2,691 results match your criteria: "University Hospital Aachen. [corrected][Affiliation]"
NPJ Digit Med
December 2024
Institute of Pathology, University Clinic Aachen, RWTH Aachen University, Aachen, Germany.
Deep learning (DL) holds great promise to improve medical diagnostics, including pathology. Current DL research mainly focuses on performance. DL implementation potentially leads to environmental consequences but approaches for assessment of both performance and carbon footprint are missing.
View Article and Find Full Text PDFBiomaterials
December 2024
Department of Medicine 2 (Nephrology, Rheumatology, Clinical Immunology, Hypertension), RWTH Aachen University Medical Faculty, Aachen, Germany; Department of Internal Medicine, Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, the Netherlands. Electronic address:
Chronic kidney disease (CKD) affects more than 10% of the global population. As kidney function negatively correlates with the presence of interstitial fibrosis, the development of new anti-fibrotic therapies holds promise to stabilize functional decline in CKD patients. The goal of the study was to generate a scalable bioprinted 3-dimensional kidney tubulo-interstitial disease model of kidney fibrosis.
View Article and Find Full Text PDFCells
November 2024
Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074 Aachen, Germany.
Hepatobiliary cancers, such as hepatocellular carcinoma (HCC) and cholangiocarcinoma (CCA), are among the deadliest malignancies worldwide, leading to a significant number of cancer-related deaths. While bone metastases from these cancers are rare, they are highly aggressive and linked to poor prognosis. This review focuses on RNA-based molecular mechanisms that contribute to bone metastasis from hepatobiliary cancers.
View Article and Find Full Text PDFNat Commun
December 2024
Institute of Pathology, University Hospital Cologne, 50937, Cologne, Germany.
Histological slides contain numerous artifacts that can significantly deteriorate the performance of image analysis algorithms. Here we develop the GrandQC tool for tissue and multi-class artifact segmentation. GrandQC allows for high-precision tissue segmentation (Dice score 0.
View Article and Find Full Text PDFEur J Immunol
December 2024
Institute of Biochemistry and Molecular Immunology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
Mast cell (MC)-driven allergic diseases are constantly expanding and require the development of novel pharmacological MC stabilizers. Allergen/antigen (Ag)-triggered activation via crosslinking of the high-affinity receptor for IgE (FcεRI) is fundamentally regulated by SRC family kinases, for example, LYN and FYN, exhibiting positive and negative functions. We report that KIRA6, an inhibitor for the endoplasmic reticulum stress sensor IRE1α, suppresses IgE-mediated MC activation by inhibiting both LYN and FYN.
View Article and Find Full Text PDFNPJ Digit Med
December 2024
Department of Diagnostic and Interventional Radiology, Technical University of Munich, School of Medicine and Health, Klinikum rechts der Isar, TUM University Hospital, Munich, Germany.
Autonomous Medical Evaluation for Guideline Adherence (AMEGA) is a comprehensive benchmark designed to evaluate large language models' adherence to medical guidelines across 20 diagnostic scenarios spanning 13 specialties. It includes an evaluation framework and methodology to assess models' capabilities in medical reasoning, differential diagnosis, treatment planning, and guideline adherence, using open-ended questions that mirror real-world clinical interactions. It includes 135 questions and 1337 weighted scoring elements designed to assess comprehensive medical knowledge.
View Article and Find Full Text PDFSci Rep
December 2024
Institute for Computational Biomedicine, RWTH Aachen University, Aachen, Germany.
Patients with diabetes mellitus (DM) and chronic kidney disease (CKD) exhibit an elevated risk for cardiac arrhythmias, such as bradycardia, which may potentially lead to sudden cardiac death (SCD). While hypoglycemia, defined as a critical drop in glucose levels below the normal range, has long been associated with adverse cardiovascular events, recent studies have highlighted the need for a comprehensive reevaluation of its direct impact on cardiovascular outcomes, particularly in high-risk populations such as those with DM and CKD. In this study, we investigated the association between glucose levels and bradycardia by simultaneously monitoring interstitial glucose (IG) and ECG for 7 days in insulin-treated patients with DM and CKD.
View Article and Find Full Text PDFJ Clin Pathol
December 2024
Department of Surgical Pathology, CHU de Bordeaux Pôle biologie et pathologie, Bordeaux, France.
The healthcare sector significantly contributes to global greenhouse gas emissions, with surgical pathology (SP) playing a notable role. This review explores the ecological transformation of SP, offering a global overview of existing challenges and sustainable initiatives worldwide.While some countries, such as the UK and France, have developed national strategies to reduce the carbon footprint of healthcare, including SP, many regions remain at an early stage of implementing green practices.
View Article and Find Full Text PDFNuklearmedizin
December 2024
Klinik für Nuklearmedizin, University Hospital Aachen, Aachen, Germany.
In this study, standard 2D lung lobe quantification is compared with two 3D lung lobe quantification software tools to investigate the clinical benefit of a 3D approach. The accuracy of 2D versus 3D lung lobe quantification is evaluated based on the calculated numerical ventilation-perfusion ratio (VQR) using a receiver operating curve (ROC) analysis.A study group of 50 consecutive patients underwent a planar lung scintigraphy (anterior/posterior) as well as ventilation/perfusion single photon emission computed tomography (SPECT/CT) to exclude acute pulmonary embolism.
View Article and Find Full Text PDFJ Diabetes
December 2024
Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany.
A 34-year-old male patient presented with a clinical picture of multilocular subcutaneous skin nodules in addition to marked lymphadenopathy and general physical deterioration. A comprehensive diagnostic workup including serology, skin biopsy and imaging studies led to the initial diagnosis of human immunodeficiency virus (HIV) infection in AIDS stage with rare multilocular subcutaneous bacillary angiomatosis (BA) caused by Bartonella henselae. BA describes a process of neovascularisation of the skin or of internal organs (particularly the liver and spleen) and was first described in HIV-positive patients by Stoler et al.
View Article and Find Full Text PDFInteract J Med Res
November 2024
Evidera, The Ark, London, United Kingdom.
Background: Clinical decision support systems (CDSSs) are designed to assist in health care delivery by supporting medical practice with clinical knowledge, patient information, and other relevant types of health information. CDSSs are integral parts of health care technologies assisting in disease management, including diagnosis, treatment, and monitoring. While electronic medical records (EMRs) serve as data repositories, CDSSs are used to assist clinicians in providing personalized, context-specific recommendations derived by comparing individual patient data to evidence-based guidelines.
View Article and Find Full Text PDFAnal Sci
November 2024
Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), Medical Faculty, RWTH University Hospital Aachen, Pauwelsstraße 30, 52074, Aachen, Germany.
Calibrations in LA-ICP-MS are typically very time-consuming and complex, as they need to be matched to the samples being measured and sectioned on a microtome. Alternatively, gelatin can be in droplet form or as a section, which is a more recent development. In this study, we report on investigations where hot multi-element gelatin solutions are placed in a linear fashion on microscopic slides to conduct comparative statistical observations between doped tissue homogenates from the liver and lung.
View Article and Find Full Text PDFCells
November 2024
Croatian Institute for Brain Research, School of Medicine University of Zagreb, C-10000 Zagreb, Croatia.
Background: The Neuro-2a cell line, derived from a murine neuroblastoma (NB), was established as early as 1969 and originates from a transplantable tumor that arose spontaneously in an A/Jax male mouse in 1940. Since then, it has been applied in over 10,000 studies and is used by the World Organization for Animal Health for the routine diagnosis of rabies. Surprisingly, however, Neuro-2a has never been genetically characterized in detail; this study fills that gap.
View Article and Find Full Text PDFCells
November 2024
Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), University Hospital Aachen, D-52074 Aachen, Germany.
Cell culture banks play a crucial role in advancing biomedical research by providing standardized, reproducible biological materials essential for various applications, from drug development to regenerative medicine. This opinion article presents a comprehensive overview of cell culture banks, exploring their establishment, maintenance, and characterization processes. The significance of ethical considerations and regulatory frameworks governing the use of cell lines is discussed, emphasizing the importance of quality control and validation in ensuring the integrity of research outcomes.
View Article and Find Full Text PDFN Engl J Med
October 2024
From the Department of Hematology, Oncology and Clinical Immunology (G.K., B.-N.B., P.-M.B., N.L., A.R., M. Seifert, C.S., U.G., R.-P.C., K.N., P.J., T.U., S.D.), the Institute of Pathology (M. Seidel, I.E.), the Institute for Transplantation Diagnostics and Cellular Therapy (J.C.F., J.M.R.), the Departments of Nuclear Medicine (F.G.), Rheumatology (J.H.W.D.), and Neurology (S.G.M.), and the Hiller Research Center (J.H.W.D.), University Hospital Düsseldorf, the Center for Integrated Oncology, Aachen-Bonn-Cologne-Düsseldorf (G.K., B.-N.B., P.-M.B., N.L., A.R., M. Seifert, C.S., U.G., R.-P.C., K.N., P.J., T.U., S.D.), and the Department of Diagnostic and Interventional Radiology, University Düsseldorf (G.A.), Düsseldorf, Medical Department II, Hematology and Oncology (M.B., H.T.), and the Department of Pathology (I.I.), University Medical Center Schleswig-Holstein, Kiel, the Department of Hematology, Oncology and Cancer Immunology, Campus Virchow, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin (L.W., F.D.), Berlin Institute of Health, Charité Universitätsmedizin Berlin (S.Y., S.H.), and Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (S.Y., S.H.), Berlin, the Computational Oncology Group, Molecular Precision Oncology Program, National Center for Tumor Diseases Heidelberg (N.P.), the Innovation and Service Unit for Bioinformatics and Precision Medicine (D.H.), German Cancer Research Center, the European Molecular Biology Laboratory, Molecular Medicine Partnership Unit (D.F.), German Cancer Consortium (D.H., S.H., F.D.), the Pattern Recognition and Digital Medicine Group, Heidelberg Institute for Stem Cell Technology and Experimental Medicine (D.H.), the Medical Faculty of Heidelberg (J.L.) and the Department of Medicine V (S.D.), Heidelberg University, German Cancer Consortium, partner site Berlin, and German Cancer Research Center (S.H., F.D.), Heidelberg, the Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen (R.K.), and the Department of Internal Medicine I, University Hospital Aachen, RWTH Aachen University, Aachen (M.J.) - all in Germany; and Biomedical Research, Novartis (S.L., P.U.), and Novartis Pharma (H.D.M., H.J.M., J.G.) - both in Basel, Switzerland.
The development of a fatal, clonal, autonomously proliferating CD4-CD8- chimeric antigen receptor (CAR)+ peripheral T-cell lymphoma (PTCL) occurred 1 month after a patient received treatment with tisagenlecleucel for relapsed primary central nervous system lymphoma. The PTCL had a clonal T-cell receptor rearrangement, which was already detectable in the apheresis product for CAR T-cell manufacturing and 7 months earlier for autologous transplantation. Somatic and mutations in CD34+ stem cells and their progeny were detected in the PTCL, in the apheresis specimen that was obtained for CAR T-cell production, and in the autotransplant.
View Article and Find Full Text PDFUrolithiasis
November 2024
Department of Urology, University Hospital Tübingen, Hoppe-Seyler-Str. 3, D-72076, Tübingen, Germany.
Nat Commun
November 2024
National Center for Tumor Diseases (NCT), Heidelberg University Hospital, Heidelberg, Germany.
Medical image classification requires labeled, task-specific datasets which are used to train deep learning networks de novo, or to fine-tune foundation models. However, this process is computationally and technically demanding. In language processing, in-context learning provides an alternative, where models learn from within prompts, bypassing the need for parameter updates.
View Article and Find Full Text PDFCrit Care Med
November 2024
Department of Neurosurgery, University Medical Center Göttingen, Göttingen, Germany.
Objectives: Subarachnoid hemorrhage (SAH) may critically impair cardiovascular, metabolic, and gastrointestinal function. Previous research has demonstrated compromised drug absorption in this group of patients. This study aimed to examine the impact of SAH on gastrointestinal function and its subsequent effect on the absorption of enterally administered drugs, using esomeprazole as a probe drug.
View Article and Find Full Text PDFDigit Health
November 2024
Department of Innovation in Healthcare, German Foundation for the Chronically Ill, Berlin, Germany.
Background: Heart failure (HF) is a chronic disease characterized by high mortality and healthcare expenditures. Digital health solutions, including mobile health applications (apps), offer opportunities to enhance patients' self-care and quality of life. This qualitative study aimed to explore expectations, experiences, and usage behaviour of HF-patients regarding a self-care app ( app).
View Article and Find Full Text PDFAdv Healthc Mater
November 2024
Chemical Process Engineering (AVT.CVT), RWTH Aachen University, Forckenbeckstr. 51, 52074, Aachen, Germany.
Front Cardiovasc Med
September 2024
Department of Cardiac Surgery, Faculty of Medicine, RWTH University Hospital Aachen, RWTH Aachen University, Aachen, Germany.
J Cell Commun Signal
September 2024
The present manuscript reports on the progress made toward the official announcement of the first World Conference on Cellular Communication and Signaling. This conference is made possible by the Association for research on biosignaling and communication initiative, which was originally launched in 2020 and revitalized during the 12th International Workshop on the Cell Communication Network family of genes in Oslo (June 20-23, 2024). The aim of this conference is to facilitate interactions among the members of societies interested in all aspects of research on Biosignaling and Communication.
View Article and Find Full Text PDFJ Cell Commun Signal
September 2024
International CCN Society Nice France.
The 12th international workshop on the CCN family of genes took place at the Scandic Holmenkollen Park Hotel in Oslo, Norway from June 20-23, 2024. In 2024, it was the second time, following the Nice meeting in 2022, that the scientific topics were expanded to include additional cellular signaling and communication pathways of interest to the CCN Society members, as suggested by Bernard Perbal in 2019. The 12th international CCN workshop, organized by Håvard Attramadal and Vivi T.
View Article and Find Full Text PDFEur J Haematol
November 2024
Department I of Internal Medicine, Medical Faculty and University Hospital of Cologne, University of Cologne, Köln, Germany.
A growing list of therapies available for patients with multiple myeloma (MM) results in deep response rates, but eventually almost all patients relapse. Allogeneic hematopoietic cell transplantation (allo-SCT) is a familiar approach for MM, but responses are often short and side effects burdensome. Simultaneously, allo-SCT provides a unique platform on which novel immune therapies can be employed to improve clinical outcomes.
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