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Academic literature on the topic 'Myéline – Histologie'
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Journal articles on the topic "Myéline – Histologie"
Leyral, G., M. Chemsi, S. Cremades, et al. "Myélome non secrétant: histologie ou statistique?" La Revue de Médecine Interne 24 (December 2003): 474s—475s. http://dx.doi.org/10.1016/s0248-8663(03)80584-2.
Full textPetri, Svend. "ÉTUDE HISTOLOGIQUE D'UN CAS DE LEUCÉMIE MYÉLOIDE. AVEC DIFFÉRENCIATION DES DIVERSES VARIÉTÉS DE CELLULES PAR MESURAGE DES ANGLES DE SOMMET DES MITOSES." Acta Pathologica Microbiologica Scandinavica 1, no. 1 (2010): 37–55. http://dx.doi.org/10.1111/j.1600-0463.1924.tb05391.x.
Full textDissertations / Theses on the topic "Myéline – Histologie"
Bélanger, Erik. "Développement et utilisation d'une plateforme d'imagerie optique quantitative, multimodale et non linéaire de la moelle épinière chez les animaux vivants." Doctoral thesis, Université Laval, 2013. http://hdl.handle.net/20.500.11794/24192.
Full textOptical microscopy in living animals is a promising research tool for the evolution of neurobiology. Intravital imaging offers a live preview of how individual cells respond to the nervous system damages. Applying in vivo microscopy to a panoply of transgenic mice used with different animal models of neurodegenerative diseases promotes the understanding of the progress of pathologies and the comprehension of how therapies work. It is thus essential to promote the emergence of optical microscopy technologies in living animals because it is a strategy with great potential. Therefore, the project described in this doctoral thesis focuses on the development and use of a microscopy platform for quantitative, multimodal and nonlinear imaging of the spinal cord in living animals. First, we alleviated the polarization dependence of the coherent anti-Stokes Raman scattering (CARS) signal intensity. This strategy makes images more amenable to histological interpretation. With this technique, we studied the histology of myelin in the rat spinal cord. Secondly, we proposed a new image analysis procedure compatible with live animals imaging in order to achieve the histology of myelinated axons. We quantified the demyelination proximal, and remyelination distal to the crush site ex vivo and in vivo respectively. Third, we showed that CARS imaging of the spinal cord in living mice can be achieved with a microendoscope, and this while maintaining compatibility with the two-photon excitation fluorescence signal. Finally, we discuss a digital image processing strategy that reduces imaging artifacts related to movement of the animal. This technique allows the histological study of myelin and the quantification of the motility of microglial cells in their native environment. Ultimately, this thesis demonstrates that in vivo CARS microscopy progresses gradually towards a robust tool for research in neurobiology.
Lambert, Patricia. "Plasmocytome extra-médullaire de la sphère ORL : étude histologique, immunohistochimique et évolutive. A propos de 15 cas." Bordeaux 2, 2000. http://www.theses.fr/2000BOR23040.
Full textRaïs, Célia. "Analyse histologique et fonctionnelle du développement de précurseurs neuraux dérivés de cellules souches pluripotentes induites humaines greffés dans le cortex de la souris." Thesis, Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=http://theses-intra.upmc.fr/modules/resources/download/theses/2019SORUS333.pdf.
Full textNeurodevelopmental abnormalities underlie psychiatric diseases such as schizophrenia or autism, among others. However, the genetic heterogeneity of human beings makes it difficult to establish a link between a given genome and development programs that can lead to a disease. To address this problem, induced pluripotent stem cells (iPSCs) are an ethical and effective tool. They are able to develop and differentiate into functional neurons, using a mechanism similar to in vivo development. I studied a model enabling the integration and migration of neural precursors from human iPSCs into the mouse cortex. By labelling the cells grafted by immunofluorescence, I was able to show that they differentiate mainly into upper layer cortical neurons. I have studied the relationship between host and grafted cells , and show that mouse cells participate in the development of the graft, providing vascularization, and myelinating developing human neurons. Finally, I followed the functional development of human neurons using a cell line expressing a calcium indicator, GCaMP6f, and chronically observing injected mice under a 2-photon microscope. This activity changes over time, and reflects a prenatal human brain. This model offers new possibilities for in vivo modelling of human cortical development, particularly in the study of the impact of genetic alterations in the context of psychiatric diseases