341 search results for “infections” in the Public website
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Comparative biology of common and grey seals along the Dutch coast : stranding, disease, rehabilitation and conservation
Promotores: H.A. Udo De Haes, P.M. Brakefield
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Synthesis of oligosaccharide libraries from GBS capsular polysaccharides for structure-based selection of vaccine candidates
Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.
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Current and next generation influenza vaccines: Formulation and production strategies
Vaccination is the most effective method to prevent influenza infection. However, current influenza vaccines have several limitations. Relatively long production times, limited vaccine capacity, moderate efficacy in certain populations and lack of cross-reactivity are important issues that need to be…
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Buccal and sublingual vaccine delivery
Because of their large surface area and immunological competence, mucosal tissues are attractive administration and target sites for vaccination.
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Dosing considerations for preterm neonates: from pharmacometrics to clinical practice
Prematurely born neonates require, amongst others, pharmaceutical therapy. Dosing guidelines for these therapies are often based on data from term born neonates or older infants, while these are not necessarily similar to prematurely born neonates.
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Toll-like receptor signaling in the innate immune system of zebrafish larvae
Promotor: H.P. Spaink, A.H. Meijer Co-promotor: R. Marin-Juez
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Fast vaccine design and development based on correlates of protection (COPs) Influenza as a trendsetter
New and reemerging infectious diseases call for innovative and efficient control strategies of which fast vaccine design and development represent an important element.
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New polymyxin antibiotics for old problems: addressing nephrotoxicity and resistance
Polymyxins are clinically used antibiotics, discovered in mid-20th century. Once abandoned due to excessive nephrotoxicity, they are now used increasingly to address infections caused by multi-drug resistant Gram-negative bacteria.In this thesis, we describe the development and synthesis of analogues…
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Chemical biology of antigen presentation by MHC molecules
MHC class I and MHC class II molecules present peptides to the immune system to drive proper T cell responses. Pharmacological modulation of T-cell responses can offer treatment options for a range of immune-related diseases.
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Non-target effects of GM potato: an eco-metabolomics approach
Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield
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Development of hyaluronan-based dissolving microneedle arrays for dermal vaccination
Dissolving microneedles are a subgroup of microneedle types that completely dissolve within the skin. During this dissolving process the vaccine, stored in the needle matrix, is released into the skin.
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Targeted biomolecule production for therapeutic use
We aim to develop a drug-delivery method based on the production of biomolecules directly at the target site.
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Amphiphilic miktoarm star copolymers
Within this project, PeptoMiktoStars were realized through an orthogonal protecting group strategy and should be investigated further regarding their potential as drug delivery systems in the field of drug delivery to inflamed areas in cancer, bacterial infections or autoimmune diseases.
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Do fungi differ? Understanding the mechanisms of mycorrhizal fungal impacts on soil C sequestration
How presence, abundance and enzymatic activities of AM and EM fungi differently affect soil carbon sequestration processes?
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Using cryo-EM methods to uncover structure and function of bacteriophages
Bacteriophages, or phages for short, are the most abundant biological entity in nature. They shape bacterial communities and are a major driving force in bacterial evolution.
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Microneedle-mediated vaccine delivery
Promotores: Prof.dr. J. A. Bouwstra, Prof.dr. W. Jiskoot
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Synthetic biology and genomics platform for new-to-nature bioactive peptides
Can the venom of snakes, scorpions and other animals be sources of new antibiotics?
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Synthesis of phosphodiester-containing bacterial cell wall components: teichoic acids, capsular polysaccharides and phosphatidyl glycerol analogues
Promotor: G.A. van der Marel, Co-promotor: J.D.C. Codée
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Semisynthetic glycopeptide antibiotics
Vancomycin is a last-resort antibiotic for the treatment of many Gram-positive bacterial infections, while remaining inactive against Gram-negative strains.
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Development of kinase inhibitors and activity-based probes
Promotor: H.S. Overkleeft, J. Neefjes, Co-promotor: M. van der Stelt
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Modelling the role of cytotoxic T lymphocytes in tumour regression
Immunotherapies for cancer are an emerging class of therapeutic strategies which aim to treat cancer via augmentation of the immune system.
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Institute for Chemical Immunology
Overkleeft
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Improved storage stability and immunogenicity of hepatitis B vaccine after spray-freeze drying in presence of sugars
The current hepatitis B vaccines need to be stored and transported under refrigerated conditions (2-8 degrees C). This dependence on a cold-chain is highly challenging in areas where hepatitis B virus infections are endemic.
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The epidemiology of infections with Clostridioides difficile and multidrug-resistant bacteria, and faecal microbiota transplantation as an intervention
PhD defence
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Hypoxic Signalling and Tuberculosis
IBL-researcher Phil Elks in the group of Annemarie Meijer won the Cell Observatory Publication of the Year 2013. He received the award for his paper in PLoS Pathogens, showing that activation of hypoxia signaling protects against mycobacterial infection.
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‘Skin injection could allow us to vaccinate up to five times more people from the same supplies’
The current COVID-19 vaccination campaign involves injecting the vaccine into muscle tissue, but injecting a smaller amount of vaccine in the skin might also provide good protection. The #wakeuptocorona crowdfunding campaign has enabled Anna Roukens (LUMC) to examine the safety and efficacy of vaccination…
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Inflammafish: Cross-talk between inflammation and autophagy in tuberculosis
Effective host defence against tuberculosis bacteria depends on a properly balanced level of inflammation. The Inflammafish project uses zebrafish larvae to study how autophagy controls this inflammation and vice versa.
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Development of cross-protective influenza A vaccines based on cellular responses
Seasonal influenza vaccines provide protection against matching influenza A virus (IAV) strains mainly through the induction of neutralizing serum IgG antibodies. However, these antibodies fail to confer a protective effect against mismatched IAV. This lack of efficacy against heterologous influenza…
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Concepts and applications for evidence-based dosing in morbidly obese patients before and after weight loss surgery
Promotor: C.A.J. Knibbe, Co-promotores: H.P.A. van Dongen, B. van Ramshorst
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Evolutionary adaptability of β-lactamase: a study of inhibitor susceptibility in various model systems
β-Lactamases are enzymes that can break down β-lactam substrates, such as antibiotics, preventing the use of these antibiotics for the treatment of various infectious diseases. However, some compounds, β-lactamase inhibitors, can block these enzymes allowing for possible treatments using a combination…
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Medicine/Leiden University Medical Center
We are very happy to welcome you to spend a semester or year studying or doing an internship with us at the Leiden University Medical Center. Here you will find information on your course timetables and registration.
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Plant Latex: A Potential Resource of Bioactive Chemicals
How and why latex bearing plants select specific chemical compounds for eco-chemical interactions with its biotic factors?
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Centre for Microbial Cell Biology
The CMCB brings together microbial cell biology expertise in Leiden. It aims at optimal resonance between the groups and maximal exploitation of the available infrastructure and to develop innovative cross-boundary technology platforms.
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Single cell technologies for mechanobiology and mechanopharmacology
Mechanobiology is a major area in biology, however, mechanics is currently a missing element in drug development pipelines. This has led to a high cost for the society. Mechanotoxicity of drugs often appears as a long-term side effect of drugs, and has led to removal of drugs from the market. Furthermore,…
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Comparative biology of common and grey seals along the Dutch coast
What are the main factors associated with the stranding of the two seal species? What are the factors influencing the prevalence of disease in the two species? Which human-related factors influence the populations of the two seal species?
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Metabolomic characterization of plant exudates and their correlation with plant defense systems
Plant exudates appeared long time ago in the history line of life in the early Devonian. They are typical saps produced by specialized cells.
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Discovery of novel Antibiotics from Actinomycetes by Integrated Metabolomics & Genomics Approaches
Promotor: G.P. van Wezel, Co-promotor: Y.H. Choi
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Not Stolen: The Truth About European Colonialism in the New World
A portrait of the complex historical process of over 500 years of European colonialism in the New World.
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The complicated conservation problem of genetic pollution
How does invasive hybridization affect threatened native species?
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Explaining the gender gap in COVID-19 vaccination attitudes
In this article, Dimiter Toshkov aims to explains the gender gap in COVID-19 vaccination attitudes.
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Azafaros is valorizing a library of compounds
The company Azafaros was established in 2018 to translate innovative science from Leiden University and Amsterdam University Medical Center into novel disease-modifying treatment modalities for rare genetic metabolic disorders such as lysosomal storage diseases.
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Grant: Dr. Amanda Foks receives a prestigious Junior Postdoc fellowship from the Dr. E. Dekker stipendium awarded by the Dutch Heart Foundation
Dr. Foks obtained this fellowship for the project “Can promotion of efferocytosis induce regression of atherosclerosis?”, in which she aims to identify novel targets to promote regression of atherosclerosis. This research grant allows her to initiate independent research for the next three years.
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Government Capacity, Societal Trust or Party Preferences? What Accounts for the Variety of National Policy Responses to the COVID-19 Pandemic
What Accounts for the Variety of National Policy Responses to the COVID-19 Pandemic in Europe?
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Microbial Sciences
In the research programme Microbial Sciences we perform state-of-the-art research in the field of biotechnology and microbial sciences.
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Microbial Chemotaxis
In order to gain insight into the structure and function of the molecular complexes involved in chemotaxis, we use electron cryotomography (ECT). This technique allows us to directly study microbes in their native state at resolutions capable of visualizing individual proteins.
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Polypept(o)ide-based nanostructures for therapeutic and diagnostic application
Nanoparticles exhibit a number of adjustable properties, e.g., their size, shape, and surface and core chemistry, which can be further diversified with different functional moieties. This opens a broad field for application in diagnostic and therapy. In this respect, the use of a polymeric hybrid material,…
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Delivery of Biotherapeutics
The Delivery of Biotherapeutics research group is led by Prof. Matthias Barz and focusses on the synthesis and characterization of polypept(o)ids and their application in nanomedicine to improve existing therapies or enable novel diagnostic or therapeutic approaches.
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The future of AI is human
From self-driving cars to innovative drug development: artificial intelligence (AI) will fundamentally change our lives in many different ways. We study this technology at a deep and fundamental level. And we seek answers to questions about liability and privacy, for example. Our researchers from…
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Novel immunomodulatory drugs for tuberculosis treatment
Can drugs that target host signaling pathways be used to eradicate antibiotic-resistant bacteria?