Med Sci (Paris)
Volume 36, Décembre 2020Les Cahiers de Myologie
|Page(s)||13 - 16|
|Published online||11 January 2021|
Développement et maintenance du système neuromusculaire
Development and maintenance of the neuromuscular system
Institut De Génomique Fonctionnelle De Lyon, ENS de Lyon, UMR CNRS 5242, Lyon, France
Diseases of the locomotor system are at the origin of disabilities with severe social and economic consequences. The study of the neuromuscular system development and maintenance has become a key challenge for the scientific community in order to design efficient therapies. My thesis project aims to elucidate the mechanisms at the origin of the communication between motoneuron axons and their muscle targets in order to understand how specific innervations are generated during development and maintained during adulthood. The first part of the project will address the understanding of the mechanisms controlling the specific muscle-axon recognition during development. I will perform live imaging and fixed tissues experiments to visualize and understand the development of myoblasts and motoneurons at the same time. Then, I will perform transcriptomic experiments to discover molecules playing a role in the specific axon-muscle recognition. The second part of the project is meant to elucidate the mechanism controlling the system maintenance in the adult. To answer this question I will study the function of morphological transcription factors in adulthood, which are known as transcription factors controlling the morphology of motoneurons during development. To conclude, this project will lead to novel biological concepts that will increase our fundamental knowledge on developmental biology. Understanding the mechanisms that specify the muscle innervation will allow to find efficient ways to tackle neuromuscular diseases.
© 2020 médecine/sciences – Inserm
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