1042 search results for “chemical proteomics” in the Public website
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Activity-based proteomics of the endocannabinoid system
This thesis describes the use of an activity-based proteomics method to study the endocannabinoid system.
- Center for Proteomics and Metabolomics
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Hermen Overkleeft
Science
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Innovative strategies to clinically characterize the human tear proteome
Transplantation of labial salivary glands to the eyelids for patients with dry eye appears to give excellent results clinically.
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Chemical Biology
Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…
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Discovery of FLT3 inhibitors for the treatment of acute myeloid leukemia
The disease acute myeloid leukemia (AML) is characterized by fast progression and low survival rates.
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PROTEOMINING: a novel proteomics-based pipeline for drug and enzyme discovery in filamentous actinomycetes
Can a new proteomics workflow be developed to link genes and gene clusters to bioactive molecules, identify novel compounds and enhance the production in the Streptomyces lividans enzyme?
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Fundamental Research in Chemical Biology
Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…
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Chemical genetic approaches for target validation
Drug development is a time- and resource-consuming process that starts with the discovery and validation of a (protein) target that contributes to pathogenesis or disease progression.
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Activity-based protein profiling in drug discovery
In the last decades, activity-based protein profiling (ABPP) has emerged as a powerful chemical tool that may aid the ever-challenging drug discovery process.
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Institute for Chemical Immunology
Overkleeft
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Chemical Biology Lectures
The Leiden Institute of Chemistry is proud to offer the “Leiden Chemical Biology Lectures”. This lecture series aims to bring excellent researchers in the field of chemical biology to our university, and to expose our students to top science conducted in this area.
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Chemical tools to study lipid signaling
Synthesis and application of chemical biology tools to study immunomodulatory signaling lipids.
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Chemical tools to study the cannabinoid receptor type 2
The cannabinoid receptor type 2 (CB2R) is associated with several inflammatory diseases with an unmet medical need (e.g. Alzheimers, multiple sclerosis, reumatoid arthritis). Development of new chemical biology strategies to study this protein is essential to aid future development of drugs for these…
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Netherlands Research School of Chemical Biology
Chemical biology research aims at understanding and manipulating biological processes at the molecular level. Physiological processes that are behind human disease are subject of detailed chemical biology studies with the aim to identify new drug targets, but also leads for drug development or that…
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Illuminating N-acylethanolamine biosynthesis with new chemical tools
In this thesis, the discovery and optimization is described of chemical tools to study the N-acylethanolamine (NAE) biosynthetic pathway.
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Chemical tools to modulate endocannabinoid biosynthesis
Promotor: H.S. Overkleeft, Co-promotor: M. van der Stelt
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From midplane to planets : the chemical fingerprint of a disk
This thesis addresses the chemical processes that determine the compositions of giant planet atmospheres.
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Rapid and profound rewiring of brain lipid signaling networks by acute diacylglycerol lipase inhibition
Diacylglycerol lipases (DAGLα and DAGLβ) convert diacylglycerol to the endocannabinoid 2-arachidonoylglycerol. Our understanding of DAGL function has been hindered by a lack of chemical probes that can perturb these enzymes in vivo.
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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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Novel chemical tools for target validation in neuroinflammation
In what way can new tools and techniques be used to develop drug candidates for the treatment of neurological disorders?
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Chemical biology of sphingolipids: fundamental studies and clinical applications
Overkleeft
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Molecular Physiology
Molecular Physiology is a research group at the Leiden Institute of Chemistry, headed by Prof. Mario van der Stelt. The research aim is to design, synthesize and apply new chemical tools to answer important biological and medical questions. We use activity-based protein profiling, assay development,…
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Towards a chemically accurate description of reactions on metal surfaces
How can we make make accurate predictions for reactions of molecules on metal surfaces?
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Towards chemically accurate simulation of molecule-surface reactions
This perspective addresses four challenges facing theorists whose aim is to make quantitatively accurate predictions for reactions of molecules on metal surfaces, and suggests ways of meeting these challenges, focusing on dissociative chemisorption reactions of H2, N2, and CH4.
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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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Chemical tools to monitor and control human proteasome activities
Promotores: H.S. Overkleeft; G.A. van der Marel Co-Promotor: B.I. Florea
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Unraveling cross-presentation pathways using a chemical biology approach
Is it possible for sugar patterns on cells to activate the immune system to combat cancer?
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Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
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Visualization of Vitamin A Metabolism
Vitamin A or retinol is essential in embryonic development, the visual cycle and the immune system.
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Inhibitor discovery of phospholipases and N-acyltransferases
In this thesis an activity-based probe was discovered that could visualize the activity of PLAATs. With an optimized gel-based ABPP assay in hand, screening of a compound library led to the discovery of alpha-ketoamides as a hit for PLAAT3.
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The synthesis of chemical tools for studying sphingolipid metabolism
Sphingolipids are important membrane compounds with a variety of functions. In mammalian cells, different enzymes are involved in the metabolism of sphingolipids, but interruption of this metabolism process leads to different diseases.
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The evolution of chemical diversity in plants : pyrrolizidine alkaloids and cytochrome P450s in Jacobaea
Plants produce an astonishing variety of secondary metabolites (SMs) which are thought to play vital roles in the fitness of plants through ecological interactions.
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Chemical Synthesis of Fragments of Streptococcal Cell Wall Polysaccharides
This thesis describes the design and synthesis of fragments of various cell wall carbohydrates of the Streptococcus species, including the branched Group B-specific antigen (GBC) of Group B Streptococcus, glycerol phosphate (GroP) modified group A carbohydrate (GAC), and the O-acetylated type 1 capsular…
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A chemical biology approach for targeting of ligand-drug conjugates
Promotores: Prof.dr. H. S. Overkleeft, Prof.dr. G. A. van der Marel
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In vitro model systems for studying the impact of organic chemicals on the skin barrier lipids
This paper describes two synthetic lipid models designed to replace human stratum corneum (SC) in studies of the impact of volatile organic chemicals on the molecular organization of the skin barrier lipids.
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From molecules to planets: Exploring the chemical heritage of solar systems
Walsh
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cellular stress pathways for mechanistic understanding of chemical-induced liver injury
Cellular stress response pathways are activated upon exposure to chemicals and help organisms deal with various molecular dangers (e.g. oxidative stress). When these pathways become hyper-activated an adverse response takes place and cells die, which may lead to organism-level toxicity such as drug-induced…
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Inextricable ties between chemical complexity and dynamics of embedded protostellar regions
Promotor: E. F. van Dishoeck, Co-promotor: C. Walsh
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Bing Xie
Science
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Chemical biology of glucosylceramide metabolism: fundamental studies and clinical applications for Gaucher disease
How can we develop new chemical biology tools and approaches to understand and interfere with glucosylceramide metabolism in relation to Gaucher disease?
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Chemically Accurate Simulation of a Prototypical Surface Reaction: H-2 Dissociation on Cu(111)
Methods for accurately computing the interaction of molecules with metal surfaces are critical to understanding and thereby improving heterogeneous catalysis.
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Chemical biology of glucosylceramide metabolism fundamental studies and applications for Gaucher disease
This thesis describes biochemical investigations of glucocerebrosidase (GBA), the lysosomal β- glucosidase that is deficient in Gaucher disease (GD).
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From supernovae to galaxy clusters: observing the chemical enrichment in the hot intra-cluster medium
Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa
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RiskCycle: Risk-based management of chemicals and products in a circular economy at a global scale
How can we, together international experts, define future needs of R+D contributions for innovations in the field of risk-based management of chemicals and products in a global perspective using alternative testing strategies to minimize animal tests?
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The ecological relevance of chemical diversity in plants: pyrrolizidine alkaloids in Jacobaea species
Promotor: P.G.L. Klinkhamer, Co-Promotores: K. Vrieling, P.P.J. Mulder
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The lugdunomycins: a new class of polyketide antibiotics with unique chemical scaffold
Aim of the proposal is to develop lugdunomycin into a drug candidate able to treat infectious diseases caused by multi-drug resistant pathogens.
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Rob in 't Veld
Faculty Governance and Global Affairs
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Metabolic signatures in nutrition and health : short-term diet response, sexual dimorphism and hormone chronobiology
The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).
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Systems pharmacology of the endocannabinoid system
In this thesis, a system pharmacology approach, integrating metabolomics, pharmacology and chemical biology, was applied to understand and modulate the endocannabinoid system across different model systems (cells, zebrafish, mice and humans).