J F Delabre

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In-utero exposure to tobacco smoke remains the highest risk factor for sudden infant death syndrome (SIDS). To alleviate the risks, nicotine replacement therapies are often prescribed to women who wish to quit smoking during their pregnancy. Cardiac arrhythmias is considered the final outcome leading to sudden death. Our goal in this study was to determine(More)
Recent transfection based studies demonstrated that cg2, a candidate gene for chloroquine resistance in Plasmodium falciparum, was not the resistance determinant. A further analysis of the initial 36 kb locus comprising the cg2 gene led to the discovery of another gene, pfcrt, which was absolutely associated with chloroquine resistance in forty parasite(More)
Polycomb-group proteins form multimeric protein complexes involved in transcriptional silencing. The Polycomb Repressive complex 2 (PRC2) contains the Suppressor of Zeste-12 protein (Suz12) and the histone methyltransferase Enhancer of Zeste protein-2 (Ezh2). This complex, catalyzing the di- and tri-methylation of histone H3 lysine 27, is essential for(More)
Apelin, a ligand of the G protein-coupled putative angiotensin II-like receptor (APJ-R), exerts strong vasodilating, cardiac inotropic and chronotropic actions. Its expression is highly up-regulated during heart failure. Apelin also increases cardiac conduction speed and excitability. While our knowledge of apelin cardiovascular actions is growing, our(More)
The correlation between the structure of two short sequences from the Plasmodium falciparum cg2 gene and parasite chloroquine susceptibility was evaluated in unselected clinical isolates obtained from travellers returning mainly from Africa to France in 1995 and 1996. As determined by an isotopic semi-microtest, 74 isolates were susceptible to chloroquine(More)
Voltage gated sodium channels (Na(V)s) are essential to propagate neuronal and cardiac electrical impulses. While the cardiac Na(+) current (I(Na)) is often all attributed to the cardiac isoform, Na(V)1.5, some evidence suggests that other Na(+) channel isoforms are also expressed in the heart ventricle. One way to distinguish Na(+) channels is by their(More)
A PCR-based technique using new fluorescent probes, called molecular beacons, was developed to detect the antifolate resistance-associated S108N point mutation in Plasmodium falciparum. One hundred African clinical isolates were tested by the new method in comparison with the PCR-restriction fragment length polymorphism method. This new molecular technique(More)
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