epilepsy (R.K.), Department of Neurology, Louisiana State University Health Shreveport; Department of Neurology (R.M.), Emory University School of Medicine, Atlanta, GA; Department of Neurosurgery (S.R.), University Hospital Erlangen; Department of Neurosurgery (S.R.), University Hospital Halle (Saale), Germany; Department of Neurology (W.O.T.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.E.S.), Wake Forest University School of Medicine, Winston-Salem, NC; Department of Clinical Neurophysiology (S.B.), Danish Epilepsy Center, Dianalund and Aarhus University Hospital; and Department of Clinical Medicine (S.B.), Aarhus University, Denmark.

Background And Objectives: We recently published expert consensus-based curricular objectives for routine EEG (rEEG) interpretation for adult and child neurology residents. In this study, we used this curriculum framework to develop and validate an online, competency-based, formative and summative rEEG examination for neurology residents.

Methods: We developed an online rEEG examination consisting of a brief survey and 30 multiple-choice questions covering EEG learning objectives for neurology residents in 4 domains: normal, abnormal, normal variants, and artifacts.

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Improved diagnosis of systemic lupus erythematosus with human-derived double-stranded DNA antigen.

Biosens Bioelectron

January 2025

Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China. Electronic address:

Anti-double-stranded DNA antibodies (anti-dsDNA) serve as a crucial serological indicator for systemic lupus erythematosus (SLE). Chemiluminescent immunoassay (CIA) is mainly used in clinical diagnosis of SLE, but suffers from low specificity, partially because the use of dsDNA antigens of varied sources in current CIA kits that sometimes led to controversial results. On the basis that anti-dsDNA in healthy individuals tend to selectively bind with dsDNA originating from pathogens, whereas pathogenic anti-dsDNA in SLE patients bind all forms of dsDNA, here we proposed the use of dsDNA fragment derived from human genome as antigen (synthesized via PCR using the human genomic DNA as the template).

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Large Language Models for Simplified Interventional Radiology Reports: A Comparative Analysis.

Acad Radiol

September 2024

Department of Radiology, Klinikum rechts der Isar, Technical University of Munich (TUM), Munich, Germany (F.B., A.K., M.R.M., K.K.B., L.C.A.).

Purpose: To quantitatively and qualitatively evaluate and compare the performance of leading large language models (LLMs), including proprietary models (GPT-4, GPT-3.5 Turbo, Claude-3-Opus, and Gemini Ultra) and open-source models (Mistral-7b and Mistral-8×7b), in simplifying 109 interventional radiology reports.

Methods: Qualitative performance was assessed using a five-point Likert scale for accuracy, completeness, clarity, clinical relevance, naturalness, and error rates, including trust-breaking and post-therapy misconduct errors.

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Effects of Catheter-Based Renal Denervation in Hypertension: A Systematic Review and Meta-Analysis.

Circulation

November 2024

Klinik für Innere Medizin III, Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätsklinikum des Saarlandes, Universität des Saarlandes, Homburg, Germany (D.V., L.L., M.B., F.M.).

Article Synopsis
  • A meta-analysis of randomized, sham-controlled trials was conducted to evaluate the effectiveness and safety of catheter-based renal denervation (RDN) in treating hypertension, involving 10 trials with a total of 2,478 patients.
  • The study found that RDN significantly lowered both 24-hour and office systolic and diastolic blood pressure compared to sham procedures, without a notable difference in complications or changes in renal function.
  • Overall, RDN appears to be a safe and effective method for reducing blood pressure in patients with hypertension, although significant variability was noted among the studies analyzed.
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Background: Esophageal atresia (EA) is a complex malformation. Multidisciplinary management is necessary, with the operative repair being the most challenging step in the treatment algorithm. The complete care structure for children with EA in Germany has not been analyzed yet.

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Multimodal Profiling of Peripheral Blood Identifies Proliferating Circulating Effector CD4 T Cells as Predictors for Response to Integrin α4β7-Blocking Therapy in Inflammatory Bowel Disease.

Gastroenterology

September 2024

Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Gastroenterology, Infectious Diseases and Rheumatology, Berlin, Germany; Deutsches Rheuma-Forschungszentrum, ein Institut der Leibniz-Gemeinschaft, Berlin, Germany; Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin Institute of Health Academy, Clinician Scientist Program, Berlin, Germany. Electronic address:

Background & Aims: Despite the success of biological therapies in treating inflammatory bowel disease, managing patients remains challenging due to the absence of reliable predictors of therapy response.

Methods: In this study, we prospectively sampled 2 cohorts of patients with inflammatory bowel disease receiving the anti-integrin α4β7 antibody vedolizumab. Samples were subjected to mass cytometry; single-cell RNA sequencing; single-cell B and T cell receptor sequencing (BCR/TCR-seq); serum proteomics; and multiparametric flow cytometry to comprehensively assess vedolizumab-induced immunologic changes in the peripheral blood and their potential associations with treatment response.

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The human cytomegalovirus (HCMV) glycoprotein B (gB) is the viral fusogen required for entry into cells and for direct cell-to-cell spread of the virus. We have previously demonstrated that the exchange of the carboxy-terminal domain (CTD) of gB for the CTD of the structurally related fusion protein G of the vesicular stomatitis virus (VSV-G) resulted in an intrinsically fusion-active gB variant (gB/VSV-G). In this present study, we employed a dual split protein (DSP)-based cell fusion assay to further characterize the determinants of fusion activity in the CTD of gB.

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The Effect of Ionizing Irradiation on the Autotaxin-Lysophasphatidic Acid Axis and Interleukin-6/8 Secretion in Different Breast Cancer Cell Lines.

J Pers Med

September 2024

Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany.

Background: The Autotaxin (ATX)-lysophosphatidic acid (LPA) axis is involved in decreasing radiation sensitivity of breast tumor cells. This study aims to further elucidate the effect of irradiation on the ATX-LPA axis and cytokine secretion in different breast cancer cell lines to identify suitable breast cancer subtypes for targeted therapies.

Methods: Different breast cancer cell lines (MCF-7 (luminal A), BT-474 (luminal B), SKBR-3 (HER2-positive), MDA-MB-231 and MDA-MB-468 (triple-negative)) and the breast epithelial cell line MCF-10A were irradiated.

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Short-Term Impact of Newly Imposed Legal Restriction on DSD Surgery in Children in Germany.

Children (Basel)

September 2024

Department of Pediatric Surgery and Pediatric Urology, Cnopfsche Kinderklinik, 90419 Nürnberg, Germany.

Background/objectives: In recent years, changing paradigms, both culturally and scientifically, have fundamentally altered the approach to the treatment of children with Disorders of Sexual Development (DSD) prior to reaching the age of legal consent. In Germany, the situation changed with the introduction of legislation that includes a partial ban on DSD surgery in children in 2021. This study aims to analyze the impact of this legislation on clinical practice.

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Article Synopsis
  • Endovascular ultrasound renal denervation (uRDN) was shown to lower blood pressure effectively over 36 months in patients with resistant hypertension in the RADIANCE-HTN TRIO trial.
  • The trial involved 69 patients receiving uRDN and 67 patients receiving a sham procedure, with follow-up showing significant blood pressure reductions from baseline and screening measurements.
  • Results indicated that uRDN maintained its effectiveness without major safety issues throughout the 36-month follow-up period.
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Article Synopsis
  • Tumors of salivary glands vary widely and can overlap, making them challenging to diagnose, despite advances in molecular testing.
  • A study examined 363 cases of 20 different salivary gland tumors and found distinct DNA methylation patterns that help classify these tumors, achieving high accuracy with a machine learning algorithm.
  • The research identified specific epigenetic signatures, distinguishing certain tumor types, and suggested that DNA methylation could aid in diagnosing and potentially uncovering new tumor classes in the future.
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Common variants increase risk for congenital diaphragmatic hernia within the context of de novo variants.

Am J Hum Genet

November 2024

Department of Pediatrics, Columbia University Irving Medical Center, New York, NY 10032, USA; Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA. Electronic address:

Congenital diaphragmatic hernia (CDH) is a severe congenital anomaly often accompanied by other structural anomalies and/or neurobehavioral manifestations. Rare de novo protein-coding variants and copy-number variations contribute to CDH in the population. However, most individuals with CDH remain genetically undiagnosed.

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The aim of this study was to evaluate prediction equations to estimate 1RM in different exercises in older men and women with osteopenia/osteoporosis. Forty well-trained older women and men (73 ± 8 years) with osteopenia/osteoporosis performed 1RM dynamic and isometric maximum strength tests on resistance devices. In addition, each participant performed repetitions-to-fatigue (RTF) in the 5-8RM, 9-12RM, and 13-16RM zones.

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Article Synopsis
  • Immunotherapy using immune checkpoint inhibitors (ICIs) shows varied effectiveness against solid tumors, with basal cell carcinoma (BCC) responding poorly compared to cutaneous squamous cell carcinoma (cSCC).
  • The study aimed to evaluate the expression of immune checkpoints (PD-1, PD-L1, CD28, and CD86) in cSCC and BCC using tissue samples and found significantly higher levels in cSCC, particularly in the tumor's invasive front.
  • The results suggest that higher levels of PD-1, PD-L1, and CD28 in cSCC, along with a dominance of inhibitory markers, may explain its better response to anti-PD-1 therapy compared to BCC.
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A high proportion of germline variants in pediatric chronic myeloid leukemia.

Mol Cancer

September 2024

Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Loschgestrasse 15, 91054, Erlangen, Germany.

Article Synopsis
  • * Research on pediatric CML revealed that about 60% of young patients have germline variants, primarily in genes like ASXL1, NOTCH1, KDM6B, and TET2, while adult patients show fewer such variants.
  • * This study suggests that these germline variants may work together with the BCR::ABL1 oncogene to increase the risk of developing CML in children, potentially triggering the disease at an earlier age.
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Fetal body organ T2* relaxometry at low field strength (FOREST).

Med Image Anal

January 2025

Research Department of Early Life Imaging, School of Biomedical Engineering & Imaging Sciences, King's College London, London, UK; Department of Biomedical Engineering, School of Biomedical Engineering & Imaging Sciences, King's College London, London, UK; Smart Imaging Lab, Radiological Institute, University Hospital Erlangen, Erlangen, Germany.

Article Synopsis
  • - Low field fetal MRI (0.55T) offers advantages like fewer imaging artifacts and accessibility for larger patients, but lacks automated processing tools for broader clinical adoption.
  • - The study introduces the FOREST pipeline, which effectively analyzes ten fetal organs using advanced imaging techniques and has been validated for quality.
  • - Findings show a significant relationship between T2* values of most organs and gestational age, suggesting that low field MRI can provide valuable insights for normal and pathological fetal assessments.
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Objective: Vasoplegic syndrome remains a common complication of cardiac surgery. It has serious implications for the healthcare system and individual patients, as it leads to rising healthcare costs and higher mortality. A better understanding of factors triggering vasoplegic syndrome is essential for the development of effective prevention strategies.

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Structural and functional fetal cardiac imaging using low field (0.55 T) MRI.

Front Pediatr

September 2024

Research Department of Early Life Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom.

Article Synopsis
  • The study explores the use of a 0.55 T MRI scanner for detailed imaging of fetal hearts, optimizing techniques and measuring blood flow in key vessels.* -
  • Researchers improved imaging sequences to enhance signal-to-noise ratios, resulting in clearer images of fetal cardiac structures, with assessments by experts confirming the quality.* -
  • The findings indicate that MRI-generated blood flow measurements are comparable to those from ultrasound, showing strong agreement, particularly at lower flow rates.*
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Background: Patients with pathologic complete response (pCR) to neoadjuvant chemotherapy for invasive breast cancer (BC) have better outcomes, potentially warranting less extensive surgical and systemic treatments. Early prediction of treatment response could aid in adapting therapies.

Methods: On-treatment biopsies from 297 patients with invasive BC in three randomized, prospective neoadjuvant trials were assessed (GeparQuattro, GeparQuinto, GeparSixto).

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Reply to Feng Qi's Letter to the Editor re: Niklas Klümper, Viktor Grünwald, Arndt Hartmann, et al. The Role of Microsatellite Instability/DNA Mismatch Repair Deficiency and Tumor Mutational Burden as Biomarkers in Predicting Response to Immunotherapy in Castration-resistant Prostate Cancer. Eur Urol. 2024;86:388-390.

Eur Urol

January 2025

Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany; EMN Comprehensive Cancer Center, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany; Bavarian Center for Cancer Research, Munich, Germany. Electronic address:

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Article Synopsis
  • * These nutrient-starved cancer cells showed increased amounts and sizes of lysosomes, which were primarily located near the nucleus, due to a boost in the protein Rab7a responsible for lysosomal trafficking.
  • * The acidic environment of lysosomes in these cells can trap certain drugs like doxorubicin, contributing to drug resistance, but this resistance can be mitigated by using a lysosomal inhibitor, bafilomycin A1, which, along with 5-Fluorouracil, significantly reduced microtumor volume in tests.
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Electrophysiological studies of the larynx expose the mechanisms by which voice production is controlled. Previous studies have revealed certain phenomena during laryngeal oscillations that suggest a complex control mechanism. Starting from the principle of agonist-antagonist muscular pairing, the aim of this study was to gain a deeper insight into the function of the cricothyroid (CT) and thyroarytenoid (TA) muscles, both central to voice production.

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Article Synopsis
  • Asthma involves lung inflammation and mucus buildup regulated by Th2 cells that release specific interleukins (IL-4, IL-5, IL-13), with house dust mite exposure playing a key role in triggering this response.
  • Basophils are essential for the development of type 2 immunity and promote asthma symptoms such as eosinophilic inflammation and bronchial hyperreactivity during allergen exposure in mouse models.
  • While the elimination of basophils before allergen exposure does not impact Th2 immune response, their removal during the challenge phase affects asthma severity, highlighting basophils as critical players in enhancing allergic inflammation through IL-33 signaling.
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