Pathogénie des entérovirus : étude de la charge virale au cours de méningites et de la permissivité des cellules endothéliales microvasculaires cérébrales humaines

TL;DRAbstract

Human enteroviruses (EV) are RNA viruses characterized by a large genetic variability. They are associated with severe but rare neurological infections and frequent but self-Limiting meningitis. The processes of entry into the central nervous system (CNS), the level of EV viral load in the cerebrospinal fluid (CSF) and its possible relation to the intensity of the associated inflammatory process remain poorly understood. As several EV genotypes are related to common neurological disorders, common pathological processes may be involved. In the first part of this PhD thesis, we have prospectively investigated the EV viral load in the CSF of patients with meningitis using a RT-QPCR assay. Our results showed that significant differences between viral load levels and the age groups, the leukocytes count, the protein levels in the CSF, and with the EV genotype involved in the infection. We also explored the hypothesis that an infection of the blood brain barrier (BBB) could be a common pathw

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