22,669 results match your criteria: "UniVersity of Bonn[Affiliation]"
J Neurol Sci
December 2024
Institute of Neuroanatomy, Faculty of Medicine, University of Bonn and University Hospital Bonn, Nussallee 10, 53115 Bonn, Germany. Electronic address:
Background And Objectives: Magnetic resonance imaging (MRI) and neurohistopathology are important correlates for evaluation of disease progression in multiple sclerosis (MS). Here we used experimental autoimmune encephalomyelitis (EAE) as an animal model of MS to determine the correlation between clinical EAE severity, MRI and histopathological parameters.
Methods: N = 11 female C57BL/6J mice were immunized with human myelin oligodendrocyte glycoprotein 1-125, while N = 9 remained non-immunized.
Stem Cell Res
December 2024
Institute of Physiology I, Medical Faculty, University of Bonn, Germany. Electronic address:
BAG3 contributes to the maintenance of proteostasis through chaperone-assisted selective autophagy. This function is impaired by a single amino acid exchange (P209L) in the protein, which causes myofibrillar myopathy-6 (MFM6). This disease manifests as severe skeletal muscle weakness, neuropathy and restrictive cardiomyopathy.
View Article and Find Full Text PDFEur Arch Psychiatry Clin Neurosci
December 2024
Department of Psychiatry, University of Muenster, Muenster, Germany.
Schizophrenia (SCZ), bipolar (BD) and major depression disorder (MDD) are severe psychiatric disorders that are challenging to treat, often leading to treatment resistance (TR). It is crucial to develop effective methods to identify and treat patients at risk of TR at an early stage in a personalized manner, considering their biological basis, their clinical and psychosocial characteristics. Effective translation of theoretical knowledge into clinical practice is essential for achieving this goal.
View Article and Find Full Text PDFFront Vet Sci
December 2024
Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlinand Humboldt-Universität zu Berlin, Berlin, Germany.
Introduction: Brucellosis and Rift Valley fever (RVF) are neglected zoonotic diseases (NZD) that threaten public health, animal health, and production in resource-limited countries including Namibia.
Methods: The objective of this cross-sectional study was to determine spp. and RVFV seroprevalence in cattle at the wildlife-livestock interface in the Kabbe South constituency (Zambezi region) of Namibia.
Mol Ecol Resour
December 2024
Biodiversity and Ecosystem Research Group, Institute of Landscape Ecology, University of Münster, Münster, Germany.
Biodiversity monitoring increasingly relies on molecular methods such as eDNA metabarcoding. However, sound applications have so far been only established for a limited number of taxonomic groups. More information on the strengths and weaknesses of eDNA methods, especially for poorly covered groups, is essential for practical applications to achieve the highest possible reliability.
View Article and Find Full Text PDFJ Dairy Sci
January 2025
Estación Experimental del Zaidín, CSIC, 18008 Granada, Spain. Electronic address:
Despite the increasing interest in developing antimethanogenic additives to reduce enteric methane (CH) emissions and the extensive research conducted over the last decades, the global livestock industry has a very limited number of antimethanogenic feed additives (AMFA) available that can deliver substantial reduction, and they have generally not reached the market yet. This work provides technical recommendations and guidelines for conducting tests intended to screen the potential to reduce, directly or indirectly, enteric CH of compounds before they can be further assessed in in vivo conditions. The steps involved in this work cover the discovery, isolation, and identification of compounds capable of affecting CH production by rumen microbes, followed by in vitro laboratory testing of potential candidates.
View Article and Find Full Text PDFMethods Mol Biol
December 2024
LIMES, University of Bonn, Bonn, Germany.
Light can be used as a precise and reversible trigger for the activation of optogenetic tools with subcellular resolution. The interaction of the photoreceptor PAL and aptamer 53 was integrated into a CRISPR/dCas9 system, which can be applied for light-controlled activation of gene expression. Here, we describe a protocol for in vitro application of light-dependent overexpression using eBFP as a proof of concept.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
December 2024
Department of Ophthalmology, University of Bonn, Bonn, Germany.
Purpose: The relative ellipsoid zone reflectivity (rEZR) is an innovative biomarker for photoreceptor alterations and showed association with disease staging in macular telangiectasia type 2 (MacTel). However, its prognostic relevance for the ellipsoid zone (EZ) loss is unclear.
Methods: Longitudinal spectral-domain optical coherence tomography (SD-OCT) imaging of patients with MacTel from an observational natural history study was used for en face determination of manifest EZ loss.
BJPsych Open
December 2024
Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Germany.
Background: Employment and relationship are crucial for social integration. However, individuals with major psychiatric disorders often face challenges in these domains.
Aims: We investigated employment and relationship status changes among patients across the affective and psychotic spectrum - in comparison with healthy controls, examining whether diagnostic groups or functional levels influence these transitions.
J Anim Sci
December 2024
TERRA Teaching and Research Center, University of Liège, Gembloux Agro-Bio Tech (ULiège-GxABT), 5030 Gembloux, Belgium.
Using genetic selection for raising intact boars, which improves growth and feed efficiency, is a promising alternative to castration for mitigating boar taint. Selective breeding has the potential to help to identify and select for genetic lines with a reduced risk of boar taint. Common phenotypes are laboratory measurements of skatole (SKA) and androstenone (ANON) i.
View Article and Find Full Text PDFEur Neuropsychopharmacol
December 2024
Bipolar and Depressive Disorders Unit, Hospital Clinic de Barcelona, Barcelona, Spain; Fundació Clínic per la Recerca Biomèdica-Institut d'Investigacions Biomèdiques August Pi i Sunyer (FCRB-IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.
Older Adults with Bipolar Disorder (OABD) represent a heterogeneous group, including those with early and late onset of the disorder. Recent evidence shows both groups have distinct clinical, cognitive, and medical features, tied to different neurobiological profiles. This study explored the link between polygenic risk scores (PRS) for bipolar disorder (PRS-BD), schizophrenia (PRS-SCZ), and major depressive disorder (PRS-MDD) with age of onset in OABD.
View Article and Find Full Text PDFFront Immunol
December 2024
Division of Infectious Diseases, Department of Medicine Solna and Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden.
Introduction: Malaria remains a significant burden, and a fully protective vaccine against is critical for reducing morbidity and mortality. Antibody responses against the blood-stage antigen Merozoite Surface Protein 2 (MSP2) are associated with protection from malaria, but its extensive polymorphism is a barrier to its development as a vaccine candidate. New tools, such as long-read sequencing and accurate protein structure modelling allow us to study the genetic diversity and immune responses towards antigens from clinical isolates with unprecedented detail.
View Article and Find Full Text PDFNat Hum Behav
December 2024
Department of Archaeology, University of Cambridge, Cambridge, UK.
Over the past decade, multidisciplinary research has seen the Amazon Basin go from a context perceived as unfavourable for food production and large-scale human societies to one of 'garden cities', domestication, and anthropogenically influenced forests and soils. Nevertheless, direct insights into human interactions with particular crops and especially animals remain scarce across this vast area. Here we present new stable carbon and nitrogen isotope data from 86 human and 68 animal remains dating between CE ~700 and 1400 from the Llanos de Mojos, Bolivia.
View Article and Find Full Text PDFSci Rep
December 2024
Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, University of Duisburg-Essen, Hufelandstr. 55, 45122, Essen, Germany.
Objectives: C-Reactive Protein (CRP) values are partly determined by variation at the CRP gene locus, but also influenced by socioeconomic position (SEP) and related lifestyle factors. As gene-by-SEP interactions have been suggested for traits associated with CRP and SEP (e.g.
View Article and Find Full Text PDFJ Med Genet
December 2024
Institute of Neuroanatomy, Medical Faculty, University of Bonn, Bonn, Germany.
Background: Previous studies in mouse, and zebrafish embryos show strong expression in progenitor cells of neuronal and neural crest tissues suggesting its involvement in neural crest specification. However, the role of human transcription factor activator protein 2 ( in human embryonic central nervous system (CNS), orofacial and maxillofacial development is unknown.
Methods: Through a collaborative work, exome survey was performed in families with congenital CNS, orofacial and maxillofacial anomalies.
PLoS Pathog
December 2024
Institute of Human Genetics, School of Medicine, University Bonn & University Hospital Bonn, Bonn, Germany.
Courses of SARS-CoV-2 infections are highly variable, ranging from asymptomatic to lethal COVID-19. Though research has shown that host genetic factors contribute to this variability, cohort-based joint analyses of variants from the entire allelic spectrum in individuals with confirmed SARS-CoV-2 infections are still lacking. Here, we present the results of whole genome sequencing in 1,220 mainly vaccine-naïve individuals with confirmed SARS-CoV-2 infection, including 827 hospitalized COVID-19 cases.
View Article and Find Full Text PDFPLoS One
December 2024
Institute of Human Genetics, School of Medicine & University Hospital Bonn, University of Bonn, Bonn, Germany.
Male-pattern hair loss (MPHL) is the most common form of hair loss in humans. Limited treatment options exist, which are not curative and vary in efficacy and invasiveness. Therapeutic and cosmetic hair growth stimulating agents that alleviate hair loss at a low risk of side effects are therefore of interest.
View Article and Find Full Text PDFChembiochem
December 2024
Monash University, Department of Biochemistry and Molecular Biology, 15 Innovation Walk, Monash University, 3800, Melbourne, AUSTRALIA.
The biarylitides are a recently discovered class of RiPP natural products that are fascinating both from the small size of the core peptides as well as the diversity of peptide crosslinking exhibited by the cytochrome P450 enzymes found in these systems. In this review, we address the discovery and biosynthetic diversity of these systems and discuss the methods and challenges of analysing the structures of these constrained cyclic peptides. We also discuss the structures of the P450 enzymes involved in these pathways and address the potential for alternate catalytic outcomes and activities as seen most recently with the inclusion of biarylitide related enzymes within rufomycin biosynthesis.
View Article and Find Full Text PDFNeurooncol Adv
October 2024
Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Background: Ependymomas of the spinal cord are rare among children and adolescents, and the individual risk of disease progression is difficult to predict. This study aims to evaluate the prognostic impact of molecular typing on pediatric spinal cord ependymomas.
Methods: Eighty-three patients with spinal ependymomas ≤22 years registered in the HIT-MED database (German brain tumor registry for children, adolescents, and adults with medulloblastoma, ependymoma, pineoblastoma, and CNS-primitive neuroectodermal tumors) between 1992 and 2022 were included.
Front Public Health
December 2024
Biology Education, University of Bonn, Bonn, Germany.
The COVID-19 pandemic has underscored the importance of informed decision-making, especially concerning vaccination for disease prevention. This highlights the need for scientific literacy, trust, and understanding of relevant concepts such as pathogens, immune responses, and transmission pathways. Additionally, societal and ethical considerations are integral for a comprehensive approach.
View Article and Find Full Text PDFPlant Physiol
December 2024
Plant Breeding, TUM School of Life Sciences, Technical University of Munich, 85354 Freising, Germany.
The sustainability of maize cultivation would benefit tremendously from early sowing, but is hampered by low temperatures during early development in temperate climates. We show that allelic variation within the gene encoding subunit M of the NADH-dehydrogenase-like (NDH) complex (ndhm1) in a European maize landrace affects several quantitative traits that are relevant during early development in cold climates through NDH-mediated cyclic electron transport (CET) around photosystem I, a process crucial for photosynthesis and photoprotection. Beginning with a genome-wide association study for maximum potential quantum yield of photosystem II in dark-adapted leaves (Fv/Fm), we capitalized on the large phenotypic effects of a hAT transposon insertion in ndhm1 on multiple quantitative traits (early plant height, Fv/Fm, chlorophyll content, and cold tolerance) caused by the reduced protein levels of NDHM and associated NDH components.
View Article and Find Full Text PDFJ Nutr
December 2024
National Center for International Research on Animal Gut Nutrition, Jingsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, Nanjing Agricultural University, Nanjing, 210095 China; College of Animal Science & Technology, Nanjing Agricultural University, Weigang 1, Nanjing 210095, China. Electronic address:
Background: Rumen methane emissions (RME) significantly contribute to global greenhouse gas emissions, underscoring the essentials to identify effective inhibitors for RME mitigation. Despite various inhibitors shown potential in reducing RME by modulating rumen microbes, their impacts include considerable variations and inconsistency.
Objective: We aimed to quantitively assess the impacts of various methane inhibitors on RME, rumen microbial abundance and fermentation in ruminants.
Public Health Nutr
December 2024
Institute for Food and Resource Economics, University of Bonn, Nußallee 21, 53115 Bonn, Germany,
Objective: This study examines public support-and its drivers-for comprehensive policy packages (i.e., bundles of coherent policy measures introduced together) aimed at improving food environments.
View Article and Find Full Text PDFEBioMedicine
December 2024
Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany; Department of Neurology, Faculty of Medicine, University of Bonn, Germany. Electronic address:
Background: Emerging findings indicate that the hypothalamus, the body's principal homeostatic centre, plays a crucial role in modulating cognition, but comprehensive population-based studies are lacking.
Methods: We used cross-sectional data from the Rhineland Study (N = 5812, 55.2 ± 13.
Clin Exp Metastasis
December 2024
Department of Radiation Oncology, University Hospital Schleswig-Holstein Campus Kiel, Arnold-Heller-Str.3, 24105, Kiel, Germany.
Metastasis-directed therapy (MDT) for oligometastatic breast cancer (≤ 5 metastases) has shown little effect in specific scenarios of randomized trials. Therefore, we aimed to assess outcomes after metastasis-directed stereotactic radiotherapy (SRT) in various clinical scenarios. We conducted an international retrospective cohort study in thirteen centers including breast cancer patients receiving SRT to any metastatic site.
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