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Academic literature on the topic 'Tissus (Histologie) – Remodelage – Modèles animaux'
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Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Tissus (Histologie) – Remodelage – Modèles animaux.'
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Dissertations / Theses on the topic "Tissus (Histologie) – Remodelage – Modèles animaux"
Boa, Olivier. "Analyse in vivo du remodelage à long terme de la peau reconstruite endothélialisée et de son réseau vasculaire et étude in vitro de la pseudo-vasculogénèse lors du développement tumoral au sein de la peau reconstruite endothélialisée." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24705/24705.pdf.
Full textKouadjo, Kouame Ettienne. "Identification et quantification des gènes les plus exprimés, des gènes domestiques et des gènes spécifiques dans les tissus de mammifères." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24321/24321.pdf.
Full textBinet, Aurélien. "Analyse qualitative et quantitative du remodelage vasculaire utérin sur deux modèles murins d'insuffisance placentaire : modèle hyperthermie et modèle anémie ferriprive." Thesis, Tours, 2012. http://www.theses.fr/2012TOUR3301.
Full textThe intra-uterin growth restriction by placental vascular modifications affects 4% of the current pregnancies. lt’s still unknown installation mechanism has an important pediatric impact with a significant mortality. The association of intra-uterin growth restriction and placental vascular defects on an animal model is necessary to understand this mechanism and envisage a therapeutic study later. The aim of Ibis project is to establish at first an animal model which associates intra-uterin growth restriction and vascular placental modifications found in the human physiopathology For that purpose, two murine models were studied : hyperthermia at the end of the gestation and anaemia by iron deficiency before and during the gestation. A qualitative and quantitative study by ultrasonography (Doppler ultrasonography and contrast ultrasonography) associated with anatomopathological, immune-histochemical and spectroscopic studies of the placentas was realized. The optimization of the definitive animal model required at first anatomical marks development, allowing reproduction of the ultrasonographic measures as well as revelation of the ultrasound contrast product harmlessness. A global placental study allowed us to note structural modifications connected to the analyzed model. The study of these two animals models allowed us to establish a standard measuring protocol and show that ultrasonographic contrast product use had no effect on the gestation. The hyperthermia, as the iron deficiency, is responsible of an intra-uterin growth restriction with a positive effect dose related. The vascular placental modifications found in the hyperthermia model as hemorrhage and ischaemia areas do not appear as the result of vascular modifications but after-effects of this acute incident. The hemodynamical modifications registered within the framework of the iron deficiency are rather in favour of vascular modifications in agreement with the human pathology. The spectroscopic study does not show metabolomic modifications. These two models allow the installation of an intra-uterin growth restriction positively correlated with the protocol intensity. The anaemia model gets closer to the human pathology; its study remains b he continued with more consequent numbers
Kavaguchi, De Grandis Audrey. "La chèvre dans l’étude de la structure et des propriétés biomécaniques des tendons." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10319/document.
Full textTendons transmit muscles forces to bone and allow movement. It is a complexorganized tissue, composed by few cells and an extracellular matrix (collagen fibers, elasticfibers, and a ground substance. Fibers give to tendon its elastic characteristic and resistanceand ground substance its viscosity.Tendinopathy is a medical problem associated with sport, with a high morbidity whichaffects performance. It is an association of degeneration, pain, stiffness and local edema.Imaging can be used to quantify and qualify the changes in the morphology of the tendon.The tendon homeostasis and physiopathology remain poorly understood, but a change at theconnections of the fibrils, decreasing its strength.The purpose of this study is: development of surgical model of induced localtendinopathy in goats with clinical follow up transposable for humans and horses;development of a device to evaluate the mechanical properties of tendons, and demonstratethat the goat is a good experimental animal model for the study of tendinopathy. The studyhas been performed in 84 days with a clinical follow up, US imaging and tensile test.Goat is an ungulate easy to house and handle. The modified splitting allows easy andreproducible resection of some tendon fibers with an identifiable lesion in US imaging andclinical symptoms. The variability of mechanical behavior is not correlated with"macroscopic" aspects (weight, animal morphology or cross sectional area), thus reducing theeffective is difficult. However, our model appears in the state, can be used to evaluatetreatments for human and horse’s tendinopathy. The development of our model couldstrengthen its relevance
Abu-Helo, Alaa. "Implication de GASP-1 dans la modulation de l’activité des agonistes du récepteur bêta-2 adrénergique dans la fonction respiratoire." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAJ024/document.
Full textGASP1 have been shown to modulate the postendocytic sorting of different GPCRs.In order to better understand the role of GASP1 in regulating the activity and intracellular traffic king of GPCRs, we have focused our project on the functional consequences of the interaction between GASP1 and beta2-adrenergic receptor (B2AR). B2AR agonists are potent bronchodilators used in the treatment of asthma. With Dr. N. Frossard, we have shown that achronic treatment with a B2AR agonist induces the development of bronchial hyperresponsiveness in wild-type but not in KO GASP1 mice. Furthermore, we have shown that this phenotype is not related to a difference of B2AR receptor degradation between wild type and KO animals but correlates with an increase in collagen levels in the lungs of wild type mice that is not observed in GASP1KO animals. Altogether, our data suggest thatGASP1 is critically involved in these adaptations, which could be related to a GASP1-dependent modification of lung tissues