680 search results for “smit barrier re-pair” in the Public website
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Marjolein Smits-RörschAdministrative Shared Service Centre
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Cutaneous barrier dysfunction in atopic eczema: the role of stratum corneum lipids
Source: International Journal of Cosmetic Science, Volume 37, Number 1, pp. 148-148 (2015) ISBN: 0142-5463
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role of ceramide subclass composition on lipid organization and skin barrier
The lipids in the uppermost layer of the skin, the stratum corneum (SC), play an important role in the skin barrier function. The three main SC lipid classes are ceramides (CER), cholesterol and free fatty acids.
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Lipid to protein ratio plays an important role in the skin barrier function of atopic eczema patients
The barrier function of the skin is primarily provided by the stratum corneum (SC), the outermost layer of the skin. Skin barrier impairment is thought to be a primary factor in the pathogenesis of atopic eczema (AE).
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Variation in fatty acid chain length distribution affects permeability barrier function of stratum corneum lipid model membranes
Source: International Journal of Cosmetic Science, Volume 37, Number 1, pp. 158-158 (2015) ISBN: 0142-5463
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Repair a bad kidney or make a new one to order
Searching for ways to delay the need for a transplant and trying to build kidneys to order.
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Barriers to terrorism: why most extremists never become terrorists
When does radicalization not lead to terrorist attacks?
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Membrane Approach to Elucidate the Molecular Organization in the Skin Barrier
Promotor: J. A. Bouwstra
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membrane systems as a tool for unraveling the underlying factors for skin barrier dysfunction
Barrier function is the natural role of the skin. The lipid matrix present in the outermost layer of the skin, the stratum corneum is important for this function.
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The important role of stratum corneum lipids for the cutaneous barrier function
The skin protects the body from unwanted influences from the environment as well as excessive water loss. The barrier function of the skin is located in the stratum corneum (SC).
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The role of ceramide chain length distribution on the barrier properties of the skin lipid membranes
The skin barrier function is provided by the stratum corneum (SC). The lipids in the SC are composed of three lipid classes: ceramides (CERs), cholesterol (CHOL) and free fatty acids (FFAs) which form two crystalline lamellar structures. In the present study, we investigate the effect of CER chain length…
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metal-based chemotherapeutic agents for targeted DNA interactions or DNA repair pathway modulation
The research presented in this thesis explores the chemotherapeutic potential of metal-based compounds as chemotherapy agents, with an initial focus on the synthesis and DNA interaction studies of platinum and palladium compounds utilizing the [Pt(bapbpy)]2+ scaffold. The study identifies intercalation…
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physical properties that affect the lipid organization in the skin barrier
It is the aim of this project to better understand how the physical properties of lipids influences the structure and overall barrier function of the skin.
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Advancements in Brushite cement formulations for bone repair
PhD defence
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The role of lipids in the barrier function of the skin
The outermost layer of the skin, the stratum corneum (SC), is responsible for the skin barrier function, protecting the body from pathogens, chemicals and other unwanted substances from the external environment. The SC lipid matrix provides the only continuous pathway through the SC and is considered…
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A culture medium based approach to optimize the stratum corneum barrier of human skin equivalents
uman skin equivalents (HSEs) are in vitro 3D-skin models that mimic many aspects of the native human skin (NHS) and can be a valuable tool.
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Lipid to protein ratio plays an important role in the skin barrier function of atopic eczema patients
OBJECTIVES: To determine whether the lipid/protein ratio and the total dry SC mass per surface area are related with the skin barrier function of controls and AE patients.
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Monounsaturated fatty acids reduce the barrier of stratum corneum lipid membranes by enhancing the formation of a hexagonal lateral packing
The effectiveness of the skin barrier underlies the outer layer of the skin: the stratum corneum (SC). However, in several skin diseases this barrier is impaired. In two inflammatory skin diseases, atopic eczema and Netherton syndrome, an increased level of monounsaturated fatty acids (MUFAs) has been…
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Intercellular Skin Barrier Lipid Composition and Organization in Netherton Syndrome Patients
Netherton Syndrome (NTS) is a rare genetic skin disease caused by mutations in the serine protease inhibitor Kazal-type 5 gene, which encodes the lympho-epithelial Kazal-type-related inhibitor. NTS patients have a profound impaired skin barrier function. Because SC lipids play a crucial role in the…
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RE-PAIR: Unravelling the Impact of Emotional Maltreatment on the Developing Brain
What role do parent-child interactions play in the development, maintenance and treatment of depression in young people?
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Development of formulation for treatment of Atopic Eczema
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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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Millions of people to help with new synthetic skin cream
A team of researchers has managed to recreate the most natural skin cream in existence. Using the DUBBLE beamline (Dutch Belgian Beamline) at the European Synchrotron Radiation produced on the basis of the information identified, has the same properties as vernix caseosa. This cream may have a therapeutic…
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Bart de Smit appointed as professor Algebra and Number Theory
On Tuesday 15 September 2015, Bart de Smit has been appointed as professor of Algebra and Number Theory at the Mathematical Institute of Leiden University.
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Reduced stratum corneum lipid chain length relates to an impaired skin barrier function in patients with atopic dermatitis
Source: British Journal of Dermatology, Volume 170, Number 6, pp. E18-E19 (2014) ISBN:0007-0963
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Key publications
Key publications of the Skin Barrier and Vaccination group.
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Research lines
Current research at the Skin Barrier and Vaccination group.
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Improving targeted gene editing in Arabidopsis thaliana
Understanding DNA repair mechanisms is essential for advancing plant biotechnology and crop improvement. This study investigates how double-strand breaks (DSBs), induced by CRISPR/Cas systems, are repaired in the model plant Arabidopsis thaliana, and how these processes influence Agrobacterium tumefaciens…
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Role of non-homologous end-joining in T-DNA integration in Arabidopsis thaliana
Promotor: P. J. J. Hooykaas Co-promotor: B. S de Pater
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Anna BablSocial & Behavioural Sciences
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Laurens Smit awarded for best PhD student in Operations Research/Management Science
The New Jersey Chapter of the international Institute for Operations Research and the Management Sciences
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Animal models for cutaneous vaccine delivery
Main challenges in skin vaccination are overcoming the stratum corneum (SC) barrier and targeting the antigen presenting cells (APC) in the epidermis and the dermis.
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Strategies for the improvement of genome editing in Arabidopsis thaliana
Increasing the efficiency of gene targeting (GT) as a genome editing tool in plants has been an important goal in plant biotechnology.
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Lipid chain length reduction correlates with the skin barrier function in atopic eczema patients and inflammation plays a role in the altered
Source: Journal of Investigative Dermatology, Volume 135, pp. S59-S59 (2015)
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functional theory is an accurate predictor for variation with geometry of barriers for reactions on metals
A semi-empirical version of the specific reaction parameter approach to density functional theory (SRP-DFT) has been remarkably successful at predicting dissociative chemisorption probability vs. incidence energy curves for reactions on metal surfaces. New quantum Monte Carlo (QMC) calculations on the…
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Development of human skin equivalents to unravel the impaired skin barrier in atopic dermatitis skin
Recently, the PhD thesis of Lolu Danso Eweje appeared entitled ’Development of human skin equivalents to unravel the impaired skin barrier in atopic dermatitis skin’.
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Prediction of brain target site concentrations on the basis of CSF PK: impact of mechanisms of blood-to-brain transport and within brain distribution
Promotor: Prof.dr. M. Danhof, Co-promotor: E.C.M. de Lange
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Meindert LamersFaculty of Science
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Modulation of Stratum Corneum Lipid Composition and Organization of Human Skin Equivalents by Specific Medium Supplements
Our in-house human skin equivalents contain all stratum corneum (SC) barrier lipid classes, but have a reduced level of free fatty acids (FAs), of which a part is mono-unsaturated. These differences lead to an altered SC lipid organization and thereby a reduced barrier function compared to human skin.…
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Is CETA a barrier to effective climate policy?
One of the objections to the Comprehensive Economic and Trade Agreement between Canada and Europe (Ceta) is that countries would be surrendering national sovereignty to multinationals which will obstruct effective climate policy. But compared to other trade agreements, CETA is an improvement.
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A fatty solution for eczema
Pharmacologist Walter Boiten developed a new method to determine the amount of lipids in a person's skin. With this method he tested the effects of a new cream he developed for eczema patients. The first results are promising. Boiten defends his dissertation on 15 January.
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e-Coach: Tailored cognitive-behavioral e-Health care for patients with chronic somatic conditions
The major aim is to develop, evaluate, and implement disease-generic cognitive-behavioral interventions through the internet in order to optimize tailored health care for patients with chronic somatic conditions.
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Break-through in the genetic modification of plants
A collaboration between the IBL and LUMC has resulted in the discovery that the polymerase theta enzyme is essential for the integration of Agrobacterium T-DNA into the genome of plants. The finding means a break-through for the development of more efficient systems for targeted genome modification…
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New paper on: 'Legal Barriers and Enablers to Big Data Reuse: A Critical Assessment of the Challenges for the EU Law'
eLaw colleagues Bart Custers and Helena Ursic have a new publication in the peer-reviewed journal The European Data Protection Law Review.
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Skin Lipids: Localization of Ceramide and Fatty Acid in the Unit Cell of the Long Periodicity Phase
The lipid matrix of the skin's stratum corneum plays a key role in the barrier function, which protects the body from desiccation. The lipids that make up this matrix consist of ceramides, cholesterol, and free fatty acids, and can form two coexisting crystalline lamellar phases: the long periodicity…
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Minority government unlikely option in the Netherlands
Een minderheidskabinet komt in Nederland nauwelijks voor. Dat ligt volgens Corné Smit, gastmedewerker staats- en bestuursrecht, die onlangs op dit onderwerp promoveerde, aan de diepgewortelde traditie van meerderheidskabinetten, zegt hij in EenVandaag.
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Contact
Do you have questions or remarks? Please contact the coordinators of the Medieval and Early Modern Studies cluster.
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Regenerative medicine
Repairing organs, tissues and cells to fight chronic diseases.
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Non-invasive biomarkers for inflammatory skin diseases: towards systems dermatology
Inflammatory skin diseases such as psoriasis and atopic dermatitis can severely impact both the physical and social aspect of a patient’s life. Aberrant inflammatory responses are thought to be a major causative factor in these disorders, but an abundance of different factors contribute to the development…
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Development and evaluation of evidence based self-help and online programs for people with a somatic stressor and depressive symptoms
What is the effectiveness of (booklet or online) self-help programmes for people with somatic stressors and depressive symptoms? What works best for whom? How to improve motivation and adherence?