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Experimental study of nano-hydroxyapatite/recombinant human bone morphogenetic protein-2 composite artificial bone. 2010

Weimin Zhu, and Daping Wang, and Xiaojun Zhang, and Wei Lu, and Yun Han, and Yangkan Ou, and Ke Zhou, and Wenzhe Fen, and Jianquan Liu, and Liangquan Peng, and Chunlei He, and Yanjun Zeng
Department of Sports Medicine, Shenzhen Second People's Hospital, Shenzhen, China.

OBJECTIVE To investigate the repairing ability of nano-hydroxyapatite/recombinant human bone morphogenetic protein-2 (Nano-HA/rhBMP-2) composite artificial bone for bone defect and to provide evidence for its application in clinical repair of bone defect. METHODS The animal model of bone defect was made on unilateral radius of 90 New Zealand white rabbits, which were randomly divided into experimental group (group A, bone defect was repaired with Nano-HA/rhBMP-2 composite artificial bone), control group (group B, bone defect was repaired with Nano-HA artificial bone), and blank group (group C, bone defect was unrepaired). The repairing ability for bone defect was evaluated by gross observation, X-ray examination, scanning electron microscope, radionuclide bone imaging and biomechanical analysis at 4(th), 8(th), and 12th week postoperatively. RESULTS Both Nano-HA/rhBMP-2 composite artificial bone and Nano-HA artificial bone could stimulate new bone formation, but the former could stimulate more new bone formation and had better repairing ability for bone defect than that of the latter, with statistically significant difference (P <0.05). CONCLUSIONS Nano-HA/rhBMP-2 composite artificial bone has good repairing ability for bone defect and it is hopeful to become an ideal repairing material for bone defect.

UI MeSH Term Description Entries
D008297 Male Males
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D011884 Radius The outer shorter of the two bones of the FOREARM, lying parallel to the ULNA and partially revolving around it. Radial Tuberosity,Radial Tuberosities,Tuberosities, Radial,Tuberosity, Radial
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D001861 Bone Regeneration Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone. Osteoconduction,Bone Regenerations,Regeneration, Bone,Regenerations, Bone
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001672 Biocompatible Materials Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function. Biomaterials,Bioartificial Materials,Hemocompatible Materials,Bioartificial Material,Biocompatible Material,Biomaterial,Hemocompatible Material,Material, Bioartificial,Material, Biocompatible,Material, Hemocompatible

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