8Castro RC Jr, Burns CL, McAdoo DJ, et al. Metalloproteinase increa- ses in the injured rat spinal cord[ J ]. Neuroreport,2000 ,16 :3551 - 3554.
9Fleming JC, Norenberg MD, Ramsay DA, et al. The celhdar inflam- matory response in human spinal cords after injury [ J ]. Brain ,2006, 129:3249 - 3269.
10Zhang H, Trivedi A, Lee JU, et al. Matrix metalloproteinase - 9 and stromal cell-eerived factor - 1 act synergistically to support migration of blood -Borne monocytes into the injured spinal cord[ J]. J Neu- rosci ,2011,44 : 15894 - 15903.
6Shang YY, Wei PR, Young SP,et al. Diverse cellular and apoptotic responses to variant shapes of UHMWPE particles in a murine model of inflammation[J]. Biomaterials,2002 ,23 :3535 - 3543.
7Stadelmann VA, Terrier A, Pioletti DP, et al. Microstimulation at the bone - implant interface upregulates osteoclast activation pathways [J]. Bone,2008,2:358 -364.
8Engsig MT, Chen Q J, Vu TH, et al. Matrix metalloproteinase 9 and vascular endothelial growth factor are essential for osteoclast recruitment into developing long bone[ J]. J Cell Biol,2000,4:879.
9Yuki K, Seiji G, Tatsuo K,et al. The effect of matrix metalloproteinase -9 on the differentiation into osteoclast cells on RAW264 cells [ J ]. Orthodontic Waves, 2007,66 : 122 - 128.
10Michiaki T,Seppo S, Hideo I,et al. Matrix metalloproteinases and tissue Inhibitors of metalloproteinases in loose artificial hip joints [J]. Clin Orthop Relat Res,1998 ,352 :35 -45.
5Li J,Liu G,Zheng Y,et al. The epidemiological survey of acute trau- matic spinal cord injury (ATSCI) of 2002 in Beijing municipality [ J ]. Spinal Cord,2011,7:777 - 782.
6Ning GZ, Yu TQ, Feng SQ, et al. Epidemiology of traumatic spinal cord injury in Tianjin, China[ J ]. Spinal Cord ,2011,3:386 - 390.
7Mountney A,Zahner MR,Lorenzini I, et al. Sialidase enhances recov- ery from spinal cord contusion injury [ J ]. Proc Natl Acad Sci USA, 2010,25:11561 - 11566.
8Li XF, Dai LY. Three - dimensional finite element model of the cervi- cal spinal cord:preliminary results of injury mechanism analysis [ J ]. Spine,2009,11:1140 - 1147.
9Ronsyn MW, Bememan ZN, Van Tendeloo VF,et al. Can cell therapy heal a spinal cord injury [ J ]. Spinal Cord,2008,8 : 532 - 539.
10Wang Y, Ye Z, Hu X,et al. Morphological changes of the neural cells after blast injury of spinal cord and neuroprotective effects of sodium beta - aescinate in rabbits[ J]. Injury ,2010,7:707 - 716.