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© Fabrice Chrétien with Ultrapole, colorized by Jean-Marc Panaud
Cellule souche (en jaune) de muscle squelettique partiellement recouverte par la membrane basale, migrant sur une fibre musculaire (en bleu).
Starting Date
23
Nov 2015
Ending Date
02
Nov 2015
Status
Ongoing
Members
9
Structures
3

About

Sepsis associated encephalopathy (SAE), a major complication of sepsis is characterized by impairment of consciousness which ranges from delirium to coma and is associated to electroencephalogram (EEG) pattern alterations, increased mortality as well as long-term cognitive impairment or psychological disorders including depression, anxiety and post-traumatic stress disorders. The pathophysiology of SAE remains unclear; three major processes seem to be involved including diffuse neuroinflammation, alterations of the blood-brain barrier (BBB) and excitotoxicity. Pathological examination of the brain of patients having died of sepsis consistently show evidence of increased apoptosis in specific structures (i.e. amygdala, nucleus tractus solitarii, locus coeruleus) activated in response to stress during sepsis  inducing structural changes and dysfunction

Fused-1

In this project, our aim is the study of astroglial response in specific structures such as the hippocampus, the amygdala or the other neurovegetative centers with behavioral study, computational neuroscience, electrocorticographic recordings, imaging and automated image analysis on specific structures to study specific phenotypic alterations related to post sepsis cognitive improvement. Finally, we will validate the hypothesis on human brain samples to support the evaluation of neuroprotective drugs in preclinical studies.

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Fundings