360 results match your criteria: "Friedrich-Wilhelms University Bonn[Affiliation]"
Environ Microbiol
November 2016
Institute of Plant Biology and Biotechnology, Westfälische Wilhelms-University Münster, 48143, Münster, Germany.
Filamentous fungi produce a vast array of secondary metabolites (SMs) and some play a role in agriculture or pharmacology. Sequencing of the rice pathogen Fusarium fujikuroi revealed the presence of far more SM-encoding genes than known products. SM production is energy-consuming and thus tightly regulated, leaving the majority of SM gene clusters silent under laboratory conditions.
View Article and Find Full Text PDFInt Orthop
January 2017
Department for Orthopaedics und Trauma Surgery, Rheinische Friedrich-Wilhelms-University Bonn, Sigmund-Freud-Strasse 25, 53105, Bonn, Germany.
Purpose: Compared to older patients undergoing total hip arthroplasty (THA) younger patients are considered to be more active, thereby exposing the implant to significantly higher loads over a much longer period of time. Additionally, cases of secondary osteoarthritis caused by hip dysplasia, femoral head necrosis or rheumatic diseases are much more frequent than among the average patient population. Therefore, durable implant fixation and low wear rates are extremely important to achieve good long-term implant survival in this group of patients.
View Article and Find Full Text PDFData Brief
June 2016
Institute of Physical and Theoretical Chemistry, Rheinische Friedrich-Wilhelms University Bonn, Wegelerstraße 12, 53115 Bonn, Germany.
Using a combined approach of pulse chase labeling and single-particle tracking of Crb3A or 3B loaded vesicles we collected trajectories of different vesicle population in living podocyte cells and evaluated statistically their different mobility patterns. Differences in their intracellular mobility and in their directed transport correspond well to the role of Crb3A and 3B in renal plasma membrane sorting (Djuric et al., 2016) [1].
View Article and Find Full Text PDFNutr Metab Cardiovasc Dis
June 2016
Faculty of Medicine and Health Sciences, Department of Public Health, Ghent University, Ghent, Belgium; Dietary Exposure Assessment Group, International Agency for Research on Cancer, Lyon, France. Electronic address:
Background And Aim: In adults, there is some evidence that improving diet reduces blood pressure (BP) and the subsequent risk of cardiovascular diseases (CVDs). However, studies that analyse this association in adolescents are still scarce. The objective of the present study was to examine the associations between heart rate, systolic (SBP), diastolic (DBP) and mean arterial blood pressure (MAP) among European adolescents and usual intake of vegetables, fruits, dairy products, meat, fish, high-sugar foods and savoury snacks.
View Article and Find Full Text PDFWorld Neurosurg
August 2016
Department of Neurosurgery, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany.
Background: Previous clinical studies assumed that early cranioplasty (CP) was mandatory for a favorable neurologic recovery after decompressive craniectomy (DC) for malignant stroke. However, the appropriate timing of the CP procedure after DC remains controversial. This study assessed patients who underwent DC because of cerebral ischemia to determine the appropriate time point of CP and surgical-associated complications.
View Article and Find Full Text PDFArch Pharm (Weinheim)
May 2016
Department of Pharmaceutical Chemistry, Medicinal Chemistry Research, KMCH College of Pharmacy, Kovai Estate, Coimbatore, India.
Twenty-seven hybridized pyrazolone analogs were designed, docked, synthesized in two series and evaluated for their in vitro antimycobacterial properties. In the first series, four Schiff base derivatives, 6b, 7b, 7h, and 7i, show good antitubercular activity with minimum inhibition concentration (MIC) values in the range of 32.56-42.
View Article and Find Full Text PDFJ Immunol Methods
July 2016
Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA; Howard Hughes Medical Institute, USA.
Conventional dendritic cells (cDCs) are essential immune cells linking the innate and adaptive immune system. cDC depletion in mice is an important method to study the function of these cells in vivo. Here we report an inducible in vivo system for cDC depletion in which excision of a loxP flanked Stop signal enables expression of the human diphtheria toxin receptor (DTR) under the control of Zbtb46 (zDC(lSlDTR)).
View Article and Find Full Text PDFJ Exp Med
April 2016
Laboratory of Molecular Immunology, The Rockefeller University, New York, NY, 10065 Howard Hughes Medical Institute, The Rockefeller University, New York, NY, 10065
Conventional dendritic cells (cDCs) play an essential role in host immunity by initiating adaptive T cell responses and by serving as innate immune sensors. Although both innate and adaptive functions of cDCs are well documented, their relative importance in maintaining immune homeostasis is poorly understood. To examine the significance of cDC-initiated adaptive immunity in maintaining homeostasis, independent of their innate activities, we generated a cDC-specific Cre mouse and crossed it to a floxed MHC class II (MHCII) mouse.
View Article and Find Full Text PDFBiochim Biophys Acta
June 2016
Internal Medicine D, Molecular Nephrology, University Hospital of Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany. Electronic address:
The physiological function of epithelia depends on an asymmetric distribution of their membrane domains. Polarity proteins play a crucial role for distribution processes, however, little is known about their mobility in epithelial cells. In this study, we analyzed the intracellular and plasma-membrane-associated mobility of fluorescence-labeled Crb3A and Crb3B.
View Article and Find Full Text PDFPhys Chem Chem Phys
April 2016
Institute of Physical and Theoretical Chemistry, Rheinische Friedrich-Wilhelms-University Bonn, Wegelerstr. 12, 53115 Bonn, Germany.
A rigid, nitroxide substituted terpyridine ligand has been used to synthesize hetero- and homoleptic bis-terpyridine complexes of copper(II). The homoleptic complex represents a three-spin system, while the metal ion in the heteroleptic complex is in average bound to one nitroxide bearing ligand. Both complexes are used as model systems for EPR distance measurements using pulsed electron-electron double resonance (PELDOR or DEER) and relaxation induced dipolar modulation enhancement (RIDME) sequences.
View Article and Find Full Text PDFWorld Allergy Organ J
March 2016
Department of Dermatology and Allergy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany.
Background: Skin patch test is the gold standard method in diagnosing contact allergy. Although used for more than 100 years, the patch test procedure is performed with variability around the world. A number of factors can influence the test results, namely the quality of reagents used, the timing of the application, the patch test series (allergens/haptens) that have been used for testing, the appropriate interpretation of the skin reactions or the evaluation of the patient's benefit.
View Article and Find Full Text PDFCrit Care
March 2016
Department of Anesthesiology and Intensive Care Medicine, University Medical Center Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany.
J Comp Physiol A Neuroethol Sens Neural Behav Physiol
June 2016
Chair of Zoology, Technical University of Munich, Liesel-Beckmann-Str. 4, 85354, Freising-Weihenstephan, Germany.
Rattlesnakes perceive IR radiation with their pit organs. This enables them to detect and strike towards warm-blooded prey even in the dark. In addition, the IR sense allows rattlesnakes to find places for thermoregulation.
View Article and Find Full Text PDFNeurourol Urodyn
February 2016
Faculty of Health Sciences, Institut for Klinisk Medicin, Aarhus Universitet, Denmark.
Aims: Urethral pathophysiology is often neglected in discussions of bladder dysfunction. It has been debated whether "urethral sphincter instability," referred to based on observed "urethral pressure variations," is an important aspect of overactive bladder syndrome (OAB). The purpose of this report is to summarize current urethral pathophysiology evidence and outline directions for future research based on a literature review and discussions during the ICI-RS meeting in Bristol in 2014.
View Article and Find Full Text PDFJ Comp Physiol B
May 2016
Institute for Zoology, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany.
Spiders (Araneae) are unique regarding their respiratory system: they are the only animal group that breathe simultaneously with lungs and tracheae. Looking at the physiology of respiration the existence of tracheae plays an important role in spiders with a well-developed tracheal system. Other factors as sex, life time, type of prey capture and the high ability to gain energy anaerobically influence the resting and the active metabolic rate intensely.
View Article and Find Full Text PDFBMC Health Serv Res
January 2016
Department of Palliative Medicine, University Medical Center Friedrich-Wilhelms-University Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany.
Background: General practitioners (GPs) play an important role in end-of-life care due to their proximity to the patient's dwelling-place and their contact to relatives and other care providers.
Methods: In order to get a better understanding of the role which the GP sees him- or herself as playing in end-of-life care and which care their dying patients get, we conducted this written survey. It asked questions about the most recently deceased patient of each physician.
Arch Gynecol Obstet
September 2016
Department of Obstetrics and Gynecology, Erlangen University Hospital, Universitätsstrasse 21-23, 91054, Erlangen, Germany.
Introduction: To evaluate the influence of the time interval between examination and delivery on the accuracy of sonographic fetal weight estimation (WE).
Materials And Methods: 8723 singleton pregnancies were included in this retrospective cohort study. Fetuses were divided into eight groups with regard to the time interval between estimation and delivery (group 1: 0 days; group 2: 1-3 days; group 3: 4-7 days; group 4: 8-14 days; group 5: 15-21 days; group 6: 22-28 days; group 7: 29-35 days; group 8: 36-42 days).
Environ Microbiol
March 2016
Institute of Plant Biology and Biotechnology, Westfälische Wilhelms-University, Schlossplatz 8, 48143, Münster, Germany.
Fusaric acid (FSA) is a mycotoxin produced by several fusaria, including the rice pathogen Fusarium fujikuroi. Genes involved in FSA biosynthesis were previously identified as a cluster containing a polyketide synthase (PKS)-encoding (FUB1) and four additional genes (FUB2-FUB5). However, the biosynthetic steps leading to FSA as well as the origin of the nitrogen atom, which is incorporated into the polyketide backbone, remained unknown.
View Article and Find Full Text PDFEur J Nutr
March 2017
IEL - Nutritional Epidemiology, DONALD Study at the Research Institute of Child Nutrition, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225, Dortmund, Germany.
Purpose: A biomarker for dietary flavonoid intake from fruit and vegetables (FlavFV) is needed to elucidate the relevance of flavonoids from these sources for the prevention of chronic diseases. Urinary hippuric acid (HA)-a major metabolite of flavonoids-is promising in this respect as it was shown to satisfyingly indicate fruit and vegetable consumption in different age groups. Therefore, we validated urinary HA as a biomarker for intake of FlavFV.
View Article and Find Full Text PDFEnviron Microbiol
April 2016
Laboratory for Molecular Microbiology, Department of Biology, Philipps-University, Karl-von-Frisch Str. 8, D-35043, Marburg, Germany.
Ectoine and hydroxyectoine are compatible solutes widely synthesized by members of the Bacteria to cope with high osmolarity surroundings. Inspection of 557 archaeal genomes revealed that only 12 strains affiliated with the Nitrosopumilus, Methanothrix or Methanobacterium genera harbour ectoine/hydroxyectoine gene clusters. Phylogenetic considerations suggest that these Archaea have acquired these genes through horizontal gene transfer events.
View Article and Find Full Text PDFBr J Nutr
February 2016
1Institute of Nutritional and Food Sciences - Nutritional Epidemiology,Dortmund Nutritional and Anthropometric Longitudinally Designed (DONALD) Study at the Research Institute of Child Nutrition, Rheinische Friedrich-Wilhelms-University Bonn,Heinstueck 11,44225 Dortmund,Germany.
The growth hormone (GH) insulin-like growth factor (IGF) axis has been linked to insulin metabolism and cancer risk. Experimental evidence indicates that the GH-IGF axis itself can be influenced by dietary flavonoids. As fruit and vegetable (FV) intake is a major source of flavonoid consumption, FV's beneficial health effects may be explained via flavonoids' influence on the GH-IGF axis, but observational evidence is currently rare.
View Article and Find Full Text PDFJ Control Release
December 2015
Institute of Physiology, University of Zürich and Zürich Center for Integrative Human Physiology, CH-8057 Zurich, Switzerland. Electronic address:
Enhanced levels of the inflammatory chemokine CCL2 are known to correlate with increased tumorigenesis and metastases, and thereby poor prognosis for cancer patients. The CCL2-CCR2 chemokine axis was shown to facilitate the metastatic initiation through the recruitment of inflammatory monocytes and the activation of endothelial cells at metastatic sites. Both steps are required for efficient cancer cell trans-endothelial migration and seeding in the targeted tissue.
View Article and Find Full Text PDFEur J Clin Nutr
March 2016
Department of Epidemiology and Health Monitoring, Robert Koch Institute, Berlin, Germany.
Background/objectives: The objective of this study was to quantify body weight changes in German adult populations during the past decades.
Subjects/methods: Longitudinal analysis of seven cohort studies covering different age ranges between 18 and 83 years. Baseline examinations were between 1994 and 2007 and follow-up durations between 4.
J Cell Sci
October 2015
Institute of Physical and Theoretical Chemistry, Rheinische Friedrich-Wilhelms-University Bonn, Wegeler Str. 12, Bonn 53115, Germany
RNA molecules carry out widely diverse functions in numerous different physiological processes in living cells. The RNA life cycle from transcription, through the processing of nascent RNA, to the regulatory function of non-coding RNA and cytoplasmic translation of messenger RNA has been studied extensively using biochemical and molecular biology techniques. In this Commentary, we highlight how single molecule imaging and particle tracking can yield further insight into the dynamics of RNA particles in living cells.
View Article and Find Full Text PDFJ Alzheimers Dis
September 2015
Department of Psychiatry and Psychotherapy, Rheinische-Friedrich-Wilhelms University Bonn, Bonn, Germany.
Background: Feature binding is a sensitive and specific cognitive marker for Alzheimer's disease (AD). Subjective cognitive decline (SCD) and mild cognitive impairment (MCI) are clinical categories associated with an increased risk for AD.
Objective: To investigate whether the SCD and MCI group are impaired with regard to feature binding.