[1] Univ Aix Marseille 2, CNRS, INSERM, Ctr Immunol Marseille Luminy, F-13288 Marseille 9, France
[2] Minist Enseignement Super & Rech, Direct Gen Rech & Innovat, F-75231 Paris, France
[3] Univ Tours, CNRS, INRA, UMR PHysiol Reprod & Comportements, F-37380 Nouzilly, France
[4] Univ Strasbourg, Inst Clin Souris, Unite Transgenesis, IGBMC,INSERM,U964,UMR7104,TAAM,UPS44, F-67404 Illkirch Graffenstaden, France
[5] INRA, Biol Dev & Reprod UMR1198, F-78352 Jouy En Josas, France