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The influence of magnetic field of power frequency on the adherence of leukocytes in patients with head and neck cancer
Čoček, Aleš ; Filip, Stanislav (advisor) ; Rosina, Jozef (referee) ; Vávrová, Jiřina (referee)
We know from research conducted to date that magnetic field of low-induction power frequency (50 Hz) increases the in vitro adherence capacity of T lymphocytes in patients with squamous cell larynx/pharynx cancer as well as that of T lymphocytes of voluntary blood donors (control group), towards the surface. The objective of this thesis was to find out if there is a difference between the impacts of low induction values, and to confirm or disconfirm the literary assumption that lower induction values have more pronounced influence on biological systems. At first, we carried out comparative tests of T lymphocyte adherence inhibition in the absence of magnetic field and in the presence of a field with a single set induction value (10mT (n=30), 1 mT ( n=30), 0.5 mT ( n=76), 0.1 mT (n=60), 0.05mT (n=69)). Blood samples from 265 patients were investigated in this way. The control group consisted of T lymphocytes of voluntary blood donors (n=316). As the next stage, T lymphocyte inhibition adherence tests were simultaneously carried out without the presence of magnetic field and with the presence of a field of comparable inductions so as to compare the T lymphocyte ability of one and the same patient (i.e. comparing the adherence capacity without field with that in the presence of a field of 0.1 mT, 0.05...
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Hematopoietic Stem Cell Properties and Transplantation Preconditioning Studied by Competitive Repopulation of the Hematopoietic Tissue
Hlobeňová, Tereza ; Šefc, Luděk (advisor) ; Filip, Stanislav (referee) ; Langmeier, Miloš (referee)
Hemopoietic stem cells (HSCs) are primitive cells capable of replacing terminally differentiated cells throughout life. HSCs are defined as pluripotent cells able to give rise to a number of different functional cell types and they posses a huge self-renewal capability. The process during which stem cells give rise to terminally differentiated cells occurs through a number of committed progenitor cells in the bone marrow (BM) microenvironment. The place where HSCs reside in situ is called a niche. Successful bone marrow transplantation (BMT) involves homing, seeding and engraftment of HSCs in the niche. More factors, for instance chemotherapeutics and irradiation, can influence the effect of BMT. There are indices that HSCs differ between fetal and adult life. (...) The B-lymphopoiesis derived from fetal liver remained significantly less sensitive to suppression by estrogen compared to that of adult and neonatal origin. It remained its permanent feature. Exposure of HSCs to the late-stage FL microenvironment seems to be critical and mandatory for gaining later sensitivity to estrogen. Bisphophonates do not affect hematopoiesis in the mouse. They seem to be safe in regard to the effect on hematopoietic tissue in mice.
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Experimental bridging of spinal cord injury with hydrogels
Hejčl, Aleš ; Syková, Eva (advisor) ; Rokyta, Richard (referee) ; Filip, Stanislav (referee)
Hydrogels are biomaterials used in the treatment of experimental spinal cord injury (SCI). In a model of acute SCI, we implanted hydrogels based on 2-hydroxyethylmethacrylate (HEMA) and hydroxypropylmethacryla-mide (HPMA). One month after implantation the hydrogels bridged the cavity, adhered well to the spinal cord and created permissive environment, infiltrated with blood vessels, axons and Schwann cells. Physical modifications (e.g. surface charge) of hydrogels may improve bridging of acute SCI. We implanted hydrogels based on HEMA with a surface charge in spinal cord hemisection and compared with a hydrogel without charge. Hydrogels with surface charge improved connective tissue adhesion and growth of axons compared to a hydrogel without charge. Biodegradable hydrogels may bridge a lesion followed by complete re-sorption. In a model of acute SCI we implanted hydrogels based on the copolymer of HPMA and etoxyethylmethacrylate (EOMA) degraded from the periphery, which was substituted with new tissue after 1 month, to the center, comprising amorphous residuals of the hydrogel. Delayed hydrogel implantation may improve bridging of spinal cord le-sion. We implanted hydrogels based on HEMA acutely or in a delayed fashion (after 7 days) in spinal cord transection. Delayed implantation re-duced the volume of...
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Life Quality of patients after bone marrow transplantation
Dašková, Veronika ; Rybářová, Marie (advisor) ; Pečenková, Jaroslava (referee) ; Filip, Stanislav (referee)
LIFE QUALITY OF PATIENTS AFTER BONE MARROW TRANSPLANTATION In the year 2005-2006 a research was conducted on the life quality of patients after bone marrow transplantation. The study group involved samples from 41 patients treated with heamatogenous cells transplantation. The research was conducted in the Department of Transplantation of Internal medicine clinics II in the University Hospital in Hradec Kralové. In a theoretical part there were determined some aims which were verified in an empirical part.Likewise another theoretical methods the transplantation affects the further progress of the disease and the life quality connected to it.The out come of the research was to determine the extent of the influence between the disease and the haematogenous cells transplantation on the life quality of the patients. The determinants involved considerations of physical, psychological and also social aspects of the subject.The results of this study demonstrates both positive and negative influence of the respective treatment in the life quality of the patients in their above mentioned fields.
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Insulation
Richtr, Pavel ; Suchánek, Jiří (referee) ; Filip, Stanislav (advisor)
Interactive FM transmiter, interactive instalation - radioart. Independent radio broadcasting with three chanels. Broadcasting generated sound based - made by simply analog D.I.Y.syth, witch is reacting on weather - rain, wind, sunshining, temperatue.
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