Publications by authors named "Evelyne Chanut"
Objective: The present study aimed to show whether long-term moderate magnesium (Mg)-deficient (150 mg/kg) and Mg-supplemented (3200 mg/kg) diets (versus control diet: 800 mg/kg), modified the occurrence of cardiovascular risk induced by aging in the rat.
Methods: Cardiovascular and arterial functions were determined by a systemic hemodynamic study and by ex vivo measurements of vasoconstriction and endothelium dependent-vasorelaxation. Arterial wall structure was determined using pressure myograph chamber and histomorphometric methods.
Noda epileptic rats (NER) exhibit frequent spontaneous tonic-clonic convulsions which represent a valuable model of human epilepsy. If implication of brain neurotransmitters was largely reported, little is known about retina. However, it has been reported that human epilepsy syndrome varies not only with the location of seizure foci but also according to rhythmic patterns, for which retina has a major role in the transmission of external light-dark cycle information.
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- The study investigates the local production of serotonin in the rat retina, which is essential for melatonin synthesis.
- A specific enzyme called tryptophan hydroxylase, crucial for serotonin production, was identified and shown to be more active during the dark period.
- The findings suggest that the regulation of serotonin synthesis in the retina is vital for maintaining circadian rhythms.
Interindividual variations of clozapine clearance could be related to individual CYP1A2 activity. A population approach was used to investigate clozapine pharmacokinetics of multiple doses of clozapine in patients. Clozapine plasma concentrations were obtained in 23 patients from therapeutic drug monitoring (83 samples).
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