Octacalcium phosphate crystals directly stimulate expression of inducible nitric oxide synthase through p38 and JNK mitogen-activated protein kinases in articular chondrocytes
1.INSERM U606, Centre Viggo Petersen, H?pital Lariboisière,Paris,France;2.CIRIMAT, UMR CNRS 5085, ENSIACET,Toulouse,France;3.Université Paris 7,UFR Saint-Louis Lariboisière,Paris,France