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Academic literature on the topic 'Maladie d’Alzheimer – Physiopathologie – Modèles animaux'
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Journal articles on the topic "Maladie d’Alzheimer – Physiopathologie – Modèles animaux"
Chabrier, P. E. "Stratégies thérapeutiques et maladie d’Alzheimer : que peuvent apporter les modèles animaux ?" Annales Pharmaceutiques Françaises 67, no. 2 (March 2009): 97–103. http://dx.doi.org/10.1016/j.pharma.2008.11.002.
Full textGary, Charlotte, Emmanuel Comoy, and Marc Dhenain. "Transmission des lésions amyloïdes de la maladie d’Alzheimer : apports des modèles animaux." Bulletin de l'Académie Vétérinaire de France, no. 1 (2017): 90. http://dx.doi.org/10.4267/2042/62330.
Full textDhenain, Marc. "Stratégie de recherche translationnelle sur la maladie d’Alzheimer : cibles, modèles animaux et biomarqueurs." Bulletin de l'Académie Nationale de Médecine 199, no. 6 (June 2015): 893–908. http://dx.doi.org/10.1016/s0001-4079(19)30893-3.
Full textSnene, H., H. El Kefi, A. Oumaya, and S. Gallali. "Hypothèses étiopathogéniques de la schizophrénie au décours d’un traumatisme crânien : revue de la littérature." European Psychiatry 28, S2 (November 2013): 32–33. http://dx.doi.org/10.1016/j.eurpsy.2013.09.080.
Full textDissertations / Theses on the topic "Maladie d’Alzheimer – Physiopathologie – Modèles animaux"
Leuxe, Charlotte. "Dérivés puriques et physiopathologie de la maladie d’Alzheimer." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS080.
Full textAlzheimer’s disease (AD), a progressive neurodegenerative disorder, appears to be associated with an increase in a particular form of β-amyloid deposits, intracellular Tau tangles and neuronal degeneration. Through many available transgenic AD models, knowledge about amyloid peptides and Tau protein continues to increase. However, in contrast to the genetic cases of AD, the etiology of sporadic AD cases remains unknown, making the establishment of an effective therapeutic strategy difficult.During the course of a study on the role of protein kinase involved in AD, our collaborators made an unexpected but very interesting observation. They identified a low molecular weight compound able to induce production of Aβ1-42 while the level of the much less toxic form Aβ1-40 remained constant. This selective induction of Aβ1-42 versus Aβ1-40 was observed in a cell line model. Therefore, the overall goal of the project thesis was based on the use of purine derivative (PD1) to understand the molecular mechanisms underlying the selective production of Aβ1-42. This would allow us to establish cellular assays and a chemically-induced animal AD model relevant to studies on the treatment and prevention of AD.The first part of this project allowed us to demonstrate in vitro that PD1, at high dose, repeatedly induced an increase in Aβ42/40 ratio in primary neurons and in neuronal hippocampal slice culture (OHSCs). Based on these facts, we analyzed the amyloid profile by focusing on APP metabolism and on glial cell activity. In contrary to our hypothesis, we highlighted whether PD1 exhibits potential anti-inflammatory properties (i.e. IL-1β) both in vitro and in vivo. The IL-1β pathway is more and more linked in the AD pathogen which leads us to consider that PD1 could have a dual effect : alzheimerogenic pharmacological tool or potential drug candidate for the treatment of AD ?
Ouellet, Mélissa. "La barrière hémato-encéphalique, les transporteurs ABC et la maladie d'Alzheimer." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25310/25310.pdf.
Full textAudrain, Mickaël. "Modélisation des phases précoces de la maladie d’Alzheimer par transfert de gènes." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB010/document.
Full textEvaluation of biomarkers and new innovative therapies for Alzheimer's disease (AD) suffers from a misunderstanding of early phases and lack of appropriate animal models close to the human physiopathology. Most available rodent models reproduce hallmarks of AD such as amyloid plaques and neurofibrillary tangles in a few months, while it takes many years to be achieved in human. My PhD work consisted to develop a new modelling strategy of AD early phases without major overexpression of transgenes. To do so, we used gene transfer of human APPSL and PS1M146L using viral vectors injection in the hippocampus of 8 weeks old mice and rats. We characterized these models and showed peptides production, such as betaCTF and abeta42 from APP processing, similar to what is observed in AD patients hippocampi. We also highlighted a hyperphosphorylation of Tau followed by a synaptic failure characterized by a decrease of PSD-95 and GLT-1 levels and by an increase of the tonic current mediated by glutamate. These changes have been finally associated with behavioral deficits. My results suggest that many events appear well before the formation of amyloid plaques or tangles and lead to the disruption of the synapse and the early onset of behavioral defects. Thus, we now have relevant tools to understand the early stages of AD, which will allow us to test new drug compounds on these models with a wide therapeutic window and discover new early biomarkers in plasma and cerebrospinal fluid
De, Calignon Alix. "Formation, toxicité et propagation des dégénérescences neurofibrillaires associées a la maladie d’Alzheimer." Paris 6, 2010. http://www.theses.fr/2010PA066270.
Full textPoitelon, Yannick. "Explorations de modèles animaux et cellulaires de la maladie de Charcot-Marie-Tooth de type AR-CMT2A." Aix-Marseille 2, 2009. http://www.theses.fr/2009AIX20710.
Full textBouteille, Bernard. "La trypanosomose africaine : des modèles expérimentaux à la physiopathologie et à l'approche thérapeutique de la maladie du sommeil." Lyon 1, 2003. http://www.theses.fr/2003LYO1T158.
Full textBézard, Erwan. "Approche dynamique de la physiopathologie de la maladie de Parkinson : étude des phénomènes compensatoires glutamatergiques dans un modèle évolutif chez la souris et le primate traités au MPTP." Bordeaux 2, 1998. http://www.theses.fr/1998BOR28597.
Full textBurbaud, Pierre. "Role du noyau sous-thalamique dans la physiopathologie de la maladie de Parkinson : étude d'un modèle expérimental chez le rat." Bordeaux 2, 1993. http://www.theses.fr/1993BOR23069.
Full textPhivilay, Alix. "Approches nanotechnologiques et nutraceutiques dans le traitement de la maladie d'Alzheimer." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25317/25317.pdf.
Full textChen, Yaohua. "Maladie d’Alzheimer : influence des microhémorragies, du sexe et de la modulation pharmacologique : données cliniques et expérimentales." Thesis, Lille 2, 2018. http://www.theses.fr/2018LIL2S043/document.
Full textThe physiopathology of Alzheimer disease (AD) is complex. Associated factors, in particular at the vascular level with damaged small blood vessels, might be involved. Cerebral microbleeds(CMB) in particular, could be one of the key contributing factor in AD. The cumulative evidence suggested a sex-specific patterns of disease. Furthermore, statins might be interesting by pleitropic effects. The objectives of this study was to evaluate the interaction between vascular and neurodegenerative lesions in Alzheimer, the influence of sex, and the pharmacological modulation by atorvastatin. This experimental model is designed in a multimodal approach to ensure its scientific relevance and to fit with clinical research. The third objective is indeed to confront theresulting experimental data to the clinical data of cohorts of Alzheimer patients. With an original model of CMB in female mice, we folio wed-up them from 1.5 months to 12 months postsurgery.For the clinical part, we studied patients with AD from a database of a tertiary memory center, with standardized framework. In a translational way, we observed a cognitive and a non cognitiveimpact of CMBs, differently in wild-type mice and in diseased mice. Different outcome was noticed for young female mice. And Atorvastatine offered a mild neuroprotection particularly in presymptomatic stage. Finally, the mechanism implied will be studied, in particular the inflammatory pathway, and will help to propose targeted pharmacological modulation in order to prevent or limit the impact of CMB on AD, by offering a personalized approach