[1] Inst Natl Rech Med, U547, F-59019 Lille, France
[2] Inst Pasteur, F-59019 Lille, France
[3] Univ Lille 2, F-59019 Lille, France
[4] Univ Oxford, Dept Pharmacol, Oxford OX1 3QT, England
[5] Washington Univ, Sch Med, St Louis, MO 63119 USA
[6] Univ Orleans, CNRS, UMR 6218, F-45071 Orleans, France
[7] Hop Necker Enfants Malad, Fac Med Rene Descartes Paris 5, CNRS, UMR 8147, F-75743 Paris, France