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Academic literature on the topic 'Système nerveux somatosensoriel'
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Journal articles on the topic "Système nerveux somatosensoriel"
Cruz, E., Y. Hernández, M. Cruz, and J. M. Riol. "142. Topography of cortical response of the somatosensorial evoked potential of the posterior tibial nerve in healthy individuals." Clinical Neurophysiology 119, no. 9 (September 2008): e134. http://dx.doi.org/10.1016/j.clinph.2008.04.158.
Full textDissertations / Theses on the topic "Système nerveux somatosensoriel"
Arnoux, Isabelle. "Rôles et caractérisation de la microglie dans le développement du néocortex somatosensoriel de la souris." Phd thesis, Université René Descartes - Paris V, 2014. http://tel.archives-ouvertes.fr/tel-01070271.
Full textElzière, Lucie. "Etude de limplication de CaMKIα dans la régénération post-lésionnelle des neurones des ganglions rachidiens dorsaux." Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20164.
Full textPeripheral neurons have the capacity to regenerate after injury. This regeneration is allowed by thefavorable environment generated by the cellular components of the system and intrinsic aptitudes ofthe peripheral neurons to enter this process. These intrinsic abilities are manifested as cellular changes and molecular alterations including transcriptional and post-transcriptional modifications. Prior to my work, our laboratory carried out transcriptomic analysis on dorsal root ganglia after nerve injury. This allowed us to highlight a set of genes induced in response to peripheral nerve lesion. My thesis focused on one of them: CaMKIα (Calcium-Calmodulin-dependent kinase Iα). This kinase, not previously described in the adult peripheral nervous system, has been shown to be involved in central nervous system neuronal development. We have shown that CaMKIα is specifically induced following different kinds of mechanical lesions of the sciatic nerve (sections and acute or chronic crush) in a restricted, predominantly myelinated, population of injured neurons. The subcellular location of CaMKIα, both in the soma and nerve fibers suggest an axonal transit of the kinase to the injury site. The inhibition of the CaMKIα signaling pathway by a pharmacological compound or RNA silencing in vitro induced a significantly decreased velocity of neurite growth in injured neurons. Taken together, these results suggest that the induction of CaMKIα contributes to the post injury axonal regeneration of peripheral neurons
Derre, Alexandre. "Douleurs chroniques : implication et potentiel thérapeutique des membres de la famille FXYD." Thesis, Université de Montpellier (2022-….), 2022. http://www.theses.fr/2022UMONT006.
Full textChronic pain: Implication and therapeutic potential of FXYD protein members Chronic pain is a major public health problem affecting nearly 18% of the world’s population. It has deleterious consequences on patient’s quality of life and generates critical situations on the medical, sociological and economic levels. Current treatments are relatively limited, often ineffective and/or have deleterious side effects. In fact, better knowledge and an improved management of these pathologies is a major challenge for fundamental and clinical research.In this context, my thesis project is based on two different proteins, Fxyd2 and Fxyd7, which are members of a family of 7 proteins which contain a characteristic FXYD amino-acid motif. These two proteins have been described as modulators of the Na,K-ATPases’ activity, and are present in very specific somatosensory neurons of the dorsal root ganglia. The Na,K-ATPase pump is implicated in a large variety of physiological phenomena with a critical role in neuronal excitability by maintaining membrane potential thanks to the transfer of sodium (Na+) and potassium (K+). The maintenance of this ionic equilibrium is a crucial point since neuronal hyperexcitability has often been described in chronic pain.The first objective of my thesis was to develop a therapeutic strategy suitable for human therapy based on a very innovative gene extinction strategy. Thus, we showed that lipidomodified antisense oligonucleotides directed against the Fxyd2 gene and administered intrathecally induce a strong analgesic effect in neuropathic pain or in inflammatory pain models of rats, leading to normal mechanical sensitivity. Moreover, we showed that specific chemical modifications induce a better stability of our therapeutic molecule which prolongs its efficacy up to 10 days.In the second objective, my work was directed toward understanding the mechanisms of action of Fxyd2 in neuronal physiopathology in dorsal root ganglia, especially by identifying its protein partners using a proteomic approach. Thus, I showed by tandem mass spectrometry and by Proximity Ligation Assay that Fxyd2 could interact directly with proteins other than the ɑ1 subunit of the Na,K-ATPase in physiological conditions in mice. Indeed, Fxyd2 seems to interact also with the ɑ3 subunit of this pump and also with PMCA, GST and Prdx6.My third objective was to study the role of the Fxyd7 gene in the somatosensory system in normal and pathological conditions. In the first place, I used in situ hybridization to show its expression in specific neuronal subpopulations including peptidergic nociceptors, mechanoreceptors and in proprioceptive neurons in the mouse DRG. Then, using motor, equilibrium and mechanical sensitivity tests in Fxyd7 KO mice, I demonstrated the absence of major behavioral defects in these mice in normal conditions. In neuropathic pain conditions, using the SNL (Spinal Nerve Ligation) model, mechanical sensitivity tests did not reveal any influence of this mutation, neither in the acute nor chronic phases. However, in chronic inflammatory pain conditions induced by injection of CFA (Complete Freund’s Adjuvant), Fxyd7 null mutants failed to maintain pain responses. Thus Fxyd7 expression in DRG neurons appears to be specifically required for the maintenance of chronic inflammatory pain.Our results thus show a major therapeutic potential of two FXYD family members to treat chronic pain
Alves, da Motta Mauricy. "Contribution a l'etude des correlations existant entre les potentiels evoques somesthesiques et le debit sanguin cerebral." Toulouse 3, 1988. http://www.theses.fr/1988TOU30065.
Full textGioanni, Yves. "Organisation fonctionnelle du cortex moteur et epilepsie experimentale : implication des reflexes transcorticaux dans l'elaboration des decharges paroxystiques." Paris 7, 1987. http://www.theses.fr/1987PA077206.
Full textFORESTIER-BEN, HAMIDA CHRISTIANE. "Etude qualitative et quantitative de l'ontogenese post-natale du gyrus supra-sylvien du chat : correlations spatio-temporelles de differents indicateurs morphologiques de developpement." Paris 6, 1987. http://www.theses.fr/1987PA066167.
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