Дисертації з теми "Neurosecretion"
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Pupier, Sandrine. "Role des cysteine string proteins dans la neurosecretion." Aix-Marseille 2, 1997. http://www.theses.fr/1997AIX20668.
Повний текст джерелаMoore, S. E. H. "Biochemical aspects of neurosecretion in the posterior pituitary gland." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375290.
Повний текст джерелаRichards, S. J. "Hypothalamic neurosecretion with special reference to the Brattleboro rat." Thesis, Open University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484408.
Повний текст джерелаLeoni, Chiara. "Molecular interactions between neurosecretion and neurite extension in PC12 subclones." Thesis, Open University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310217.
Повний текст джерелаDumpala, Bindya. "Design, construction, optimization, and characterization of a temperature control system for studying the effects of a rapid and reversible changes in temperature on neurosecretion." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1438916.
Повний текст джерелаGuldenaar, S. E. F. "Questions about the localization of oxytocin and vasopressin in gonads and brain : Some answers fron immunocytochemistry." Thesis, University of Bristol, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375018.
Повний текст джерелаHuang, Chunwei. "Influence of dopamine receptor activation on neurosecretion from perfused rat hypothalamo-neurohypophysial explants." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56990.
Повний текст джерелаExperiments were carried out on male Long-Evans rats. Drugs (noradrenaline, dopamine, D1 and D2 dopamine receptor agonists) were delivered both into the perfusion medium and directly over the SON. Fractions of effluent medium were collected from the area of the neurohypophysis and tested for hormone release using a selective radioimmunoassay. Noradrenaline (NA) in concentrations of 10$ sp{-5}$ to 10$ sp{-4}$ M stimulated AVP release from neural lobe. The $ alpha sb1$-adrenergic receptor antagonist, prazosin (50 nM in perfusion experiments; 1$ mu$M in local injection experiments) blocked the noradrenaline-stimulated release. Dopamine (10$ sp{-4}$ to 10$ sp{-3}$ M), D1 (SKF 38393, 0.5 mM) and D2 (QNP 0.5 mM) dopamine receptor agonists also increased the release of AVP. In the presence of prazosin, DA, QNP and SKF 38393 still evoked AVP release. Therefore, it is proposed that both noradrenaline and dopamine stimulate the release of AVP in this preparation; the responses to dopamine appear to be mediated by both D1 and D2 dopamine receptors, presumably located at the level of the cell somata/dendrites, possibly also on axon terminals in the neural lobe.
Wolf, Alexander. "A molecular toolbox to study the pleiotropic functions of phosphatidic acid in neurosecretion." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAJ033.
Повний текст джерелаNeurosecretion requires multiple proteins acting together to orchestrate transport, fusion and recycling of secretory vesicles. However, contribution of lipids, main components of cellular membranes, have been much less studied in these processes, primarily because of a lack of adequate tools. Hence, during my thesis, I implemented two novel approaches to study the pleiotropic functions of a peculiar signaling lipid: phosphatidic acid (PA). The use of chemically modified PA click-analogues enabled me to establish their dynamics as well as to characterize their interactome directly within neurosecretory cells. A second approach based on the optogenetic targeting of enzymes involved in the PA metabolism modulated its cellular levels with an unprecedented spatial and temporal resolution. This work allowed to unravel the non-redundant functions of various subcellular PA pools. Our novel molecular toolbox for PA, represents a breakthrough in lipid biology that will greatly improve our understanding of the roles of PA in the neurosecretory process
Cimino, Irène. "Study of new molecular factors regulating GnRH migration, axonal targeting and neurosecretion : insights into the acquisition of reproductive competence." Thesis, Lille 2, 2014. http://www.theses.fr/2014LIL2S044/document.
Повний текст джерелаDuring aging, oxidative stress occurs characterized by an imbalance between the production reactive oxygen species and antioxidant capacity. It’s well recognized that acute exercise induces oxidative stress which response may be affected by aging. Only few studies have focused on the response of oxidative stress parameters to an acute exercise in relation with aging and they were not made in humans. The first aim of this work was to investigate the response of oxidative stress parameters to acute exercise in young and older subjects. Our results showed that aging has no effects on oxidative stress parameters at rest. However, in response to an acute physical exercise, our results showed that aging is characterized by an antioxidant defenses deficiency and an increase in free radical damage markers. On the other hand, regular physical activity is considered as an effective way to reduce free radical attacks and enhance the antioxidant defense. These adaptations to regular physical activity are often related to the level of physical activity and this has been shown in young subjects. The second aim of this work was to study oxidative stress parameters in elderly subjects with different physical activity levels. Our results showed a positive correlation between physical activity level and antioxidant potential. However, physical activity at high level increases free radical damage in older adults. In view of changes in oxidative stress parameters with aging, adaptations of those to regular physical activity could also be affected by aging phenomena. The aim of the third study of this work was to investigate the effects of aging and physical activity level on oxidative stress parameters responses to an acute exercise. To do so, we compared these parameters in two young subjects groups (active and sedentary) and two older adults groups (active and sedentary) before and after an acute exercise. Our results showed that, benefits of regular physical activity on the oxidative parameters stress were more pronounced in younger age groups compared to older groups. On the other hand, the effects of aging on oxidative stress parameters in the active groups were lower than those noted in the sedentary groups
Scobie, David Roger. "Short term effects of stress hormones on cell division rate in wool follicles : a thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy." Title page, abstract and contents only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phs421.pdf.
Повний текст джерелаPierre, Karin. "La glycoprotéine F3, une molécule d'adhérence de la superfamille des immunoglobulines : son expression par les neurones magnocellulaires hypothalamiques et sa régulation par l'activité neuronale." Bordeaux 2, 1998. http://www.theses.fr/1998BOR28574.
Повний текст джерелаLefkowitz, Jason J. "Role of Internal Calcium Stores in Exocytosis and Neurotransmission: A Dissertation." eScholarship@UMMS, 2010. https://escholarship.umassmed.edu/gsbs_diss/467.
Повний текст джерелаDesrues, Laurence. "Contribution à l'étude des mécanismes de couplage stimulus-réponse impliqués dans le contrôle de la sécrétion d'α-MSH par les cellules mélanotropes de l'hypophyse des amphibiens : mode d'action de la TRH, de la dopamine et du GABA". Rouen, 1993. http://www.theses.fr/1993ROUES050.
Повний текст джерелаDamerval, Marc. "Identification et rôle physiologique des inclusions contenues dans le système nerveux central de la moule Mytilus edulis et de la crépidule Crepidula fornicata." Caen, 1985. http://www.theses.fr/1985CAEN2004.
Повний текст джерелаMathieu, Michel. "Etude experimentale des controles exerces par les ganglions nerveux sur la gametogenese et les processus metaboliques associes chez la moule mytilus edulis (mollusque lamellibranche)." Caen, 1987. http://www.theses.fr/1987CAEN2011.
Повний текст джерелаYon, Laurent. "Le Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) : un neurotransmetteur dans le système nerveux central et une neurohormone au niveau hypophysaire et surrénalien." Rouen, 1993. http://www.theses.fr/1993ROUES031.
Повний текст джерелаCristóvão, Armando Jorge Amaral Matias. "Development of retina cells in culture : ionotropic glutamate receptors and neurosecretion." Doctoral thesis, 2002. http://hdl.handle.net/10316/10175.
Повний текст джерелаAs células da retina do embrião de pinto em cultura foram utilizadas neste estudo com o objectivo de caracterizar as alterações na actividade e na expressão de diferentes subunidades dos receptores ionotrópicos do glutamato durante o desenvolvimento. Estudámos também a importância que a activação dos receptores ionotrópicos do glutamato tem na libertação de aminoácidos neurotransmissores, em retinosferóides e usámos culturas de células da retina do embrião de pinto em monocamada, onde seguimos a expressão da subunidade GluR4 do receptor do tipo AMPA, durante o desenvolvimento, e a possível contribuição destes receptores para a entrada de Ca2+ nas células após a sua activação. Observamos que a expressão das subunidades dos receptores de NMDA e AMPA/cainato nestas culturas primárias mimetiza a expressão das mesmas subunidades na retina de pinto em desenvolvimento no embrião. Também determinamos as alterações no conteúdo total e a libertação de vários aminoácidos após a estimulação dos receptores ionotrópicos do glutamato, em células da retina cultivadas na forma de retinosferóides. Os resultados obtidos indicam que os aminoácidos poderão actuar como moléculas sinalizadoras durante o desenvolvimento, provavelmente estimulando o comprimento e a densidade das neurites, podendo ainda estar envolvidos na propagação de ondas eléctricas nas células da retina, mesmo para aquelas células que não possuem "gap-junctions" nos retinosferóides de pinto, durante o desenvolvimentoin vitro. Determinamos também se os receptores do tipo AMPA, em células de retina do embrião de pinto em culturas de monocamada, podem contribuir para uma entrada de Ca2+ nas células e se estes dados se relacionam com a com a expressão da subunidade GluR4 dos receptores AMPA. Os resultados obtidos mostraram que a localização de GluR4 se correlaciona muito bem com a entrada de Co2+, uma vez que a área celular mais marcada com Co2+ é a região perinuclear, que é também a região que marca duma forma mais intensa para GluR4, só mais tarde, e com um estímulo muito forte, as células reagem duma forma positiva.
We used chick retinas and chick embryo retina cells cultured as retinospheroids to characterise the changes in the activity and expression of ionotropic glutamate receptor subunits during development. We also studied the influence of ionotropic glutamate receptor activation on the release of amino acid neurotransmitters in retinospheroids, and used chick retina cells cultured as monolayers to follow the expression of GluR4 a-amino-3-hydroxy-5-methylisoxazole-4-propionate (AMPA) receptor subunit during development and the possible contribution of AMPA receptors for Ca2+ entry in the cells upon activation. We found that the NMDA and AMPA/kainate receptor subunits expression in the primary cultures mimics their expression in the developing chick retina. We have also determined the total content and the release of various amino acids stimulated by glutamate ionotropic glutamate receptor agonists in retinospheroids. We found, that amino acids may act as signalling molecules during development, by stimulating the length and density of neurites, and that they may be involved in electric wave propagation in retina cells, during developmentin vitro The functionality of AMPA receptors in chick embryo retina cells during development in vitro, was determined by using Co2+ uptake, and these data were correlated with the expression of the AMPA receptor subunit GluR4. We showed that the localisation of GluR4 is well correlated with the Co2+ entry, since the most stained area of the cell with Co2+ is the perinuclear area, which is also the most labelled with GluR4 and only later on, and with strong stimuli, the cells became Co2+ positive at the neuritis.
Scobie, David Roger. "Short term effects of stress hormones on cell division rate in wool follicles / by David Roger Scobie." Thesis, 1992. http://hdl.handle.net/2440/21634.
Повний текст джерелаix, 207 leaves : ill. (some col.) ; 30 cm.
A local intradermal technique using colchicine to estimate cell division rate in wool follicles is refined and used throughout the thesis. Statistical methods used to analyse data obtained with this method are described and discussed. The implications of the findings are of great significance to research into the influence of physiological changes on wool production, and suggest experiments should be conducted under controlled environmental conditions, with a minimum of stress imposed on the animals.
Thesis (Ph.D.)--University of Adelaide, Dept. of Animal Sciences, 1992
三橋, 淳., 宏誌 片岡, 健雄 久保, 俊二 名取, 勝. 桜井, 泰生 相薗, 敏夫 市川 та ін. "昆虫の変態・休眠の分子機構". 2001. http://hdl.handle.net/2237/13096.
Повний текст джерела