Bibliokirje koostamiseks loe juhendit. Kasutatud kirjanduse nimestiku koostamine. Raamatu kirje. Vihje: Kõigepealt ava raamatu kirje ESTERis ja vaata, kas real "Autor" on nimi, siis tee kirje näite Raamat 1-3 autorit järgi, juhul kui on üle 3 autori või toimetajad, siis on abiks näide Raamat pealkirja järgi. Kirjetes peavad kõik elemendid olema kindlas järjekorras, nagu juhendis esitatud, samuti ei tohi olla liigseid elemente, mida ESTER raamatu kohta lisaks esitab. Cytotoxic, mutagenic and cardinogenic potential of heavy metals related to human environment : (1997). / edited by Nick D. Hadjiliadis. Dordrecht [etc.] : Kluwer Academic Publishers. (raamat pealkirja järgi) Raamat on kättesaadav Tartu ülikooli raamatukogus. 1.2. Rahvusvaheline kümnendliigitus UDK Märksõna UDK/MESH genoom 575.113 (051) spektrofotomeetria 543.422.3
Need antikehad võivad tekkida allogeense HLA vastu raseduste, vereülekannete korral. Antikehad seonduvad antigeeniga lümfotsüütide pinnal, seovad komplemendi ja vallandub lüüsireaktsioon tänu tekkinud MAC (membraani ründekompleks) s.o. II tüüpi allergiline reaktsioon = tsütotoksiline reaktsioon). Antikehade määramiseks kasutatakse komplemendist sõltuvat lümfotsütotoksilisuse testi CDC (Comlement-Dependent Cytotoxic) ehk PRA (Panel Reactive Antibody) testi. Samuti kasutatakse ensüüm-immuunsorptsioonmeetodit ELISA (Ensyme-Linked Immunosorbent Assay) testi ja voolutsütomeetria meetodit. 4) Doonori-retsipiendi crossmatch analüüsi läbiviimine. Viiakse läbi vahetult enne siirdamist kõige värskema seerumiga, sensibiliseeritud patsientide korral ka eelnevate seerumitega, kus HLA vastaste antikehade tiiter on olnud
, 2007). The pilated strain of Moraxella bovis is the only form able to cause infection and clinical signs. Nonpilated forms do not cause infections. Moraxella bovis has some factors associated with fibroblasts, neutrophils and collagenase release from epithelial cells. One of these factors are hydrolytic enzymes which have the ability to degrade lipids, matrix proteins, mucopolysaccharides may cause corneal ulcerations. There are also necrotizing and cytotoxic factors released by bacteria, that exterminates corneal epithelial cells. Moraxella bovis has ability to produce hemolysin and it is essential virulence factor of bacteria. Nonhemolytic strains are not so capable to cause IBK. The source of hemolytic isolates can be recovered when there is enough UV radiation (Brown et al., 1998). Clinical signs The clinical occurrence, stability of infection, animal condition and rate of progression of the
CORPUS CALLOSUM – The large bundle of nerve fibres connecting the left and right hemispheres of the brain. CORTISOL – A hormone* produced in the adrenal cortex*. In man, it is produced in greatest amounts early in the morning to prepare the body for daily activities; implicated in the body response to stress. CYTOPLASM – The contents of the cell, a gelly-like substance made of water and proteins*, in which all intracellular organelles* are suspended. CYTOTOXIC – Cell-killing DENDRITE - A tree-like extension of the neurone* cell body. It receives information from other neurones through their axon terminals. DENDRITIC SPINES – Tiny formations on the surface of dendrites, which increase neuronal surface and the capacity to form synapses with adjacent neurones. The number of dendritic spines may change depending on neuronal activity. This is a link between structure and function, essential for neuroplasticity.
low as 30 ppm. Formaldehyde as a gas is highly reactive and is absorbed quickly at the point of contact. It is rapidly metabolised and is also produced by endogenous metabolism. Exposure to high concentrations (up to 15 ppm in rats) does not result in increased blood concentrations. Repeated formaldehyde exposure caused toxic effects only in the tissues of direct contact after inhalation, oral or dermal exposure characterised by local cytotoxic destruction and subsequent repair of the damage. The typical locations of lesions in experimental animals were the nose after inhalation, the stomach after oral administration and the skin after dermal application. Formaldehyde is weakly genotoxic and was able to induce gene mutations and chromosomal aberrations in mammalian cells. However, the genotoxic effects were limited to those cells, which are in direct contact with formaldehyde, and no effects could be observed in distant-site tissues
PEI condenses DNA into positively charged particles, which bind to anionic cell surface residues and are brought into the cell via endocytosis. Once inside the cell protonation of the amines results in an influx of counter-ions and a lowering of the osmotic potential. Osmotic swelling results and bursts the vesicle releasing the polymer-DNA complex (polyplex) into the cytoplasm. If the polyplex unpacks then the DNA is free to diffuse to the nucleus.] PEI is extremely cytotoxic, by two different mechanisms, the disruption of the cell membrane leading to necrotic cell death (immediate) and disruption of the mitochondrial membrane after internalisation leading to apoptosis (delayed). Esialgu tuleb vaadelda rakkud mikroskoobis ja hinnata nende seisukorra ja tiheduse. Rakud ei ole saastanud ega surnud. Rakkude tihedus on umbes 90%. Transfektsioonisegu ettevalmistamine: Kõigepealt tuleb lahjendada seerumvabas rakusöötmes (DMEM) eraldi epsides
radioisotope) to a tumor cell. b) Immune-mediated tumor cell killing can be carried out by the induction of phagocytosis, complement activation, antibody-dependent cellular cytotoxicity (ADCC), genetically modified T cells being targeted to the tumor by single-chain variable fragment (scFv), T cells being activated by antibody-mediated cross-presentation of antigen to dendritic cells, and inhibition of T cell inhibitory receptors, such as cytotoxic T lymphocyte- associated antigen 4 (CTLA4). c) Vascular and stromal cell ablation can be induced by vasculature receptor antagonism or ligand trapping (not shown), stromal cell inhibition, delivery of a toxin to stromal cells, and delivery of a toxin to the vasculature. Immunoteraapia 1. Madalate kostimulatoorsete signaalide võimendamine Antigeeni presenteerivate rakkude aktiivsuse suurendamine viies kasvajarakkudesse GM-CSF-i geeni- kasvaja tootes seda aktiveerib DC
a) Neurtofiilid e. polümorfonukleaarsed leukotsüüdid b) Basofiilid ja nuumrakud c) Eosinofiilid 2. Monotsüüdid ja makrofaagid. 3. Lümfotsüüdid: a) B-lümfotsüüdid ja plasmarakud b) T-lümfotsüüdid: *T-abistajad (ingl. k. T-helper) *T-allasurujad (ingl. k. T-supressor) *Tsütotoksilised T-lümfotsüüdid (ingl. k. cytotoxic T- lymphocytes) c) Loomulikud tapjarakud (ingl. k. natural killer cells) III. Megakarüotsüüdid ja trombotsüüdid Humoraalse ja rakulise immuunsuse mõiste. Toimemehhanismi järgi: Humoraalne immuunsus on spetsiifiline immuunsus, mis on vahendatud plasmarakkude poolt toodetud antikehade poolt. Siia kuuluvad ka komplemendi valgud, mis sünteesitakse maksas. Lümfokiinide (neid toodavad T-abistaja rakud) sekreteerimise abil saavutatud immuunsus.
cholesterol constitute the main lipid com- with fatty acid oxidation (Hotchkiss and pounds in meat that are susceptible to oxida- Parker 1990). Cholesterol oxides are consid- tion. Phospholipids are very susceptible to ered to be prejudicial for health due to their oxidation due to their high content in poly- role in arteriosclerotic plaque but can also be unsaturated fatty acids. Oxidation may be mutagenic, carcinogenic, and cytotoxic induced by light, metal ions (i.e., iron, copper, (Guardiola et al. 1996). Cholesterol oxides cobalt, manganese, etc.), or enzymes like may be formed when reheating chilled meat lipoxygenase. In the case of induction by or during the chilling storage of meat. No lipoxygenase, this enzyme needs activation cholesterol oxides were reported to be by a preformed hydroperoxide (Honikel detected after the heating of pork sausages 2009)
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