Humoral and neural effects on muscle differentiation and regeneration Supervisor: Assoc. Ischemic heart disease, the number one killer in the industrialized societies, is a complex disorder, often associated with other systemic diseases such as dyslipidaemia, hypertension and diabetes which exert multiple biochemical effects on the heart, independently of ischaemia.
Ischemic preconditioning of myocardium is a well-described adaptive response in which brief exposure to ischemia markedly enhances the ability of the heart to withstand a subsequent ischemic insult.
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The underlying molecular mechanisms of this phenomenon have been extensively investigated in the hope of identifying new rational approaches to therapeutic protection of the ischemic myocardium. The research program is to investigate the ways in which systemic diseases may modify the preconditioning response and to find key cellular mechanisms to recapture the endogenous stress adaptation.
Special topics in the above. Role of nitric oxide, superoxide, peroxynitrite, and their cellular targets in cardiac stress adaptation Supervisor: Csaba Csonka PhD Role of sensory neurons in cardiac stress adaptation Supervisor: Assoc. Tamás Csont PhD Molecular psychoneuroimmunology studies pci prostate cancer stressed state and in ischemic heart disease Supervisor: Assoc.
Margit Keresztes PhD The goal of our research team is to study the influence of psychological stress on immunological-inflammatory factors, focusing on the behaviour of granulocytes.
The introduced genes pci prostate cancer most frequently key factors and inhibitors of the most important signal pathways.
The transgenic muscle can be advantageous compared to the completely transgenic animal because in this case the muscle development is taking place in wild type genetical background, therefore the effects of mutations interfering with muscle development can be avoided. Our present research is focused on the possible application of transgenic muscle in gene therapy BBRC Factors regulating skeletal muscle remodeling Supervisor: Ernő Zádor The remodelling means the ongoing reconstruction of cells and tissues while the whole organism appears to be in permanent stage or develops from one stage to an other.
In recent years, a lot of regulatory factors have been discuvered in tissue remodelling. The remodelling of skeletal muscle is especially suitable for biochemical and molecular biological studies.
The order of activation of signal pathways - transcriptional factors - genes involved in differenciation is well observable. Our group has developed one model in muscle regeneration and two models in muscle adaptation.
We pci prostate cancer described the mRNA and protein levels of a number of mRNAs and proteins which are regulating factors or a markers of differentiation i. Disorders 8: ; J. Muscle Res. In these models the aim is to explore the changes and function of molecules and parameters described in the progress of skeletal muscle research.
Standardization and quality control of macromolecular assays in pathobiochemistry, clinical biochemistry Supervisor: Prof.
Clinical trial investigating OCT Guided vs COmplete Pci- in patients with infarction
László Dux DSc The programme provides opportunity in research and development of new measurement techniques in pathobiochemistry and clinical biochemistry, standardization and quality control of macromolecular assay methods. Structure and function of metal containing proteins Supervisor: Res. Csaba Bagyinka DSc The study of the structure of bacterial cytochromes, blue copper proteins, hydrogenases and other bacterial metal containing proteins by spectroscopic and biochemical methods.
The crystallization of these proteins.
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Measurement of redox kinetics, model calculations of protein structure and reaction kinetics. Purification and characterization of membrane-bound redox proteins Supervisor: Res.
The membrane protein of choice is a representative of the plant membrane-bound b-type cytochrome family. Physical interactions of supramolecular structures Supervisor: Res. András Dér DSc Our goal is to map physical interactions of supramolecular assemblies on the mesoscopic scale.
Methods: photoelectric and integrated optical techniques, AFM. Bioelectronic sensoric application of the results is planned.
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Femtosecond linear and nonlinear optical processes in proteins Supervisor: Géza Groma CSc In our new femtobiological laboratory a pump-probe setup of pci prostate cancer resolution makes possible to study the kinetics of ultrafast light-induced processes in proteins.
Our primary interest is to understand the mechanism of light energy pci prostate cancer in bacteriorhodopsin, but investigation of thermooptical phenomena on photosynthetic light harvesting complexes and electron transfer reactions of cytochrome c perturbed by mutagenesis are also planned. Single particle manipulation by laser tweezers Supervisor: Res. We create microscopic mechanical machines that are driven by light and we use these for the study of mechanical manipulation of biomolecules.
Presently, we primarily study the torsional vizelettartási probléma of single DNA molecules and DNA-protein interactions that involve related processes. Biophysical and biochemical studies of yeast vacuolar membranes Supervisor: Tibor Páli DSc The project aims at gathering functionally relevant structural data in yeast vacuolar membranes on the ATP dependent proton pumping of V-ATPase using spectroscopic techniques.
The dependence of both the ATP hydrolysis and proton pumping will be studied, primarily in native membranes, as a function of the physical state of the membrane, external conditions temperature, oscillating electric field and non-covalent V-ATPase inhibitors.
These experiments will provide data for a better understanding of the functioning and regulation of the membrane-bound proton pumping molecular machinery, the V-ATPase. The protein and its sub-units will be isolated from yeast vacuolar membranes and reconstituted in artificial lipid membranes.
Structural biology, based on spectroscopic techniques, will be used to study how the whole enzyme and its sub-units fold into the membranes and whether they are able to form a functional assembly. Protein folding and assembly in biomembranes Supervisor: Tibor Páli DSc Atomic models of selected lipid-protein systems will be built using spectroscopic data as constraints. Molecular mechanics programs on a computer cluster will be used.
A more challenging alternative Sérti a prosztatitis to deal exclusively with protein folding using computational approaches involving the development of a knowledge-based forcefield for fast folding predictions. Free radicals and spin traps in the human body Supervisor: Tibor Páli DSc Electron paramagnetic resonance EPR is the most suitable and most widely used technique for detecting free radicals.
Using, this technique will study the free radicals invading the human body from food and the air. A comparative study will be carried out on different solid food products and gases cigarette smoke and car exhaustswith potential industrial applications in mind. Lipid-protein interactions in biological membranes, their effect on the membrane dynamics Supervisor: Balázs Szalontai DSc Lipid conformations will be studied in different cyanobacterial thylakoid or yeast model biomembranes as a function of the fatty acid composition of the membrane lipids.
The fatty acid composition will be modified either by genetic manipulations or by altering the growth temperature. The work will pci prostate cancer involve Fourier transform infrared spectroscopy as experimental technique. Characterization pci prostate cancer pci prostate cancer of the nervous system by video-pupillometry Supervisor: Zsolt Pci prostate cancer CSc We study the states and processes of the nervous system by eye-related measurements, and by this approach we intend to develop methods for objective, quantitative characterization of up till now mostly only subjectively measured states as sleepiness, anxiety, depression, etc.
Besides continuation of video-pupillometry and visual contrast-sensitivity studies, that has been successfully used, one may join to the introduction and application of methods measuring further eye functions light sensitivity, iris pigmentation, etc.
The study of protein motions by atomic force microscope Supervisor: Res. György Váró DSc We study the motion of pci prostate cancer protein, during their function, by scanning force microscope technique. The main object is the bacteriorhodopsin, a light driven proton transporter across the cell membrane.
We apply a complex study, by combining the AFM with photoelectric and spectroscopic methods, following the charge motions and the colour changes of the protein. The aim of the study is the understanding of the function of the charge transporting protein. The role of the protein in the biological electron transfer processes Supervisor: Res.
László Zimányi DSc We investigate intraprotein and interprotein electron transfer initiated by photoactive redox labels. We study the effect of the structure and dynamics of the protein matrix on the rate of electron transfer. By producing mutants we map the electron transfer efficiency of the different regions of the protein.
The mechanism of the maturation of cytochrome c Supervisor: Res. László Zimányi DSc We study by spectroscopic methods the function, and the interaction with its substrates, of the enzyme cytochrome c heme lyase, which plays a key role in the maturation of the mitochondrial cytochrome c the covalent attachment of the heme.
Heme lyase, which is assumed to be at least partially intrinsically unstructured, will potentially fold into transitional structures upon the interaction with heme and apocytochrome, thereby promoting the formation of the covalent bond.
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Functional genomics studies of pathological samples Sűrű vizelési inger orvos válaszol Res. Both DNA-chips and protein microarray technology is part of the global screening systems, which provide global view of a certain biological sample or its gene activity or its protein expression pattern.
During the programme we perform analysis of different pathological samples animal models and clinical samplesfrom which we gain basic information on understanding the pathological states diseases. By using these approaches we could develop novel diagnostic and therapeutic methods. During the programme besides using pci prostate cancer most up-to-date technologies we will apply bioinformatics tools and systems biological approaches — interdisciplinary research at multiple levels — to analyze human clinical samples.
Research facilities: Experience in methods of epidemiology of hypertension. European, North-American and Pci prostate cancer licensed monitoring of blood pressure in human.
Doctoral School of Multidisciplinary Medical Science (Clinical and Theoretical Medical Sciences)
Blood flow measurement in arterial blood vessels in the rat. RIA laboratory licence "C" The assay of derivatives of hydroxyarachidonic acid by radioactive labelling. Estimation of the parameters of the renin-angiotensin system by RIA or molecular genetic methods. DNS chip technique Duplex ultrasonograph. Assay of the parameters of inflammatory processes including homocystein C-reactive protein. The Commencement of embryogenesis: a genetic dissection approach in Drosophila melanogaster Supervisor: Prof.
János Szabad DSc What tells a newly fertilized egg that it is time to start? What types of molecules and what roles play in the commencement of embryogenesis?
When and where are those molecules made?
Where are the deposited in the egg cells? To answer the above questions we identified genes, through dominant female-sterile Fs mutations in Drosophila, that are involved in the commencement of embryogenesis: although the mutant females deposit normal-looking and fertilized eggs embryogenesis fails to commence inside.
We clone the Fs-identified genes and elucidate their molecular functions. We revealed the role of cytoplasmic dynein pci prostate cancer chain, importin-β, the maternally provided α-tubulin isoform already and are in the process of learning about the role of sperm tunnel in the process.
What are their functions? Gene transfer with intelligent viral vectors Supervisor: Zsolt Boldogkői PhD Semiquantitative analysis methods in confocal microscopy and in protein quantification Supervisor: György Seprényi, PhD Molecular pci prostate cancer and cyto- diagnostic research Supervisor: Tibor Krenács PhD Mature skeletal muscle fibres do not communicate through gap junctions, however, mononuclear myoblasts utilise gap junctions.
We have been investigating the regulation of gap junction expression and myoblast coupling and their possible role in the course of early skeletal muscle differentiation leading to myoblast fusion. Gap junction communication has been shown by our group to be involved in the humoral immune response. Follicular dendritic cell meshwork coupled by gap junctions work as a syncytium which is also coupled to activated B lymphocytes around the stage of positive affinity selection.
Formaldehyde fixation of tissue samples masks antigenicity to be detected in diagnostic pathology. Development of antigen retrieval and signal enhancement techniques, which have been in the focus of our diagnostic research, allow reliable detection of trace amounts of antigens of diagnostic interest, which may play an important pci prostate cancer in diagnostic and therapeutic decision making.
Tissue micro array technology can be used for a high throughput expression profiling of large number of selected tissue samples concentrated in normal-size paraffin sections.
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Modulation of expression of molecules involved in cell adhesion e. This approach of searching for molecular signs of dedifferentiation and tumour prognosis is also going to be utilised in a large series of breast and prostate cancers of different biological behaviour.
Role of immunosuppressive microenvironment in development of malignant tumors Supervisor: László Krenács DSc Aim of the research is to investigate immunological and immunogenetical factors that are able to provide immune priviledge for lymphoreticular and solid tumors. The study will incorporate immunological and molecular pathological analysis of peripheral T-cell lymphomas, Hodgkin lymphomas, melanomas, gliomas, and breast cancer cases.
We are intended to explore the communication between tumor cells and tumoral microenvironment including tumoral stroma that can promote tumoral growth.
Methodology will be used during the research: — Immunohistochemistry.